:root {
    /* Light Mode Variables (Default) */
    --bg-main: #f8fafc;
    --bg-sidebar: #ffffff;
    --bg-card: #ffffff;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --primary: #3b82f6;
    --primary-hover: #2563eb;
    --accent: #8b5cf6;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --border: #e2e8f0;
    --input-bg: #ffffff;

    --radius-sm: 0.375rem;
    --radius-md: 0.75rem;
    --radius-lg: 1.25rem;
    --radius-full: 9999px;

    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);

    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
    /* Dark Mode Variables */
    --bg-main: #0f172a;
    --bg-sidebar: #1e293b;
    --bg-card: #1e293b;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --border: #334155;
    --input-bg: rgba(15, 23, 42, 0.5);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Outfit', 'Inter', sans-serif;
    background-color: var(--bg-main);
    color: var(--text-main);
    display: flex;
    min-height: 100vh;
    overflow-x: hidden;
    transition: background-color 0.3s, color 0.3s;
}

/* Sidebar */
.sidebar {
    width: 280px;
    background-color: var(--bg-sidebar);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 40;
    transition: transform 0.3s ease, background-color 0.3s, border-color 0.3s;
}

.brand {
    padding: 2rem 1.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.brand i {
    -webkit-text-fill-color: initial;
    color: var(--primary);
}

.nav-links {
    list-style: none;
    padding: 1rem;
    flex-grow: 1;
}

.nav-item {
    margin-bottom: 0.5rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    color: var(--text-muted);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: var(--transition);
    font-weight: 500;
}

.nav-link:hover,
.nav-link.active {
    background-color: rgba(59, 130, 246, 0.1);
    color: var(--primary);
}

.nav-link.active {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.15), rgba(139, 92, 246, 0.15));
    border-left: 3px solid var(--primary);
}

.nav-link i {
    font-size: 1.25rem;
    transition: var(--transition);
}

.nav-link:hover i {
    transform: scale(1.1);
}

/* Sidebar Overlay for Mobile */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 30;
    opacity: 0;
    transition: opacity 0.3s ease;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 280px;
    padding: 2rem 3rem;
    transition: margin-left 0.3s ease, padding 0.3s ease;
    width: 100%;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3rem;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.mobile-toggle {
    display: none;
    background: transparent;
    border: none;
    color: var(--text-main);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
}

.page-title {
    font-size: 2rem;
    font-weight: 700;
}

.header-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.theme-toggle {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-main);
    padding: 0.5rem;
    font-size: 1.25rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.theme-toggle:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.5rem 1rem;
    background-color: var(--bg-card);
    border-radius: var(--radius-full);
    border: 1px solid var(--border);
    cursor: pointer;
    transition: var(--transition);
}

.user-profile:hover {
    border-color: var(--primary);
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: white;
}

/* Glassmorphism & Cards */
.card {
    background-color: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(59, 130, 246, 0.3);
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.03) 0%, rgba(255, 255, 255, 0) 100%);
    pointer-events: none;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.stat-icon {
    width: 54px;
    height: 54px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.stat-icon.blue {
    background-color: rgba(59, 130, 246, 0.1);
    color: var(--primary);
}

.stat-icon.green {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.stat-icon.orange {
    background-color: rgba(245, 158, 11, 0.1);
    color: var(--warning);
}

.stat-icon.purple {
    background-color: rgba(139, 92, 246, 0.1);
    color: var(--accent);
}

.stat-icon.red {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--danger);
}

.stat-info h4 {
    color: var(--text-muted);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.stat-info p {
    font-size: 1.5rem;
    font-weight: 700;
}

/* Tables */
.table-wrapper {
    width: 100%;
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    min-width: 500px;
}

th {
    text-align: left;
    padding: 1rem;
    color: var(--text-muted);
    font-weight: 500;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

td {
    padding: 1rem;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

tr:last-child td {
    border-bottom: none;
}

.status-badge {
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
}

.status-completed {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.status-pending {
    background-color: rgba(245, 158, 11, 0.1);
    color: var(--warning);
}

.status-cancelled {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--danger);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-family: inherit;
    font-size: 0.95rem;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-main);
}

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.form-control {
    width: 100%;
    padding: 0.875rem 1rem;
    background-color: var(--input-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-main);
    font-family: inherit;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.form-control::file-selector-button {
    background: var(--bg-sidebar);
    border: 1px solid var(--border);
    color: var(--text-main);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    margin-right: 1rem;
    transition: var(--transition);
}

.form-control::file-selector-button:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

/* Grid Layouts for sections */
.two-cols {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in {
    animation: fadeIn 0.5s ease-out forwards;
}

.delay-1 {
    animation-delay: 0.1s;
    opacity: 0;
}

.delay-2 {
    animation-delay: 0.2s;
    opacity: 0;
}

.delay-3 {
    animation-delay: 0.3s;
    opacity: 0;
}

/* Dashboard specific */
.popular-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border);
}

.popular-item:last-child {
    border-bottom: none;
}

.popular-img {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    background-color: var(--border);
    object-fit: cover;
}

.popular-details flex {
    flex: 1;
}

.popular-name {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.popular-sales {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.popular-price {
    font-weight: 700;
    color: var(--success);
}

/* Menu specific */
.menu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.menu-card {
    display: flex;
    flex-direction: column;
}

.menu-img {
    width: 100%;
    height: 160px;
    object-fit: cover;
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    background-color: var(--border);
}

.menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.menu-title {
    font-size: 1.1rem;
    font-weight: 600;
}

.menu-actions {
    display: flex;
    gap: 0.5rem;
}

.action-btn {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(15, 23, 42, 0.05);
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

[data-theme="dark"] .action-btn {
    background: rgba(255, 255, 255, 0.05);
}

.action-btn:hover {
    background: var(--primary);
    color: white;
}

.action-btn.delete:hover {
    background: var(--danger);
}

/* Toggle Switch */
.switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
    flex-shrink: 0;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--border);
    transition: .4s;
    border-radius: 34px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
    box-shadow: var(--shadow-sm);
}

input:checked+.slider {
    background: linear-gradient(135deg, var(--primary), var(--accent));
}

input:checked+.slider:before {
    transform: translateX(20px);
}

/* RESPONSIVE DESIGN */

/* Laptop / Small Desktop */
@media (max-width: 1200px) {
    .main-content {
        padding: 2rem;
    }
}

/* Tablet */
@media (max-width: 992px) {
    .two-cols {
        grid-template-columns: 1fr;
    }
}

/* Mobile & Small Tablet */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }

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

    .sidebar-overlay.open {
        display: block;
        opacity: 1;
    }

    .main-content {
        margin-left: 0;
        padding: 1.5rem;
    }

    .mobile-toggle {
        display: block;
    }

    .header {
        margin-bottom: 2rem;
    }

    .page-title {
        font-size: 1.5rem;
    }

    .user-profile span {
        display: none;
    }

    .form-grid {
        grid-template-columns: 1fr;
    }

    .stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }

    .menu-header-actions {
        flex-direction: column;
        align-items: stretch !important;
        gap: 1rem;
    }

    .menu-header-actions .form-control {
        width: 100% !important;
    }
}

/* Very small mobile */
@media (max-width: 480px) {
    .main-content {
        padding: 1rem;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .header-actions {
        gap: 0.5rem;
    }

    .theme-toggle,
    .user-profile {
        padding: 0.4rem;
    }

    .user-avatar {
        width: 32px;
        height: 32px;
    }
}

/* Offcanvas Drawer UI */
.drawer-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0,0,0,0.5);
    z-index: 1040;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease-in-out;
}

.drawer-overlay.open {
    opacity: 1;
    visibility: visible;
}

.drawer {
    position: fixed;
    top: 0;
    right: 0; /* Changed from left:0 to right:0 based on standard UI but will add option to slide from left if they want */
    width: 400px;
    max-width: 100vw;
    height: 100vh;
    background: var(--bg-card);
    z-index: 1050;
    box-shadow: var(--shadow-lg);
    transform: translateX(100%);
    transition: transform 0.3s cubic-bezier(0.82, 0.085, 0.395, 0.895);
    display: flex;
    flex-direction: column;
}

.drawer.left-drawer {
    right: auto;
    left: 0;
    transform: translateX(-100%);
}

.drawer.open {
    transform: translateX(0);
}

.drawer-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.drawer-header h3 {
    margin: 0;
    font-size: 1.25rem;
    color: var(--text-main);
}

.drawer-close {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
}

.drawer-close:hover {
    color: var(--text-main);
}

.drawer-body {
    padding: 1.5rem;
    flex-grow: 1;
    overflow-y: auto;
}

.drawer-footer {
    padding: 1.5rem;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
}