:root {
    --bg-color: #0d1117;
    --card-bg: #161b22;
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --accent-color: #00f0ff; /* Cyber Cyan */
    --accent-glow: rgba(0, 240, 255, 0.4);
    --success-color: #2ea043;
    --danger-color: #da3633;
    --font-mono: 'JetBrains Mono', monospace;
    --font-sans: 'Inter', sans-serif;
    --border-color: #30363d;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-sans);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(0, 240, 255, 0.05) 0%, transparent 20%),
        radial-gradient(circle at 90% 80%, rgba(46, 160, 67, 0.05) 0%, transparent 20%);
    overflow-x: hidden;
}

/* Background Scan Line Effect */
.scan-line {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--accent-color);
    opacity: 0.1;
    animation: scan 5s linear infinite;
    z-index: 0;
    pointer-events: none;
}

@keyframes scan {
    0% { top: -10px; }
    100% { top: 105vh; }
}

.app-container {
    width: 90%;
    max-width: 1000px;
    z-index: 1;
    padding: 2rem;
}

.header {
    text-align: center;
    margin-bottom: 3rem;
    animation: fadeInDown 0.8s ease-out;
}

.logo h1 {
    font-family: var(--font-mono);
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -1px;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    display: inline-flex;
    align-items: center;
    gap: 15px;
}

.icon {
    font-size: 2rem;
}

.badge {
    font-size: 0.8rem;
    background: rgba(0, 240, 255, 0.1);
    color: var(--accent-color);
    padding: 4px 8px;
    border: 1px solid var(--accent-color);
    border-radius: 4px;
    vertical-align: middle;
    letter-spacing: 1px;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.input-section {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
    margin-bottom: 2rem;
    backdrop-filter: blur(10px);
    animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

.input-wrapper {
    display: flex;
    align-items: center;
    background: #0d1117;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 4px;
    transition: all 0.3s ease;
}

.input-wrapper:focus-within {
    border-color: var(--accent-color);
    box-shadow: 0 0 15px var(--accent-glow);
}

.prefix {
    padding: 0 1rem;
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    user-select: none;
}

input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-primary);
    padding: 1rem 0;
    font-family: var(--font-mono);
    font-size: 1rem;
    outline: none;
}

button {
    background: var(--accent-color);
    color: #000;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 6px;
    font-weight: 700;
    cursor: pointer;
    font-family: var(--font-mono);
    transition: all 0.2s ease;
    text-transform: uppercase;
}

button:hover {
    transform: translateY(-1px);
    box-shadow: 0 5px 15px var(--accent-glow);
}

button:active {
    transform: translateY(1px);
}

.status-text {
    margin-top: 1rem;
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    text-align: center;
}

.viewport-container {
    background: #000;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 30px 60px rgba(0,0,0,0.5);
    border: 1px solid var(--border-color);
    opacity: 0;
    transform: scale(0.95);
    transition: all 0.5s ease;
    display: none; /* Hidden by default */
}

.viewport-container.visible {
    display: block;
    opacity: 1;
    transform: scale(1);
}

.viewport-header {
    background: #20262e;
    padding: 0.8rem 1rem;
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.traffic-lights {
    display: flex;
    gap: 8px;
    margin-right: 1rem;
}

.light {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.red { background: #ff5f56; }
.yellow { background: #ffbd2e; }
.green { background: #27c93f; }

.address-bar {
    background: #0d1117;
    flex: 1;
    padding: 6px 12px;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-align: center;
}

.viewport-content {
    position: relative;
    min-height: 400px;
    background: #111;
    display: flex;
    justify-content: center;
    align-items: center;
}

#snapshotImg {
    width: 100%;
    height: auto;
    display: block;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.loader {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 50px;
    height: 50px;
}

.scanner {
    width: 100%;
    height: 100%;
    border: 2px solid transparent;
    border-top-color: var(--accent-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.scanner::before {
    content: '';
    position: absolute;
    top: 5px;
    left: 5px;
    right: 5px;
    bottom: 5px;
    border: 2px solid transparent;
    border-top-color: var(--success-color);
    border-radius: 50%;
    animation: spin 2s linear infinite reverse;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.footer {
    text-align: center;
    margin-top: 3rem;
    color: #484f58;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 2px;
}

@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}