/* Página de consulta: Escalas para Contrabaixo (4 cordas, afinação padrão E-A-D-G) */

.page-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 4px 4px;
}
.page-header-title { flex: 1; }

.back-link {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 1.3rem;
  padding: 6px 8px;
  border-radius: 10px;
  line-height: 1;
}
.back-link:hover { background: var(--border); }

.page-header h1 {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0;
  letter-spacing: -0.01em;
}
.page-header p {
  margin: 2px 0 0;
  font-size: 0.78rem;
  color: var(--text-dim);
}

.intro-card p {
  margin: 0 0 10px;
  font-size: 0.88rem;
  line-height: 1.5;
}
.intro-card p:last-child { margin-bottom: 0; }
.intro-card h3 {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-dim);
  margin: 14px 0 6px;
}
.intro-card h3:first-child { margin-top: 0; }

/* Seletor de tônica */
.root-select {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 8px;
}
.root-btn {
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  padding: 10px 4px;
  border-radius: 12px;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  text-align: center;
}
.root-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.section-title {
  font-size: 0.95rem;
  font-weight: 700;
  margin: 18px 4px 2px;
  letter-spacing: -0.01em;
  scroll-margin-top: 12px;
}

.family-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.family-link {
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  text-decoration: none;
  padding: 6px 10px;
  border-radius: 10px;
  font-size: 0.76rem;
  font-weight: 600;
}
.family-link:hover { background: var(--border); }
.section-sub {
  margin: 0 4px 8px;
  font-size: 0.78rem;
  color: var(--text-dim);
}

/* Card de escala */
.scale-card { padding: 16px; }
.scale-card-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}
.scale-name {
  font-size: 1rem;
  font-weight: 700;
}
.scale-formula {
  font-size: 0.78rem;
  color: var(--text-dim);
  font-variant-numeric: tabular-nums;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
.scale-desc {
  font-size: 0.82rem;
  color: var(--text-dim);
  margin: 4px 0 12px;
  line-height: 1.4;
}

.scale-notes {
  margin-top: 10px;
  font-size: 0.82rem;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.note-chip {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 3px 8px;
  font-weight: 600;
}
.note-chip.is-root {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.fretboard-wrap {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.fretboard-svg {
  display: block;
  min-width: 560px;
  width: 100%;
  height: auto;
}
.fb-string { stroke: var(--border); stroke-width: 2; }
.fb-fret { stroke: var(--border); stroke-width: 1.5; }
.fb-fret.nut { stroke: var(--text); stroke-width: 4; }
.fb-marker { fill: var(--border); opacity: 0.6; }
.fb-fret-label { fill: var(--text-dim); font-size: 11px; font-family: -apple-system, sans-serif; }
.fb-string-label { fill: var(--text-dim); font-size: 11px; font-weight: 700; font-family: -apple-system, sans-serif; }
.fb-dot { fill: var(--accent-2); stroke: var(--card-bg); stroke-width: 2; }
.fb-dot.is-root { fill: var(--accent); }
.fb-dot-label { fill: #fff; font-size: 10px; font-weight: 700; text-anchor: middle; font-family: -apple-system, sans-serif; }

footer.page-footer {
  text-align: center;
  color: var(--text-dim);
  font-size: 0.75rem;
  padding: 20px 8px 8px;
}
footer.page-footer a { color: var(--accent); }

/* ---------- Versão para impressão ---------- */
@media print {
  @page { size: A4 portrait; margin: 12mm; }

  :root,
  :root[data-theme="dark"] {
    --bg: #ffffff;
    --card-bg: #ffffff;
    --text: #14161c;
    --text-dim: #4a4f58;
    --border: #cfd3da;
    --accent: #c9502e;
    --accent-2: #0c7a6b;
    --shadow: none;
    color-scheme: light;
  }

  * {
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
    color-adjust: exact;
  }

  body { background: #fff; }

  .app { max-width: 100%; padding: 0; }

  .no-print,
  .root-btn:not(.active),
  footer.page-footer {
    display: none !important;
  }

  .root-select { grid-template-columns: none; display: block; }
  .root-btn.active { display: inline-block; padding: 4px 14px; }

  .card {
    box-shadow: none;
    border: 1px solid var(--border);
    break-inside: avoid;
    page-break-inside: avoid;
  }

  .section-title {
    break-after: avoid;
    page-break-after: avoid;
  }

  .fretboard-wrap { overflow: visible; }
  .fretboard-svg { min-width: 0; width: 100%; }

  .fb-dot.is-root { stroke: #14161c; stroke-width: 2.5; }
}