/* Material Theme Sidebar Menu - CSS Only Solution */

/* Base sidebar navigation styles */
.pkp_navigation_primary {
    list-style: none;
    margin: 0;
    padding: 0;
    font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
}

/* Main menu items */
.pkp_navigation_primary > li {
    position: relative;
    border-bottom: 1px solid #e2e8f0;
    @apply dark:border-slate-700;
}

.pkp_navigation_primary > li:last-child {
    border-bottom: none;
}

/* Main menu links */
.pkp_navigation_primary > li > a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    font-weight: 500;
    font-size: 0.875rem;
    line-height: 1.25rem;
    color: #475569;
    text-decoration: none;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    @apply dark:text-slate-300;
}

/* Hover effects for main menu */
.pkp_navigation_primary > li > a:hover {
    color: #3b82f6;
    background-color: #f8fafc;
    padding-left: 1.5rem;
    @apply dark:bg-slate-800 dark:text-blue-400;
}

/* Arrow indicator for expandable items */
.pkp_navigation_primary > li:has(ul) > a::after {
    content: '';
    width: 0;
    height: 0;
    border-left: 4px solid #94a3b8;
    border-top: 4px solid transparent;
    border-bottom: 4px solid transparent;
    transition: all 0.2s ease;
    margin-left: auto;
    @apply dark:border-l-slate-400;
}

/* Rotated arrow for hover state */
.pkp_navigation_primary > li:has(ul):hover > a::after {
    transform: rotate(90deg);
    border-left-color: #3b82f6;
    @apply dark:border-l-blue-400;
}

/* Submenu container */
.pkp_navigation_primary ul {
    list-style: none;
    margin: 0;
    padding: 0;
    background-color: #f1f5f9;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                padding 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    @apply dark:bg-slate-800/50;
}

/* Show submenu on parent hover */
.pkp_navigation_primary > li:hover ul {
    max-height: 400px;
    padding: 0.5rem 0;
}

/* Submenu items */
.pkp_navigation_primary ul li {
    position: relative;
    border: none;
}

/* Submenu links */
.pkp_navigation_primary ul li a {
    display: block;
    padding: 0.75rem 1.25rem 0.75rem 3rem;
    font-size: 0.8125rem;
    line-height: 1.25rem;
    color: #64748b;
    text-decoration: none;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    @apply dark:text-slate-400;
}

/* Submenu hover effects */
.pkp_navigation_primary ul li a:hover {
    color: #3b82f6;
    background-color: #e0e7ff;
    padding-left: 3.25rem;
    @apply dark:bg-slate-700 dark:text-blue-400;
}

/* Bullet indicator for submenu items */
.pkp_navigation_primary ul li a::before {
    content: '';
    position: absolute;
    left: 1.75rem;
    top: 50%;
    transform: translateY(-50%);
    width: 0.25rem;
    height: 0.25rem;
    background-color: #94a3b8;
    border-radius: 50%;
    transition: all 0.2s ease;
    @apply dark:bg-slate-500;
}

/* Active bullet on hover */
.pkp_navigation_primary ul li a:hover::before {
    background-color: #3b82f6;
    width: 0.375rem;
    height: 0.375rem;
    @apply dark:bg-blue-400;
}

/* Active states */
.pkp_navigation_primary > li > a.current,
.pkp_navigation_primary > li > a[aria-current="page"] {
    color: #3b82f6;
    background-color: #eff6ff;
    font-weight: 600;
    border-left: 3px solid #3b82f6;
    @apply dark:bg-slate-800 dark:text-blue-400 dark:border-l-blue-400;
}

.pkp_navigation_primary ul li a.current,
.pkp_navigation_primary ul li a[aria-current="page"] {
    color: #3b82f6;
    background-color: #dbeafe;
    font-weight: 500;
    @apply dark:bg-slate-700 dark:text-blue-400;
}

.pkp_navigation_primary ul li a.current::before,
.pkp_navigation_primary ul li a[aria-current="page"]::before {
    background-color: #3b82f6;
    width: 0.375rem;
    height: 0.375rem;
    @apply dark:bg-blue-400;
}

/* Alternative: Focus-based expansion (keyboard accessible) */
.pkp_navigation_primary > li > a:focus + ul,
.pkp_navigation_primary > li:focus-within ul {
    max-height: 400px;
    padding: 0.5rem 0;
}

/* Smooth animations for all interactions */
.pkp_navigation_primary * {
    transition-property: color, background-color, border-color, text-decoration-color, fill, stroke, opacity, box-shadow, transform, filter, backdrop-filter, max-height, padding;
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
    transition-duration: 200ms;
}

/* Enhanced visual hierarchy */
.pkp_navigation_primary > li:first-child > a {
    border-top-left-radius: 0.5rem;
    border-top-right-radius: 0.5rem;
}

.pkp_navigation_primary > li:last-child > a {
    border-bottom-left-radius: 0.5rem;
    border-bottom-right-radius: 0.5rem;
}

/* Subtle shadow for depth */
.pkp_navigation_primary {
    box-shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    border-radius: 0.5rem;
    background-color: #ffffff;
    @apply dark:bg-slate-900 dark:shadow-slate-700/20;
}

/* Mobile responsive adjustments */
@media (max-width: 1024px) {
    .pkp_navigation_primary > li > a {
        padding: 0.875rem 1rem;
        font-size: 0.8125rem;
    }

    .pkp_navigation_primary ul li a {
        padding: 0.625rem 1rem 0.625rem 2.5rem;
        font-size: 0.75rem;
    }

    .pkp_navigation_primary ul li a::before {
        left: 1.5rem;
    }

    .pkp_navigation_primary ul li a:hover {
        padding-left: 2.75rem;
    }
}

/* Accessibility improvements */
.pkp_navigation_primary a:focus {
    outline: 2px solid #3b82f6;
    outline-offset: -2px;
    @apply dark:outline-blue-400;
}

.pkp_navigation_primary > li > a:focus {
    background-color: #f8fafc;
    color: #3b82f6;
    @apply dark:bg-slate-800 dark:text-blue-400;
}

/* Print styles */
@media print {
    .pkp_navigation_primary ul {
        max-height: none !important;
        overflow: visible !important;
        padding: 0.5rem 0 !important;
    }

    .pkp_navigation_primary > li > a::after {
        display: none;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .pkp_navigation_primary > li > a {
        border: 1px solid;
    }

    .pkp_navigation_primary ul {
        border: 1px solid;
        border-top: none;
    }
}

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
    .pkp_navigation_primary *,
    .pkp_navigation_primary ul {
        transition: none !important;
        animation: none !important;
    }
}