/* ==========================================================================
   Play-Along Mode Styles — Inline Panel (replaces spectrum)
   ========================================================================== */

/* --- Piano Key Highlights --- */

.expected {
  fill: #4A90D9 !important;
  filter: drop-shadow(0 0 6px rgba(74, 144, 217, 0.7));
  animation: pulse-expected 1.2s ease-in-out infinite;
}

.correct-flash {
  fill: #76B595 !important;
  filter: drop-shadow(0 0 8px rgba(118, 181, 149, 0.8));
  transition: fill 0.15s ease-out;
}

.incorrect-flash {
  fill: #D88368 !important;
  filter: drop-shadow(0 0 6px rgba(216, 131, 104, 0.7));
  animation: flash-incorrect 0.4s ease-out forwards;
}

@keyframes pulse-expected {
  0%, 100% { opacity: 0.65; filter: drop-shadow(0 0 4px rgba(74, 144, 217, 0.5)); }
  50% { opacity: 1; filter: drop-shadow(0 0 8px rgba(74, 144, 217, 0.9)); }
}

@keyframes flash-incorrect {
  0% { fill: #D88368; filter: drop-shadow(0 0 8px rgba(216, 131, 104, 0.8)); }
  100% { fill: initial; filter: none; }
}

/* ==========================================================================
   Inline Panel Container
   ========================================================================== */

.playalong-panel {
  width: 100%;
  min-height: 120px;
  background: var(--color-blue-darkest, #04273C);
  border: 1px solid var(--color-border, #6F91A5);
  border-radius: var(--border-radius, 8px);
  color: var(--color-text-primary, #FFFFFF);
  font-family: inherit;
  overflow: hidden;
}

.playalong-panel.hidden {
  display: none;
}

/* ==========================================================================
   Settings View — horizontal strip
   ========================================================================== */

.playalong-panel__settings-row {
  display: flex;
  align-items: center;
  gap: var(--spacing-md, 16px);
  padding: var(--spacing-sm, 8px) var(--spacing-md, 16px);
  flex-wrap: wrap;
  min-height: 120px;
}

.playalong-panel__brand {
  font-size: var(--font-size-base, 1rem);
  font-weight: 700;
  white-space: nowrap;
  margin-right: var(--spacing-xs, 4px);
}

.playalong-panel__setting-group {
  display: flex;
  align-items: center;
  gap: 6px;
}

.playalong-panel__setting-label {
  font-size: var(--font-size-xs, 0.75rem);
  color: var(--color-text-secondary, #6F91A5);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.playalong-panel__toggle-group {
  display: flex;
  border: 1px solid var(--color-border, #6F91A5);
  border-radius: var(--border-radius-sm, 4px);
  overflow: hidden;
}

.playalong-panel__toggle-btn {
  padding: 5px 10px;
  background: transparent;
  border: none;
  border-right: 1px solid var(--color-border, #6F91A5);
  color: var(--color-text-secondary, #6F91A5);
  font-size: var(--font-size-sm, 0.875rem);
  font-family: inherit;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
  white-space: nowrap;
}

.playalong-panel__toggle-btn:last-child {
  border-right: none;
}

.playalong-panel__toggle-btn:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--color-text-primary, #FFFFFF);
}

.playalong-panel__toggle-btn--active {
  background: rgba(74, 144, 217, 0.2);
  color: #4A90D9;
  font-weight: 600;
}

.playalong-panel__toggle-btn--active:hover {
  background: rgba(74, 144, 217, 0.3);
}

.playalong-panel__start-btn {
  margin-left: auto;
  padding: 6px 20px;
  background: var(--color-green-medium, #297B51);
  border: 1px solid var(--color-green-medium, #297B51);
  border-radius: var(--border-radius-sm, 4px);
  color: var(--color-text-primary, #FFFFFF);
  font-size: var(--font-size-sm, 0.875rem);
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.15s ease;
  white-space: nowrap;
}

.playalong-panel__start-btn:hover {
  background: var(--color-green-dark, #116038);
}

.playalong-panel__close-btn {
  padding: 4px 8px;
  background: transparent;
  border: 1px solid var(--color-border, #6F91A5);
  border-radius: var(--border-radius-sm, 4px);
  color: var(--color-text-secondary, #6F91A5);
  font-size: var(--font-size-base, 1rem);
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
  line-height: 1;
}

.playalong-panel__close-btn:hover {
  background: rgba(175, 86, 58, 0.15);
  color: var(--color-peach-light, #D88368);
  border-color: var(--color-peach-medium, #AF563A);
}

/* Tempo control (settings + live) */
.playalong-panel__tempo-control {
  display: flex;
  align-items: center;
  gap: 2px;
  border: 1px solid var(--color-border, #6F91A5);
  border-radius: var(--border-radius-sm, 4px);
  overflow: hidden;
}

.playalong-panel__tempo-btn {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  color: var(--color-text-secondary, #6F91A5);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
  font-family: inherit;
  line-height: 1;
}

.playalong-panel__tempo-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--color-text-primary, #FFFFFF);
}

.playalong-panel__tempo-value {
  min-width: 42px;
  text-align: center;
  font-size: var(--font-size-sm, 0.875rem);
  font-weight: 600;
  color: var(--color-text-primary, #FFFFFF);
  user-select: none;
}

.playalong-panel__tempo-control--live {
  border-color: rgba(111, 145, 165, 0.4);
}

.playalong-panel__tempo-control--live .playalong-panel__tempo-value {
  font-size: var(--font-size-xs, 0.75rem);
  min-width: 36px;
}

.playalong-panel__tempo-control--live .playalong-panel__tempo-btn {
  width: 24px;
  height: 24px;
  font-size: 0.85rem;
}

/* ==========================================================================
   Count-in
   ========================================================================== */

.playalong-panel__countin {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 120px;
}

.playalong-panel__countin-number {
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--color-text-primary, #FFFFFF);
  line-height: 1;
}

.playalong-panel__countin-pop {
  animation: countin-pop 0.4s ease-out;
}

@keyframes countin-pop {
  0% { transform: scale(1.6); opacity: 0.3; }
  40% { transform: scale(0.95); opacity: 1; }
  100% { transform: scale(1); opacity: 1; }
}

/* ==========================================================================
   Live View — horizontal strip during active session
   ========================================================================== */

.playalong-panel__live-row {
  display: flex;
  align-items: center;
  gap: var(--spacing-md, 16px);
  padding: var(--spacing-sm, 8px) var(--spacing-md, 16px);
  flex-wrap: wrap;
  min-height: 120px;
}

.playalong-panel__stat {
  text-align: center;
  min-width: 60px;
}

.playalong-panel__stat-value {
  font-size: 1.3rem;
  font-weight: 700;
  line-height: 1.1;
}

.playalong-panel__stat-label {
  font-size: var(--font-size-xs, 0.75rem);
  color: var(--color-text-secondary, #6F91A5);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.playalong-panel__stat-value--accuracy {
  color: var(--color-green-light, #499770);
}

.playalong-panel__stat-value--streak {
  color: var(--color-gold-light, #D8A668);
}

/* Timing rating */
.playalong-panel__timing {
  min-width: 70px;
  text-align: center;
}

.playalong-panel__timing-label {
  font-size: 1.2rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  transition: color 0.15s ease;
}

.playalong-panel__timing-label--perfect { color: #76B595; text-shadow: 0 0 8px rgba(118, 181, 149, 0.5); }
.playalong-panel__timing-label--good    { color: #4A90D9; }
.playalong-panel__timing-label--early   { color: #D8A668; }
.playalong-panel__timing-label--late    { color: #D8A668; }
.playalong-panel__timing-label--missed  { color: #D88368; }

.playalong-panel__timing-pop {
  animation: timing-pop 0.35s ease-out;
}

@keyframes timing-pop {
  0% { transform: scale(1.4); opacity: 0.6; }
  50% { transform: scale(1); opacity: 1; }
  100% { transform: scale(1); opacity: 1; }
}

/* Expected notes */
.playalong-panel__expected {
  background: rgba(74, 144, 217, 0.12);
  border: 1px solid rgba(74, 144, 217, 0.3);
  border-radius: var(--border-radius-sm, 4px);
  padding: 4px 12px;
  text-align: center;
  min-width: 80px;
}

.playalong-panel__expected-label {
  font-size: 0.65rem;
  color: var(--color-text-secondary, #6F91A5);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.playalong-panel__expected-notes {
  font-size: 1rem;
  font-weight: 600;
  color: #4A90D9;
  min-height: 1.2em;
}

/* Progress */
.playalong-panel__progress {
  flex: 1;
  min-width: 100px;
}

.playalong-panel__progress-bar {
  width: 100%;
  height: 6px;
  background: rgba(111, 145, 165, 0.2);
  border-radius: 3px;
  overflow: hidden;
}

.playalong-panel__progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-green-medium, #297B51), var(--color-green-light, #499770));
  border-radius: 3px;
  transition: width 0.3s ease;
  width: 0%;
}

.playalong-panel__progress-text {
  text-align: right;
  font-size: var(--font-size-xs, 0.75rem);
  color: var(--color-text-secondary, #6F91A5);
  margin-top: 1px;
}

/* Paused indicator */
.playalong-panel__paused {
  color: var(--color-gold-light, #D8A668);
  font-weight: 600;
  animation: pulse-paused 1.5s ease-in-out infinite;
}

@keyframes pulse-paused {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}

/* Controls */
.playalong-panel__controls {
  display: flex;
  gap: var(--spacing-xs, 4px);
  margin-left: auto;
}

.playalong-panel__btn {
  padding: 5px 12px;
  border: 1px solid var(--color-border, #6F91A5);
  border-radius: var(--border-radius-sm, 4px);
  background: transparent;
  color: var(--color-text-primary, #FFFFFF);
  font-size: var(--font-size-sm, 0.875rem);
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
  font-family: inherit;
  white-space: nowrap;
}

.playalong-panel__btn:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--color-text-primary, #FFFFFF);
}

.playalong-panel__btn--stop {
  border-color: var(--color-peach-medium, #AF563A);
  color: var(--color-peach-light, #D88368);
}

.playalong-panel__btn--stop:hover {
  background: rgba(175, 86, 58, 0.15);
}

.playalong-panel__btn--restart {
  border-color: var(--color-green-medium, #297B51);
  color: var(--color-green-light, #499770);
}

.playalong-panel__btn--restart:hover {
  background: rgba(41, 123, 81, 0.15);
}

/* ==========================================================================
   Completion View — inline strip
   ========================================================================== */

.playalong-panel__complete-row {
  display: flex;
  align-items: center;
  gap: var(--spacing-md, 16px);
  padding: var(--spacing-sm, 8px) var(--spacing-md, 16px);
  flex-wrap: wrap;
  min-height: 120px;
}

.playalong-panel__complete-title {
  font-size: 1.1rem;
  font-weight: 700;
  white-space: nowrap;
}

.playalong-panel__complete-accuracy {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-green-light, #499770);
  line-height: 1;
}

.playalong-panel__complete-stats {
  display: flex;
  gap: var(--spacing-md, 16px);
}

.playalong-panel__complete-stat {
  text-align: center;
}

.playalong-panel__complete-stat-value {
  font-size: 1.1rem;
  font-weight: 700;
  display: block;
}

.playalong-panel__complete-stat-label {
  font-size: 0.65rem;
  color: var(--color-text-secondary, #6F91A5);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  display: block;
}

/* Timing breakdown inline */
.playalong-panel__complete-timing {
  border-left: 1px solid rgba(111, 145, 165, 0.3);
  padding-left: var(--spacing-sm, 8px);
}

.playalong-panel__complete-timing.hidden {
  display: none;
}

.playalong-panel__complete-timing-items {
  display: flex;
  gap: var(--spacing-sm, 8px);
}

.playalong-panel__complete-timing-item {
  text-align: center;
}

.playalong-panel__complete-timing-value {
  font-size: 1rem;
  font-weight: 700;
  display: block;
}

.playalong-panel__complete-timing-label {
  font-size: 0.6rem;
  color: var(--color-text-secondary, #6F91A5);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  display: block;
}

.playalong-panel__complete-timing-value--perfect { color: #76B595; }
.playalong-panel__complete-timing-value--good    { color: #4A90D9; }
.playalong-panel__complete-timing-value--early   { color: #D8A668; }
.playalong-panel__complete-timing-value--late    { color: #D8A668; }
.playalong-panel__complete-timing-value--missed  { color: #D88368; }

/* --- Streak milestones --- */

.streak-fire {
  display: inline;
  font-weight: 800;
  font-size: 0.85em;
  color: var(--color-gold-light, #D8A668);
  animation: streak-pop 0.3s ease-out;
}

.streak-fire--max {
  color: var(--color-peach-light, #D88368);
}

@keyframes streak-pop {
  0% { transform: scale(0.5); }
  50% { transform: scale(1.3); }
  100% { transform: scale(1); }
}