/* DartVerse Camera Web App Styles */

:root {
    --bg-primary: #0d0f14;
    --bg-secondary: #1a1d25;
    --bg-card: rgba(255, 255, 255, 0.06);
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.6);
    --accent-blue: #3b82f6;
    --accent-green: #22c55e;
    --accent-red: #ef4444;
    --accent-orange: #f97316;
    --border-color: rgba(255, 255, 255, 0.1);
    --border-radius: 16px;
    --border-radius-sm: 12px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.5;
}

.container {
    max-width: 480px;
    margin: 0 auto;
    padding: 24px 16px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* Header */
.header {
    text-align: center;
}

.header h1 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 4px;
}

.header .subtitle {
    color: var(--text-secondary);
    font-size: 14px;
}

/* Code Section */
.code-section {
    text-align: center;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 20px;
}

.code-label {
    color: var(--text-secondary);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.code-display {
    font-size: 36px;
    font-weight: 700;
    font-family: 'SF Mono', Monaco, Consolas, monospace;
    letter-spacing: 4px;
    color: var(--accent-blue);
    margin-bottom: 16px;
}

/* Preview Section */
.preview-section {
    display: flex;
    justify-content: center;
}

.preview-container {
    position: relative;
    width: 100%;
    aspect-ratio: 1;
    max-width: 400px;
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

#local-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scaleX(-1); /* Mirror for front camera */
}

.preview-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    color: var(--text-secondary);
}

.placeholder-icon {
    font-size: 48px;
    opacity: 0.5;
}

.preview-placeholder.hidden {
    display: none;
}

/* Controls Section */
.controls-section {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.control-group {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: 16px;
}

.control-group label {
    display: block;
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 8px;
}

.select-control {
    width: 100%;
    padding: 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 16px;
    appearance: none;
    cursor: pointer;
}

.select-control:focus {
    outline: none;
    border-color: var(--accent-blue);
}

.slider {
    width: 100%;
    height: 8px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--bg-secondary);
    border-radius: 4px;
    outline: none;
    cursor: pointer;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 24px;
    height: 24px;
    background: var(--accent-blue);
    border-radius: 50%;
    cursor: pointer;
}

.slider::-moz-range-thumb {
    width: 24px;
    height: 24px;
    background: var(--accent-blue);
    border-radius: 50%;
    cursor: pointer;
    border: none;
}

/* Status Section */
.status-section {
    display: flex;
    justify-content: center;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--bg-card);
    border-radius: 20px;
}

.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.status-dot.disconnected {
    background: var(--accent-red);
}

.status-dot.connecting {
    background: var(--accent-orange);
}

.status-dot.connected {
    background: var(--accent-green);
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.status-text {
    font-size: 14px;
    color: var(--text-secondary);
}

/* Buttons */
.btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 16px 24px;
    border: none;
    border-radius: var(--border-radius-sm);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background: var(--accent-blue);
    color: white;
}

.btn-primary:hover:not(:disabled) {
    background: #2563eb;
}

.btn-primary.streaming {
    background: var(--accent-red);
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.1);
}

.icon {
    font-size: 18px;
}

/* QR Section */
.qr-section {
    text-align: center;
    padding: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
}

.qr-section p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 16px;
}

#qr-code {
    display: inline-block;
    padding: 16px;
    background: white;
    border-radius: 8px;
}

#qr-code canvas {
    display: block;
}

/* Responsive */
@media (max-width: 400px) {
    .code-display {
        font-size: 28px;
        letter-spacing: 2px;
    }
}