/* Compose / improvise page — extends style.css. */

.compose-page header {
  max-width: 1100px;
  text-align: left;
  padding-bottom: 8px;
  border-bottom: 1px solid #e6dfd0;
  margin-bottom: 16px;
}

.compose-page header h1 {
  font-size: 1.6rem;
  color: #1a1a1a;
}

.compose-page .subtitle {
  margin: 4px 0 0;
  text-align: left;
  color: #555;
}

.compose-grid {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr) 320px;
  gap: 24px;
  align-items: start;
}

@media (max-width: 920px) {
  .compose-grid { grid-template-columns: 1fr; }
}

/* Phone breakpoint — keep transport, picker, BPM all reachable on 320px. */
@media (max-width: 480px) {
  .compose-page header h1 { font-size: 1.3rem; }
  .compose-grid { gap: 16px; }
  .progression-picker, .improvise-panel { padding: 12px; }
  .transport { gap: 8px; }
  .transport button { padding: 8px 10px; min-width: 40px; }
  #play-toggle { min-width: 72px; padding: 8px 12px; }
  .bpm-control, .drone-control { font-size: 12px; }
  #bpm { width: 100px; }
  .improvise-panel .step-role { font-size: 1.2rem; }
  .improvise-panel .role-glyph-inline { font-size: 1.6rem; }
  .improvise-panel .step-scale { font-size: 0.95rem; }
  .next-stop span:first-child { font-size: 1.2rem; }
}

.progression-picker, .improvise-panel {
  background: #fffaf1;
  border: 1px solid rgba(23, 22, 21, 0.16);
  border-radius: 10px;
  padding: 14px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.progression-picker h2, .improvise-panel h2 {
  margin: 0 0 10px;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #555;
}

#progression-select {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid #1a1a1a;
  border-radius: 6px;
  background: #fff;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

#progression-select:focus-visible {
  outline: 2px solid rgba(192, 57, 43, 0.4);
  outline-offset: 2px;
}

.prog-summary {
  margin: 10px 0 0;
  font-size: 13px;
  color: #444;
  line-height: 1.45;
}

.provenance {
  margin-top: 14px;
  font-size: 11px;
  color: #888;
  line-height: 1.4;
  border-top: 1px solid #e6dfd0;
  padding-top: 10px;
}

.compose-stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.transport {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}

.transport button {
  appearance: none;
  border: 1px solid #1a1a1a;
  background: #fff;
  border-radius: 6px;
  padding: 7px 14px;
  font: inherit;
  cursor: pointer;
  min-width: 44px;
}

#play-toggle {
  background: #1a1a1a;
  color: #fff;
  min-width: 90px;
  font-weight: 600;
}

#play-toggle[aria-pressed="true"] {
  background: #c0392b;
  border-color: #8f1f16;
}

.bpm-control, .drone-control {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: #555;
}

.bpm-control span:first-child {
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 700;
  font-size: 11px;
}

#bpm {
  width: 120px;
  accent-color: #c0392b;
}

#bpm-readout {
  min-width: 30px;
  text-align: right;
  font-variant-numeric: tabular-nums;
  color: #1a1a1a;
  font-weight: 600;
}

/* Improvise panel readouts */
.improvise-panel .step-counter {
  margin: 0 0 10px;
  font-size: 12px;
  color: #888;
  letter-spacing: 0.06em;
}

.improvise-panel .step-role {
  margin: 0 0 8px;
  font-size: 1.4rem;
  display: flex;
  align-items: center;
  gap: 10px;
}

.improvise-panel .role-glyph-inline {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1;
}

.improvise-panel .step-scale {
  font-size: 1rem;
  margin: 0 0 8px;
}

.improvise-panel .step-scale strong {
  color: #c0392b;
}

.improvise-panel .step-hint {
  font-size: 13px;
  color: #555;
  font-style: italic;
  margin: 0 0 10px;
  border-left: 2px solid #c0392b;
  padding-left: 10px;
}

.improvise-panel .step-notes {
  margin: 0 0 8px;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
}

.improvise-panel .step-notes .note-pill {
  display: inline-block;
  padding: 2px 7px;
  margin: 2px 4px 2px 0;
  border-radius: 4px;
  background: #fff3d5;
  border: 1px solid #d8c787;
  font-weight: 600;
}

.improvise-panel .step-bars {
  margin: 0 0 14px;
  font-size: 12px;
  color: #888;
}

.next-stop-title {
  margin: 14px 0 4px;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #888;
  border-top: 1px dashed #d6cfbe;
  padding-top: 10px;
}

.next-stop {
  font-size: 1rem;
  color: #555;
  margin: 0;
}

.next-stop span:first-child {
  font-size: 1.4rem;
  font-weight: 700;
  color: #1a1a1a;
  margin-right: 6px;
}

/* The arrow drawn on the wheel pointing from current → next role. */
.next-arrow {
  fill: none;
  stroke: #c0392b;
  stroke-width: 4;
  stroke-linecap: round;
  filter: drop-shadow(0 1px 3px rgba(192, 57, 43, 0.4));
  pointer-events: none;
}

.next-arrow-head {
  fill: #c0392b;
  stroke: none;
  pointer-events: none;
}

/* Active wheel segment — much louder so it pops over the bright fill colors. */
.role-segment.is-current {
  stroke: #c0392b;
  stroke-width: 6;
  filter: drop-shadow(0 0 10px rgba(192, 57, 43, 0.85));
}

/* In-scale highlighting on instruments. CSS `outline` doesn't work on SVG
   elements (SVG ignores it), so we override the rect's own stroke instead.
   That's why the previous `outline: 2px solid #c0392b` was invisible. */
.piano-key.in-scale .piano-tint,
.fret-cell.in-scale .fret-tint {
  stroke: #c0392b;
  stroke-width: 3;
}

/* Out-of-scale tiles dim out so the in-scale frame really pops. */
.piano-key:not(.in-scale) .piano-tint,
.fret-cell:not(.in-scale) .fret-tint {
  opacity: 0.22;
}

/* Smooth the in-scale border swap as the wheel changes step. */
.piano-tint, .fret-tint {
  transition: stroke 200ms ease, stroke-width 200ms ease, opacity 200ms ease;
}

/* Cross-page nav */
.compose-page header a {
  color: #c0392b;
  text-decoration: none;
  border-bottom: 1px solid #c0392b;
}
.compose-page header a:hover { color: #1a1a1a; border-color: #1a1a1a; }