/* ==========================================================================
   Fijate Tools - Conservador pericial de alimentos: semáforo de nevera, congelador y descongelación segura
   Hojas de estilo responsivas oficiales (tema claro / oscuro)
   ========================================================================== */

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

  /* Paleta tema claro */
  --bg-page: #f8fafc;
  --bg-card: #ffffff;
  --bg-card-subtle: #f1f5f9;
  --bg-input: #ffffff;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --border-color: #e2e8f0;
  --border-focus: #10b981;

  /* Identidad: Verde esmeralda de inocuidad y tonos de alerta */
  --primary-color: #059669;
  --primary-hover: #047857;
  --primary-light: #ecfdf5;

  --accent-cyan: #0891b2;
  --accent-blue: #2563eb;

  /* Semáforos */
  --safe-green: #10b981;
  --safe-green-bg: #ecfdf5;
  --safe-green-border: #a7f3d0;
  --safe-green-text: #065f46;

  --warning-amber: #d97706;
  --warning-amber-bg: #fffbeb;
  --warning-amber-border: #fde68a;
  --warning-amber-text: #92400e;

  --danger-red: #dc2626;
  --danger-red-bg: #fef2f2;
  --danger-red-border: #fecaca;
  --danger-red-text: #991b1b;

  --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 -1px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.03);
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-sm: 6px;
}

[data-theme="dark"] {
  --bg-page: #0b0f17;
  --bg-card: #151d2c;
  --bg-card-subtle: #1e293b;
  --bg-input: #1a2436;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --border-color: #334155;
  --border-focus: #34d399;

  --primary-color: #10b981;
  --primary-hover: #34d399;
  --primary-light: rgba(6, 78, 59, 0.35);

  --safe-green: #34d399;
  --safe-green-bg: rgba(6, 78, 59, 0.35);
  --safe-green-border: #065f46;
  --safe-green-text: #a7f3d0;

  --warning-amber: #fbbf24;
  --warning-amber-bg: rgba(120, 53, 15, 0.35);
  --warning-amber-border: #92400e;
  --warning-amber-text: #fde68a;

  --danger-red: #f87171;
  --danger-red-bg: rgba(127, 29, 29, 0.35);
  --danger-red-border: #991b1b;
  --danger-red-text: #fecaca;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 10px 20px -3px rgba(0, 0, 0, 0.6);
}

/* Reset y base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  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 {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.25;
}

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

/* Layout canónico */
.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 contenedora */
.app-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-md);
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

/* Cabecera / Hero */
.hero-card {
  background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-card-subtle) 100%);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem 1.75rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--primary-light);
  color: var(--primary-color);
  font-size: 0.8125rem;
  font-weight: 700;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  margin-bottom: 0.75rem;
}

.hero-tag svg {
  flex-shrink: 0;
}

.hero-desc {
  color: var(--text-muted);
  font-size: 0.9375rem;
  line-height: 1.6;
  margin: 0;
}

/* Navegación por pestañas */
.nav-tabs-wrapper {
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-color);
}

.nav-tabs-container {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding-bottom: 0.5rem;
  scrollbar-width: thin;
}

.nav-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: transparent;
  color: var(--text-muted);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  padding: 0.65rem 1rem;
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s ease;
  min-height: 40px;
}

.nav-tab-btn:hover {
  color: var(--text-main);
  background: var(--bg-card-subtle);
}

.nav-tab-btn.active {
  background: var(--primary-light);
  color: var(--primary-color);
  border-color: var(--border-focus);
}

.tab-panel {
  display: none;
  animation: fadeIn 0.25s ease;
}

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

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Formularios y controles */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

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

.form-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.form-select,
.input-text,
.input-number {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  height: 44px;
  padding: 0 0.875rem;
  background-color: var(--bg-input);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 0.9375rem;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  box-sizing: border-box;
}

.form-select {
  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;
  padding-right: 2.25rem;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
}

.form-select:focus,
.input-text:focus,
.input-number:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
}

/* Selector de ubicación (Nevera vs Congelador) */
.location-toggle-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  background: var(--bg-card-subtle);
  padding: 0.35rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.eval-location-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.6rem 0.75rem;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.2s ease;
  min-height: 38px;
}

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

.eval-location-btn svg {
  flex-shrink: 0;
}

/* Slider y presets de tiempo */
.slider-container {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.slider-input-flex {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.slider-input-flex input[type="range"] {
  flex: 1 1 0%;
  height: 6px;
  border-radius: 3px;
  background: var(--border-color);
  outline: none;
  accent-color: var(--primary-color);
  cursor: pointer;
}

.slider-input-flex .input-number {
  width: 80px;
  text-align: center;
  font-weight: 700;
  font-size: 1rem;
}

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

.eval-preset-btn {
  background: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  padding: 0.25rem 0.55rem;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}

.eval-preset-btn:hover {
  background: var(--border-color);
  color: var(--text-main);
}

/* Tarjeta semafórica de resultado del evaluador */
.eval-result-card {
  border-radius: var(--radius-lg);
  border: 2px solid var(--border-color);
  padding: 1.5rem;
  margin-top: 1.5rem;
  background: var(--bg-card);
  box-shadow: var(--shadow-md);
  transition: all 0.3s ease;
}

.eval-result-card.safe {
  border-color: var(--safe-green-border);
  background: linear-gradient(180deg, var(--safe-green-bg) 0%, var(--bg-card) 60%);
}

.eval-result-card.warning {
  border-color: var(--warning-amber-border);
  background: linear-gradient(180deg, var(--warning-amber-bg) 0%, var(--bg-card) 60%);
}

.eval-result-card.danger {
  border-color: var(--danger-red-border);
  background: linear-gradient(180deg, var(--danger-red-bg) 0%, var(--bg-card) 60%);
}

.eval-header-flex {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
}

.eval-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8125rem;
  font-weight: 700;
  padding: 0.35rem 0.85rem;
  border-radius: 9999px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.eval-status-badge.safe {
  background: var(--safe-green);
  color: #ffffff;
}

.eval-status-badge.warning {
  background: var(--warning-amber);
  color: #ffffff;
}

.eval-status-badge.danger {
  background: var(--danger-red);
  color: #ffffff;
}

.eval-kpi-title {
  font-size: 1.35rem;
  margin-bottom: 0.35rem;
}

.eval-result-card.safe .eval-kpi-title { color: var(--safe-green-text); }
.eval-result-card.warning .eval-kpi-title { color: var(--warning-amber-text); }
.eval-result-card.danger .eval-kpi-title { color: var(--danger-red-text); }

[data-theme="dark"] .eval-result-card.safe .eval-kpi-title { color: var(--safe-green); }
[data-theme="dark"] .eval-result-card.warning .eval-kpi-title { color: var(--warning-amber); }
[data-theme="dark"] .eval-result-card.danger .eval-kpi-title { color: var(--danger-red); }

.eval-kpi-subtitle {
  color: var(--text-muted);
  font-size: 0.9375rem;
  line-height: 1.5;
  margin-bottom: 1.25rem;
}

/* Grid de métricas en el resultado */
.eval-metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.eval-metric-box {
  background: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
}

.eval-metric-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.25rem;
  display: block;
}

.eval-metric-val {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-main);
}

/* Ficha de patógenos y consejos */
.eval-info-accordion {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  border-top: 1px solid var(--border-color);
  padding-top: 1.25rem;
}

.eval-info-row {
  display: flex;
  gap: 0.75rem;
  font-size: 0.875rem;
  line-height: 1.5;
}

.eval-info-icon {
  flex-shrink: 0;
  color: var(--primary-color);
  margin-top: 0.15rem;
}

.eval-info-content strong {
  color: var(--text-main);
}

.btn-print-eval {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  border-radius: var(--radius-md);
  padding: 0.5rem 0.875rem;
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  min-height: 36px;
}

.btn-print-eval:hover {
  background: var(--border-color);
}

/* Catálogo interactivo */
.catalog-toolbar {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

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

.catalog-search-box svg {
  position: absolute;
  left: 0.875rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}

.catalog-search-box input {
  padding-left: 2.5rem;
}

.catalog-chips-scroll {
  display: flex;
  gap: 0.4rem;
  overflow-x: auto;
  padding-bottom: 0.4rem;
  scrollbar-width: thin;
}

.catalog-category-chip {
  background: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  border-radius: 9999px;
  padding: 0.35rem 0.75rem;
  font-size: 0.8125rem;
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
  transition: all 0.15s ease;
}

.catalog-category-chip:hover {
  color: var(--text-main);
  border-color: var(--border-focus);
}

.catalog-category-chip.active {
  background: var(--primary-color);
  color: #ffffff;
  border-color: var(--primary-color);
}

.catalog-counter-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8125rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: 1rem;
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}

.food-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.food-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-focus);
}

.food-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.food-category-pill {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.danger-badge {
  font-size: 0.6875rem;
  font-weight: 700;
  padding: 0.15rem 0.5rem;
  border-radius: 9999px;
}

.danger-badge.danger-low { background: #dcfce7; color: #15803d; }
.danger-badge.danger-med { background: #fef3c7; color: #b45309; }
.danger-badge.danger-high { background: #fee2e2; color: #b91c1c; }

[data-theme="dark"] .danger-badge.danger-low { background: rgba(34, 197, 94, 0.2); color: #4ade80; }
[data-theme="dark"] .danger-badge.danger-med { background: rgba(245, 158, 11, 0.2); color: #fbbf24; }
[data-theme="dark"] .danger-badge.danger-high { background: rgba(239, 68, 68, 0.2); color: #f87171; }

.food-card-title {
  font-size: 1.05rem;
  line-height: 1.35;
  margin: 0;
}

.food-metrics-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  background: var(--bg-card-subtle);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.65rem;
}

.food-metric-col {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.metric-label {
  font-size: 0.6875rem;
  color: var(--text-muted);
  font-weight: 600;
}

.metric-val {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text-main);
}

.food-pathogen-row {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.pathogen-label {
  font-weight: 700;
  color: var(--text-main);
}

.food-spoil-text {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.4;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.food-card-footer {
  margin-top: auto;
  padding-top: 0.5rem;
}

.btn-eval-food {
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  background: var(--primary-light);
  color: var(--primary-color);
  border: 1px solid var(--border-focus);
  border-radius: var(--radius-sm);
  padding: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
  min-height: 36px;
}

.btn-eval-food:hover {
  background: var(--primary-color);
  color: #ffffff;
}

.catalog-empty-box {
  grid-column: 1 / -1;
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-muted);
}

.catalog-empty-box svg {
  margin-bottom: 0.75rem;
  opacity: 0.5;
}

/* Descongelación segura */
.defrost-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
  margin: 1.5rem 0;
}

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

.defrost-card.recommended {
  border-color: var(--safe-green-border);
  background: linear-gradient(180deg, var(--safe-green-bg) 0%, var(--bg-card) 60%);
}

.defrost-card-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 0.9375rem;
  color: var(--text-main);
}

.defrost-time-val {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-main);
  margin: 0.25rem 0;
}

.defrost-card.recommended .defrost-time-val {
  color: var(--safe-green-text);
}
[data-theme="dark"] .defrost-card.recommended .defrost-time-val {
  color: var(--safe-green);
}

.defrost-card-desc {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.45;
  margin: 0;
}

/* Alerta de prohibición en encimera */
.danger-callout-box {
  background: var(--danger-red-bg);
  border: 2px solid var(--danger-red-border);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  margin-top: 1.5rem;
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.danger-callout-icon {
  flex-shrink: 0;
  color: var(--danger-red);
}

.danger-callout-title {
  color: var(--danger-red-text);
  font-size: 1.1rem;
  margin-bottom: 0.35rem;
}
[data-theme="dark"] .danger-callout-title {
  color: var(--danger-red);
}

.danger-callout-text {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin: 0;
}

/* Protocolo de corte de luz */
.powercut-result-card {
  background: var(--bg-card);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-top: 1.5rem;
  box-shadow: var(--shadow-md);
}

.powercut-status-badge {
  display: inline-flex;
  align-items: center;
  font-size: 0.8125rem;
  font-weight: 700;
  padding: 0.3rem 0.8rem;
  border-radius: 9999px;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.powercut-status-badge.safe { background: var(--safe-green); color: #fff; }
.powercut-status-badge.warning { background: var(--warning-amber); color: #fff; }
.powercut-status-badge.danger { background: var(--danger-red); color: #fff; }

.powercut-action-list {
  margin: 1rem 0 0 1.25rem;
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Cuadro explicativo del truco de la moneda */
.coin-trick-box {
  background: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  margin-top: 1.5rem;
}

.coin-trick-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text-main);
  margin-bottom: 0.5rem;
}

.coin-trick-text {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin: 0;
}

/* Sección SEO y acordeón */
.seo-guide-section {
  margin: 2.5rem 0 1.5rem;
}

.seo-guide-title {
  font-size: 1.35rem;
  margin-bottom: 1rem;
}

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

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.faq-summary {
  padding: 1rem 1.25rem;
  font-weight: 600;
  font-size: 0.9375rem;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-main);
  user-select: none;
}

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

.faq-summary::after {
  content: '+';
  font-size: 1.25rem;
  color: var(--text-muted);
  transition: transform 0.2s ease;
}

.faq-item[open] .faq-summary::after {
  content: '−';
}

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

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

.faq-content p:last-child {
  margin-bottom: 0;
}

/* Modales accesibles */
.app-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  padding: 1rem;
}

.app-modal-backdrop.active {
  display: flex;
  animation: fadeIn 0.2s ease;
}

.app-modal-dialog {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  max-width: 520px;
  width: 100%;
  padding: 1.75rem;
  box-shadow: var(--shadow-lg);
  position: relative;
}

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

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

/* Reglas de impresión */
@media print {
  body {
    background: #ffffff !important;
    color: #000000 !important;
  }
  .app-header,
  .tool-ad-sidebar,
  .tools-ad-banner-section,
  .nav-tabs-wrapper,
  .fijate-footer,
  .btn-print-eval,
  .affiliate-section,
  .related-tools-section,
  .form-grid {
    display: none !important;
  }
  .tool-layout,
  .tool-main-content {
    max-width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
  }
  .eval-result-card {
    border: 2px solid #000000 !important;
    box-shadow: none !important;
  }
}

/* Responsive */
@media (max-width: 768px) {
  .tool-layout {
    margin-top: 1rem;
  }
  .app-card {
    padding: 1.25rem;
  }
  .form-grid {
    grid-template-columns: 1fr;
  }
  .catalog-grid {
    grid-template-columns: 1fr;
  }
  .defrost-cards-grid {
    grid-template-columns: 1fr;
  }
}