Files
michaelschiemer/resources/css/admin/06-components/_sidebar.css
2025-11-24 21:28:25 +01:00

482 lines
12 KiB
CSS

/**
* Sidebar Component - Admin Interface
*
* Main navigation sidebar with collapsible sections and active states.
* Mobile: Off-canvas overlay, Tablet+: Fixed sidebar
*/
@layer components {
/**
* Sidebar Container
*
* Component styling for the admin sidebar.
* Grid positioning is handled in _layout.css (grid-area: sidebar).
*/
.admin-sidebar {
/* Internal Layout (Flexbox for content) */
display: flex;
flex-direction: column;
/* Styling */
background-color: var(--sidebar-bg);
color: var(--sidebar-text);
/* Spacing */
padding: var(--spacing-md) 0;
/* Mobile: Hidden by default, shown via toggle */
@media (max-width: 767px) {
position: fixed;
top: 0;
left: 0;
bottom: 0;
width: var(--sidebar-width-mobile);
max-width: 280px;
transform: translateX(-100%);
transition: transform var(--transition-base);
z-index: var(--z-sidebar);
overflow-y: auto;
/* Mobile Menu Open State */
&[data-mobile-menu-open="true"] {
transform: translateX(0);
}
}
/* Tablet+: Always visible */
@media (min-width: 768px) {
position: sticky;
top: 0;
height: 100vh;
overflow-y: auto;
border-right: 1px solid var(--sidebar-border);
}
}
/**
* Resize Handle
*/
.admin-sidebar__resize-handle {
display: none;
@media (min-width: 768px) {
display: block;
position: absolute;
right: 0;
top: 0;
bottom: 0;
width: 4px;
cursor: col-resize;
background-color: transparent;
transition: background-color var(--transition-base);
z-index: 10;
user-select: none;
&:hover {
background-color: var(--sidebar-border);
}
&:active {
background-color: var(--accent-primary);
}
/* Dark Theme Optimization */
@media (prefers-color-scheme: dark) {
&:hover {
background-color: oklch(from var(--sidebar-border) calc(l + 0.1) c h);
}
&:active {
background-color: var(--accent-primary);
opacity: 0.8;
}
}
}
}
/**
* Sidebar Header (Logo + Title)
*/
.admin-sidebar__header {
padding: 0 var(--spacing-lg);
margin-bottom: var(--spacing-md);
display: flex;
align-items: center;
gap: var(--spacing-md);
}
.admin-sidebar__logo {
width: 40px;
height: 40px;
flex-shrink: 0;
}
.admin-sidebar__title {
font-size: var(--font-size-lg);
font-weight: 600;
color: var(--sidebar-text-hover);
margin: 0;
}
/**
* Navigation Section
*/
.admin-nav {
flex: 1;
overflow-y: auto;
display: flex;
flex-direction: column;
gap: var(--spacing-xs);
}
.admin-nav__section {
padding: 0 var(--spacing-md);
}
/**
* Section Toggle (Summary)
*/
.admin-nav__section-toggle {
display: flex;
align-items: center;
justify-content: space-between;
width: 100%;
background: none;
border: none;
padding: 0;
cursor: pointer;
text-align: left;
transition: background-color var(--transition-base), opacity var(--transition-base);
list-style: none; /* Remove default list styling */
border-radius: var(--radius-sm);
/* Hide browser default marker */
&::-webkit-details-marker {
display: none;
}
&::marker {
display: none;
}
&:hover {
opacity: 1;
background-color: var(--hover-overlay);
}
/* Dark Theme Hover Optimization */
@media (prefers-color-scheme: dark) {
&:hover {
background-color: oklch(from var(--sidebar-bg) calc(l + 0.08) c h);
}
}
&:focus-visible {
outline: 2px solid var(--focus-ring);
outline-offset: 2px;
border-radius: var(--radius-sm);
}
}
/**
* Section Title (using element selector)
*/
.admin-nav summary h2 {
font-size: var(--font-size-xs);
font-weight: 600;
text-transform: uppercase;
letter-spacing: 0.05em;
color: var(--sidebar-text);
opacity: 0.7;
padding: var(--spacing-sm) var(--spacing-sm);
margin: var(--spacing-sm) 0 var(--spacing-xs);
pointer-events: none;
transition: opacity var(--transition-base), color var(--transition-base);
}
/**
* Section Toggle Icon (Chevron) - using element selector
*/
.admin-nav summary svg {
width: 16px;
height: 16px;
flex-shrink: 0;
color: var(--sidebar-text);
opacity: 0.5;
transition: transform var(--transition-base), opacity var(--transition-base);
pointer-events: none;
}
.admin-nav summary:hover svg {
opacity: 0.8;
}
/**
* Collapsed Section State (details:not([open]))
*/
.admin-nav__section:not([open]) {
summary svg {
transform: rotate(-90deg);
}
ul {
display: none;
}
}
/**
* Expanded Section State (details[open])
*/
.admin-nav__section[open] {
summary svg {
transform: rotate(0deg);
}
summary h2 {
opacity: 1;
color: var(--sidebar-text-hover);
}
}
/**
* Navigation List (using element selectors)
*/
.admin-nav ul {
list-style: none;
margin: 0;
padding: 0;
display: flex;
flex-direction: column;
gap: var(--spacing-xs);
}
/**
* Navigation Items (using element selectors)
*/
.admin-nav li {
margin: 0;
}
.admin-nav a {
display: flex;
align-items: center;
gap: var(--spacing-sm);
padding: var(--spacing-xs) var(--spacing-md);
border-radius: var(--radius-md);
color: var(--sidebar-text);
text-decoration: none;
font-size: var(--font-size-sm);
font-weight: 500;
transition: all var(--transition-base);
position: relative;
/* Hover State */
&:hover {
background-color: var(--hover-overlay);
color: var(--sidebar-text-hover);
}
/* Dark Theme Hover Optimization */
@media (prefers-color-scheme: dark) {
&:hover {
background-color: oklch(from var(--sidebar-bg) calc(l + 0.05) c h);
}
}
/* Focus State */
&:focus-visible {
outline: 2px solid var(--focus-ring);
outline-offset: 2px;
}
/* Active State */
&[aria-current="page"],
&.admin-nav__link--active {
background-color: var(--sidebar-active);
color: var(--sidebar-text-hover);
/* Active Indicator */
&::before {
content: '';
position: absolute;
left: 0;
top: 50%;
transform: translateY(-50%);
width: 3px;
height: 70%;
background-color: var(--accent-primary);
border-radius: 0 2px 2px 0;
}
}
}
/**
* Navigation Icons (using element selectors)
*/
.admin-nav svg,
.admin-nav .admin-nav__icon {
width: 20px;
height: 20px;
flex-shrink: 0;
opacity: 0.8;
}
.admin-nav a:hover svg,
.admin-nav a:hover .admin-nav__icon,
.admin-nav a[aria-current="page"] svg,
.admin-nav a[aria-current="page"] .admin-nav__icon {
opacity: 1;
}
/**
* Badge (Notification Counter)
*/
.admin-nav__badge {
margin-left: auto;
padding: 2px 8px;
background-color: var(--accent-error);
color: white;
font-size: var(--font-size-xs);
font-weight: 600;
border-radius: 10px;
min-width: 20px;
text-align: center;
}
/**
* Collapsible Submenu
*/
.admin-nav__submenu {
list-style: none;
margin: var(--spacing-xs) 0 0;
padding: 0 0 0 calc(var(--spacing-md) + 20px);
display: none;
flex-direction: column;
gap: var(--spacing-xs);
/* Show when parent is active or expanded */
.admin-nav__item--expanded > & {
display: flex;
}
}
.admin-nav__submenu a {
font-size: var(--font-size-xs);
padding: var(--spacing-xs) var(--spacing-sm);
}
/**
* Expand/Collapse Toggle
*/
.admin-nav__toggle {
margin-left: auto;
width: 16px;
height: 16px;
transition: transform var(--transition-base);
.admin-nav__item--expanded & {
transform: rotate(90deg);
}
}
/**
* Sidebar Footer
*/
.admin-sidebar__footer {
margin-top: auto;
padding: var(--spacing-lg);
border-top: 1px solid var(--sidebar-border);
}
.admin-sidebar__user {
display: flex;
align-items: center;
gap: var(--spacing-sm);
padding: var(--spacing-sm);
border-radius: var(--radius-md);
color: var(--sidebar-text);
text-decoration: none;
transition: background-color var(--transition-base);
&:hover {
background-color: var(--hover-overlay);
}
/* Dark Theme Optimization */
@media (prefers-color-scheme: dark) {
&:hover {
background-color: oklch(from var(--sidebar-bg) calc(l + 0.05) c h);
}
}
}
.admin-sidebar__avatar {
width: 32px;
height: 32px;
border-radius: 50%;
object-fit: cover;
flex-shrink: 0;
}
.admin-sidebar__user-info {
flex: 1;
min-width: 0;
}
.admin-sidebar__user-name {
font-size: var(--font-size-sm);
font-weight: 600;
color: var(--sidebar-text-hover);
display: block;
white-space: nowrap;
overflow: hidden;
text-overflow: ellipsis;
}
.admin-sidebar__user-role {
font-size: var(--font-size-xs);
color: var(--sidebar-text);
opacity: 0.8;
display: block;
}
/**
* Mobile Menu Toggle Button
*/
.admin-sidebar__mobile-toggle {
display: none;
@media (max-width: 767px) {
display: flex;
align-items: center;
justify-content: center;
position: fixed;
top: var(--spacing-md);
left: var(--spacing-md);
z-index: calc(var(--z-sidebar) + 1);
width: 44px;
height: 44px;
background-color: var(--sidebar-bg);
border: 1px solid var(--sidebar-border);
border-radius: var(--radius-md);
cursor: pointer;
transition: background-color var(--transition-base);
&:hover {
background-color: var(--sidebar-active);
}
&:focus-visible {
outline: 2px solid var(--focus-ring);
outline-offset: 2px;
}
}
}
.admin-sidebar__toggle-icon {
width: 24px;
height: 24px;
color: var(--sidebar-text-hover);
}
}