/* Guia de estudo: Pentatônicas e Blues 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 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; }
.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 ul {
  margin: 0 0 10px;
  padding-left: 1.1em;
  font-size: 0.88rem;
  line-height: 1.5;
}

.mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.legend-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 0.8rem;
  color: var(--text-dim);
  align-items: center;
}
.legend-row .swatch {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.legend-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  display: inline-block;
  background: var(--accent-2);
}
.legend-dot.root { background: var(--accent); }
.legend-dot.blue { background: #2563eb; }
.legend-badge {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 1.5px solid var(--text-dim);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--text);
}

.overview-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
  margin-top: 6px;
}
.overview-table th,
.overview-table td {
  text-align: left;
  padding: 6px 8px;
  border-bottom: 1px solid var(--border);
}
.overview-table th { color: var(--text-dim); font-weight: 600; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.03em; }
.overview-table a { color: var(--accent); text-decoration: none; font-weight: 600; }

.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); }

/* Seção de cada escala */
.mode-section {
  margin-top: 22px;
  scroll-margin-top: 12px;
}
.mode-head h2 {
  font-size: 1.15rem;
  font-weight: 700;
  margin: 0 0 2px;
  letter-spacing: -0.01em;
}
.mode-formula {
  margin: 0 0 6px;
  font-size: 0.82rem;
  color: var(--text-dim);
}
.mode-desc {
  margin: 0 0 12px;
  font-size: 0.86rem;
  color: var(--text-dim);
  line-height: 1.5;
}

.positions-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.position-card { padding: 14px; }
.position-title {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
  font-weight: 700;
  font-size: 0.88rem;
  flex-wrap: wrap;
}
.position-anchor {
  font-weight: 500;
  font-size: 0.76rem;
  color: var(--text-dim);
}
.position-meta {
  margin: 4px 0 0;
  font-size: 0.74rem;
  color: var(--text-dim);
}
.position-stretch {
  margin: 2px 0 0;
  font-size: 0.72rem;
  color: var(--accent);
}
.position-blue-note {
  margin: 2px 0 0;
  font-size: 0.72rem;
  color: #2563eb;
  font-weight: 600;
}

.pos-wrap {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-top: 10px;
}
.pos-svg {
  display: block;
  min-width: 340px;
  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-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.is-blue { fill: #2563eb; }
.fb-dot.is-open { fill: none; stroke: var(--accent-2); stroke-width: 2.5; }
.fb-dot.is-open.is-root { stroke: var(--accent); }
.fb-dot.is-open.is-blue { stroke: #2563eb; }
.fb-dot-label { fill: #fff; font-size: 10px; font-weight: 700; text-anchor: middle; font-family: -apple-system, sans-serif; }
.fb-dot.is-open + .fb-dot-label { fill: var(--text); }

.finger-badge { fill: var(--card-bg); stroke: var(--text-dim); stroke-width: 1.3; }
.finger-badge-label { fill: var(--text); font-size: 9px; font-weight: 700; text-anchor: middle; font-family: -apple-system, sans-serif; }

.degree-label { fill: var(--text-dim); font-size: 9px; font-weight: 600; text-anchor: middle; font-family: -apple-system, sans-serif; }
.degree-label.is-blue { fill: #2563eb; font-weight: 800; }

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,
  footer.page-footer {
    display: none !important;
  }

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

  .mode-section {
    break-before: page;
    page-break-before: always;
  }
  .mode-section:first-of-type {
    break-before: auto;
    page-break-before: avoid;
  }

  .position-card {
    break-inside: avoid;
    page-break-inside: avoid;
  }

  .positions-grid { grid-template-columns: 1fr 1fr; gap: 8px; }

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

  .fb-dot.is-root { stroke: #14161c; stroke-width: 2.5; }
  .fb-dot.is-blue { stroke: #14161c; stroke-width: 2; }
}