/**
 * Fijate Tools - Círculo de quintas interactivo y modulador armónico
 * Hoja de estilos moderna y responsiva (css/style.css)
 */

/* ==========================================================================
   1. VARIABLES DE TEMA (CLARO / OSCURO)
   ========================================================================== */
:root {
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Outfit', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Tema oscuro por defecto */
  --bg-app: #090d16;
  --bg-card: rgba(17, 24, 39, 0.75);
  --bg-card-solid: #111827;
  --bg-card-hover: rgba(31, 41, 55, 0.9);
  --border-card: rgba(255, 255, 255, 0.08);
  --border-focus: #38bdf8;

  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  --text-dim: #6b7280;

  /* Colores de armonía funcional */
  --color-tonic: #f59e0b;           /* Ámbar / Oro (Tónica) */
  --color-tonic-bg: rgba(245, 158, 11, 0.16);
  --color-subdominant: #38bdf8;     /* Celeste (Subdominante - IV) */
  --color-subdominant-bg: rgba(56, 189, 248, 0.16);
  --color-dominant: #ef4444;        /* Rojo coral (Dominante - V) */
  --color-dominant-bg: rgba(239, 68, 68, 0.16);
  --color-relative: #a855f7;        /* Púrpura (Relativa menor - vi) */
  --color-relative-bg: rgba(168, 85, 247, 0.16);
  --color-accent: #10b981;          /* Verde esmeralda (Éxito / Play) */

  /* Rueda SVG */
  --wheel-bg-major: #1e293b;
  --wheel-bg-minor: #0f172a;
  --wheel-stroke: #334155;
  --wheel-text-major: #f8fafc;
  --wheel-text-minor: #cbd5e1;
  --wheel-accidental: #94a3b8;

  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --radius-pill: 9999px;

  --shadow-card: 0 10px 25px -5px rgba(0, 0, 0, 0.45), 0 8px 10px -6px rgba(0, 0, 0, 0.3);
  --transition-fast: 0.18s ease;
  --transition-normal: 0.25s ease;
}

[data-theme="light"] {
  --bg-app: #f1f5f9;
  --bg-card: rgba(255, 255, 255, 0.9);
  --bg-card-solid: #ffffff;
  --bg-card-hover: #f8fafc;
  --border-card: rgba(0, 0, 0, 0.09);
  --border-focus: #0284c7;

  --text-main: #0f172a;
  --text-muted: #475569;
  --text-dim: #94a3b8;

  /* Rueda SVG modo claro */
  --wheel-bg-major: #e2e8f0;
  --wheel-bg-minor: #f1f5f9;
  --wheel-stroke: #cbd5e1;
  --wheel-text-major: #0f172a;
  --wheel-text-minor: #334155;
  --wheel-accidental: #64748b;

  --shadow-card: 0 10px 25px -5px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
}

/* ==========================================================================
   2. REINICIO Y ESTRUCTURA BASE
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-app);
  color: var(--text-main);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: clip;
}

.tool-layout {
  max-width: 1240px;
  margin: 1.5rem auto 3rem;
  padding: 0 1rem;
  width: 100%;
}

.tool-with-sidebar {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
  width: 100%;
}

.tool-main-content {
  flex: 1 1 0%;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

/* ==========================================================================
   3. TARJETA PRINCIPAL DEL CÍRCULO
   ========================================================================== */
.card-main {
  background: var(--bg-card);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-card);
}

.wheel-hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: center;
}

@media (max-width: 960px) {
  .wheel-hero-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

/* ==========================================================================
   4. RUEDA VECTORIAL SVG
   ========================================================================== */
.circle-wrapper {
  position: relative;
  width: 100%;
  max-width: 520px;
  margin: 0 auto;
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

#circle-svg {
  width: 100%;
  height: 100%;
  overflow: visible;
  user-select: none;
  touch-action: manipulation;
}

/* Sectores y rutas */
.sector-slice {
  cursor: pointer;
  stroke: var(--wheel-stroke);
  stroke-width: 1.5px;
  transition: fill var(--transition-fast), stroke var(--transition-fast), stroke-width var(--transition-fast);
}

.slice-major {
  fill: var(--wheel-bg-major);
}

.slice-minor {
  fill: var(--wheel-bg-minor);
}

.sector-slice:hover {
  stroke: #ffffff;
  stroke-width: 2.5px;
}

/* Iluminación funcional de los sectores (sin transform: scale para no desfasar radios) */
.slice-major.active-tonic {
  fill: var(--color-tonic) !important;
  stroke: #ffffff !important;
  stroke-width: 3px !important;
  filter: url(#glow-gold);
}

.slice-minor.active-tonic {
  fill: #b45309 !important;
  stroke: #ffffff !important;
  stroke-width: 3px !important;
  filter: url(#glow-gold);
}

.slice-major.active-subdominant {
  fill: var(--color-subdominant) !important;
  stroke: #ffffff !important;
  stroke-width: 2.5px !important;
  filter: url(#glow-blue);
}

.slice-minor.active-subdominant {
  fill: #0369a1 !important;
  stroke: #ffffff !important;
  stroke-width: 2px !important;
  filter: url(#glow-blue);
}

.slice-major.active-dominant {
  fill: var(--color-dominant) !important;
  stroke: #ffffff !important;
  stroke-width: 2.5px !important;
  filter: url(#glow-blue);
}

.slice-minor.active-dominant {
  fill: #991b1b !important;
  stroke: #ffffff !important;
  stroke-width: 2px !important;
  filter: url(#glow-blue);
}

.slice-major.active-relative,
.slice-minor.active-relative {
  fill: var(--color-relative) !important;
  stroke: #ffffff !important;
  stroke-width: 2.5px !important;
  filter: url(#glow-purple);
}

/* Textos dentro de la rueda */
.sector-label {
  font-family: var(--font-heading);
  font-weight: 700;
  text-anchor: middle;
  dominant-baseline: central;
  pointer-events: none;
  user-select: none;
}

.label-major {
  font-size: 19px;
  fill: var(--wheel-text-major);
}

.label-minor {
  font-size: 13px;
  font-family: var(--font-mono);
  font-weight: 600;
  fill: var(--wheel-text-minor);
}

.sector-accidental {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  text-anchor: middle;
  dominant-baseline: central;
  fill: var(--wheel-accidental);
  pointer-events: none;
}

/* Núcleo central del círculo */
.circle-center-hub {
  fill: var(--bg-card-solid);
  stroke: var(--wheel-stroke);
  stroke-width: 2px;
}

.center-title {
  font-family: var(--font-heading);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-anchor: middle;
  fill: var(--text-muted);
}

.center-subtitle {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 800;
  text-anchor: middle;
  fill: var(--color-tonic);
}

/* ==========================================================================
   5. PANEL DE INFORMACIÓN ARMÓNICA (DERECHA DE LA RUEDA)
   ========================================================================== */
.wheel-info-panel {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.wheel-info-header {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.key-main-title {
  font-family: var(--font-heading);
  font-size: 2.1rem;
  font-weight: 800;
  line-height: 1.15;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.key-main-subtitle {
  font-size: 0.95rem;
  color: var(--text-muted);
}

/* Badges de armadura */
.armadura-bar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  padding: 0.85rem 1rem;
  background: rgba(0, 0, 0, 0.2);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-card);
}

.badge-armadura {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 0.3rem 0.65rem;
  border-radius: var(--radius-pill);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.badge-none { background: rgba(148, 163, 184, 0.2); color: #94a3b8; }
.badge-sharp { background: rgba(245, 158, 11, 0.2); color: #f59e0b; border: 1px solid rgba(245, 158, 11, 0.4); }
.badge-flat { background: rgba(56, 189, 248, 0.2); color: #38bdf8; border: 1px solid rgba(56, 189, 248, 0.4); }
.badge-both { background: rgba(168, 85, 247, 0.2); color: #a855f7; border: 1px solid rgba(168, 85, 247, 0.4); }

.accidentals-text {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text-main);
}

/* Escala de notas interactiva */
.scale-notes-container {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.scale-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.scale-notes-row {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.scale-note-pill {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 700;
  min-width: 44px;
  height: 44px;
  padding: 0 0.75rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card-solid);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
}

.scale-note-pill:hover,
.scale-note-pill.pulse {
  border-color: var(--color-tonic);
  background: var(--color-tonic-bg);
  color: var(--color-tonic);
}

.scale-note-pill.root-pill {
  background: var(--color-tonic);
  color: #090d16;
  border-color: var(--color-tonic);
}

/* Botonera de modos y opciones */
.mode-controls-bar {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 0.5rem;
}

.segmented-group {
  display: inline-flex;
  background: rgba(0, 0, 0, 0.25);
  padding: 3px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-card);
}

.btn-segmented {
  background: transparent;
  color: var(--text-muted);
  border: none;
  padding: 0.55rem 1.1rem;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  min-height: 40px;
}

.btn-segmented.active {
  background: var(--color-tonic);
  color: #090d16;
  box-shadow: 0 2px 8px rgba(245, 158, 11, 0.35);
}

.btn-action-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 1rem;
  background: var(--bg-card-solid);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  color: var(--text-main);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  min-height: 40px;
}

.btn-action-outline:hover {
  border-color: var(--border-focus);
}

.btn-action-outline.active {
  background: rgba(56, 189, 248, 0.18);
  border-color: var(--color-subdominant);
  color: var(--color-subdominant);
}

/* Audio controls */
.audio-quick-toolbar {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--border-card);
}

.btn-audio-mute {
  background: transparent;
  border: 1px solid var(--border-card);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  padding: 0.4rem 0.75rem;
  font-size: 0.8rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  cursor: pointer;
  min-height: 40px;
}

.btn-audio-mute.muted {
  color: #ef4444;
  border-color: rgba(239, 68, 68, 0.4);
}

.volume-slider-box {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.volume-slider-box input[type="range"] {
  width: 90px;
  accent-color: var(--color-tonic);
}

/* ==========================================================================
   6. CUADRÍCULA DE ACORDES DIATÓNICOS (GRADOS I A VII)
   ========================================================================== */
.section-title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.section-h2 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-main);
}

.section-lead {
  font-size: 0.95rem;
  color: var(--text-muted);
}

.diatonic-chords-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem;
}

.chord-card {
  background: var(--bg-card-solid);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 1.1rem 0.9rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.chord-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: transparent;
  transition: background var(--transition-fast);
}

.chord-card:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.25);
}

.chord-card.pulse-chord {
  border-color: var(--color-tonic);
  box-shadow: 0 0 16px var(--color-tonic-bg);
}

/* Funciones armónicas */
.chord-card.function-tonic::before { background: var(--color-tonic); }
.chord-card.function-subdominant::before { background: var(--color-subdominant); }
.chord-card.function-dominant::before { background: var(--color-dominant); }
.chord-card.function-relative::before { background: var(--color-relative); }
.chord-card.function-tonic-weak::before { background: #64748b; }
.chord-card.function-dominant-leading::before { background: #f43f5e; }

.chord-card-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.chord-degree {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-main);
}

.chord-function-badge {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
}

.chord-main-name {
  font-family: var(--font-mono);
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--text-main);
  margin: 0.15rem 0;
}

.chord-mode-label {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.chord-notes-chips {
  display: flex;
  gap: 0.25rem;
  margin-top: 0.25rem;
  flex-wrap: wrap;
}

.chord-note-chip {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.06);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--text-muted);
}

.btn-chord-play {
  margin-top: 0.5rem;
  width: 100%;
  min-height: 40px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-size: 0.82rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-chord-play:hover {
  background: var(--color-tonic-bg);
  border-color: var(--color-tonic);
  color: var(--color-tonic);
}

/* ==========================================================================
   7. REPRODUCTOR DE PROGRESIONES ARMÓNICAS
   ========================================================================== */
.progression-player-card {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.progression-controls-grid {
  display: grid;
  grid-template-columns: 2fr 1fr auto;
  gap: 1rem;
  align-items: center;
}

@media (max-width: 768px) {
  .progression-controls-grid {
    grid-template-columns: 1fr;
  }
}

.form-field-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.form-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* Select con flecha SVG y texto elíptico */
.app-select {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
  height: 44px;
  padding: 0 40px 0 1rem;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  background-color: var(--bg-card-solid);
  color: var(--text-main);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  cursor: pointer;
}

.app-select option {
  background-color: var(--bg-card-solid);
  color: var(--text-main);
}

.progression-steps-display {
  display: flex;
  gap: 0.75rem;
  overflow-x: auto;
  padding: 0.5rem 0;
}

.progression-step-box {
  min-width: 85px;
  flex: 1 1 0%;
  background: var(--bg-card-solid);
  border: 2px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 0.85rem 0.5rem;
  text-align: center;
  transition: all var(--transition-fast);
}

.progression-step-box.active-step {
  border-color: var(--color-accent);
  background: rgba(16, 185, 129, 0.15);
  box-shadow: 0 0 14px rgba(16, 185, 129, 0.4);
}

.step-num {
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-bottom: 0.2rem;
}

.step-degree {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-tonic);
}

.step-chord {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-main);
}

.player-action-buttons {
  display: flex;
  gap: 0.75rem;
}

.btn-play-primary {
  min-height: 44px;
  padding: 0 1.5rem;
  background: var(--color-accent);
  color: #062b1e;
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.35);
}

.btn-play-primary:hover {
  filter: brightness(1.1);
}

.btn-play-primary.playing {
  background: #f59e0b;
  color: #261601;
}

.btn-stop-secondary {
  min-height: 44px;
  padding: 0 1.2rem;
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  cursor: pointer;
}

.btn-stop-secondary:hover {
  border-color: #ef4444;
  color: #ef4444;
}

/* ==========================================================================
   8. ARMONÍA AVANZADA: DOMINANTES SECUNDARIOS Y PRÉSTAMOS
   ========================================================================== */
.advanced-harmony-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

@media (max-width: 840px) {
  .advanced-harmony-grid {
    grid-template-columns: 1fr;
  }
}

.harmony-subcards-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 0.75rem;
}

.harmony-subcard {
  background: var(--bg-card-solid);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem;
}

.harmony-subcard-top {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.3rem;
}

.harmony-badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  background: rgba(239, 68, 68, 0.16);
  color: #ef4444;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
}

.harmony-badge.badge-modal {
  background: rgba(168, 85, 247, 0.16);
  color: #a855f7;
}

.harmony-chord {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  color: var(--text-main);
}

.harmony-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ==========================================================================
   9. TRANSPORTADOR DE CANCIONES Y CEJILLA
   ========================================================================== */
.transposer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

@media (max-width: 840px) {
  .transposer-grid {
    grid-template-columns: 1fr;
  }
}

.transposer-box {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.app-textarea {
  width: 100%;
  min-height: 85px;
  background: var(--bg-card-solid);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--text-main);
  resize: vertical;
}

.transposed-output-box {
  min-height: 85px;
  background: rgba(0, 0, 0, 0.2);
  border: 1px dashed var(--border-card);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-tonic);
  display: flex;
  align-items: center;
  word-break: break-all;
}

.capo-badge-row {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.65rem 0.9rem;
  background: var(--bg-card-solid);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-sm);
  margin-bottom: 0.5rem;
}

.capo-fret-tag {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  background: var(--color-tonic-bg);
  color: var(--color-tonic);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
}

.capo-shape-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* ==========================================================================
   10. VISTA LIMPIA PARA IMPRESIÓN Y EXPORTACIÓN A4 (@media print)
   ========================================================================== */
#print-sheet {
  display: none;
}

@media print {
  body {
    background: #ffffff !important;
    color: #000000 !important;
  }

  .app-header,
  .tools-ad-banner-section,
  .tool-ad-sidebar,
  .card-main,
  .fijate-footer,
  .btn-print-wrapper {
    display: none !important;
  }

  #print-sheet {
    display: block !important;
    width: 100% !important;
    max-width: 210mm !important;
    margin: 0 auto !important;
    padding: 10mm !important;
    font-family: var(--font-sans) !important;
    color: #111827 !important;
  }

  .print-header {
    border-bottom: 2px solid #000;
    padding-bottom: 8px;
    margin-bottom: 16px;
  }

  .print-header h1 {
    font-family: var(--font-heading);
    font-size: 20pt;
    font-weight: 800;
    margin: 0;
  }

  .print-subtitle {
    font-size: 10pt;
    color: #4b5563;
    margin-top: 4px;
  }

  .print-meta-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    background: #f8fafc;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    padding: 10px;
    margin-bottom: 16px;
    font-size: 10pt;
  }

  .print-section-title {
    font-family: var(--font-heading);
    font-size: 13pt;
    font-weight: 700;
    margin: 14px 0 6px;
    border-bottom: 1px solid #e2e8f0;
    padding-bottom: 4px;
  }

  .print-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 14px;
    font-size: 9.5pt;
  }

  .print-table th,
  .print-table td {
    border: 1px solid #94a3b8;
    padding: 6px 8px;
    text-align: left;
  }

  .print-table th {
    background: #f1f5f9;
    font-weight: 700;
  }

  .print-two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .print-footer-legal {
    margin-top: 24px;
    border-top: 1px solid #cbd5e1;
    padding-top: 8px;
    font-size: 8pt;
    color: #64748b;
    text-align: center;
  }
}