/* Mobile Sidebar Styles - Shared across all pages */

/* Mobile menu toggle button */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 30px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 100;
}

.hamburger-line {
    width: 100%;
    height: 3px;
    background: var(--text);
    border-radius: 2px;
    transition: all 0.3s ease;
    transform-origin: center;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Mobile overlay */
.mobile-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 50;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.mobile-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Mobile responsive layout */
@media (max-width: 820px) {
    .layout {
        grid-template-columns: 1fr;
        margin: 16px auto;
        gap: 0;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .top-nav {
        display: none;
    }

    .header .container {
        justify-content: space-between;
    }

    /* Mobile sidebar */
    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        width: 280px;
        height: 100vh;
        z-index: 60;
        border-radius: 0;
        border-right: 1px solid var(--border);
        transform: translateX(-100%);
        overflow-y: auto;
        padding: 20px 14px;
        transition: transform 0.3s ease;
    }

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

    /* Mobile-specific improvements */
    .side-item {
        padding: 12px 14px;
        font-size: 16px;
    }

    .sub-item {
        padding: 10px 12px;
        font-size: 15px;
    }

    .side-group {
        margin: 16px 0;
    }

    .sub-items {
        margin-left: 16px;
        margin-top: 8px;
        gap: 8px;
    }
}