:root {
    --bg-dark: #0f172a;
    --bg-card: #1e293b;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --accent: #38bdf8;
    --accent-room: #4ade80;
    --accent-audio: #fbbf24;
    --accent-scene: #c084fc;
    --border: #334155;
}

* { box-sizing: border-box; margin: 0; padding: 0; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; }
body { background-color: var(--bg-dark); color: var(--text-main); padding: 20px; min-height: 100vh; }

.app-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 12px;
}
.header-actions { flex-shrink: 0; display: flex; flex-wrap: wrap; gap: 8px; justify-content: flex-end; }
.project-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 10px;
}
.project-meta input[type="text"],
.project-meta select {
    width: auto;
    min-width: 140px;
    flex: 1;
    max-width: 220px;
    padding: 7px 10px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-main);
    border-radius: 6px;
    font-size: 0.8rem;
}
.drawer {
    position: fixed;
    top: 0;
    right: 0;
    width: min(380px, 100%);
    height: 100%;
    z-index: 30;
    background: var(--bg-card);
    border-left: 1px solid var(--border);
    padding: 16px;
    overflow: auto;
}
.drawer-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}
.drawer-bar button, .modal-card button {
    background: #38bdf8;
    color: #0f172a;
    border: 0;
    padding: 8px 12px;
    border-radius: 6px;
    font-weight: 700;
    cursor: pointer;
}
.drawer-actions { display: flex; gap: 8px; margin: 12px 0 4px; }
.drawer-actions button {
    flex: 1;
    background: var(--bg-dark);
    border: 1px solid var(--border);
    color: var(--text-main);
    padding: 8px 10px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.75rem;
    font-weight: 600;
}
.library-list { list-style: none; display: grid; gap: 8px; margin-top: 12px; }
.library-list li {
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 10px;
    display: grid;
    gap: 6px;
}
.library-list .lib-name { font-weight: 600; }
.library-list .lib-meta { font-size: 0.72rem; color: var(--text-muted); }
.library-list .lib-actions { display: flex; gap: 6px; }
.library-list .lib-actions button {
    flex: 1;
    background: var(--bg-dark);
    border: 1px solid var(--border);
    color: var(--text-main);
    padding: 6px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.72rem;
    font-weight: 600;
}
.modal {
    position: fixed;
    inset: 0;
    z-index: 50;
    background: rgba(2, 6, 23, 0.78);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.modal[hidden], .drawer[hidden], .copy-toast[hidden] { display: none; }
.modal-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 22px;
    max-width: 480px;
    display: grid;
    gap: 12px;
}
.modal-card h2 { margin: 0; border: 0; padding: 0; }
.modal-card p { color: var(--text-muted); font-size: 0.85rem; line-height: 1.45; }
.disclaimer-check {
    display: flex;
    gap: 8px;
    align-items: flex-start;
    font-size: 0.8rem;
    color: var(--text-main);
    cursor: pointer;
}
.modal-card button:disabled { opacity: 0.4; cursor: not-allowed; }
.copy-toast {
    position: fixed;
    bottom: 18px;
    left: 50%;
    transform: translateX(-50%);
    background: #38bdf8;
    color: #0f172a;
    padding: 8px 14px;
    border-radius: 6px;
    font-weight: 700;
    z-index: 60;
}
.export-btn {
    background: transparent;
    border: 1px solid var(--accent);
    color: #e0f2fe;
    padding: 8px 14px;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
}
.export-btn:hover { background: rgba(56, 189, 248, 0.12); }

.verdict-bar {
    display: grid;
    grid-template-columns: minmax(160px, 1.1fr) minmax(220px, 1.6fr) minmax(160px, 1fr) auto;
    gap: 10px 16px;
    align-items: center;
    margin: -8px 0 16px;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--bg-card);
}
.verdict-bar[data-tone="ok"] { border-color: rgba(74, 222, 128, 0.55); }
.verdict-bar[data-tone="live"] { border-color: rgba(251, 191, 36, 0.55); }
.verdict-bar[data-tone="dry"] { border-color: rgba(56, 189, 248, 0.55); }
.verdict-main { display: flex; flex-direction: column; gap: 2px; }
.verdict-main strong { font-size: 0.95rem; }
.verdict-main span, .verdict-action, .verdict-seat {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin: 0;
    line-height: 1.35;
}
.verdict-apply {
    background: #38bdf8;
    color: #0f172a;
    border: 0;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 700;
    cursor: pointer;
    white-space: nowrap;
}
.verdict-apply:hover { filter: brightness(1.05); }
.verdict-apply[hidden] { display: none; }
@media (max-width: 950px) {
    .verdict-bar { grid-template-columns: 1fr; }
}

.slider-row { display: flex; align-items: center; gap: 8px; }
.slider-row input[type="range"] { flex: 1; min-width: 0; }
.slider-row input[type="number"] {
    width: 76px;
    flex-shrink: 0;
    padding: 6px 6px;
    background: var(--bg-dark);
    border: 1px solid var(--border);
    color: var(--text-main);
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    text-align: right;
}
.slider-row input[type="number"]:focus { outline: 1px solid var(--accent); }

.report-overlay {
    position: fixed;
    inset: 0;
    z-index: 40;
    background: rgba(2, 6, 23, 0.72);
    display: flex;
    flex-direction: column;
    padding: 18px;
}
.report-overlay-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    color: #e2e8f0;
    margin-bottom: 10px;
    font-size: 0.85rem;
}
.report-overlay-bar button {
    background: #38bdf8;
    color: #0f172a;
    border: 0;
    padding: 8px 12px;
    border-radius: 6px;
    font-weight: 700;
    cursor: pointer;
}
.report-overlay iframe {
    flex: 1;
    width: 100%;
    border: 0;
    border-radius: 8px;
    background: #fff;
}
.logo { font-weight: 700; color: var(--accent); display: inline-flex; align-items: center; gap: 6px; font-size: 1.2rem; }
.badge { background: var(--border); color: var(--text-muted); font-size: 0.7rem; padding: 2px 6px; border-radius: 4px; }
.subtitle { color: var(--text-muted); font-size: 0.85rem; margin-top: 2px; max-width: 760px; }

.app-container { display: grid; grid-template-columns: 1fr 1.3fr; gap: 24px; margin-top: 10px; }
@media (max-width: 950px) { .app-container { grid-template-columns: 1fr; } }

.tab-navigation { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; margin-bottom: 14px; }
.tab-btn {
    background-color: transparent;
    border: 1px solid var(--border);
    color: var(--text-muted);
    padding: 10px 2px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.72rem;
    transition: all 0.15s ease;
}
.tab-btn.active { background-color: var(--bg-card); color: var(--text-main); border-color: var(--accent); }
.tab-navigation #btn-room.active { border-color: var(--accent-room); }
.tab-navigation #btn-audio.active { border-color: var(--accent-audio); }
.tab-navigation #btn-scene.active { border-color: var(--accent-scene); }

.tab-pane { display: none; }
.tab-pane.active-pane { display: block; }

.card { background-color: var(--bg-card); border: 1px solid var(--border); border-radius: 8px; padding: 18px; margin-bottom: 16px; }
h2 { font-size: 0.95rem; margin-bottom: 12px; font-weight: 600; color: #e2e8f0; border-left: 3px solid var(--accent); padding-left: 8px; }
#pane-room h2 { border-left-color: var(--accent-room); }
#pane-audio h2 { border-left-color: var(--accent-audio); }
#pane-scene h2 { border-left-color: var(--accent-scene); }

.input-group { margin-bottom: 14px; }
label { display: block; font-size: 0.8rem; color: var(--text-muted); margin-bottom: 4px; }
label span { color: var(--accent); font-weight: 600; }
#pane-room label span { color: var(--accent-room); }
#pane-audio label span { color: var(--accent-audio); }
#pane-scene label span { color: var(--accent-scene); }
.hint { font-size: 0.72rem; color: var(--text-muted); margin-top: 6px; line-height: 1.35; }
.hint strong { color: var(--text-main); font-weight: 600; }

input[type="range"] { width: 100%; accent-color: var(--accent); cursor: pointer; }
#pane-room input[type="range"] { accent-color: var(--accent-room); }
#pane-audio input[type="range"] { accent-color: var(--accent-audio); }
#pane-scene input[type="range"] { accent-color: var(--accent-scene); }
select { width: 100%; padding: 10px; background-color: var(--bg-dark); border: 1px solid var(--border); color: var(--text-main); border-radius: 6px; }

.tool-row { display: flex; flex-wrap: wrap; gap: 6px; margin: 10px 0 8px; }
.tool-row button {
    flex: 1;
    min-width: 88px;
    background: var(--bg-dark);
    border: 1px solid var(--border);
    color: var(--text-main);
    padding: 8px 6px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.72rem;
    font-weight: 600;
}
.tool-row button:hover { border-color: var(--accent-scene); }
.wave-order-row { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }
.wave-order {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text-main);
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 6px 8px;
    cursor: pointer;
}
.wave-order input { accent-color: currentColor; cursor: pointer; }
.wave-order.o0 { color: #f87171; border-color: rgba(248, 113, 113, 0.45); }
.wave-order.o1 { color: #fbbf24; border-color: rgba(251, 191, 36, 0.45); }
.wave-order.o2 { color: #4ade80; border-color: rgba(74, 222, 128, 0.45); }
.wave-order.o3 { color: #60a5fa; border-color: rgba(96, 165, 250, 0.45); }
.wave-order:has(input:not(:checked)) { opacity: 0.45; }

.detail-list { display: grid; gap: 7px; }
.detail-list > div { display: flex; justify-content: space-between; gap: 10px; font-size: 0.78rem; }
.detail-list dt { color: var(--text-muted); }
.detail-list dd { font-weight: 600; color: #e2e8f0; text-align: right; }

.visualization-panel { display: flex; flex-direction: column; min-height: 0; }
.graph-card { display: flex; flex-direction: column; flex: 1; height: 100%; min-height: 520px; }
.graph-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; gap: 8px; flex-shrink: 0; }
.graph-header-actions { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.target-badge { font-size: 0.75rem; background-color: rgba(56, 189, 248, 0.1); color: var(--accent); padding: 4px 8px; border-radius: 4px; border: 1px solid rgba(56, 189, 248, 0.2); white-space: nowrap; }
.waves-btn {
    display: none;
    background: transparent;
    border: 1px solid var(--accent-scene);
    color: #e9d5ff;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
}
.graph-card.is-scene .waves-btn { display: inline-flex; }
.waves-btn:hover { background: rgba(192, 132, 252, 0.14); }
.waves-btn.is-playing { background: rgba(192, 132, 252, 0.22); }
.waves-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.canvas-container {
    position: relative;
    flex: 1 1 auto;
    min-height: 280px;
    background-color: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: 6px;
    overflow: hidden;
}
.graph-card.is-scene .canvas-container { min-height: 380px; cursor: crosshair; }
canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    display: block;
}

.metric-dashboard { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 14px; flex-shrink: 0; }
.metric-box { background-color: var(--bg-dark); border: 1px solid var(--border); padding: 10px; border-radius: 6px; text-align: center; }
.metric-label { display: block; font-size: 0.7rem; color: var(--text-muted); margin-bottom: 2px; }
.metric-value { font-size: 0.95rem; font-weight: 700; color: var(--accent-room); }
.scene-metric { display: none; }
.graph-card.is-scene .scene-metric { display: block; }

.band-table-wrap { margin-top: 12px; overflow-x: auto; border: 1px solid var(--border); border-radius: 6px; flex-shrink: 0; }
.band-table { width: 100%; border-collapse: collapse; font-size: 0.72rem; }
.band-table th, .band-table td { padding: 6px 8px; text-align: right; border-bottom: 1px solid var(--border); white-space: nowrap; }
.band-table th { color: var(--text-muted); font-weight: 600; background: var(--bg-dark); text-align: right; }
.band-table td:first-child, .band-table th:first-child { text-align: left; color: var(--text-muted); }
.band-table tbody tr:last-child td { border-bottom: none; }