/* Dashboard Layout - Collapsible Sidebar + Main Content */

.dashboard {
    display: flex;
    min-height: 100vh;
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
}

/* Sidebar */
.dashboard__sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background-color: var(--color-bg-surface);
    border-right: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    transition: width var(--transition-base), transform var(--transition-base);
    z-index: var(--z-fixed);
    overflow: hidden;
}

/* Collapsed state */
[data-sidebar-collapsed="true"] .dashboard__sidebar {
    width: var(--sidebar-collapsed-width);
}

/* Sidebar sections */
.sidebar__header {
    padding: var(--space-6) var(--space-5);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: var(--header-height);
    flex-shrink: 0;
}

/* When collapsed, center the toggle button */
[data-sidebar-collapsed="true"] .sidebar__header {
    justify-content: center;
}

.sidebar__logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    color: var(--color-text-primary);
    white-space: nowrap;
    transition: opacity var(--transition-fast);
}

.sidebar__logo-icon {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
}

.sidebar__logo-text {
    transition: opacity var(--transition-fast);
}

/* Hide entire logo when collapsed */
[data-sidebar-collapsed="true"] .sidebar__logo {
    display: none;
}

.sidebar__toggle {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: background-color var(--transition-fast), color var(--transition-fast);
    flex-shrink: 0;
}

.sidebar__toggle:hover {
    background-color: var(--color-bg-hover);
    color: var(--color-text-primary);
}

.sidebar__toggle svg {
    width: 20px;
    height: 20px;
}

/* User section */
.sidebar__user {
    padding: var(--space-5);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-shrink: 0;
}

.sidebar__user-avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--font-semibold);
    color: white;
    flex-shrink: 0;
}

.sidebar__user-info {
    overflow: hidden;
    transition: opacity var(--transition-fast);
}

[data-sidebar-collapsed="true"] .sidebar__user-info {
    display: none;
}

.sidebar__user-name {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar__user-role {
    font-size: var(--text-xs);
    color: var(--color-text-secondary);
    white-space: nowrap;
}

/* Navigation area */
.sidebar__nav {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: var(--space-4) 0;
}

/* Custom scrollbar for sidebar */
.sidebar__nav::-webkit-scrollbar {
    width: 6px;
}

.sidebar__nav::-webkit-scrollbar-track {
    background: transparent;
}

.sidebar__nav::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: var(--radius-full);
}

.sidebar__nav::-webkit-scrollbar-thumb:hover {
    background: var(--color-border-light);
}

/* Footer section */
.sidebar__footer {
    padding: var(--space-4) 0;
    border-top: 1px solid var(--color-border);
    flex-shrink: 0;
}

/* Mobile header (only visible on mobile) */
.mobile-header {
    display: none;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4) var(--space-5);
    background-color: var(--color-bg-surface);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: calc(var(--z-fixed) - 1);
}

.mobile-menu-button {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.mobile-menu-button:hover {
    background-color: var(--color-bg-hover);
}

.mobile-menu-button svg {
    width: 24px;
    height: 24px;
}

.mobile-header__title {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    color: var(--color-text-primary);
}

/* Main content area */
.dashboard__main {
    margin-left: var(--sidebar-width);
    flex: 1;
    display: flex;
    flex-direction: column;
    transition: margin-left var(--transition-base);
    min-height: 100vh;
}

[data-sidebar-collapsed="true"] .dashboard__main {
    margin-left: var(--sidebar-collapsed-width);
}

.dashboard__content {
    flex: 1;
    padding: var(--space-8);
    width: 100%;
}

.dashboard__content a, 
.dashboard__content a:visited {
    color: inherit;
}

/* Content header */
.content__header {
    margin-bottom: var(--space-8);
}

.content__title {
    font-size: var(--text-3xl);
    font-weight: var(--font-bold);
    color: var(--color-text-primary);
    margin: 0;
}

.content__subtitle {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    margin-top: var(--space-2);
}

/* Responsive - Tablet */
@media (max-width: 1024px) {
    /* Collapse by default on tablet */
    .dashboard__sidebar {
        width: var(--sidebar-collapsed-width);
    }

    .dashboard__main {
        margin-left: var(--sidebar-collapsed-width);
    }

    .sidebar__logo,
    .sidebar__user-info {
        display: none;
    }

    /* When expanded on tablet */
    [data-sidebar-collapsed="false"] .dashboard__sidebar {
        width: var(--sidebar-width);
    }

    [data-sidebar-collapsed="false"] .sidebar__header {
        justify-content: space-between;
    }

    [data-sidebar-collapsed="false"] .sidebar__logo {
        display: flex;
    }

    [data-sidebar-collapsed="false"] .sidebar__user-info {
        display: block;
    }
}

/* Responsive - Mobile */
@media (max-width: 768px) {
    /* Show mobile header */
    .mobile-header {
        display: flex;
    }

    /* Sidebar hidden by default on mobile */
    .dashboard__sidebar,
    [data-sidebar-collapsed="true"] .dashboard__sidebar {
        width: var(--sidebar-width);
        transform: translateX(-100%);
        box-shadow: var(--shadow-xl);
    }

    /* Show as overlay when expanded */
    [data-sidebar-collapsed="false"] .dashboard__sidebar {
        transform: translateX(0);
    }

    /* Show logo and adjust header on mobile when expanded */
    [data-sidebar-collapsed="false"] .sidebar__header {
        justify-content: space-between;
    }

    [data-sidebar-collapsed="false"] .sidebar__logo {
        display: flex;
    }

    /* No margin on mobile - sidebar is overlay */
    .dashboard__main,
    [data-sidebar-collapsed="true"] .dashboard__main,
    [data-sidebar-collapsed="false"] .dashboard__main {
        margin-left: 0;
    }

    /* Backdrop for mobile */
    [data-sidebar-collapsed="false"]::before {
        content: '';
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background-color: rgba(0, 0, 0, 0.5);
        z-index: calc(var(--z-fixed) - 1);
    }

    .dashboard__content {
        padding: var(--space-5);
    }

    .content__title {
        font-size: var(--text-2xl);
    }
}