:root {
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --bg-dark: #0f172a;
    --card-bg: rgba(30, 41, 59, 0.7);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --glass-border: rgba(255, 255, 255, 0.1);
    --success: #10b981;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

body {
    background: var(--bg-dark);
    background-image: 
        radial-gradient(at 0% 0%, rgba(99, 102, 241, 0.15) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(168, 85, 247, 0.15) 0px, transparent 50%);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.navbar {
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(to right, #818cf8, #c084fc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    margin-left: 2rem;
    transition: 0.3s;
    font-weight: 500;
}

.nav-links a:hover {
    color: var(--text-main);
}

.container {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem;
}

.card {
    background: var(--card-bg);
    backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 2.5rem;
    width: 100%;
    max-width: 500px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    text-align: center;
}

h1 { font-size: 2rem; margin-bottom: 0.5rem; }
p { color: var(--text-muted); margin-bottom: 2rem; }

.video-container {
    position: relative;
    width: 100%;
    aspect-ratio: 4/3;
    background: #000;
    border-radius: 16px;
    overflow: hidden;
    margin-bottom: 2rem;
    border: 2px solid var(--glass-border);
}

#webcam, #overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.btn {
    background: var(--primary);
    color: white;
    border: none;
    padding: 0.8rem 2rem;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: 0.3s;
    width: 100%;
    font-size: 1rem;
}

.btn:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(99, 102, 241, 0.3);
}

.btn:disabled {
    background: var(--text-muted);
    cursor: not-allowed;
    transform: none;
}

.form-group {
    text-align: left;
    margin-bottom: 1.5rem;
}

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

input {
    width: 100%;
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid var(--glass-border);
    padding: 0.8rem 1rem;
    border-radius: 12px;
    color: white;
    outline: none;
    transition: 0.3s;
}

input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
}

.status-indicator {
    margin-top: 1rem;
    font-size: 0.9rem;
    font-weight: 500;
}

.status-loading { color: #f59e0b; }
.status-success { color: var(--success); }
.status-error { color: #ef4444; }

/* Dashboard Table */
.table-container {
    width: 100%;
    max-width: 1000px;
    background: var(--card-bg);
    backdrop-filter: blur(16px);
    border-radius: 24px;
    overflow: hidden;
    border: 1px solid var(--glass-border);
}

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

th {
    background: rgba(255, 255, 255, 0.05);
    text-align: left;
    padding: 1rem 1.5rem;
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
}

td {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--glass-border);
}

tr:hover {
    background: rgba(255, 255, 255, 0.02);
}