/* ==========================================================================
   CYBER-909 // MULTITRACK GENERATIVE TECHNO STUDIO CSS (RESPONSIVE)
   ========================================================================== */

:root {
  --bg-core: #080a0e;
  --bg-surface: #0f1219;
  --bg-panel: #141822;
  --bg-module: #181d2a;
  --bg-module-inner: #11151f;
  
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-active: rgba(0, 255, 170, 0.4);
  --border-highlight: rgba(255, 255, 255, 0.18);

  --accent-cyan: #00f0ff;
  --accent-green: #00ff88;
  --accent-orange: #ff6600;
  --accent-red: #ff2255;
  --accent-amber: #ffaa00;
  --accent-acid: #ccff00;
  --accent-purple: #b026ff;

  --theme-primary: #00ff88;
  --theme-secondary: #00f0ff;
  --theme-glow: rgba(0, 255, 136, 0.35);

  --font-mono: 'JetBrains Mono', monospace;
  --font-display: 'Space Grotesk', -apple-system, sans-serif;
  
  --text-main: #e2e8f0;
  --text-muted: #79869c;
  --text-dim: #454f63;
  --text-bright: #ffffff;

  --shadow-chassis: inset 0 1px 0 rgba(255,255,255,0.06), 0 10px 30px rgba(0,0,0,0.7);
}

body.theme-acid {
  --theme-primary: #ccff00;
  --theme-secondary: #00ff88;
  --theme-glow: rgba(204, 255, 0, 0.4);
}
body.theme-cyberpunk {
  --theme-primary: #ff0055;
  --theme-secondary: #00f0ff;
  --theme-glow: rgba(255, 0, 85, 0.4);
}
body.theme-dub {
  --theme-primary: #00e1ff;
  --theme-secondary: #537fe7;
  --theme-glow: rgba(0, 225, 255, 0.35);
}
body.theme-amber {
  --theme-primary: #ff9900;
  --theme-secondary: #ff3b00;
  --theme-glow: rgba(255, 153, 0, 0.4);
}

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

body {
  background-color: var(--bg-core);
  color: var(--text-main);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.4;
  overflow-x: hidden;
  min-height: 100vh;
  background-image: 
    radial-gradient(circle at 50% 0%, rgba(20, 30, 48, 0.35) 0%, transparent 60%),
    linear-gradient(180deg, #090b10 0%, #06070a 100%);
  background-attachment: fixed;
}

.app-layout {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  max-width: 1750px;
  margin: 0 auto;
  padding: 10px 14px 24px;
  gap: 10px;
}

/* ==========================================================================
   TOP HEADER / TRANSPORT BAR
   ========================================================================== */
.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 8px 14px;
  box-shadow: var(--shadow-chassis);
  flex-wrap: wrap;
  gap: 10px;
}

.brand-zone {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-badge {
  background: linear-gradient(135deg, #202738 0%, #121622 100%);
  border: 1px solid var(--theme-primary);
  color: var(--theme-primary);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 13px;
  letter-spacing: 1.5px;
  padding: 5px 10px;
  border-radius: 4px;
  box-shadow: 0 0 12px var(--theme-glow);
}

.brand-title .main-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 1px;
  color: var(--text-bright);
}

.brand-title .sub-title {
  font-size: 8px;
  letter-spacing: 1px;
  color: var(--text-muted);
}

.transport-zone {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-module-inner);
  border: 1px solid var(--border-subtle);
  padding: 5px 10px;
  border-radius: 6px;
  flex-wrap: wrap;
}

.btn-transport {
  display: flex;
  align-items: center;
  gap: 6px;
  background: linear-gradient(180deg, #1f2738 0%, #131724 100%);
  border: 1px solid var(--theme-primary);
  color: var(--theme-primary);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 1px;
  padding: 6px 14px;
  border-radius: 4px;
  cursor: pointer;
  box-shadow: 0 0 10px var(--theme-glow);
  transition: all 0.15s ease;
}

.btn-transport:hover {
  background: var(--theme-primary);
  color: #000;
}

.btn-transport.playing {
  background: #ff2255;
  border-color: #ff2255;
  color: #fff;
  box-shadow: 0 0 14px rgba(255, 34, 85, 0.5);
}

.bpm-control {
  display: flex;
  align-items: center;
  gap: 6px;
}

.bpm-control label, .swing-control label {
  font-size: 9px;
  font-weight: 700;
  color: var(--text-muted);
}

.bpm-stepper {
  display: flex;
  align-items: center;
  background: #090c12;
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  overflow: hidden;
}

.bpm-stepper input {
  width: 42px;
  background: transparent;
  border: none;
  color: var(--accent-cyan);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 13px;
  text-align: center;
  outline: none;
}

.btn-micro {
  background: #19202e;
  border: none;
  color: var(--text-main);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 11px;
  width: 20px;
  height: 24px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-micro:hover {
  background: #28334a;
  color: #fff;
}

.transport-metrics {
  display: flex;
  gap: 8px;
  border-left: 1px solid var(--border-subtle);
  padding-left: 10px;
}

.metric-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.metric-label {
  font-size: 7px;
  color: var(--text-dim);
}

.metric-value {
  font-size: 12px;
  font-weight: 700;
  color: var(--theme-primary);
}

.preset-zone {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.dropdown-sleek {
  background: #0a0d14;
  border: 1px solid var(--border-subtle);
  color: var(--text-bright);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  padding: 5px 10px;
  border-radius: 4px;
  outline: none;
  cursor: pointer;
}

.btn-secondary {
  display: flex;
  align-items: center;
  gap: 4px;
  background: #182030;
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  padding: 5px 10px;
  border-radius: 4px;
  cursor: pointer;
}

.btn-secondary:hover {
  background: #253147;
  color: var(--accent-cyan);
}

.btn-record {
  display: flex;
  align-items: center;
  gap: 5px;
  background: #211218;
  border: 1px solid #ff225588;
  color: #ff5577;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  padding: 5px 10px;
  border-radius: 4px;
  cursor: pointer;
}

.btn-record:hover {
  background: #ff2255;
  color: #fff;
}

.btn-icon-only {
  background: #182030;
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  font-size: 13px;
  width: 28px;
  height: 28px;
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ==========================================================================
   AUTO-DJ CONDUCTOR PHRASE BAR
   ========================================================================== */
.conductor-bar {
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  padding: 8px 12px;
  box-shadow: var(--shadow-chassis);
}

.conductor-header {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.btn-conductor-mode {
  display: flex;
  align-items: center;
  gap: 6px;
  background: #141b29;
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 800;
  padding: 4px 10px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s;
}

.btn-conductor-mode.active {
  background: #19273a;
  border-color: var(--theme-primary);
  color: var(--theme-primary);
  box-shadow: 0 0 10px var(--theme-glow);
}

.pulse-dot.active {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--theme-primary);
  box-shadow: 0 0 8px var(--theme-primary);
}

.section-badge {
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 1px;
  padding: 3px 8px;
  border-radius: 3px;
  background: #1f2738;
  color: var(--theme-primary);
  border: 1px solid var(--theme-primary);
}

.conductor-countdown {
  font-size: 9px;
  font-weight: 800;
  color: var(--accent-orange);
  letter-spacing: 0.5px;
}

.phrase-progress-wrap {
  width: 100%;
  height: 5px;
  background: #090c12;
  border-radius: 3px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.phrase-progress-bar {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, var(--theme-secondary), var(--theme-primary), var(--accent-orange));
  transition: width 0.2s ease;
}

.conductor-actions {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}

.btn-section {
  background: #151a26;
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 8px;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: 3px;
  cursor: pointer;
  transition: all 0.15s;
}

.btn-section:hover, .btn-section.active {
  background: var(--theme-primary);
  color: #000;
  border-color: var(--theme-primary);
  box-shadow: 0 0 8px var(--theme-glow);
}

.btn-section.btn-drop-pulse {
  background: #2a111a;
  border-color: #ff2255;
  color: #ff5577;
}

.btn-section.btn-drop-pulse:hover, .btn-section.btn-drop-pulse.active {
  background: #ff2255;
  color: #fff;
  box-shadow: 0 0 12px rgba(255, 34, 85, 0.6);
}

/* ==========================================================================
   VISUALIZER & PERFORMANCE SIDE PANEL
   ========================================================================== */
.visualizer-stage-container {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 10px;
  height: 330px;
}

@media (max-width: 1050px) {
  .visualizer-stage-container {
    grid-template-columns: 1fr;
    height: auto;
  }
}

.visualizer-wrap {
  position: relative;
  background: #020305;
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: inset 0 0 30px rgba(0, 0, 0, 0.9);
  min-height: 240px;
}

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

.visualizer-wrap.crt-active::after {
  content: " ";
  display: block;
  position: absolute;
  top: 0; left: 0; bottom: 0; right: 0;
  background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.35) 50%), 
              linear-gradient(90deg, rgba(255, 0, 0, 0.03), rgba(0, 255, 0, 0.01), rgba(0, 0, 255, 0.03));
  z-index: 2;
  background-size: 100% 3px, 6px 100%;
  pointer-events: none;
}

.visualizer-hud {
  position: absolute;
  top: 8px; left: 10px; right: 10px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  z-index: 4;
  pointer-events: none;
}

.hud-tag {
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--theme-primary);
}

.hud-freq-meter {
  display: flex;
  gap: 6px;
  font-size: 8px;
  color: var(--text-muted);
}

.hud-center {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: rgba(255, 255, 255, 0.75);
  background: rgba(0, 0, 0, 0.6);
  padding: 2px 8px;
  border-radius: 4px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.hud-right {
  pointer-events: auto;
}

.vis-mode-tabs {
  display: flex;
  gap: 3px;
  background: rgba(8, 10, 15, 0.8);
  padding: 2px;
  border-radius: 4px;
  border: 1px solid var(--border-subtle);
}

.vis-tab {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 8px;
  font-weight: 700;
  padding: 3px 6px;
  border-radius: 3px;
  cursor: pointer;
}

.vis-tab.active {
  background: var(--theme-primary);
  color: #000;
}

.vis-controls-bar {
  position: absolute;
  bottom: 8px; left: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(8, 10, 15, 0.8);
  padding: 3px 8px;
  border-radius: 4px;
  border: 1px solid var(--border-subtle);
  z-index: 4;
}

.vis-ctrl-item {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 8px;
  font-weight: 700;
  color: var(--text-muted);
}

.dropdown-micro {
  background: #0f131c;
  border: 1px solid var(--border-subtle);
  color: var(--theme-primary);
  font-family: var(--font-mono);
  font-size: 8px;
  padding: 1px 4px;
  border-radius: 3px;
  outline: none;
}

/* ==========================================================================
   PERFORMANCE PANEL & SOUNDBOARD
   ========================================================================== */
.performance-panel {
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  box-shadow: var(--shadow-chassis);
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 4px;
}

.panel-header h3 {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 1px;
  color: var(--text-bright);
}

.badge {
  font-size: 8px;
  font-weight: 700;
  padding: 1px 4px;
  background: rgba(0, 255, 136, 0.15);
  color: var(--accent-green);
  border-radius: 2px;
}

.soundboard-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
}

.btn-pad {
  background: #141b29;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 4px;
  padding: 6px 2px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  cursor: pointer;
  transition: all 0.08s ease;
}

.btn-pad:hover {
  background: #222d42;
  border-color: var(--theme-primary);
}

.btn-pad:active, .btn-pad.pad-active {
  background: var(--theme-primary);
  color: #000;
  transform: scale(0.96);
  box-shadow: 0 0 10px var(--theme-primary);
}

.pad-key {
  font-size: 8px;
  font-weight: 800;
  color: var(--accent-cyan);
}

.btn-pad:active .pad-key {
  color: #000;
}

.pad-name {
  font-size: 7px;
  font-weight: 700;
}

.macro-tension-block {
  background: var(--bg-module-inner);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  padding: 6px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.macro-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.macro-title {
  font-size: 8px;
  font-weight: 700;
  color: var(--accent-orange);
}

.macro-val {
  font-size: 9px;
  font-weight: 800;
  color: var(--accent-orange);
}

.slider-tension {
  width: 100%;
  accent-color: var(--accent-orange);
  cursor: pointer;
}

.tension-quick-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
}

.btn-drop, .btn-build {
  background: #1f1a14;
  border: 1px solid #ff660066;
  color: #ffaa55;
  font-family: var(--font-mono);
  font-size: 8px;
  font-weight: 700;
  padding: 4px 0;
  border-radius: 3px;
  cursor: pointer;
}

.btn-drop:hover {
  background: #ff2255;
  color: #fff;
}

.btn-build:hover {
  background: #ff6600;
  color: #fff;
}

.xy-pad-block {
  background: var(--bg-module-inner);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  padding: 6px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}

.xy-header {
  display: flex;
  justify-content: space-between;
  font-size: 8px;
  font-weight: 700;
}

.xy-header span:first-child {
  color: var(--accent-cyan);
}

.xy-pad-surface {
  position: relative;
  background: radial-gradient(circle at 50% 50%, #152233 0%, #080c13 80%);
  border: 1px solid rgba(0, 240, 255, 0.25);
  border-radius: 4px;
  height: 80px;
  cursor: crosshair;
  overflow: hidden;
}

.xy-crosshair {
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent-cyan);
  box-shadow: 0 0 8px var(--accent-cyan);
  transform: translate(-50%, -50%);
  top: 50%; left: 50%;
  pointer-events: none;
}

.xy-label-top, .xy-label-bottom, .xy-label-left, .xy-label-right {
  position: absolute;
  font-size: 6px;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.3);
  pointer-events: none;
}

.xy-label-top { top: 2px; left: 50%; transform: translateX(-50%); }
.xy-label-bottom { bottom: 2px; left: 50%; transform: translateX(-50%); }
.xy-label-left { left: 2px; top: 50%; transform: translateY(-50%); }
.xy-label-right { right: 2px; top: 50%; transform: translateY(-50%); }

.xy-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 8px;
  color: var(--text-muted);
}

/* ==========================================================================
   16-STEP SEQUENCER MATRIX
   ========================================================================== */
.sequencer-matrix-section {
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 8px 12px;
  box-shadow: var(--shadow-chassis);
  overflow-x: auto;
}

.sec-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}

.sec-title {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 1px;
  color: var(--text-bright);
}

.led-indicator {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #333;
}

.led-indicator.active {
  background: var(--theme-primary);
  box-shadow: 0 0 8px var(--theme-primary);
}

.step-ruler {
  display: grid;
  grid-template-columns: 75px repeat(16, 1fr);
  gap: 3px;
  width: 100%;
  min-width: 500px;
}

.ruler-num {
  text-align: center;
  font-size: 8px;
  font-weight: 700;
  color: var(--text-dim);
}

.ruler-num.beat-head {
  color: var(--theme-primary);
}

.matrix-lanes {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 500px;
}

.matrix-lane {
  display: grid;
  grid-template-columns: 75px repeat(16, 1fr);
  gap: 3px;
  align-items: center;
}

.lane-label {
  font-size: 8px;
  font-weight: 700;
  color: var(--text-muted);
  text-align: right;
  padding-right: 6px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.step-cell {
  height: 16px;
  background: #10141e;
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 2px;
  cursor: pointer;
  position: relative;
}

.step-cell:nth-child(4n + 2) {
  border-left-color: rgba(255, 255, 255, 0.18);
}

.step-cell.active {
  background: var(--lane-color, var(--theme-primary));
  box-shadow: 0 0 6px var(--lane-color, var(--theme-primary));
}

.step-cell.accented::after {
  content: "";
  position: absolute;
  top: 1px; right: 1px;
  width: 3px; height: 3px;
  border-radius: 50%;
  background: #fff;
}

.step-cell.slide::before {
  content: "→";
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  font-size: 7px;
  color: #000;
  font-weight: 900;
}

.step-cell.current-step {
  outline: 2px solid #ffffff;
  outline-offset: -1px;
}

/* ==========================================================================
   MULTITRACK MIXER CONSOLE (RESPONSIVE)
   ========================================================================== */
.multitrack-mixer-section {
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 10px;
  box-shadow: var(--shadow-chassis);
}

.mixer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 4px;
}

.mixer-header h3 {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 1px;
}

.mixer-count {
  font-size: 8px;
  color: var(--theme-primary);
}

.sound-modules-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 8px;
}

.module-card {
  background: var(--bg-module);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: opacity 0.2s ease;
}

.mod-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 4px;
}

.mod-badge {
  font-size: 7px;
  font-weight: 800;
  padding: 1px 3px;
  background: #252d3f;
  color: var(--text-bright);
  border-radius: 2px;
}

.mod-badge.master {
  background: var(--accent-orange);
  color: #000;
}

.mod-header h4 {
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.5px;
  color: var(--text-bright);
  flex: 1;
  margin-left: 4px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.track-buttons {
  display: flex;
  gap: 3px;
}

.btn-solo, .btn-mute {
  background: #1c2230;
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 8px;
  font-weight: 800;
  width: 18px;
  height: 18px;
  border-radius: 2px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.1s;
}

.btn-solo:hover {
  background: #ffaa00;
  color: #000;
}

.btn-solo.soloed {
  background: #ffaa00;
  color: #000;
  border-color: #ffaa00;
  box-shadow: 0 0 8px #ffaa00;
}

.btn-mute:hover {
  background: #ff2255;
  color: #fff;
}

.btn-mute.muted {
  background: #ff2255;
  color: #fff;
  border-color: #ff2255;
  box-shadow: 0 0 8px #ff2255;
}

.mod-body {
  display: flex;
  gap: 6px;
  flex: 1;
}

.knob-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 6px 4px;
  flex: 1;
  background: var(--bg-module-inner);
  padding: 6px 4px;
  border-radius: 4px;
  border: 1px solid var(--border-subtle);
}

.knob-unit {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.knob-unit label {
  font-size: 7px;
  font-weight: 700;
  color: var(--text-muted);
  text-align: center;
}

.knob-container.micro {
  width: 28px;
  height: 28px;
  position: relative;
  cursor: ns-resize;
}

.knob-svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.knob-bg-track {
  fill: none;
  stroke: #1e2636;
  stroke-width: 4;
}

.knob-value-arc {
  fill: none;
  stroke: var(--theme-primary);
  stroke-width: 4;
  stroke-linecap: round;
}

.knob-cap {
  position: absolute;
  top: 3px; left: 3px; right: 3px; bottom: 3px;
  background: radial-gradient(circle at 40% 35%, #2a3346 0%, #151a24 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.knob-pointer {
  width: 2px;
  height: 7px;
  background: #ffffff;
  border-radius: 1px;
  position: absolute;
  top: 2px;
  transform-origin: 50% 11px;
}

.knob-tooltip {
  position: absolute;
  bottom: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: #000;
  color: var(--theme-primary);
  font-size: 7px;
  font-weight: 700;
  padding: 1px 3px;
  border-radius: 2px;
  border: 1px solid var(--theme-primary);
  pointer-events: none;
  opacity: 0;
  z-index: 10;
  white-space: nowrap;
}

.knob-container:hover .knob-tooltip,
.knob-container.active-drag .knob-tooltip {
  opacity: 1;
}

.fader-row {
  display: flex;
  align-items: center;
  gap: 4px;
  background: var(--bg-module-inner);
  padding: 4px 3px;
  border-radius: 4px;
  border: 1px solid var(--border-subtle);
}

.fader-vert {
  -webkit-appearance: slider-vertical;
  appearance: slider-vertical;
  width: 12px;
  height: 85px;
  background: #0d1017;
  cursor: pointer;
}

.vu-meter {
  width: 6px;
  height: 85px;
  background: #090c12;
  border-radius: 2px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  overflow: hidden;
  display: flex;
  flex-direction: column-reverse;
}

.vu-meter.master-vu {
  width: 12px;
  display: flex;
  flex-direction: row;
  gap: 2px;
}

.vu-fill {
  width: 100%;
  height: 0%;
  background: linear-gradient(0deg, #00ff88 0%, #ccff00 70%, #ff2255 100%);
  transition: height 0.06s ease;
}

.master-vu .vu-fill {
  width: 5px;
}

.recording-toast {
  position: fixed;
  bottom: 18px; right: 18px;
  background: #14090e;
  border: 1px solid #ff2255;
  box-shadow: 0 0 20px rgba(255, 34, 85, 0.4);
  padding: 10px 14px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 100;
}

.recording-toast.hidden { display: none; }
.rec-pulse { width: 10px; height: 10px; background: #ff2255; border-radius: 50%; }
.rec-status { font-size: 9px; font-weight: 700; color: #ff5577; }
.rec-time { font-size: 12px; font-weight: 800; color: #ffffff; }

.btn-rec-stop {
  background: #ff2255;
  border: none;
  color: #fff;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 10px;
  padding: 6px 10px;
  border-radius: 3px;
  cursor: pointer;
}

@media (max-width: 768px) {
  .app-layout {
    padding: 6px;
    gap: 6px;
  }
  .top-bar {
    padding: 6px 8px;
  }
  .brand-title .sub-title {
    display: none;
  }
  .sound-modules-container {
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  }
}