/* MIXI-CUT Web Demo — Design System */

:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: #1a1a25;
    --bg-hover: #22222f;
    --text-primary: #e8e8f0;
    --text-secondary: #8888a0;
    --text-muted: #555568;
    --accent-cyan: #00d4ff;
    --accent-purple: #8b5cf6;
    --accent-green: #10b981;
    --accent-amber: #f59e0b;
    --accent-red: #ef4444;
    --border: #2a2a3a;
    --glow-cyan: 0 0 20px rgba(0, 212, 255, 0.3);
    --glow-purple: 0 0 20px rgba(139, 92, 246, 0.3);
    --radius: 12px;
    --radius-sm: 8px;
    --font-mono: 'JetBrains Mono', monospace;
    --font-sans: 'Inter', -apple-system, sans-serif;
}

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

body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    background-image:
        radial-gradient(ellipse at 20% 0%, rgba(0, 212, 255, 0.05) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 100%, rgba(139, 92, 246, 0.05) 0%, transparent 50%);
}

.app {
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

/* ── Header ──────────────────────────────────────────────── */

.header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
}

.logo-icon {
    font-size: 2rem;
    color: var(--accent-cyan);
    text-shadow: var(--glow-cyan);
    animation: pulse-glow 2s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% { text-shadow: var(--glow-cyan); opacity: 1; }
    50% { text-shadow: 0 0 30px rgba(0, 212, 255, 0.6); opacity: 0.8; }
}

.logo h1 {
    font-family: var(--font-mono);
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.version {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    background: var(--bg-card);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    border: 1px solid var(--border);
}

.subtitle {
    color: var(--text-secondary);
    font-size: 0.9rem;
    letter-spacing: 0.05em;
}

/* ── Drop Zone ───────────────────────────────────────────── */

.drop-zone {
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    padding: 4rem 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: var(--bg-secondary);
}

.drop-zone:hover, .drop-zone.dragover {
    border-color: var(--accent-cyan);
    background: rgba(0, 212, 255, 0.03);
    box-shadow: var(--glow-cyan);
}

.drop-icon {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    transition: all 0.3s ease;
}

.drop-zone:hover .drop-icon {
    color: var(--accent-cyan);
    transform: translateY(-4px);
}

.drop-content h2 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.drop-content p {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* ── Dashboard ───────────────────────────────────────────── */

.dashboard { animation: fadeIn 0.5s ease-out; }
.hidden { display: none !important; }

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

.file-info {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-secondary);
    background: var(--bg-card);
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    margin-bottom: 1.5rem;
}

/* ── Gauges ───────────────────────────────────────────────── */

.gauges {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.gauge-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
    transition: all 0.2s ease;
}

.gauge-card:hover {
    border-color: var(--accent-cyan);
    box-shadow: var(--glow-cyan);
}

.gauge-label {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 0.15em;
    margin-bottom: 0.5rem;
}

.gauge-value {
    font-family: var(--font-mono);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--accent-cyan);
    line-height: 1;
    margin-bottom: 0.75rem;
}

.gauge-unit {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 400;
}

.gauge-bar-container {
    height: 4px;
    background: var(--bg-primary);
    border-radius: 2px;
    overflow: hidden;
}

.gauge-bar {
    height: 100%;
    border-radius: 2px;
    transition: width 0.1s ease;
    width: 0%;
}

.speed-bar { background: linear-gradient(90deg, var(--accent-cyan), var(--accent-purple)); }
.lock-bar { background: linear-gradient(90deg, var(--accent-red), var(--accent-amber), var(--accent-green)); }
.pos-bar { background: linear-gradient(90deg, var(--accent-purple), var(--accent-cyan)); }

/* ── Graph ────────────────────────────────────────────────── */

.graph-section {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem;
    margin-bottom: 1.5rem;
}

.graph-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.tab {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    background: none;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 0.4rem 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
    letter-spacing: 0.05em;
}

.tab:hover { color: var(--text-primary); border-color: var(--text-muted); }
.tab.active {
    color: var(--accent-cyan);
    border-color: var(--accent-cyan);
    background: rgba(0, 212, 255, 0.05);
}

#graph-canvas {
    width: 100%;
    height: 200px;
    border-radius: var(--radius-sm);
    background: var(--bg-primary);
}

/* ── Controls ─────────────────────────────────────────────── */

.controls {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.btn {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-sm);
    padding: 0.6rem 1.5rem;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.btn:disabled { opacity: 0.4; cursor: not-allowed; }

.btn-primary {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    color: white;
}
.btn-primary:hover:not(:disabled) {
    box-shadow: var(--glow-cyan);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border);
}
.btn-secondary:hover:not(:disabled) { border-color: var(--text-muted); }

.btn-ghost {
    background: none;
    color: var(--text-secondary);
}
.btn-ghost:hover { color: var(--text-primary); }

.btn-icon { font-size: 0.7rem; }

.playback-time {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-left: auto;
}

/* ── Protocol info ────────────────────────────────────────── */

.protocol-info {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.75rem;
    margin-bottom: 2rem;
}

.info-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 0.75rem;
    text-align: center;
}

.info-label {
    display: block;
    font-size: 0.65rem;
    color: var(--text-muted);
    letter-spacing: 0.1em;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.info-value {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--accent-cyan);
    font-weight: 600;
}

/* ── Footer ───────────────────────────────────────────────── */

.footer {
    text-align: center;
    padding: 1.5rem 0;
    border-top: 1px solid var(--border);
    font-size: 0.8rem;
    color: var(--text-muted);
    display: flex;
    justify-content: center;
    gap: 0.75rem;
}

.footer a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s;
}
.footer a:hover { color: var(--accent-cyan); }

/* ── Responsive ───────────────────────────────────────────── */

@media (max-width: 640px) {
    .gauges { grid-template-columns: 1fr; }
    .protocol-info { grid-template-columns: repeat(2, 1fr); }
    .gauge-value { font-size: 1.4rem; }
}

/* ── Live mode: source divider, deck, meters ─────────────── */

.source-divider {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 22px auto 18px;
    max-width: 360px;
    color: var(--text-muted);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}
.source-divider::before, .source-divider::after {
    content: "";
    flex: 1;
    height: 1px;
    background: var(--border);
}

.btn-live { font-size: 0.95rem; padding: 12px 22px; }

.drop-hint {
    margin-top: 14px;
    color: var(--text-muted);
    font-size: 0.8rem;
    max-width: 460px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.5;
}
.drop-hint b { color: var(--text-secondary); }

.live-controls { flex-wrap: wrap; }

.input-meter {
    flex: 1;
    min-width: 120px;
    height: 10px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 999px;
    overflow: hidden;
}
.input-meter-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--accent-green), var(--accent-amber), var(--accent-red));
    transition: width 0.05s linear;
}

.deck {
    margin-top: 16px;
    padding: 16px 18px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}
.deck-head {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 12px;
    gap: 12px;
}
.deck-title { font-weight: 600; font-size: 0.9rem; }
.deck-status {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--text-secondary);
    text-align: right;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.deck-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 14px;
}
.deck-toggle, .deck-vol {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.82rem;
    color: var(--text-secondary);
}
.deck-vol input[type="range"] { width: 110px; accent-color: var(--accent-cyan); }
.deck-toggle input { accent-color: var(--accent-cyan); }

.deck-progress {
    margin-top: 14px;
    height: 6px;
    background: var(--bg-card);
    border-radius: 999px;
    overflow: hidden;
}
.deck-progress-fill {
    height: 100%;
    width: 0%;
    background: var(--accent-purple);
    box-shadow: var(--glow-purple);
    transition: width 0.05s linear;
}