:root {
    --bg-color: #121212;
    --surface-color: #1e1e1e;
    --text-color: #e0e0e0;
    --text-muted: #888;
    --border-color: #333;
    --primary-color: #007acc;
    --success-color: #28a745;
    --highlight-color: #f39c12;
    --danger-color: #dc3545;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    height: 100vh;
    display: flex;
    flex-direction: column;
}

.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background-color: var(--surface-color);
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

.header-identity {
    min-width: 0;
    flex: 1;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.header-logo {
    height: calc(1.2rem * 1.25 + 0.25rem + 0.8rem * 1.25);
    width: auto;
    display: block;
    flex-shrink: 0;
    object-fit: contain;
}

.header-copy {
    min-width: 0;
}

.app-header h1 {
    font-size: 1.2rem;
    line-height: 1.25;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
    color: var(--text-color);
}

.app-status {
    margin-top: 0.25rem;
    font-size: 0.8rem;
    line-height: 1.25;
    color: var(--text-muted);
}

.meta-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem 1rem;
    align-items: flex-end;
    padding: 0.75rem 2rem;
    background-color: var(--surface-color);
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

.meta-bar label {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.meta-bar .meta-wide {
    flex: 1;
    min-width: 200px;
}

.meta-bar input[type="text"] {
    background: #121212;
    color: var(--text-color);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 0.4rem 0.55rem;
    width: 100%;
    font-size: 0.9rem;
}

.btn {
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 600;
    transition: opacity 0.2s, background-color 0.2s;
    color: #fff;
    font-family: inherit;
}

.btn:hover {
    opacity: 0.9;
}

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

.container {
    display: flex;
    flex: 1;
    gap: 0.75rem;
    min-height: 0;
    padding: 0.75rem 1rem 0.5rem;
}

.view-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 15px;
    min-width: 0;
}

h2 {
    margin: 0 0 0.75rem;
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    color: var(--text-color);
}

.video-container,
.canvas-container {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #000;
    border-radius: 4px;
    overflow: hidden;
    position: relative;
    border: 1px solid var(--border-color);
    min-height: 0;
}

video, canvas {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.view-panel > p {
    text-align: center;
    margin: 10px 0 0 0;
    font-family: monospace;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.stats-panel {
    background-color: var(--surface-color);
    border-top: 1px solid var(--border-color);
    padding: 0.75rem 2rem;
    flex-shrink: 0;
}

.stats-panel p {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-color);
    margin: 0;
    text-align: center;
    font-family: monospace;
}

@media (max-width: 800px) {
    .container {
        flex-direction: column;
    }

    .app-header,
    .meta-bar,
    .stats-panel {
        padding-left: 1rem;
        padding-right: 1rem;
    }
}