/* ======================================================
   E-KANTIN HIGH-TECH GLASSMORPHISM DESIGN SYSTEM (TI EDITION)
   ====================================================== */

:root {
    --bg-main: #0b0f19;
    --bg-card: rgba(22, 30, 46, 0.75);
    --bg-card-hover: rgba(30, 41, 64, 0.9);
    --border-glass: rgba(255, 255, 255, 0.08);
    --border-glass-light: rgba(99, 102, 241, 0.25);
    
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --primary-glow: rgba(99, 102, 241, 0.4);
    
    --accent: #06b6d4;
    --accent-hover: #0891b2;
    --accent-glow: rgba(6, 182, 212, 0.35);
    
    --success: #10b981;
    --success-glow: rgba(16, 185, 129, 0.3);
    
    --warning: #f59e0b;
    --danger: #ef4444;
    --danger-glow: rgba(239, 68, 68, 0.3);
    
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --text-dim: #64748b;
    
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    
    --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    --font-family: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: var(--font-family);
}

body {
    background-color: var(--bg-main);
    background-image: 
        radial-gradient(at 0% 0%, rgba(99, 102, 241, 0.2) 0px, transparent 55%),
        radial-gradient(at 100% 100%, rgba(6, 182, 212, 0.18) 0px, transparent 55%),
        radial-gradient(at 50% 50%, rgba(139, 92, 246, 0.12) 0px, transparent 60%);
    background-attachment: fixed;
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

/* Glassmorphism Cards & Containers */
.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    box-shadow: 0 15px 35px -5px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

.glass-card-hover:hover {
    transform: translateY(-6px) scale(1.01);
    border-color: var(--border-glass-light);
    box-shadow: 0 25px 45px -10px rgba(0, 0, 0, 0.6), 0 0 25px var(--primary-glow);
}

/* Tech Header Banner */
.tech-banner {
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.8), rgba(15, 23, 42, 0.9));
    border: 1px solid var(--border-glass-light);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5), 0 0 30px var(--primary-glow);
    border-radius: var(--radius-xl);
}

/* Navbar */
.navbar-glass {
    background: rgba(11, 15, 25, 0.88);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid var(--border-glass);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 1.1rem 1.75rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    text-decoration: none;
    color: var(--text-main);
    font-weight: 700;
    font-size: 1.4rem;
    letter-spacing: -0.02em;
}

.brand-icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    box-shadow: 0 0 20px var(--primary-glow);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    list-style: none;
    flex-wrap: wrap;
}

.nav-link {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    padding: 0.55rem 0.9rem;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.nav-link:hover, .nav-link.active {
    color: var(--text-main);
    background: rgba(255, 255, 255, 0.08);
}

/* Typography & Badges */
.text-gradient {
    background: linear-gradient(135deg, #a5b4fc, #38bdf8, #818cf8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.badge-stok {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.35rem 0.85rem;
    border-radius: 20px;
    font-size: 0.825rem;
    font-weight: 600;
}

.badge-stok.available {
    background: var(--success-glow);
    color: #6ee7b7;
    border: 1px solid rgba(16, 185, 129, 0.4);
}

.badge-stok.empty {
    background: var(--danger-glow);
    color: #fca5a5;
    border: 1px solid rgba(239, 68, 68, 0.4);
}

.badge-kategori {
    background: rgba(99, 102, 241, 0.18);
    color: #c7d2fe;
    border: 1px solid rgba(99, 102, 241, 0.35);
    padding: 0.3rem 0.75rem;
    border-radius: 20px;
    font-size: 0.825rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.7rem 1.4rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    font-size: 0.95rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-hover));
    color: white;
    box-shadow: 0 4px 20px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--primary-glow);
    opacity: 0.95;
}

.btn-accent {
    background: linear-gradient(135deg, var(--accent), #0284c7);
    color: white;
    box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--accent-glow);
    opacity: 0.95;
}

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

.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-danger {
    background: var(--danger);
    color: white;
    box-shadow: 0 4px 15px var(--danger-glow);
}

.btn-danger:hover {
    background: #dc2626;
}

.btn-sm {
    padding: 0.45rem 0.95rem;
    font-size: 0.85rem;
}

.btn-lg {
    padding: 0.9rem 1.85rem;
    font-size: 1.05rem;
}

/* Form Controls */
.form-group {
    margin-bottom: 1.35rem;
}

.form-label {
    display: block;
    margin-bottom: 0.55rem;
    font-weight: 600;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.form-control {
    width: 100%;
    padding: 0.8rem 1.1rem;
    background: rgba(11, 15, 25, 0.7);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    color: var(--text-main);
    font-size: 0.95rem;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
    background: rgba(11, 15, 25, 0.9);
}

.form-control::placeholder {
    color: var(--text-dim);
}

/* Alerts */
.alert {
    padding: 0.95rem 1.35rem;
    border-radius: var(--radius-md);
    margin-bottom: 1.35rem;
    font-size: 0.935rem;
    display: flex;
    align-items: center;
    gap: 0.85rem;
}

.alert-success {
    background: rgba(16, 185, 129, 0.18);
    border: 1px solid rgba(16, 185, 129, 0.4);
    color: #6ee7b7;
}

.alert-danger {
    background: rgba(239, 68, 68, 0.18);
    border: 1px solid rgba(239, 68, 68, 0.4);
    color: #fca5a5;
}

.alert-warning {
    background: rgba(245, 158, 11, 0.18);
    border: 1px solid rgba(245, 158, 11, 0.4);
    color: #fcd34d;
}

/* Grid Layouts */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

.grid-menu {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.6rem;
}

.grid-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.35rem;
}

/* Menu Item Card */
.menu-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
    position: relative;
}

.menu-card-img {
    height: 180px;
    background: linear-gradient(135deg, #1e293b, #0f172a);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3.8rem;
    color: var(--text-muted);
}

.menu-card-body {
    padding: 1.35rem;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.menu-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.4rem;
    color: var(--text-main);
}

.menu-price {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--accent);
    margin-top: auto;
    padding-top: 0.85rem;
}

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

.custom-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    text-align: left;
    font-size: 0.935rem;
}

.custom-table th {
    background: rgba(11, 15, 25, 0.85);
    padding: 1.1rem 1.35rem;
    color: var(--text-muted);
    font-weight: 600;
    border-bottom: 1px solid var(--border-glass-light);
}

.custom-table td {
    padding: 1.1rem 1.35rem;
    border-bottom: 1px solid var(--border-glass);
    color: var(--text-main);
    vertical-align: middle;
}

.custom-table tbody tr {
    transition: var(--transition);
}

.custom-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.04);
}

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(11, 15, 25, 0.85);
    backdrop-filter: blur(12px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

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

.modal-container {
    background: #161e2e;
    border: 1px solid var(--border-glass-light);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 520px;
    padding: 2.25rem;
    box-shadow: 0 25px 60px -10px rgba(0, 0, 0, 0.7), 0 0 30px var(--primary-glow);
    transform: scale(0.95);
    transition: var(--transition);
}

.modal-overlay.active .modal-container {
    transform: scale(1);
}

/* Receipt Paper */
.receipt-paper {
    background: #ffffff;
    color: #0f172a;
    max-width: 440px;
    margin: 0 auto;
    padding: 2.75rem 2.25rem;
    border-radius: var(--radius-md);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.6);
    font-family: 'Courier New', Courier, monospace;
}

.receipt-header {
    text-align: center;
    border-bottom: 2px dashed #94a3b8;
    padding-bottom: 1.1rem;
    margin-bottom: 1.1rem;
}

.receipt-header h2 {
    font-family: var(--font-family);
    font-weight: 700;
    color: #0f172a;
    font-size: 1.6rem;
}

.receipt-table {
    width: 100%;
    margin: 1.1rem 0;
    border-collapse: collapse;
}

.receipt-table td {
    padding: 0.45rem 0;
    color: #334155;
}

.receipt-divider {
    border-top: 1px dashed #94a3b8;
    margin: 1.1rem 0;
}

@media print {
    body {
        background: #ffffff !important;
        color: #000000 !important;
    }
    .navbar-glass, .btn, .no-print {
        display: none !important;
    }
    .receipt-paper {
        box-shadow: none !important;
        padding: 0 !important;
        width: 100% !important;
        max-width: 100% !important;
    }
}

/* Animations & Utility */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
    animation: fadeIn 0.45s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.max-w-400 { max-width: 400px; }
.max-w-500 { max-width: 500px; }
.max-w-600 { max-width: 600px; }
.w-100 { width: 100%; }
.d-flex { display: flex; }
.align-items-center { align-items: center; }
.justify-content-between { justify-content: space-between; }
.justify-content-center { justify-content: center; }
.flex-column { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 1rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.p-3 { padding: 1rem; }
.p-4 { padding: 1.5rem; }
.p-5 { padding: 2.25rem; }
.text-center { text-align: center; }
.text-start { text-align: left; }
.text-end { text-align: right; }
.text-white { color: #ffffff; }
.text-muted { color: var(--text-muted); }
.min-vh-100 { min-height: 100vh; }
.font-weight-700 { font-weight: 700; }
.font-mono { font-family: monospace; }

/* Payment Selector Grid & Radio Tiles */
.payment-selector-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.85rem;
}

.payment-card-option {
    cursor: pointer;
    position: relative;
    display: block;
}

.radio-payment-input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.payment-card-box {
    background: rgba(15, 23, 42, 0.7);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    padding: 0.85rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: var(--transition);
}

.payment-icon {
    font-size: 1.6rem;
}

.payment-info {
    display: flex;
    flex-direction: column;
}

.payment-info strong {
    color: var(--text-main);
    font-size: 0.9rem;
}

.payment-info small {
    color: var(--text-muted);
    font-size: 0.75rem;
}

.payment-card-option:hover .payment-card-box {
    border-color: var(--border-glass-light);
    background: rgba(30, 41, 64, 0.8);
}

.radio-payment-input:checked + .payment-card-box {
    background: rgba(99, 102, 241, 0.2);
    border-color: var(--primary);
    box-shadow: 0 0 15px var(--primary-glow);
}

.radio-payment-input:checked + .payment-card-box .payment-info strong {
    color: #a5b4fc;
}

@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        align-items: flex-start;
    }
    .nav-links {
        width: 100%;
        justify-content: flex-start;
    }
    .payment-selector-grid {
        grid-template-columns: 1fr;
    }
}