/* ==========================================================================
   Guía interactiva para quitar manchas - Estilos canónicos
   ========================================================================== */

:root {
  --bg-primary: #0b0f17;
  --bg-card: #131b26;
  --bg-card-hover: #192433;
  --bg-card-subtle: #172130;
  --border-color: #243247;
  --border-color-focus: #3b82f6;

  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --accent-color: #3b82f6;
  --accent-hover: #2563eb;
  --accent-light: rgba(59, 130, 246, 0.12);

  --danger-color: #ef4444;
  --danger-bg: rgba(239, 68, 68, 0.08);
  --danger-border: rgba(239, 68, 68, 0.25);

  --warn-color: #f59e0b;
  --warn-bg: rgba(245, 158, 11, 0.08);
  --warn-border: rgba(245, 158, 11, 0.25);

  --success-color: #10b981;
  --success-bg: rgba(16, 185, 129, 0.08);
  --success-border: rgba(16, 185, 129, 0.25);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-full: 9999px;

  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.4);
}

[data-theme="light"],
body.light-theme {
  --bg-primary: #f8fafc;
  --bg-card: #ffffff;
  --bg-card-hover: #f1f5f9;
  --bg-card-subtle: #f8fafc;
  --border-color: #e2e8f0;
  --border-color-focus: #2563eb;

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;

  --accent-color: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-light: rgba(37, 99, 235, 0.08);

  --danger-color: #dc2626;
  --danger-bg: #fef2f2;
  --danger-border: #fecaca;

  --warn-color: #d97706;
  --warn-bg: #fffbeb;
  --warn-border: #fde68a;

  --success-color: #059669;
  --success-bg: #ecfdf5;
  --success-border: #a7f3d0;

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

/* Base y contención */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  overflow-x: clip;
  width: 100%;
  max-width: 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  color: var(--text-primary);
}

.tool-layout {
  max-width: 1200px;
  margin: 1.5rem auto 3rem;
  padding: 0 1rem;
  width: 100%;
  flex: 1;
}

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

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

/* Hero y Buscador Rápido */
.tool-hero-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
  background: var(--accent-light);
  color: var(--accent-color);
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.hero-title {
  font-size: 1.75rem;
  line-height: 1.25;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

.hero-desc {
  color: var(--text-secondary);
  font-size: 0.96rem;
  line-height: 1.55;
  max-width: 820px;
  margin-bottom: 1.25rem;
}

.quick-search-wrapper {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.search-input-box {
  position: relative;
  width: 100%;
}

.search-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

.search-input-box input {
  width: 100%;
  height: 48px;
  padding: 0 2.75rem 0 2.75rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background: var(--bg-card-subtle);
  color: var(--text-primary);
  font-size: 0.95rem;
  font-family: inherit;
  transition: all 0.2s ease;
}

.search-input-box input:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px var(--accent-light);
}

.btn-clear-search {
  position: absolute;
  right: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.35rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-clear-search:hover {
  color: var(--text-primary);
  background: var(--bg-card-hover);
}

/* Pastillas de Categorías */
.category-pills-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 0.25rem;
}

.category-pill {
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
  background: var(--bg-card-subtle);
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  white-space: nowrap;
  cursor: pointer;
  transition: all 0.15s ease;
  min-height: 36px;
  display: inline-flex;
  align-items: center;
}

.category-pill:hover {
  border-color: var(--accent-color);
  color: var(--text-primary);
}

.category-pill.active {
  background: var(--accent-color);
  border-color: var(--accent-color);
  color: #ffffff;
  font-weight: 600;
}

/* Workspace en 2 columnas */
.stains-workspace {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

@media (max-width: 960px) {
  .stains-workspace {
    grid-template-columns: 1fr;
  }
}

/* Columna Izquierda: Selectores */
.workspace-col-selectors {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.selector-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.35rem;
  box-shadow: var(--shadow-sm);
}

.selector-card-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.step-badge {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent-light);
  color: var(--accent-color);
  font-weight: 700;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-family: 'JetBrains Mono', monospace;
}

.step-title {
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.2;
}

.step-subtitle {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* Parrilla de manchas sin scroll interno */
.stains-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 0.6rem;
}

.stain-btn-card {
  background: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.7rem 0.5rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.15s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  min-height: 76px;
  justify-content: center;
}

.stain-btn-card:hover {
  border-color: var(--accent-color);
  background: var(--bg-card-hover);
  transform: translateY(-1px);
}

.stain-btn-card.active {
  border-color: var(--accent-color);
  background: var(--accent-light);
  box-shadow: 0 0 0 1px var(--accent-color);
}

.stain-card-icon {
  font-size: 1.4rem;
  line-height: 1;
}

.stain-card-name {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.2;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Select de Soporte / Tejido */
.form-group-field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

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

.canonical-select {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  height: 46px;
  padding: 0 2.5rem 0 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background-color: var(--bg-card-subtle);
  color: var(--text-primary);
  font-size: 0.92rem;
  font-family: inherit;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
  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'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  cursor: pointer;
}

.canonical-select option,
.canonical-select optgroup {
  background-color: var(--bg-card);
  color: var(--text-primary);
}

.canonical-select:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px var(--accent-light);
}

.fabric-desc-chip {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.5rem;
  padding: 0.5rem 0.75rem;
  background: var(--bg-card-subtle);
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.badge-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-sm);
  background: var(--border-color);
  color: var(--text-primary);
  white-space: nowrap;
}

/* Estado de la mancha (Fresca / Seca) */
.state-toggle-group {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.state-toggle-option {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: var(--bg-card-subtle);
  cursor: pointer;
  transition: all 0.15s ease;
  min-height: 48px;
}

.state-toggle-option input {
  display: none;
}

.state-toggle-option:hover {
  border-color: var(--accent-color);
  background: var(--bg-card-hover);
}

.state-toggle-option.active {
  border-color: var(--accent-color);
  background: var(--accent-light);
  box-shadow: 0 0 0 1px var(--accent-color);
}

.state-icon {
  font-size: 1.2rem;
  flex-shrink: 0;
}

.state-text {
  display: flex;
  flex-direction: column;
}

.state-text strong {
  font-size: 0.88rem;
  color: var(--text-primary);
}

.state-text small {
  font-size: 0.74rem;
  color: var(--text-muted);
}

/* Columna Derecha: Tarjeta de Solución */
.result-solution-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  position: sticky;
  top: 1.5rem;
}

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

.solution-category-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent-color);
  margin-bottom: 0.25rem;
}

.solution-main-title {
  font-size: 1.35rem;
  line-height: 1.25;
}

.solution-subtitle {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.solution-difficulty-badge {
  background: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  padding: 0.35rem 0.7rem;
  border-radius: var(--radius-md);
  font-size: 0.8rem;
  text-align: right;
  flex-shrink: 0;
}

.solution-difficulty-badge span {
  display: block;
  font-size: 0.7rem;
  color: var(--text-muted);
}

.solution-difficulty-badge strong {
  color: var(--accent-color);
}

/* Alerta Roja de Prohibición */
.danger-warning-box {
  display: flex;
  gap: 0.85rem;
  background: var(--danger-bg);
  border: 1px solid var(--danger-border);
  border-radius: var(--radius-md);
  padding: 1rem;
}

.danger-icon-circle {
  color: var(--danger-color);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.danger-title {
  font-size: 0.95rem;
  color: var(--danger-color);
  margin-bottom: 0.2rem;
}

.danger-desc {
  font-size: 0.88rem;
  color: var(--text-primary);
  line-height: 1.45;
}

/* Caja de Acción Inmediata */
.emergency-action-box {
  background: var(--warn-bg);
  border: 1px solid var(--warn-border);
  border-radius: var(--radius-md);
  padding: 0.9rem 1rem;
}

.emergency-header {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--warn-color);
  margin-bottom: 0.35rem;
}

.emergency-text {
  font-size: 0.88rem;
  color: var(--text-primary);
  line-height: 1.45;
}

/* Productos Requeridos */
.section-micro-title {
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.6rem;
}

.products-chips-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  list-style: none;
}

.product-chip {
  background: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  padding: 0.3rem 0.75rem;
  font-size: 0.82rem;
  color: var(--text-primary);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

/* Timeline Paso a Paso */
.steps-timeline {
  list-style: none;
  position: relative;
  padding-left: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.steps-timeline::before {
  content: '';
  position: absolute;
  left: 0.6rem;
  top: 0.5rem;
  bottom: 0.5rem;
  width: 2px;
  background: var(--border-color);
}

.step-item {
  position: relative;
  font-size: 0.9rem;
  line-height: 1.45;
  color: var(--text-primary);
}

.step-item::before {
  content: attr(data-step);
  position: absolute;
  left: -1.75rem;
  top: 0;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent-color);
  color: #ffffff;
  font-size: 0.72rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'JetBrains Mono', monospace;
}

/* Temporizador Interactivo */
.timer-interactive-card {
  background: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.15rem;
}

.timer-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.timer-badge {
  display: inline-block;
  font-size: 0.72rem;
  color: var(--accent-color);
  font-weight: 600;
  text-transform: uppercase;
}

.timer-title {
  font-size: 0.95rem;
}

.timer-clock-display {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.timer-progress-track {
  width: 100%;
  height: 6px;
  background: var(--border-color);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-bottom: 0.85rem;
}

.timer-progress-fill {
  height: 100%;
  background: var(--accent-color);
  border-radius: var(--radius-full);
  transition: width 1s linear;
}

.timer-actions-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.btn-timer-primary {
  height: 40px;
  padding: 0 1.1rem;
  border-radius: var(--radius-md);
  background: var(--accent-color);
  border: none;
  color: #ffffff;
  font-weight: 600;
  font-size: 0.88rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: background 0.15s ease;
}

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

.btn-timer-secondary {
  height: 40px;
  padding: 0 0.85rem;
  border-radius: var(--radius-md);
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 0.85rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.btn-timer-secondary:hover {
  color: var(--text-primary);
  border-color: var(--text-muted);
}

.timer-preset-btns {
  margin-left: auto;
  display: flex;
  gap: 0.35rem;
}

.btn-preset-chip {
  padding: 0.25rem 0.55rem;
  border-radius: var(--radius-sm);
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 0.75rem;
  cursor: pointer;
}

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

/* Lavado Posterior */
.wash-recommendation-box {
  display: flex;
  gap: 0.75rem;
  background: var(--bg-card-subtle);
  border-radius: var(--radius-md);
  padding: 0.85rem;
}

.wash-rec-icon {
  color: var(--accent-color);
  flex-shrink: 0;
  padding-top: 0.1rem;
}

.wash-rec-title {
  font-size: 0.9rem;
  margin-bottom: 0.2rem;
}

.wash-rec-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.45;
}

/* Barra de Botones Copiar / Imprimir */
.result-footer-tools {
  display: flex;
  gap: 0.6rem;
  border-top: 1px solid var(--border-color);
  padding-top: 1rem;
}

.btn-action-tool {
  flex: 1;
  height: 42px;
  border-radius: var(--radius-md);
  background: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  transition: all 0.15s ease;
}

.btn-action-tool:hover {
  border-color: var(--accent-color);
  background: var(--bg-card-hover);
}

/* Toast Notificación */
.toast-notice {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 9999;
  background: #1e293b;
  color: #ffffff;
  border: 1px solid #334155;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.88rem;
  font-weight: 500;
}

/* Guía SEO y Artículos */
.seo-guide-section {
  margin-top: 3rem;
  border-top: 1px solid var(--border-color);
  padding-top: 2.5rem;
}

.seo-guide-header {
  margin-bottom: 1.75rem;
}

.seo-guide-main-title {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.seo-guide-main-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  max-width: 800px;
}

.seo-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.seo-article-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
}

.seo-card-icon-box {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  background: var(--accent-light);
  color: var(--accent-color);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

.seo-card-icon-box.danger-accent {
  background: var(--danger-bg);
  color: var(--danger-color);
}

.seo-card-title {
  font-size: 1.15rem;
  margin-bottom: 0.65rem;
}

.seo-bullet-list {
  list-style: disc;
  padding-left: 1.25rem;
  margin-top: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.seo-bullet-list strong {
  color: var(--text-primary);
}

/* Tabla Didáctica */
.seo-table-container {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
}

.seo-table-title {
  font-size: 1.15rem;
  margin-bottom: 1rem;
}

.table-responsive {
  width: 100%;
  overflow-x: auto;
}

.canonical-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
  text-align: left;
}

.canonical-table th,
.canonical-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-color);
}

.canonical-table th {
  background: var(--bg-card-subtle);
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.status-badge {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 700;
}

.status-badge.ok {
  background: var(--success-bg);
  color: var(--success-color);
}

.status-badge.warn {
  background: var(--warn-bg);
  color: var(--warn-color);
}

.status-badge.no {
  background: var(--danger-bg);
  color: var(--danger-color);
}

/* Estilos de Impresión */
@media print {
  body {
    background: #ffffff !important;
    color: #000000 !important;
  }

  .app-header,
  .tools-ad-banner-section,
  .tool-ad-sidebar,
  .quick-search-wrapper,
  .workspace-col-selectors,
  .timer-interactive-card,
  .result-footer-tools,
  .seo-guide-section,
  .fijate-footer {
    display: none !important;
  }

  .tool-layout {
    max-width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
  }

  .stains-workspace {
    display: block !important;
  }

  .result-solution-card {
    border: none !important;
    box-shadow: none !important;
    padding: 0 !important;
  }

  .danger-warning-box {
    border: 2px solid #dc2626 !important;
  }
}