/* Acoustics Lab Styles */

:root {
    --color-void: #0a0a1f;
    --color-void-light: #12122a;
    --color-plasma-green: #10b981;
    --color-plasma-blue: #0ea5e9;
    --color-plasma-cyan: #00fff2;
    --color-text: #e5e7eb;
    --color-text-muted: #9ca3af;
    --color-text-dim: #6b7280;
    --font-main: 'Space Grotesk', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --safe-top: env(safe-area-inset-top, 20px);
}

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

html, body {
    font-family: var(--font-main);
    background: var(--color-void);
    color: var(--color-text);
    height: 100%;
    overflow: hidden;
}

#app { display: flex; flex-direction: column; height: 100%; }

.lab-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: calc(var(--safe-top) + 10px) 20px 10px;
    background: rgba(10, 10, 31, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255,255,255,0.05);
    z-index: 100;
}

.back-link {
    display: flex; align-items: center; gap: 8px;
    color: var(--color-text-muted); text-decoration: none;
    transition: color 0.3s;
}
.back-link:hover { color: var(--color-plasma-green); }

.lab-title { text-align: center; }
.lab-title h1 { font-size: 1.3rem; font-weight: 600; }
.lab-tagline { font-size: 0.8rem; color: var(--color-plasma-green); }

.sound-btn {
    background: rgba(255,255,255,0.1);
    border: none;
    border-radius: 8px;
    padding: 8px 12px;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.3s;
}

.sound-btn:hover { background: rgba(255,255,255,0.15); }
.sound-btn.active { background: rgba(16, 185, 129, 0.3); }

.lab-main {
    flex: 1;
    display: grid;
    grid-template-columns: 1fr 320px;
    overflow: hidden;
}

.viz-section {
    position: relative;
    background: #050510;
    overflow: hidden;
}

#acoustic-canvas {
    width: 100%; height: 100%;
    display: block;
}

.sources-container {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    pointer-events: none;
}

.source-marker {
    position: absolute;
    width: 24px;
    height: 24px;
    background: var(--color-plasma-green);
    border: 2px solid #fff;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    box-shadow: 0 0 20px var(--color-plasma-green);
    cursor: move;
    pointer-events: all;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: bold;
    color: #000;
}

.field-stats {
    position: absolute;
    top: 20px;
    left: 20px;
    display: flex;
    gap: 15px;
    padding: 12px 15px;
    background: rgba(10,10,31,0.8);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 12px;
}

.field-stat { display: flex; flex-direction: column; gap: 2px; }
.stat-label { font-size: 0.65rem; color: var(--color-text-dim); text-transform: uppercase; }
.stat-value { font-family: var(--font-mono); font-size: 0.9rem; color: var(--color-plasma-green); }

/* Controls Panel */
.controls-panel {
    background: var(--color-void-light);
    border-left: 1px solid rgba(255,255,255,0.05);
    padding: 20px;
    overflow-y: auto;
}

.panel-section {
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}
.panel-section:last-of-type { border-bottom: none; }

.panel-section h3 {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 15px;
}

.source-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 10px;
}

.source-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: 8px;
}

.source-color {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-plasma-green);
}

.source-label {
    flex: 1;
    font-size: 0.85rem;
}

.source-phase {
    width: 60px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.source-remove {
    background: none;
    border: none;
    color: var(--color-text-dim);
    font-size: 1rem;
    cursor: pointer;
    padding: 2px 6px;
}

.source-remove:hover { color: #ef4444; }

.add-source-btn {
    width: 100%;
    padding: 10px;
    background: rgba(16, 185, 129, 0.1);
    border: 1px dashed rgba(16, 185, 129, 0.3);
    border-radius: 8px;
    color: var(--color-plasma-green);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.3s;
}

.add-source-btn:hover {
    background: rgba(16, 185, 129, 0.2);
    border-style: solid;
}

.control-group {
    margin-bottom: 15px;
}

.control-group label {
    display: block;
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-bottom: 8px;
}

.control-value {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--color-plasma-cyan);
    margin-top: 5px;
}

.slider {
    width: 100%;
    height: 6px;
    background: rgba(255,255,255,0.1);
    border-radius: 3px;
    -webkit-appearance: none;
    cursor: pointer;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 16px; height: 16px;
    background: var(--color-plasma-blue);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 0 10px var(--color-plasma-blue);
}

.slider-green::-webkit-slider-thumb {
    background: var(--color-plasma-green);
    box-shadow: 0 0 10px var(--color-plasma-green);
}

.viz-grid, .preset-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
}

.viz-btn, .preset-btn {
    padding: 10px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 8px;
    color: var(--color-text-muted);
    font-size: 0.75rem;
    cursor: pointer;
    transition: all 0.3s;
}

.viz-btn:hover, .preset-btn:hover { border-color: rgba(255,255,255,0.2); }
.viz-btn.active {
    background: rgba(14, 165, 233, 0.15);
    border-color: var(--color-plasma-blue);
    color: var(--color-plasma-blue);
}

.preset-btn:hover {
    background: rgba(16, 185, 129, 0.15);
    border-color: var(--color-plasma-green);
    color: var(--color-plasma-green);
}

.info-panel {
    background: rgba(0,0,0,0.3);
    border-radius: 12px;
    padding: 15px;
    border-left: 3px solid var(--color-plasma-green);
}

.info-panel h4 {
    font-size: 0.85rem;
    margin-bottom: 10px;
    color: var(--color-plasma-green);
}

.info-panel p {
    font-size: 0.8rem;
    line-height: 1.6;
    color: var(--color-text-muted);
    margin-bottom: 8px;
}

.info-panel strong { color: var(--color-text); }

.equation {
    font-family: 'Times New Roman', serif;
    font-size: 0.9rem;
    color: var(--color-plasma-cyan);
    text-align: center;
    padding: 10px;
    background: rgba(0,255,242,0.05);
    border-radius: 6px;
}

@media (max-width: 900px) {
    .lab-main {
        grid-template-columns: 1fr;
        grid-template-rows: 1fr auto;
    }
    .controls-panel {
        max-height: 40vh;
        border-left: none;
        border-top: 1px solid rgba(255,255,255,0.05);
    }
}