/* ===== Reset & Base ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg: #08080f;
  --panel: #0e0e1a;
  --surface: #14142a;
  --surface2: #1a1a35;
  --border: #252545;
  --text: #c8cce0;
  --text2: #6668a0;
  --accent: #00e5ff;
  --accent2: #ff6644;
  --green: #44ff88;
  --yellow: #ffcc00;
  --purple: #aa55ff;
  --red: #ff4466;
  --wire-audio: #00e5ff;
  --wire-control: #ff6644;
  --wire-trigger: #ffcc00;
  --knob-track: #333;
  --knob-fill: #00e5ff;
  --module-w: 180;
  --port-r: 6;
}

html, body, #root {
  width: 100%; height: 100%; overflow: hidden;
  background: var(--bg); color: var(--text);
  font-family: 'Inter', 'SF Pro', -apple-system, system-ui, sans-serif;
  font-size: 12px;
  -webkit-font-smoothing: antialiased;
}

/* ===== Layout ===== */
.app { display: flex; flex-direction: column; height: 100vh; }

.toolbar {
  height: 40px; background: var(--panel); border-bottom: 1px solid var(--border);
  display: flex; align-items: center; padding: 0 12px; gap: 8px; flex-shrink: 0;
  z-index: 10;
}

.toolbar-title {
  font-weight: 700; font-size: 14px; color: var(--accent);
  letter-spacing: 1px; text-transform: uppercase; margin-right: 16px;
}

.toolbar-btn {
  padding: 4px 10px; border: 1px solid var(--border); border-radius: 4px;
  background: var(--surface); color: var(--text2); cursor: pointer;
  font-size: 11px; font-weight: 500; transition: all 0.15s;
  font-family: inherit;
}
.toolbar-btn:hover { border-color: var(--accent); color: var(--text); }
.toolbar-btn.active { background: var(--accent); color: #000; border-color: var(--accent); }
.toolbar-btn.danger { border-color: var(--red); color: var(--red); }
.toolbar-btn.danger:hover { background: var(--red); color: #000; }

.toolbar-sep { width: 1px; height: 20px; background: var(--border); margin: 0 4px; }

.toolbar-group { display: flex; gap: 4px; align-items: center; }

.toolbar-label { color: var(--text2); font-size: 10px; text-transform: uppercase; letter-spacing: 0.5px; }

.main-area { flex: 1; position: relative; overflow: hidden; }

/* ===== Node Canvas ===== */
.node-canvas {
  position: absolute; inset: 0; cursor: grab;
}
.node-canvas.grabbing { cursor: grabbing; }
.node-canvas.connecting { cursor: crosshair; }

.wires-svg {
  position: absolute; inset: 0; pointer-events: none; z-index: 3;
  overflow: visible;
}
.wires-svg path {
  fill: none; stroke-width: 2.5; stroke-linecap: round;
  pointer-events: stroke; cursor: pointer;
  filter: drop-shadow(0 0 3px rgba(0,229,255,0.3));
}
.wires-svg path.audio { stroke: var(--wire-audio); opacity: 0.8; }
.wires-svg path.control { stroke: var(--wire-control); opacity: 0.8; }
.wires-svg path.trigger { stroke: var(--wire-trigger); opacity: 0.8; }
.wires-svg path.temp { stroke-dasharray: 6 4; opacity: 0.5; filter: none; }
.wires-svg path:hover { stroke-width: 4; opacity: 1; filter: drop-shadow(0 0 6px rgba(0,229,255,0.6)); }

/* ===== Modules ===== */
.module {
  position: absolute; width: 180px; min-width: 180px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 8px; user-select: none; z-index: 2;
  box-shadow: 0 4px 16px rgba(0,0,0,0.4);
  transition: box-shadow 0.15s;
}
.module.selected { border-color: var(--accent); box-shadow: 0 0 20px rgba(0,229,255,0.15); }
.module:hover { box-shadow: 0 6px 24px rgba(0,0,0,0.5); }

.module-header {
  display: flex; align-items: center; gap: 6px;
  padding: 6px 10px; border-bottom: 1px solid var(--border);
  cursor: grab; border-radius: 8px 8px 0 0;
  background: var(--surface2);
}
.module-header .type-icon { font-size: 14px; }
.module-header .type-name {
  font-size: 11px; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.5px; color: var(--text);
  flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.module-header .close-btn {
  width: 18px; height: 18px; border: none; background: transparent;
  color: var(--text2); cursor: pointer; font-size: 12px; border-radius: 3px;
  display: flex; align-items: center; justify-content: center;
}
.module-header .close-btn:hover { background: var(--red); color: #fff; }

.module-body { padding: 8px 10px; display: flex; flex-direction: column; gap: 6px; }

/* Ports */
.port-row {
  display: flex; align-items: center; gap: 6px;
  position: relative; height: 20px;
}
.port-row.input { flex-direction: row; }
.port-row.output { flex-direction: row-reverse; }

.port-dot {
  width: 12px; height: 12px; border-radius: 50%;
  border: 2px solid var(--border); background: var(--surface);
  cursor: pointer; flex-shrink: 0; transition: all 0.15s;
  position: relative; z-index: 5;
}
.port-dot.audio { border-color: var(--wire-audio); }
.port-dot.control { border-color: var(--wire-control); }
.port-dot.trigger { border-color: var(--wire-trigger); }
.port-dot:hover { transform: scale(1.3); }
.port-dot.connected { background: currentColor; }
.port-dot.audio.connected { background: var(--wire-audio); }
.port-dot.control.connected { background: var(--wire-control); }
.port-dot.trigger.connected { background: var(--wire-trigger); }
.port-dot.compatible { animation: pulse-port 0.6s infinite alternate; }

@keyframes pulse-port {
  from { box-shadow: 0 0 2px currentColor; }
  to { box-shadow: 0 0 8px currentColor; }
}

.port-label {
  font-size: 10px; color: var(--text2); text-transform: uppercase;
  letter-spacing: 0.3px; white-space: nowrap;
}

/* Knobs */
.param-row {
  display: flex; align-items: center; gap: 6px;
}
.param-label {
  font-size: 10px; color: var(--text2); width: 48px;
  text-transform: uppercase; letter-spacing: 0.3px; flex-shrink: 0;
}

.knob-container { position: relative; width: 32px; height: 32px; flex-shrink: 0; }
.knob-svg { width: 32px; height: 32px; cursor: pointer; }
.knob-track { fill: none; stroke: var(--knob-track); stroke-width: 3; stroke-linecap: round; }
.knob-fill { fill: none; stroke-width: 3; stroke-linecap: round; }
.knob-dot { fill: var(--text); }

.param-value {
  font-size: 10px; color: var(--accent); font-family: 'JetBrains Mono', monospace;
  min-width: 40px; text-align: right;
}

/* Select param */
.param-select {
  flex: 1; background: var(--bg); border: 1px solid var(--border);
  border-radius: 3px; padding: 2px 4px; color: var(--text);
  font-size: 10px; font-family: inherit; cursor: pointer;
}
.param-select:focus { outline: none; border-color: var(--accent); }

/* Scope canvas */
.scope-canvas {
  width: 100%; height: 60px; border-radius: 4px;
  background: #050510; border: 1px solid var(--border);
}

/* ===== Module Palette (sidebar) ===== */
.palette {
  position: absolute; left: 8px; top: 8px; z-index: 20;
  background: var(--panel); border: 1px solid var(--border); border-radius: 8px;
  padding: 8px; display: flex; flex-direction: column; gap: 4px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
  max-height: calc(100% - 16px); overflow-y: auto;
}
.palette-title {
  font-size: 9px; font-weight: 700; color: var(--text2);
  text-transform: uppercase; letter-spacing: 1px; padding: 2px 4px;
}
.palette-item {
  display: flex; align-items: center; gap: 6px;
  padding: 5px 8px; border-radius: 4px; cursor: pointer;
  font-size: 11px; color: var(--text); transition: all 0.1s;
}
.palette-item:hover { background: var(--surface2); }
.palette-item .p-icon { font-size: 14px; width: 20px; text-align: center; }
.palette-item .p-name { font-weight: 500; }
.palette-item .p-cat { font-size: 9px; color: var(--text2); margin-left: auto; }

/* ===== Status Bar ===== */
.status-bar {
  height: 24px; background: var(--panel); border-top: 1px solid var(--border);
  display: flex; align-items: center; padding: 0 12px; gap: 16px;
  font-size: 10px; color: var(--text2); flex-shrink: 0; z-index: 10;
}
.status-bar .status-accent { color: var(--accent); }

/* ===== Preset Modal ===== */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.7);
  display: flex; align-items: center; justify-content: center; z-index: 100;
}
.modal {
  background: var(--panel); border: 1px solid var(--border); border-radius: 10px;
  padding: 20px; min-width: 360px; max-width: 500px;
  box-shadow: 0 24px 64px rgba(0,0,0,0.6);
}
.modal h2 { font-size: 15px; color: var(--accent); margin-bottom: 12px; }
.modal input {
  width: 100%; padding: 8px 10px; background: var(--bg);
  border: 1px solid var(--border); border-radius: 4px;
  color: var(--text); font-size: 13px; font-family: inherit;
}
.modal input:focus { outline: none; border-color: var(--accent); }
.modal-actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 12px; }
.modal-actions button { padding: 6px 14px; border-radius: 4px; cursor: pointer; font-size: 12px; font-weight: 600; border: 1px solid var(--border); background: var(--surface); color: var(--text); font-family: inherit; }
.modal-actions .primary { background: var(--accent); color: #000; border-color: var(--accent); }

.preset-list { max-height: 200px; overflow-y: auto; margin: 8px 0; }
.preset-item {
  padding: 6px 10px; cursor: pointer; border-radius: 4px;
  display: flex; align-items: center; justify-content: space-between;
  font-size: 12px;
}
.preset-item:hover { background: var(--surface2); }
.preset-item .preset-date { color: var(--text2); font-size: 10px; }