/* ==========================================================================
   Fijate Tools - Conversor de horno a freidora de aire
   Estilos corporativos canónicos, temas claro/oscuro y componentes interactivos
   ========================================================================== */

:root {
  --bg-page: #0b0f17;
  --bg-card: #131b26;
  --bg-card-hover: #182230;
  --bg-input: #1a2434;
  --bg-pill: #1f2a3a;
  --bg-pill-active: #2563eb;
  --border-color: #233044;
  --border-focus: #3b82f6;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent: #f59e0b;
  --accent-light: rgba(245, 158, 11, 0.12);
  --accent-border: rgba(245, 158, 11, 0.3);
  --airfryer-orange: #f97316;
  --airfryer-cyan: #06b6d4;
  --airfryer-emerald: #10b981;
  --airfryer-purple: #8b5cf6;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.4);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Outfit', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

[data-theme="light"],
body.light-theme {
  --bg-page: #f8fafc;
  --bg-card: #ffffff;
  --bg-card-hover: #f1f5f9;
  --bg-input: #f1f5f9;
  --bg-pill: #e2e8f0;
  --bg-pill-active: #2563eb;
  --border-color: #cbd5e1;
  --border-focus: #2563eb;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --accent: #d97706;
  --accent-light: rgba(217, 119, 6, 0.1);
  --accent-border: rgba(217, 119, 6, 0.25);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.08);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-page);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.5;
  overflow-x: clip;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-primary);
}

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

/* Layout container */
.tool-layout {
  width: 100%;
  max-width: 1200px;
  margin: 1.25rem 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;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* ==========================================================================
   WORKSPACE EN 2 COLUMNAS (CONTROLES + RESULTADOS)
   ========================================================================== */

.converter-workspace {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.converter-column {
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
}

.converter-column-title {
  font-size: 1.15rem;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.65rem;
}

/* Selector de dirección de conversión */
.conversion-direction-tabs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.5rem;
  background: var(--bg-input);
  padding: 0.35rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.direction-tab-btn {
  min-height: 42px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 600;
  border-radius: 6px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  transition: all 0.2s ease;
}

.direction-tab-btn.active {
  background: var(--bg-pill-active);
  color: #ffffff;
  box-shadow: 0 2px 6px rgba(37, 99, 235, 0.35);
}

/* Grupos de campos de formulario */
.form-field-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-field-label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.form-select {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  min-height: 44px;
  padding: 0.5rem 2.2rem 0.5rem 0.85rem;
  background-color: var(--bg-input);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-family: var(--font-sans);
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.85rem center;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
  cursor: pointer;
}

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

.input-with-suffix {
  display: flex;
  align-items: center;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  overflow: hidden;
  min-height: 44px;
  transition: border-color 0.2s, box-shadow 0.2s;
}

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

.input-with-suffix input {
  flex: 1 1 0%;
  width: 0;
  min-width: 0;
  border: none;
  background: transparent;
  padding: 0.5rem 0.85rem;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  outline: none;
}

.input-suffix-badge {
  padding: 0 0.85rem;
  color: var(--text-muted);
  font-size: 0.88rem;
  font-weight: 600;
  user-select: none;
  border-left: 1px solid var(--border-color);
}

/* Tríos y cuadrículas de botones de opción */
.options-grid-duo {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.5rem;
}

.opt-btn {
  min-height: 40px;
  padding: 0.4rem 0.6rem;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  transition: all 0.2s ease;
}

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

.opt-btn.active {
  background: var(--bg-pill-active);
  color: #ffffff;
  border-color: var(--border-focus);
}

/* ==========================================================================
   PANEL DE RESULTADOS DIGITALES
   ========================================================================== */

.result-display-card {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.digital-readout-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.digital-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 1rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
  position: relative;
  overflow: hidden;
}

.digital-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--airfryer-orange);
}

.digital-box.time-box::before {
  background: var(--airfryer-cyan);
}

.digital-label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  font-weight: 600;
}

.digital-val {
  font-family: var(--font-mono);
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.1;
}

.digital-unit {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 600;
}

/* Shake reminder card */
.shake-alert-box {
  background: var(--accent-light);
  border: 1px solid var(--accent-border);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.shake-icon {
  color: var(--accent);
  flex-shrink: 0;
  display: flex;
}

.shake-text {
  font-size: 0.88rem;
  color: var(--text-primary);
  line-height: 1.4;
}

.shake-text strong {
  color: var(--accent);
  font-family: var(--font-mono);
}

/* ==========================================================================
   TEMPORIZADOR INTEGRADO CON WEB AUDIO API
   ========================================================================== */

.timer-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

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

.timer-title {
  font-size: 1.05rem;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.timer-controls-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.timer-display {
  font-family: var(--font-mono);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: 0.05em;
  background: var(--bg-input);
  padding: 0.4rem 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.timer-buttons {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.btn-timer-action {
  min-height: 44px;
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  transition: all 0.2s ease;
  border: 1px solid transparent;
}

.btn-start {
  background: var(--airfryer-emerald);
  color: #000000;
}

.btn-start:hover {
  filter: brightness(1.1);
}

.btn-pause {
  background: var(--accent);
  color: #000000;
}

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

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

.timer-status-line {
  font-size: 0.85rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

/* ==========================================================================
   PANEL DE AHORRO ENERGÉTICO Y ECONÓMICO
   ========================================================================== */

.savings-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

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

.savings-title-box {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.savings-title-box h3 {
  font-size: 1.25rem;
  color: var(--text-primary);
}

.savings-title-box p {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.tariff-input-box {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.tariff-input {
  width: 90px;
  min-height: 38px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.3rem 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--text-primary);
  text-align: right;
  outline: none;
}

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

.energy-box {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.energy-box.highlight-savings {
  background: rgba(16, 185, 129, 0.08);
  border-color: rgba(16, 185, 129, 0.35);
}

.energy-box-title {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  font-weight: 600;
}

.energy-val-main {
  font-family: var(--font-mono);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-primary);
}

.energy-box.highlight-savings .energy-val-main {
  color: var(--airfryer-emerald);
}

.energy-breakdown-list {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.energy-breakdown-item {
  display: flex;
  justify-content: space-between;
}

/* ==========================================================================
   CATÁLOGO DE PRESETS POR ALIMENTO
   ========================================================================== */

.presets-container-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.presets-header-box {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.presets-header-box h2 {
  font-size: 1.25rem;
  color: var(--text-primary);
}

.presets-header-box p {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

/* Pastillas de categorías - flujo libre wrap sin scroll horizontal artificial */
.presets-pills-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.cat-filter-btn {
  min-height: 40px;
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  background: var(--bg-pill);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: all 0.2s ease;
}

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

.cat-filter-btn.active {
  background: var(--accent);
  color: #000000;
  font-weight: 700;
  border-color: var(--accent);
}

/* Parrilla de presets - flujo libre vertical sin scroll interno (Corrección 247) */
.presets-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1rem;
}

.preset-card {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.15rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

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

.preset-card-top {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.preset-icon {
  font-size: 1.6rem;
  line-height: 1;
}

.preset-card-title {
  font-size: 1.05rem;
  color: var(--text-primary);
  font-weight: 700;
}

.preset-specs-strip {
  display: flex;
  justify-content: space-between;
  background: var(--bg-card);
  padding: 0.55rem 0.85rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  font-size: 0.85rem;
}

.preset-spec-cell {
  display: flex;
  flex-direction: column;
}

.preset-spec-k {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.preset-spec-v {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--accent);
}

.preset-tip-text {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.4;
  margin-top: auto;
}

.btn-load-preset {
  min-height: 38px;
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  transition: all 0.2s ease;
}

.preset-card:hover .btn-load-preset {
  background: var(--bg-pill-active);
  color: #ffffff;
  border-color: var(--border-focus);
}

/* ==========================================================================
   GUÍA DIDÁCTICA Y SEO (2 COLUMNAS CANÓNICAS)
   ========================================================================== */

.airfryer-seo-guide {
  margin-top: 1.5rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 1.5rem;
}

.seo-guide-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.seo-guide-card h2,
.seo-guide-card h3 {
  font-size: 1.25rem;
  color: var(--text-primary);
}

.seo-guide-card p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.6;
}

.seo-guide-card ul {
  padding-left: 1.2rem;
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.6;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

/* ==========================================================================
   RESPONSIVIDAD MÓVIL
   ========================================================================== */

@media (max-width: 900px) {
  .converter-workspace {
    grid-template-columns: 1fr;
  }
  .savings-comparison-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .tool-layout {
    padding: 0 0.75rem;
    margin: 1rem auto 2rem;
  }

  .converter-workspace {
    padding: 1rem;
  }

  .timer-controls-row {
    flex-direction: column;
    align-items: stretch;
  }

  .timer-display {
    text-align: center;
  }

  .timer-buttons {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .btn-timer-action {
    width: 100%;
    justify-content: center;
    padding: 0.5rem 0.6rem;
  }

  .savings-header {
    flex-direction: column;
    align-items: stretch;
  }

  .presets-grid {
    grid-template-columns: 1fr;
  }

  .airfryer-seo-guide {
    grid-template-columns: 1fr;
  }
}