.sidebar {
    position: relative;
    display: flex;
    flex-direction: column;
    width: 256px;
    height: calc(100% - var(--spacing-2xl));
    margin: var(--spacing-lg) var(--spacing-sm) var(--spacing-lg)
        var(--spacing-lg);
    background: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-base);
    transition: width 0.3s ease;
    z-index: 99;
}

.sidebar[data-collapsed="true"] {
    width: 80px;
}

.sidebar.no-transition,
.sidebar.no-transition * {
    transition: none !important;
}

.sidebar-logo {
    height: 80px;
    display: flex;
    align-items: center;
    padding: 0 var(--spacing-lg);
    transition: padding 0.3s ease;
    overflow: hidden;
}

.sidebar-logo img {
    border-radius: var(--radius-md);
    margin-left: -14px;
    width: 80px;
    height: 80px;
    transition: all 0.3s ease;
    object-fit: contain;
}

.sidebar[data-collapsed="true"] .sidebar-logo {
    padding: 0 var(--spacing-md);
}

.sidebar[data-collapsed="true"] .sidebar-logo img {
    margin-left: 0;
    width: var(--spacing-2xl);
    height: var(--spacing-2xl);
}

.sidebar[data-collapsed="true"] .settings-dropdown {
    min-width: 240px !important;
    left: 16px;
    right: auto;
    z-index: 100;
}

.sidebar-nav {
    flex: 1;
    padding: 0 var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.sidebar-item {
    display: flex;
    align-items: center;
    padding: var(--spacing-lg) 14px;
    color: var(--color-text);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: background-color 0.2s;
    position: relative;
}

.sidebar-nav .sidebar-item {
    border-bottom: 1px solid var(--color-gray-100);
}

.sidebar-item:hover {
    background-color: var(--color-gray-50);
}

.sidebar-item.active {
    font-weight: var(--font-weight-medium);
    color: var(--color-black);
}

.sidebar[data-collapsed="true"] .sidebar-nav {
    margin-top: 44px;
}

.sidebar[data-collapsed="true"] .sidebar-nav .sidebar-item {
    padding: 13.5px;
    margin-bottom: 21.5px;
    border-bottom: 1px solid var(--color-white);
}

.sidebar[data-collapsed="true"] .sidebar-nav .sidebar-item.active {
    background-color: var(--color-black);
    color: var(--color-white);
}

.sidebar-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.sidebar-text {
    font-size: var(--font-size-sm);
    margin-left: var(--spacing-sm);
    white-space: nowrap;
    transition: opacity 0.3s ease;
}

.sidebar[data-collapsed="true"] .sidebar-text {
    opacity: 0;
    display: none;
}

.sidebar-arrow {
    width: 16px;
    height: 16px;
    margin-left: auto;
    color: var(--color-gray-400);
    transition: transform 0.2s ease;
}

.sidebar-item.show .sidebar-arrow,
.sidebar-item[aria-expanded="true"] .sidebar-arrow {
    transform: rotate(180deg);
}

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

.sidebar-toggle {
    position: absolute;
    right: var(--radius-md);
    top: 50%;
    transform: translateY(-50%);
    background: #fee;
    border: none;
    border-radius: var(--radius-full);
    width: var(--spacing-xl);
    height: var(--spacing-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--color-danger);
    font-size: var(--spacing-md);
    font-weight: var(--font-weight-bold);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    transition: background-color 0.2s;
    z-index: 20;
}

.sidebar-toggle:hover {
    background: #fdd;
}

.sidebar-footer {
    padding: var(--spacing-md);
    position: relative;
}

.sidebar-footer .sidebar-item {
    padding: 14px;
}

.sidebar-footer .dropdown-toggle::after {
    display: none;
}

/* Settings Dropdown */
.settings-dropdown {
    position: absolute !important;
    bottom: calc(100% - var(--spacing-sm)) !important;
    top: auto !important;
    left: var(--spacing-md) !important;
    right: var(--spacing-md) !important;
    width: auto !important;
    transform: none !important;
    z-index: 100 !important;

    background: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    margin-bottom: 0 !important;
    overflow: hidden;
    padding: 0;
    border: none !important;
    min-width: auto !important;
}

.settings-dropdown-header {
    padding: var(--spacing-md);
}

.settings-user-name {
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-sm);
    color: var(--color-text);
    margin-bottom: var(--radius-xs);
}

.settings-user-email {
    font-size: 13px;
    color: var(--color-gray-500);
}

.settings-dropdown-divider {
    height: 1px;
    background: var(--color-border);
}

.settings-dropdown-item {
    display: flex;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-text);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: background-color 0.2s;
}

.settings-dropdown-item:hover {
    background: var(--color-gray-50);
}

.settings-logout {
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    cursor: pointer;
    gap: 8px;
}

.settings-logout span {
    flex: 1;
}

.settings-logout img {
    margin-left: auto;
}

/* Mobile backdrop */
.sidebar-backdrop {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 998;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.sidebar-backdrop.active {
    display: block;
    opacity: 1;
}

/* Mobile close button */
.mobile-close-btn {
    display: none;
    position: absolute;
    top: 24px;
    right: 16px;
    cursor: pointer;
    transition: opacity 0.2s;
    z-index: 1000;
}

.mobile-close-btn:hover {
    opacity: 0.9;
}

.mobile-close-btn:active {
    opacity: 0.8;
}

/* Responsive for mobile */
@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        height: 100vh;
        width: 280px;
        z-index: 999;
        margin: 0;
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        border-radius: 0;
        box-shadow: 2px 0 8px rgba(0, 0, 0, 0.15);
    }

    /* Disable transition when resize */
    .sidebar.no-transition {
        transition: none !important;
    }

    .sidebar.mobile-open {
        transform: translateX(0);
    }

    .sidebar[data-collapsed="true"] {
        width: 280px;
    }

    .sidebar[data-collapsed="true"] .sidebar-text {
        opacity: 1;
        display: block;
    }

    .sidebar[data-collapsed="true"] .sidebar-arrow {
        display: block;
    }

    .sidebar[data-collapsed="true"] .sidebar-nav {
        margin-top: 32px;
    }

    .sidebar[data-collapsed="true"] .sidebar-nav .sidebar-item {
        padding: 24px 12px;
        margin-bottom: 0;
        border-bottom: 1px solid var(--color-gray-100);
    }

    /* Hide desktop toggle button on mobile */
    .sidebar-toggle {
        display: none;
    }

    /* Show mobile close button */
    .mobile-close-btn {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .sidebar-logo {
        padding: 0 26px;
        justify-content: flex-start;
    }

    .sidebar[data-collapsed="true"] .sidebar-logo {
        padding: 0 26px;
        justify-content: flex-start;
    }

    .sidebar[data-collapsed="true"] .sidebar-logo img {
        margin-left: -14px;
        width: 80px;
        height: 80px;
    }

    .sidebar[data-collapsed="true"] .sidebar-arrow {
        display: block !important;
    }
}