@import url("./shared.css");

.music-layout {
  max-width: min(1180px, 100%);
  width: 100%;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 168px minmax(0, 1fr);
  gap: 20px;
  align-items: start;
  overflow-x: clip;
}

.music-studio-transport {
  margin-bottom: 0;
}

.music-studio-transport .music-controls {
  margin-top: 8px;
}

.music-save-sidebar {
  display: grid;
  gap: 16px;
  position: sticky;
  top: 16px;
}

.music-content {
  display: grid;
  gap: 20px;
  min-width: 0;
}

.music-section {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 18px;
  padding: 18px;
}

.music-section h2 {
  margin: 0 0 6px;
  font-size: 1rem;
}

.music-section p {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 0.85rem;
}

.block-palette {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.sound-block {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid var(--panel-border);
  background: linear-gradient(160deg, #1f2937, var(--surface-deep));
  color: var(--text);
  cursor: grab;
  font: inherit;
  user-select: none;
  touch-action: none;
  transition: transform 0.1s, box-shadow 0.1s, border-color 0.1s;
}

.sound-block:active {
  cursor: grabbing;
}

.sound-block.selected {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.35);
}

.sound-block.dragging {
  opacity: 0.55;
}

.sound-block.eraser {
  background: linear-gradient(160deg, #450a0a, #1a0d0d);
  border-color: #7f1d1d;
}

.block-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
}

.sequencer {
  display: grid;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
}

.seq-header {
  display: grid;
  grid-template-columns: 72px repeat(16, minmax(28px, 1fr));
  gap: 6px;
  align-items: center;
}

.seq-header span {
  font-size: 0.65rem;
  color: var(--muted);
  text-align: center;
}

.seq-row {
  display: grid;
  grid-template-columns: 72px repeat(16, minmax(28px, 1fr));
  gap: 6px;
  align-items: center;
}

.seq-label {
  font-size: 0.78rem;
  color: var(--muted);
}

.seq-step {
  aspect-ratio: 1;
  min-height: 28px;
  border-radius: 8px;
  border: 2px dashed rgba(45, 58, 79, 0.8);
  background: var(--surface-deep);
  cursor: pointer;
  padding: 0;
  position: relative;
  transition: background 0.1s, border-color 0.1s, transform 0.1s;
}

.seq-step.drop-target {
  border-color: var(--accent);
  background: rgba(59, 130, 246, 0.12);
  transform: scale(1.06);
}

.seq-step.on {
  border-style: solid;
  border-color: transparent;
}

.seq-step.on::after {
  content: '';
  position: absolute;
  inset: 4px;
  border-radius: 5px;
}

.seq-step.on.kick::after { background: #f97316; }
.seq-step.on.snare::after { background: #ec4899; }
.seq-step.on.hat::after { background: #a3e635; }
.seq-step.on.bass::after { background: #38bdf8; }

.seq-step.playhead {
  box-shadow: inset 0 0 0 2px #fbbf24;
}

.music-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
  align-items: center;
}

.music-controls button {
  padding: 10px 16px;
  border-radius: 10px;
  border: 1px solid var(--panel-border);
  background: var(--surface-deep);
  color: var(--text);
  cursor: pointer;
  font: inherit;
}

.music-controls button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}

.tempo-label {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-size: 0.88rem;
}

.tempo-label input {
  width: 120px;
}

.save-slot-btn:hover {
  border-color: var(--accent);
}

@media (max-width: 820px) {
  .music-layout {
    grid-template-columns: 1fr;
  }

  .music-save-sidebar {
    position: static;
    grid-template-columns: 1fr 1fr;
  }

  .save-slot-row {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .save-slot-btn {
    height: 36px;
    padding: 0 4px;
    font-size: 0.85rem;
  }
}

@media (max-width: 720px) {
  .seq-header,
  .seq-row {
    grid-template-columns: 56px repeat(16, minmax(24px, 1fr));
  }
}

.piano-section {
  order: -1;
}

.piano-stage {
  border-radius: 14px;
  overflow: hidden;
  border: 2px solid #3b82f6;
  background: #1e293b;
  width: 100%;
  max-width: 100%;
}

.piano-keyboard {
  position: relative;
  display: flex;
  width: 100%;
  min-height: 148px;
  height: 148px;
  padding: 8px 8px 0;
  background: linear-gradient(180deg, #cbd5e1 0%, #94a3b8 100%);
  border-bottom: 2px solid #64748b;
}

.piano-key {
  position: relative;
  border: none;
  cursor: pointer;
  padding: 0;
  font: inherit;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.piano-key.white {
  flex: 1 1 0;
  min-width: 28px;
  height: 100%;
  background: linear-gradient(180deg, #ffffff 0%, #f1f5f9 88%, #cbd5e1 100%);
  border: 1px solid #94a3b8;
  border-bottom: 3px solid #64748b;
  border-radius: 0 0 6px 6px;
  color: #334155;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  gap: 2px;
  padding-bottom: 10px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.piano-key.white .key-name {
  font-size: 0.72rem;
  font-weight: 700;
  color: #1e293b;
}

.piano-key.white .key-pc {
  font-size: 0.65rem;
  font-weight: 600;
  color: #64748b;
  background: rgba(15, 23, 42, 0.08);
  border-radius: 4px;
  padding: 1px 5px;
}

.piano-key.black {
  position: absolute;
  top: 8px;
  width: 7%;
  min-width: 22px;
  max-width: 36px;
  height: 58%;
  background: linear-gradient(180deg, #475569 0%, #1e293b 100%);
  border-radius: 0 0 5px 5px;
  border: 1px solid #0f172a;
  border-bottom: 3px solid #020617;
  z-index: 2;
  transform: translateX(-50%);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: 6px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.35);
}

.piano-key.black .key-pc {
  font-size: 0.6rem;
  font-weight: 700;
  color: #e2e8f0;
}

.piano-key.active {
  background: linear-gradient(180deg, #93c5fd, #3b82f6) !important;
  border-color: #2563eb !important;
  color: white;
}

.piano-key.white.active .key-name,
.piano-key.white.active .key-pc {
  color: white;
  background: rgba(255, 255, 255, 0.2);
}

.piano-key.black.active {
  background: linear-gradient(180deg, #818cf8, #4338ca) !important;
}

.piano-notes {
  min-height: 72px;
  max-height: 120px;
  overflow-y: auto;
  padding: 12px 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-content: flex-start;
  background: #0b1016;
  border-top: none;
}

.piano-notes-empty {
  margin: 0;
  color: var(--muted);
  font-size: 0.85rem;
}

.piano-note-chip {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(56, 189, 248, 0.15);
  border: 1px solid rgba(56, 189, 248, 0.45);
  color: #bae6fd;
  font-size: 0.78rem;
}

.piano-key.miss {
  box-shadow: none;
}

.piano-score {
  color: var(--muted);
  font-size: 0.88rem;
}

.keyboard-hint {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.78rem;
}

.piano-controls {
  margin-top: 12px;
  flex-wrap: wrap;
}

#piano-record-btn.recording {
  background: #7f1d1d;
  border-color: #f87171;
  color: #fecaca;
}

.record-steps {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 0.85rem;
}

.record-steps strong {
  color: var(--text);
}

.save-slots {
  padding: 14px;
  border-radius: 14px;
  border: 1px solid var(--panel-border);
  background: var(--panel);
}

.save-slots-head {
  display: grid;
  gap: 4px;
  margin-bottom: 10px;
}

.save-slots-label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text);
}

.save-slot-hint {
  font-size: 0.72rem;
  color: var(--muted);
  line-height: 1.3;
}

.save-slot-row {
  display: grid;
  gap: 8px;
}

.save-slot-btn {
  width: 100%;
  min-width: 0;
  height: 38px;
  padding: 0 10px;
  border-radius: 10px;
  border: 1px solid var(--panel-border);
  background: var(--surface-deep);
  color: var(--text);
  cursor: pointer;
  font: inherit;
  font-weight: 600;
  position: relative;
  text-align: center;
}

.save-slot-btn.filled::after {
  content: '';
  position: absolute;
  top: 6px;
  right: 6px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #34d399;
}

.save-slot-btn.active {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.35);
  background: var(--accent-soft);
}

.save-slot-btn:hover {
  border-color: var(--accent);
}