/**
 * NeuSynth Prime • Studio Workstation Layout & Component Styles
 * Original bespoke Neumorphic modular synthesizer interface
 */

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

body {
  background-color: var(--bg-color);
  color: var(--text-main);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding: 24px 16px 40px;
  overflow-x: hidden;
  transition: background-color 0.3s ease, color 0.3s ease;
}

body.knob-dragging {
  cursor: grabbing !important;
  user-select: none !important;
}

/* -------------------------------------------------------------
 * Top Studio Command Bar
 * ----------------------------------------------------------- */
.app-header {
  width: 100%;
  max-width: 1100px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 22px;
  padding: 0 10px;
  gap: 16px;
  flex-wrap: wrap;
}

.brand-section {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-badge {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--surface-color);
  box-shadow: var(--neu-convex);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  font-weight: 900;
  font-size: 1rem;
  border: 1px solid var(--shadow-light);
}

.brand-logo {
  font-size: 1.4rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  color: var(--text-highlight);
  text-shadow: 1px 1px 3px var(--shadow-dark-deep);
}

.brand-sub {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--accent-cyan);
  text-transform: uppercase;
}

/* Header Preset Browser Pill */
.preset-browser-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--surface-color);
  box-shadow: var(--neu-convex);
  border: 1px solid var(--shadow-light);
  border-radius: 12px;
  padding: 4px 8px;
}

.preset-nav-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 0.8rem;
  font-weight: 900;
  padding: 4px 8px;
  cursor: pointer;
  border-radius: 6px;
  transition: all 0.15s ease;
}

.preset-nav-btn:hover {
  color: var(--accent-cyan);
  background: var(--surface-dark);
}

.preset-current-display {
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--text-highlight);
  min-width: 175px;
  text-align: center;
  font-family: "Courier New", Courier, monospace;
  cursor: pointer;
  transition: color 0.15s ease;
}

.preset-current-display:hover {
  color: var(--accent-cyan);
}

.preset-browse-btn {
  background: var(--surface-dark);
  border: 1px solid var(--shadow-light);
  color: var(--accent-cyan);
  font-size: 0.62rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  padding: 4px 10px;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 4px;
  box-shadow: var(--neu-convex);
  transition: all 0.15s ease;
  user-select: none;
}

.preset-browse-btn:hover {
  filter: brightness(1.15);
  box-shadow: var(--neu-convex), 0 0 10px rgba(0, 240, 255, 0.35);
  transform: translateY(-1px);
}

.preset-browse-btn:active {
  box-shadow: var(--neu-pressed);
  transform: translateY(1px);
}

/* Header Right Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.vu-meter-mini {
  display: flex;
  align-items: center;
  gap: 4px;
  background: var(--surface-dark);
  box-shadow: var(--neu-concave);
  padding: 6px 8px;
  border-radius: 8px;
}

.vu-bar {
  width: 4px;
  height: 16px;
  background: #1c2630;
  border-radius: 2px;
  display: flex;
  flex-direction: column-reverse;
  overflow: hidden;
}

.vu-bar-fill {
  width: 100%;
  height: 35%;
  background: var(--accent-emerald);
  transition: height 0.08s ease;
}

.btn-audio-wake {
  color: var(--accent-cyan) !important;
  border-color: rgba(0, 240, 255, 0.4) !important;
  animation: pulse-audio 1.6s infinite alternate ease-in-out;
}

@keyframes pulse-audio {
  0% { box-shadow: var(--neu-convex); }
  100% { box-shadow: var(--neu-convex), 0 0 10px var(--accent-cyan-glow); }
}

/* -------------------------------------------------------------
 * Main Console Workstation Unit
 * ----------------------------------------------------------- */
.synth-unit {
  width: 100%;
  max-width: 1100px;
  padding: 28px 32px 36px;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

/* -------------------------------------------------------------
 * Upper Deck: 3 Modular Bays
 * ----------------------------------------------------------- */
.synth-deck-upper {
  display: grid;
  grid-template-columns: 240px 1fr 270px;
  gap: 20px;
  align-items: stretch;
}

/* Bay Headers */
.bay-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--shadow-light);
  padding-bottom: 8px;
  margin-bottom: 14px;
}

.bay-title {
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  text-transform: uppercase;
}

.bay-badge {
  font-size: 0.6rem;
  font-weight: 800;
  color: var(--accent-cyan);
  background: var(--surface-dark);
  padding: 2px 6px;
  border-radius: 4px;
}

/* --- Bay 1: Performance & FM Core --- */
.bay-core {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.core-knobs-row {
  display: flex;
  justify-content: space-around;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.core-knob-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.core-knob-label {
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  text-transform: uppercase;
}

.core-knob-value {
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--accent-cyan);
  font-family: monospace;
}

/* Voice & Octave Switchers in Bay 1 */
.core-switches-grid {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.switch-group-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--surface-dark);
  box-shadow: var(--neu-concave);
  padding: 6px 10px;
  border-radius: 12px;
}

.switch-group-label {
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  text-transform: uppercase;
}

.switch-buttons-pair {
  display: flex;
  gap: 6px;
}

.mini-switch-btn {
  background: var(--surface-color);
  box-shadow: var(--neu-convex);
  border: 1px solid var(--shadow-light);
  border-radius: 6px;
  color: var(--text-muted);
  font-size: 0.65rem;
  font-weight: 800;
  padding: 4px 8px;
  cursor: pointer;
  transition: all 0.12s ease;
}

.mini-switch-btn:active {
  box-shadow: var(--neu-pressed);
  transform: translateY(1px);
}

.mini-switch-btn.active {
  box-shadow: var(--neu-pressed);
  color: var(--accent-cyan);
  border-color: rgba(0, 240, 255, 0.4);
}

.octave-readout {
  font-size: 0.68rem;
  font-weight: 800;
  color: var(--accent-cyan);
  font-family: monospace;
  padding: 0 4px;
}

/* --- Bay 2: Panoramic Cyber-OLED Screen --- */
.bay-screen {
  padding: 12px;
  background: var(--oled-bezel);
  border-radius: 20px;
  box-shadow: var(--neu-well);
  border: 2px solid #1c2430;
  display: flex;
  flex-direction: column;
}

.oled-container {
  width: 100%;
  height: 100%;
  min-height: 230px;
  background: var(--oled-glass);
  border-radius: 14px;
  border: 1px solid var(--oled-inner-border);
  box-shadow: inset 0 0 24px rgba(0, 0, 0, 0.95);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  position: relative;
}

/* OLED Glass Scanline & Glare Effect */
.oled-container::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(rgba(18, 24, 32, 0) 50%, rgba(0, 0, 0, 0.22) 50%),
              linear-gradient(135deg, rgba(255, 255, 255, 0.03) 0%, transparent 60%);
  background-size: 100% 3px, 100% 100%;
  pointer-events: none;
  opacity: 0.5;
}

/* OLED Tab Navigation */
.oled-tab-bar {
  display: flex;
  background: var(--oled-tab-bg);
  border-bottom: 1px solid var(--oled-tab-border);
  padding: 4px;
  gap: 4px;
  z-index: 2;
}

.oled-tab-btn {
  flex: 1;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 6px;
  color: var(--text-dim);
  font-family: inherit;
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  padding: 5px 2px;
  cursor: pointer;
  text-align: center;
  transition: all 0.15s ease;
}

.oled-tab-btn:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.04);
}

.oled-tab-btn.active {
  background: var(--oled-tab-active);
  color: var(--accent-cyan);
  border-color: rgba(0, 240, 255, 0.4);
  box-shadow: 0 0 8px rgba(0, 240, 255, 0.2);
}

/* OLED Content Body */
.oled-body {
  flex: 1;
  padding: 10px 14px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  z-index: 1;
}

/* 1. Scope / Waveform View */
.view-scope {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.scope-canvas {
  width: 100%;
  height: 120px;
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.4);
}

.scope-telemetry {
  display: flex;
  justify-content: space-between;
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--oled-text);
  font-family: monospace;
  margin-top: 6px;
}

/* 2. Effects Rack View */
.view-effects {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  width: 100%;
  height: 100%;
}

.fx-module-card {
  background: #121922;
  border: 1px solid #1f2c3d;
  border-radius: 8px;
  padding: 6px 8px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  cursor: pointer;
  transition: all 0.15s ease;
}

.fx-module-card:hover {
  background: #172230;
}

.fx-module-card.selected {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.25);
}

.fx-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.fx-card-name {
  font-size: 0.68rem;
  font-weight: 800;
  color: #d8e6f2;
}

.fx-card-led {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #2a3848;
}

.fx-card-led.lit {
  background: var(--accent-crimson);
  box-shadow: 0 0 8px var(--accent-crimson-glow);
}

.fx-card-param {
  font-size: 0.6rem;
  color: var(--accent-cyan);
  font-family: monospace;
  margin-top: 4px;
}

/* 3. Envelope View */
.view-envelope {
  display: flex;
  flex-direction: column;
  height: 100%;
  justify-content: space-between;
}

.env-op-selector {
  display: flex;
  gap: 4px;
  margin-bottom: 6px;
}

.env-op-btn {
  flex: 1;
  background: #131c26;
  border: 1px solid #202d3e;
  border-radius: 4px;
  color: var(--text-dim);
  font-size: 0.6rem;
  font-weight: 800;
  padding: 3px 0;
  cursor: pointer;
}

.env-op-btn.active {
  background: var(--accent-cyan);
  color: #0b1219;
}

.env-canvas {
  width: 100%;
  height: 100px;
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.4);
}

/* 4. Operators View */
.view-operators {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 6px;
  height: 100%;
}

.op-col {
  background: #121922;
  border: 1px solid #1f2c3d;
  border-radius: 6px;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 6px 2px;
  cursor: pointer;
  justify-content: space-between;
}

.op-col.selected {
  border-color: var(--accent-cyan);
}

.op-col-title {
  font-size: 0.65rem;
  font-weight: 800;
  color: var(--accent-cyan);
}

.op-col-meter {
  width: 10px;
  height: 80px;
  background: rgba(0, 0, 0, 0.5);
  border-radius: 3px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}

.op-col-fill {
  width: 100%;
  background: linear-gradient(180deg, var(--accent-cyan) 0%, #008ba3 100%);
  transition: height 0.1s ease;
}

.op-col-ratio {
  font-size: 0.58rem;
  color: var(--text-muted);
  font-family: monospace;
}

/* 5. Sequencer View */
.view-sequencer {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
}

.seq-screen-grid {
  display: grid;
  grid-template-columns: repeat(16, 1fr);
  gap: 3px;
  margin: 10px 0;
}

.seq-screen-col {
  height: 90px;
  background: #121922;
  border: 1px solid #1f2c3d;
  border-radius: 4px;
  display: flex;
  flex-direction: column-reverse;
  padding: 2px;
}

.seq-screen-col.current {
  border-color: var(--accent-amber);
  box-shadow: 0 0 8px rgba(255, 170, 0, 0.4);
}

.seq-screen-col.rec-target {
  border-color: #ff3344;
  box-shadow: 0 0 10px rgba(255, 51, 68, 0.6);
}

.seq-screen-fill {
  width: 100%;
  background: var(--accent-cyan);
  border-radius: 2px;
}

/* 6. Drums Multi-Track Matrix View */
.view-drums {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
  gap: 6px;
}

.drums-header-stats {
  display: flex;
  justify-content: space-between;
  font-size: 0.65rem;
  color: #8ab4f8;
  font-family: monospace;
}

.drum-matrix-grid {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin: 2px 0;
}

.drum-matrix-row {
  display: flex;
  align-items: center;
  gap: 6px;
}

.drum-matrix-label {
  width: 44px;
  font-size: 0.58rem;
  font-weight: 800;
  font-family: monospace;
  color: var(--oled-text);
  letter-spacing: 0.05em;
  text-align: right;
  padding-right: 4px;
  flex-shrink: 0;
}

.drum-matrix-row.triggered .drum-matrix-label {
  color: var(--accent-amber);
  text-shadow: 0 0 6px var(--accent-amber);
}

.drum-matrix-steps {
  display: grid;
  grid-template-columns: repeat(16, 1fr);
  gap: 3px;
  flex: 1;
}

.drum-matrix-cell {
  height: 12px;
  background: #10161e;
  border: 1px solid #1a2533;
  border-radius: 2px;
  transition: all 0.05s ease;
}

.drum-matrix-cell.beat-start {
  border-left-color: #2e3e52;
}

.drum-matrix-cell.active {
  background: var(--accent-cyan);
  box-shadow: 0 0 4px var(--accent-cyan);
  border-color: #5df7ff;
}

.drum-matrix-cell.current {
  border-color: var(--accent-amber);
  box-shadow: 0 0 6px rgba(255, 170, 0, 0.6);
}

.drum-matrix-cell.active.current {
  background: var(--accent-amber);
  box-shadow: 0 0 8px var(--accent-amber);
  border-color: #fff;
}

/* 7. Settings View */
.view-settings {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.7rem;
  justify-content: center;
}

.setting-row {
  display: flex;
  justify-content: space-between;
  padding: 5px 0;
  border-bottom: 1px dashed #1e2c3d;
  color: var(--oled-text);
}

/* OLED Status Footer */
.oled-footer {
  background: var(--oled-tab-bg);
  border-top: 1px solid var(--oled-tab-border);
  padding: 5px 12px;
  display: flex;
  justify-content: space-between;
  font-size: 0.62rem;
  font-weight: 700;
  color: var(--oled-text);
  font-family: monospace;
  z-index: 2;
}

/* --- Bay 3: Dynamic Macro Deck & Transport --- */
.bay-macro {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.macro-grid-2x2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px 12px;
  margin-bottom: 14px;
}

.macro-knob-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
}

.macro-label {
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  text-transform: uppercase;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 90px;
}

/* Studio Transport & Sequencing Controls */
.transport-cluster {
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: var(--surface-dark);
  box-shadow: var(--neu-concave);
  padding: 10px;
  border-radius: 14px;
}

.transport-row-upper,
.transport-row-lower {
  display: flex;
  gap: 8px;
}

.transport-btn {
  flex: 1;
  padding: 10px 6px;
  font-size: 0.7rem;
}

.btn-hero-play {
  flex: 1.5;
  background: var(--surface-color);
  color: var(--accent-emerald);
  font-size: 0.75rem;
}

/* -------------------------------------------------------------
 * Lower Deck: 16-Step Sequencer Strip & Piano Keyboard
 * ----------------------------------------------------------- */
.synth-deck-lower {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* --- Dedicated 16-Step Sequencer Strip --- */
.sequencer-strip-container {
  padding: 12px 14px;
  border-radius: 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.seq-strip-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 4px;
  gap: 12px;
  flex-wrap: wrap;
}

.seq-track-nav {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.seq-strip-title {
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  color: var(--text-muted);
  text-transform: uppercase;
}

.seq-track-tabs {
  display: flex;
  align-items: center;
  gap: 4px;
  background: var(--surface-dark);
  padding: 3px;
  border-radius: 8px;
  box-shadow: var(--neu-pressed);
}

.seq-track-btn {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-muted);
  font-size: 0.6rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  padding: 4px 8px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.12s ease;
}

.seq-track-btn:hover {
  color: var(--text-main);
}

.seq-track-btn.active {
  background: var(--surface-color);
  color: var(--accent-cyan);
  border-color: rgba(0, 240, 255, 0.3);
  box-shadow: var(--neu-convex), 0 0 8px rgba(0, 240, 255, 0.2);
}

.seq-header-stats {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Step Recording Controls Bar */
.seq-rec-controls {
  display: flex;
  align-items: center;
  gap: 4px;
  background: var(--surface-recessed);
  box-shadow: var(--neu-pressed);
  border: 1px solid rgba(255, 51, 68, 0.4);
  border-radius: 20px;
  padding: 2px 6px;
  animation: fadeInRec 0.2s ease;
}

@keyframes fadeInRec {
  from { opacity: 0; transform: scale(0.96); }
  to { opacity: 1; transform: scale(1); }
}

.seq-rec-badge {
  background: rgba(255, 51, 68, 0.15) !important;
  border: 1px solid rgba(255, 51, 68, 0.4) !important;
  color: #ff5566 !important;
  font-family: var(--font-mono, monospace) !important;
  font-weight: 800 !important;
  font-size: 0.65rem !important;
  letter-spacing: 0.6px;
  padding: 2px 8px !important;
  border-radius: 12px !important;
  white-space: nowrap;
  animation: pulseRecDot 1.2s infinite alternate ease-in-out;
}

@keyframes pulseRecDot {
  from { opacity: 0.85; text-shadow: 0 0 4px rgba(255, 51, 68, 0.4); }
  to { opacity: 1; text-shadow: 0 0 10px rgba(255, 51, 68, 0.9); }
}

.seq-step-nav-btn {
  height: 20px;
  padding: 0 7px;
  border-radius: 10px;
  background: var(--surface-color);
  box-shadow: var(--neu-convex);
  border: 1px solid var(--shadow-light);
  color: var(--text-main);
  font-size: 0.65rem;
  font-weight: 800;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.1s ease;
  white-space: nowrap;
}

.seq-step-nav-btn:hover {
  color: var(--accent-cyan);
  filter: brightness(1.15);
}

.seq-step-nav-btn:active {
  box-shadow: var(--neu-pressed);
  transform: translateY(1px);
}

.seq-rec-skip-btn {
  color: var(--accent-amber) !important;
  border-color: rgba(255, 170, 0, 0.35) !important;
  padding: 0 9px;
  letter-spacing: 0.5px;
}

.seq-rec-skip-btn:hover {
  border-color: var(--accent-amber) !important;
  box-shadow: var(--neu-convex), 0 0 8px rgba(255, 170, 0, 0.4) !important;
}

.seq-rec-clear-btn {
  color: #ff6b6b !important;
  border-color: rgba(255, 107, 107, 0.3) !important;
}

.seq-rec-clear-btn:hover {
  border-color: #ff6b6b !important;
  box-shadow: var(--neu-convex), 0 0 8px rgba(255, 107, 107, 0.4) !important;
}

/* Interactive Neumorphic BPM Controller */
.seq-bpm-controller {
  display: flex;
  align-items: center;
  gap: 4px;
  background: var(--surface-recessed);
  box-shadow: var(--neu-pressed);
  border: 1px solid var(--shadow-light);
  border-radius: 20px;
  padding: 2px 6px;
  user-select: none;
}

.seq-bpm-btn {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 1px solid var(--shadow-light);
  background: var(--surface-color);
  box-shadow: var(--neu-convex);
  color: var(--text-main);
  font-size: 13px;
  line-height: 1;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0;
  transition: all 0.1s ease;
}

.seq-bpm-btn:hover {
  color: var(--accent-cyan);
  filter: brightness(1.15);
}

.seq-bpm-btn:active {
  box-shadow: var(--neu-pressed);
  transform: translateY(1px);
}

.seq-bpm-display-wrap {
  display: flex;
  align-items: baseline;
  gap: 3px;
  padding: 1px 5px;
  border-radius: 4px;
  cursor: ew-resize;
  transition: background 0.15s ease;
}

.seq-bpm-display-wrap:hover {
  background: rgba(0, 240, 255, 0.08);
}

.seq-bpm-val {
  font-family: var(--font-mono, monospace);
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--accent-cyan);
  text-shadow: 0 0 6px rgba(0, 240, 255, 0.35);
}

.seq-bpm-unit {
  font-family: var(--font-mono, monospace);
  font-size: 0.62rem;
  font-weight: 700;
  color: var(--text-muted);
}

.seq-bpm-input {
  width: 44px;
  height: 20px;
  background: var(--surface-color);
  color: var(--accent-cyan);
  border: 1px solid var(--accent-cyan);
  border-radius: 4px;
  font-family: var(--font-mono, monospace);
  font-size: 0.8rem;
  font-weight: 800;
  text-align: center;
  padding: 0 2px;
  outline: none;
}

.seq-bpm-tap-btn {
  padding: 2px 7px;
  height: 20px;
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.8px;
  border-radius: 10px;
  background: var(--surface-color);
  box-shadow: var(--neu-convex);
  border: 1px solid var(--shadow-light);
  color: var(--accent-amber);
  cursor: pointer;
  transition: all 0.08s ease;
  margin-left: 2px;
}

.seq-bpm-tap-btn:hover {
  filter: brightness(1.15);
  border-color: rgba(255, 170, 0, 0.4);
}

.seq-bpm-tap-btn:active,
.seq-bpm-tap-btn.tapped {
  box-shadow: var(--neu-pressed), 0 0 10px rgba(255, 170, 0, 0.6);
  color: #ffffff;
  background: rgba(255, 170, 0, 0.35);
  border-color: var(--accent-amber);
}

.seq-strip-grid {
  display: grid;
  grid-template-columns: repeat(16, 1fr);
  gap: 6px;
}

.seq-step-pad {
  height: 48px;
  background: var(--surface-color);
  box-shadow: var(--neu-convex);
  border: 1px solid var(--shadow-light);
  border-radius: 8px;
  cursor: pointer;
  user-select: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  padding: 5px 2px;
  transition: all 0.1s ease;
  position: relative;
}

.seq-step-pad:hover {
  filter: brightness(1.08);
}

.seq-step-pad:active {
  box-shadow: var(--neu-pressed);
  transform: translateY(1px);
}

.step-number {
  font-size: 0.6rem;
  font-weight: 800;
  color: var(--text-dim);
}

.step-note-name {
  font-size: 0.62rem;
  font-weight: 800;
  font-family: var(--font-mono, monospace);
  color: var(--text-dim);
  line-height: 1;
  text-align: center;
  white-space: nowrap;
  letter-spacing: -0.2px;
  transition: color 0.15s ease, text-shadow 0.15s ease;
}

.step-indicator-led {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #1a222c;
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.6);
  transition: all 0.1s ease;
}

.seq-step-pad.active .step-note-name {
  color: var(--accent-cyan);
  text-shadow: 0 0 6px var(--accent-cyan-glow);
}

.seq-step-pad.active .step-indicator-led {
  background: var(--accent-cyan);
  box-shadow: 0 0 8px var(--accent-cyan-glow);
}

.seq-step-pad.chase {
  border-color: var(--accent-amber) !important;
  box-shadow: var(--neu-pressed), 0 0 12px var(--accent-amber-glow) !important;
}

.seq-step-pad.chase .step-indicator-led {
  background: var(--accent-amber) !important;
  box-shadow: 0 0 10px var(--accent-amber) !important;
}

/* Step Recording Target Cursor */
.seq-step-pad.rec-cursor {
  border-color: #ff3344 !important;
  box-shadow: var(--neu-convex), 0 0 0 1.5px #ff3344, 0 0 12px rgba(255, 51, 68, 0.6) !important;
  animation: pulseRecPad 1s infinite alternate ease-in-out;
  transform: translateY(-1px);
}

@keyframes pulseRecPad {
  0% {
    box-shadow: var(--neu-convex), 0 0 0 1.5px #ff3344, 0 0 8px rgba(255, 51, 68, 0.45);
    border-color: #ff3344;
  }
  100% {
    box-shadow: var(--neu-convex), 0 0 0 2px #ff4455, 0 0 16px rgba(255, 51, 68, 0.85);
    border-color: #ff6677;
  }
}

.seq-step-pad.rec-cursor .step-number {
  color: #ff5566 !important;
  font-weight: 900;
}

.seq-step-pad.rec-cursor .step-note-name {
  color: #ff5566 !important;
  font-weight: 900;
  text-shadow: 0 0 8px rgba(255, 51, 68, 0.8);
}

.seq-step-pad.rec-cursor .step-indicator-led {
  background: #ff3344 !important;
  box-shadow: 0 0 8px rgba(255, 51, 68, 0.9) !important;
}

/* --- Live Percussion Trigger Performance Pads --- */
.drum-pads-strip {
  padding: 12px 14px;
  border-radius: 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.drum-pads-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 4px;
  flex-wrap: wrap;
  gap: 8px;
}

.drum-pads-title-group {
  display: flex;
  align-items: center;
  gap: 10px;
}

.drum-pads-title {
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  color: var(--text-muted);
  text-transform: uppercase;
}

.drum-bus-badge {
  color: var(--accent-amber);
  border-color: rgba(255, 170, 0, 0.3);
}

.drum-pads-sub {
  font-size: 0.6rem;
  font-weight: 700;
  color: var(--text-dim);
  letter-spacing: 0.08em;
  font-family: monospace;
}

.drum-pads-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 10px;
}

.drum-pad-btn {
  height: 66px;
  background: var(--surface-color);
  box-shadow: var(--neu-convex);
  border: 1px solid var(--shadow-light);
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  padding: 8px 6px 6px;
  cursor: pointer;
  user-select: none;
  position: relative;
  transition: transform 0.08s ease, box-shadow 0.08s ease, border-color 0.08s ease, background-color 0.08s ease;
}

.drum-pad-btn:hover {
  filter: brightness(1.06);
}

.drum-pad-btn:active,
.drum-pad-btn.triggered {
  box-shadow: var(--neu-pressed), 0 0 16px var(--accent-amber-glow);
  transform: translateY(2px);
  border-color: var(--accent-amber);
  background: var(--surface-light);
}

.drum-pad-num {
  font-size: 0.58rem;
  font-weight: 900;
  color: var(--text-dim);
}

.drum-pad-name {
  font-size: 0.88rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  color: var(--text-main);
}

.drum-pad-btn.triggered .drum-pad-name {
  color: var(--accent-amber);
}

.drum-pad-desc {
  font-size: 0.52rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  text-transform: uppercase;
}

.drum-pad-led {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #1a222c;
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.6);
  transition: background-color 0.08s ease, box-shadow 0.08s ease;
}

.drum-pad-btn.triggered .drum-pad-led {
  background: var(--accent-amber);
  box-shadow: 0 0 10px var(--accent-amber), 0 0 4px #fff;
}

/* --- Pro 25-Key Neumorphic Piano Keyboard Bed --- */
.keyboard-bed-container {
  padding: 16px 20px 20px;
  border-radius: 22px;
  display: flex;
  gap: 16px;
  position: relative;
}

/* Wing Controls */
.keyboard-wing {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 58px;
}

.wing-btn-cluster {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.wing-btn {
  padding: 6px 2px;
  font-size: 0.62rem;
  font-weight: 800;
}

.mod-strip {
  height: 96px;
  background: var(--surface-dark);
  box-shadow: var(--neu-concave);
  border: 1px solid var(--shadow-light);
  border-radius: 8px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  user-select: none;
  touch-action: none;
  transition: border-color 0.15s ease;
}

.mod-strip:hover {
  border-color: rgba(0, 240, 255, 0.4);
}

/* Vertical LED Track */
.mod-strip-track {
  position: absolute;
  top: 8px;
  bottom: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  background: rgba(0, 0, 0, 0.4);
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.8);
  border-radius: 2px;
  pointer-events: none;
  overflow: hidden;
}

.mod-strip-fill {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--accent-cyan);
  box-shadow: 0 0 8px var(--accent-cyan-glow);
  border-radius: 2px;
  height: 50%;
  transition: height 0.04s ease-out;
}

.mod-strip-thumb {
  position: absolute;
  top: 4px;
  left: 4px;
  width: calc(100% - 8px);
  height: 20px;
  background: var(--surface-color);
  box-shadow: var(--neu-convex);
  border: 1px solid var(--shadow-light);
  border-radius: 5px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: grab;
  touch-action: none;
  z-index: 2;
  transition: box-shadow 0.15s ease;
}

.mod-strip-thumb:active {
  cursor: grabbing;
  box-shadow: var(--neu-pressed), 0 0 10px rgba(0, 240, 255, 0.5);
}

.mod-thumb-ridge {
  width: 14px;
  height: 2px;
  background: var(--accent-cyan);
  box-shadow: 0 0 4px var(--accent-cyan-glow);
  border-radius: 1px;
  pointer-events: none;
}

.mod-strip-label {
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.5rem;
  font-weight: 800;
  letter-spacing: 0.6px;
  color: var(--text-dim);
  pointer-events: none;
  opacity: 0.7;
}

/* Piano Keyboard Surface */
.piano-surface {
  flex: 1;
  height: 160px;
  position: relative;
  user-select: none;
  touch-action: none;
}

/* White Keys Layer */
.white-keys-layer {
  display: flex;
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  gap: 4px;
  z-index: 1;
}

.white-key {
  flex: 1;
  height: 100%;
  background: var(--key-white-bg);
  box-shadow: var(--neu-convex);
  border: 1px solid var(--shadow-light);
  border-radius: 0 0 8px 8px;
  cursor: pointer;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: center;
  padding-bottom: 10px;
  transition: all 0.06s ease;
}

.white-key:hover {
  filter: brightness(1.03);
}

.white-key:active,
.white-key.pressed {
  box-shadow: var(--neu-pressed);
  transform: translateY(2px);
  filter: brightness(0.96);
}

/* Black Keys Layer */
.black-keys-layer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 60%;
  pointer-events: none;
  z-index: 2;
}

.black-key {
  position: absolute;
  width: 4.2%;
  height: 100%;
  background: var(--key-black-bg);
  box-shadow: 4px 6px 12px rgba(0, 0, 0, 0.7), inset 0 1px 2px rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(0, 0, 0, 0.8);
  border-radius: 0 0 6px 6px;
  pointer-events: auto;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: center;
  padding-bottom: 8px;
  transition: all 0.06s ease;
}

.black-key:hover {
  filter: brightness(1.15);
}

.black-key:active,
.black-key.pressed {
  box-shadow: inset 2px 2px 6px rgba(0, 0, 0, 0.9);
  transform: translateY(2px);
}

/* Luminous Center Slits on Keys */
.key-slit {
  width: 4px;
  height: 32px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 2px;
  margin-bottom: 8px;
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.5);
  transition: all 0.06s ease;
}

.black-key .key-slit {
  height: 22px;
  background: rgba(255, 255, 255, 0.15);
}

.white-key.pressed .key-slit,
.black-key.pressed .key-slit {
  background: var(--accent-cyan) !important;
  box-shadow: 0 0 12px var(--accent-cyan), 0 0 24px var(--accent-cyan-glow), inset 0 0 4px #fff !important;
}

.white-key.seq-lit .key-slit,
.black-key.seq-lit .key-slit {
  background: var(--accent-amber) !important;
  box-shadow: 0 0 10px var(--accent-amber), 0 0 20px var(--accent-amber-glow), inset 0 0 4px #fff !important;
}

.key-label-note {
  font-size: 0.62rem;
  font-weight: 800;
  color: var(--key-white-text);
  letter-spacing: 0.02em;
}

.black-key .key-label-note {
  font-size: 0.55rem;
  color: var(--key-black-text);
}

.key-label-kbd {
  font-size: 0.5rem;
  font-weight: 700;
  color: var(--text-dim);
}

/* -------------------------------------------------------------
 * Bottom Guide Footer
 * ----------------------------------------------------------- */
.synth-guide-footer {
  width: 100%;
  max-width: 1100px;
  margin-top: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.72rem;
  color: var(--text-muted);
  padding: 0 12px;
  flex-wrap: wrap;
  gap: 10px;
}

.guide-keys {
  display: flex;
  gap: 6px;
  align-items: center;
}

.kbd-badge {
  background: var(--surface-color);
  box-shadow: var(--neu-convex);
  border: 1px solid var(--shadow-light);
  border-radius: 4px;
  padding: 2px 6px;
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--text-main);
}

/* -------------------------------------------------------------
 * Responsive Layout
 * ----------------------------------------------------------- */
@media (max-width: 1024px) {
  .synth-deck-upper {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

/* -------------------------------------------------------------
 * Neumorphic Preset Browser & Genre Scenes Modal
 * ----------------------------------------------------------- */
.preset-modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(8, 11, 16, 0.82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 1;
  visibility: visible;
  transition: opacity 0.2s ease, visibility 0.2s ease;
}

body.light-theme .preset-modal-backdrop {
  background: rgba(200, 212, 228, 0.75);
}

.preset-modal-backdrop[hidden] {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  display: none !important;
}

.preset-modal-window {
  width: 100%;
  max-width: 1020px;
  max-height: 88vh;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 22px 24px;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--neu-chassis);
  border: 1px solid var(--shadow-light);
  animation: modalScaleIn 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalScaleIn {
  from {
    opacity: 0;
    transform: scale(0.96) translateY(12px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.preset-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--shadow-light);
  padding-bottom: 12px;
}

.preset-modal-title-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

.preset-modal-title {
  font-size: 1.15rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  color: var(--text-highlight);
  margin: 0;
}

.preset-modal-subtitle {
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  color: var(--accent-cyan);
  text-transform: uppercase;
}

.preset-modal-close {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-muted);
}

.preset-modal-close:hover {
  color: var(--accent-crimson);
  box-shadow: var(--neu-convex), 0 0 10px var(--accent-crimson-glow);
}

/* Modal Toolbar */
.preset-modal-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.preset-genre-pills {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  background: var(--surface-dark);
  padding: 4px;
  border-radius: 10px;
  box-shadow: var(--neu-pressed);
}

.preset-genre-btn {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-muted);
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  padding: 5px 10px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.12s ease;
  user-select: none;
}

.preset-genre-btn:hover {
  color: var(--text-main);
}

.preset-genre-btn.active {
  background: var(--surface-color);
  color: var(--accent-cyan);
  border-color: rgba(0, 240, 255, 0.35);
  box-shadow: var(--neu-convex), 0 0 8px rgba(0, 240, 255, 0.2);
}

.preset-toolbar-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.preset-search-box {
  position: relative;
  display: flex;
  align-items: center;
}

.preset-search-icon {
  position: absolute;
  left: 10px;
  font-size: 0.72rem;
  color: var(--text-dim);
  pointer-events: none;
}

.preset-search-input {
  background: var(--surface-dark);
  border: 1px solid var(--shadow-light);
  box-shadow: var(--neu-concave);
  border-radius: 8px;
  color: var(--text-main);
  font-size: 0.72rem;
  padding: 6px 12px 6px 30px;
  width: 170px;
  transition: all 0.2s ease;
  font-family: inherit;
}

.preset-search-input:focus {
  outline: none;
  border-color: var(--accent-cyan);
  width: 210px;
  box-shadow: var(--neu-concave), 0 0 8px rgba(0, 240, 255, 0.3);
}

/* Tactile Switch Component */
.neu-switch-label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  user-select: none;
}

.neu-switch-label input {
  display: none;
}

.neu-switch-track {
  width: 36px;
  height: 20px;
  border-radius: 12px;
  background: var(--surface-dark);
  box-shadow: var(--neu-concave);
  border: 1px solid var(--shadow-light);
  position: relative;
  transition: all 0.2s ease;
}

.neu-switch-thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--text-muted);
  box-shadow: var(--neu-convex);
  transition: all 0.2s ease;
}

.neu-switch-label input:checked + .neu-switch-track {
  background: rgba(0, 240, 255, 0.15);
  border-color: rgba(0, 240, 255, 0.4);
}

.neu-switch-label input:checked + .neu-switch-track .neu-switch-thumb {
  left: 18px;
  background: var(--accent-cyan);
  box-shadow: 0 0 8px var(--accent-cyan);
}

.neu-switch-text {
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

/* Preset Cards Container & Grid */
.preset-cards-container {
  flex: 1;
  overflow-y: auto;
  max-height: 52vh;
  padding: 4px 4px 10px;
}

.preset-cards-container::-webkit-scrollbar {
  width: 6px;
}

.preset-cards-container::-webkit-scrollbar-thumb {
  background: var(--surface-dark);
  border-radius: 4px;
}

.preset-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 12px;
}

/* Individual Preset Card */
.preset-card {
  background: var(--surface-color);
  box-shadow: var(--neu-convex);
  border: 1px solid var(--shadow-light);
  border-radius: 14px;
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 8px;
  transition: transform 0.12s ease, box-shadow 0.12s ease, border-color 0.12s ease;
}

.preset-card:hover {
  filter: brightness(1.04);
  transform: translateY(-2px);
  box-shadow: var(--neu-convex), 0 6px 16px rgba(0, 0, 0, 0.3);
}

.preset-card.current-active {
  border-color: var(--accent-cyan);
  box-shadow: var(--neu-convex), 0 0 12px rgba(0, 240, 255, 0.35);
}

.preset-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.preset-card-code {
  font-size: 0.62rem;
  font-weight: 900;
  color: var(--text-dim);
  font-family: monospace;
}

.genre-badge {
  font-size: 0.52rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  padding: 2px 7px;
  border-radius: 6px;
  border: 1px solid;
  text-transform: uppercase;
}

.genre-badge.euro-trance {
  color: var(--accent-cyan);
  border-color: rgba(0, 240, 255, 0.35);
  background: rgba(0, 240, 255, 0.08);
}

.genre-badge.dark-beats {
  color: var(--accent-crimson);
  border-color: rgba(255, 23, 68, 0.35);
  background: rgba(255, 23, 68, 0.08);
}

.genre-badge.techno {
  color: var(--accent-emerald);
  border-color: rgba(0, 230, 118, 0.35);
  background: rgba(0, 230, 118, 0.08);
}

.genre-badge.synthwave {
  color: var(--accent-purple);
  border-color: rgba(179, 136, 255, 0.35);
  background: rgba(179, 136, 255, 0.08);
}

.genre-badge.classics {
  color: var(--accent-amber);
  border-color: rgba(255, 170, 0, 0.35);
  background: rgba(255, 170, 0, 0.08);
}

.preset-card-title {
  font-size: 0.88rem;
  font-weight: 900;
  letter-spacing: 0.06em;
  color: var(--text-main);
  margin: 2px 0 0;
}

.preset-card.current-active .preset-card-title {
  color: var(--accent-cyan);
}

.preset-card-desc {
  font-size: 0.65rem;
  color: var(--text-muted);
  line-height: 1.35;
  margin: 0;
  flex: 1;
}

.preset-card-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.58rem;
  font-family: monospace;
  color: var(--text-dim);
}

.preset-card-meta span {
  background: var(--surface-dark);
  padding: 2px 6px;
  border-radius: 4px;
}

.preset-card-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 4px;
}

.preset-action-btn {
  font-size: 0.6rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  padding: 6px 8px;
  border-radius: 8px;
  cursor: pointer;
  text-align: center;
  user-select: none;
  transition: all 0.12s ease;
}

.btn-load-sound {
  background: var(--surface-color);
  color: var(--text-main);
  box-shadow: var(--neu-convex);
  border: 1px solid var(--shadow-light);
}

.btn-load-sound:hover {
  filter: brightness(1.1);
  color: var(--accent-cyan);
}

.btn-load-sound:active {
  box-shadow: var(--neu-pressed);
  transform: translateY(1px);
}

.btn-load-groove {
  background: var(--surface-dark);
  color: var(--accent-amber);
  border: 1px solid rgba(255, 170, 0, 0.3);
  box-shadow: var(--neu-convex);
}

.btn-load-groove:hover {
  filter: brightness(1.15);
  box-shadow: var(--neu-convex), 0 0 10px var(--accent-amber-glow);
  transform: translateY(-1px);
}

.btn-load-groove:active {
  box-shadow: var(--neu-pressed);
  transform: translateY(1px);
}

/* Modal Footer */
.preset-modal-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--shadow-light);
  padding-top: 10px;
  font-size: 0.62rem;
  color: var(--text-dim);
  font-family: monospace;
  flex-wrap: wrap;
  gap: 8px;
}

.preset-hint {
  color: var(--accent-amber);
  font-weight: 700;
}

/* ==========================================================================
   File Storage, Local Save/Load & Drag-and-Drop System
   ========================================================================== */

.preset-file-actions {
  display: flex;
  gap: 6px;
}

.preset-quick-file-btn {
  padding: 5px 10px;
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.6px;
  border-radius: 8px;
  color: var(--text-main);
  border: 1px solid var(--shadow-light);
  background: var(--surface-color);
  box-shadow: var(--neu-convex);
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.preset-quick-file-btn:hover {
  color: var(--accent-cyan);
  border-color: rgba(0, 240, 255, 0.4);
  box-shadow: var(--neu-convex), 0 0 8px rgba(0, 240, 255, 0.25);
  transform: translateY(-1px);
}

.preset-quick-file-btn:active {
  box-shadow: var(--neu-pressed);
  transform: translateY(1px);
}

/* File Modal Window */
.file-modal-window {
  max-width: 780px;
}

.file-modal-body {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 16px;
  margin: 14px 0;
}

.file-card {
  padding: 16px;
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  border: 1px solid var(--shadow-light);
}

.file-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
}

.file-card-icon {
  font-size: 1.4rem;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--surface-color);
  box-shadow: var(--neu-convex);
  display: flex;
  align-items: center;
  justify-content: center;
}

.file-card-title {
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 1px;
  color: var(--text-main);
}

.file-card-sub {
  font-size: 0.65rem;
  color: var(--text-dim);
  font-family: monospace;
}

.file-input-group {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.file-input-label {
  font-size: 0.6rem;
  font-weight: 800;
  letter-spacing: 1px;
  color: var(--text-muted);
}

.file-text-input {
  background: var(--surface-recessed);
  box-shadow: var(--neu-pressed);
  border: 1px solid var(--shadow-light);
  border-radius: 8px;
  color: var(--accent-cyan);
  font-family: var(--font-mono, monospace);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 8px 12px;
  outline: none;
  transition: border-color 0.2s ease;
}

.file-text-input:focus {
  border-color: var(--accent-cyan);
  box-shadow: var(--neu-pressed), 0 0 8px rgba(0, 240, 255, 0.25);
}

.file-options-row {
  display: flex;
  align-items: center;
}

.neu-checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--text-main);
  cursor: pointer;
  user-select: none;
}

.neu-checkbox-label input[type="checkbox"] {
  accent-color: var(--accent-cyan);
  width: 15px;
  height: 15px;
  cursor: pointer;
}

.file-dropzone {
  border: 2px dashed rgba(0, 240, 255, 0.35);
  border-radius: 10px;
  background: rgba(0, 240, 255, 0.03);
  padding: 18px 12px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.file-dropzone:hover,
.file-dropzone.drag-active {
  background: rgba(0, 240, 255, 0.08);
  border-color: var(--accent-cyan);
  box-shadow: 0 0 12px rgba(0, 240, 255, 0.2);
  transform: scale(1.01);
}

.dropzone-icon {
  font-size: 1.4rem;
  color: var(--accent-cyan);
}

.dropzone-text {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.8px;
  color: var(--text-main);
}

.dropzone-sub {
  font-size: 0.6rem;
  color: var(--text-muted);
  font-family: monospace;
}

.file-action-btn {
  width: 100%;
  padding: 10px;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.8px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.file-btn-download {
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 240, 255, 0.3);
}

.file-btn-download:hover {
  border-color: var(--accent-cyan);
  box-shadow: var(--neu-convex), 0 0 10px rgba(0, 240, 255, 0.3);
  transform: translateY(-1px);
}

.file-btn-upload {
  color: var(--accent-amber);
  border: 1px solid rgba(255, 170, 0, 0.3);
}

.file-btn-upload:hover {
  border-color: var(--accent-amber);
  box-shadow: var(--neu-convex), 0 0 10px rgba(255, 170, 0, 0.3);
  transform: translateY(-1px);
}

.file-bank-section {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-radius: 12px;
  margin-bottom: 12px;
  flex-wrap: wrap;
  gap: 10px;
  border: 1px solid var(--shadow-light);
}

.file-bank-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.file-bank-title {
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 1px;
  color: var(--text-main);
}

.file-bank-sub {
  font-size: 0.62rem;
  color: var(--text-dim);
  font-family: monospace;
}

.file-bank-btns {
  display: flex;
  gap: 8px;
}

.file-bank-btn {
  padding: 6px 12px;
  font-size: 0.68rem;
  font-weight: 800;
  border-radius: 8px;
  cursor: pointer;
  color: var(--text-main);
}

.file-bank-btn:hover {
  color: var(--accent-emerald);
  border-color: rgba(0, 255, 136, 0.3);
  box-shadow: var(--neu-convex), 0 0 8px rgba(0, 255, 136, 0.25);
}

/* Full Window Drag & Drop Overlay */
.window-drop-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 14, 20, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 10000;
  display: none;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  border: 4px dashed var(--accent-cyan);
}

.window-drop-overlay.active {
  display: flex;
  pointer-events: auto;
}

.window-drop-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 40px 60px;
  border-radius: 20px;
  background: var(--surface-color);
  box-shadow: var(--neu-convex), 0 16px 40px rgba(0, 0, 0, 0.6);
  border: 1px solid var(--accent-cyan);
  text-align: center;
}

.window-drop-icon {
  font-size: 3rem;
  color: var(--accent-cyan);
  animation: bounceDrop 1s infinite alternate ease-in-out;
}

@keyframes bounceDrop {
  from { transform: translateY(0); }
  to { transform: translateY(-8px); }
}

.window-drop-title {
  font-size: 1.2rem;
  font-weight: 900;
  letter-spacing: 1.5px;
  color: var(--accent-cyan);
  text-shadow: 0 0 12px rgba(0, 240, 255, 0.4);
}

.window-drop-sub {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
}

/* Toast Notifications */
.neu-toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(30px);
  background: var(--surface-color);
  box-shadow: var(--neu-convex), 0 10px 30px rgba(0, 0, 0, 0.5);
  border: 1px solid var(--accent-cyan);
  color: var(--text-main);
  padding: 10px 22px;
  border-radius: 30px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  z-index: 10001;
  opacity: 0;
  pointer-events: none;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  white-space: nowrap;
}

.neu-toast.visible {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.neu-toast.error {
  border-color: #ff4d4f;
  color: #ff7875;
}

.neu-toast.success {
  border-color: var(--accent-emerald);
}