/* Socle partagé — palette, polices et composants communs,
   extraits de pentatonique-mineure.html */

:root {
  --bg: #f4eee2;
  --bg-card: #fbf6ec;
  --bg-accent: #ede5d3;
  --text: #2c2620;
  --text-soft: #7a6f5e;
  --text-muted: #a89a85;
  --line: #d8cdb8;
  --line-soft: #e5dcc9;
  --root: #ab6047;
  --root-soft: #c47a5f;
  --note: #93a487;
  --note-soft: #c4d0b8;
  --note-text: #38463a;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { height: 100%; }

body {
  font-family: 'Manrope', -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-weight: 400;
  line-height: 1.5;
  background-image:
    radial-gradient(circle at 20% 10%, rgba(171, 96, 71, 0.04) 0%, transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(147, 164, 135, 0.06) 0%, transparent 45%);
  overflow-x: hidden;
}

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 24px 28px 20px;
  opacity: 0;
  animation: fadeIn 0.8s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

@keyframes fadeIn {
  to { opacity: 1; }
}

/* --- Hero --- */
.hero {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line-soft);
  margin-bottom: 22px;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-left .eyebrow {
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: 4px;
}

.hero-left h1 {
  font-family: 'Fraunces', serif;
  font-weight: 300;
  font-size: clamp(20px, 4vw, 26px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--text);
}

.hero-left h1 em {
  font-style: italic;
  font-weight: 400;
  color: var(--root);
}

.hero-left .subtitle {
  font-family: 'Manrope', sans-serif;
  font-size: 12.5px;
  color: var(--text-soft);
  margin-top: 6px;
  letter-spacing: 0.01em;
}

/* --- Chip row (used as jump-links / selectors) --- */
.selector {
  margin-bottom: 18px;
}

.selector-label {
  font-family: 'Manrope', sans-serif;
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: 8px;
}

.chips {
  display: flex;
  gap: 5px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
  -webkit-overflow-scrolling: touch;
  flex-wrap: wrap;
}

.chips::-webkit-scrollbar { height: 3px; }
.chips::-webkit-scrollbar-track { background: transparent; }
.chips::-webkit-scrollbar-thumb { background: var(--line); border-radius: 2px; }

.chip {
  flex-shrink: 0;
  padding: 7px 11px;
  font-family: 'Manrope', sans-serif;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-soft);
  background: var(--bg-card);
  border: 1px solid var(--line-soft);
  border-radius: 2px;
  cursor: pointer;
  transition: all 0.2s ease;
  letter-spacing: 0.02em;
  text-decoration: none;
  display: inline-block;
}

.chip:hover {
  background: var(--bg-accent);
  color: var(--text);
  border-color: var(--line);
}

.chip.active {
  background: var(--root);
  color: #fbf6ec;
  border-color: var(--root);
}

/* --- Panel / fiche card --- */
.panel {
  background: var(--bg-card);
  border: 1px solid var(--line-soft);
  border-radius: 4px;
  padding: 18px 22px 16px;
  display: flex;
  flex-direction: column;
  margin-bottom: 18px;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-soft);
  flex-wrap: wrap;
  gap: 8px;
}

.panel-title {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.panel-label {
  font-family: 'Manrope', sans-serif;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 500;
}

.panel-roman {
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-weight: 400;
  font-size: 22px;
  color: var(--text);
  letter-spacing: -0.01em;
}

.panel-meta {
  font-family: 'Manrope', sans-serif;
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

.panel-desc {
  font-size: 12.5px;
  color: var(--text-soft);
  line-height: 1.6;
  letter-spacing: 0.005em;
}

/* --- Fretboard / diagram SVG (style commun aux diagrammes de manche) --- */
.fretboard-wrap {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  margin: 4px 0 12px;
}

.fretboard {
  width: 100%;
  max-width: 480px;
  height: auto;
  display: block;
}

.string-line { stroke: var(--line); stroke-width: 1; }
.fret-line   { stroke: var(--line); stroke-width: 1.5; }
.fret-line.nut { stroke: var(--text-muted); stroke-width: 3.5; }

.fret-label {
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-size: 12px;
  fill: var(--text-muted);
  font-weight: 300;
}

.string-label {
  font-family: 'Manrope', sans-serif;
  font-size: 11px;
  fill: var(--text-muted);
  font-weight: 500;
  letter-spacing: 0.05em;
}

.note-circle {
  fill: var(--note-soft);
  stroke: var(--note);
  stroke-width: 1;
}

.note-circle.root {
  fill: var(--root);
  stroke: var(--root);
}

.note-text {
  font-family: 'Manrope', sans-serif;
  font-size: 11px;
  font-weight: 600;
  fill: var(--note-text);
  text-anchor: middle;
  letter-spacing: 0.01em;
}

.note-text.root { fill: #fbf6ec; }

/* --- Legend --- */
.legend {
  display: flex;
  justify-content: center;
  gap: 28px;
  margin-top: 14px;
  flex-wrap: wrap;
  font-size: 11.5px;
  color: var(--text-soft);
  letter-spacing: 0.02em;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

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

.dot-root { background: var(--root); }
.dot-note { background: var(--note-soft); border: 1px solid var(--note); }

/* --- Responsive --- */
@media (max-width: 540px) {
  .container { padding: 16px 14px 14px; }
  .hero { padding-bottom: 14px; margin-bottom: 16px; }
  .panel { padding: 14px 14px 12px; }
  .panel-roman { font-size: 19px; }
  .chip { padding: 6px 10px; font-size: 11px; }
  .selector-label { font-size: 9px; margin-bottom: 6px; }
}