/* Página: Escala + Campo Harmônico Maior e Menor Naturais (mapa completo do braço, 4 cordas 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: 1.05rem;
  font-weight: 700;
  margin: 0;
  letter-spacing: -0.01em;
}
.page-header p {
  margin: 2px 0 0;
  font-size: 0.76rem;
  color: var(--text-dim);
}

.intro-card p {
  margin: 0 0 8px;
  font-size: 0.85rem;
  line-height: 1.5;
}
.intro-card p:last-child { margin-bottom: 0; }

.mode-toggle {
  display: flex;
  gap: 6px;
  margin-bottom: 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 4px;
}
.mode-btn {
  flex: 1 1 0;
  border: none;
  background: transparent;
  color: var(--text-dim);
  font-weight: 700;
  font-size: 0.82rem;
  padding: 8px 10px;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}
.mode-btn:hover { color: var(--text); }
.mode-btn.is-active {
  background: var(--accent);
  color: #fff;
}

.formula-line {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.8rem;
  color: var(--text-dim);
}

.color-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 10px;
  font-size: 0.8rem;
}
.color-legend span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.legend-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  display: inline-block;
}
.legend-dot.root { background: var(--accent); }
.legend-dot.third { background: #f5a623; }
.legend-dot.other { background: var(--accent-2); }

.key-card { padding: 14px 16px; }

.key-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.key-badge {
  flex: 0 0 auto;
  background: var(--text);
  color: var(--card-bg);
  font-weight: 800;
  font-size: 0.85rem;
  padding: 8px 12px;
  border-radius: 10px;
  letter-spacing: 0.02em;
  text-align: center;
  min-width: 84px;
}

.fretboard-wrap {
  flex: 1 1 320px;
  min-width: 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.fretboard-svg {
  display: block;
  min-width: 620px;
  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: 10px; font-family: -apple-system, sans-serif; }
.fb-string-label { fill: var(--text-dim); font-size: 10px; font-weight: 700; font-family: -apple-system, sans-serif; }
.fb-dot { stroke: var(--card-bg); stroke-width: 1.5; }
.fb-dot-root { fill: var(--accent); }
.fb-dot-third { fill: #f5a623; }
.fb-dot-other { fill: var(--accent-2); }
.fb-dot-label { fill: #fff; font-size: 9px; font-weight: 700; text-anchor: middle; font-family: -apple-system, sans-serif; }

.harmonic-field {
  margin-top: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.chord-chip {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 3px 8px;
  font-size: 0.8rem;
  font-weight: 700;
  display: inline-flex;
  align-items: baseline;
  gap: 5px;
}
.chord-chip.is-root {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.chord-chip.is-root .chord-roman { color: rgba(255,255,255,0.85); }
.chord-roman {
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--text-dim);
}

.chord-diagrams-title {
  margin: 14px 0 6px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-dim);
}

.chord-diagrams {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
}
.chord-diagram-item {
  flex: 0 0 auto;
  width: 158px;
}
.chord-diagram-label {
  display: flex;
  align-items: baseline;
  gap: 5px;
  font-size: 0.78rem;
  font-weight: 700;
  margin-bottom: 2px;
}
.chord-svg {
  display: block;
  width: 100%;
  height: auto;
}
.chord-dot-label { font-size: 8px; }
.chord-start-label {
  fill: var(--text-dim);
  font-size: 9px;
  font-weight: 700;
  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: 10mm; }

  :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);
    break-inside: avoid;
    page-break-inside: avoid;
  }

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

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