/**
 * Fijate Tools - Estilos para el Conversor de medidas agrarias tradicionales de España
 * Sistema de diseño adaptable, tipografías corporativas y optimización móvil estricta.
 */

:root {
  /* Tipografías corporativas */
  --font-main: 'Inter', system-ui, -apple-system, sans-serif;
  --font-heading: 'Outfit', 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Paleta cromática agronómica - Modo claro por defecto */
  --bg-app: #f8fafc;
  --bg-card: #ffffff;
  --bg-card-subtle: #f1f5f9;
  --bg-input: #ffffff;
  --border-color: #e2e8f0;
  --border-color-focus: #10b981;

  --text-main: #0f172a;
  --text-muted: #475569;
  --text-dim: #64748b;

  --color-primary: #059669;
  --color-primary-hover: #047857;
  --color-primary-light: rgba(16, 185, 129, 0.12);

  --color-accent: #d97706;
  --color-accent-light: rgba(217, 119, 6, 0.12);

  --color-blue: #0284c7;
  --color-blue-light: rgba(2, 132, 199, 0.12);

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);

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

[data-theme="dark"] {
  --bg-app: #0b0f17;
  --bg-card: #111827;
  --bg-card-subtle: #1a2234;
  --bg-input: #0f172a;
  --border-color: #27354a;
  --border-color-focus: #10b981;

  --text-main: #f8fafc;
  --text-muted: #cbd5e1;
  --text-dim: #94a3b8;

  --color-primary: #10b981;
  --color-primary-hover: #34d399;
  --color-primary-light: rgba(16, 185, 129, 0.18);

  --color-accent: #f59e0b;
  --color-accent-light: rgba(245, 158, 11, 0.18);

  --color-blue: #38bdf8;
  --color-blue-light: rgba(56, 189, 248, 0.18);

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.35);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -4px rgba(0, 0, 0, 0.4);
}

/* Reset y estructura base */
*, *::before, *::after {
  box-sizing: border-box;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-app);
  color: var(--text-main);
  margin: 0;
  padding: 0;
  overflow-x: clip;
  width: 100%;
  max-width: 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6,
.brand-title,
.hero-title,
.section-title,
.diccionario-title,
.rendimiento-title,
.faq-section-title {
  font-family: var(--font-heading);
  letter-spacing: -0.015em;
  font-weight: 700;
  margin-top: 0;
}

.mono,
.stat-metric-val,
.rend-card-val,
.cruzada-val,
.scale-futbol-val,
.scale-item-badge,
code {
  font-family: var(--font-mono);
  font-feature-settings: "tnum" 1, "zero" 1;
}

.small-muted {
  font-size: 0.825rem;
  color: var(--text-muted);
  line-height: 1.45;
}

/* Suite nav strip */
.suite-nav-strip {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
  padding: 0.5rem 1rem;
  width: 100%;
  box-sizing: border-box;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.suite-nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 1rem;
  min-width: max-content;
}

.suite-nav-label {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.suite-links {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.suite-link-item {
  font-size: 0.825rem;
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: none;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-full);
  background: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  transition: all 0.2s ease;
  white-space: nowrap;
}

.suite-link-item:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.suite-link-item.active {
  background: var(--color-primary-light);
  color: var(--color-primary);
  border-color: var(--color-primary);
  font-weight: 600;
}

/* Layout principal */
.tool-layout {
  max-width: 1200px;
  margin: 1.5rem auto 3rem;
  padding: 0 1rem;
  width: 100%;
  box-sizing: border-box;
  flex: 1 0 auto;
}

.tool-with-sidebar {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  width: 100%;
  box-sizing: border-box;
}

.tool-main-content {
  flex: 1 1 0%;
  min-width: 0;
  max-width: 100%;
}

/* Tarjeta principal contenedora */
.card-main {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  width: 100%;
  box-sizing: border-box;
}

/* Hero header */
.hero-header {
  margin-bottom: 2rem;
}

.hero-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  margin-bottom: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.hero-title {
  font-size: 1.85rem;
  color: var(--text-main);
  line-height: 1.25;
  margin-bottom: 0.75rem;
}

.hero-subtitle {
  font-size: 0.975rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin: 0;
  max-width: 950px;
}

/* Tiras de pestañas de modo */
.tabs-mode-strip {
  display: flex;
  gap: 0.5rem;
  border-bottom: 2px solid var(--border-color);
  margin-bottom: 1.75rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  padding-bottom: 2px;
}

.mode-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  background: transparent;
  border: none;
  border-bottom: 3px solid transparent;
  color: var(--text-muted);
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s ease;
  margin-bottom: -2px;
}

.mode-tab-btn:hover {
  color: var(--color-primary);
}

.mode-tab-btn.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

/* Selector panel card */
.selector-panel-card {
  background: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin-bottom: 1.5rem;
}

.selector-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.comarcas-extra-box {
  margin-top: 1rem;
}

/* Formularios canónicos y controles táctiles */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  min-width: 0;
}

.form-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
}

.form-select {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  height: 44px;
  padding: 0 40px 0 0.85rem;
  font-family: var(--font-main);
  font-size: 0.925rem;
  font-weight: 500;
  color: var(--text-main);
  background-color: var(--bg-input);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-sm);
  outline: none;
  cursor: pointer;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
  appearance: none;
  -webkit-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='%2364748b' 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;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-select option {
  background-color: var(--bg-card);
  color: var(--text-main);
  padding: 8px;
}

.form-select:focus {
  border-color: var(--border-color-focus);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

/* Input unit wrapper */
.input-unit-wrapper {
  display: flex;
  align-items: center;
  position: relative;
  width: 100%;
  min-width: 0;
}

.form-input {
  flex: 1 1 0%;
  width: 0;
  min-width: 0;
  height: 44px;
  padding: 0 0.85rem;
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--text-main);
  background-color: var(--bg-input);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-input-lg {
  height: 52px;
  font-size: 1.25rem;
  font-weight: 600;
}

.form-input:focus {
  border-color: var(--border-color-focus);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.input-suffix-badge {
  position: absolute;
  right: 10px;
  padding: 0.25rem 0.5rem;
  background: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-dim);
  pointer-events: none;
}

/* Badge strip con información legal */
.medida-badge-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1rem;
  padding-top: 0.85rem;
  border-top: 1px dashed var(--border-color);
}

.badge-item {
  font-size: 0.825rem;
  color: var(--text-muted);
  background: var(--bg-card);
  padding: 0.3rem 0.65rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.badge-item strong {
  color: var(--color-primary);
}

/* Panel dual del conversor */
.converter-dual-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
  margin-bottom: 1.75rem;
}

.converter-box {
  background: var(--bg-card);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  position: relative;
}

.converter-box.traditional-box {
  border-color: rgba(16, 185, 129, 0.35);
  box-shadow: 0 4px 12px -2px rgba(16, 185, 129, 0.06);
}

.converter-box.metric-box {
  border-color: rgba(2, 132, 199, 0.35);
  box-shadow: 0 4px 12px -2px rgba(2, 132, 199, 0.06);
}

.box-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-color);
}

.box-icon-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.traditional-tag { color: var(--color-primary); }
.metric-tag { color: var(--color-blue); }

.box-tagline {
  font-size: 0.775rem;
  color: var(--text-dim);
}

/* Presets rápidos */
.presets-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.presets-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
}

.presets-buttons-wrap {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
}

.btn-preset-val {
  background: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.35rem 0.65rem;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s ease;
  min-height: 32px;
}

.btn-preset-val:hover {
  background: var(--color-primary-light);
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-preset-clear {
  color: #ef4444;
}

.btn-preset-clear:hover {
  background: rgba(239, 68, 68, 0.12);
  color: #dc2626;
  border-color: #ef4444;
}

/* Subunidades dinámicas */
.subunidades-wrapper {
  background: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 1rem;
}

.subunidades-title {
  display: block;
  font-size: 0.785rem;
  font-weight: 700;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 0.75rem;
}

.subunidades-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.subunidad-item-box {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.input-sub-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.775rem;
  font-weight: 600;
  color: var(--text-muted);
}

.sub-helper {
  font-family: var(--font-mono);
  color: var(--text-dim);
  font-size: 0.7rem;
}

.input-wrapper-sub {
  position: relative;
  display: flex;
  align-items: center;
}

.form-input-sub {
  height: 38px;
  font-size: 0.9rem;
  padding-right: 45px;
}

.input-sub-suffix {
  position: absolute;
  right: 8px;
  font-size: 0.7rem;
  color: var(--text-dim);
  pointer-events: none;
}

/* Desglose notarial */
.notarial-breakdown-box {
  background: rgba(16, 185, 129, 0.06);
  border: 1px solid rgba(16, 185, 129, 0.2);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
}

.breakdown-label {
  display: block;
  font-size: 0.725rem;
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
  margin-bottom: 0.25rem;
}

.breakdown-text {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-main);
  margin: 0;
  line-height: 1.4;
}

/* Fila dual métrica */
.metric-dual-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

/* Tarjetas métricas */
.metric-stats-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
  margin-top: auto;
}

.stat-metric-card {
  background: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.stat-metric-label {
  font-size: 0.725rem;
  font-weight: 600;
  color: var(--text-dim);
}

.stat-metric-val {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-blue);
  word-break: break-all;
}

/* Panel visual de escala */
.visual-scale-panel {
  background: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin-bottom: 2rem;
}

.scale-visual-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.scale-title {
  font-size: 1.15rem;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-main);
}

.btn-copy-action {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.5rem 0.95rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
  min-height: 40px;
}

.btn-copy-action:hover {
  background: var(--color-primary-light);
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.scale-cards-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.scale-item-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.scale-item-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.scale-item-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
}

.scale-item-badge {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-primary);
}

.scale-progress-bg {
  width: 100%;
  height: 10px;
  background: var(--bg-card-subtle);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.scale-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, #10b981, #059669);
  border-radius: var(--radius-full);
  transition: width 0.3s ease;
}

.scale-futbol-box {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.scale-futbol-val {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-main);
}

.scale-futbol-help {
  font-size: 0.775rem;
  color: var(--text-dim);
}

/* Cruzadas */
.cruzadas-section {
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
}

.cruzadas-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 0.85rem;
}

.cruzadas-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 0.75rem;
}

.cruzada-mini-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.cruzada-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.cruzada-region {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
}

.cruzada-m2 {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-dim);
}

.cruzada-val-box {
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
}

.cruzada-val {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main);
}

.cruzada-unit {
  font-size: 0.775rem;
  color: var(--text-muted);
}

/* MODO 2: RENDIMIENTO Y COSECHA */
.rendimiento-container {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.rendimiento-title {
  font-size: 1.35rem;
  color: var(--text-main);
  margin-bottom: 0.35rem;
}

.rendimiento-desc {
  font-size: 0.925rem;
  color: var(--text-muted);
  margin: 0;
  max-width: 900px;
}

.rendimiento-inputs-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  background: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
}

.rendimiento-results-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.rend-stat-card {
  background: var(--bg-card);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.rend-stat-card.primary-stat {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}

.rend-stat-card.revenue-stat {
  border-color: var(--color-accent);
  background: var(--color-accent-light);
}

.rend-card-label {
  font-size: 0.785rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-dim);
}

.rend-card-val {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.2;
}

.primary-stat .rend-card-val { color: var(--color-primary); }
.revenue-stat .rend-card-val { color: var(--color-accent); }

.rend-card-sub {
  font-size: 0.775rem;
  color: var(--text-muted);
}

/* MODO 3: DICCIONARIO HISTÓRICO */
.diccionario-container {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.diccionario-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.diccionario-title {
  font-size: 1.35rem;
  color: var(--text-main);
  margin-bottom: 0.35rem;
}

.diccionario-desc {
  font-size: 0.925rem;
  color: var(--text-muted);
  margin: 0;
  max-width: 650px;
}

.search-box-wrapper {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  min-width: 280px;
  flex: 1 1 300px;
}

.search-input {
  width: 100%;
}

.count-badge {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-primary);
  text-align: right;
}

.tabla-responsive-wrapper {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
}

.tabla-historica-agraria {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
  text-align: left;
}

.tabla-historica-agraria th {
  background: var(--bg-card-subtle);
  color: var(--text-muted);
  font-weight: 700;
  padding: 0.85rem 1rem;
  border-bottom: 2px solid var(--border-color);
  white-space: nowrap;
}

.tabla-historica-agraria td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-main);
}

.tabla-historica-agraria tr:last-child td {
  border-bottom: none;
}

.tabla-historica-agraria tr:hover td {
  background-color: var(--color-primary-light);
}

.sub-comarca-text {
  display: block;
  font-size: 0.75rem;
  color: var(--text-dim);
}

.region-pill {
  display: inline-block;
  font-size: 0.725rem;
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.btn-cargar-medida {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--color-primary);
  font-family: var(--font-heading);
  font-size: 0.785rem;
  font-weight: 700;
  padding: 0.35rem 0.75rem;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
  min-height: 32px;
}

.btn-cargar-medida:hover {
  background: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
}

/* Guía jurídica para escrituras */
.legal-guide-section {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
}

.guide-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
  margin-top: 1.25rem;
}

.guide-card {
  background: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.guide-card-icon {
  font-size: 1.5rem;
}

.guide-card-title {
  font-size: 0.975rem;
  color: var(--text-main);
  margin: 0;
}

.guide-card-text {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin: 0;
}

/* FAQ Section */
.faq-section {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
}

.faq-section-title {
  font-size: 1.35rem;
  color: var(--text-main);
  margin-bottom: 1.25rem;
}

.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.faq-item {
  background: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: border-color 0.2s ease;
}

.faq-item[open] {
  border-color: var(--color-primary);
}

.faq-question {
  padding: 1rem 1.25rem;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-main);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  list-style: none;
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-icon {
  color: var(--text-dim);
  transition: transform 0.2s ease;
  flex-shrink: 0;
}

.faq-item[open] .faq-icon {
  transform: rotate(180deg);
  color: var(--color-primary);
}

.faq-answer {
  padding: 0 1.25rem 1.25rem;
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.faq-answer p {
  margin: 0;
}

/* Modal accesible canónico */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(11, 15, 23, 0.7);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  z-index: 9999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  width: 100%;
  max-width: 480px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  transform: scale(0.95);
  transition: transform 0.2s ease;
}

.modal-overlay.active .modal-card {
  transform: scale(1);
}

.modal-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-color);
}

.modal-title {
  font-size: 1.1rem;
  margin: 0;
  color: var(--text-main);
}

.modal-btn-close {
  background: transparent;
  border: none;
  font-size: 1.5rem;
  color: var(--text-dim);
  cursor: pointer;
  line-height: 1;
  padding: 0;
}

.modal-btn-close:hover {
  color: var(--text-main);
}

.modal-card-body {
  padding: 1.25rem;
}

.modal-text {
  font-size: 0.925rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin: 0;
  white-space: pre-line;
}

.modal-card-footer {
  display: flex;
  justify-content: flex-end;
  padding: 0.85rem 1.25rem;
  border-top: 1px solid var(--border-color);
  background: var(--bg-card-subtle);
}

.btn-modal-primary {
  background: var(--color-primary);
  color: #ffffff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 0.5rem 1.25rem;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  min-height: 40px;
  transition: background 0.15s ease;
}

.btn-modal-primary:hover {
  background: var(--color-primary-hover);
}

/* RESPONSIVE DESIGN (Móvil y Tablet) */
@media (max-width: 992px) {
  .converter-dual-grid {
    grid-template-columns: 1fr;
  }

  .rendimiento-results-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .guide-cards-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .card-main {
    padding: 1.25rem;
  }

  .hero-title {
    font-size: 1.5rem;
  }

  .selector-grid {
    grid-template-columns: 1fr;
  }

  .subunidades-grid {
    grid-template-columns: 1fr;
  }

  .metric-stats-cards-grid {
    grid-template-columns: 1fr;
  }

  .scale-cards-grid {
    grid-template-columns: 1fr;
  }

  .rendimiento-inputs-grid {
    grid-template-columns: 1fr;
  }

  .rendimiento-results-cards {
    grid-template-columns: 1fr;
  }

  .form-input-lg {
    height: 46px;
    font-size: 1.1rem;
  }

  .btn-copy-action {
    width: 100%;
    justify-content: center;
  }

  .cruzadas-cards-grid {
    grid-template-columns: 1fr;
  }
}