diff --git a/app/assets/javascripts/discourse/app/components/d-modal.hbs b/app/assets/javascripts/discourse/app/components/d-modal.hbs
index 815c8027b06..2df4de724f4 100644
--- a/app/assets/javascripts/discourse/app/components/d-modal.hbs
+++ b/app/assets/javascripts/discourse/app/components/d-modal.hbs
@@ -7,11 +7,7 @@
   @append={{true}}
 >
   <this.dynamicElement
-    class={{concat-class
-      "modal"
-      "d-modal"
-      (if @inline "inline-modal" "fixed-modal")
-    }}
+    class={{concat-class "modal" "d-modal" (if @inline "-inline")}}
     data-keyboard="false"
     aria-modal="true"
     role="dialog"
@@ -21,87 +17,87 @@
     {{will-destroy this.cleanupListeners}}
     {{trap-tab preventScroll=false}}
   >
-    <div class="modal-outer-container">
-      <div class="modal-middle-container">
-        <div class="modal-inner-container">
-          {{yield to="aboveHeader"}}
-          {{#if
-            (and
-              (not @hideHeader)
-              (or
-                this.dismissable
-                @title
-                (has-block "headerBelowTitle")
-                (has-block "headerAboveTitle")
-              )
+    <div class="d-modal__wrapper">
+      <div class="d-modal__container">
+        {{yield to="aboveHeader"}}
+
+        {{#if
+          (and
+            (not @hideHeader)
+            (or
+              this.dismissable
+              @title
+              (has-block "headerBelowTitle")
+              (has-block "headerAboveTitle")
             )
-          }}
-            <div class={{concat-class "modal-header" @headerClass}}>
-              {{#if this.dismissable}}
-                <DButton
-                  @icon="times"
-                  @action={{this.handleCloseButton}}
-                  @title="modal.close"
-                  class="btn-flat modal-close close"
-                />
-              {{/if}}
+          )
+        }}
+          <div class={{concat-class "d-modal__header" @headerClass}}>
 
-              {{yield to="headerAboveTitle"}}
+            {{yield to="headerAboveTitle"}}
 
-              <div class="modal-title-wrapper">
-                {{#if @title}}
-                  <div class="title">
-                    <h3 id="discourse-modal-title">{{@title}}</h3>
+            {{#if @title}}
+              <div class="d-modal__title">
+                <h3
+                  id="discourse-modal-title"
+                  class="d-modal__title-text"
+                >{{@title}}</h3>
 
-                    {{#if @subtitle}}
-                      <p class="subtitle">{{@subtitle}}</p>
-                    {{/if}}
-                  </div>
+                {{#if @subtitle}}
+                  <p class="d-modal__subtitle-text">{{@subtitle}}</p>
                 {{/if}}
 
                 {{yield to="belowModalTitle"}}
               </div>
+            {{/if}}
+            {{yield to="headerBelowTitle"}}
 
-              {{yield to="headerBelowTitle"}}
-            </div>
-          {{/if}}
-
-          {{yield to="belowHeader"}}
-
-          {{this.validateFlashType @flashType}}
-          {{#if @flash}}
-            <div
-              id="modal-alert"
-              role="alert"
-              class={{concat-class
-                "alert"
-                (if @flashType (concat "alert-" @flashType))
-              }}
-            >
-              {{~@flash~}}
-            </div>
-          {{/if}}
-
-          <div class={{concat-class "modal-body" @bodyClass}} tabindex="-1">
-            {{#if (has-block "body")}}
-              {{yield to="body"}}
-            {{else}}
-              {{yield}}
+            {{#if this.dismissable}}
+              <DButton
+                @icon="times"
+                @action={{this.handleCloseButton}}
+                @title="modal.close"
+                class="btn-flat modal-close"
+              />
             {{/if}}
           </div>
+        {{/if}}
 
-          {{#if (has-block "footer")}}
-            <div class="modal-footer">
-              {{yield to="footer"}}
-            </div>
+        {{yield to="belowHeader"}}
+
+        {{this.validateFlashType @flashType}}
+        {{#if @flash}}
+          <div
+            id="modal-alert"
+            role="alert"
+            class={{concat-class
+              "alert"
+              (if @flashType (concat "alert-" @flashType))
+            }}
+          >
+            {{~@flash~}}
+          </div>
+        {{/if}}
+
+        <div class={{concat-class "d-modal__body" @bodyClass}} tabindex="-1">
+          {{#if (has-block "body")}}
+            {{yield to="body"}}
+          {{else}}
+            {{yield}}
           {{/if}}
-
-          {{yield to="belowFooter"}}
         </div>
+
+        {{#if (has-block "footer")}}
+          <div class="d-modal__footer">
+            {{yield to="footer"}}
+          </div>
+        {{/if}}
+
+        {{yield to="belowFooter"}}
       </div>
     </div>
   </this.dynamicElement>
   {{#unless @inline}}
-    <div class="modal-backdrop" {{on "click" this.handleWrapperClick}}></div>
+    <div class="d-modal__backdrop" {{on "click" this.handleWrapperClick}}></div>
   {{/unless}}
 </ConditionalInElement>
\ No newline at end of file
diff --git a/app/assets/javascripts/discourse/app/components/d-modal.js b/app/assets/javascripts/discourse/app/components/d-modal.js
index 5f0791bf25a..dfcdfcc00f6 100644
--- a/app/assets/javascripts/discourse/app/components/d-modal.js
+++ b/app/assets/javascripts/discourse/app/components/d-modal.js
@@ -85,7 +85,9 @@ export default class DModal extends Component {
     }
 
     if (event.key === "Enter" && this.shouldTriggerClickOnEnter(event)) {
-      this.wrapperElement.querySelector(".modal-footer .btn-primary")?.click();
+      this.wrapperElement
+        .querySelector(".d-modal__footer .btn-primary")
+        ?.click();
       event.preventDefault();
     }
   }
diff --git a/app/assets/javascripts/discourse/app/components/modal/create-account.hbs b/app/assets/javascripts/discourse/app/components/modal/create-account.hbs
index 1096804c6f2..af3ab461a48 100644
--- a/app/assets/javascripts/discourse/app/components/modal/create-account.hbs
+++ b/app/assets/javascripts/discourse/app/components/modal/create-account.hbs
@@ -1,4 +1,5 @@
 <DModal
+  class="create-account -large"
   {{on "keydown" this.actionOnEnter}}
   {{on "click" this.selectKitFocus}}
   @closeModal={{@closeModal}}
@@ -6,7 +7,6 @@
   @flash={{this.flash}}
   @flashType="error"
   aria-labelledby="create-account-title"
-  class="create-account"
 >
   <:body>
     <PluginOutlet
@@ -16,7 +16,7 @@
 
     <div
       class={{concat-class
-        "create-account-form"
+        (if this.site.desktopView "login-left-side")
         this.model.authOptions.auth_provider
       }}
     >
@@ -31,244 +31,243 @@
       </div>
 
       {{#if this.showCreateForm}}
-        <div class="login-form">
-          <form>
-            {{#if this.associateHtml}}
-              <div class="input-group create-account-associate-link">
-                <span>{{html-safe this.associateHtml}}</span>
-              </div>
-            {{/if}}
-            <div class="input-group create-account-email">
-              <Input
-                {{on "focusout" this.checkEmailAvailability}}
-                @type="email"
-                @value={{this.model.accountEmail}}
-                disabled={{this.emailDisabled}}
-                autofocus="autofocus"
-                aria-describedby="account-email-validation"
-                aria-invalid={{this.emailValidation.failed}}
-                name="email"
-                id="new-account-email"
-                class={{value-entered this.model.accountEmail}}
-              />
-              <label class="alt-placeholder" for="new-account-email">
-                {{i18n "user.email.title"}}
-                {{~#if this.userFields~}}
-                  <span class="required">*</span>
-                {{/if}}
-              </label>
-              <InputTip
-                @validation={{this.emailValidation}}
-                @id="account-email-validation"
-              />
-              <span class="more-info">{{i18n "user.email.instructions"}}</span>
+        <form id="login-form">
+          {{#if this.associateHtml}}
+            <div class="input-group create-account-associate-link">
+              <span>{{html-safe this.associateHtml}}</span>
             </div>
-
-            <div class="input-group create-account__username">
-              <Input
-                @value={{this.model.accountUsername}}
-                disabled={{this.usernameDisabled}}
-                maxlength={{this.maxUsernameLength}}
-                aria-describedby="username-validation"
-                aria-invalid={{this.usernameValidation.failed}}
-                autocomplete="off"
-                name="username"
-                id="new-account-username"
-                class={{value-entered this.model.accountUsername}}
-              />
-              <label class="alt-placeholder" for="new-account-username">
-                {{i18n "user.username.title"}}
-                {{~#if this.userFields~}}
-                  <span class="required">*</span>
-                {{/if}}
-              </label>
-
-              <InputTip
-                @validation={{this.usernameValidation}}
-                @id="username-validation"
-              />
-              <span class="more-info">
-                {{i18n "user.username.instructions"}}
-              </span>
-            </div>
-
-            <div class="input-group create-account__fullname">
-              {{#if this.fullnameRequired}}
-                <TextField
-                  @disabled={{this.nameDisabled}}
-                  @value={{this.model.accountName}}
-                  @id="new-account-name"
-                  @class={{value-entered this.model.accountName}}
-                  aria-describedby="fullname-validation"
-                  aria-invalid={{this.nameValidation.failed}}
-                />
-                <label class="alt-placeholder" for="new-account-name">
-                  {{i18n "user.name.title"}}
-                  {{#if this.siteSettings.full_name_required}}
-                    {{~#if this.userFields~}}
-                      <span class="required">*</span>
-                    {{/if}}
-                  {{/if}}
-                </label>
-
-                <InputTip
-                  @validation={{this.nameValidation}}
-                  @id="fullname-validation"
-                />
-                <span class="more-info">{{this.nameInstructions}}</span>
-              {{/if}}
-            </div>
-
-            <PluginOutlet
-              @name="create-account-before-password"
-              @outletArgs={{hash
-                accountName=this.model.accountName
-                accountUsername=this.model.accountUsername
-                accountPassword=this.accountPassword
-                userFields=this.userFields
-                authOptions=this.model.authOptions
-              }}
+          {{/if}}
+          <div class="input-group create-account-email">
+            <Input
+              {{on "focusout" this.checkEmailAvailability}}
+              @type="email"
+              @value={{this.model.accountEmail}}
+              disabled={{this.emailDisabled}}
+              autofocus="autofocus"
+              aria-describedby="account-email-validation"
+              aria-invalid={{this.emailValidation.failed}}
+              name="email"
+              id="new-account-email"
+              class={{value-entered this.model.accountEmail}}
             />
+            <label class="alt-placeholder" for="new-account-email">
+              {{i18n "user.email.title"}}
+              {{~#if this.userFields~}}
+                <span class="required">*</span>
+              {{/if}}
+            </label>
+            <InputTip
+              @validation={{this.emailValidation}}
+              @id="account-email-validation"
+            />
+            <span class="more-info">{{i18n "user.email.instructions"}}</span>
+          </div>
 
-            <div class="input-group create-account__password">
-              {{#if this.passwordRequired}}
-                <PasswordField
-                  @value={{this.accountPassword}}
-                  @class={{value-entered this.accountPassword}}
-                  @type={{if this.maskPassword "password" "text"}}
-                  @autocomplete="current-password"
-                  @capsLockOn={{this.capsLockOn}}
-                  aria-describedby="password-validation"
-                  aria-invalid={{this.passwordValidation.failed}}
-                  id="new-account-password"
-                />
-                <label class="alt-placeholder" for="new-account-password">
-                  {{i18n "user.password.title"}}
+          <div class="input-group create-account__username">
+            <Input
+              @value={{this.model.accountUsername}}
+              disabled={{this.usernameDisabled}}
+              maxlength={{this.maxUsernameLength}}
+              aria-describedby="username-validation"
+              aria-invalid={{this.usernameValidation.failed}}
+              autocomplete="off"
+              name="username"
+              id="new-account-username"
+              class={{value-entered this.model.accountUsername}}
+            />
+            <label class="alt-placeholder" for="new-account-username">
+              {{i18n "user.username.title"}}
+              {{~#if this.userFields~}}
+                <span class="required">*</span>
+              {{/if}}
+            </label>
+
+            <InputTip
+              @validation={{this.usernameValidation}}
+              @id="username-validation"
+            />
+            <span class="more-info">
+              {{i18n "user.username.instructions"}}
+            </span>
+          </div>
+
+          <div class="input-group create-account__fullname">
+            {{#if this.fullnameRequired}}
+              <TextField
+                @disabled={{this.nameDisabled}}
+                @value={{this.model.accountName}}
+                @id="new-account-name"
+                @class={{value-entered this.model.accountName}}
+                aria-describedby="fullname-validation"
+                aria-invalid={{this.nameValidation.failed}}
+              />
+              <label class="alt-placeholder" for="new-account-name">
+                {{i18n "user.name.title"}}
+                {{#if this.siteSettings.full_name_required}}
                   {{~#if this.userFields~}}
                     <span class="required">*</span>
                   {{/if}}
-                </label>
+                {{/if}}
+              </label>
 
-                <div class="create-account__password-info">
-                  <div class="create-account__password-tip-validation">
-                    <InputTip
-                      @validation={{this.passwordValidation}}
-                      @id="password-validation"
-                    />
-                    <span class="more-info">{{this.passwordInstructions}}</span>
-                    <div
-                      class={{concat-class
-                        "caps-lock-warning"
-                        (unless this.capsLockOn "hidden")
-                      }}
-                    >
-                      {{d-icon "exclamation-triangle"}}
-                      {{i18n "login.caps_lock_warning"}}
-                    </div>
-                  </div>
-                  <TogglePasswordMask
-                    @maskPassword={{this.maskPassword}}
-                    @togglePasswordMask={{this.togglePasswordMask}}
+              <InputTip
+                @validation={{this.nameValidation}}
+                @id="fullname-validation"
+              />
+              <span class="more-info">{{this.nameInstructions}}</span>
+            {{/if}}
+          </div>
+
+          <PluginOutlet
+            @name="create-account-before-password"
+            @outletArgs={{hash
+              accountName=this.model.accountName
+              accountUsername=this.model.accountUsername
+              accountPassword=this.accountPassword
+              userFields=this.userFields
+              authOptions=this.model.authOptions
+            }}
+          />
+
+          <div class="input-group create-account__password">
+            {{#if this.passwordRequired}}
+              <PasswordField
+                @value={{this.accountPassword}}
+                @class={{value-entered this.accountPassword}}
+                @type={{if this.maskPassword "password" "text"}}
+                @autocomplete="current-password"
+                @capsLockOn={{this.capsLockOn}}
+                aria-describedby="password-validation"
+                aria-invalid={{this.passwordValidation.failed}}
+                id="new-account-password"
+              />
+              <label class="alt-placeholder" for="new-account-password">
+                {{i18n "user.password.title"}}
+                {{~#if this.userFields~}}
+                  <span class="required">*</span>
+                {{/if}}
+              </label>
+
+              <div class="create-account__password-info">
+                <div class="create-account__password-tip-validation">
+                  <InputTip
+                    @validation={{this.passwordValidation}}
+                    @id="password-validation"
                   />
+                  <span class="more-info">{{this.passwordInstructions}}</span>
+                  <div
+                    class={{concat-class
+                      "caps-lock-warning"
+                      (unless this.capsLockOn "hidden")
+                    }}
+                  >
+                    {{d-icon "exclamation-triangle"}}
+                    {{i18n "login.caps_lock_warning"}}
+                  </div>
                 </div>
-              {{/if}}
-
-              <div class="password-confirmation">
-                <label for="new-account-password-confirmation">
-                  {{i18n "user.password_confirmation.title"}}
-                </label>
-                <HoneypotInput
-                  @id="new-account-confirmation"
-                  @autocomplete="new-password"
-                  @value={{this.accountHoneypot}}
+                <TogglePasswordMask
+                  @maskPassword={{this.maskPassword}}
+                  @togglePasswordMask={{this.togglePasswordMask}}
                 />
-                <Input
-                  @value={{this.accountChallenge}}
-                  id="new-account-challenge"
-                />
-              </div>
-            </div>
-
-            {{#if this.requireInviteCode}}
-              <div class="input-group create-account__invite-code">
-                <Input
-                  @value={{this.inviteCode}}
-                  id="inviteCode"
-                  class={{value-entered this.inviteCode}}
-                />
-                <label class="alt-placeholder" for="invite-code">
-                  {{i18n "user.invite_code.title"}}
-                </label>
-                <span class="more-info">
-                  {{i18n "user.invite_code.instructions"}}
-                </span>
               </div>
             {{/if}}
 
-            <PluginOutlet
-              @name="create-account-after-password"
-              @outletArgs={{hash
-                accountName=this.model.accountName
-                accountUsername=this.model.accountUsername
-                accountPassword=this.accountPassword
-                userFields=this.userFields
-              }}
-            />
+            <div class="password-confirmation">
+              <label for="new-account-password-confirmation">
+                {{i18n "user.password_confirmation.title"}}
+              </label>
+              <HoneypotInput
+                @id="new-account-confirmation"
+                @autocomplete="new-password"
+                @value={{this.accountHoneypot}}
+              />
+              <Input
+                @value={{this.accountChallenge}}
+                id="new-account-challenge"
+              />
+            </div>
+          </div>
 
-            {{#if this.userFields}}
-              <div class="user-fields">
-                {{#each this.userFields as |f|}}
-                  <div class="input-group">
-                    {{! adding the value-entered class here to
+          {{#if this.requireInviteCode}}
+            <div class="input-group create-account__invite-code">
+              <Input
+                @value={{this.inviteCode}}
+                id="inviteCode"
+                class={{value-entered this.inviteCode}}
+              />
+              <label class="alt-placeholder" for="invite-code">
+                {{i18n "user.invite_code.title"}}
+              </label>
+              <span class="more-info">
+                {{i18n "user.invite_code.instructions"}}
+              </span>
+            </div>
+          {{/if}}
+
+          <PluginOutlet
+            @name="create-account-after-password"
+            @outletArgs={{hash
+              accountName=this.model.accountName
+              accountUsername=this.model.accountUsername
+              accountPassword=this.accountPassword
+              userFields=this.userFields
+            }}
+          />
+
+          {{#if this.userFields}}
+            <div class="user-fields">
+              {{#each this.userFields as |f|}}
+                <div class="input-group">
+                  {{! adding the value-entered class here to
                       be able to detect if the user field has a value
                       entered }}
-                    <UserField
-                      {{on "focus" this.userInputFocus}}
-                      {{on "focusout" this.userInputFocusOut}}
-                      @field={{f.field}}
-                      @value={{f.value}}
-                      @class={{value-entered f.value}}
-                      @validation={{f.validation}}
-                    />
-                  </div>
-                {{/each}}
-              </div>
-            {{/if}}
+                  <UserField
+                    {{on "focus" this.userInputFocus}}
+                    {{on "focusout" this.userInputFocusOut}}
+                    @field={{f.field}}
+                    @value={{f.value}}
+                    @class={{value-entered f.value}}
+                    @validation={{f.validation}}
+                  />
+                </div>
+              {{/each}}
+            </div>
+          {{/if}}
 
-            <PluginOutlet
-              @name="create-account-after-user-fields"
-              @outletArgs={{hash
-                accountName=this.model.accountName
-                accountUsername=this.model.accountUsername
-                accountPassword=this.accountPassword
-                userFields=this.userFields
-              }}
-            />
-          </form>
-        </div>
+          <PluginOutlet
+            @name="create-account-after-user-fields"
+            @outletArgs={{hash
+              accountName=this.model.accountName
+              accountUsername=this.model.accountUsername
+              accountPassword=this.accountPassword
+              userFields=this.userFields
+            }}
+          />
+        </form>
 
-        <div class="modal-footer">
+        <div class="d-modal__footer">
           <div class="disclaimer">
             {{html-safe this.disclaimerHtml}}
           </div>
-
-          <DButton
-            @action={{this.createAccount}}
-            @disabled={{this.submitDisabled}}
-            @label="create_account.title"
-            @isLoading={{this.formSubmitted}}
-            class="btn-large btn-primary"
-          />
-
-          {{#unless this.hasAuthOptions}}
+          <div class="d-modal__footer-buttons">
             <DButton
-              @action={{route-action "showLogin"}}
-              @disabled={{this.formSubmitted}}
-              @label="log_in"
-              id="login-link"
-              class="btn-large"
+              @action={{this.createAccount}}
+              @disabled={{this.submitDisabled}}
+              @label="create_account.title"
+              @isLoading={{this.formSubmitted}}
+              class="btn-large btn-primary"
             />
-          {{/unless}}
+
+            {{#unless this.hasAuthOptions}}
+              <DButton
+                @action={{route-action "showLogin"}}
+                @disabled={{this.formSubmitted}}
+                @label="log_in"
+                id="login-link"
+                class="btn-large btn-flat"
+              />
+            {{/unless}}
+          </div>
         </div>
 
         <PluginOutlet
@@ -277,18 +276,17 @@
         />
       {{/if}}
 
-      {{#if this.showExternalLoginButtons}}
-        <div class="create-account-login-buttons">
-          <LoginButtons
-            @externalLogin={{this.externalLogin}}
-            @context="create-account"
-          />
-        </div>
-      {{/if}}
-
       {{#if this.model.skipConfirmation}}
         {{loading-spinner size="large"}}
       {{/if}}
     </div>
+    {{#if this.hasAtLeastOneLoginButton}}
+      <div class="login-right-side">
+        <LoginButtons
+          @externalLogin={{this.externalLogin}}
+          @context="create-account"
+        />
+      </div>
+    {{/if}}
   </:body>
 </DModal>
\ No newline at end of file
diff --git a/app/assets/javascripts/discourse/app/components/modal/create-invite-bulk.hbs b/app/assets/javascripts/discourse/app/components/modal/create-invite-bulk.hbs
index 2db39f4a6f1..3e4d8b54a68 100644
--- a/app/assets/javascripts/discourse/app/components/modal/create-invite-bulk.hbs
+++ b/app/assets/javascripts/discourse/app/components/modal/create-invite-bulk.hbs
@@ -1,7 +1,7 @@
 <CreateInviteUploader @autoFindInput={{false}} as |uploader setElement|>
   <DModal
     @title={{i18n "user.invited.bulk_invite.text"}}
-    class="create-invite-bulk-modal"
+    class="create-invite-bulk-modal -large"
     @closeModal={{@closeModal}}
   >
     <:body>
diff --git a/app/assets/javascripts/discourse/app/components/modal/forgot-password.hbs b/app/assets/javascripts/discourse/app/components/modal/forgot-password.hbs
index 0cfff7c53b4..fb84094f263 100644
--- a/app/assets/javascripts/discourse/app/components/modal/forgot-password.hbs
+++ b/app/assets/javascripts/discourse/app/components/modal/forgot-password.hbs
@@ -22,8 +22,9 @@
         autocapitalize="off"
       />
     {{else}}
+      <p>{{i18n "forgot_password.invite"}}</p>
       <label for="username-or-email">
-        {{i18n "forgot_password.invite"}}
+        {{i18n "forgot_password.email-username"}}
       </label>
       <input
         {{on "input" this.updateEmailOrUsername}}
diff --git a/app/assets/javascripts/discourse/app/components/modal/history.hbs b/app/assets/javascripts/discourse/app/components/modal/history.hbs
index e447c642012..9c0f50a392d 100644
--- a/app/assets/javascripts/discourse/app/components/modal/history.hbs
+++ b/app/assets/javascripts/discourse/app/components/modal/history.hbs
@@ -1,7 +1,7 @@
 <DModal
   @title={{i18n this.modalTitleKey}}
   @closeModal={{@closeModal}}
-  class="history-modal {{concat '--mode-' (dasherize this.viewMode)}}"
+  class="history-modal -max {{concat '--mode-' (dasherize this.viewMode)}}"
 >
   <:body>
     <ConditionalLoadingSpinner @condition={{this.initialLoad}}>
diff --git a/app/assets/javascripts/discourse/app/components/modal/keyboard-shortcuts-help.hbs b/app/assets/javascripts/discourse/app/components/modal/keyboard-shortcuts-help.hbs
index 6633a0c0345..d63876d66d1 100644
--- a/app/assets/javascripts/discourse/app/components/modal/keyboard-shortcuts-help.hbs
+++ b/app/assets/javascripts/discourse/app/components/modal/keyboard-shortcuts-help.hbs
@@ -1,7 +1,7 @@
 <DModal
   @title={{i18n "keyboard_shortcuts_help.title"}}
   @closeModal={{@closeModal}}
-  class="keyboard-shortcuts-modal"
+  class="keyboard-shortcuts-modal -max"
 >
   <:body>
     <div id="keyboard-shortcuts-help">
diff --git a/app/assets/javascripts/discourse/app/components/modal/login.hbs b/app/assets/javascripts/discourse/app/components/modal/login.hbs
index 1a7d9308f08..da632db1cc2 100644
--- a/app/assets/javascripts/discourse/app/components/modal/login.hbs
+++ b/app/assets/javascripts/discourse/app/components/modal/login.hbs
@@ -1,5 +1,5 @@
 <DModal
-  class="login-modal"
+  class="login-modal -large"
   @bodyClass={{this.modalBodyClasses}}
   @closeModal={{@closeModal}}
   @flash={{this.flash}}
@@ -72,13 +72,15 @@
           <Modal::Login::WelcomeHeader @wavingHandURL={{this.wavingHandURL}} />
         </div>
       {{/unless}}
-      <div class="login-right-side">
-        <LoginButtons
-          @externalLogin={{this.externalLoginAction}}
-          @passkeyLogin={{this.passkeyLogin}}
-          @context="login"
-        />
-      </div>
+      {{#if this.hasAtLeastOneLoginButton}}
+        <div class="login-right-side">
+          <LoginButtons
+            @externalLogin={{this.externalLoginAction}}
+            @passkeyLogin={{this.passkeyLogin}}
+            @context="login"
+          />
+        </div>
+      {{/if}}
     {{/if}}
   </:body>
 </DModal>
\ No newline at end of file
diff --git a/app/assets/javascripts/discourse/app/components/modal/login/footer.hbs b/app/assets/javascripts/discourse/app/components/modal/login/footer.hbs
index 39d245072c9..c35baec94a7 100644
--- a/app/assets/javascripts/discourse/app/components/modal/login/footer.hbs
+++ b/app/assets/javascripts/discourse/app/components/modal/login/footer.hbs
@@ -1,4 +1,4 @@
-<div class="modal-footer">
+<div class="d-modal__footer">
   {{#if @canLoginLocal}}
     {{#unless @showSecurityKey}}
       <DButton
@@ -15,7 +15,7 @@
 
     {{#if @showSignupLink}}
       <DButton
-        class="btn-large"
+        class="btn-large btn-flat"
         id="new-account-link"
         @action={{@createAccount}}
         @label="create_account.title"
diff --git a/app/assets/javascripts/discourse/app/components/modal/share-topic.hbs b/app/assets/javascripts/discourse/app/components/modal/share-topic.hbs
index 45c558e0019..8f66c59647d 100644
--- a/app/assets/javascripts/discourse/app/components/modal/share-topic.hbs
+++ b/app/assets/javascripts/discourse/app/components/modal/share-topic.hbs
@@ -26,6 +26,7 @@
           class="invite-link"
           @value={{this.url}}
           readonly={{true}}
+          size="200"
         />
         <CopyButton @selector="input.invite-link" @ariaLabel="share.url" />
       </div>
diff --git a/app/assets/javascripts/discourse/app/components/modal/topic-bulk-actions.hbs b/app/assets/javascripts/discourse/app/components/modal/topic-bulk-actions.hbs
index 22f1bd8a8ba..3077ed6860a 100644
--- a/app/assets/javascripts/discourse/app/components/modal/topic-bulk-actions.hbs
+++ b/app/assets/javascripts/discourse/app/components/modal/topic-bulk-actions.hbs
@@ -1,7 +1,7 @@
 <DModal
   @title={{i18n "topics.bulk.actions"}}
   @closeModal={{@closeModal}}
-  class="topic-bulk-actions-modal small"
+  class="topic-bulk-actions-modal -large"
 >
   <p>
     {{html-safe (i18n "topics.bulk.selected" count=@model.topics.length)}}
diff --git a/app/assets/javascripts/discourse/app/components/sidebar/edit-navigation-menu/tags-modal.js b/app/assets/javascripts/discourse/app/components/sidebar/edit-navigation-menu/tags-modal.js
index fbb4c638075..d1158bf86a2 100644
--- a/app/assets/javascripts/discourse/app/components/sidebar/edit-navigation-menu/tags-modal.js
+++ b/app/assets/javascripts/discourse/app/components/sidebar/edit-navigation-menu/tags-modal.js
@@ -62,7 +62,7 @@ export default class extends Component {
       if (this.observer) {
         this.observer.disconnect();
       } else {
-        const root = document.querySelector(".modal-body");
+        const root = document.querySelector(".d-modal__body");
         const style = window.getComputedStyle(root);
         const marginTop = parseFloat(style.marginTop);
         const paddingTop = parseFloat(style.paddingTop);
@@ -76,7 +76,7 @@ export default class extends Component {
             });
           },
           {
-            root: document.querySelector(".modal-body"),
+            root: document.querySelector(".d-modal__body"),
             rootMargin: `0px 0px ${marginTop + paddingTop}px 0px`,
             threshold: 1.0,
           }
diff --git a/app/assets/javascripts/discourse/tests/acceptance/admin-install-theme-modal-test.js b/app/assets/javascripts/discourse/tests/acceptance/admin-install-theme-modal-test.js
index fadd07bb7b2..df042c5e605 100644
--- a/app/assets/javascripts/discourse/tests/acceptance/admin-install-theme-modal-test.js
+++ b/app/assets/javascripts/discourse/tests/acceptance/admin-install-theme-modal-test.js
@@ -26,7 +26,7 @@ acceptance("Admin - Themes - Install modal", function (needs) {
     );
     assert.ok(query(publicKey), "shows public key");
 
-    await click(".modal-footer .d-modal-cancel");
+    await click(".d-modal__footer .d-modal-cancel");
 
     await click(".create-actions .btn-primary");
     await click("#remote");
diff --git a/app/assets/javascripts/discourse/tests/acceptance/admin-watched-words-test.js b/app/assets/javascripts/discourse/tests/acceptance/admin-watched-words-test.js
index 4ddc05f9931..154c96468fc 100644
--- a/app/assets/javascripts/discourse/tests/acceptance/admin-watched-words-test.js
+++ b/app/assets/javascripts/discourse/tests/acceptance/admin-watched-words-test.js
@@ -124,17 +124,20 @@ acceptance("Admin - Watched Words", function (needs) {
   test("test modal - replace", async function (assert) {
     await visit("/admin/customize/watched_words/action/replace");
     await click(".watched-word-test");
-    await fillIn(".modal-body textarea", "Hi there!");
-    assert.strictEqual(query(".modal-body li .match").innerText, "Hi");
-    assert.strictEqual(query(".modal-body li .replacement").innerText, "hello");
+    await fillIn(".d-modal__body textarea", "Hi there!");
+    assert.strictEqual(query(".d-modal__body li .match").innerText, "Hi");
+    assert.strictEqual(
+      query(".d-modal__body li .replacement").innerText,
+      "hello"
+    );
   });
 
   test("test modal - tag", async function (assert) {
     await visit("/admin/customize/watched_words/action/tag");
     await click(".watched-word-test");
-    await fillIn(".modal-body textarea", "Hello world!");
-    assert.strictEqual(query(".modal-body li .match").innerText, "Hello");
-    assert.strictEqual(query(".modal-body li .tag").innerText, "greeting");
+    await fillIn(".d-modal__body textarea", "Hello world!");
+    assert.strictEqual(query(".d-modal__body li .match").innerText, "Hello");
+    assert.strictEqual(query(".d-modal__body li .tag").innerText, "greeting");
   });
 });
 
diff --git a/app/assets/javascripts/discourse/tests/acceptance/composer-hyperlink-test.js b/app/assets/javascripts/discourse/tests/acceptance/composer-hyperlink-test.js
index 4d43610324b..5553d7aca4a 100644
--- a/app/assets/javascripts/discourse/tests/acceptance/composer-hyperlink-test.js
+++ b/app/assets/javascripts/discourse/tests/acceptance/composer-hyperlink-test.js
@@ -11,15 +11,15 @@ acceptance("Composer - Hyperlink", function (needs) {
     await fillIn(".d-editor-input", "This is a link to ");
 
     assert
-      .dom(".insert-link.modal-body")
+      .dom(".insert-link.d-modal__body")
       .doesNotExist("no hyperlink modal by default");
 
     await click(".d-editor button.link");
-    assert.dom(".insert-link.modal-body").exists("hyperlink modal visible");
+    assert.dom(".insert-link.d-modal__body").exists("hyperlink modal visible");
 
-    await fillIn(".modal-body .link-url", "google.com");
-    await fillIn(".modal-body .link-text", "Google");
-    await click(".modal-footer button.btn-primary");
+    await fillIn(".d-modal__body .link-url", "google.com");
+    await fillIn(".d-modal__body .link-text", "Google");
+    await click(".d-modal__footer button.btn-primary");
 
     assert
       .dom(".d-editor-input")
@@ -29,15 +29,15 @@ acceptance("Composer - Hyperlink", function (needs) {
       );
 
     assert
-      .dom(".insert-link.modal-body")
+      .dom(".insert-link.d-modal__body")
       .doesNotExist("modal dismissed after submitting link");
 
     await fillIn(".d-editor-input", "Reset textarea contents.");
 
     await click(".d-editor button.link");
-    await fillIn(".modal-body .link-url", "google.com");
-    await fillIn(".modal-body .link-text", "Google");
-    await click(".modal-footer button.btn-danger");
+    await fillIn(".d-modal__body .link-url", "google.com");
+    await fillIn(".d-modal__body .link-text", "Google");
+    await click(".d-modal__footer button.btn-danger");
 
     assert
       .dom(".d-editor-input")
@@ -47,7 +47,7 @@ acceptance("Composer - Hyperlink", function (needs) {
       );
 
     assert
-      .dom(".insert-link.modal-body")
+      .dom(".insert-link.d-modal__body")
       .doesNotExist("modal dismissed after cancelling");
 
     const textarea = query("#reply-control .d-editor-input");
@@ -55,8 +55,8 @@ acceptance("Composer - Hyperlink", function (needs) {
     textarea.selectionEnd = 6;
     await click(".d-editor button.link");
 
-    await fillIn(".modal-body .link-url", "somelink.com");
-    await click(".modal-footer button.btn-primary");
+    await fillIn(".d-modal__body .link-url", "somelink.com");
+    await click(".d-modal__footer button.btn-primary");
 
     assert
       .dom(".d-editor-input")
@@ -68,16 +68,16 @@ acceptance("Composer - Hyperlink", function (needs) {
     await fillIn(".d-editor-input", "");
 
     await click(".d-editor button.link");
-    await fillIn(".modal-body .link-url", "http://google.com");
-    await triggerKeyEvent(".modal-body .link-url", "keyup", "Space");
+    await fillIn(".d-modal__body .link-url", "http://google.com");
+    await triggerKeyEvent(".d-modal__body .link-url", "keyup", "Space");
     assert
       .dom(".internal-link-results")
       .doesNotExist(
         "does not show internal links search dropdown when inputting a url"
       );
 
-    await fillIn(".modal-body .link-url", "local");
-    await triggerKeyEvent(".modal-body .link-url", "keyup", "Space");
+    await fillIn(".d-modal__body .link-url", "local");
+    await triggerKeyEvent(".d-modal__body .link-url", "keyup", "Space");
     assert
       .dom(".internal-link-results")
       .exists("shows internal links search dropdown when entering keywords");
diff --git a/app/assets/javascripts/discourse/tests/acceptance/composer-test.js b/app/assets/javascripts/discourse/tests/acceptance/composer-test.js
index 383daa18c6f..19e185f3015 100644
--- a/app/assets/javascripts/discourse/tests/acceptance/composer-test.js
+++ b/app/assets/javascripts/discourse/tests/acceptance/composer-test.js
@@ -229,8 +229,8 @@ acceptance("Composer", function (needs) {
     await click("#reply-control a.cancel");
     assert.ok(exists(".d-modal"), "it pops up a confirmation dialog");
 
-    await click(".modal-footer .discard-draft");
-    assert.ok(!exists(".modal-body"), "the confirmation can be cancelled");
+    await click(".d-modal__footer .discard-draft");
+    assert.ok(!exists(".d-modal__body"), "the confirmation can be cancelled");
   });
 
   test("Create a topic with server side errors", async function (assert) {
@@ -286,7 +286,7 @@ acceptance("Composer", function (needs) {
     assert.ok(visible(".d-modal"), "it pops up a modal");
     assert.strictEqual(currentURL(), "/", "it doesn't change routes");
 
-    await click(".modal-footer button");
+    await click(".d-modal__footer button");
     assert.ok(invisible(".d-modal"), "the modal can be dismissed");
   });
 
@@ -359,7 +359,7 @@ acceptance("Composer", function (needs) {
     await click(".topic-post:nth-of-type(1) button.show-more-actions");
     await click(".topic-post:nth-of-type(1) button.edit");
 
-    await click(".modal-footer button.keep-editing");
+    await click(".d-modal__footer button.keep-editing");
     assert.ok(invisible(".discard-draft-modal.modal"));
     assert.strictEqual(
       query(".d-editor-input").value,
@@ -368,8 +368,8 @@ acceptance("Composer", function (needs) {
     );
 
     await click(".topic-post:nth-of-type(1) button.edit");
-    assert.ok(invisible(".modal-footer button.save-draft"));
-    await click(".modal-footer button.discard-draft");
+    assert.ok(invisible(".d-modal__footer button.save-draft"));
+    await click(".d-modal__footer button.discard-draft");
     assert.ok(invisible(".discard-draft-modal.modal"));
 
     assert.strictEqual(
@@ -389,7 +389,7 @@ acceptance("Composer", function (needs) {
     await click("#topic-footer-buttons .create");
     assert.ok(visible(".discard-draft-modal.modal"));
 
-    await click(".modal-footer button.keep-editing");
+    await click(".d-modal__footer button.keep-editing");
     assert.ok(invisible(".discard-draft-modal.modal"));
 
     assert.strictEqual(
@@ -438,7 +438,7 @@ acceptance("Composer", function (needs) {
       "it pops up the discard drafts modal"
     );
 
-    await click(".modal-footer button.keep-editing");
+    await click(".d-modal__footer button.keep-editing");
 
     assert.ok(invisible(".discard-draft-modal.modal"), "hides modal");
     await click("#topic-footer-buttons .btn.create");
@@ -447,7 +447,7 @@ acceptance("Composer", function (needs) {
       "it pops up the modal again"
     );
 
-    await click(".modal-footer button.discard-draft");
+    await click(".d-modal__footer button.discard-draft");
 
     assert.strictEqual(
       query(".d-editor-input").value,
@@ -487,7 +487,7 @@ acceptance("Composer", function (needs) {
     );
     assert.ok(visible(".d-modal"), "it pops up a modal");
 
-    await click(".modal-footer button");
+    await click(".d-modal__footer button");
     assert.ok(invisible(".d-modal"), "the modal can be dismissed");
     assert.ok(exists(".pending-posts .reviewable-item"));
   });
@@ -581,7 +581,7 @@ acceptance("Composer", function (needs) {
       "it pops up a confirmation dialog"
     );
 
-    await click(".modal-footer button.discard-draft");
+    await click(".d-modal__footer button.discard-draft");
     assert.ok(
       query(".d-editor-input").value.startsWith("This is the second post."),
       "it populates the input with the post text"
@@ -809,13 +809,13 @@ acceptance("Composer", function (needs) {
       exists(".discard-draft-modal.modal"),
       "it pops up a confirmation dialog"
     );
-    assert.ok(invisible(".modal-footer button.save-draft"));
+    assert.ok(invisible(".d-modal__footer button.save-draft"));
     assert.strictEqual(
-      query(".modal-footer button.keep-editing").innerText.trim(),
+      query(".d-modal__footer button.keep-editing").innerText.trim(),
       I18n.t("post.cancel_composer.keep_editing"),
       "has keep editing button"
     );
-    await click(".modal-footer button.discard-draft");
+    await click(".d-modal__footer button.discard-draft");
     assert.ok(
       query(".d-editor-input").value.startsWith("This is the second post."),
       "it populates the input with the post text"
@@ -836,16 +836,16 @@ acceptance("Composer", function (needs) {
       "it pops up a confirmation dialog"
     );
     assert.strictEqual(
-      query(".modal-footer button.save-draft").innerText.trim(),
+      query(".d-modal__footer button.save-draft").innerText.trim(),
       I18n.t("post.cancel_composer.save_draft"),
       "has save draft button"
     );
     assert.strictEqual(
-      query(".modal-footer button.keep-editing").innerText.trim(),
+      query(".d-modal__footer button.keep-editing").innerText.trim(),
       I18n.t("post.cancel_composer.keep_editing"),
       "has keep editing button"
     );
-    await click(".modal-footer button.save-draft");
+    await click(".d-modal__footer button.save-draft");
     assert.strictEqual(
       query(".d-editor-input").value,
       "",
@@ -898,7 +898,7 @@ acceptance("Composer", function (needs) {
     await composerActions.expand();
     await composerActions.selectRowByValue("reply_as_new_topic");
 
-    assert.ok(!exists(".modal-body"), "abandon popup shouldn't come");
+    assert.ok(!exists(".d-modal__body"), "abandon popup shouldn't come");
 
     assert.ok(
       query(".d-editor-input").value.includes(longText),
diff --git a/app/assets/javascripts/discourse/tests/acceptance/create-account-from-login-test.js b/app/assets/javascripts/discourse/tests/acceptance/create-account-from-login-test.js
index 2b532b87c1f..6726ca56a87 100644
--- a/app/assets/javascripts/discourse/tests/acceptance/create-account-from-login-test.js
+++ b/app/assets/javascripts/discourse/tests/acceptance/create-account-from-login-test.js
@@ -7,7 +7,7 @@ acceptance("Create Account Fields - From Login Form", function () {
     await visit("/");
     await click("header .login-button");
     await fillIn("#login-account-name", "isaac@foo.com");
-    await click(".modal-footer #new-account-link");
+    await click(".d-modal__footer #new-account-link");
 
     assert.dom("#new-account-username").hasText("");
     assert
@@ -19,7 +19,7 @@ acceptance("Create Account Fields - From Login Form", function () {
     await visit("/");
     await click("header .login-button");
     await fillIn("#login-account-name", "isaac");
-    await click(".modal-footer #new-account-link");
+    await click(".d-modal__footer #new-account-link");
 
     assert.dom("#new-account-email").hasText("");
     assert
diff --git a/app/assets/javascripts/discourse/tests/acceptance/create-account-test.js b/app/assets/javascripts/discourse/tests/acceptance/create-account-test.js
index fe4da6cb2ba..5de1710cee8 100644
--- a/app/assets/javascripts/discourse/tests/acceptance/create-account-test.js
+++ b/app/assets/javascripts/discourse/tests/acceptance/create-account-test.js
@@ -29,7 +29,7 @@ acceptance("Create Account", function () {
     assert
       .dom("#username-validation.bad")
       .exists("the username validation is bad");
-    await click(".modal-footer .btn-primary");
+    await click(".d-modal__footer .btn-primary");
 
     await fillIn("#new-account-username", "good-tuna");
     assert
@@ -46,9 +46,9 @@ acceptance("Create Account", function () {
       return response({ success: true });
     });
 
-    await click(".modal-footer .btn-primary");
+    await click(".d-modal__footer .btn-primary");
     assert
-      .dom(".modal-footer .btn-primary:disabled")
+      .dom(".d-modal__footer .btn-primary:disabled")
       .exists("create account is disabled");
 
     assert.verifySteps(["request"]);
@@ -59,7 +59,7 @@ acceptance("Create Account", function () {
     await click("header .sign-up-button");
 
     await fillIn("#new-account-email", "z@z.co");
-    await click(".modal-footer .btn-primary");
+    await click(".d-modal__footer .btn-primary");
 
     assert
       .dom("#username-validation")
@@ -91,7 +91,7 @@ acceptance("Create Account - full_name_required", function (needs) {
     await fillIn("#new-account-username", "good-tuna");
     await fillIn("#new-account-password", "cool password bro");
 
-    await click(".modal-footer .btn-primary");
+    await click(".d-modal__footer .btn-primary");
     assert.dom("#fullname-validation").hasText(I18n.t("user.name.required"));
 
     await fillIn("#new-account-name", "Full Name");
@@ -106,9 +106,9 @@ acceptance("Create Account - full_name_required", function (needs) {
       return response({ success: true });
     });
 
-    await click(".modal-footer .btn-primary");
+    await click(".d-modal__footer .btn-primary");
     assert
-      .dom(".modal-footer .btn-primary:disabled")
+      .dom(".d-modal__footer .btn-primary:disabled")
       .exists("create account is disabled");
 
     assert.verifySteps(["request"]);
@@ -123,10 +123,10 @@ acceptance("Create Account - passkeys enabled", function (needs) {
     await click("header .sign-up-button");
 
     assert
-      .dom(".create-account-form .btn-primary")
+      .dom(".d-modal.create-account .btn-primary")
       .exists("create account button exists");
 
-    assert.dom(".create-account-form .btn-primary").exists();
+    assert.dom(".d-modal.create-account .btn-primary").exists();
     assert.dom(".passkey-login-button").doesNotExist();
   });
 });
diff --git a/app/assets/javascripts/discourse/tests/acceptance/create-account-user-fields-test.js b/app/assets/javascripts/discourse/tests/acceptance/create-account-user-fields-test.js
index 9351626d869..2a40101c5f4 100644
--- a/app/assets/javascripts/discourse/tests/acceptance/create-account-user-fields-test.js
+++ b/app/assets/javascripts/discourse/tests/acceptance/create-account-user-fields-test.js
@@ -34,7 +34,7 @@ acceptance("Create Account - User Fields", function (needs) {
     assert.dom(".create-account").exists("it shows the create account modal");
     assert.dom(".user-field").exists("it has at least one user field");
 
-    await click(".modal-footer .btn-primary");
+    await click(".d-modal__footer .btn-primary");
     assert
       .dom("#account-email-validation")
       .hasText(I18n.t("user.email.required"));
@@ -51,10 +51,10 @@ acceptance("Create Account - User Fields", function (needs) {
       .dom("#account-email-validation.good")
       .exists("the email validation is good");
 
-    await click(".modal-footer .btn-primary");
+    await click(".d-modal__footer .btn-primary");
     await fillIn(".user-field input[type=text]:nth-of-type(1)", "Barky");
     await click(".user-field input[type=checkbox]");
-    await click(".modal-footer .btn-primary");
+    await click(".d-modal__footer .btn-primary");
   });
 
   test("can submit with enter", async function (assert) {
@@ -74,7 +74,7 @@ acceptance("Create Account - User Fields", function (needs) {
     await fillIn("#new-account-password", "cool password bro");
     await fillIn(".user-field-whats-your-dad-like input", "cool password bro");
 
-    await click(".modal-footer .btn-primary");
+    await click(".d-modal__footer .btn-primary");
 
     assert
       .dom(".user-field-what-is-your-pets-name .tip.bad")
diff --git a/app/assets/javascripts/discourse/tests/acceptance/flag-post-test.js b/app/assets/javascripts/discourse/tests/acceptance/flag-post-test.js
index 2006a2947ae..458e74cb410 100644
--- a/app/assets/javascripts/discourse/tests/acceptance/flag-post-test.js
+++ b/app/assets/javascripts/discourse/tests/acceptance/flag-post-test.js
@@ -130,11 +130,11 @@ acceptance("flagging", function (needs) {
     const silenceUntilCombobox = selectKit(".silence-until .combobox");
     await silenceUntilCombobox.expand();
     await silenceUntilCombobox.selectRowByValue("tomorrow");
-    assert.ok(exists(".modal-body"));
+    assert.ok(exists(".d-modal__body"));
     await fillIn("input.silence-reason", "for breaking the rules");
 
     await click(".perform-penalize");
-    assert.ok(!exists(".modal-body"));
+    assert.ok(!exists(".d-modal__body"));
   });
 
   test("Can delete spammer from spam", async function (assert) {
diff --git a/app/assets/javascripts/discourse/tests/acceptance/forgot-password-test.js b/app/assets/javascripts/discourse/tests/acceptance/forgot-password-test.js
index 40bd133527a..b6c1577a03b 100644
--- a/app/assets/javascripts/discourse/tests/acceptance/forgot-password-test.js
+++ b/app/assets/javascripts/discourse/tests/acceptance/forgot-password-test.js
@@ -62,7 +62,7 @@ acceptance("Forgot password", function (needs) {
     );
 
     assert.strictEqual(
-      query(".modal-body").innerHTML.trim(),
+      query(".d-modal__body").innerHTML.trim(),
       I18n.t("forgot_password.complete_username_found", {
         username: "someuser",
       }),
@@ -76,7 +76,7 @@ acceptance("Forgot password", function (needs) {
     await click(".forgot-password-reset");
 
     assert.strictEqual(
-      query(".modal-body").innerHTML.trim(),
+      query(".d-modal__body").innerHTML.trim(),
       I18n.t("forgot_password.complete_email_found", {
         email: "someuser@gmail.com",
       }),
@@ -108,7 +108,7 @@ acceptance(
       await click(".forgot-password-reset");
 
       assert.strictEqual(
-        query(".modal-body").innerHTML.trim(),
+        query(".d-modal__body").innerHTML.trim(),
         I18n.t("forgot_password.complete_username", {
           username: "someuser",
         }),
diff --git a/app/assets/javascripts/discourse/tests/acceptance/group-test.js b/app/assets/javascripts/discourse/tests/acceptance/group-test.js
index eec9b4af23a..0871efae311 100644
--- a/app/assets/javascripts/discourse/tests/acceptance/group-test.js
+++ b/app/assets/javascripts/discourse/tests/acceptance/group-test.js
@@ -191,7 +191,7 @@ acceptance("Group - Authenticated", function (needs) {
     await click(".group-index-request");
 
     assert.strictEqual(
-      query(".modal-header .title").innerText.trim(),
+      query(".d-modal__header .d-modal__title-text").innerText.trim(),
       I18n.t("groups.membership_request.title", { group_name: "Macdonald" })
     );
 
@@ -200,7 +200,7 @@ acceptance("Group - Authenticated", function (needs) {
       "Please add me"
     );
 
-    await click(".modal-footer .btn-primary");
+    await click(".d-modal__footer .btn-primary");
 
     assert.strictEqual(
       query(".fancy-title").innerText.trim(),
diff --git a/app/assets/javascripts/discourse/tests/acceptance/groups-index-test.js b/app/assets/javascripts/discourse/tests/acceptance/groups-index-test.js
index 86bcf5b153e..e5ac1a52b5c 100644
--- a/app/assets/javascripts/discourse/tests/acceptance/groups-index-test.js
+++ b/app/assets/javascripts/discourse/tests/acceptance/groups-index-test.js
@@ -29,7 +29,7 @@ acceptance("Groups", function () {
     await click(".group-index-join");
     assert.ok(exists(".modal.login-modal"), "it shows the login modal");
 
-    await click(".login-modal .close");
+    await click(".login-modal .modal-close");
     assert.ok(invisible(".modal.login-modal"), "it closes the login modal");
 
     await click(".group-index-request");
diff --git a/app/assets/javascripts/discourse/tests/acceptance/keyboard-shortcuts-test.js b/app/assets/javascripts/discourse/tests/acceptance/keyboard-shortcuts-test.js
index 3edca63776e..7e7babc240d 100644
--- a/app/assets/javascripts/discourse/tests/acceptance/keyboard-shortcuts-test.js
+++ b/app/assets/javascripts/discourse/tests/acceptance/keyboard-shortcuts-test.js
@@ -147,7 +147,7 @@ acceptance("Keyboard Shortcuts - Authenticated Users", function (needs) {
       "confirmation modal to dismiss unread is present"
     );
     assert.strictEqual(
-      query(".modal-body").innerText,
+      query(".d-modal__body").innerText,
       I18n.t("topics.bulk.also_dismiss_topics")
     );
     await click("#dismiss-read-confirm");
@@ -177,7 +177,7 @@ acceptance("Keyboard Shortcuts - Authenticated Users", function (needs) {
       "confirmation modal to dismiss unread is present"
     );
     assert.strictEqual(
-      query(".modal-body").innerText,
+      query(".d-modal__body").innerText,
       "Stop tracking these topics so they never show up as unread for me again"
     );
 
diff --git a/app/assets/javascripts/discourse/tests/acceptance/mobile-topic-bulk-actions-test.js b/app/assets/javascripts/discourse/tests/acceptance/mobile-topic-bulk-actions-test.js
index b1ab9c05b01..7d0c373affb 100644
--- a/app/assets/javascripts/discourse/tests/acceptance/mobile-topic-bulk-actions-test.js
+++ b/app/assets/javascripts/discourse/tests/acceptance/mobile-topic-bulk-actions-test.js
@@ -121,7 +121,7 @@ acceptance("Topic - Bulk Actions - Mobile", function (needs) {
     await click(queryAll("input.bulk-select")[1]);
 
     await click(".bulk-select-actions");
-    await click(".modal-body .delete-topics");
+    await click(".d-modal__body .delete-topics");
 
     assert
       .dom(".topic-bulk-actions-modal")
diff --git a/app/assets/javascripts/discourse/tests/acceptance/modal-service-test.gjs b/app/assets/javascripts/discourse/tests/acceptance/modal-service-test.gjs
index 100edc683da..4cc38a6401b 100644
--- a/app/assets/javascripts/discourse/tests/acceptance/modal-service-test.gjs
+++ b/app/assets/javascripts/discourse/tests/acceptance/modal-service-test.gjs
@@ -51,10 +51,10 @@ acceptance("Modal service: component-based API", function () {
     await settled();
     assert.dom(".d-modal").exists("modal should appear");
 
-    assert.dom(".d-modal .title h3").hasText("Hello World");
-    assert.dom(".d-modal .modal-body").hasText("Modal content is working");
+    assert.dom(".d-modal__title-text").hasText("Hello World");
+    assert.dom(".d-modal .d-modal__body").hasText("Modal content is working");
 
-    await click(".modal-backdrop");
+    await click(".d-modal__backdrop");
     assert.dom(".d-modal").doesNotExist("disappears on click outside");
     assert.deepEqual(
       await promise,
@@ -105,7 +105,7 @@ acceptance("Modal service: component-based API", function () {
     modalService.show(MyModalClass, { model: { text: "second" } });
     await settled();
     assert
-      .dom(".d-modal .modal-body")
+      .dom(".d-modal .d-modal__body")
       .hasText("Modal content is second", "new modal replaces old");
     assert.deepEqual(
       await promise,
diff --git a/app/assets/javascripts/discourse/tests/acceptance/modal/login/login-test.js b/app/assets/javascripts/discourse/tests/acceptance/modal/login/login-test.js
index f0abb87cbd8..840949295ca 100644
--- a/app/assets/javascripts/discourse/tests/acceptance/modal/login/login-test.js
+++ b/app/assets/javascripts/discourse/tests/acceptance/modal/login/login-test.js
@@ -11,7 +11,7 @@ acceptance("Modal - Login", function () {
     // you have to press the tab key twice to get to the login button
     await tab({ unRestrainTabIndex: true });
     await tab({ unRestrainTabIndex: true });
-    assert.dom(".modal-footer #login-button").isFocused();
+    assert.dom(".d-modal__footer #login-button").isFocused();
   });
 });
 
diff --git a/app/assets/javascripts/discourse/tests/acceptance/post-table-wrapper-test.js b/app/assets/javascripts/discourse/tests/acceptance/post-table-wrapper-test.js
index bd46a211913..74d4b1719f5 100644
--- a/app/assets/javascripts/discourse/tests/acceptance/post-table-wrapper-test.js
+++ b/app/assets/javascripts/discourse/tests/acceptance/post-table-wrapper-test.js
@@ -47,7 +47,7 @@ acceptance("Post Table Wrapper Test", function () {
       "The table is present inside the modal"
     );
 
-    await click(".fullscreen-table-modal .modal-close.close");
+    await click(".fullscreen-table-modal .modal-close");
     await click(
       `${postWithLargeTable} .fullscreen-table-wrapper .btn-expand-table svg`
     );
diff --git a/app/assets/javascripts/discourse/tests/acceptance/review-test.js b/app/assets/javascripts/discourse/tests/acceptance/review-test.js
index cde6e957836..ecf3ff4598f 100644
--- a/app/assets/javascripts/discourse/tests/acceptance/review-test.js
+++ b/app/assets/javascripts/discourse/tests/acceptance/review-test.js
@@ -70,21 +70,21 @@ acceptance("Review", function (needs) {
 
     assert.ok(visible(".reject-reason-reviewable-modal"));
     assert.ok(
-      query(".reject-reason-reviewable-modal .title").innerHTML.includes(
-        I18n.t("review.reject_reason.title")
-      ),
+      query(
+        ".reject-reason-reviewable-modal .d-modal__title"
+      ).innerHTML.includes(I18n.t("review.reject_reason.title")),
       "it opens reject reason modal when user is rejected"
     );
 
-    await click(".modal-footer .cancel");
+    await click(".d-modal__footer .cancel");
     await reviewableActionDropdown.expand();
     await reviewableActionDropdown.selectRowByValue("reject_user_block");
 
     assert.ok(visible(".reject-reason-reviewable-modal"));
     assert.ok(
-      query(".reject-reason-reviewable-modal .title").innerHTML.includes(
-        I18n.t("review.reject_reason.title")
-      ),
+      query(
+        ".reject-reason-reviewable-modal .d-modal__title"
+      ).innerHTML.includes(I18n.t("review.reject_reason.title")),
       "it opens reject reason modal when user is rejected and blocked"
     );
   });
diff --git a/app/assets/javascripts/discourse/tests/acceptance/sign-in-test.js b/app/assets/javascripts/discourse/tests/acceptance/sign-in-test.js
index 8bad574a073..6fb1e57f197 100644
--- a/app/assets/javascripts/discourse/tests/acceptance/sign-in-test.js
+++ b/app/assets/javascripts/discourse/tests/acceptance/sign-in-test.js
@@ -16,10 +16,10 @@ acceptance("Signing In", function () {
     // Test invalid password first
     await fillIn("#login-account-name", "eviltrout");
     await fillIn("#login-account-password", "incorrect");
-    await click(".modal-footer .btn-primary");
+    await click(".d-modal__footer .btn-primary");
     assert.ok(exists("#modal-alert:visible"), "it displays the login error");
     assert.notOk(
-      exists(".modal-footer .btn-primary:disabled"),
+      exists(".d-modal__footer .btn-primary:disabled"),
       "enables the login button"
     );
 
@@ -36,9 +36,9 @@ acceptance("Signing In", function () {
 
     // Use the correct password
     await fillIn("#login-account-password", "correct");
-    await click(".modal-footer .btn-primary");
+    await click(".d-modal__footer .btn-primary");
     assert.ok(
-      exists(".modal-footer .btn-primary:disabled"),
+      exists(".d-modal__footer .btn-primary:disabled"),
       "disables the login button"
     );
   });
@@ -50,19 +50,19 @@ acceptance("Signing In", function () {
 
     await fillIn("#login-account-name", "eviltrout");
     await fillIn("#login-account-password", "not-activated");
-    await click(".modal-footer .btn-primary");
+    await click(".d-modal__footer .btn-primary");
     assert.strictEqual(
-      query(".modal-body b").innerText,
+      query(".d-modal__body b").innerText,
       "<small>eviltrout@example.com</small>"
     );
-    assert.ok(!exists(".modal-body small"), "it escapes the email address");
+    assert.ok(!exists(".d-modal__body small"), "it escapes the email address");
 
-    await click(".modal-footer button.resend");
+    await click(".d-modal__footer button.resend");
     assert.strictEqual(
-      query(".modal-body b").innerText,
+      query(".d-modal__body b").innerText,
       "<small>current@example.com</small>"
     );
-    assert.ok(!exists(".modal-body small"), "it escapes the email address");
+    assert.ok(!exists(".d-modal__body small"), "it escapes the email address");
   });
 
   test("sign in - not activated - edit email", async function (assert) {
@@ -72,22 +72,22 @@ acceptance("Signing In", function () {
 
     await fillIn("#login-account-name", "eviltrout");
     await fillIn("#login-account-password", "not-activated-edit");
-    await click(".modal-footer .btn-primary");
-    await click(".modal-footer button.edit-email");
+    await click(".d-modal__footer .btn-primary");
+    await click(".d-modal__footer button.edit-email");
     assert.strictEqual(
       query(".activate-new-email").value,
       "current@example.com"
     );
     assert.strictEqual(
-      count(".modal-footer .btn-primary:disabled"),
+      count(".d-modal__footer .btn-primary:disabled"),
       1,
       "must change email"
     );
     await fillIn(".activate-new-email", "different@example.com");
-    assert.ok(!exists(".modal-footer .btn-primary:disabled"));
-    await click(".modal-footer .btn-primary");
+    assert.ok(!exists(".d-modal__footer .btn-primary:disabled"));
+    await click(".d-modal__footer .btn-primary");
     assert.strictEqual(
-      query(".modal-body b").innerText,
+      query(".d-modal__body b").innerText,
       "different@example.com"
     );
   });
@@ -100,7 +100,7 @@ acceptance("Signing In", function () {
 
     await fillIn("#login-account-name", "eviltrout");
     await fillIn("#login-account-password", "need-second-factor");
-    await click(".modal-footer .btn-primary");
+    await click(".d-modal__footer .btn-primary");
 
     assert.notOk(
       exists("#credentials:visible"),
@@ -111,15 +111,15 @@ acceptance("Signing In", function () {
       "it displays the second factor prompt"
     );
     assert.notOk(
-      exists(".modal-footer .btn-primary:disabled"),
+      exists(".d-modal__footer .btn-primary:disabled"),
       "enables the login button"
     );
 
     await fillIn("#login-second-factor", "123456");
-    await click(".modal-footer .btn-primary");
+    await click(".d-modal__footer .btn-primary");
 
     assert.ok(
-      exists(".modal-footer .btn-primary:disabled"),
+      exists(".d-modal__footer .btn-primary:disabled"),
       "disables the login button"
     );
   });
@@ -132,7 +132,7 @@ acceptance("Signing In", function () {
 
     await fillIn("#login-account-name", "eviltrout");
     await fillIn("#login-account-password", "need-security-key");
-    await click(".modal-footer .btn-primary");
+    await click(".d-modal__footer .btn-primary");
 
     assert.notOk(
       exists("#credentials:visible"),
@@ -154,13 +154,13 @@ acceptance("Signing In", function () {
     await click("header .login-button");
     await fillIn("#login-account-name", "eviltrout");
     await fillIn("#login-account-password", "need-second-factor");
-    await click(".modal-footer .btn-primary");
+    await click(".d-modal__footer .btn-primary");
     await click(".login-modal .toggle-second-factor-method");
     await fillIn("#login-second-factor", "123456");
-    await click(".modal-footer .btn-primary");
+    await click(".d-modal__footer .btn-primary");
 
     assert.ok(
-      exists(".modal-footer .btn-primary:disabled"),
+      exists(".d-modal__footer .btn-primary:disabled"),
       "it closes the modal when the code is valid"
     );
   });
@@ -170,10 +170,10 @@ acceptance("Signing In", function () {
     await click("header .login-button");
     await fillIn("#login-account-name", "eviltrout");
     await fillIn("#login-account-password", "need-second-factor");
-    await click(".modal-footer .btn-primary");
+    await click(".d-modal__footer .btn-primary");
     await click(".login-modal .toggle-second-factor-method");
     await fillIn("#login-second-factor", "something");
-    await click(".modal-footer .btn-primary");
+    await click(".d-modal__footer .btn-primary");
 
     assert.ok(
       exists("#modal-alert:visible"),
diff --git a/app/assets/javascripts/discourse/tests/acceptance/themes-test.js b/app/assets/javascripts/discourse/tests/acceptance/themes-test.js
index b34328b3209..f972c5ee1fa 100644
--- a/app/assets/javascripts/discourse/tests/acceptance/themes-test.js
+++ b/app/assets/javascripts/discourse/tests/acceptance/themes-test.js
@@ -190,17 +190,21 @@ acceptance("Theme", function (needs) {
     await click(".install-theme-content button.advanced-repo");
 
     assert.notOk(
-      exists(".admin-install-theme-modal .modal-footer .install-theme-warning"),
+      exists(
+        ".admin-install-theme-modal .d-modal__footer .install-theme-warning"
+      ),
       "no Git warning is displayed"
     );
 
-    await click(".admin-install-theme-modal .modal-footer .btn-primary");
+    await click(".admin-install-theme-modal .d-modal__footer .btn-primary");
     assert.ok(
-      exists(".admin-install-theme-modal .modal-footer .install-theme-warning"),
+      exists(
+        ".admin-install-theme-modal .d-modal__footer .install-theme-warning"
+      ),
       "Git warning is displayed"
     );
 
-    await click(".admin-install-theme-modal .modal-footer .btn-danger");
+    await click(".admin-install-theme-modal .d-modal__footer .btn-danger");
 
     assert.notOk(
       exists(".admin-install-theme-modal:visible"),
diff --git a/app/assets/javascripts/discourse/tests/acceptance/topic-bulk-actions-test.js b/app/assets/javascripts/discourse/tests/acceptance/topic-bulk-actions-test.js
index e9f432425a0..82e53ccb951 100644
--- a/app/assets/javascripts/discourse/tests/acceptance/topic-bulk-actions-test.js
+++ b/app/assets/javascripts/discourse/tests/acceptance/topic-bulk-actions-test.js
@@ -123,7 +123,7 @@ acceptance("Topic - Bulk Actions", function (needs) {
     await click(queryAll("input.bulk-select")[1]);
 
     await click(".bulk-select-actions");
-    await click(".modal-body .delete-topics");
+    await click(".d-modal__body .delete-topics");
 
     assert
       .dom(".topic-bulk-actions-modal")
diff --git a/app/assets/javascripts/discourse/tests/acceptance/topic-edit-timer-test.js b/app/assets/javascripts/discourse/tests/acceptance/topic-edit-timer-test.js
index ae1a68c9d56..e360e431fc6 100644
--- a/app/assets/javascripts/discourse/tests/acceptance/topic-edit-timer-test.js
+++ b/app/assets/javascripts/discourse/tests/acceptance/topic-edit-timer-test.js
@@ -131,7 +131,7 @@ acceptance("Topic - Edit timer", function (needs) {
   test("schedule publish to category - visible for a PM", async function (assert) {
     updateCurrentUser({ moderator: true });
     const timerType = selectKit(".select-kit.timer-type");
-    const categoryChooser = selectKit(".modal-body .category-chooser");
+    const categoryChooser = selectKit(".d-modal__body .category-chooser");
 
     await visit("/t/pm-for-testing/12");
     await click(".toggle-admin-menu");
@@ -170,7 +170,7 @@ acceptance("Topic - Edit timer", function (needs) {
   test("schedule publish to category - visible for a private category", async function (assert) {
     updateCurrentUser({ moderator: true });
     const timerType = selectKit(".select-kit.timer-type");
-    const categoryChooser = selectKit(".modal-body .category-chooser");
+    const categoryChooser = selectKit(".d-modal__body .category-chooser");
 
     // has private category id 24 (shared drafts)
     await visit("/t/some-topic/9");
@@ -210,7 +210,7 @@ acceptance("Topic - Edit timer", function (needs) {
   test("schedule publish to category - visible for an unlisted public topic", async function (assert) {
     updateCurrentUser({ moderator: true });
     const timerType = selectKit(".select-kit.timer-type");
-    const categoryChooser = selectKit(".modal-body .category-chooser");
+    const categoryChooser = selectKit(".d-modal__body .category-chooser");
 
     await visit("/t/internationalization-localization/280");
 
diff --git a/app/assets/javascripts/discourse/tests/acceptance/topic-move-posts-test.js b/app/assets/javascripts/discourse/tests/acceptance/topic-move-posts-test.js
index 40c82f59562..d120e549556 100644
--- a/app/assets/javascripts/discourse/tests/acceptance/topic-move-posts-test.js
+++ b/app/assets/javascripts/discourse/tests/acceptance/topic-move-posts-test.js
@@ -32,7 +32,7 @@ acceptance("Topic move posts", function (needs) {
     await click(".selected-posts .move-to-topic");
 
     assert.ok(
-      query(".choose-topic-modal .title").innerHTML.includes(
+      query(".choose-topic-modal .d-modal__title").innerHTML.includes(
         I18n.t("topic.move_to.title")
       ),
       "it opens move to modal"
@@ -67,7 +67,7 @@ acceptance("Topic move posts", function (needs) {
     await click("#post_11 .select-below");
     await click(".selected-posts .move-to-topic");
     await fillIn(".choose-topic-modal #split-topic-name", "Existing topic");
-    await click(".choose-topic-modal .modal-footer .btn-primary");
+    await click(".choose-topic-modal .d-modal__footer .btn-primary");
     assert.strictEqual(
       query("#modal-alert").innerText.trim(),
       I18n.t("topic.move_to.error")
@@ -82,7 +82,7 @@ acceptance("Topic move posts", function (needs) {
     await click(".selected-posts .move-to-topic");
 
     assert.ok(
-      query(".choose-topic-modal .title").innerHTML.includes(
+      query(".choose-topic-modal .d-modal__title").innerHTML.includes(
         I18n.t("topic.move_to.title")
       ),
       "it opens move to modal"
@@ -159,7 +159,7 @@ acceptance("Topic move posts", function (needs) {
     await click(".selected-posts .move-to-topic");
 
     assert.ok(
-      query(".choose-topic-modal .title").innerHTML.includes(
+      query(".choose-topic-modal .d-modal__title").innerHTML.includes(
         I18n.t("topic.move_to.title")
       ),
       "it opens move to modal"
@@ -195,7 +195,7 @@ acceptance("Topic move posts", function (needs) {
     await click(".selected-posts .move-to-topic");
 
     assert.ok(
-      query(".choose-topic-modal .title").innerHTML.includes(
+      query(".choose-topic-modal .d-modal__title").innerHTML.includes(
         I18n.t("topic.move_to.title")
       ),
       "it opens move to modal"
diff --git a/app/assets/javascripts/discourse/tests/acceptance/topic-slow-mode-test.js b/app/assets/javascripts/discourse/tests/acceptance/topic-slow-mode-test.js
index 470107401f3..bc75a2e5339 100644
--- a/app/assets/javascripts/discourse/tests/acceptance/topic-slow-mode-test.js
+++ b/app/assets/javascripts/discourse/tests/acceptance/topic-slow-mode-test.js
@@ -67,7 +67,7 @@ acceptance("Topic - Slow Mode - enabled", function (needs) {
     await click(".future-date-input-selector-header");
 
     assert.strictEqual(
-      query("div.modal-footer button.btn-primary span").innerText,
+      query("div.d-modal__footer button.btn-primary span").innerText,
       I18n.t("topic.slow_mode_update.enable"),
       "shows 'Enable' button when slow mode is disabled"
     );
@@ -78,7 +78,7 @@ acceptance("Topic - Slow Mode - enabled", function (needs) {
     await click(".future-date-input-selector-header");
 
     assert.strictEqual(
-      query("div.modal-footer button.btn-primary span").innerText,
+      query("div.d-modal__footer button.btn-primary span").innerText,
       I18n.t("topic.slow_mode_update.update"),
       "shows 'Update' button when slow mode is enabled"
     );
diff --git a/app/assets/javascripts/discourse/tests/acceptance/user-menu-test.js b/app/assets/javascripts/discourse/tests/acceptance/user-menu-test.js
index 17abb210346..1d347cf7e4e 100644
--- a/app/assets/javascripts/discourse/tests/acceptance/user-menu-test.js
+++ b/app/assets/javascripts/discourse/tests/acceptance/user-menu-test.js
@@ -938,17 +938,17 @@ acceptance("User menu - Dismiss button", function (needs) {
     await click(".user-menu .notifications-dismiss");
     assert.strictEqual(
       query(
-        ".dismiss-notification-confirmation .modal-body"
+        ".dismiss-notification-confirmation .d-modal__body"
       ).textContent.trim(),
       I18n.t("notifications.dismiss_confirmation.body.default", { count: 10 }),
       "confirmation modal is shown when there are unread high pri notifications"
     );
 
-    await click(".modal-footer .btn-default"); // click cancel on the dismiss modal
+    await click(".d-modal__footer .btn-default"); // click cancel on the dismiss modal
     assert.notOk(markRead, "mark-read request isn't sent");
 
     await click(".user-menu .notifications-dismiss");
-    await click(".modal-footer .btn-primary"); // click confirm on the dismiss modal
+    await click(".d-modal__footer .btn-primary"); // click confirm on the dismiss modal
     assert.ok(markRead, "mark-read request is sent");
   });
 
@@ -976,7 +976,7 @@ acceptance("User menu - Dismiss button", function (needs) {
 
     assert.strictEqual(
       query(
-        ".dismiss-notification-confirmation .modal-body"
+        ".dismiss-notification-confirmation .d-modal__body"
       ).textContent.trim(),
       I18n.t("notifications.dismiss_confirmation.body.bookmarks", {
         count: 103,
@@ -985,7 +985,7 @@ acceptance("User menu - Dismiss button", function (needs) {
     );
     assert.notOk(markRead, "mark-read request isn't sent");
 
-    await click(".modal-footer .btn-primary"); // confirm dismiss on the dismiss modal
+    await click(".d-modal__footer .btn-primary"); // confirm dismiss on the dismiss modal
 
     assert.notOk(
       exists("#quick-access-bookmarks ul li.notification"),
@@ -1032,7 +1032,7 @@ acceptance("User menu - Dismiss button", function (needs) {
 
     assert.strictEqual(
       query(
-        ".dismiss-notification-confirmation .modal-body"
+        ".dismiss-notification-confirmation .d-modal__body"
       ).textContent.trim(),
       I18n.t("notifications.dismiss_confirmation.body.messages", {
         count: 89,
@@ -1041,7 +1041,7 @@ acceptance("User menu - Dismiss button", function (needs) {
     );
     assert.notOk(markRead, "mark-read request isn't sent");
 
-    await click(".modal-footer .btn-primary"); // confirm dismiss on the dismiss modal
+    await click(".d-modal__footer .btn-primary"); // confirm dismiss on the dismiss modal
 
     assert.notOk(
       exists("#quick-access-messages ul li.notification"),
diff --git a/app/assets/javascripts/discourse/tests/acceptance/user-preferences-account-test.js b/app/assets/javascripts/discourse/tests/acceptance/user-preferences-account-test.js
index e1eb9f6f760..094582c69d9 100644
--- a/app/assets/javascripts/discourse/tests/acceptance/user-preferences-account-test.js
+++ b/app/assets/javascripts/discourse/tests/acceptance/user-preferences-account-test.js
@@ -295,7 +295,7 @@ acceptance("User Preferences - Account", function (needs) {
     );
 
     await click("#gravatar");
-    await click(".modal-footer .btn");
+    await click(".d-modal__footer .btn");
 
     assert.deepEqual(
       pickAvatarRequestData,
diff --git a/app/assets/javascripts/discourse/tests/acceptance/user-preferences-account-user-status-test.js b/app/assets/javascripts/discourse/tests/acceptance/user-preferences-account-user-status-test.js
index 5fbd3a50b94..545cb76f546 100644
--- a/app/assets/javascripts/discourse/tests/acceptance/user-preferences-account-user-status-test.js
+++ b/app/assets/javascripts/discourse/tests/acceptance/user-preferences-account-user-status-test.js
@@ -21,7 +21,7 @@ async function setStatus(status) {
   await openUserStatusModal();
   await pickEmoji(status.emoji);
   await fillIn(".user-status-description", status.description);
-  await click(".modal-footer .btn-primary"); // save and close modal
+  await click(".d-modal__footer .btn-primary"); // save and close modal
 }
 
 acceptance("User Profile - Account - User Status", function (needs) {
diff --git a/app/assets/javascripts/discourse/tests/acceptance/user-test.js b/app/assets/javascripts/discourse/tests/acceptance/user-test.js
index 0c14fa03ffb..20f67acc58c 100644
--- a/app/assets/javascripts/discourse/tests/acceptance/user-test.js
+++ b/app/assets/javascripts/discourse/tests/acceptance/user-test.js
@@ -323,7 +323,7 @@ acceptance(
       );
       await durationDropdown.expand();
       await durationDropdown.selectRowByIndex(0);
-      await click(".modal-footer .btn-primary");
+      await click(".d-modal__footer .btn-primary");
       await notificationLevelDropdown.expand();
       assert.strictEqual(
         notificationLevelDropdown.selectedRow().value(),
diff --git a/app/assets/javascripts/discourse/tests/integration/components/d-modal-test.gjs b/app/assets/javascripts/discourse/tests/integration/components/d-modal-test.gjs
index 422c534600a..f7c5d0a9b19 100644
--- a/app/assets/javascripts/discourse/tests/integration/components/d-modal-test.gjs
+++ b/app/assets/javascripts/discourse/tests/integration/components/d-modal-test.gjs
@@ -1,8 +1,9 @@
 import { tracked } from "@glimmer/tracking";
 import { on } from "@ember/modifier";
 import { action } from "@ember/object";
-import { click, render, settled } from "@ember/test-helpers";
+import { click, render, settled, triggerKeyEvent } from "@ember/test-helpers";
 import { module, test } from "qunit";
+import DButton from "discourse/components/d-button";
 import DModal from "discourse/components/d-modal";
 import { setupRenderingTest } from "discourse/tests/helpers/component-test";
 
@@ -17,8 +18,8 @@ module("Integration | Component | d-modal", function (hooks) {
         @subtitle="Modal Subtitle"
       />
     </template>);
-    assert.dom(".d-modal .title h3").hasText("Modal Title");
-    assert.dom(".d-modal .subtitle").hasText("Modal Subtitle");
+    assert.dom(".d-modal .d-modal__title-text").hasText("Modal Title");
+    assert.dom(".d-modal .d-modal__subtitle-text").hasText("Modal Subtitle");
   });
 
   test("named blocks", async function (assert) {
@@ -104,8 +105,8 @@ module("Integration | Component | d-modal", function (hooks) {
       />
     </template>);
 
-    assert.dom(".d-modal .modal-header").hasClass("my-header-class");
-    assert.dom(".d-modal .modal-body").hasClass("my-body-class");
+    assert.dom(".d-modal .d-modal__header").hasClass("my-header-class");
+    assert.dom(".d-modal .d-modal__body").hasClass("my-body-class");
   });
 
   test("as a form", async function (assert) {
@@ -130,4 +131,30 @@ module("Integration | Component | d-modal", function (hooks) {
     await click(".d-modal button[type=submit]");
     assert.deepEqual(submittedFormData.get("name"), "John Doe");
   });
+
+  test("default action on enter", async function (assert) {
+    let actionCalled = false;
+    const someAction = () => {
+      actionCalled = true;
+    };
+
+    await render(<template>
+      <DModal @inline={{true}}>
+        <:body>
+          body content
+        </:body>
+        <:footer>
+          <DButton
+            @action={{someAction}}
+            @translatedLabel="Perform action"
+            class="btn-primary"
+          />
+        </:footer>
+      </DModal>
+    </template>);
+
+    await triggerKeyEvent(".d-modal__body", "keydown", "Enter");
+
+    assert.true(actionCalled, "pressing enter triggers the default button");
+  });
 });
diff --git a/app/assets/stylesheets/common/base/alert.scss b/app/assets/stylesheets/common/base/alert.scss
index b032f67129c..36864a6a63d 100644
--- a/app/assets/stylesheets/common/base/alert.scss
+++ b/app/assets/stylesheets/common/base/alert.scss
@@ -10,6 +10,7 @@
     position: absolute;
     top: 0.265em;
     right: 0.66em;
+    padding: 0;
     .d-icon {
       color: var(--primary-medium);
     }
diff --git a/app/assets/stylesheets/common/base/login.scss b/app/assets/stylesheets/common/base/login.scss
index 65227e1ca93..682fd556d23 100644
--- a/app/assets/stylesheets/common/base/login.scss
+++ b/app/assets/stylesheets/common/base/login.scss
@@ -1,46 +1,10 @@
-.caps-lock-warning {
-  color: var(--danger);
-  font-size: var(--font-down-1);
-  font-weight: bold;
-  margin-top: 0.5em;
-}
-
-.discourse-no-touch #login-form {
-  margin: 0;
-}
-
-.discourse-touch .caps-lock-warning {
-  display: none;
-}
-
-#discourse-modal.login-modal-body:not(.has-alt-auth) .modal-inner-container {
-  max-width: 28em; // prevents long alerts from expanding the modal width
-}
-
-.login-modal:not(.hidden).has-alt-auth.no-local-login {
-  min-width: fit-content;
-  background: var(--secondary);
-  #login-buttons:not(.hidden) {
-    .btn.btn-social,
-    .btn {
-      border: 1px solid var(--primary-low-mid);
-      &:hover,
-      &:focus {
-        background: var(--primary-very-low);
-      }
-    }
-  }
-}
-
 body.invite-page {
   background-color: var(--primary-50);
   font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
     Oxygen-Sans, Ubuntu, Cantarell, Arial, sans-serif;
 }
 
-// Create Account + Login
-.d-modal.create-account,
-.d-modal.login-modal,
+.invites-show,
 .admin-invite-page {
   .modal-inner-container {
     position: relative;
@@ -72,214 +36,11 @@ body.invite-page {
     overflow: hidden;
     display: inline;
   }
-  .login-welcome-header {
-    display: grid;
-    grid-template-columns: auto 1fr;
-    grid-template-rows: auto 1fr;
-    max-width: 33em;
-    word-break: break-word;
-    .login-title {
-      margin-bottom: 0;
-    }
-    .login-subheader {
-      align-self: start;
-      grid-row-start: 2;
-      margin: 0;
-    }
-    .waving-hand {
-      width: 35px;
-      height: 35px;
-      margin-left: 0.5em;
-      align-self: center;
-    }
-  }
-  #login-buttons {
-    .btn {
-      background-color: #ffffff;
-      color: #000000;
-      justify-content: flex-start;
-      min-width: fit-content;
-      margin-bottom: 0.5em;
-    }
-  }
   .modal-footer {
     .inline-spinner {
       display: inline-flex;
     }
   }
-  .modal-body.no-local-login + .modal-footer {
-    display: none;
-  }
-  &.awaiting-approval {
-    display: none;
-  }
-
-  .no-local-logins {
-    // when third-party auth is available, but not local logins
-    .login-left-side,
-    .login-welcome-header {
-      padding: 3em 1em 3em 3em;
-    }
-  }
-}
-
-// Login Form Styles
-.login-modal:not(.hidden),
-.create-account,
-.invites-show {
-  #login-form,
-  .login-form,
-  .invite-form {
-    .input-group {
-      position: relative;
-      display: flex;
-      flex-direction: column;
-      margin-bottom: 0.8em;
-      input,
-      .select-kit-header {
-        padding: 0.75em 0.77em;
-        min-width: 250px;
-        box-shadow: none;
-        margin-bottom: 0.25em;
-        width: 100%;
-      }
-      input:focus {
-        outline: none;
-        border: 1px solid var(--tertiary);
-        box-shadow: 0 0 0 2px rgba(var(--tertiary-rgb), 0.25);
-      }
-      input:disabled {
-        background-color: var(--primary-low);
-      }
-      span.more-info {
-        color: var(--primary-medium);
-        min-height: 1.4em; // prevents height increase due to tips
-      }
-      label.alt-placeholder,
-      .user-field.text label.control-label,
-      .user-field.dropdown label.control-label,
-      .user-field.multiselect label.control-label {
-        color: var(--primary-medium);
-        font-size: 16px;
-        font-weight: normal;
-        position: absolute;
-        pointer-events: none;
-        left: 1em;
-        top: 10px;
-        box-shadow: 0 0 0 0px rgba(var(--tertiary-rgb), 0);
-        transition: 0.2s ease all;
-      }
-      .user-field.text label.control-label,
-      .user-field.dropdown label.control-label,
-      .user-field.multiselect label.control-label {
-        z-index: 999;
-        top: -8px;
-        left: calc(1em - 0.25em);
-        background-color: var(--secondary);
-        font-size: $font-down-1;
-      }
-      .user-field.text:focus-within,
-      .user-field.dropdown:focus-within,
-      .user-field.multiselect:focus-within {
-        z-index: 1000; // ensures the active input is always on top of sibling input labels
-      }
-      input:focus + label.alt-placeholder,
-      input.value-entered + label.alt-placeholder {
-        top: -8px;
-        left: calc(1em - 0.25em);
-        background-color: var(--secondary);
-        padding: 0 0.25em 0 0.25em;
-        font-size: var(--font-down-1);
-      }
-      input.alt-placeholder:invalid {
-        color: var(--primary);
-      }
-
-      #email-login-link {
-        transition: opacity 0.5s;
-
-        &.no-login-filled {
-          opacity: 0;
-          visibility: hidden;
-        }
-      }
-
-      #email-login-link,
-      .login__password-links {
-        font-size: var(--font-down-1);
-        display: flex;
-        justify-content: space-between;
-      }
-
-      .tip:not(:empty) + label.more-info {
-        display: none;
-      }
-    }
-
-    #second-factor {
-      input {
-        width: 100%;
-        padding: 0.75em 0.5em;
-        min-width: 250px;
-        box-shadow: none;
-        margin-bottom: 2em;
-      }
-      input:focus {
-        outline: none;
-        border: 1px solid var(--tertiary);
-        box-shadow: 0 0 0 2px rgba(var(--tertiary-rgb), 0.25);
-      }
-    }
-
-    // user fields input groups will
-    // be styled differently
-    .user-fields .input-group {
-      .user-field {
-        &.text {
-          &.value-entered label.control-label {
-            top: -8px;
-            left: calc(1em - 0.25em);
-            background-color: var(--secondary);
-            padding: 0 0.25em 0 0.25em;
-            font-size: 14px;
-            color: var(--primary-medium);
-          }
-          label.control-label {
-            color: var(--primary-medium);
-            font-size: 16px;
-            position: absolute;
-            pointer-events: none;
-            left: 1em;
-            top: 12px;
-            transition: 0.2s ease all;
-            max-width: calc(100% - 2em);
-            white-space: nowrap;
-            display: inline-block;
-            overflow: hidden;
-            text-overflow: ellipsis;
-          }
-        }
-        details:not(.has-selection) span.name,
-        details:not(.has-selection) span.formatted-selection {
-          color: var(--primary-medium);
-        }
-        .select-kit-row span.name {
-          color: var(--primary);
-        }
-        .select-kit.combo-box.is-expanded summary {
-          outline: none;
-          border: 1px solid var(--tertiary);
-          box-shadow: 0 0 0 2px rgba(var(--tertiary-rgb), 0.25);
-        }
-        .controls .checkbox-label {
-          input[type="checkbox"].ember-checkbox {
-            width: 1em !important;
-            min-width: unset;
-          }
-        }
-      }
-    }
-  }
 }
 
 #login-link,
@@ -289,36 +50,6 @@ body.invite-page {
   // the second button can wrap in some locales, and this helps alignment
 }
 
-.create-account {
-  .disclaimer {
-    color: var(--primary-medium);
-    margin-bottom: 0.5em;
-  }
-
-  @media screen and (min-width: 701px) {
-    .modal-body {
-      max-width: 40em;
-    }
-  }
-
-  .user-field {
-    input[type="text"] {
-      margin-bottom: 0;
-      width: 100%;
-    }
-    .select-kit {
-      width: 100%;
-    }
-    .controls {
-      .instructions {
-        margin-top: 0.15em;
-        color: var(--primary-medium);
-        line-height: var(--line-height-medium);
-      }
-    }
-  }
-}
-
 .password-reset {
   .instructions {
     label {
@@ -354,14 +85,6 @@ body.invite-page {
   }
 }
 
-// alternate login / create new account buttons should be de-emphasized
-
-button#login-link,
-button#new-account-link {
-  background: transparent;
-  color: var(--primary-high);
-}
-
 #security-key {
   display: flex;
   flex-wrap: wrap;
@@ -414,8 +137,3 @@ button#new-account-link {
     }
   }
 }
-
-.create-account__password-info {
-  display: flex;
-  justify-content: space-between;
-}
diff --git a/app/assets/stylesheets/common/base/modal.scss b/app/assets/stylesheets/common/base/modal.scss
index adaf8e0a52f..2153b2fbe68 100644
--- a/app/assets/stylesheets/common/base/modal.scss
+++ b/app/assets/stylesheets/common/base/modal.scss
@@ -1,5 +1,104 @@
 // Modal wrappers
 
+.d-modal {
+  pointer-events: none; // Allow clicks through wrappers so they hit the adjacent backdrop element
+
+  &__wrapper {
+    display: flex;
+    align-items: center;
+    width: 100%;
+    height: 100%;
+    position: fixed;
+    top: 0;
+    z-index: z("modal", "content");
+    overflow: auto;
+
+    .-inline & {
+      position: relative;
+    }
+
+    html.keyboard-visible body.ios-safari-composer-hacks & {
+      height: calc(var(--composer-vh, 1vh) * 100);
+    }
+  }
+
+  &__container {
+    display: flex;
+    flex-direction: column;
+    pointer-events: auto;
+    box-sizing: border-box;
+    margin: 0 auto;
+    max-height: 80vh;
+    background-color: var(--secondary);
+    box-shadow: var(--shadow-modal);
+  }
+
+  &__header {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    padding: 0.5rem 0.5rem 0.5rem 1.5rem; //offset for close button padding
+    border-bottom: 1px solid var(--primary-low);
+
+    .modal-close .d-icon {
+      font-size: var(--font-up-2);
+      color: var(--primary-high);
+    }
+  }
+
+  &__title-text,
+  &__subtitle-text {
+    margin: 0;
+  }
+
+  &__body {
+    overflow-y: auto;
+    padding: 1rem 1.5rem;
+
+    input {
+      width: auto;
+
+      &[type="text"] {
+        width: 100%;
+      }
+    }
+    textarea {
+      width: 100%;
+      height: 80px;
+    }
+    pre code {
+      white-space: pre-wrap;
+      max-width: 100%;
+    }
+  }
+  &__footer {
+    display: flex;
+    flex-wrap: wrap;
+    align-items: center;
+    padding: 1rem 1.5rem;
+    border-top: 1px solid var(--primary-low);
+    gap: 0.5rem;
+  }
+  &__backdrop {
+    user-select: none;
+    position: fixed;
+    top: 0;
+    right: 0;
+    bottom: 0;
+    left: 0;
+    z-index: z("modal", "overlay");
+    background-color: #000;
+    animation: fade 0.3s forwards;
+    filter: alpha(opacity=70);
+
+    @media (prefers-reduced-motion) {
+      animation-duration: 0s;
+    }
+  }
+}
+
+//legacy
+
 .fixed-modal:not(#discourse-modal) {
   // new <DModal /> only, not <DModalLegacy />
   pointer-events: none; // Allow clicks through wrappers so they hit the adjacent backdrop element
@@ -119,7 +218,7 @@
     opacity: 0;
   }
   to {
-    opacity: 0.9;
+    opacity: 0.7;
   }
 }
 
@@ -518,7 +617,7 @@
   max-height: 450px;
   .flag-action-type-details {
     width: 100%;
-    max-width: 500px;
+    // max-width: 500px;
     line-height: var(--line-height-large);
   }
 }
@@ -532,143 +631,6 @@
   font-size: var(--font-down-1);
 }
 
-.jump-to-post-modal {
-  .modal-inner-container {
-    max-width: 350px;
-  }
-  .modal-body {
-    overflow-y: visible;
-    #post-jump {
-      margin: 0;
-      width: 100px;
-    }
-
-    .date-picker {
-      margin: 0;
-      width: 180px;
-    }
-
-    .input-hint-text {
-      color: var(--primary);
-    }
-
-    .jump-to-post-control .index {
-      color: var(--primary-medium);
-    }
-
-    .jump-to-date-control {
-      display: flex;
-      align-items: center;
-      .input-hint-text {
-        margin-left: 0;
-        margin-right: 0.5em;
-      }
-    }
-
-    .separator {
-      display: flex;
-      align-items: center;
-      margin: 0.5em auto;
-
-      hr {
-        flex: 1 0 0px;
-      }
-
-      .text {
-        margin: 0 0.5em 0 0;
-        color: var(--primary-medium);
-      }
-    }
-  }
-}
-
-// move-to topic modal
-.choose-topic-modal {
-  #split-topic-name,
-  #choose-topic-title,
-  #choose-message-title {
-    width: 100%;
-  }
-
-  .category-chooser {
-    margin-bottom: 9px;
-    width: 100% !important;
-    .category-row {
-      max-width: 485px;
-    }
-  }
-
-  .controls.existing-topic {
-    margin-bottom: 0.75em;
-  }
-
-  // move to existing topic
-  .existing-topic {
-    .radio {
-      flex-wrap: wrap;
-    }
-    .topic-title {
-      max-width: 90%;
-    }
-    .topic-categories {
-      display: flex;
-      font-weight: normal;
-      gap: 0.5em;
-      width: 100%;
-    }
-  }
-
-  #choosing-topic {
-    form {
-      hr {
-        margin-bottom: 0.5em;
-      }
-    }
-  }
-}
-
-.publish-page-modal {
-  .modal-body {
-    p.publish-description {
-      margin-top: 0;
-    }
-    input.publish-slug {
-      width: 100%;
-    }
-
-    .publish-url {
-      margin-bottom: 1em;
-      .example-url,
-      .invalid-slug {
-        font-weight: bold;
-      }
-    }
-
-    .publish-slug:disabled {
-      cursor: not-allowed;
-    }
-
-    .controls {
-      margin-bottom: 1em;
-
-      .description {
-        margin: 0;
-        display: flex;
-        align-items: center;
-      }
-    }
-  }
-
-  .modal-footer {
-    display: flex;
-
-    .close-publish-page {
-      margin-left: auto;
-      margin-right: 0;
-    }
-  }
-}
-
 .ignore-duration-with-username-modal {
   .future-date-input {
     margin-top: 1em;
@@ -713,26 +675,6 @@
   }
 }
 
-.topic-bulk-actions-modal {
-  .modal-inner-container {
-    min-width: 0;
-    width: 100%;
-  }
-  p {
-    margin-top: 0;
-  }
-  .bulk-buttons {
-    display: grid;
-    grid-template-columns: repeat(auto-fit, minmax(12em, 1fr));
-    gap: 0.5em;
-    max-width: 100%;
-    min-width: 0;
-    .d-button-label {
-      @include ellipsis;
-    }
-  }
-}
-
 .bulk-notification-list {
   margin-bottom: 1.5em;
 }
@@ -747,34 +689,6 @@
   }
 }
 
-.modal.edit-slow-mode-modal {
-  .slow-mode-label {
-    display: inline-flex;
-  }
-
-  .alert.alert-info {
-    margin-bottom: 0;
-  }
-
-  .input-small {
-    width: 10%;
-  }
-}
-
-.group-add-members-modal {
-  .input-group {
-    margin-bottom: 0.5em;
-
-    &:last-child {
-      margin-bottom: 0;
-    }
-  }
-
-  .user-chooser {
-    width: calc(100%);
-  }
-}
-
 .modal-body .codeblock-buttons {
   margin: 0;
 
diff --git a/app/assets/stylesheets/common/base/share_link.scss b/app/assets/stylesheets/common/base/share_link.scss
index d80ab2dd6d9..33103922bf4 100644
--- a/app/assets/stylesheets/common/base/share_link.scss
+++ b/app/assets/stylesheets/common/base/share_link.scss
@@ -43,32 +43,6 @@
   }
 }
 
-// topic share modal
-
-.share-topic-modal {
-  .modal-header {
-    .subtitle {
-      color: var(--primary-med-or-secondary-med);
-    }
-  }
-
-  form {
-    margin-bottom: 0;
-  }
-
-  .invite-users {
-    display: flex;
-    flex-direction: column;
-    margin: 1.5em 0 0.25em;
-    width: 100%;
-
-    button {
-      margin-top: 0;
-      margin-right: 0;
-    }
-  }
-}
-
 // topic invite modal
 
 .create-invite-modal {
diff --git a/app/assets/stylesheets/common/components/bookmark-modal.scss b/app/assets/stylesheets/common/components/bookmark-modal.scss
index 91ffd0deb9b..936a6ac969b 100644
--- a/app/assets/stylesheets/common/components/bookmark-modal.scss
+++ b/app/assets/stylesheets/common/components/bookmark-modal.scss
@@ -1,44 +1,25 @@
-.bookmark-with-reminder.modal {
-  .modal-inner-container {
-    box-sizing: border-box;
-    min-width: 310px;
-  }
+.bookmark-reminder-modal {
+  .d-modal {
+    &__body {
+      box-sizing: border-box;
 
-  .modal-footer {
-    margin: 0;
+      .control-label {
+        font-weight: 700;
+      }
 
-    .delete-bookmark {
-      margin-left: auto;
-      margin-right: 0;
+      .ember-text-field.bookmark-name {
+        width: 100%;
+        margin-bottom: 0.5em;
+      }
     }
-  }
+    &__footer {
+      margin: 0;
 
-  .modal-inner-container {
-    max-width: 375px;
-  }
-
-  .modal-body {
-    width: 375px;
-    box-sizing: border-box;
-    max-height: 70dvh;
-
-    @media (max-width: 600px) {
-      width: 100%;
+      .delete-bookmark {
+        margin-left: auto;
+        margin-right: 0;
+      }
     }
-
-    .control-label {
-      font-weight: 700;
-    }
-
-    .ember-text-field.bookmark-name {
-      min-width: 220px;
-      width: 100%;
-      margin-bottom: 0.5em;
-    }
-  }
-
-  .title {
-    max-width: 300px;
   }
 
   .existing-reminder-at-alert {
diff --git a/app/assets/stylesheets/common/components/buttons.scss b/app/assets/stylesheets/common/components/buttons.scss
index 785885e3d6f..81639caede9 100644
--- a/app/assets/stylesheets/common/components/buttons.scss
+++ b/app/assets/stylesheets/common/components/buttons.scss
@@ -322,9 +322,8 @@
     }
   }
   &.close {
-    padding: 0;
     background: transparent;
-    font-size: var(--font-up-3);
+    font-size: var(--font-up-2);
     .d-icon {
       color: var(--primary-high);
     }
@@ -337,6 +336,12 @@
         }
       }
     }
+    &:focus {
+      background: transparent;
+      .d-icon {
+        color: var(--primary);
+      }
+    }
   }
   &.btn-text {
     color: var(--tertiary);
diff --git a/app/assets/stylesheets/common/modal/_index.scss b/app/assets/stylesheets/common/modal/_index.scss
index 55cdf63b411..0884805a4b1 100644
--- a/app/assets/stylesheets/common/modal/_index.scss
+++ b/app/assets/stylesheets/common/modal/_index.scss
@@ -1 +1,3 @@
+@import "login-modal";
+@import "modal-overrides";
 @import "user-status";
diff --git a/app/assets/stylesheets/common/modal/login-modal.scss b/app/assets/stylesheets/common/modal/login-modal.scss
new file mode 100644
index 00000000000..01271d8f6d0
--- /dev/null
+++ b/app/assets/stylesheets/common/modal/login-modal.scss
@@ -0,0 +1,299 @@
+/* 
+* shared styles
+*/
+.d-modal.login-modal,
+.d-modal.create-account {
+  &.awaiting-approval {
+    display: none;
+  }
+
+  .d-modal {
+    &__container {
+      position: relative;
+    }
+    &__header {
+      border-bottom: none;
+      padding: 0;
+      position: absolute;
+      top: 0.75em;
+      right: 0.75em;
+      z-index: z("max");
+    }
+    &__body {
+      display: flex;
+      gap: 2rem;
+      padding: 0;
+    }
+    &__footer {
+      flex-wrap: nowrap;
+      padding: 0;
+      border: 0;
+
+      .inline-spinner {
+        display: inline-flex;
+      }
+    }
+  }
+
+  .login-subheader {
+    font-size: var(--font-up-1);
+    margin: 0;
+  }
+
+  .login-left-side {
+    padding: 3rem;
+  }
+
+  .login-welcome-header {
+    display: grid;
+    grid-template-columns: auto 1fr;
+    grid-template-rows: auto 1fr;
+    overflow-wrap: anywhere;
+  }
+
+  .login-title {
+    font-size: var(--font-up-6);
+    margin: 0;
+  }
+
+  .waving-hand {
+    width: 35px;
+    height: 35px;
+    margin-left: 0.5em;
+    align-self: center;
+  }
+
+  .login-right-side {
+    background: var(--tertiary-or-tertiary-low);
+    padding: 3.5rem 3rem;
+  }
+
+  #login-buttons {
+    display: flex;
+    flex-direction: column;
+    justify-content: center;
+    gap: 1rem;
+    height: 100%;
+  }
+
+  #login-form {
+    margin: 3em 0 2em 0;
+  }
+
+  .tip {
+    &.bad {
+      color: var(--danger);
+      display: block;
+    }
+  }
+
+  .caps-lock-warning {
+    color: var(--danger);
+    font-size: var(--font-down-1);
+    font-weight: bold;
+    margin-top: 0.5em;
+  }
+
+  #modal-alert {
+    box-sizing: border-box;
+    display: inline-block;
+    // if you want to use flexbox here make sure child elements like <b> don't cause line breaks
+    padding: 1em 3.5em 1em 1em; // large right padding to make sure long text isn't under the close button
+    width: 100%;
+    max-width: 100%;
+    margin-bottom: 0;
+    min-height: 35px;
+
+    &:empty {
+      min-height: 0px;
+      padding: 0px;
+      overflow: hidden;
+      display: inline;
+    }
+  }
+}
+/* end shared styles */
+
+.d-modal.create-account {
+  .d-modal {
+    &__footer {
+      flex-direction: column;
+      align-items: flex-start;
+    }
+    &__footer-buttons {
+      display: flex;
+      flex-wrap: wrap;
+      align-items: center;
+      gap: 0.5rem;
+    }
+  }
+
+  .disclaimer {
+    color: var(--primary-medium);
+    margin-bottom: 0.5em;
+  }
+
+  .create-account__password-info {
+    display: flex;
+    justify-content: space-between;
+  }
+}
+
+// Login Form Styles
+.login-modal,
+.create-account,
+.invites-show {
+  #login-form,
+  .login-form,
+  .invite-form {
+    .input-group {
+      position: relative;
+      display: flex;
+      flex-direction: column;
+      margin-bottom: 0.8em;
+      input,
+      .select-kit-header {
+        padding: 0.75em 0.77em;
+        min-width: 250px;
+        margin-bottom: 0.25em;
+        width: 100%;
+      }
+      input:focus {
+        outline: none;
+        border: 1px solid var(--tertiary);
+        box-shadow: 0 0 0 2px rgba(var(--tertiary-rgb), 0.25);
+      }
+      input:disabled {
+        background-color: var(--primary-low);
+      }
+      span.more-info {
+        color: var(--primary-medium);
+        min-height: 1.4em; // prevents height increase due to tips
+        overflow-wrap: anywhere;
+      }
+      label.alt-placeholder,
+      .user-field.text label.control-label,
+      .user-field.dropdown label.control-label,
+      .user-field.multiselect label.control-label {
+        color: var(--primary-medium);
+        font-size: 16px;
+        font-weight: normal;
+        position: absolute;
+        pointer-events: none;
+        left: 1em;
+        top: 10px;
+        box-shadow: 0 0 0 0px rgba(var(--tertiary-rgb), 0);
+        transition: 0.2s ease all;
+      }
+      .user-field.text label.control-label,
+      .user-field.dropdown label.control-label,
+      .user-field.multiselect label.control-label {
+        z-index: 999;
+        top: -8px;
+        left: calc(1em - 0.25em);
+        background-color: var(--secondary);
+        padding: 0 0.25em 0 0.25em;
+        font-size: $font-down-1;
+      }
+      .user-field.text:focus-within,
+      .user-field.dropdown:focus-within,
+      .user-field.multiselect:focus-within {
+        z-index: 1000; // ensures the active input is always on top of sibling input labels
+      }
+      input:focus + label.alt-placeholder,
+      input.value-entered + label.alt-placeholder {
+        top: -8px;
+        left: calc(1em - 0.25em);
+        background-color: var(--secondary);
+        padding: 0 0.25em 0 0.25em;
+        font-size: var(--font-down-1);
+      }
+      input.alt-placeholder:invalid {
+        color: var(--primary);
+      }
+
+      #email-login-link {
+        transition: opacity 0.5s;
+
+        &.no-login-filled {
+          opacity: 0;
+          visibility: hidden;
+        }
+      }
+
+      #email-login-link,
+      .login__password-links {
+        font-size: var(--font-down-1);
+        display: flex;
+        justify-content: space-between;
+      }
+
+      .tip:not(:empty) + label.more-info {
+        display: none;
+      }
+    }
+
+    #second-factor {
+      input {
+        width: 100%;
+        padding: 0.75em 0.5em;
+        min-width: 250px;
+        box-shadow: none;
+      }
+      input:focus {
+        outline: none;
+        border: 1px solid var(--tertiary);
+        box-shadow: 0 0 0 2px rgba(var(--tertiary-rgb), 0.25);
+      }
+    }
+
+    // user fields input groups will
+    // be styled differently
+    .user-fields .input-group {
+      .user-field {
+        &.text {
+          &.value-entered label.control-label {
+            top: -8px;
+            left: calc(1em - 0.25em);
+            background-color: var(--secondary);
+            padding: 0 0.25em 0 0.25em;
+            font-size: 14px;
+            color: var(--primary-medium);
+          }
+          label.control-label {
+            color: var(--primary-medium);
+            font-size: 16px;
+            position: absolute;
+            pointer-events: none;
+            left: 1em;
+            top: 12px;
+            transition: 0.2s ease all;
+            max-width: calc(100% - 2em);
+            white-space: nowrap;
+            display: inline-block;
+            overflow: hidden;
+            text-overflow: ellipsis;
+          }
+        }
+        details:not(.has-selection) span.name,
+        details:not(.has-selection) span.formatted-selection {
+          color: var(--primary-medium);
+        }
+        .select-kit-row span.name {
+          color: var(--primary);
+        }
+        .select-kit.combo-box.is-expanded summary {
+          outline: none;
+          border: 1px solid var(--tertiary);
+          box-shadow: 0 0 0 2px rgba(var(--tertiary-rgb), 0.25);
+        }
+        .controls .checkbox-label {
+          input[type="checkbox"].ember-checkbox {
+            width: 1em !important;
+            min-width: unset;
+          }
+        }
+      }
+    }
+  }
+}
diff --git a/app/assets/stylesheets/common/modal/modal-overrides.scss b/app/assets/stylesheets/common/modal/modal-overrides.scss
new file mode 100644
index 00000000000..67d4040fa56
--- /dev/null
+++ b/app/assets/stylesheets/common/modal/modal-overrides.scss
@@ -0,0 +1,310 @@
+.d-modal.insert-hyperlink-modal {
+  .insert-link {
+    overflow-y: visible;
+    input {
+      min-width: 300px;
+    }
+
+    .inputs {
+      position: relative;
+      .spinner {
+        position: absolute;
+        right: 8px;
+        top: -15px;
+        width: 10px;
+        height: 10px;
+      }
+      .internal-link-results {
+        position: absolute;
+        top: 70%;
+        padding: 5px 10px;
+        box-shadow: var(--shadow-card);
+        z-index: 5;
+        background-color: var(--secondary);
+        max-height: 150px;
+        width: 90%;
+        overflow-y: auto;
+        > .search-link {
+          padding: 6px;
+          border-bottom: 1px solid var(--primary-low);
+          cursor: pointer;
+          display: block;
+          &:hover,
+          &:focus {
+            background-color: var(--highlight-bg);
+          }
+          .search-category {
+            display: flex;
+            align-items: center;
+          }
+          .discourse-tags {
+            font-size: var(--font-down-1);
+          }
+        }
+      }
+    }
+  }
+}
+
+.sidebar-section-form-modal {
+  .sidebar-section-form-link {
+    .select-kit {
+      width: 100%;
+    }
+  }
+}
+
+.jump-to-post-modal {
+  .modal-body,
+  .d-modal__body {
+    overflow-y: visible;
+    #post-jump {
+      margin: 0;
+      width: 100px;
+    }
+
+    .date-picker {
+      margin: 0;
+      width: 180px;
+    }
+
+    .input-hint-text {
+      color: var(--primary);
+    }
+
+    .jump-to-post-control .index {
+      color: var(--primary-medium);
+    }
+
+    .jump-to-date-control {
+      display: flex;
+      align-items: center;
+      .input-hint-text {
+        margin-left: 0;
+        margin-right: 0.5em;
+      }
+    }
+
+    .separator {
+      position: relative;
+      margin: 0.5em auto;
+
+      hr {
+        flex: 1 0 0px;
+      }
+
+      .text {
+        position: absolute;
+        top: 50%;
+        left: 50%;
+        transform: translate(-50%, -50%);
+        background: var(--secondary);
+        padding: 0.25rem 0.5rem;
+        color: var(--primary-medium);
+      }
+    }
+  }
+}
+
+.d-modal.choose-topic-modal {
+  .d-modal {
+    &__container {
+      width: 40em; //fixed width to avoid jumps when switching to different views
+    }
+  }
+  #split-topic-name,
+  #choose-topic-title,
+  #choose-message-title {
+    width: 100%;
+  }
+
+  .category-chooser {
+    margin-bottom: 9px;
+  }
+
+  .controls.existing-topic {
+    margin-bottom: 0.75em;
+  }
+
+  // move to existing topic
+  .existing-topic {
+    .radio {
+      flex-wrap: wrap;
+    }
+    .topic-title {
+      max-width: 90%;
+    }
+    .topic-categories {
+      display: flex;
+      font-weight: normal;
+      gap: 0.5em;
+      width: 100%;
+    }
+  }
+
+  #choosing-topic {
+    form {
+      hr {
+        margin-bottom: 0.5em;
+      }
+    }
+  }
+}
+
+.d-modal.publish-page-modal {
+  .d-modal {
+    &__body {
+      p.publish-description {
+        margin-top: 0;
+      }
+
+      .publish-url {
+        margin-bottom: 1em;
+        .example-url,
+        .invalid-slug {
+          font-weight: bold;
+        }
+      }
+
+      .publish-slug:disabled {
+        cursor: not-allowed;
+      }
+
+      .controls {
+        margin-bottom: 1em;
+
+        .description {
+          margin: 0;
+          display: flex;
+          align-items: center;
+
+          input[type="checkbox"] {
+            margin-top: 0;
+          }
+        }
+      }
+    }
+
+    &__footer {
+      display: flex;
+
+      .close-publish-page {
+        margin-left: auto;
+        margin-right: 0;
+      }
+    }
+  }
+}
+
+.d-modal.topic-bulk-actions-modal {
+  .d-modal {
+    &__container {
+      min-width: 0;
+      width: 100%;
+    }
+  }
+  p {
+    margin-top: 0;
+  }
+  .bulk-buttons {
+    display: grid;
+    grid-template-columns: repeat(auto-fit, minmax(12em, 1fr));
+    gap: 0.5em;
+    max-width: 100%;
+    min-width: 0;
+    .d-button-label {
+      @include ellipsis;
+    }
+  }
+}
+
+.d-modal.edit-slow-mode-modal {
+  .slow-mode-label {
+    display: inline-flex;
+  }
+
+  .alert.alert-info {
+    margin-bottom: 0;
+  }
+
+  .input-small {
+    width: 10%;
+  }
+}
+
+.d-modal.group-add-members-modal {
+  .input-group {
+    margin-bottom: 0.5em;
+
+    &:last-child {
+      margin-bottom: 0;
+    }
+  }
+
+  .user-chooser {
+    width: calc(100%);
+  }
+}
+
+.d-modal.share-topic-modal {
+  .d-modal {
+    &__title {
+      display: flex;
+      align-items: center;
+      gap: 0.5rem;
+    }
+
+    &__subtitle-text {
+      color: var(--primary-med-or-secondary-med);
+    }
+  }
+
+  form {
+    margin-bottom: 0;
+  }
+}
+
+.d-modal.chat-modal-new-message {
+  .d-modal {
+    &__wrapper {
+      align-items: flex-start;
+    }
+    &__container {
+      width: var(--modal-max-width);
+      margin-top: 1rem;
+    }
+    &__body {
+      padding: 0;
+
+      input {
+        width: auto;
+      }
+    }
+  }
+
+  .chat-message-creator {
+    &__add-members-header-container {
+      padding-inline: 1rem 0.5rem;
+    }
+    &__add-members-header {
+      align-items: center;
+    }
+    &__members {
+      min-height: unset;
+      padding: 0.25rem 0.5rem;
+    }
+    &__add-members__close-btn {
+      margin-top: 0;
+      height: 33px;
+    }
+  }
+
+  @media screen and (max-width: 768px) {
+    .d-modal {
+      &__container {
+        width: 100%;
+        margin-top: 0;
+      }
+    }
+  }
+}
diff --git a/app/assets/stylesheets/common/modal/user-status.scss b/app/assets/stylesheets/common/modal/user-status.scss
index ee89ac54796..39fbcd26a15 100644
--- a/app/assets/stylesheets/common/modal/user-status.scss
+++ b/app/assets/stylesheets/common/modal/user-status.scss
@@ -1,38 +1,28 @@
 .user-status.modal {
-  .modal-inner-container {
-    box-sizing: border-box;
-    min-width: 310px;
-  }
-
-  .modal-footer {
-    .delete-status {
-      margin-left: auto;
-      margin-right: 0;
-    }
-  }
-
-  .modal-body {
-    width: 375px;
-    box-sizing: border-box;
-
-    @media (max-width: 600px) {
-      width: 100%;
+  .d-modal {
+    &__footer {
+      .delete-status {
+        margin-left: auto;
+        margin-right: 0;
+      }
     }
 
-    .control-group-remove-status {
-      margin-top: 25px;
-    }
+    &__body {
+      .control-group-remove-status {
+        margin-top: 25px;
+      }
 
-    .pause-notifications {
-      margin-top: 1.5em;
-    }
+      .pause-notifications {
+        margin-top: 1.5em;
+      }
 
-    .control-label {
-      font-weight: 700;
-    }
+      .control-label {
+        font-weight: 700;
+      }
 
-    .tap-tile:last-child {
-      border: 0;
+      .tap-tile:last-child {
+        border: 0;
+      }
     }
   }
 }
diff --git a/app/assets/stylesheets/desktop/_index.scss b/app/assets/stylesheets/desktop/_index.scss
index 2d2db20384c..5ceece86036 100644
--- a/app/assets/stylesheets/desktop/_index.scss
+++ b/app/assets/stylesheets/desktop/_index.scss
@@ -8,7 +8,6 @@
 @import "header";
 @import "invite-signup";
 @import "latest-topic-list";
-@import "login";
 @import "menu-panel";
 @import "modal";
 @import "topic-list";
diff --git a/app/assets/stylesheets/desktop/login.scss b/app/assets/stylesheets/desktop/login.scss
deleted file mode 100644
index 7a61fc3342e..00000000000
--- a/app/assets/stylesheets/desktop/login.scss
+++ /dev/null
@@ -1,450 +0,0 @@
-// shared styles used
-// on both the login and
-// create account modals
-.login-modal,
-.create-account {
-  .modal-body {
-    &.has-alt-auth {
-      background: var(--tertiary-or-tertiary-low);
-    }
-  }
-  .btn-flat.btn.modal-close svg {
-    color: rgba(var(--primary-rgb), 0.5);
-    &:hover {
-      color: rgba(var(--primary-rgb), 0.85);
-    }
-  }
-  h2.login-with {
-    color: var(--secondary);
-  }
-  #login-buttons:not(.hidden) {
-    display: flex;
-    flex: 0 1 auto;
-    flex-direction: column;
-    align-items: stretch;
-    min-height: 75px;
-    min-width: 200px;
-    order: 2;
-
-    &:focus-within,
-    &:hover {
-      button:not(:hover):not(:focus) {
-        opacity: 0.75;
-      }
-    }
-
-    button {
-      margin: 0.35em 0;
-      &:first-of-type {
-        margin-top: 0;
-      }
-      &:last-of-type {
-        margin-bottom: 0;
-      }
-      &:lang(zh_CN) {
-        min-width: 200px;
-      }
-      &:first-of-type:last-of-type {
-        &.oauth2_basic {
-          // Handles a strange fringe case where OAuth2 and account approval are enabled
-          margin-left: auto;
-          margin-right: auto;
-          justify-content: center;
-        }
-      }
-    }
-  }
-
-  .tip {
-    display: block;
-    overflow: hidden;
-    word-wrap: break-word;
-    margin-bottom: 0;
-    max-width: 280px;
-    @media screen and (min-width: 500px) {
-      max-width: 400px;
-    }
-  }
-}
-
-.has-alt-auth {
-  .tip {
-    max-width: 100%;
-  }
-}
-
-.login-modal:not(.hidden).has-alt-auth.no-local-login {
-  padding: 0 2em !important;
-  min-width: 350px !important;
-  .login-right-side {
-    width: 100%;
-    padding: 2em 0;
-    #login-buttons:not(.hidden) {
-      width: 80%;
-      .btn.btn-social:first-of-type {
-        margin-top: 2em;
-      }
-      .btn.btn-social,
-      .btn,
-      .login-with-email-button {
-        border: 1px solid var(--primary-low-mid);
-        margin-bottom: 0.5em;
-        &:hover,
-        &:focus {
-          background: var(--primary-very-low) !important;
-        }
-      }
-    }
-  }
-}
-
-// styles used on
-// login modal only
-.login-modal:not(.hidden) {
-  padding: 0 !important;
-  .login-modal-body.has-alt-auth {
-    min-width: 100%;
-    .login-left-side {
-      align-self: stretch;
-    }
-    .login-right-side {
-      padding: 0 3em;
-      display: flex;
-      flex-direction: column;
-      align-items: center;
-      justify-content: center;
-      #login-buttons {
-        button {
-          &.login-with-email-button {
-            border-radius: 4px;
-            .d-icon {
-              color: #000 !important;
-            }
-            &:hover,
-            &:focus {
-              box-shadow: 0 0 0 2px rgba(var(--primary-rgb), 0.25);
-              .d-icon {
-                color: #000 !important;
-              }
-            }
-          }
-        }
-      }
-    }
-  }
-  .login-left-side {
-    background: var(--secondary);
-    width: calc(100% - 4em);
-    display: flex;
-    flex-direction: column;
-    padding: 3em 3em 2.5em;
-    .login-welcome-header {
-      .login-title {
-        line-height: var(--line-height-small);
-        font-size: var(--font-up-6);
-      }
-      p.login-subheader {
-        font-size: var(--font-up-1);
-      }
-    }
-    #credentials {
-      display: flex;
-      flex-direction: column;
-      align-items: flex-start !important;
-    }
-    #login-form {
-      margin: 3em 0 1.25em 0;
-    }
-    .modal-footer {
-      display: flex;
-      flex-direction: row;
-      width: 100%;
-      padding: 0;
-      border: 0;
-    }
-  }
-
-  .modal-body,
-  #credentials {
-    display: flex;
-    align-items: center;
-
-    &.hidden {
-      display: none;
-    }
-  }
-}
-
-.login-modal-body.second-factor {
-  max-width: 30em;
-  .login-left-side {
-    width: 100%;
-    #login-form {
-      margin: 2em 0 0 0;
-    }
-  }
-  #new-account-link {
-    display: none;
-  }
-  .modal-footer {
-    margin-top: 1em;
-  }
-}
-
-.login-form {
-  .tip {
-    &:not(:empty) {
-      min-height: 1.75em;
-      &.bad .svg-icon {
-        vertical-align: middle;
-      }
-    }
-  }
-}
-
-// styles used on the
-// create account
-// modal only
-.d-modal.create-account {
-  .modal-body {
-    min-width: 100%;
-    overflow: hidden;
-  }
-
-  .has-alt-auth .create-account-form {
-    display: grid;
-    grid-template-columns: 60% 40%;
-    grid-template-rows: auto 1fr;
-    grid-template-areas:
-      "header login-buttons"
-      "form login-buttons"
-      "footer login-buttons";
-  }
-  .create-account-form {
-    display: flex;
-    flex-direction: column;
-    width: 100%;
-    position: relative;
-  }
-  .create-account-login-buttons {
-    display: none;
-  }
-  .has-alt-auth .create-account-login-buttons {
-    grid-area: login-buttons;
-    padding: 1em;
-    display: flex;
-    flex-direction: column;
-    justify-content: center;
-    align-items: center;
-    h3 {
-      color: var(--secondary);
-      text-align: center;
-    }
-    #login-buttons {
-      button:first-of-type {
-        margin-top: 0;
-      }
-    }
-  }
-  .modal-body {
-    display: flex;
-    padding: 0;
-  }
-  .modal-footer {
-    grid-area: footer;
-    background-color: var(--secondary);
-    position: relative;
-    &:before {
-      content: "";
-      display: block;
-      position: absolute;
-      width: 100%;
-      pointer-events: none;
-      top: calc(-2em - 1px);
-      left: 0;
-      height: 2em;
-      background-image: linear-gradient(
-        to bottom,
-        rgba(var(--secondary-rgb), 0),
-        rgba(var(--secondary-rgb), 1)
-      );
-    }
-  }
-  .login-welcome-header {
-    grid-area: header;
-    padding: 3em 2em 1em;
-    background-color: var(--secondary);
-    .login-title {
-      font-size: var(--font-up-6);
-      line-height: var(--line-height-medium);
-    }
-    p.login-subheader {
-      font-size: var(--font-up-1);
-      align-self: start;
-    }
-  }
-
-  .modal-body:not(.has-alt-auth) .login-form {
-    &:after {
-      width: 100%;
-    }
-  }
-
-  .has-alt-auth .login-form,
-  .login-form {
-    background: var(--secondary);
-    padding: 1em 0 0 0;
-    grid-area: form;
-    overflow-y: scroll;
-
-    .input-group {
-      padding: 0 2em;
-      margin-bottom: 1em;
-      input {
-        width: 100%;
-      }
-      input:not(.value-entered):not(:focus) + label.alt-placeholder {
-        top: 12px;
-        left: 3em;
-      }
-      input:focus + label.alt-placeholder,
-      input.value-entered + label.alt-placeholder {
-        top: -8px;
-        left: calc(3em - 0.25em);
-        font-size: var(--font-down-1);
-      }
-    }
-    .password-confirmation {
-      display: none;
-    }
-    scrollbar-color: rgba(var(--primary-rgb), 0.5) transparent;
-    &::-webkit-scrollbar {
-      width: 15px;
-    }
-
-    &::-webkit-scrollbar-track {
-      box-shadow: inset 0 0 14px 14px transparent;
-      border: 4px solid transparent;
-    }
-
-    &::-webkit-scrollbar-thumb {
-      box-shadow: inset 0 0 14px 14px rgba(var(--primary-rgb), 0.5);
-      border: 4px solid transparent;
-      border-radius: 14px;
-    }
-
-    /* set button(top and bottom of the scrollbar) */
-    &::-webkit-scrollbar-button {
-      display: none;
-    }
-  }
-
-  .user-fields {
-    margin-bottom: 1em;
-  }
-
-  .user-field {
-    &.text {
-      label.control-label {
-        left: 3em !important;
-        max-width: calc(100% - 6em) !important;
-      }
-      &.value-entered label.control-label,
-      label.control-label.value-entered {
-        left: calc(3em - 0.25em) !important;
-      }
-    }
-    display: flex;
-    flex-direction: column;
-  }
-
-  .tos-agree {
-    margin-bottom: 12px;
-  }
-}
-
-.password-reset {
-  .col-form {
-    padding: 0.5em 2em 1em;
-    max-width: 30em;
-  }
-  .col-image {
-    width: 175px;
-    img {
-      width: 100%;
-    }
-  }
-  details {
-    width: 100%;
-  }
-  h2 {
-    margin-bottom: 12px;
-  }
-  input:not([type="checkbox"]) {
-    // 80% width on checkboxes messes up the layout for custom fields
-    width: 80%;
-  }
-}
-
-.password-reset {
-  .col-form {
-    padding-top: 40px;
-  }
-}
-
-// styling for small-width desktop screens
-// when editing, test with DiscourseHub auth window on iPadOS
-// it has a window width of ~650px
-@media screen and (max-width: 700px) {
-  .d-modal.create-account,
-  .d-modal.login-modal {
-    .modal-inner-container {
-      width: 100%;
-    }
-
-    .modal-body:not(.reorder-categories):not(.poll-ui-builder):not(
-        .poll-breakdown
-      ) {
-      max-height: 90vh !important; // overrides base/modal.scss
-    }
-    .login-welcome-header,
-    .login-left-side .login-welcome-header {
-      padding-top: 1em;
-      .login-title {
-        font-size: var(--font-up-4);
-      }
-      p.login-subheader {
-        font-size: var(--font-0);
-      }
-    }
-
-    .modal-footer .btn:last-of-type {
-      margin-right: 0;
-    }
-  }
-
-  .d-modal.login-modal .login-modal-body.has-alt-auth {
-    .login-left-side {
-      padding-left: 1.5em;
-      padding-right: 1em;
-      padding-top: 1em;
-      .modal-footer {
-        width: auto;
-        .btn-large {
-          padding-left: 12px;
-          padding-right: 12px;
-        }
-      }
-    }
-    .login-right-side {
-      padding: 1em;
-    }
-  }
-}
-
-.email-login {
-  width: 550px;
-  .password-reset-img {
-    height: 150px;
-  }
-}
diff --git a/app/assets/stylesheets/desktop/modal.scss b/app/assets/stylesheets/desktop/modal.scss
index 8f7092cb9ff..5f673b89a9d 100644
--- a/app/assets/stylesheets/desktop/modal.scss
+++ b/app/assets/stylesheets/desktop/modal.scss
@@ -1,3 +1,19 @@
+.d-modal {
+  --modal-max-width: 600px;
+  --modal-width: 30em; // set in ems to scale with user font-size
+  --modal-min-width: 400px;
+  &__container {
+    max-width: var(--modal-max-width);
+    min-width: var(--modal-min-width);
+    .d-modal.-large & {
+      max-width: 800px;
+    }
+    .d-modal.-max & {
+      max-width: 90vw;
+    }
+  }
+}
+//legacy
 // Hardcode to be the same as before for now. I would recommend not using bootbox, or finding a way so the html structure can be the same
 .bootbox.modal {
   top: 50%;
diff --git a/app/assets/stylesheets/mobile/_index.scss b/app/assets/stylesheets/mobile/_index.scss
index 10ccb1d8c1f..94d87add0c7 100644
--- a/app/assets/stylesheets/mobile/_index.scss
+++ b/app/assets/stylesheets/mobile/_index.scss
@@ -16,8 +16,8 @@
 @import "header";
 @import "invite-signup";
 @import "lightbox";
-@import "login";
 @import "menu-panel";
+@import "login-modal";
 @import "modal";
 @import "new-user";
 @import "onebox";
diff --git a/app/assets/stylesheets/mobile/login-modal.scss b/app/assets/stylesheets/mobile/login-modal.scss
new file mode 100644
index 00000000000..8ee5dfdfb2a
--- /dev/null
+++ b/app/assets/stylesheets/mobile/login-modal.scss
@@ -0,0 +1,76 @@
+.discourse-touch {
+  .d-modal.login-modal,
+  .d-modal.create-account {
+    .d-modal {
+      &__body {
+        flex-direction: column;
+        gap: unset;
+        padding-inline: 0.5rem;
+      }
+      &__footer {
+        border-top: 1px solid var(--primary-low);
+        padding: 1rem;
+        font-size: var(--font-down-1);
+      }
+    }
+
+    .close {
+      font-size: var(--font-up-3);
+    }
+
+    .login-welcome-header {
+      padding: 1rem;
+    }
+
+    #login-buttons {
+      flex-direction: row;
+      flex-wrap: wrap;
+      padding: 0 1rem;
+      gap: 0.25em;
+      margin-bottom: 1rem;
+
+      .btn {
+        margin: 0;
+        padding-block: 0.65rem;
+        border: 1px solid var(--primary-low);
+        flex: 1 1 calc(50% - 0.25em);
+        font-size: var(--font-down-1);
+        white-space: nowrap;
+        max-width: calc(50% - 0.125em);
+        &:last-child {
+          margin-right: auto;
+        }
+      }
+    }
+
+    #login-form,
+    .login-form {
+      margin: 0;
+      padding: 1rem;
+
+      .input-group {
+        input {
+          height: 2.5em;
+          margin-bottom: 0.25em;
+        }
+        margin-bottom: 1em;
+        label.alt-placeholder {
+          top: 8px;
+        }
+        input:focus + label,
+        input.value-entered + label.alt-placeholder {
+          top: -10px;
+        }
+        input.alt-placeholder:invalid {
+          color: var(--primary);
+        }
+        label.more-info {
+          color: var(--primary-medium);
+        }
+      }
+    }
+    .caps-lock-warning {
+      display: none;
+    }
+  }
+}
diff --git a/app/assets/stylesheets/mobile/login.scss b/app/assets/stylesheets/mobile/login.scss
deleted file mode 100644
index 0eef3b5b641..00000000000
--- a/app/assets/stylesheets/mobile/login.scss
+++ /dev/null
@@ -1,266 +0,0 @@
-// shared styles
-// used in both login and
-// create account modals
-.d-modal.login-modal:not(.hidden),
-.d-modal.create-account {
-  .modal-body {
-    padding: 0;
-  }
-  &.fixed-modal .modal-inner-container {
-    max-width: 350px;
-    max-height: 90vh;
-    position: relative;
-    overflow: hidden;
-  }
-
-  .close {
-    padding: 0;
-  }
-
-  label {
-    margin: 0;
-  }
-
-  .tip:not(:empty) {
-    min-height: 1.4em; // prevents height jump when tips appear
-  }
-
-  .login-welcome-header {
-    padding: 1.5em 1em;
-    margin: 0 auto;
-  }
-
-  #login-buttons:not(.hidden) {
-    display: flex;
-    flex: 1 0 auto;
-    flex-wrap: wrap;
-    justify-content: center;
-    padding: 0 1em;
-    margin: 0;
-    gap: 0 0.25em;
-
-    .btn {
-      padding: 0.5em;
-      border: 1px solid var(--primary-low);
-      flex: 1 1 47%;
-      font-size: var(--font-down-1);
-      white-space: nowrap;
-      &:last-child {
-        margin-right: 0;
-      }
-    }
-  }
-
-  @media screen and (max-width: 750px) {
-    #login-buttons:not(.hidden) {
-      justify-content: center;
-      .btn {
-        &:nth-child(even) {
-          margin: 0 0 0.5em 0;
-        }
-      }
-    }
-  }
-
-  #login-form,
-  .login-form {
-    padding: 1em;
-
-    form {
-      display: flex;
-      justify-content: center;
-      flex-direction: column;
-    }
-
-    .input-group {
-      input {
-        height: 2.5em;
-        margin-bottom: 0.25em;
-      }
-      margin-bottom: 1em;
-      label.alt-placeholder {
-        top: 8px;
-      }
-      input:focus + label,
-      input.value-entered + label.alt-placeholder {
-        top: -10px;
-      }
-      input.alt-placeholder:invalid {
-        color: var(--primary);
-      }
-      label.more-info {
-        color: var(--primary-medium);
-      }
-    }
-  }
-
-  .user-fields .input-group {
-    .text.user-field {
-      label.control-label {
-        top: 8px;
-      }
-      &.value-entered label.control-label,
-      label.control-label.value-entered {
-        top: -10px;
-        left: calc(1em - 0.25em);
-        background-color: var(--secondary);
-        padding: 0 0.25em 0 0.25em;
-        font-size: 14px;
-        color: var(--primary-medium);
-      }
-    }
-    .controls .checkbox-label {
-      align-items: center;
-      input[type="checkbox"].ember-checkbox {
-        height: 15px;
-      }
-    }
-  }
-
-  .modal-body input[type="text"],
-  .modal-body input[type="email"],
-  .modal-body input[type="password"],
-  .modal-body input[type="tel"] {
-    margin-top: 0;
-    width: 100%;
-    box-sizing: border-box;
-  }
-
-  .modal-footer {
-    box-sizing: border-box;
-    margin: 0 auto;
-    font-size: var(--font-down-1);
-    padding: 1.25em;
-  }
-
-  .alert.alert-error {
-    padding: 0.5em 1em;
-    margin: 0;
-  }
-
-  #new-account-link {
-    white-space: nowrap;
-  }
-}
-
-// Styles for the
-// login modal only
-
-#discourse-modal {
-  &.d-modal.login-modal:not(.hidden) .modal-body {
-    max-height: 68vh !important; // overrides another important
-  }
-}
-
-.d-modal.login-modal {
-  #credentials {
-    width: 100%;
-  }
-
-  #login-form {
-    label {
-      float: left;
-      display: block;
-    }
-  }
-}
-
-.d-modal .login-modal {
-  &.second-factor + .modal-footer {
-    #new-account-link {
-      display: none;
-    }
-  }
-}
-
-.login-modal:not(.hidden).has-alt-auth.no-local-login {
-  #login-buttons:not(.hidden) {
-    width: 100%;
-  }
-}
-
-// styles for the
-// create account
-// modal only
-
-.d-modal.create-account {
-  .modal-body {
-    max-height: 60vh !important;
-    overflow: hidden;
-    display: flex;
-    flex-direction: column;
-
-    @media screen and (max-height: 575px) {
-      max-height: 50vh !important;
-    }
-
-    #login-buttons {
-      border-bottom: 1px solid var(--primary-low);
-    }
-
-    .login-form {
-      margin-bottom: 0;
-      padding-bottom: 0;
-    }
-  }
-
-  .create-account-form {
-    overflow-y: auto;
-    .login-welcome-header {
-      width: calc(100% - 2em);
-      position: sticky;
-      position: -webkit-sticky;
-      z-index: z("header");
-      top: 0;
-      background-color: var(--secondary);
-    }
-  }
-}
-
-.create-account {
-  .user-fields {
-    display: flex;
-    flex-direction: column;
-  }
-
-  .user-field {
-    display: flex;
-    flex-direction: column;
-  }
-}
-
-.password-reset,
-.email-login {
-  margin-top: 30px;
-  .col-image {
-    padding-top: 12px;
-  }
-  .password-reset-img {
-    width: 50px;
-    height: 50px;
-  }
-  .col-form {
-    padding-left: 8px;
-  }
-  h2 {
-    margin-bottom: 12px;
-  }
-  .tip {
-    display: block;
-    margin: 6px 0;
-  }
-}
-
-.password-reset .tip {
-  max-width: 180px;
-}
-
-.discourse-touch .password-reset {
-  .instructions {
-    margin-bottom: 16px;
-  }
-}
-
-.email-login {
-  width: 90%;
-}
diff --git a/app/assets/stylesheets/mobile/modal.scss b/app/assets/stylesheets/mobile/modal.scss
index 52449258d69..4e22e672194 100644
--- a/app/assets/stylesheets/mobile/modal.scss
+++ b/app/assets/stylesheets/mobile/modal.scss
@@ -1,5 +1,16 @@
 // base styles for every modal popup used in Discourse
 
+.d-modal {
+  &__container {
+    width: 100%;
+    max-width: 100%;
+  }
+  .modal-inner-container {
+    width: 100%;
+  }
+}
+
+//legacy
 .modal-open #main {
   overflow: hidden;
 }
diff --git a/config/locales/client.en.yml b/config/locales/client.en.yml
index b0cf155adb7..80e1bf88ce3 100644
--- a/config/locales/client.en.yml
+++ b/config/locales/client.en.yml
@@ -1618,14 +1618,14 @@ en:
 
       name:
         title: "Name"
-        instructions: "your full name (optional)"
-        instructions_required: "Your full name"
+        instructions: "Your full name (optional)."
+        instructions_required: "Your full name."
         required: "Please enter a name"
         too_short: "Your name is too short"
         ok: "Your name looks good"
       username:
         title: "Username"
-        instructions: "unique, no spaces, short"
+        instructions: "Unique, no spaces, short."
         short_instructions: "People can mention you as @%{username}"
         available: "Your username is available"
         not_available: "Not available. Try %{suggestion}?"
@@ -1857,7 +1857,7 @@ en:
         same_as_username: "Your password is the same as your username."
         same_as_email: "Your password is the same as your email."
         ok: "Your password looks good."
-        instructions: "at least %{count} characters"
+        instructions: "At least %{count} characters."
         required: "Please enter a password"
         confirm: "Confirm"
         incorrect_password: "The entered password is incorrect."
@@ -2156,6 +2156,7 @@ en:
       action: "I forgot my password"
       invite: "Enter your username or email address, and we'll send you a password reset email."
       invite_no_username: "Enter your email address, and we'll send you a password reset email."
+      email-username: "Email or username"
       reset: "Reset Password"
       complete_username: "If an account matches the username <b>%{username}</b>, you should receive an email with instructions on how to reset your password shortly."
       complete_email: "If an account matches <b>%{email}</b>, you should receive an email with instructions on how to reset your password shortly."
diff --git a/plugins/chat/assets/stylesheets/mobile/index.scss b/plugins/chat/assets/stylesheets/mobile/index.scss
index ab100b50e15..081db091434 100644
--- a/plugins/chat/assets/stylesheets/mobile/index.scss
+++ b/plugins/chat/assets/stylesheets/mobile/index.scss
@@ -10,7 +10,6 @@
 @import "chat-side-panel";
 @import "chat-thread";
 @import "chat-threads-list";
-@import "chat-modal-thread-settings";
 @import "chat-message-thread-indicator";
 @import "chat-message-creator";
 @import "chat-channel-row";
diff --git a/plugins/chat/spec/system/thread_list/full_page_spec.rb b/plugins/chat/spec/system/thread_list/full_page_spec.rb
index 33b748c9c1c..6a47d6cc9fc 100644
--- a/plugins/chat/spec/system/thread_list/full_page_spec.rb
+++ b/plugins/chat/spec/system/thread_list/full_page_spec.rb
@@ -196,7 +196,7 @@ describe "Thread list in side panel | full page", type: :system do
         thread_list_page.item_by_id(thread_1.id).click
         thread_page.header.open_settings
         find(".chat-modal-thread-settings__title-input").fill_in(with: new_title)
-        find(".modal-footer .btn-primary").click
+        find(".d-modal__footer .btn-primary").click
 
         expect(thread_page.header).to have_title_content(new_title)
       end
@@ -208,7 +208,7 @@ describe "Thread list in side panel | full page", type: :system do
         thread_list_page.item_by_id(thread_1.id).click
         thread_page.header.open_settings
         find(".chat-modal-thread-settings__title-input").fill_in(with: new_title)
-        find(".modal-footer .btn-primary").click
+        find(".d-modal__footer .btn-primary").click
 
         expect(thread_page.header).to have_title_content(new_title)
       end
diff --git a/spec/system/page_objects/modals/badge.rb b/spec/system/page_objects/modals/badge.rb
index 298d2ac6596..c0af307772f 100644
--- a/spec/system/page_objects/modals/badge.rb
+++ b/spec/system/page_objects/modals/badge.rb
@@ -16,7 +16,7 @@ module PageObjects
       end
 
       def grant
-        within(modal) { find(".modal-footer .btn").click }
+        within(modal) { find(".d-modal__footer .btn").click }
       end
 
       def has_success_flash_visible?
diff --git a/spec/system/page_objects/modals/base.rb b/spec/system/page_objects/modals/base.rb
index 3b8025ee3e8..42b59667ffa 100644
--- a/spec/system/page_objects/modals/base.rb
+++ b/spec/system/page_objects/modals/base.rb
@@ -9,11 +9,11 @@ module PageObjects
       BODY_SELECTOR = ""
 
       def body
-        find(".modal-body#{BODY_SELECTOR}")
+        find(".d-modal__body#{BODY_SELECTOR}")
       end
 
       def footer
-        find(".modal-footer")
+        find(".d-modal__footer")
       end
 
       def close
@@ -25,7 +25,7 @@ module PageObjects
       end
 
       def click_outside
-        find(".modal-outer-container").click(x: 0, y: 0)
+        find(".d-modal__wrapper").click(x: 0, y: 0)
       end
 
       def click_primary_button
diff --git a/spec/system/page_objects/modals/change_owner.rb b/spec/system/page_objects/modals/change_owner.rb
index 59ddb4c3c29..f5d2312e94b 100644
--- a/spec/system/page_objects/modals/change_owner.rb
+++ b/spec/system/page_objects/modals/change_owner.rb
@@ -17,7 +17,7 @@ module PageObjects
       end
 
       def confirm_new_owner
-        within(modal) { find(".modal-footer .btn").click }
+        within(modal) { find(".d-modal__footer .btn").click }
       end
 
       def users_dropdown
diff --git a/spec/system/page_objects/modals/delete_themes_confirm.rb b/spec/system/page_objects/modals/delete_themes_confirm.rb
index a97404f47ee..ced9e6bf6c1 100644
--- a/spec/system/page_objects/modals/delete_themes_confirm.rb
+++ b/spec/system/page_objects/modals/delete_themes_confirm.rb
@@ -8,7 +8,7 @@ module PageObjects
       end
 
       def confirm
-        find(".modal-footer .btn-primary").click
+        find(".d-modal__footer .btn-primary").click
       end
     end
   end
diff --git a/spec/system/page_objects/modals/flag.rb b/spec/system/page_objects/modals/flag.rb
index 1e2da7cba0a..4188b260712 100644
--- a/spec/system/page_objects/modals/flag.rb
+++ b/spec/system/page_objects/modals/flag.rb
@@ -16,7 +16,7 @@ module PageObjects
 
       def take_action(action)
         select_kit =
-          PageObjects::Components::SelectKit.new(".modal-footer .reviewable-action-dropdown")
+          PageObjects::Components::SelectKit.new(".d-modal__footer .reviewable-action-dropdown")
         select_kit.expand
         select_kit.select_row_by_value(action)
       end
diff --git a/spec/system/page_objects/modals/reject_reason_reviewable.rb b/spec/system/page_objects/modals/reject_reason_reviewable.rb
index 9064aec13b4..36719a033e5 100644
--- a/spec/system/page_objects/modals/reject_reason_reviewable.rb
+++ b/spec/system/page_objects/modals/reject_reason_reviewable.rb
@@ -18,7 +18,7 @@ module PageObjects
       end
 
       def delete_user
-        modal.find(".modal-footer .btn.btn-danger").click
+        modal.find(".d-modal__footer .btn.btn-danger").click
       end
     end
   end
diff --git a/spec/system/page_objects/modals/sidebar_edit_navigation_modal.rb b/spec/system/page_objects/modals/sidebar_edit_navigation_modal.rb
index 65706be90b4..346485c3805 100644
--- a/spec/system/page_objects/modals/sidebar_edit_navigation_modal.rb
+++ b/spec/system/page_objects/modals/sidebar_edit_navigation_modal.rb
@@ -8,7 +8,7 @@ module PageObjects
       end
 
       def has_right_title?(title)
-        has_css?(".sidebar__edit-navigation-menu__modal .title", text: title)
+        has_css?(".sidebar__edit-navigation-menu__modal .d-modal__title-text", text: title)
       end
 
       def has_focus_on_filter_input?
diff --git a/spec/system/user_page/user_preferences_security_spec.rb b/spec/system/user_page/user_preferences_security_spec.rb
index a8332637308..ba1ffa7c262 100644
--- a/spec/system/user_page/user_preferences_security_spec.rb
+++ b/spec/system/user_page/user_preferences_security_spec.rb
@@ -26,7 +26,7 @@ describe "User preferences for Security", type: :system do
       find(".security-key .new-security-key").click
       expect(user_preferences_security_page).to have_css("input#security-key-name")
 
-      find(".modal-body input#security-key-name").fill_in(with: "First Key")
+      find(".d-modal__body input#security-key-name").fill_in(with: "First Key")
       find(".add-security-key").click
 
       expect(user_preferences_security_page).to have_css(".security-key .second-factor-item")
@@ -38,7 +38,7 @@ describe "User preferences for Security", type: :system do
       find("input#login-account-name").fill_in(with: user.username)
       find("input#login-account-password").fill_in(with: password)
 
-      find(".modal-footer .btn-primary").click
+      find(".d-modal__footer .btn-primary").click
       find("#security-key .btn-primary").click
 
       expect(page).to have_css(".header-dropdown-toggle.current-user")