/* ==========================================================================
   Vocal Coach & Pitch Lane Studio CSS - Commercial Grade UI
   ========================================================================== */

.vocal-coach-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(4, 5, 8, 0.85);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  animation: fadeInModal var(--duration-normal) var(--ease-spring);
}

@keyframes fadeInModal {
  from { opacity: 0; transform: scale(0.97); }
  to { opacity: 1; transform: scale(1); }
}

.vocal-coach-container-card {
  width: 100%;
  max-width: 720px;
  background: var(--bg-surface);
  border: 1px solid var(--border-strong);
  border-radius: 20px;
  box-shadow: var(--shadow-sheet);
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 20px;
  max-height: 94vh;
  overflow-y: auto;
  position: relative;
}

/* Header */
.vocal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 12px;
}

.vocal-title-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.vocal-badge-live {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--accent-primary);
  text-transform: uppercase;
}

.vocal-pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #888888;
}

.vocal-pulse-dot.active {
  background-color: #00e676;
  box-shadow: 0 0 10px #00e676;
  animation: pulseLive 1.4s infinite alternate;
}

@keyframes pulseLive {
  from { transform: scale(0.85); opacity: 0.7; }
  to { transform: scale(1.2); opacity: 1; }
}

.vocal-modal-title {
  font-size: 1.35rem;
  font-weight: 800;
  font-family: var(--font-serif);
  color: var(--text-primary);
  margin: 0;
}

/* Control Bar */
.vocal-control-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.btn-vocal-mic-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 24px;
  border: 1px solid var(--border-strong);
  background: var(--bg-surface-raised);
  color: var(--text-primary);
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-spring);
}

.btn-vocal-mic-toggle:hover {
  background: var(--bg-surface-hover);
  border-color: var(--accent-secondary);
}

.btn-vocal-mic-toggle.recording {
  background: linear-gradient(135deg, #d32f2f, #b71c1c);
  color: white;
  border-color: transparent;
  box-shadow: 0 4px 16px rgba(211, 47, 47, 0.4);
}

.vocal-mode-pills {
  display: flex;
  gap: 4px;
  background: var(--bg-surface-raised);
  padding: 4px;
  border-radius: 20px;
  border: 1px solid var(--border-subtle);
}

.vocal-pill-btn {
  padding: 6px 12px;
  border-radius: 16px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}

.vocal-pill-btn.active {
  background: var(--accent-primary);
  color: white;
  box-shadow: var(--shadow-xs);
}

.btn-vocal-pitchpipe {
  padding: 8px 14px;
  border-radius: 18px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface-raised);
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-vocal-pitchpipe:hover {
  color: var(--text-primary);
  border-color: var(--accent-secondary);
}

/* PITCH LANE VIEWPORT */
.pitch-lane-viewport {
  position: relative;
  width: 100%;
  height: 170px;
  min-height: 150px;
  background: #080a0e;
  border-radius: 14px;
  border: 1px solid var(--border-strong);
  overflow: hidden;
  box-shadow: inset 0 2px 8px rgba(0,0,0,0.5);
  flex-shrink: 0;
}

.pitch-lane-canvas {
  width: 100%;
  height: 100%;
  min-height: 150px;
  display: block;
}

.pitch-lane-guides {
  position: absolute;
  top: 0;
  left: 8px;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 6px 0;
  pointer-events: none;
}

.lane-label {
  font-size: 0.65rem;
  font-family: var(--font-mono);
  font-weight: 700;
  color: rgba(255, 255, 255, 0.4);
}

.lane-label.mid {
  color: rgba(0, 229, 255, 0.8);
}

.pitch-lane-cursor-line {
  position: absolute;
  top: 0;
  left: 85%;
  width: 1px;
  height: 100%;
  background: rgba(255, 87, 34, 0.4);
  pointer-events: none;
}

/* HUD Grid */
.vocal-hud-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr 1.4fr;
  gap: 12px;
}

@media (max-width: 600px) {
  .vocal-hud-grid {
    grid-template-columns: 1fr;
  }
}

.vocal-hud-card {
  background: var(--bg-surface-raised);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
}

.hud-label {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

/* Note Card */
.note-card {
  align-items: center;
  text-align: center;
  transition: border-color var(--duration-fast) ease, box-shadow var(--duration-fast) ease;
}

.note-card.in-tune {
  border-color: #00e676;
  box-shadow: 0 0 16px rgba(0, 230, 118, 0.2);
}

.note-card.flat {
  border-color: #ffb300;
  box-shadow: 0 0 16px rgba(255, 179, 0, 0.2);
}

.note-card.sharp {
  border-color: #f50057;
  box-shadow: 0 0 16px rgba(245, 0, 87, 0.2);
}

.hud-note-display {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 2px;
}

.hud-main-note {
  font-size: 2.2rem;
  font-weight: 900;
  font-family: var(--font-mono);
  color: var(--text-primary);
  line-height: 1;
}

.hud-octave {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent-primary);
}

.hud-freq-sub {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
}

/* Cents Needle Card */
.cents-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.cents-offset-badge {
  font-size: 0.72rem;
  font-weight: 800;
  font-family: var(--font-mono);
  padding: 2px 8px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-secondary);
}

.cents-offset-badge.in-tune {
  background: rgba(0, 230, 118, 0.2);
  color: #00e676;
}

.cents-offset-badge.flat {
  background: rgba(255, 179, 0, 0.2);
  color: #ffb300;
}

.cents-offset-badge.sharp {
  background: rgba(245, 0, 87, 0.2);
  color: #ff4081;
}

.cents-meter-track {
  position: relative;
  width: 100%;
  height: 14px;
  background: rgba(0, 0, 0, 0.3);
  border-radius: 7px;
  border: 1px solid var(--border-subtle);
  overflow: hidden;
  margin: 6px 0 2px 0;
}

.cents-in-tune-zone {
  position: absolute;
  left: 35%;
  width: 30%;
  height: 100%;
  background: rgba(0, 230, 118, 0.25);
}

.cents-needle {
  position: absolute;
  top: 0;
  width: 4px;
  height: 100%;
  background: var(--text-primary);
  border-radius: 2px;
  box-shadow: 0 0 8px var(--text-primary);
  transform: translateX(-50%);
  transition: left 0.08s ease-out;
}

.cents-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.65rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
}

/* Metrics Card */
.metric-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
}

.metric-name {
  color: var(--text-secondary);
  width: 115px;
  font-weight: 600;
  flex-shrink: 0;
}

.metric-bar-wrap {
  flex: 1;
  height: 8px;
  background: rgba(0, 0, 0, 0.3);
  border-radius: 4px;
  overflow: hidden;
}

.metric-bar-fill {
  height: 100%;
  border-radius: 4px;
  transition: width 0.2s ease;
}

.metric-bar-fill.breath {
  background: linear-gradient(90deg, #00e5ff, #00b0ff);
}

.metric-bar-fill.stability {
  background: linear-gradient(90deg, #76ff03, #00e676);
}

.metric-val {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-primary);
  width: 36px;
  text-align: right;
}

.tessitura-badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent-primary);
}

/* ADVICE BOX */
.vocal-coach-advice-box {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(255, 87, 34, 0.08);
  border: 1px solid rgba(255, 87, 34, 0.25);
  border-radius: 14px;
  padding: 12px 16px;
}

.advice-avatar {
  font-size: 1.6rem;
  flex-shrink: 0;
}

.advice-body {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.advice-title {
  font-size: 0.68rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent-primary);
}

.advice-text {
  font-size: 0.86rem;
  font-weight: 500;
  color: var(--text-primary);
  margin: 0;
  transition: opacity 0.2s ease;
}

.advice-text.highlight {
  animation: pulseTip 0.4s ease;
}

@keyframes pulseTip {
  0% { transform: scale(0.98); opacity: 0.6; }
  100% { transform: scale(1); opacity: 1; }
}

/* Target Notes Selector Bar */
.vocal-target-selector-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  border-top: 1px solid var(--border-subtle);
  padding-top: 10px;
}

.target-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
}

.target-notes-row {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.btn-target-note-chip {
  padding: 4px 10px;
  border-radius: 12px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface-raised);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-target-note-chip.active {
  background: var(--accent-primary);
  color: white;
  border-color: var(--accent-primary);
  box-shadow: 0 2px 8px var(--accent-primary-glow);
}

/* ==========================================================================
   INLINE VOCAL COACH BANNER FOR LYRICS VIEW (Sing-Along Pitch Lane)
   ========================================================================== */
.lyrics-vocal-coach-drawer {
  background: var(--bg-surface-solid);
  border: 1px solid var(--border-strong);
  border-radius: 14px;
  padding: 12px 16px;
  margin-bottom: 16px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

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

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

.drawer-title {
  font-size: 0.9rem;
  font-weight: 800;
  color: var(--text-primary);
}

.drawer-hud-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.drawer-pitch-badge {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 900;
  color: var(--text-primary);
  padding: 4px 10px;
  background: var(--bg-surface-raised);
  border-radius: 10px;
  border: 1px solid var(--border-subtle);
}

.drawer-cents-bar {
  flex: 1;
  min-width: 140px;
  height: 8px;
  background: rgba(0,0,0,0.25);
  border-radius: 4px;
  position: relative;
  overflow: hidden;
}

.drawer-advice-snippet {
  font-size: 0.78rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* ==========================================================================
   Vocal Scorecard Modal — Yousician & Simply Sing Style
   ========================================================================== */

.vocal-scorecard-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  z-index: 3500;
  background: rgba(5, 3, 12, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: vrfFadeIn 0.28s ease;
}

.scorecard-card {
  background: linear-gradient(180deg, #1e1435 0%, #120c22 100%);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 28px;
  padding: 32px 28px;
  width: 100%;
  max-width: 480px;
  text-align: center;
  position: relative;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.7);
  animation: vrfPopIn 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-scorecard-close {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-scorecard-close:hover {
  background: #ff5252;
  color: #fff;
  border-color: #ff5252;
}

.scorecard-badge {
  font-size: 0.65rem;
  font-weight: 900;
  letter-spacing: 0.14em;
  color: #a78bfa;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.scorecard-medal-emoji {
  font-size: 3.5rem;
  line-height: 1;
  margin-bottom: 10px;
  filter: drop-shadow(0 6px 16px rgba(251, 191, 36, 0.4));
}

.scorecard-medal-title {
  font-size: 1.45rem;
  font-weight: 900;
  margin: 0 0 6px 0;
  letter-spacing: -0.01em;
}

.scorecard-song-name {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
  font-weight: 600;
  margin: 0 0 12px 0;
}

.scorecard-desc {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.5;
  margin: 0 0 24px 0;
}

.scorecard-stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 26px;
}

.scorecard-stat-box {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 18px;
  padding: 14px 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
}

.scorecard-stat-box .stat-label {
  font-size: 0.68rem;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.45);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.scorecard-stat-box .stat-number {
  font-size: 1.55rem;
  font-weight: 900;
  color: #ffffff;
  font-variant-numeric: tabular-nums;
}

.scorecard-stat-box .stat-number.stat-good {
  color: #34d399;
}

.scorecard-stat-box .stat-number.stat-range {
  font-size: 1.25rem;
  color: #00e5ff;
}

.scorecard-stat-box .stat-sub {
  font-size: 0.68rem;
  color: rgba(255, 255, 255, 0.4);
}

.scorecard-actions {
  display: flex;
  gap: 12px;
}

.btn-scorecard-retry,
.btn-scorecard-done {
  flex: 1;
  padding: 14px;
  border-radius: 14px;
  font-size: 0.9rem;
  font-weight: 900;
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
}

.btn-scorecard-retry {
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.btn-scorecard-retry:hover {
  background: rgba(255, 255, 255, 0.14);
}

.btn-scorecard-done {
  background: linear-gradient(135deg, #7c3aed, #6366f1);
  color: #ffffff;
  box-shadow: 0 4px 16px rgba(124, 58, 237, 0.4);
}

.btn-scorecard-done:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(124, 58, 237, 0.6);
}