:root {
    /* Default theme (royal): Blue + Pink + Purple */
    --blue: #3b82f6;
    --pink: #ec4899;
    --purple: #7c3aed;
    --ivory: #fff7ed;

    --primary: var(--purple);
    --primary-dark: #5b21b6;
    --primary-light: #a78bfa;
    --accent: var(--pink);

    --secondary: #0b1220;
    --dark: #0a0f1f;
    --darker: #050816;
    --light: #f8fafc;
    --gray: #94a3b8;

    --bg-blob-1: rgba(59, 130, 246, 0.25);
    --bg-blob-2: rgba(236, 72, 153, 0.22);
    --bg-blob-3: rgba(124, 58, 237, 0.26);
    --success: #28a745;
    --warning: #ffc107;
    --danger: #dc3545;
    --info: #17a2b8;
}

/* Theme: classic (old red) */
html[data-theme="classic"] {
    --primary: #8B0000;
    --primary-dark: #5A0000;
    --primary-light: #B22222;
    --accent: #ff4d6d;

    --secondary: #2C2C2C;
    --dark: #1A1A1A;
    --darker: #0F0F0F;
    --light: #F5F5F5;
    --gray: #808080;

    --bg-blob-1: rgba(178, 34, 34, 0.18);
    --bg-blob-2: rgba(139, 0, 0, 0.18);
    --bg-blob-3: rgba(255, 77, 109, 0.14);
}

/* Theme: rose-ivory (pink + ivory + purple) */
html[data-theme="rose_ivory"] {
    --primary: #ec4899;
    --primary-dark: #be185d;
    --primary-light: #f9a8d4;
    --accent: #7c3aed;

    --secondary: #1b1230;
    --dark: #140b26;
    --darker: #0a0614;
    --light: #fff7ed;
    --gray: #cbd5e1;

    --bg-blob-1: rgba(236, 72, 153, 0.24);
    --bg-blob-2: rgba(255, 247, 237, 0.10);
    --bg-blob-3: rgba(124, 58, 237, 0.20);
}

/* Theme: ocean (blue + teal + purple) */
html[data-theme="ocean"] {
    --primary: #3b82f6;
    --primary-dark: #1d4ed8;
    --primary-light: #93c5fd;
    --accent: #14b8a6;

    --secondary: #071827;
    --dark: #06121f;
    --darker: #030a12;
    --light: #f8fafc;
    --gray: #94a3b8;

    --bg-blob-1: rgba(59, 130, 246, 0.22);
    --bg-blob-2: rgba(20, 184, 166, 0.18);
    --bg-blob-3: rgba(124, 58, 237, 0.16);
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: radial-gradient(1200px 700px at 10% 10%, var(--bg-blob-1) 0%, transparent 60%),
                radial-gradient(900px 600px at 90% 10%, var(--bg-blob-2) 0%, transparent 55%),
                radial-gradient(1000px 700px at 60% 90%, var(--bg-blob-3) 0%, transparent 60%),
                linear-gradient(135deg, var(--darker) 0%, var(--secondary) 100%);
    color: var(--light);
    min-height: 100vh;
}

body.sidebar-open {
    overflow: hidden;
}

/* Login Page */
.login-container {
    max-width: 400px;
    margin: 100px auto;
    padding: 30px;
    background: rgba(0, 0, 0, 0.8);
    border-radius: 10px;
    box-shadow: 0 15px 35px rgba(124, 58, 237, 0.25);
    border: 1px solid var(--primary);
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header h2 {
    color: var(--primary);
    font-size: 28px;
    margin-bottom: 10px;
}

.login-header img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    border: 3px solid var(--primary);
}

/* Dashboard Layout */
.dashboard {
    display: grid;
    grid-template-columns: 250px 1fr;
    min-height: 100vh;
}

.sidebar {
    background: var(--dark);
    padding: 20px;
    border-right: 2px solid var(--primary);
    position: relative;
    overflow-y: auto;
}

.sidebar-header {
    text-align: center;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--primary);
    margin-bottom: 20px;
}

.sidebar-header h3 {
    color: var(--primary);
    font-size: 20px;
}

.sidebar-menu {
    list-style: none;
}

.sidebar-menu li {
    margin-bottom: 10px;
}

.sidebar-menu a {
    display: block;
    padding: 12px 15px;
    color: var(--light);
    text-decoration: none;
    border-radius: 5px;
    transition: all 0.3s;
}

.sidebar-menu a:hover,
.sidebar-menu a.active {
    background: var(--primary);
    transform: translateX(5px);
}

.sidebar-menu i {
    margin-right: 10px;
    width: 20px;
}

.main-content {
    padding: 20px;
}

.mobile-menu-toggle {
    display: none;
}

.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    z-index: 1999;
}

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

/* Top Navigation */
.top-nav {
    background: var(--dark);
    padding: 15px 20px;
    border-radius: 10px;
    margin-bottom: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    border: 1px solid var(--primary);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.user-info img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid var(--primary);
}

/* Cards */
.card-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.card {
    background: var(--dark);
    border-radius: 10px;
    padding: 20px;
    border: 1px solid var(--primary);
    transition: transform 0.3s;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(236, 72, 153, 0.18);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.card-header i {
    font-size: 30px;
    color: var(--primary);
}

.card-value {
    font-size: 28px;
    font-weight: bold;
    color: var(--primary);
}

/* Tables */
.table-container {
    background: var(--dark);
    border-radius: 10px;
    padding: 20px;
    border: 1px solid var(--primary);
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th {
    background: var(--primary);
    color: white;
    padding: 12px;
    font-weight: 500;
}

td {
    padding: 12px;
    border-bottom: 1px solid var(--secondary);
}

tr:hover {
    background: rgba(124, 58, 237, 0.12);
}

/* Forms */
.form-container {
    max-width: 600px;
    margin: 0 auto;
    background: var(--dark);
    padding: 30px;
    border-radius: 10px;
    border: 1px solid var(--primary);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    color: var(--primary);
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--gray);
    border-radius: 5px;
    background: var(--secondary);
    color: var(--light);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.25);
}

/* Buttons */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.btn-success {
    background: var(--success);
    color: white;
}

.btn-warning {
    background: var(--warning);
    color: black;
}

.btn-danger {
    background: var(--danger);
    color: white;
}

/* Order Items */
.order-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 20px;
}

.menu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 15px;
}

.menu-item {
    background: var(--dark);
    border-radius: 8px;
    padding: 15px;
    border: 1px solid var(--primary);
    cursor: pointer;
    transition: all 0.3s;
}

.menu-item:hover {
    transform: scale(1.05);
    background: var(--primary);
}

.menu-item img {
    width: 100%;
    height: 120px;
    object-fit: cover;
    border-radius: 5px;
    margin-bottom: 10px;
}

.menu-item h4 {
    font-size: 16px;
    margin-bottom: 5px;
}

.menu-item .price {
    color: var(--primary);
    font-weight: bold;
    font-size: 14px;
}

/* Tables Grid */
.tables-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 15px;
}

.table-card {
    background: var(--dark);
    border-radius: 8px;
    padding: 15px;
    text-align: center;
    border: 1px solid var(--primary);
    cursor: pointer;
}

.table-card.occupied {
    border-color: var(--danger);
    background: rgba(220, 53, 69, 0.1);
}

.table-card.available {
    border-color: var(--success);
}

.table-card i {
    font-size: 30px;
    color: var(--primary);
    margin-bottom: 10px;
}

/* Kitchen Display */
.kitchen-header {
    background: var(--primary);
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.kitchen-orders {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.order-card {
    background: var(--dark);
    border-radius: 8px;
    padding: 15px;
    border: 1px solid var(--primary);
}

.order-items {
    list-style: none;
    margin: 10px 0;
}

.order-items li {
    padding: 8px;
    background: var(--secondary);
    margin-bottom: 5px;
    border-radius: 5px;
}

/* Status Badges */
.status-badge {
    display: inline-block;
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

.status-pending {
    background: var(--warning);
    color: black;
}

.status-preparing {
    background: var(--info);
    color: white;
}

.status-ready {
    background: var(--success);
    color: white;
}

.status-served {
    background: var(--primary);
    color: white;
}

.status-approved,
.status-paid,
.status-present {
    background: var(--success);
    color: white;
}

.status-rejected,
.status-cancelled,
.status-inactive,
.status-absent {
    background: var(--danger);
    color: white;
}

.status-late {
    background: var(--warning);
    color: black;
}

/* Financial Dashboard */
.financial-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 15px;
    margin-bottom: 20px;
}

.stat-card {
    background: var(--dark);
    border-radius: 8px;
    padding: 20px;
    border-left: 4px solid var(--primary);
}

.stat-card .label {
    color: var(--gray);
    font-size: 14px;
    margin-bottom: 5px;
}

.stat-card .value {
    font-size: 24px;
    font-weight: bold;
    color: var(--primary);
}

/* Employee Check In/Out */
.checkin-card {
    background: var(--dark);
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    border: 2px solid var(--primary);
}

.employee-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    border: 3px solid var(--primary);
    margin-bottom: 15px;
}

.time-display {
    font-size: 48px;
    color: var(--primary);
    margin: 20px 0;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .dashboard {
        grid-template-columns: 1fr;
    }
    
    .sidebar {
        display: block;
        position: fixed;
        top: 0;
        left: 0;
        height: 100vh;
        width: min(85vw, 280px);
        transform: translateX(-105%);
        transition: transform 0.2s ease-in-out;
        z-index: 2000;
    }

    .sidebar.open {
        transform: translateX(0);
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .order-grid {
        grid-template-columns: 1fr;
    }
    
    .form-container {
        padding: 15px;
    }
    
    .card-container {
        grid-template-columns: 1fr;
    }

    .login-container {
        margin: 40px auto;
        max-width: 92vw;
    }

    .sidebar-menu a:hover,
    .sidebar-menu a.active {
        transform: none;
    }
}

/* Print Styles */
@media print {
    .no-print {
        display: none;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .card, .table-container {
        background: white;
        border: 1px solid #ccc;
    }
}

/* Animations */
@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.5; }
    100% { opacity: 1; }
}

.pulse {
    animation: pulse 2s infinite;
}