discourse/app/assets/stylesheets/common/base/sidebar.scss
Alan Guo Xiang Tan 2583d21aa7
UX: Improve styling of sidebar on mobile (#18246)
* Make sidebar footer is sticky
* Ensure that only the sidebar sections is scrollable
2022-09-15 11:35:33 +08:00

118 lines
2.7 KiB
SCSS

:root {
--d-sidebar-width: #{$d-sidebar-width};
--d-sidebar-animation-time: 0.25s;
--d-sidebar-animation-ease: ease-in-out;
}
.sidebar-wrapper {
display: flex;
--d-sidebar-highlight-color: var(--primary-low);
// 1.25rem gets text left-aligned with the hamburger icon
--d-sidebar-row-horizontal-padding: 1.25rem;
background-color: var(--primary-very-low);
grid-area: sidebar;
position: sticky;
top: var(--header-offset);
.footer-nav-ipad & {
top: calc(var(--header-offset) + var(--footer-nav-height));
}
height: calc(100vh - var(--header-offset, 0));
align-self: start;
overflow-y: auto;
.sidebar-row {
padding: 0.33rem var(--d-sidebar-row-horizontal-padding);
align-items: center;
font-size: var(--font-down-1);
}
.sidebar-container {
display: flex;
flex-direction: column;
box-sizing: border-box;
height: 100%;
width: 100%;
padding: 0;
overflow-x: hidden;
// allows sidebar to scroll to the bottom when the composer is open
height: calc(100% - var(--composer-height, 0));
}
.sidebar-sections {
display: flex;
flex-direction: column;
box-sizing: border-box;
flex: 1;
padding: 1em 0;
overflow-x: hidden;
overflow-y: overlay;
// custom scrollbar styling
--scrollbarBg: transparent;
--scrollbarThumbBg: var(--primary-low);
--scrollbarWidth: 0.5em;
scrollbar-color: transparent var(--scrollbarBg);
transition: scrollbar-color 0.25s ease-in-out;
transition-delay: 0.5s;
&::-webkit-scrollbar {
width: var(--scrollbarWidth);
}
&::-webkit-scrollbar-thumb {
background-color: transparent;
border-radius: calc(var(--scrollbarWidth) / 2);
}
&::-webkit-scrollbar-track {
background-color: transparent;
}
&:hover {
scrollbar-color: var(--scrollbarThumbBg) var(--scrollbarBg);
&::-webkit-scrollbar-thumb {
background-color: var(--scrollbarThumbBg);
}
transition-delay: 0s;
}
}
}
.sidebar-hamburger-dropdown {
// note that these apply to mobile and desktop dropdowns
.sidebar-section-wrapper {
.sidebar-section-header-wrapper.sidebar-row {
padding-right: 0;
}
.sidebar-section-header {
padding: 0;
}
}
.discourse-no-touch & {
.sidebar-section-wrapper .sidebar-section-header-wrapper:hover,
.sidebar-section-wrapper .sidebar-section-header-wrapper:focus-within {
background: transparent;
}
}
.sidebar-footer-wrapper {
margin-top: 1em;
.sidebar-footer-container {
background: var(--secondary);
&:before {
background: linear-gradient(
to bottom,
transparent,
rgba(var(--secondary-rgb), 1)
);
}
}
}
}