:root {
    --bg-app: #050505;
    --bg-panel: #111111;
    --bg-hover: #222;
    --primary: #8b5cf6; /* Violet Neon */
    --primary-glow: rgba(139, 92, 246, 0.4);
    --text-main: #ffffff;
    --text-muted: #888;
    --border: #333;
    --danger: #ef4444;
}

* { margin: 0; padding: 0; box-sizing: border-box; outline: none; user-select: none; }

body {
    font-family: 'Inter', sans-serif; background: var(--bg-app);
    color: var(--text-main); height: 100vh; overflow: hidden;
}

.app-layout { display: grid; grid-template-columns: 280px 1fr 280px; height: 100vh; }

/* SIDEBARS */
.sidebar {
    background: var(--bg-panel); border-right: 1px solid var(--border);
    display: flex; flex-direction: column; z-index: 20;
}
.sidebar.right { border-left: 1px solid var(--border); border-right: none; }

.logo-area {
    padding: 20px; border-bottom: 1px solid var(--border);
    display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.1rem;
}
.logo-icon { color: var(--primary); text-shadow: 0 0 10px var(--primary-glow); }
.logo-text span { color: var(--primary); font-weight: 300; }

.scroll-area { overflow-y: auto; flex: 1; padding: 15px; }
.scroll-area::-webkit-scrollbar { width: 5px; }
.scroll-area::-webkit-scrollbar-thumb { background: #333; border-radius: 3px; }

/* PANELS */
.panel-section { margin-bottom: 25px; }
.highlight-section {
    background: rgba(139, 92, 246, 0.05); border: 1px solid rgba(139, 92, 246, 0.2);
    border-radius: 8px; padding: 10px;
}
.section-title {
    font-size: 0.7rem; color: var(--text-muted); font-weight: 700;
    text-transform: uppercase; margin-bottom: 10px; letter-spacing: 1px;
}
.panel-header {
    padding: 20px; border-bottom: 1px solid var(--border);
    font-weight: 700; color: var(--text-muted); text-transform: uppercase; font-size: 0.8rem;
}

/* BUTTONS & GRIDS */
.grid-2col { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.mood-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; }

.action-btn, .env-btn, .mood-btn {
    padding: 8px; background: var(--bg-hover); border: 1px solid transparent;
    color: #ccc; border-radius: 6px; cursor: pointer; font-size: 0.75rem; transition: 0.2s;
    text-align: center;
}
.action-btn:hover, .env-btn:hover { background: #333; color: white; }
.action-btn.active, .env-btn.active {
    background: var(--primary); color: white; font-weight: bold;
    box-shadow: 0 0 15px var(--primary-glow); border-color: white;
}
.mood-btn { font-size: 1.2rem; padding: 5px; }
.mood-btn:hover { transform: scale(1.1); background: #333; }

.drop-zone {
    border: 2px dashed var(--border); background: rgba(255,255,255,0.02);
    border-radius: 8px; padding: 20px; text-align: center; cursor: pointer;
    font-size: 0.8rem; color: var(--text-muted); transition: 0.2s;
}
.drop-zone:hover { border-color: var(--primary); color: white; background: rgba(139, 92, 246, 0.05); }
.drop-zone .icon { font-size: 1.5rem; margin-bottom: 5px; }

.btn {
    width: 100%; padding: 10px; border-radius: 6px; border: 1px solid var(--border);
    background: var(--bg-hover); color: white; font-size: 0.8rem; font-weight: 600; cursor: pointer;
}
.btn:hover { background: #333; }
.btn.primary { background: linear-gradient(135deg, var(--primary), #6366f1); border: none; }
.btn.danger { color: var(--danger); background: rgba(239, 68, 68, 0.1); border-color: var(--danger); }
.btn-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 5px; margin-bottom: 5px; }

/* INPUTS */
.select-input, .select-small, input[type="text"] {
    width: 100%; background: #000; border: 1px solid var(--border);
    color: white; padding: 6px; border-radius: 4px; font-size: 0.8rem;
}
input[type="range"] { width: 100%; height: 4px; accent-color: var(--primary); margin: 8px 0; }
.color-picker { width: 100%; height: 30px; border: none; cursor: pointer; border-radius: 4px; }
.prop-row { margin-bottom: 10px; font-size: 0.8rem; }

/* VIEWPORT */
.viewport { position: relative; background: #000; overflow: hidden; }
canvas { display: block; width: 100%; height: 100%; }

.overlay-ui {
    position: absolute; top: 20px; right: 20px; pointer-events: none;
}
.action-status {
    background: rgba(0,0,0,0.7); padding: 5px 10px; border-radius: 4px;
    font-family: 'JetBrains Mono', monospace; font-size: 0.8rem; color: var(--primary);
    border: 1px solid var(--primary); text-shadow: 0 0 5px var(--primary);
}

.toolbar {
    position: absolute; top: 20px; left: 50%; transform: translateX(-50%);
    background: rgba(20, 20, 20, 0.8); backdrop-filter: blur(10px);
    border-radius: 12px; padding: 6px; display: flex; gap: 4px; border: 1px solid var(--border);
}
.tool-btn {
    width: 36px; height: 36px; border: none; background: transparent;
    color: var(--text-muted); border-radius: 6px; cursor: pointer; font-size: 1.1rem;
}
.tool-btn.active { background: var(--primary); color: white; }
.divider { width: 1px; background: #444; margin: 0 4px; }

.timeline-bar {
    position: absolute; bottom: 20px; left: 20px; right: 20px;
    background: rgba(10, 10, 10, 0.9); border: 1px solid var(--border);
    border-radius: 10px; padding: 12px; display: flex; align-items: center; gap: 15px;
}
.play-btn {
    width: 40px; height: 40px; border-radius: 50%; border: none;
    background: var(--primary); color: white; cursor: pointer; font-size: 1.2rem;
}
.timeline-track { flex: 1; display: flex; align-items: center; gap: 15px; }
.control-group-inline { display: flex; align-items: center; gap: 8px; font-size: 0.8rem; }
.recording-indicator { color: var(--danger); font-weight: bold; font-size: 0.8rem; animation: pulse 1s infinite; display: none; }
@keyframes pulse { 0% { opacity: 1; } 50% { opacity: 0.5; } 100% { opacity: 1; } }

/* SCENE LIST */
.scene-item {
    padding: 8px; border-bottom: 1px solid #222; font-size: 0.8rem; cursor: pointer;
    display: flex; justify-content: space-between;
}
.scene-item:hover { background: #222; }
.scene-item.active { color: var(--primary); font-weight: bold; background: rgba(139, 92, 246, 0.1); }

/* LOADER */
.loader {
    position: absolute; inset: 0; background: rgba(0,0,0,0.9);
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    z-index: 100; opacity: 0; pointer-events: none; transition: 0.3s;
}
.loader.active { opacity: 1; pointer-events: all; }
.spinner { width: 40px; height: 40px; border: 3px solid #333; border-top: 3px solid var(--primary); border-radius: 50%; animation: spin 0.8s infinite linear; }
.loader-text { margin-top: 15px; font-size: 0.9rem; color: #fff; }
@keyframes spin { to { transform: rotate(360deg); } }

@media (max-width: 900px) {
    .app-layout { grid-template-columns: 1fr; }
    .sidebar { display: none; }
}