/**
 * Fijate Tools - Calculadora de Heladería Artesanal y Ninja Creami
 * Estilos Corporativos y Sistema de Diseño Responsivo
 */

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

  /* Paleta cromática heladería gourmet & Midnight Slate */
  --bg-primary: #0b0f17;
  --bg-secondary: #131b2a;
  --bg-card: #182235;
  --bg-card-hover: #1f2c44;
  --border-color: #27364f;
  --border-focus: #3b82f6;

  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  --color-primary: #06b6d4;      /* Cian gelato fresco */
  --color-primary-hover: #0891b2;
  --color-secondary: #8b5cf6;    /* Violeta dulce */
  --color-accent: #f59e0b;       /* Vainilla / caramelo */
  --color-cream: #fef08a;
  --color-berry: #ec4899;        /* Fresa / frutos rojos */
  --color-pistachio: #10b981;    /* Pistacho Bronte */

  --status-success: #10b981;
  --status-warning: #f59e0b;
  --status-danger: #ef4444;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.5);
  --transition-fast: 0.18s ease;
}

/* Modo claro nativo */
[data-theme="light"],
body.light-theme {
  --bg-primary: #f8fafc;
  --bg-secondary: #f1f5f9;
  --bg-card: #ffffff;
  --bg-card-hover: #f8fafc;
  --border-color: #cbd5e1;
  --border-focus: #2563eb;

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

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* Reset de contención estricta */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

h1, h2, h3, h4, h5, h6,
.brand-title,
.section-title,
.hero-title,
.faq-section-title {
  font-family: var(--font-heading);
  letter-spacing: -0.02em;
}

.mono,
code,
.metric-val,
.stat-val,
.input-qty {
  font-family: var(--font-mono);
}

/* Layout con sidebar publicitaria AdSense */
.tool-layout {
  max-width: 1200px;
  width: 100%;
  margin: 1.5rem auto 3rem;
  padding: 0 1rem;
  flex: 1 0 auto;
}

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

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

/* Hero y barra de control superior */
.hero-tool-banner {
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.12) 0%, rgba(139, 92, 246, 0.08) 50%, rgba(24, 34, 53, 0.6) 100%);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-sm);
}

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

.hero-title-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.hero-icon-box {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(6, 182, 212, 0.3);
}

.hero-main-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.25;
}

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

.hero-stats-chips {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.8rem;
  font-weight: 600;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-main);
}

.pill-badge-primary {
  background: rgba(6, 182, 212, 0.15);
  border-color: rgba(6, 182, 212, 0.35);
  color: var(--color-primary);
}

/* Selector de Perfil y Recetas Maestras */
.control-panel-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 1rem;
  margin-top: 1rem;
}

@media (max-width: 768px) {
  .control-panel-grid {
    grid-template-columns: 1fr;
  }
}

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

.field-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.custom-select-wrapper {
  position: relative;
  width: 100%;
}

.custom-select {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  height: 44px;
  padding: 0 40px 0 12px;
  border-radius: var(--radius-md);
  background-color: var(--bg-card);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  font-size: 0.9rem;
  font-family: inherit;
  font-weight: 500;
  appearance: none;
  -webkit-appearance: none;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
  cursor: pointer;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.custom-select:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.select-arrow {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  color: var(--text-muted);
}

/* Pestañas de navegación de la herramienta */
.app-tabs-nav {
  display: flex;
  gap: 0.5rem;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 1.5rem;
  overflow-x: auto;
  padding-bottom: 2px;
}

.app-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.1rem;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-muted);
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.app-tab-btn:hover {
  color: var(--text-main);
  background-color: rgba(255, 255, 255, 0.03);
}

.app-tab-btn.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
  background-color: rgba(6, 182, 212, 0.06);
}

.tab-pane {
  display: none;
}

.tab-pane.active {
  display: block;
  animation: fadeIn 0.25s ease;
}

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

/* Grid Principal de la Calculadora: Dashboard + Tabla */
.calculator-main-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 1.5rem;
  align-items: start;
}

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

/* Tarjeta y paneles base */
.card-section {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
  margin-bottom: 1.5rem;
}

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

.section-h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Acciones de la receta (botones de escalado) */
.recipe-actions-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.btn-scale-chip {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-md);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: all var(--transition-fast);
}

.btn-scale-chip:hover {
  background-color: var(--bg-card-hover);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* Tabla de ingredientes interactiva */
.table-responsive-wrapper {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.recipe-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.recipe-table th {
  padding: 0.6rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-color);
}

.recipe-table td {
  padding: 0.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  vertical-align: middle;
}

[data-theme="light"] .recipe-table td,
body.light-theme .recipe-table td {
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.ing-meta-box {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.ing-name-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.ing-name {
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--text-main);
}

.ing-desc {
  font-size: 0.75rem;
  line-height: 1.3;
}

/* Badges de categoría de ingrediente */
.badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.badge-lacteos { background: rgba(59, 130, 246, 0.15); color: #60a5fa; border: 1px solid rgba(59, 130, 246, 0.3); }
.badge-vegetales { background: rgba(16, 185, 129, 0.15); color: #34d399; border: 1px solid rgba(16, 185, 129, 0.3); }
.badge-azucares { background: rgba(245, 158, 11, 0.15); color: #fbbf24; border: 1px solid rgba(245, 158, 11, 0.3); }
.badge-grasas { background: rgba(234, 179, 8, 0.15); color: #fde047; border: 1px solid rgba(234, 179, 8, 0.3); }
.badge-frutas { background: rgba(236, 72, 153, 0.15); color: #f472b6; border: 1px solid rgba(236, 72, 153, 0.3); }
.badge-pastas_cacao { background: rgba(180, 83, 9, 0.15); color: #f97316; border: 1px solid rgba(180, 83, 9, 0.3); }
.badge-proteinas_fit { background: rgba(139, 92, 246, 0.15); color: #a78bfa; border: 1px solid rgba(139, 92, 246, 0.3); }
.badge-estabilizantes { background: rgba(6, 182, 212, 0.15); color: #22d3ee; border: 1px solid rgba(6, 182, 212, 0.3); }
.badge-aditivos { background: rgba(148, 163, 184, 0.15); color: #cbd5e1; border: 1px solid rgba(148, 163, 184, 0.3); }

/* Control numérico de gramos con botones táctiles */
.grams-input-group {
  display: inline-flex;
  align-items: center;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2px;
  max-width: 150px;
}

.btn-step-qty {
  width: 32px;
  height: 34px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border-radius: 4px;
  transition: all var(--transition-fast);
}

.btn-step-qty:hover {
  background-color: var(--bg-card);
  color: var(--text-main);
}

.input-qty {
  width: 60px;
  height: 34px;
  background: transparent;
  border: none;
  color: var(--text-main);
  text-align: center;
  font-size: 0.95rem;
  font-weight: 700;
}

.input-qty:focus {
  outline: none;
}

.grams-unit {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  padding-right: 6px;
}

.pac-pod-pill {
  display: inline-flex;
  gap: 0.25rem;
  background-color: var(--bg-secondary);
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
}

.pac-pod-pill .sep {
  color: var(--text-dim);
}

.btn-remove-ing {
  background: transparent;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  padding: 6px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-remove-ing:hover {
  color: var(--status-danger);
  background-color: rgba(239, 68, 68, 0.1);
}

/* Botones principales y estados vacíos */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition-fast);
  text-decoration: none;
  min-height: 40px;
}

.btn-primary {
  background-color: var(--color-primary);
  color: #0b0f17;
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  box-shadow: 0 4px 12px rgba(6, 182, 212, 0.3);
}

.btn-outline {
  background-color: transparent;
  border-color: var(--border-color);
  color: var(--text-main);
}

.btn-outline:hover {
  background-color: var(--bg-card-hover);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-danger-outline {
  background-color: transparent;
  border-color: rgba(239, 68, 68, 0.3);
  color: #f87171;
}

.btn-danger-outline:hover {
  background-color: rgba(239, 68, 68, 0.15);
  border-color: var(--status-danger);
}

.btn-sm {
  padding: 0.4rem 0.85rem;
  font-size: 0.8rem;
  min-height: 34px;
}

.btn-block {
  width: 100%;
}

.empty-state-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2.5rem 1rem;
}

.empty-icon {
  font-size: 2.5rem;
  margin-bottom: 0.75rem;
}

/* =========================================================
   DASHBOARD VISUAL COCKPIT (PAC, POD, SÓLIDOS Y DIAGNÓSTICO)
   ========================================================= */
.dashboard-kpi-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

@media (max-width: 500px) {
  .dashboard-kpi-grid {
    grid-template-columns: 1fr;
  }
}

.kpi-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

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

.kpi-label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.status-chip {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.15rem 0.45rem;
  border-radius: 9999px;
}

.status-chip-success {
  background-color: rgba(16, 185, 129, 0.15);
  color: var(--status-success);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.status-chip-warning {
  background-color: rgba(245, 158, 11, 0.15);
  color: var(--status-warning);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.status-chip-danger {
  background-color: rgba(239, 68, 68, 0.15);
  color: var(--status-danger);
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.kpi-val-row {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  margin-top: 0.2rem;
}

.metric-val {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1;
}

.metric-subval {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.kpi-footer-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--text-dim);
  margin-top: 0.2rem;
}

/* Barras de progreso / medidores */
.meter-bar-track {
  width: 100%;
  height: 8px;
  background-color: rgba(255, 255, 255, 0.08);
  border-radius: 9999px;
  overflow: hidden;
  margin: 0.4rem 0;
}

[data-theme="light"] .meter-bar-track,
body.light-theme .meter-bar-track {
  background-color: rgba(0, 0, 0, 0.08);
}

.meter-fill {
  height: 100%;
  border-radius: 9999px;
  transition: width 0.3s ease, background-color 0.3s ease;
}

.meter-fill-success { background: linear-gradient(90deg, #10b981, #06b6d4); }
.meter-fill-warning { background: linear-gradient(90deg, #f59e0b, #ef4444); }
.meter-fill-danger { background: #ef4444; }

/* Barra segmentada de Sólidos Totales vs Agua */
.solids-breakdown-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem;
  margin-bottom: 1.25rem;
}

.solids-header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.segmented-progress-bar {
  display: flex;
  width: 100%;
  height: 14px;
  border-radius: 6px;
  overflow: hidden;
  background-color: rgba(255, 255, 255, 0.06);
  margin-bottom: 0.75rem;
}

.seg-fat { background-color: #fde047; transition: width 0.3s ease; }
.seg-sng { background-color: #60a5fa; transition: width 0.3s ease; }
.seg-sugars { background-color: #fbbf24; transition: width 0.3s ease; }
.seg-other { background-color: #a78bfa; transition: width 0.3s ease; }
.seg-water { background-color: #0284c7; transition: width 0.3s ease; }

.solids-legend-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
}

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

.legend-item {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  font-size: 0.75rem;
}

.legend-color-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 4px;
}

.legend-label {
  display: flex;
  align-items: center;
  color: var(--text-muted);
}

.legend-val {
  font-weight: 700;
  color: var(--text-main);
  padding-left: 12px;
}

/* Panel de Diagnóstico Inteligente Ninja Creami & Artesanal */
.diagnosis-card {
  border-left: 4px solid var(--color-primary);
}

.health-banner {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  background-color: var(--bg-secondary);
  margin-bottom: 1rem;
}

.health-score-badge {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 800;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
  color: #ffffff;
}

.status-success { background-color: var(--status-success); }
.status-warning { background-color: var(--status-warning); }
.status-danger { background-color: var(--status-danger); }
.status-neutral { background-color: var(--text-dim); }

.health-text {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-main);
}

.program-recommendation-box {
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.1) 0%, rgba(139, 92, 246, 0.08) 100%);
  border: 1px solid rgba(6, 182, 212, 0.3);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  margin-bottom: 1rem;
}

.program-label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-primary);
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}

.program-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-main);
}

.creami-golden-tip {
  font-size: 0.82rem;
  background-color: rgba(245, 158, 11, 0.1);
  border-left: 3px solid var(--color-accent);
  padding: 0.65rem 0.85rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-bottom: 1rem;
  color: var(--text-main);
  line-height: 1.4;
}

.diag-feedback-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.diag-feedback-list li {
  font-size: 0.84rem;
  line-height: 1.4;
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}

.diag-feedback-list li svg {
  flex-shrink: 0;
  margin-top: 2px;
}

.text-success { color: #34d399; }
.text-warning { color: #fbbf24; }
.text-danger { color: #f87171; }

/* Modal selector de ingredientes */
.app-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 99999;
  padding: 1rem;
}

.app-modal-overlay.active {
  display: flex;
  animation: modalFadeIn 0.2s ease;
}

@keyframes modalFadeIn {
  from { opacity: 0; transform: scale(0.98); }
  to { opacity: 1; transform: scale(1); }
}

.app-modal-dialog {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 760px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.app-modal-dialog-sm {
  max-width: 480px;
}

.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 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-main);
}

.btn-close-modal {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 6px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

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

.modal-filter-bar {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 0.75rem;
  padding: 1rem 1.5rem;
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
}

@media (max-width: 600px) {
  .modal-filter-bar {
    grid-template-columns: 1fr;
  }
}

.modal-search-input {
  width: 100%;
  height: 42px;
  padding: 0 12px;
  border-radius: var(--radius-md);
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  font-family: inherit;
  font-size: 0.9rem;
}

.modal-search-input:focus {
  outline: none;
  border-color: var(--border-focus);
}

.modal-content-scroll {
  padding: 1.25rem 1.5rem;
  overflow-y: auto;
  flex: 1 1 auto;
}

.modal-ingredient-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
}

.modal-ing-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.modal-ing-card:hover {
  transform: translateY(-2px);
  border-color: var(--color-primary);
}

.modal-ing-card.already-added {
  border-color: rgba(6, 182, 212, 0.4);
  background: rgba(6, 182, 212, 0.04);
}

.card-header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.4rem;
}

.chip-added {
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--color-primary);
  background: rgba(6, 182, 212, 0.15);
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
}

.card-ing-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.25rem;
}

.card-ing-desc {
  font-size: 0.78rem;
  margin-bottom: 0.75rem;
  flex-grow: 1;
}

.card-macro-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.35rem;
  background-color: var(--bg-card);
  padding: 0.45rem 0.6rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.highlight-pac { color: var(--color-primary); }
.highlight-pod { color: var(--color-accent); }

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

/* Toast de feedback */
.app-toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background-color: #1e293b;
  color: #f8fafc;
  border: 1px solid #334155;
  padding: 0.75rem 1.5rem;
  border-radius: 9999px;
  font-size: 0.88rem;
  font-weight: 600;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
  z-index: 999999;
  opacity: 0;
  transition: all 0.25s ease;
  pointer-events: none;
}

.app-toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* Guía de elaboración y Acordeón SEO */
.guide-step-card {
  display: flex;
  gap: 1rem;
  padding: 1.25rem;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  margin-bottom: 1rem;
}

.guide-step-number {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: #0b0f17;
  font-weight: 800;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.guide-step-content h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.35rem;
}

.guide-step-content p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* Acordeón FAQ Canónico */
.faq-section {
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
}

.faq-section-title {
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 1.25rem;
  color: var(--text-main);
}

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

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

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

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

.faq-summary::after {
  content: "+";
  font-size: 1.2rem;
  color: var(--color-primary);
  font-weight: 700;
  transition: transform var(--transition-fast);
}

details[open] .faq-summary::after {
  content: "−";
}

.faq-answer {
  padding: 0 1.25rem 1.25rem;
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.formula-box {
  background-color: var(--bg-secondary);
  border-left: 3px solid var(--color-primary);
  padding: 0.75rem 1rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 0.5rem 0;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-main);
}

/* Adaptación móvil estricta */
@media (max-width: 600px) {
  .hero-tool-banner {
    padding: 1rem;
  }
  .card-section {
    padding: 1rem;
  }
  .recipe-table th,
  .recipe-table td {
    padding: 0.5rem;
  }
  .ing-desc {
    display: none; /* Ahorro de espacio vertical en móvil */
  }
  .btn-scale-chip {
    flex: 1 1 calc(50% - 0.5rem);
    justify-content: center;
  }
  .grams-input-group {
    max-width: 120px;
  }
}

/* Estilos de impresión limpia */
@media print {
  .app-header,
  .tools-ad-banner-section,
  .tool-ad-sidebar,
  .fijate-footer,
  .app-tabs-nav,
  .recipe-actions-bar,
  .btn-remove-ing,
  .btn-step-qty,
  .affiliate-section,
  .related-tools-section,
  .faq-section {
    display: none !important;
  }

  body {
    background: #ffffff !important;
    color: #000000 !important;
  }

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

  .card-section {
    border: 1px solid #ccc !important;
    box-shadow: none !important;
  }
}