:root {
    --bg0: #1a1410;
    --bg1: #2a1f18;
    --fg: #f3ebe2;
    --muted: #b9a89a;
    --accent: #c45c26;
    --accent-2: #e0a45a;
    --danger: #ffb4a2;
    --ok: #b7e0c0;
    --panel: rgba(255, 255, 255, 0.06);
    --radius: 18px;
    color-scheme: dark;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    min-height: 100%;
    font-family: "Avenir Next", "Segoe UI", sans-serif;
    background:
        radial-gradient(circle at 20% -10%, #4a3020 0%, transparent 45%),
        radial-gradient(circle at 90% 10%, #2d1a28 0%, transparent 40%),
        linear-gradient(160deg, var(--bg1), var(--bg0));
    color: var(--fg);
}

.pwa-body {
    min-height: 100dvh;
}

.pwa-shell {
    width: min(480px, 100%);
    margin: 0 auto;
    padding: 1.5rem 1.25rem 2.5rem;
}

.pwa-brand .eyebrow {
    margin: 0;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    font-size: 0.75rem;
    color: var(--accent-2);
}

.pwa-brand h1 {
    margin: 0.35rem 0 1.25rem;
    font-size: clamp(1.8rem, 6vw, 2.4rem);
    font-weight: 700;
}

.pwa-brand.compact {
    margin-bottom: 0.5rem;
}

.panel {
    background: var(--panel);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius);
    padding: 1.25rem;
    backdrop-filter: blur(10px);
}

.panel p {
    margin-top: 0;
    color: var(--muted);
    line-height: 1.45;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    min-height: 48px;
    padding: 0.75rem 1.2rem;
    border-radius: 999px;
    border: 0;
    text-decoration: none;
    font-weight: 700;
    cursor: pointer;
}

.btn.primary {
    background: linear-gradient(135deg, var(--accent), #9a3d18);
    color: white;
    width: 100%;
}

.btn.ghost {
    margin-top: 1rem;
    background: transparent;
    color: var(--muted);
    border: 1px solid rgba(255, 255, 255, 0.15);
    width: 100%;
}

.reader {
    width: 100%;
    aspect-ratio: 1;
    overflow: hidden;
    border-radius: 14px;
    background: #000;
}

.reader video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hint {
    font-size: 0.9rem;
    color: var(--muted);
}

.flash {
    margin-bottom: 1rem;
    padding: 0.8rem 1rem;
    border-radius: 12px;
    background: rgba(0, 0, 0, 0.25);
}

.flash-danger { color: var(--danger); }
.flash-success { color: var(--ok); }
.flash-warning { color: var(--accent-2); }

.play-shell {
    display: flex;
    flex-direction: column;
    min-height: 100dvh;
}

.viz {
    flex: 1;
    width: 100%;
    min-height: 55vh;
    border-radius: var(--radius);
    background: rgba(0, 0, 0, 0.25);
}

.controls {
    display: grid;
    gap: 0.75rem;
    margin-top: 1rem;
}

.status {
    min-height: 1.4em;
    color: var(--muted);
    text-align: center;
}