/* ==========================================================================
   Fijate Tools - Detector de Reduflación y Comparador de Engaños del Súper
   Estilos Canónicos Corporativos (Inter, Outfit, JetBrains Mono)
   ========================================================================== */

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

  /* Colores Tema Claro */
  --bg-page: #f8fafc;
  --bg-card: #ffffff;
  --bg-card-subtle: #f1f5f9;
  --bg-input: #ffffff;
  --border-color: #e2e8f0;
  --border-focus: #3b82f6;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --text-subtle: #475569;
  
  --accent-primary: #2563eb;
  --accent-primary-hover: #1d4ed8;
  --accent-red: #dc2626;
  --accent-red-bg: #fef2f2;
  --accent-amber: #d97706;
  --accent-amber-bg: #fffbeb;
  --accent-green: #16a34a;
  --accent-green-bg: #f0fdf4;
  --accent-blue: #0284c7;

  --shadow-sm: 0 1px 3px 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, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.03);
}

[data-theme="dark"] {
  --bg-page: #0b0f17;
  --bg-card: #111827;
  --bg-card-subtle: #1e293b;
  --bg-input: #1a2234;
  --border-color: #2e384d;
  --border-focus: #60a5fa;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-subtle: #cbd5e1;

  --accent-primary: #3b82f6;
  --accent-primary-hover: #60a5fa;
  --accent-red: #f87171;
  --accent-red-bg: rgba(239, 68, 68, 0.15);
  --accent-amber: #fbbf24;
  --accent-amber-bg: rgba(245, 158, 11, 0.15);
  --accent-green: #34d399;
  --accent-green-bg: rgba(16, 185, 129, 0.15);
  --accent-blue: #38bdf8;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 20px -3px rgba(0, 0, 0, 0.5);
}

/* --- Resets y contención obligatoria --- */
*, *::before, *::after {
  box-sizing: border-box;
}

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

h1, h2, h3, h4, h5, h6,
.brand-title,
.section-title,
.hero-title,
.faq-section-title {
  font-family: var(--font-heading);
}

.mono, code, .text-mono {
  font-family: var(--font-mono);
}

/* --- Layout de la herramienta --- */
.tool-layout {
  max-width: 1200px;
  width: 100%;
  margin: 1.5rem auto 3rem;
  padding: 0 1rem;
}

.tool-with-sidebar {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
}

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

/* --- Tarjetas principales y contenedores --- */
.card-main {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 2rem;
  overflow: hidden;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

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

.card-header-title {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--text-main);
}

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

/* --- Selector de modos / Pestañas principales --- */
.mode-tabs-nav {
  display: flex;
  gap: 0.5rem;
  background-color: var(--bg-card-subtle);
  padding: 0.35rem;
  border-radius: 10px;
  margin-bottom: 1.25rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.mode-tab-btn {
  flex: 1 1 auto;
  min-width: 140px;
  min-height: 40px;
  padding: 0.6rem 0.85rem;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-subtle);
  font-family: var(--font-heading);
  font-size: 0.92rem;
  font-weight: 600;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.mode-tab-btn:hover {
  color: var(--text-main);
  background-color: rgba(255, 255, 255, 0.08);
}

.mode-tab-btn.active {
  background-color: var(--bg-card);
  color: var(--accent-primary);
  border-color: var(--border-color);
  box-shadow: var(--shadow-sm);
}

.tab-pane {
  display: none;
}

.tab-pane.active {
  display: block;
}

/* --- Presets rápidos de supermercado --- */
.presets-strip {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.06), rgba(16, 185, 129, 0.06));
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1rem;
  margin-bottom: 1.5rem;
}

.presets-strip-header {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-subtle);
  margin-bottom: 0.65rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.presets-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.btn-preset {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  font-family: var(--font-main);
  font-size: 0.84rem;
  font-weight: 500;
  padding: 0.45rem 0.85rem;
  border-radius: 20px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: all 0.15s ease;
  min-height: 36px;
}

.btn-preset:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  transform: translateY(-1px);
}

/* --- Cuadrículas y formularios responsivos --- */
.form-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
}

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

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

.form-group label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-main);
}

.form-group .form-help {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* --- Inputs y selects estandarizados --- */
.input-control,
.select-control {
  width: 100%;
  min-height: 42px;
  padding: 0.55rem 0.85rem;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background-color: var(--bg-input);
  color: var(--text-main);
  font-family: var(--font-main);
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.input-control:focus,
.select-control:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.18);
}

.select-control {
  max-width: 100%;
  min-width: 0;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
  padding-right: 36px;
  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 10px center;
}

/* Input agrupado con unidad o sufijo */
.input-unit-group {
  display: flex;
  width: 100%;
  align-items: stretch;
}

.input-unit-group .input-control {
  flex: 1 1 0%;
  width: 0;
  min-width: 0;
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
}

.input-unit-group .select-control {
  flex: 0 0 100px;
  width: 100px;
  border-left: none;
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
  background-color: var(--bg-card-subtle);
}

.input-unit-group .input-unit-addon {
  display: flex;
  align-items: center;
  padding: 0 0.85rem;
  background-color: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  border-left: none;
  border-top-right-radius: 8px;
  border-bottom-right-radius: 8px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  white-space: nowrap;
}

/* --- Paneles comparativos (Antes vs Ahora) --- */
.compare-columns-box {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.compare-card-col {
  background-color: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.25rem;
}

.compare-card-col.col-after {
  border-color: rgba(239, 68, 68, 0.4);
  background-color: var(--accent-red-bg);
}

.compare-col-header {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.compare-col-badge {
  font-size: 0.75rem;
  padding: 0.2rem 0.55rem;
  border-radius: 6px;
  font-weight: 600;
  text-transform: uppercase;
}

.badge-blue {
  background-color: rgba(56, 189, 248, 0.2);
  color: var(--accent-blue);
}

.badge-red {
  background-color: rgba(239, 68, 68, 0.2);
  color: var(--accent-red);
}

/* --- Bloque de resultados y KPIs --- */
.results-dashboard-box {
  background: linear-gradient(180deg, var(--bg-card-subtle) 0%, var(--bg-card) 100%);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 1.5rem;
  margin-top: 1.5rem;
}

.kpi-main-hero {
  text-align: center;
  padding: 1.25rem;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  margin-bottom: 1.25rem;
}

.kpi-hero-label {
  font-size: 0.88rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.kpi-hero-number {
  font-family: var(--font-mono);
  font-size: 3.2rem;
  font-weight: 900;
  line-height: 1;
  color: var(--accent-red);
  margin-bottom: 0.65rem;
}

.kpi-verdict-badge {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  padding: 0.35rem 1rem;
  border-radius: 20px;
  border: 1px solid currentColor;
}

.kpi-verdict-badge.status-grave {
  background-color: var(--accent-red-bg);
  color: var(--accent-red);
}

.kpi-verdict-badge.status-moderada {
  background-color: var(--accent-amber-bg);
  color: var(--accent-amber);
}

.kpi-verdict-badge.status-leve,
.kpi-verdict-badge.status-sin-reduflacion {
  background-color: var(--accent-green-bg);
  color: var(--accent-green);
}

/* Grid de métricas complementarias */
.kpi-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.85rem;
  margin-bottom: 1.25rem;
}

.kpi-stat-item {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.kpi-stat-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
}

.kpi-stat-value {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main);
}

.kpi-stat-sub {
  font-size: 0.74rem;
  color: var(--text-subtle);
}

/* Alerta de diagnóstico */
.alert-diagnosis-box {
  padding: 1rem 1.25rem;
  border-radius: 10px;
  font-size: 0.92rem;
  font-weight: 500;
  margin-bottom: 1.25rem;
  border: 1px solid currentColor;
}

.alert-diagnosis-box.status-grave {
  background-color: var(--accent-red-bg);
  color: var(--accent-red);
}

.alert-diagnosis-box.status-moderada {
  background-color: var(--accent-amber-bg);
  color: var(--accent-amber);
}

.alert-diagnosis-box.status-leve,
.alert-diagnosis-box.status-sin-reduflacion {
  background-color: var(--accent-green-bg);
  color: var(--accent-green);
}

/* --- Sección de Tarjeta Denuncia Visual (Canvas y Compartir) --- */
.denuncia-card-section {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 1.5rem;
  margin-top: 1.5rem;
}

.denuncia-card-header {
  margin-bottom: 1rem;
}

.denuncia-card-title {
  margin: 0 0 0.35rem 0;
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.denuncia-card-desc {
  margin: 0;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.canvas-preview-wrapper {
  background-color: #070a0f;
  border-radius: 12px;
  padding: 0.5rem;
  margin-bottom: 1.25rem;
  box-shadow: var(--shadow-md);
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

#canvas-denuncia {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: 8px;
}

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

.btn-action-primary,
.btn-action-secondary {
  flex: 1 1 200px;
  min-height: 44px;
  padding: 0.7rem 1.25rem;
  border-radius: 8px;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all 0.2s ease;
  text-decoration: none;
}

.btn-action-primary {
  background-color: var(--accent-primary);
  color: #ffffff;
  border: none;
  box-shadow: 0 2px 4px rgba(37, 99, 235, 0.3);
}

.btn-action-primary:hover {
  background-color: var(--accent-primary-hover);
  transform: translateY(-1px);
}

.btn-action-secondary {
  background-color: var(--bg-card-subtle);
  color: var(--text-main);
  border: 1px solid var(--border-color);
}

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

/* --- Guía didáctica y acordeones FAQ --- */
.faq-accordion-item {
  border: 1px solid var(--border-color);
  border-radius: 10px;
  margin-bottom: 0.75rem;
  background-color: var(--bg-card);
  overflow: hidden;
}

.faq-accordion-header {
  width: 100%;
  padding: 1rem 1.25rem;
  text-align: left;
  background: none;
  border: none;
  color: var(--text-main);
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 44px;
}

.faq-accordion-content {
  padding: 0 1.25rem 1rem 1.25rem;
  font-size: 0.92rem;
  color: var(--text-subtle);
  line-height: 1.6;
}

.faq-accordion-content p {
  margin: 0.5rem 0;
}

/* --- Modal accesible genérico --- */
.app-modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.65);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  padding: 1rem;
  backdrop-filter: blur(4px);
}

.app-modal-backdrop.is-open {
  display: flex;
}

.app-modal-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  max-width: 480px;
  width: 100%;
  padding: 1.5rem;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

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

.modal-body-text {
  margin: 0;
  font-size: 0.92rem;
  color: var(--text-subtle);
  line-height: 1.5;
  white-space: pre-wrap;
}

/* --- Media Queries responsivas --- */
@media (max-width: 900px) {
  .compare-columns-box,
  .form-grid-2 {
    grid-template-columns: 1fr;
  }

  .kpi-stats-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 600px) {
  .tool-layout {
    padding: 0 0.75rem;
    margin: 1rem auto 2rem;
  }

  .card-body-content {
    padding: 1rem;
  }

  .kpi-hero-number {
    font-size: 2.5rem;
  }

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

  .card-action-buttons {
    flex-direction: column;
  }

  .btn-action-primary,
  .btn-action-secondary {
    width: 100%;
  }

  .form-grid-3 {
    grid-template-columns: 1fr;
  }
}