/*!
 * Admin Sidebar Styles — DarkFoodTheme v2.0
 * Matches the admin page design system (#0F1412, #1A1D1C, #2DD4BF)
 * Purpose: Sidebar navigation with group dropdowns, active highlighting, mobile responsive
 * Version: 2.0
 */

/* ── Theme Variables ──────────────────────────────────────────────── */
:root {
    --sidebar-bg: #0F1412;
    --sidebar-bg-end: #131816;
    --sidebar-card: #1A1D1C;
    --sidebar-border: #2E2E2E;
    --sidebar-accent: #2DD4BF;
    --sidebar-accent-end: #22C55E;
    --sidebar-danger: #EF4444;
    --sidebar-text: #FFFFFF;
    --sidebar-text-muted: #6B7280;
    --sidebar-text-secondary: #9CA3AF;
    --sidebar-hover-bg: rgba(45, 212, 191, 0.08);
    --sidebar-active-bg: rgba(45, 212, 191, 0.12);
    --sidebar-active-border: #2DD4BF;
    --sidebar-sub-bg: rgba(0, 0, 0, 0.2);
    --sidebar-width: 280px;
    --sidebar-transition: 0.2s ease;
}

/* ── Sidebar Container ─────────────────────────────────────────── */
.sidebar-container {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    width: var(--sidebar-width);
    background: var(--sidebar-bg);
    z-index: 1000;
    transition: transform 0.3s ease, width 0.3s ease;
}

.sidebar-container.mobile-sidebar-hider {
    display: none;
}

/* ── Sidebar Inner ──────────────────────────────────────────────── */
.sidebar {
    height: 100%;
    width: 100%;
    display: flex;
    flex-direction: column;
    background: linear-gradient(180deg, var(--sidebar-bg) 0%, var(--sidebar-bg-end) 100%);
    border-right: 1px solid var(--sidebar-border);
    overflow-y: auto;
    overflow-x: hidden;
}

/* ── Custom Scrollbar ───────────────────────────────────────────── */
.sidebar::-webkit-scrollbar {
    width: 6px;
}

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

.sidebar::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--sidebar-accent), var(--sidebar-accent-end));
    border-radius: 3px;
}

.sidebar::-webkit-scrollbar-thumb:hover {
    background: var(--sidebar-accent);
}

/* ── App Logo / Brand ──────────────────────────────────────────── */
.sidebar-title {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px 16px 16px;
    border-bottom: 1px solid var(--sidebar-border);
}

.app-logo {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    overflow: hidden;
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(45, 212, 191, 0.2);
}

.app-name {
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}

/* ── User Profile Section ───────────────────────────────────────── */
.sidebar-user-profile {
    padding: 16px;
    margin: 12px;
    background: linear-gradient(135deg, rgba(45, 212, 191, 0.1) 0%, rgba(34, 197, 94, 0.1) 100%);
    border: 1px solid rgba(45, 212, 191, 0.2);
    border-radius: 14px;
    cursor: pointer;
    transition: all var(--sidebar-transition);
}

.sidebar-user-profile:hover {
    background: linear-gradient(135deg, rgba(45, 212, 191, 0.15) 0%, rgba(34, 197, 94, 0.15) 100%);
    border-color: rgba(45, 212, 191, 0.3);
}

.sidebar-user-profile .user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid rgba(45, 212, 191, 0.5);
}

/* ── Menu Container ────────────────────────────────────────────── */
.sidebar-menu-container {
    list-style: none;
    padding: 8px 12px;
    margin: 0;
    flex: 1;
    overflow-y: auto;
}

.sidebar-menu-container::-webkit-scrollbar {
    width: 4px;
}

.sidebar-menu-container::-webkit-scrollbar-track {
    background: transparent;
}

.sidebar-menu-container::-webkit-scrollbar-thumb {
    background: var(--sidebar-border);
    border-radius: 2px;
}

/* ── Menu Item (flat) ──────────────────────────────────────────── */
.sidebar-menu-item {
    margin: 2px 0;
    border-radius: 12px;
    transition: all var(--sidebar-transition);
    cursor: pointer;
}

.sidebar-menu-item-content {
    display: flex;
    align-items: center;
    padding: 10px 16px;
    border-radius: 12px;
    transition: all var(--sidebar-transition);
    position: relative;
}

.sidebar-menu-item-content::before {
    content: '';
    position: absolute;
    left: 0;
    top: 15%;
    height: 70%;
    width: 3px;
    background: linear-gradient(180deg, var(--sidebar-accent), var(--sidebar-accent-end));
    border-radius: 0 3px 3px 0;
    opacity: 0;
    transition: opacity var(--sidebar-transition);
}

.sidebar-menu-item:hover .sidebar-menu-item-content {
    background: var(--sidebar-hover-bg);
    transform: translateX(4px);
}

.sidebar-menu-item:hover .sidebar-menu-item-content::before {
    opacity: 0.5;
}

/* ── Menu Item Icon ─────────────────────────────────────────────── */
.sidebar-menu-item-icon {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: var(--sidebar-accent);
    flex-shrink: 0;
    transition: all var(--sidebar-transition);
}

.sidebar-menu-item:hover .sidebar-menu-item-icon {
    transform: scale(1.1);
}

/* ── Menu Item Description ──────────────────────────────────────── */
.sidebar-menu-item-desc {
    flex: 1;
    color: var(--sidebar-text);
    font-size: 0.875rem;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: color var(--sidebar-transition);
}

/* ── Active Menu Item ───────────────────────────────────────────── */
.sidebar-menu-item.active .sidebar-menu-item-content {
    background: var(--sidebar-active-bg);
}

.sidebar-menu-item.active .sidebar-menu-item-content::before {
    opacity: 1;
}

.sidebar-menu-item.active .sidebar-menu-item-desc {
    color: var(--sidebar-accent);
    font-weight: 600;
}

.sidebar-menu-item.active .sidebar-menu-item-icon {
    color: var(--sidebar-accent);
}

/* ── Group Dropdown Item ────────────────────────────────────────── */
.sidebar-dropdown-menu-item {
    margin: 2px 0;
    border-radius: 12px;
    transition: all var(--sidebar-transition);
    cursor: pointer;
}

.sidebar-dropdown-menu-item-content {
    display: flex;
    align-items: center;
    padding: 10px 16px;
    border-radius: 12px;
    transition: all var(--sidebar-transition);
    position: relative;
}

.sidebar-dropdown-menu-item-content::before {
    content: '';
    position: absolute;
    left: 0;
    top: 15%;
    height: 70%;
    width: 3px;
    background: linear-gradient(180deg, var(--sidebar-accent), var(--sidebar-accent-end));
    border-radius: 0 3px 3px 0;
    opacity: 0;
    transition: opacity var(--sidebar-transition);
}

.sidebar-dropdown-menu-item:hover .sidebar-dropdown-menu-item-content {
    background: var(--sidebar-hover-bg);
    transform: translateX(4px);
}

.sidebar-dropdown-menu-item:hover .sidebar-dropdown-menu-item-content::before {
    opacity: 0.5;
}

/* ── Active Group Header ────────────────────────────────────────── */
.sidebar-dropdown-menu-item.active .sidebar-dropdown-menu-item-content {
    background: var(--sidebar-active-bg);
}

.sidebar-dropdown-menu-item.active .sidebar-dropdown-menu-item-content::before {
    opacity: 1;
}

.sidebar-dropdown-menu-item.active .sidebar-menu-item-desc {
    color: var(--sidebar-accent);
    font-weight: 600;
}

.sidebar-dropdown-menu-item.active .sidebar-menu-item-icon {
    color: var(--sidebar-accent);
}

/* ── Group Count Badge ──────────────────────────────────────────── */
.sidebar-dropdown-count {
    font-size: 0.688rem;
    font-weight: 700;
    color: var(--sidebar-text-muted);
    background: rgba(107, 114, 128, 0.15);
    padding: 2px 7px;
    border-radius: 8px;
    margin-left: auto;
    margin-right: 4px;
    line-height: 1;
}

/* ── Dropdown Chevron ───────────────────────────────────────────── */
.dropdown-chevron {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    color: var(--sidebar-text-muted);
    transition: transform 0.3s ease, color 0.3s ease, background 0.3s ease;
    cursor: pointer;
    flex-shrink: 0;
}

.dropdown-chevron:hover {
    background: rgba(45, 212, 191, 0.1);
    color: var(--sidebar-accent);
}

.dropdown-chevron-active {
    transform: rotate(180deg);
    color: var(--sidebar-accent);
}

/* ── Sub-Menu Items Container ───────────────────────────────────── */
.dropdown-sub-menu-item-contents {
    background: var(--sidebar-sub-bg);
    border-left: 3px solid var(--sidebar-accent);
    border-radius: 0 10px 10px 0;
    margin: 4px 0 4px 16px;
    padding: 4px 0;
}

.dropdown-sub-menu-item-contents .sidebar-menu-item {
    margin: 1px 4px;
}

.dropdown-sub-menu-item-contents .sidebar-menu-item-content {
    padding: 8px 12px;
    font-size: 0.813rem;
    border-radius: 10px;
}

.dropdown-sub-menu-item-contents .sidebar-menu-item-icon {
    width: 24px;
    height: 24px;
    font-size: 0.875rem;
}

.dropdown-sub-menu-item-contents .sidebar-menu-item-desc {
    font-size: 0.813rem;
    font-weight: 400;
}

/* ── Loading State ──────────────────────────────────────────────── */
.sidebar-menu-item.loading .sidebar-menu-item-icon {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* ── Food-Themed Icon Glow ─────────────────────────────────────── */
.sidebar-menu-item:hover .sidebar-menu-item-icon .fa-utensils,
.sidebar-dropdown-menu-item:hover .sidebar-menu-item-icon .fa-utensils {
    filter: drop-shadow(0 0 4px rgba(45, 212, 191, 0.5));
}

.sidebar-menu-item:hover .sidebar-menu-item-icon .fa-pizza-slice,
.sidebar-dropdown-menu-item:hover .sidebar-menu-item-icon .fa-pizza-slice {
    filter: drop-shadow(0 0 4px rgba(239, 68, 68, 0.5));
}

.sidebar-menu-item:hover .sidebar-menu-item-icon .fa-hamburger,
.sidebar-dropdown-menu-item:hover .sidebar-menu-item-icon .fa-hamburger {
    filter: drop-shadow(0 0 4px rgba(234, 179, 8, 0.5));
}

/* ── Mobile Toggle Button ──────────────────────────────────────── */
.mobile-side-bar-toggler {
    position: fixed;
    top: 16px;
    left: 16px;
    width: 44px;
    height: 44px;
    background: var(--sidebar-card);
    border: 1px solid var(--sidebar-border);
    border-radius: 12px;
    color: var(--sidebar-accent);
    font-size: 1.2rem;
    display: none;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 999;
    transition: all var(--sidebar-transition);
}

.mobile-side-bar-toggler:hover {
    background: var(--sidebar-hover-bg);
    transform: scale(1.05);
}

/* ── Main Content Offset ───────────────────────────────────────── */
.main-container {
    margin-left: var(--sidebar-width);
    transition: margin-left 0.3s ease;
}

/* ── Focus Visible ─────────────────────────────────────────────── */
.sidebar-menu-item:focus-visible .sidebar-menu-item-content,
.sidebar-dropdown-menu-item:focus-visible .sidebar-dropdown-menu-item-content {
    outline: 2px solid var(--sidebar-accent);
    outline-offset: -2px;
}

/* ── Print ──────────────────────────────────────────────────────── */
@media print {
    .sidebar-container {
        display: none !important;
    }
    .main-container {
        margin-left: 0 !important;
    }
}

/* ── Mobile Responsive ─────────────────────────────────────────── */
@media (max-width: 768px) {
    .sidebar-container {
        position: fixed;
        top: 0;
        left: 0;
        transform: translateX(-100%);
        z-index: 1001;
        box-shadow: none;
        transition: transform 0.3s ease;
    }

    .sidebar-container.mobile-open {
        transform: translateX(0);
        box-shadow: 4px 0 20px rgba(0, 0, 0, 0.5);
    }

    .sidebar-container.mobile-open::before {
        content: '';
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.5);
        backdrop-filter: blur(4px);
        z-index: -1;
    }

    .mobile-side-bar-toggler {
        display: flex;
    }

    .main-container {
        margin-left: 0;
    }

    .sidebar-title {
        padding: 16px 12px 12px;
    }

    .sidebar-menu-container {
        padding: 6px 8px;
    }
}

/* ── Glassy Effect ──────────────────────────────────────────────── */
.sidebar-container.glassy {
    backdrop-filter: blur(10px);
}

.glass-container {
    background: linear-gradient(180deg, var(--sidebar-bg) 0%, var(--sidebar-bg-end) 100%);
}

/* ── Bottom Nav (Mobile) ───────────────────────────────────────── */
.mobile-bottom-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--sidebar-bg);
    border-top: 1px solid var(--sidebar-border);
    padding: 8px 0;
    padding-bottom: calc(8px + env(safe-area-inset-bottom));
    z-index: 999;
    justify-content: space-around;
    align-items: center;
}

@media (max-width: 768px) {
    .mobile-bottom-nav {
        display: flex;
    }
}

.bottom-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: 6px 12px;
    color: var(--sidebar-text-muted);
    text-decoration: none;
    font-size: 0.688rem;
    font-weight: 500;
    cursor: pointer;
    transition: color var(--sidebar-transition);
    border-radius: 10px;
}

.bottom-nav-item i {
    font-size: 1.125rem;
    margin-bottom: 2px;
}

.bottom-nav-item:hover,
.bottom-nav-item.active {
    color: var(--sidebar-accent);
}

.bottom-nav-item.active {
    background: var(--sidebar-active-bg);
}