@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;800&display=swap');

:root {
    --bg-gradient-start: #0f172a;
    --bg-gradient-end: #1e293b;
    --card-bg: rgba(255, 255, 255, 0.05);
    --card-border: rgba(255, 255, 255, 0.1);
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --accent-glow: rgba(59, 130, 246, 0.5);
    --success: #10b981;
    --danger: #ef4444;
}

body {
    margin: 0;
    font-family: 'Inter', sans-serif;
    background: linear-gradient(135deg, var(--bg-gradient-start), var(--bg-gradient-end));
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Glassmorphism utility */
.glass {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    width: 100%;
    box-sizing: border-box;
}

/* Nav */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--card-border);
}

nav .logo {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(90deg, #60a5fa, #3b82f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    text-decoration: none;
    display: inline-block;
}

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

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--accent-glow);
}

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.card {
    padding: 1.5rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.card h3 {
    margin-top: 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.card .value {
    font-size: 2.5rem;
    font-weight: 800;
    margin: 0.5rem 0 0 0;
}

/* Table */
.data-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

.data-table th, .data-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--card-border);
}

.data-table th {
    color: var(--text-secondary);
    font-weight: 600;
}

.badge {
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
}

.badge.success { background: rgba(16, 185, 129, 0.2); color: var(--success); }

/* Kiosk Video */
.video-container {
    position: relative;
    width: 100%;
    max-width: 640px;
    margin: 0 auto;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

#kiosk-video {
    width: 100%;
    height: auto;
    display: block;
    transform: scaleX(-1);
}

.overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 200px;
    border: 2px dashed rgba(255,255,255,0.5);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: translate(-50%, -50%) scale(1); opacity: 0.8; }
    50% { transform: translate(-50%, -50%) scale(1.05); opacity: 0.4; }
    100% { transform: translate(-50%, -50%) scale(1); opacity: 0.8; }
}

.scan-status {
    text-align: center;
    margin-top: 1.5rem;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-secondary);
}

/* Auth Specifics */
.auth-body {
    display: flex;
    justify-content: center;
    align-items: center;
    background: radial-gradient(circle at top right, var(--bg-gradient-end), var(--bg-gradient-start));
}

.auth-container {
    width: 100%;
    max-width: 420px;
    padding: 3rem 2.5rem;
    box-sizing: border-box;
    animation: slideUp 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideUp {
    0% { transform: translateY(30px); opacity: 0; }
    100% { transform: translateY(0); opacity: 1; }
}

.center-logo {
    text-align: center;
    margin-bottom: 2rem;
    font-size: 1.8rem;
}

.auth-title {
    text-align: center;
    margin: 0;
    font-size: 1.5rem;
    color: var(--text-primary);
}

.auth-subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 0.9rem;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.input-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: 0.5px;
}

.input-group input, .input-group select {
    padding: 0.85rem 1rem;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(0, 0, 0, 0.2);
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.input-group input:focus, .input-group select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
    background: rgba(0, 0, 0, 0.4);
}

.btn-block {
    width: 100%;
    margin-top: 1rem;
    padding: 1rem;
    font-size: 1rem;
}

.auth-link {
    text-align: center;
    margin-top: 1.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.auth-link a {
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
}

.auth-link a:hover {
    text-decoration: underline;
}

.auth-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--danger);
    color: var(--danger);
    padding: 0.75rem;
    border-radius: 8px;
    text-align: center;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}