:root {
    --bg-color: #030a16;
    --neon-blue: #00f3ff;
    --neon-pink: #ff00ea;
    --neon-green: #00ff66;
    --neon-red: #ff3333;
    --text-primary: #e0faff;
    --text-secondary: #00a8cc;
    --panel-bg: rgba(4, 15, 30, 0.85);
    --font-heading: 'Orbitron', sans-serif;
    --font-mono: 'Share Tech Mono', monospace;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-mono);
    overflow-x: hidden;
    min-height: 100vh;
}

/* Background Effects */
.background-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 200vw;
    height: 200vh;
    background-image: 
        linear-gradient(rgba(0, 243, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 243, 255, 0.05) 1px, transparent 1px);
    background-size: 40px 40px;
    z-index: -2;
    transform: perspective(500px) rotateX(60deg) translateY(-100px) translateZ(-200px);
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% { transform: perspective(500px) rotateX(60deg) translateY(0) translateZ(-200px); }
    100% { transform: perspective(500px) rotateX(60deg) translateY(40px) translateZ(-200px); }
}

.scanline {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: linear-gradient(
        to bottom,
        rgba(255, 255, 255, 0),
        rgba(255, 255, 255, 0) 50%,
        rgba(0, 243, 255, 0.1) 50%,
        rgba(0, 243, 255, 0.1) 100%
    );
    background-size: 100% 4px;
    z-index: 1000;
    pointer-events: none;
    opacity: 0.15;
}

.cyber-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    padding: 2rem;
}

/* Navigation */
.cyber-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background: var(--panel-bg);
    border-bottom: 2px solid var(--neon-blue);
    box-shadow: 0 0 15px rgba(0, 243, 255, 0.2);
    border-radius: 8px;
    margin-bottom: 2rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.scanner-icon {
    color: var(--neon-blue);
    font-size: 1.5rem;
    animation: pulse 2s infinite;
}

.neon-text {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
    text-shadow: 0 0 10px var(--neon-blue), 0 0 20px var(--neon-blue);
    letter-spacing: 2px;
}

.version {
    color: var(--text-secondary);
    font-size: 0.8rem;
    margin-top: 10px;
}

.nav-links {
    display: flex;
    gap: 1.5rem;
    list-style: none;
}

.nav-btn {
    text-decoration: none;
    color: var(--text-primary);
    font-family: var(--font-heading);
    font-size: 1rem;
    padding: 0.5rem 1rem;
    border: 1px solid transparent;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-btn:hover {
    color: var(--neon-blue);
    border-bottom: 1px solid var(--neon-blue);
    text-shadow: 0 0 5px var(--neon-blue);
}

.admin-btn:hover {
    color: var(--neon-pink);
    border-bottom: 1px solid var(--neon-pink);
    text-shadow: 0 0 5px var(--neon-pink);
}

/* Main Content Area */
.content-wrapper {
    flex-grow: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Utilities */
@keyframes pulse {
    0% { opacity: 0.7; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.1); text-shadow: 0 0 10px var(--neon-blue); }
    100% { opacity: 0.7; transform: scale(1); }
}

/* Reusable Cyber Card */
.cyber-card {
    background: var(--panel-bg);
    border: 1px solid var(--neon-blue);
    border-radius: 10px;
    padding: 2rem;
    box-shadow: inset 0 0 20px rgba(0, 243, 255, 0.1), 0 0 20px rgba(0, 0, 0, 0.5);
    position: relative;
    overflow: hidden;
}

.cyber-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 20px; height: 2px;
    background: var(--neon-blue);
    box-shadow: 0 0 10px var(--neon-blue);
}

.cyber-card::after {
    content: '';
    position: absolute;
    bottom: 0; right: 0;
    width: 20px; height: 2px;
    background: var(--neon-blue);
    box-shadow: 0 0 10px var(--neon-blue);
}

.card-title {
    font-family: var(--font-heading);
    color: var(--neon-blue);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 2px;
}

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

.cyber-input {
    width: 100%;
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid var(--text-secondary);
    color: var(--text-primary);
    padding: 10px 15px;
    font-family: var(--font-mono);
    border-radius: 4px;
    outline: none;
    transition: all 0.3s;
}

.cyber-input:focus {
    border-color: var(--neon-blue);
    box-shadow: 0 0 10px rgba(0, 243, 255, 0.2);
}

.cyber-button {
    width: 100%;
    background: transparent;
    border: 1px solid var(--neon-blue);
    color: var(--neon-blue);
    padding: 10px 20px;
    font-family: var(--font-heading);
    font-size: 1rem;
    cursor: pointer;
    text-transform: uppercase;
    transition: all 0.3s ease;
    border-radius: 4px;
    letter-spacing: 1px;
}

.cyber-button:hover {
    background: var(--neon-blue);
    color: #000;
    box-shadow: 0 0 15px var(--neon-blue);
}

/* Webcam Window */
.webcam-container {
    position: relative;
    border: 2px solid var(--text-secondary);
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 1.5rem;
    background-color: #000;
    min-height: 240px;
    display: flex;
    justify-content: center;
    align-items: center;
}

video {
    width: 100%;
    max-width: 480px;
    height: auto;
    object-fit: cover;
    display: block;
}

canvas.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.status-indicator {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    text-align: center;
    margin-bottom: 1rem;
    min-height: 28px;
}

.status-detecting { color: var(--text-secondary); }
.status-success { color: var(--neon-green); text-shadow: 0 0 5px var(--neon-green); }
.status-error { color: var(--neon-red); text-shadow: 0 0 5px var(--neon-red); }

/* Progress bar for training */
.progress-container {
    width: 100%;
    height: 6px;
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid var(--text-secondary);
    border-radius: 3px;
    margin-top: 10px;
    overflow: hidden;
    display: none;
}

.progress-bar {
    height: 100%;
    width: 0%;
    background: var(--neon-blue);
    box-shadow: 0 0 10px var(--neon-blue);
    transition: width 0.3s ease;
}

/* Data Tables */
.cyber-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

.cyber-table th, .cyber-table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid rgba(0, 168, 204, 0.3);
}

.cyber-table th {
    color: var(--neon-blue);
    font-family: var(--font-heading);
    border-bottom: 2px solid var(--neon-blue);
}

.cyber-table tr:hover {
    background: rgba(0, 243, 255, 0.05);
}

.badge {
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: bold;
}

.badge-success { background: rgba(0, 255, 102, 0.2); color: var(--neon-green); border: 1px solid var(--neon-green); }
.badge-error { background: rgba(255, 51, 51, 0.2); color: var(--neon-red); border: 1px solid var(--neon-red); }

.delete-btn {
    background: transparent;
    color: var(--neon-red);
    border: 1px solid var(--neon-red);
    padding: 4px 8px;
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.3s;
}

.delete-btn:hover {
    background: var(--neon-red);
    color: #fff;
    box-shadow: 0 0 10px var(--neon-red);
}

/* Dashboard Grid for Admin */
.dashboard-grid {
    display: grid; 
    grid-template-columns: 1fr 1fr; 
    gap: 30px;
}

/* Responsive Table Wrapper */
.table-responsive {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .cyber-nav {
        flex-direction: column;
        gap: 15px;
        padding: 1rem;
    }
    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.8rem;
    }
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    .card-title {
        font-size: 1.2rem;
        flex-direction: column;
        gap: 10px;
    }
    .cyber-card {
        padding: 1rem;
    }
}