/* Estilos específicos - Calculadora de proporción y volumen de resina epoxi */

:root {
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-heading: 'Outfit', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Colores tema claro */
  --bg-app: #f8fafc;
  --bg-card: #ffffff;
  --bg-card-sub: #f1f5f9;
  --border-color: #e2e8f0;
  --border-focus: #0284c7;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --text-dim: #94a3b8;
  --primary: #0284c7;
  --primary-hover: #0369a1;
  --primary-light: #e0f2fe;
  --accent-wood: #b45309;
  --accent-wood-bg: #fef3c7;
  --success: #16a34a;
  --success-bg: #dcfce7;
  --warning: #d97706;
  --warning-bg: #fef3c7;
  --danger: #dc2626;
  --danger-bg: #fee2e2;

  /* Resina epoxi río */
  --river-blue: #0284c7;
  --wood-grain: #78350f;
  --wood-grain-light: #92400e;

  /* Radios y sombras */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 18px;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 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, 0.03);
}

/* Modo oscuro corporativo */
[data-theme="dark"] {
  --bg-app: #0b0f17;
  --bg-card: #111827;
  --bg-card-sub: #1e293b;
  --border-color: #334155;
  --border-focus: #38bdf8;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --primary: #38bdf8;
  --primary-hover: #0284c7;
  --primary-light: rgba(56, 189, 248, 0.15);
  --accent-wood: #f59e0b;
  --accent-wood-bg: rgba(245, 158, 11, 0.15);
  --success: #4ade80;
  --success-bg: rgba(74, 222, 128, 0.15);
  --warning: #fbbf24;
  --warning-bg: rgba(251, 191, 36, 0.15);
  --danger: #f87171;
  --danger-bg: rgba(248, 113, 113, 0.15);
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
}

/* Reset y layout básico */
*, *::before, *::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-main);
  background-color: var(--bg-app);
  color: var(--text-main);
  line-height: 1.5;
  overflow-x: clip;
  width: 100%;
  max-width: 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.text-mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

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

/* Tarjeta principal */
.tool-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  margin-bottom: 2rem;
}

/* Barra de pestañas de proyectos */
.project-modes-bar {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding-bottom: 0.75rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-color);
  scrollbar-width: thin;
}

.mode-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1rem;
  min-height: 42px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background-color: var(--bg-card-sub);
  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;
}

.mode-tab-btn:hover {
  background-color: var(--bg-card);
  color: var(--text-main);
  border-color: var(--primary);
}

.mode-tab-btn.active {
  background-color: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
  box-shadow: 0 2px 8px rgba(2, 132, 199, 0.35);
}

/* Grid de dos columnas */
.calculator-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 1.75rem;
}

@media (max-width: 992px) {
  .calculator-grid {
    grid-template-columns: 1fr;
  }
}

/* Tarjetas de configuración */
.config-section-card {
  background-color: var(--bg-card-sub);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  margin-bottom: 1.25rem;
}

.config-section-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 1rem 0;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
}

.config-section-title svg {
  color: var(--primary);
}

/* Paneles de geometría */
.geom-panel {
  display: none;
}

.geom-panel.active {
  display: block;
}

/* Form layout */
.form-row-tri {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}

.form-row-duo {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

@media (max-width: 600px) {
  .form-row-tri,
  .form-row-duo {
    grid-template-columns: 1fr;
  }
}

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

.form-group label {
  font-size: 0.825rem;
  font-weight: 600;
  color: var(--text-muted);
}

.form-control {
  width: 100%;
  min-height: 42px;
  padding: 0.5rem 0.75rem;
  font-family: var(--font-main);
  font-size: 0.95rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background-color: var(--bg-card);
  color: var(--text-main);
  outline: none;
  box-sizing: border-box;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

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

select.form-control {
  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 0.75rem center;
  background-size: 16px;
  padding-right: 2.5rem;
  cursor: pointer;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
}

[data-theme="dark"] select.form-control option {
  background-color: #1e293b;
  color: #f8fafc;
}

/* Sliders y badges */
.label-with-badge {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.badge-accent {
  background-color: var(--primary-light);
  color: var(--primary);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
}

.range-slider {
  width: 100%;
  accent-color: var(--primary);
  cursor: pointer;
  height: 6px;
  margin: 0.5rem 0;
}

.range-markers {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
}

.btn-chip {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.25rem 0.5rem;
  font-size: 0.75rem;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-chip:hover {
  border-color: var(--primary);
  color: var(--text-main);
}

.btn-chip.active {
  background-color: var(--primary-light);
  border-color: var(--primary);
  color: var(--primary);
  font-weight: 600;
}

/* Selector de paleta de colores de resina */
.color-palette-selector {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
}

@media (max-width: 600px) {
  .color-palette-selector {
    grid-template-columns: repeat(2, 1fr);
  }
}

.color-chip-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.6rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.15s ease;
  min-height: 40px;
}

.color-chip-btn:hover {
  border-color: var(--primary);
}

.color-chip-btn.active {
  border-color: var(--primary);
  background-color: var(--primary-light);
  font-weight: 600;
}

.color-preview {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  flex-shrink: 0;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.effect-summary-box {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.75rem;
  font-size: 0.85rem;
  color: var(--text-main);
  font-weight: 500;
  min-height: 42px;
  display: flex;
  align-items: center;
}

/* Columna derecha: Tarjeta Hero de resultados */
.results-hero-card {
  background: linear-gradient(145deg, var(--bg-card), var(--bg-card-sub));
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
  margin-bottom: 1.5rem;
}

.hero-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.hero-badge {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.hero-indicator {
  background-color: var(--primary-light);
  color: var(--primary);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
}

.hero-metrics-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.hero-kpi-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem;
  display: flex;
  flex-direction: column;
}

.kpi-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
}

.kpi-val-group {
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
}

.kpi-number {
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}

.kpi-unit {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-muted);
}

.kpi-subtext {
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-top: 0.35rem;
  font-family: var(--font-mono);
}

/* Dosificación de componentes */
.components-dosage-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem;
  margin-bottom: 1.25rem;
}

.components-title {
  margin: 0 0 0.75rem 0;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
}

.component-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-sm);
  background-color: var(--bg-card-sub);
  margin-bottom: 0.5rem;
  border-left: 4px solid var(--primary);
}

.component-card.comp-a {
  border-left-color: #0284c7;
}

.component-card.comp-b {
  border-left-color: #0d9488;
}

.component-card.comp-pigment {
  border-left-color: #f59e0b;
  margin-bottom: 0;
}

.comp-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.comp-badge {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  background-color: var(--border-color);
  color: var(--text-main);
}

.comp-name {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-main);
}

.comp-pct {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.comp-values {
  text-align: right;
  display: flex;
  flex-direction: column;
}

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

.comp-alt {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Asesor térmico exotérmico */
.exothermic-advisor-box {
  display: flex;
  gap: 0.85rem;
  padding: 0.9rem;
  border-radius: var(--radius-md);
  margin-bottom: 1.25rem;
  background-color: var(--success-bg);
  border: 1px solid rgba(22, 163, 74, 0.25);
  transition: all 0.2s ease;
}

.exothermic-advisor-box.warning {
  background-color: var(--warning-bg);
  border-color: rgba(217, 119, 6, 0.3);
}

.exothermic-advisor-box.danger {
  background-color: var(--danger-bg);
  border-color: rgba(220, 38, 38, 0.35);
}

.advisor-icon-area {
  flex-shrink: 0;
  color: var(--success);
  margin-top: 2px;
}

.exothermic-advisor-box.warning .advisor-icon-area {
  color: var(--warning);
}

.exothermic-advisor-box.danger .advisor-icon-area {
  color: var(--danger);
}

.advisor-title {
  margin: 0 0 0.2rem 0;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-main);
}

.advisor-desc {
  margin: 0;
  font-size: 0.825rem;
  color: var(--text-muted);
  line-height: 1.4;
}

/* Coste y barra de resumen */
.cost-summary-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.65rem 0.85rem;
  background: var(--bg-card);
  border: 1px dashed var(--border-color);
  border-radius: var(--radius-sm);
  margin-bottom: 1.25rem;
  font-size: 0.85rem;
}

.cost-label {
  color: var(--text-muted);
  font-weight: 600;
}

.cost-value {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--primary);
}

.cost-breakdown {
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* Botones de acción */
.actions-group {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 0.75rem;
}

@media (max-width: 600px) {
  .actions-group {
    grid-template-columns: 1fr;
  }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 44px;
  padding: 0.65rem 1rem;
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.15s ease;
  border: 1px solid transparent;
}

.btn-primary {
  background-color: var(--primary);
  color: #ffffff;
  box-shadow: 0 2px 6px rgba(2, 132, 199, 0.3);
}

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

.btn-secondary {
  background-color: var(--bg-card);
  color: var(--text-main);
  border-color: var(--border-color);
}

.btn-secondary:hover {
  background-color: var(--bg-card-sub);
  border-color: var(--text-muted);
}

/* Tarjeta interactiva SVG */
.interactive-preview-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
}

.preview-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.85rem;
}

.preview-title {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  margin: 0;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
}

.preview-title svg {
  color: var(--primary);
}

.view-toggle-pills {
  display: flex;
  gap: 0.35rem;
  background-color: var(--bg-card-sub);
  padding: 0.2rem;
  border-radius: var(--radius-sm);
}

.pill-btn {
  background: transparent;
  border: none;
  padding: 0.35rem 0.65rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.15s ease;
}

.pill-btn.active {
  background: var(--bg-card);
  color: var(--text-main);
  box-shadow: var(--shadow-sm);
}

.svg-container {
  width: 100%;
  background-color: #090d16;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  min-height: 240px;
  display: flex;
  align-items: center;
  justify-content: center;
}

#schematic-svg {
  width: 100%;
  height: auto;
  max-height: 320px;
  display: block;
}

.preview-legend {
  display: flex;
  justify-content: center;
  gap: 1.25rem;
  margin-top: 0.75rem;
  font-size: 0.75rem;
  color: var(--text-muted);
  flex-wrap: wrap;
}

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.wood-dot {
  background-color: #b45309;
}

.resin-dot {
  background-color: var(--river-blue);
}

.mold-dot {
  background-color: #64748b;
}

/* Modales accesibles */
.app-modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(11, 15, 23, 0.75);
  backdrop-filter: blur(4px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.app-modal-dialog {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  max-width: 640px;
  width: 100%;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.4);
  animation: modalScaleIn 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.app-modal-sm {
  max-width: 440px;
}

@keyframes modalScaleIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.app-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
}

.modal-title-wrap {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.modal-title-wrap svg {
  color: var(--primary);
}

.modal-title-wrap h3 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main);
}

.btn-close-modal {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.35rem;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.app-modal-body {
  padding: 1.5rem;
  overflow-y: auto;
  font-size: 0.9rem;
  color: var(--text-main);
  line-height: 1.6;
}

.app-modal-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
}

/* Contenido de la receta de taller */
.recipe-step-item {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.recipe-step-num {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.recipe-step-text strong {
  color: var(--text-main);
}

.recipe-highlight-box {
  background-color: var(--bg-card-sub);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.85rem;
  margin: 1rem 0;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

/* Acordeón SEO y FAQ */
.seo-faq-section {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 1.75rem;
  margin-top: 2rem;
  box-shadow: var(--shadow-sm);
}

.seo-section-title {
  margin: 0 0 1.25rem 0;
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-main);
}

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

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

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

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

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

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

.faq-answer {
  padding: 0 1.25rem 1.25rem 1.25rem;
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

.faq-answer p {
  margin: 0;
}

/* Responsive utilities */
.mt-3 {
  margin-top: 0.75rem;
}