/* workshop.css - Workshop Sound-Reactive Music & Light Matrix */

:root {
  --bg-color: #060609;
  --surface-color: rgba(16, 17, 24, 0.85);
  --border-color: rgba(255, 255, 255, 0.12);
  --red-pillar: #ff0055;
  --red-pillar-glow: rgba(255, 0, 85, 0.65);
  --amber-pillar: #ff9e00;
  --amber-pillar-glow: rgba(255, 158, 0, 0.65);
  --blue-pillar: #00d2ff;
  --blue-pillar-glow: rgba(0, 210, 255, 0.65);
  --violet-pillar: #c77dff;
  --violet-pillar-glow: rgba(199, 125, 255, 0.65);
  --accent-gold: #ffbe0b;
  --accent-purple: #9d4edd;
  --text-main: #f0f3f6;
  --text-muted: #8b92a5;
  --font-mono: 'Courier Prime', monospace, 'Consolas', monospace;
  --font-display: 'Special Elite', monospace, sans-serif;
}

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

html, body {
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  background-color: var(--bg-color);
  color: var(--text-main);
  font-family: var(--font-mono);
  font-size: 13px;
}

/* Gritty Halftone Overlay */
.halftone-screen {
  position: fixed;
  inset: 0;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 4px 4px;
  pointer-events: none;
  z-index: 100;
  opacity: 0.6;
}

/* Master Layout */
#app-container {
  display: flex;
  flex-direction: column;
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
  position: relative;
}

/* -------------------------------------------------------------
   TOP HUD: MINIMETERS & AUDIO TELEMETRY
   ------------------------------------------------------------- */
.top-hud {
  height: 84px;
  background: rgba(10, 11, 16, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  padding: 0 16px;
  gap: 16px;
  z-index: 50;
}

.brand-section {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.brand-title {
  font-size: 0.95rem;
  font-weight: bold;
  letter-spacing: 1.5px;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-back-link {
  color: #ff3366;
  text-decoration: none;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 1px;
  background: rgba(255, 51, 102, 0.12);
  padding: 2px 7px;
  border: 1px solid rgba(255, 51, 102, 0.4);
  border-radius: 2px;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.nav-back-link:hover {
  background: #ff3366;
  color: #000;
}

.fps-telemetry-chip {
  background: rgba(10, 10, 20, 0.85);
  border: 1px solid #333348;
  padding: 4px 8px;
  font-size: 0.72rem;
  font-weight: 700;
  border-radius: 3px;
  color: #00ff88;
  letter-spacing: 1px;
  white-space: nowrap;
  font-family: var(--font-mono);
}

.brand-tag {
  background: #ff0055;
  color: #fff;
  font-size: 0.65rem;
  padding: 2px 6px;
  border-radius: 2px;
  letter-spacing: 1px;
}

.audio-controls-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.hud-btn {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 4px 8px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  cursor: pointer;
  border-radius: 2px;
  transition: all 0.15s ease;
}

.hud-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: #fff;
}

.hud-btn.active {
  background: #00e5ff;
  color: #000;
  border-color: #00e5ff;
  font-weight: bold;
}

.gain-control {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.7rem;
  color: var(--text-muted);
}

.gain-control input[type="range"] {
  width: 65px;
  accent-color: #00e5ff;
}

/* Minimeters Spectrum Visualizer Canvas */
.spectrum-container {
  display: flex;
  flex-direction: column;
  height: 68px;
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(0, 0, 0, 0.4);
  border-radius: 3px;
  overflow: hidden;
}

.spectrum-header-row {
  display: flex;
  justify-content: space-between;
  padding: 2px 8px;
  font-size: 0.62rem;
  color: var(--text-muted);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

#spectrum-canvas {
  width: 100%;
  height: 48px;
  display: block;
}

/* Audio Telemetry Badges & Sound Category */
.telemetry-section {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
}

.sound-detector-badge {
  display: flex;
  flex-direction: column;
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid var(--border-color);
  padding: 4px 10px;
  border-radius: 3px;
  min-width: 130px;
}

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

.detector-val {
  font-size: 0.85rem;
  font-weight: bold;
  color: var(--accent-gold);
  letter-spacing: 1px;
  transition: color 0.1s;
}

.detector-val.vocal { color: #ff0055; }
.detector-val.canjo { color: #ffbe0b; }
.detector-val.drum { color: #ff3333; }
.detector-val.snare { color: #00e5ff; }
.detector-val.clap { color: #9d4edd; }

.midi-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  padding: 5px 10px;
  border-radius: 12px;
  font-size: 0.72rem;
}

.midi-led {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #555;
  transition: all 0.1s;
}

.midi-led.connected {
  background: #00ff88;
  box-shadow: 0 0 8px #00ff88;
}

.midi-led.activity {
  background: #ff0055;
  box-shadow: 0 0 12px #ff0055;
}

/* -------------------------------------------------------------
   CENTER STAGE: LIGHT PILLARS & CYMATICS SHADER
   ------------------------------------------------------------- */
.stage-container {
  flex: 1 1 auto;
  min-height: 0;
  display: grid;
  grid-template-columns: 200px 1fr 200px;
  position: relative;
  overflow: hidden;
  background: #000;
}

/* Left & Right Pillar Columns (Divided into Upper and Lower Sections) */
.pillar-column {
  position: relative;
  height: 100%;
  display: flex;
  flex-direction: column;
  padding: 0;
  z-index: 10;
}

.pillar-column.left {
  border-right: 1px solid rgba(255, 255, 255, 0.12);
}

.pillar-column.right {
  border-left: 1px solid rgba(255, 255, 255, 0.12);
}

.pillar-section {
  flex: 1;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  padding: 14px 8px;
  cursor: pointer;
  overflow: hidden;
  transition: all 0.2s ease;
}

.pillar-section.upper {
  border-bottom: 1px dashed rgba(255, 255, 255, 0.16);
}

/* 4 Distinct Aesthetic Section Background Gradients */
.pillar-section.section-ul {
  background: linear-gradient(135deg, rgba(255, 0, 85, 0.08) 0%, transparent 100%);
}
.pillar-section.section-ll {
  background: linear-gradient(45deg, rgba(255, 158, 0, 0.08) 0%, transparent 100%);
}
.pillar-section.section-ur {
  background: linear-gradient(225deg, rgba(0, 210, 255, 0.08) 0%, transparent 100%);
}
.pillar-section.section-lr {
  background: linear-gradient(315deg, rgba(199, 125, 255, 0.08) 0%, transparent 100%);
}

.pillar-section.section-ul:hover { background: rgba(255, 0, 85, 0.14); }
.pillar-section.section-ll:hover { background: rgba(255, 158, 0, 0.14); }
.pillar-section.section-ur:hover { background: rgba(0, 210, 255, 0.14); }
.pillar-section.section-lr:hover { background: rgba(199, 125, 255, 0.14); }

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

.pillar-prompt {
  background: rgba(0, 0, 0, 0.65);
  border: 1px dashed rgba(255, 255, 255, 0.2);
  padding: 5px 8px;
  border-radius: 4px;
  font-size: 0.68rem;
  letter-spacing: 1px;
  text-align: center;
  transition: all 0.2s ease;
  pointer-events: auto;
  z-index: 2;
}

.pillar-prompt:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: #fff;
}

.pillar-section.section-ul .pillar-prompt {
  color: var(--red-pillar);
  border-color: rgba(255, 0, 85, 0.45);
}
.pillar-section.section-ll .pillar-prompt {
  color: var(--amber-pillar);
  border-color: rgba(255, 158, 0, 0.45);
}
.pillar-section.section-ur .pillar-prompt {
  color: var(--blue-pillar);
  border-color: rgba(0, 210, 255, 0.45);
}
.pillar-section.section-lr .pillar-prompt {
  color: var(--violet-pillar);
  border-color: rgba(199, 125, 255, 0.45);
}

.pillar-binding-tag {
  font-size: 0.62rem;
  color: var(--text-muted);
  background: rgba(0, 0, 0, 0.75);
  padding: 2px 6px;
  border-radius: 2px;
  letter-spacing: 1px;
  z-index: 2;
}

/* Center Shader Viewport */
.shader-viewport {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

#shader-canvas-container {
  width: 100%;
  height: 100%;
  display: block;
  position: relative;
}

#shader-canvas-container canvas {
  width: 100% !important;
  height: 100% !important;
  display: block;
}

/* -------------------------------------------------------------
   BOTTOM BAR: BPM METRONOME & DOCK
   ------------------------------------------------------------- */
.bottom-dock {
  height: 72px;
  flex-shrink: 0;
  background: rgba(10, 11, 16, 0.94);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  z-index: 50;
}

.metronome-section {
  display: flex;
  align-items: center;
  gap: 16px;
}

.metro-title-group {
  display: flex;
  flex-direction: column;
}

.metro-label {
  font-size: 0.65rem;
  color: var(--text-muted);
  letter-spacing: 1.5px;
}

.bpm-number-display {
  font-size: 1.4rem;
  font-weight: bold;
  color: var(--accent-gold);
  letter-spacing: 1px;
}

.bpm-controls-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nudge-btn {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-color);
  color: #fff;
  width: 28px;
  height: 28px;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border-radius: 2px;
}

.nudge-btn:hover {
  background: rgba(255, 255, 255, 0.2);
}

.bpm-slider {
  width: 160px;
  accent-color: var(--accent-gold);
  cursor: pointer;
}

.metro-btn {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 6px 12px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  cursor: pointer;
  border-radius: 2px;
  letter-spacing: 1px;
  transition: all 0.15s;
}

.metro-btn:hover {
  background: rgba(255, 255, 255, 0.18);
  border-color: #fff;
}

.metro-btn.active {
  background: var(--accent-gold);
  color: #000;
  font-weight: bold;
}

/* Beat Indicator LEDs */
.beat-indicators {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: 12px;
}

.beat-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all 0.05s ease;
}

.beat-dot.accent.flash {
  background: #fff;
  box-shadow: 0 0 16px #ffbe0b, 0 0 30px #fff;
  border-color: #ffbe0b;
}

.beat-dot.normal.flash {
  background: #00e5ff;
  box-shadow: 0 0 12px #00e5ff;
  border-color: #00e5ff;
}

/* Visual Pendulum Sweep Bar */
.pendulum-track {
  width: 180px;
  height: 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 3px;
  position: relative;
  overflow: hidden;
}

#pendulum-thumb {
  position: absolute;
  top: 0;
  left: 0;
  width: 24px;
  height: 100%;
  background: var(--accent-gold);
  box-shadow: 0 0 8px var(--accent-gold);
  border-radius: 3px;
  transform: translateX(0px);
}

/* Drawer Toggle Button */
.dock-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.drawer-toggle-btn {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-color);
  color: #00e5ff;
  padding: 8px 16px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 1px;
  cursor: pointer;
  border-radius: 2px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.drawer-toggle-btn:hover {
  background: rgba(0, 229, 255, 0.15);
  border-color: #00e5ff;
}

/* -------------------------------------------------------------
   SLIDERS & MIDI MATRIX DRAWER
   ------------------------------------------------------------- */
.sliders-drawer {
  position: fixed;
  right: -420px;
  top: 84px;
  bottom: 72px;
  width: 400px;
  background: rgba(14, 15, 22, 0.96);
  backdrop-filter: blur(16px);
  border-left: 1px solid var(--border-color);
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.8);
  z-index: 60;
  transition: right 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
}

.sliders-drawer.open {
  right: 0;
}

.drawer-header {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.drawer-title {
  font-size: 0.85rem;
  font-weight: bold;
  letter-spacing: 1.5px;
  color: #fff;
}

.close-drawer-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.2rem;
  cursor: pointer;
}

.close-drawer-btn:hover {
  color: #fff;
}

.drawer-body {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.drawer-intro-note {
  font-size: 0.7rem;
  color: var(--text-muted);
  line-height: 1.4;
  background: rgba(255, 255, 255, 0.03);
  padding: 8px 10px;
  border-left: 2px solid #00e5ff;
}

.drawer-section-title {
  font-size: 0.72rem;
  font-weight: bold;
  color: #00e5ff;
  letter-spacing: 1.5px;
  border-bottom: 1px solid rgba(0, 229, 255, 0.2);
  padding-bottom: 4px;
}

.pillars-rack {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.mapping-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 8px 10px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.mapping-title-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.mapping-color-indicator {
  width: 10px;
  height: 10px;
  border-radius: 2px;
}

.mapping-label {
  font-size: 0.74rem;
  font-weight: bold;
  letter-spacing: 0.8px;
}

.mapping-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

.btn-unlink {
  background: rgba(255, 0, 85, 0.12);
  border: 1px solid rgba(255, 0, 85, 0.4);
  color: #ff0055;
  padding: 3px 8px;
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.8px;
  cursor: pointer;
  border-radius: 2px;
  transition: all 0.15s;
}

.btn-unlink:hover {
  background: #ff0055;
  color: #fff;
}

.slider-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 10px 12px;
  border-radius: 4px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

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

.slider-name {
  font-size: 0.75rem;
  font-weight: bold;
  letter-spacing: 1px;
}

.midi-assign-badge {
  font-size: 0.62rem;
  padding: 2px 6px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-muted);
}

.midi-assign-badge.assigned {
  background: rgba(0, 229, 255, 0.2);
  color: #00e5ff;
  border: 1px solid rgba(0, 229, 255, 0.4);
}

.slider-input-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.slider-input-row input[type="range"] {
  flex: 1;
  accent-color: #00e5ff;
  cursor: pointer;
}

.slider-val-readout {
  width: 50px;
  text-align: right;
  font-size: 0.75rem;
  color: var(--accent-gold);
}

.drawer-footer {
  padding: 12px 16px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* -------------------------------------------------------------
   FLOATING NOTIFICATIONS & TOASTS
   ------------------------------------------------------------- */
.toast-container {
  position: fixed;
  bottom: 84px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 1000;
  pointer-events: none;
}

.toast {
  background: rgba(10, 12, 18, 0.95);
  border: 1px solid #00e5ff;
  box-shadow: 0 0 20px rgba(0, 229, 255, 0.4);
  padding: 8px 18px;
  border-radius: 20px;
  font-size: 0.78rem;
  letter-spacing: 1px;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 8px;
  animation: toastFade 2.5s forwards ease-in-out;
}

@keyframes toastFade {
  0% { opacity: 0; transform: translateY(10px) scale(0.95); }
  10% { opacity: 1; transform: translateY(0) scale(1); }
  80% { opacity: 1; transform: translateY(0) scale(1); }
  100% { opacity: 0; transform: translateY(-10px) scale(0.95); }
}

/* -------------------------------------------------------------
   MODAL DIALOG (AUDIO INITIALIZATION)
   ------------------------------------------------------------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
}

.modal-card {
  background: #0d0f17;
  border: 2px solid var(--border-color);
  box-shadow: 0 0 40px rgba(0, 0, 0, 0.9);
  padding: 32px;
  max-width: 520px;
  width: 90%;
  border-radius: 6px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  text-align: center;
}

.modal-title {
  font-size: 1.3rem;
  color: #fff;
  letter-spacing: 2px;
}

.modal-desc {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.modal-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  margin-top: 8px;
}

.primary-btn {
  background: #ff0055;
  color: #fff;
  border: none;
  padding: 12px 24px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: bold;
  letter-spacing: 1px;
  cursor: pointer;
  border-radius: 3px;
  box-shadow: 0 0 15px rgba(255, 0, 85, 0.5);
  transition: all 0.2s;
}

.primary-btn:hover {
  background: #ff3377;
  box-shadow: 0 0 25px rgba(255, 0, 85, 0.8);
}

.secondary-btn {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border: 1px solid var(--border-color);
  padding: 12px 24px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 1px;
  cursor: pointer;
  border-radius: 3px;
  transition: all 0.2s;
}

.secondary-btn:hover {
  background: rgba(255, 255, 255, 0.18);
  border-color: #fff;
}

/* -------------------------------------------------------------
   FULL-SCREEN SLIDE-IN MUSICAL SCORE WINDOW
   ------------------------------------------------------------- */
.score-overlay {
  position: fixed;
  inset: 0;
  background: rgba(6, 7, 12, 0.85);
  backdrop-filter: blur(10px);
  z-index: 80;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: translateY(100%);
  pointer-events: none;
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.score-overlay.open {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

/* Kept within outer margins so Left & Right corner pillars remain visible! */
.score-window {
  width: calc(100vw - 120px);
  height: calc(100vh - 30px);
  background: rgba(12, 14, 22, 0.97);
  backdrop-filter: blur(24px);
  border: 2px solid var(--border-color);
  box-shadow: 0 0 60px rgba(0, 0, 0, 0.95);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
  transition: background-color 0.4s ease-out, border-color 0.4s ease-out;
}

/* 4-Beat Visual Count-In Overlay */
.countin-overlay {
  position: absolute;
  inset: 0;
  background: rgba(4, 5, 8, 0.88);
  backdrop-filter: blur(8px);
  z-index: 95;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.countin-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.countin-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 30px 60px;
  background: rgba(18, 22, 34, 0.95);
  border: 2px solid var(--accent-gold);
  box-shadow: 0 0 50px rgba(226, 183, 20, 0.4);
  border-radius: 8px;
  text-align: center;
}

.countin-title {
  font-size: 0.8rem;
  letter-spacing: 2px;
  color: var(--accent-gold);
  font-weight: bold;
}

.countin-num {
  font-size: 6rem;
  font-weight: 900;
  font-family: var(--font-mono);
  color: #fff;
  line-height: 1;
  text-shadow: 0 0 30px #00e5ff;
  animation: countPulse 0.4s ease-out;
}

@keyframes countPulse {
  0% { transform: scale(1.4); opacity: 0.4; }
  100% { transform: scale(1); opacity: 1; }
}

.countin-label {
  font-size: 0.75rem;
  letter-spacing: 1.5px;
  color: var(--text-muted);
}

/* Score Header */
.score-header {
  padding: 10px 18px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  background: rgba(0, 0, 0, 0.5);
  flex-shrink: 0;
}

.score-title-group {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.score-badge {
  font-size: 0.58rem;
  font-weight: bold;
  color: var(--accent-gold);
  letter-spacing: 1.5px;
}

.score-main-title {
  font-size: 0.95rem;
  letter-spacing: 1.2px;
  color: #fff;
  margin: 0;
}

.score-sub-note {
  font-size: 0.62rem;
  color: var(--text-muted);
}

.score-section-tabs {
  display: flex;
  align-items: center;
  gap: 4px;
  background: rgba(255, 255, 255, 0.04);
  padding: 3px;
  border-radius: 4px;
  border: 1px solid var(--border-color);
}

.score-tab-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.8px;
  padding: 5px 10px;
  cursor: pointer;
  border-radius: 3px;
  transition: all 0.15s;
}

.score-tab-btn:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.score-tab-btn.active {
  background: var(--accent-gold);
  color: #000;
  font-weight: bold;
}

.score-tab-btn[data-mode="lift"] {
  border: 1px solid rgba(255, 60, 90, 0.45);
  color: #ff758f;
}

.score-tab-btn[data-mode="lift"]:hover {
  background: rgba(255, 60, 90, 0.18);
  color: #fff;
}

.score-tab-btn[data-mode="lift"].active {
  background: linear-gradient(135deg, #ff4d6d, #ff758f);
  color: #fff;
  border-color: #ff758f;
  box-shadow: 0 0 14px rgba(255, 77, 109, 0.6);
}

.score-tab-btn[data-mode="spiral"] {
  border: 1px solid rgba(255, 30, 60, 0.65);
  color: #ff3355;
}

.score-tab-btn[data-mode="spiral"]:hover {
  background: rgba(255, 30, 60, 0.25);
  color: #fff;
}

.score-tab-btn[data-mode="spiral"].active {
  background: linear-gradient(135deg, #d90429, #ef233c);
  color: #fff;
  border-color: #ff3355;
  box-shadow: 0 0 16px rgba(239, 35, 60, 0.7);
}

.score-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.close-score-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.6rem;
  cursor: pointer;
  line-height: 1;
}

.close-score-btn:hover {
  color: #ff0055;
}

/* Session 1-14 Selector Bar */
.score-session-bar {
  padding: 6px 18px;
  background: rgba(0, 0, 0, 0.35);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  gap: 14px;
  overflow-x: auto;
  flex-shrink: 0;
}

.session-bar-label {
  display: flex;
  flex-direction: column;
  white-space: nowrap;
}

.sess-title {
  font-size: 0.62rem;
  font-weight: bold;
  letter-spacing: 1px;
  color: var(--accent-gold);
}

.sess-desc {
  font-size: 0.55rem;
  color: var(--text-muted);
}

.session-pills-rack {
  display: flex;
  align-items: center;
  gap: 4px;
  overflow-x: auto;
  padding-bottom: 2px;
}

.session-pill-btn {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  padding: 3px 8px;
  border-radius: 3px;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.12s;
}

.session-pill-btn:hover {
  border-color: #00e5ff;
  color: #fff;
  background: rgba(0, 229, 255, 0.1);
}

.session-pill-btn.active {
  background: #00e5ff;
  color: #000;
  font-weight: bold;
  border-color: #00e5ff;
  box-shadow: 0 0 10px rgba(0, 229, 255, 0.4);
}

/* Synchronized ASL & Caption Card */
/* Synchronized Lyric & Caption Card - Centered High-Contrast Banner */
.score-asl-caption-card {
  margin: 8px 18px 6px 18px;
  padding: 12px 24px;
  min-height: 115px;
  background: rgba(10, 14, 24, 0.96);
  border: 2px solid rgba(226, 183, 20, 0.6);
  box-shadow: 0 4px 25px rgba(0, 0, 0, 0.8), inset 0 0 35px rgba(226, 183, 20, 0.08);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  flex-shrink: 0;
  box-sizing: border-box;
}

.asl-media-slot {
  width: 110px;
  height: 64px;
  background: #05070a;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
  flex-shrink: 0;
}

.asl-media-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.asl-placeholder-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  color: var(--accent-gold);
}

.asl-hand-icon {
  font-size: 1.4rem;
  line-height: 1;
}

.asl-slot-label {
  font-size: 0.52rem;
  letter-spacing: 1px;
  color: var(--text-muted);
}

.caption-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-width: 0;
  width: 100%;
}

.caption-header-row {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
}

.caption-dot {
  color: rgba(255, 255, 255, 0.35);
  font-size: 0.85rem;
}

.caption-phrase-badge {
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 1.5px;
  color: #ffd166;
  text-transform: uppercase;
}

.caption-tempo-badge {
  font-size: 0.8rem;
  font-family: var(--font-mono);
  color: #00e5ff;
  font-weight: 800;
  letter-spacing: 1px;
}

.caption-lyric-text {
  font-family: 'Special Elite', 'Courier Prime', monospace;
  font-size: clamp(1.8rem, 2.6vw, 2.7rem);
  font-weight: 900;
  color: #ffffff;
  letter-spacing: 1px;
  line-height: 1.2;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  text-shadow: 0 0 16px rgba(255, 255, 255, 0.85), 0 0 35px rgba(255, 255, 255, 0.45);
  width: 100%;
}

.phrase-progress-track {
  width: 65%;
  max-width: 720px;
  height: 6px;
  background: rgba(255, 255, 255, 0.12);
  border-radius: 3px;
  overflow: hidden;
  margin-top: 6px;
}

.phrase-progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #ffd166, #ff0055);
  box-shadow: 0 0 10px rgba(255, 209, 102, 0.8);
  transition: width 0.05s linear;
}

/* Telemetry Bar */
.score-telemetry-bar {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 6px 20px;
  background: rgba(0, 0, 0, 0.45);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  flex-shrink: 0;
}

.score-tele-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.68rem;
}

.score-tele-lbl {
  color: var(--text-muted);
  letter-spacing: 1px;
}

.score-tele-num {
  color: #00e5ff;
  font-weight: bold;
}

.score-tele-hint {
  margin-left: auto;
  font-size: 0.62rem;
  color: var(--accent-gold);
  letter-spacing: 1px;
}

/* Timeline Grid & Lanes Container */
.score-grid-wrapper {
  flex: 1;
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 8px 18px 14px 18px;
  overflow-x: auto;
  overflow-y: auto;
  background: #08090e;
  scrollbar-width: thin;
  scrollbar-color: var(--accent-gold) rgba(6, 8, 14, 0.95);
}

/* Custom Styled Scrollbar for Score Grid */
.score-grid-wrapper::-webkit-scrollbar {
  height: 10px;
  background: rgba(6, 8, 14, 0.95);
}

.score-grid-wrapper::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.03);
  border-radius: 5px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.score-grid-wrapper::-webkit-scrollbar-thumb {
  background: linear-gradient(90deg, var(--accent-gold), #00e5ff);
  border-radius: 5px;
  border: 2px solid rgba(12, 14, 22, 0.9);
  box-shadow: 0 0 12px rgba(0, 229, 255, 0.4);
}

.score-grid-wrapper::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(90deg, #ff0055, var(--accent-gold));
  box-shadow: 0 0 16px rgba(255, 0, 85, 0.6);
}

.score-grid-inner {
  position: relative;
  display: flex;
  flex-direction: column;
  min-width: max-content;
  height: 100%;
}

/* Zoom Group in Score Controls */
.score-zoom-group {
  display: flex;
  align-items: center;
  gap: 3px;
  background: rgba(255, 255, 255, 0.04);
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.zoom-lbl {
  font-size: 0.58rem;
  font-weight: bold;
  letter-spacing: 0.8px;
  color: var(--text-muted);
}

/* Measure Header Ruler */
.score-measure-ruler {
  height: 24px;
  display: flex;
  margin-left: 170px; /* Space for lane header badge */
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  position: relative;
  flex-shrink: 0;
  min-width: max-content;
}

.ruler-measure-block {
  width: var(--measure-width, 160px);
  min-width: var(--measure-width, 160px);
  flex-shrink: 0;
  display: flex;
  border-right: 2px solid rgba(255, 255, 255, 0.25);
  position: relative;
  box-sizing: border-box;
  transition: background 0.2s, border-color 0.2s;
}

/* --- Accelerando (Bars 47-48): 80 -> 90 BPM for ~5s - Faint Red Graph Shading --- */
.ruler-measure-block.tempo-lift {
  background: linear-gradient(180deg, rgba(255, 60, 80, 0.22) 0%, rgba(255, 45, 65, 0.08) 100%);
  border-right-color: rgba(255, 75, 95, 0.45);
}

.ruler-measure-block.tempo-lift .ruler-measure-label {
  color: #ff758f;
  text-shadow: 0 0 8px rgba(255, 60, 80, 0.6);
}

/* --- Final Spiral (Bars 49-50): 90 -> 100 BPM for last ~5s - Redder Crimson Graph Shading --- */
.ruler-measure-block.tempo-spiral {
  background: linear-gradient(180deg, rgba(255, 25, 55, 0.38) 0%, rgba(255, 20, 45, 0.18) 100%);
  border-right-color: rgba(255, 50, 75, 0.7);
}

.ruler-measure-block.tempo-spiral .ruler-measure-label {
  color: #ff3355;
  text-shadow: 0 0 10px rgba(255, 30, 60, 0.85);
}

.ruler-tempo-tag {
  position: absolute;
  top: 1px;
  right: 4px;
  font-size: 0.52rem;
  font-weight: 800;
  font-family: var(--font-mono);
  padding: 1px 4px;
  border-radius: 3px;
  letter-spacing: 0.5px;
}

.ruler-tempo-tag.lift {
  color: #ff758f;
  background: rgba(255, 60, 90, 0.22);
  border: 1px solid rgba(255, 60, 90, 0.4);
}

.ruler-tempo-tag.spiral {
  color: #ff3355;
  background: rgba(255, 30, 60, 0.35);
  border: 1px solid rgba(255, 30, 60, 0.65);
  text-shadow: 0 0 6px rgba(255, 50, 80, 0.8);
}

.ruler-measure-label {
  position: absolute;
  top: -2px;
  left: 4px;
  font-size: 0.6rem;
  font-weight: bold;
  color: var(--accent-gold);
  letter-spacing: 0.8px;
  white-space: nowrap;
}

.ruler-beat-ticks {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: flex-end;
}

.ruler-beat-tick {
  flex: 1;
  border-right: 1px dashed rgba(255, 255, 255, 0.08);
  font-size: 0.52rem;
  color: var(--text-muted);
  padding: 1px 3px;
  text-align: center;
}

/* 5 Score Lanes */
.score-lanes-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 4px;
  position: relative;
  margin-top: 4px;
  min-width: max-content;
}

.score-lane {
  display: flex;
  align-items: center;
  flex: 1;
  min-height: 44px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 4px;
  position: relative;
  overflow: visible;
  min-width: max-content;
}

.score-lane.lane-bass { border-color: rgba(255, 51, 102, 0.35); }
.score-lane.lane-snare { border-color: rgba(255, 136, 0, 0.35); }
.score-lane.lane-clap { border-color: rgba(255, 204, 0, 0.35); }
.score-lane.lane-hoot { border-color: rgba(0, 210, 255, 0.35); }
.score-lane.lane-lyrics {
  min-height: 110px;
  height: 110px;
  border-color: rgba(226, 183, 20, 0.6);
  background: rgba(226, 183, 20, 0.05);
}

.lane-header {
  width: 170px;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 10px;
  background: rgba(10, 12, 18, 0.95);
  border-right: 1px solid rgba(255, 255, 255, 0.15);
  z-index: 10;
  flex-shrink: 0;
  position: sticky;
  left: 0;
  box-shadow: 2px 0 10px rgba(0, 0, 0, 0.6);
}

.lane-num-badge {
  width: 24px;
  height: 24px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 0.85rem;
  color: #000;
  flex-shrink: 0;
}

.lane-info {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.lane-title {
  font-size: 0.68rem;
  font-weight: bold;
  letter-spacing: 0.8px;
  white-space: nowrap;
}

.lane-key-hint {
  font-size: 0.55rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.lane-track {
  flex: 1;
  height: 100%;
  display: flex;
  position: relative;
  min-width: max-content;
}

.lane-measure {
  width: var(--measure-width, 160px);
  min-width: var(--measure-width, 160px);
  flex-shrink: 0;
  height: 100%;
  display: flex;
  border-right: 2px solid rgba(255, 255, 255, 0.18);
  position: relative;
  overflow: hidden; /* Stops normal hit notes from overflowing */
  box-sizing: border-box;
  transition: background 0.2s, border-color 0.2s;
}

/* Allow multi-bar spans (sustained Hoot wash & multi-measure ASL phrases) to display without clipping */
.score-lane.lane-lyrics .lane-measure,
.score-lane.lane-hoot .lane-measure {
  overflow: visible;
}

/* --- Accelerando (Bars 47-48): 80 -> 90 BPM (~5s) - Faint Red Measure Background --- */
.lane-measure.tempo-lift {
  background: rgba(255, 45, 75, 0.09);
  border-right-color: rgba(255, 75, 95, 0.35);
}

.lane-measure.tempo-lift .lane-beat {
  border-right-color: rgba(255, 60, 80, 0.1);
}

/* --- Final Spiral (Bars 49-50): 90 -> 100 BPM (last ~5s) - Redder Crimson Measure Background --- */
.lane-measure.tempo-spiral {
  background: rgba(255, 25, 55, 0.22);
  border-right-color: rgba(255, 50, 75, 0.55);
}

.lane-measure.tempo-spiral .lane-beat {
  border-right-color: rgba(255, 30, 60, 0.18);
}

.lane-beat {
  flex: 1;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2px;
  padding: 0 2px;
  border-right: 1px dashed rgba(255, 255, 255, 0.05);
  position: relative;
  overflow: hidden;
  box-sizing: border-box;
}

/* Hit Markers */
.hit-box {
  width: 76%;
  height: 74%;
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 0.72rem;
  letter-spacing: 0.3px;
  color: #000;
  box-shadow: 0 0 6px rgba(0, 0, 0, 0.5);
  transition: transform 0.08s, box-shadow 0.08s, background 0.08s;
  cursor: pointer;
  z-index: 2;
  box-sizing: border-box;
}

.hit-box.hit-bass { background: #ff3366; box-shadow: 0 0 8px rgba(255, 51, 102, 0.5); }
.hit-box.hit-snare { background: #ff8800; box-shadow: 0 0 8px rgba(255, 136, 0, 0.5); }
.hit-box.hit-clap { background: #ffcc00; box-shadow: 0 0 8px rgba(255, 204, 0, 0.5); }
.hit-box.hit-hoot { background: #00d2ff; box-shadow: 0 0 8px rgba(0, 210, 255, 0.5); }

.hit-box.active {
  transform: scale(1.22);
  background: #ffffff !important;
  color: #000 !important;
  box-shadow: 0 0 25px #ffffff, 0 0 40px currentColor !important;
}

/* Subdivision Layout: When a beat has both Downbeat & Upbeat */
.lane-beat.has-sub-beat {
  justify-content: space-between;
  padding: 0 2px;
}

.lane-beat.has-sub-beat .hit-box {
  width: calc(50% - 2px);
  flex: 0 0 calc(50% - 2px);
  height: 72%;
  font-size: 0.65rem;
}

.lane-beat.has-sub-beat .hit-box.sub-beat {
  height: 60%;
  font-size: 0.58rem;
  background: rgba(255, 136, 0, 0.65);
  border: 1px dashed rgba(255, 255, 255, 0.5);
  color: #fff;
  box-shadow: 0 0 4px rgba(255, 136, 0, 0.4);
}

/* Sustained Tone Blocks (Hoot / Vocals) */
.sustain-block {
  position: absolute;
  top: 14%;
  bottom: 14%;
  border-radius: 4px;
  background: rgba(0, 210, 255, 0.3);
  border: 1px solid #00d2ff;
  box-shadow: 0 0 12px rgba(0, 210, 255, 0.35);
  display: flex;
  align-items: center;
  padding: 0 8px;
  z-index: 3;
  pointer-events: none;
  overflow: hidden;
}

.sustain-block.vocal-sustain {
  background: rgba(226, 183, 20, 0.3);
  border-color: var(--accent-gold);
  box-shadow: 0 0 12px rgba(226, 183, 20, 0.35);
}

.sustain-block-label {
  font-size: 0.62rem;
  font-weight: bold;
  letter-spacing: 0.8px;
  color: #fff;
  white-space: nowrap;
  text-shadow: 0 0 6px #000;
}

.sustain-block.active {
  background: rgba(255, 255, 255, 0.45);
  box-shadow: 0 0 20px #00e5ff, 0 0 35px #ffffff;
}

/* 1-Bar ASL Column Blocks in Score Lane - Maximum Room-Readable High-Contrast Display */
.lyric-phrase-block {
  position: absolute;
  top: 3px;
  bottom: 3px;
  left: 2px;
  right: 2px;
  border-radius: 6px;
  background: rgba(14, 18, 28, 0.96);
  border: 2px solid rgba(255, 209, 102, 0.55);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  padding: 6px 4px;
  z-index: 2;
  cursor: pointer;
  transition: all 0.12s ease;
  overflow: hidden;
  box-sizing: border-box;
}

.lyric-phrase-block:hover {
  background: rgba(24, 30, 48, 0.98);
  border-color: #ffd166;
  box-shadow: 0 0 14px rgba(255, 209, 102, 0.4);
}

/* Active Highlight: Inverted Solid Radiant Gold Tile with Ink-Black Bold Letters */
.lyric-phrase-block.active {
  background: linear-gradient(135deg, #fff275 0%, #ffd000 100%);
  border: 3px solid #ffffff;
  box-shadow: 0 0 25px rgba(255, 208, 0, 0.95), 0 0 50px rgba(255, 208, 0, 0.6);
  transform: scale(1.02);
}

.lyric-phrase-block.warmup-block {
  background: rgba(255, 255, 255, 0.04);
  border: 2px dashed rgba(255, 209, 102, 0.35);
  color: var(--text-muted);
  justify-content: center;
  align-items: center;
}

.asl-col-header {
  line-height: 1;
  width: 100%;
  display: flex;
  justify-content: center;
}

.asl-col-header .asl-bar-tag {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 1px;
  color: #ffd166;
  background: rgba(255, 209, 102, 0.18);
  border: 1px solid rgba(255, 209, 102, 0.35);
  padding: 1px 7px;
  border-radius: 3px;
  text-transform: uppercase;
}

.lyric-phrase-block.active .asl-col-header .asl-bar-tag {
  background: #000000;
  color: #ffd000;
  border-color: #000000;
}

.asl-col-stack {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  width: 100%;
  flex: 1;
}

.asl-col-word {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 1.22rem;
  font-weight: 950;
  color: #ffe066;
  letter-spacing: 0.8px;
  line-height: 1.12;
  text-align: center;
  text-transform: uppercase;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.95);
}

/* Ensure bright yellow ASL words by default across all block types */
.lyric-phrase-block .asl-col-word,
.lyric-phrase-block.tempo-lift-block .asl-col-word,
.lyric-phrase-block.tempo-spiral-block .asl-col-word {
  color: #ffe066;
  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.95);
}

/* Active Highlight: Inverted Solid Radiant Gold Tile with Ink-Black Bold Letters */
.lyric-phrase-block.active,
.lyric-phrase-block.tempo-lift-block.active,
.lyric-phrase-block.tempo-spiral-block.active {
  background: linear-gradient(135deg, #fff275 0%, #ffd000 100%) !important;
  border: 3px solid #ffffff !important;
  box-shadow: 0 0 25px rgba(255, 208, 0, 0.95), 0 0 50px rgba(255, 208, 0, 0.6) !important;
  transform: scale(1.02);
}

.lyric-phrase-block.active .asl-col-word,
.lyric-phrase-block.tempo-lift-block.active .asl-col-word,
.lyric-phrase-block.tempo-spiral-block.active .asl-col-word {
  color: #000000 !important;
  text-shadow: none !important;
}

.lyric-phrase-block.active .asl-col-header .asl-bar-tag,
.lyric-phrase-block.tempo-lift-block.active .asl-col-header .asl-bar-tag,
.lyric-phrase-block.tempo-spiral-block.active .asl-col-header .asl-bar-tag {
  background: #000000 !important;
  color: #ffd000 !important;
  border-color: #000000 !important;
}

/* Multi-bar Spanning ASL Blocks (Bars 41-42, 43-45, 46-47, 48-50) */
.lyric-phrase-block.asl-span-block {
  z-index: 4;
}

.lyric-phrase-block.asl-span-block .asl-col-stack {
  flex-direction: row;
  justify-content: center;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.lyric-phrase-block.asl-span-block .asl-col-word {
  font-size: 1.35rem;
  letter-spacing: 1.2px;
}

/* Distinct Accent Styling for Lift & Spiral blocks in the score lane */
.lyric-phrase-block.tempo-lift-block {
  border-color: rgba(255, 75, 95, 0.7);
  background: rgba(28, 14, 22, 0.96);
  box-shadow: 0 0 12px rgba(255, 60, 90, 0.25);
}

.lyric-phrase-block.tempo-lift-block:hover {
  background: rgba(42, 18, 28, 0.98);
  border-color: #ff758f;
  box-shadow: 0 0 16px rgba(255, 75, 95, 0.45);
}

.lyric-phrase-block.tempo-lift-block .asl-col-header .asl-bar-tag {
  color: #ff758f;
  background: rgba(255, 60, 90, 0.22);
  border-color: rgba(255, 60, 90, 0.45);
}

.lyric-phrase-block.tempo-spiral-block {
  border-color: rgba(255, 40, 70, 0.85);
  background: rgba(36, 12, 18, 0.96);
  box-shadow: 0 0 16px rgba(255, 30, 60, 0.35);
}

.lyric-phrase-block.tempo-spiral-block:hover {
  background: rgba(54, 14, 24, 0.98);
  border-color: #ff3355;
  box-shadow: 0 0 20px rgba(255, 40, 70, 0.6);
}

.lyric-phrase-block.tempo-spiral-block .asl-col-header .asl-bar-tag {
  color: #ff3355;
  background: rgba(255, 30, 60, 0.32);
  border-color: rgba(255, 30, 60, 0.65);
}

.warmup-label {
  font-family: 'Special Elite', 'Courier Prime', monospace;
  font-size: 1.05rem;
  font-weight: bold;
  color: #ffffff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

/* Synchronized Sweeping Playhead */
.score-playhead {
  position: absolute;
  top: 8px;
  bottom: 14px;
  left: 170px; /* Aligned with ruler start */
  width: 3px;
  background: #ffffff;
  box-shadow: 0 0 16px #00e5ff, 0 0 25px #ffffff;
  pointer-events: none;
  z-index: 20;
}

.playhead-glow {
  position: absolute;
  top: 0;
  bottom: 0;
  left: -8px;
  right: -8px;
  background: linear-gradient(90deg, transparent, rgba(0, 229, 255, 0.35), transparent);
}

.playhead-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: #00e5ff;
  color: #000;
  font-weight: bold;
  font-size: 0.58rem;
  padding: 1px 4px;
  border-radius: 2px;
  letter-spacing: 0.5px;
}

/* =========================================================================
   15. RESPONSIVE LAYOUT (TABLETS, MOBILE & NARROW SCREENS)
   ========================================================================= */

@media (max-width: 960px) {
  .top-hud {
    grid-template-columns: auto 1fr auto;
    padding: 0 10px;
    gap: 10px;
  }
}

@media (max-width: 768px) {
  .top-hud {
    height: auto;
    min-height: 56px;
    grid-template-columns: 1fr;
    padding: 6px 10px;
    gap: 6px;
    overflow-x: auto;
  }

  /* Shrink pillar columns so the center shader stage gets maximum space */
  .stage-container {
    grid-template-columns: 74px 1fr 74px;
  }

  .pillar-section {
    padding: 8px 4px;
  }

  .pillar-prompt {
    font-size: 0.58rem;
    padding: 3px 2px;
    letter-spacing: 0.2px;
    line-height: 1.1;
    white-space: normal;
    word-break: break-word;
  }

  .pillar-binding-tag {
    font-size: 0.48rem;
    padding: 1px 2px;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .bottom-dock {
    height: 64px;
    padding: 0 10px;
    overflow-x: auto;
  }

  .score-overlay-content {
    width: 98vw;
    height: 94vh;
    padding: 10px 8px 14px 8px;
  }
}

@media (max-width: 480px) {
  /* On ultra-compact phones, compact the pillars to 56px so the center stage has maximum room */
  .stage-container {
    grid-template-columns: 56px 1fr 56px;
  }

  .pillar-prompt {
    font-size: 0.5rem;
    padding: 2px 2px;
    letter-spacing: 0;
  }

  .pillar-binding-tag {
    display: none;
  }

  .bottom-dock {
    height: 58px;
    padding: 0 6px;
    gap: 8px;
  }

  .metro-title-group {
    display: none;
  }

  .pendulum-track {
    width: 90px;
  }
}




/* =========================================================================
   15. 14-SESSION STAIRCASE SPIRALING OVERLAY
   ========================================================================= */

.score-tab-btn.overlay-tab-btn {
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.15), rgba(255, 215, 0, 0.2));
  border-color: #00e5ff;
  color: #00e5ff;
  font-weight: 700;
  text-shadow: 0 0 8px rgba(0, 229, 255, 0.4);
}

.score-tab-btn.overlay-tab-btn:hover,
.score-tab-btn.overlay-tab-btn.active {
  background: linear-gradient(135deg, #00e5ff, #ffd700);
  color: #000;
  border-color: #ffd700;
  box-shadow: 0 0 16px rgba(0, 229, 255, 0.6);
  text-shadow: none;
}

.staircase-order-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  gap: 12px;
}

.staircase-summary-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  font-weight: 700;
  color: #00e5ff;
  letter-spacing: 0.8px;
  background: rgba(0, 229, 255, 0.08);
  border: 1px solid rgba(0, 229, 255, 0.25);
  border-radius: 4px;
  padding: 4px 10px;
}

/* Disable top caption card in spiral overlay mode */
.score-asl-caption-card.overlay-hidden {
  display: none !important;
}

/* Spiral Overlay Canvas Viewport Fit (No scrollbars) */
.score-grid-wrapper.overlay-canvas-mode {
  overflow: hidden !important;
  padding: 4px 10px 8px 10px !important;
  min-height: 0 !important;
  height: 100% !important;
}

/* Staircase Tracks Canvas Container */
.score-staircase-container {
  width: 100%;
  height: 100%;
  min-height: 0;
  flex: 1;
  position: relative;
  display: flex;
  overflow: hidden;
  margin: 0;
  padding: 0;
}

.staircase-canvas {
  width: 100%;
  height: 100%;
  display: block;
  cursor: crosshair;
  background: #080910;
  border-radius: 4px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.staircase-tooltip {
  position: absolute;
  pointer-events: none;
  background: rgba(10, 14, 24, 0.97);
  border: 1px solid var(--accent-gold);
  border-radius: 4px;
  padding: 8px 12px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: #fff;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.95);
  z-index: 100;
  white-space: nowrap;
  transform: translate(-50%, -125%);
  line-height: 1.35;
}

.staircase-track {
  display: flex;
  align-items: center;
  height: 38px;
  position: relative;
  background: rgba(255, 255, 255, 0.015);
  border-radius: 3px;
}

.staircase-track-header {
  width: 170px;
  min-width: 170px;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 10px;
  background: rgba(14, 18, 28, 0.98);
  border-right: 2px solid var(--border-color);
  position: sticky;
  left: 0;
  z-index: 5;
  box-shadow: 4px 0 10px rgba(0, 0, 0, 0.5);
  font-family: 'JetBrains Mono', monospace;
  box-sizing: border-box;
}

.staircase-track-badge {
  width: 22px;
  height: 22px;
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  font-weight: 800;
  color: #000;
  flex-shrink: 0;
}

.staircase-track-info {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  line-height: 1.1;
}

.staircase-track-title {
  font-size: 0.68rem;
  font-weight: 700;
  color: #fff;
  white-space: nowrap;
}

.staircase-track-sub {
  font-size: 0.52rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.staircase-track-body {
  display: flex;
  height: 100%;
}

.staircase-bar-cell {
  width: var(--measure-width, 160px);
  min-width: var(--measure-width, 160px);
  height: 100%;
  box-sizing: border-box;
  border-right: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  padding: 2px 5px;
  cursor: pointer;
  transition: transform 0.1s, box-shadow 0.1s;
}

/* Empty staircase step offset */
.staircase-bar-cell.offset-step {
  background: repeating-linear-gradient(45deg, rgba(255, 255, 255, 0.015), rgba(255, 255, 255, 0.015) 6px, transparent 6px, transparent 12px);
  border-bottom: 1px dashed rgba(255, 255, 255, 0.06);
  opacity: 0.45;
  cursor: default;
}

.staircase-bar-cell.offset-step .staircase-bar-num {
  color: rgba(255, 255, 255, 0.25);
  font-size: 0.55rem;
}

/* Active Rolling Loop Bar */
.staircase-bar-cell.active-loop-bar {
  background: rgba(22, 28, 44, 0.7);
  border: 1px solid rgba(255, 215, 0, 0.18);
  border-radius: 3px;
}

.staircase-bar-cell.active-loop-bar:hover {
  background: rgba(35, 45, 70, 0.85);
  border-color: rgba(255, 215, 0, 0.45);
}

/* The Lift Bar */
.staircase-bar-cell.active-lift-bar {
  background: rgba(255, 140, 0, 0.18);
  border: 1px solid rgba(255, 170, 0, 0.45);
  border-radius: 3px;
}

.staircase-bar-cell.active-lift-bar:hover {
  background: rgba(255, 140, 0, 0.32);
}

/* Spiral Out Bar */
.staircase-bar-cell.active-spiral-bar {
  background: rgba(255, 0, 100, 0.22);
  border: 1px solid rgba(255, 50, 150, 0.55);
  border-radius: 3px;
}

.staircase-bar-cell.active-spiral-bar:hover {
  background: rgba(255, 0, 100, 0.38);
}

/* Final Cutoff / Silence Bar */
.staircase-bar-cell.cutoff-bar {
  background: rgba(0, 0, 0, 0.75);
  border: 1px dashed rgba(255, 50, 50, 0.45);
  border-radius: 3px;
}

/* Cell being actively played */
.staircase-bar-cell.current-playing {
  box-shadow: 0 0 10px rgba(255, 215, 0, 0.7), inset 0 0 8px rgba(255, 215, 0, 0.3);
  border-color: #ffd700 !important;
  z-index: 4;
}

.staircase-bar-left {
  display: flex;
  align-items: center;
  gap: 4px;
}

.staircase-bar-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.62rem;
  font-weight: 700;
  color: var(--accent-gold);
}

.staircase-bar-sign-preview {
  font-size: 0.52rem;
  color: #fff;
  white-space: nowrap;
  max-width: 80px;
  overflow: hidden;
  text-overflow: ellipsis;
  opacity: 0.85;
}

.staircase-bar-right {
  display: flex;
  align-items: center;
  gap: 3px;
}

.staircase-hoot-badge {
  background: #00d2ff;
  color: #000;
  font-weight: 800;
  font-size: 0.56rem;
  padding: 1px 4px;
  border-radius: 2px;
  letter-spacing: 0.5px;
  box-shadow: 0 0 6px rgba(0, 210, 255, 0.6);
  white-space: nowrap;
}

.staircase-lift-badge {
  background: #ffaa00;
  color: #000;
  font-weight: 800;
  font-size: 0.56rem;
  padding: 1px 4px;
  border-radius: 2px;
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.staircase-spiral-badge {
  background: #ff0077;
  color: #fff;
  font-weight: 800;
  font-size: 0.56rem;
  padding: 1px 4px;
  border-radius: 2px;
  letter-spacing: 0.5px;
  box-shadow: 0 0 6px rgba(255, 0, 119, 0.6);
  white-space: nowrap;
}

.staircase-cutoff-badge {
  background: rgba(255, 50, 50, 0.25);
  color: #ff5555;
  border: 1px solid rgba(255, 50, 50, 0.6);
  font-weight: 700;
  font-size: 0.54rem;
  padding: 1px 3px;
  border-radius: 2px;
  white-space: nowrap;
}

.staircase-dots-row {
  display: flex;
  align-items: center;
  gap: 2px;
}

.staircase-dot {
  width: 4px;
  height: 4px;
  border-radius: 5px;
}

.staircase-dot.dot-bass {
  background: #ff3366;
}

.staircase-dot.dot-snare {
  background: #ff8800;
}

.staircase-dot.dot-clap {
  background: #ffcc00;
}