/* ==========================================================================
   Generador de Glassmorphism y Neumorphism CSS - Hoja de estilos canónica
   Fijate Tools - fijate.com
   ========================================================================== */

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

  --color-primary: #6366f1;
  --color-primary-hover: #4f46e5;
  --color-primary-light: rgba(99, 102, 241, 0.12);

  --bg-page: #f8fafc;
  --bg-card: #ffffff;
  --bg-surface: #f1f5f9;
  --bg-input: #ffffff;

  --text-main: #0f172a;
  --text-muted: #64748b;
  --text-subtle: #94a3b8;

  --border-color: #e2e8f0;
  --border-focus: #6366f1;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;

  --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, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
}

[data-theme="dark"] {
  --bg-page: #0b0f17;
  --bg-card: #151d2a;
  --bg-surface: #1e293b;
  --bg-input: #1a2333;

  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-subtle: #64748b;

  --border-color: #243042;
  --border-focus: #818cf8;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 10px 20px -3px rgba(0, 0, 0, 0.45);
}

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

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

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

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

/* ==========================================================================
   Layout estructural y contención canónica
   ========================================================================== */

.main-wrapper.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 y selector de modo
   ========================================================================== */

.card-main {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  padding: 1.75rem;
  margin-bottom: 2rem;
}

.mode-switcher-container {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 1.75rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-color);
}

.mode-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  background-color: var(--bg-surface);
  padding: 0.375rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.mode-tab-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 600;
  font-family: var(--font-heading);
  cursor: pointer;
  transition: all 0.2s ease;
  min-height: 44px;
}

.mode-tab-btn:hover {
  color: var(--text-main);
}

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

[data-theme="dark"] .mode-tab-btn.active {
  color: #a5b4fc;
}

.mode-description {
  margin: 0;
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ==========================================================================
   Rejilla de trabajo (Controles + Lienzo/Código)
   ========================================================================== */

.generator-grid {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 1.75rem;
  align-items: start;
}

@media (max-width: 980px) {
  .generator-grid {
    grid-template-columns: 1fr;
  }
}

/* Panel de controles */
.controls-panel {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.control-section {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
}

.control-section-title {
  font-size: 0.88rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin: 0 0 1rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Catálogo de presets rápidos */
.presets-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 0.5rem;
}

.btn-preset {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.75rem;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-main);
  cursor: pointer;
  transition: all 0.15s ease;
  text-align: center;
  min-height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
}

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

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

/* Grupos de campos y sliders */
.control-group {
  margin-bottom: 1rem;
}

.control-group:last-child {
  margin-bottom: 0;
}

.control-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.375rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-main);
}

.control-value-badge {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  color: var(--text-muted);
}

/* Sliders personalizados */
.range-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: var(--border-color);
  outline: none;
  margin: 0.5rem 0;
  cursor: pointer;
}

.range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--color-primary);
  border: 2px solid #ffffff;
  box-shadow: 0 1px 3px rgba(0,0,0,0.3);
  cursor: pointer;
  transition: transform 0.1s ease;
}

.range-slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

.range-slider::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--color-primary);
  border: 2px solid #ffffff;
  box-shadow: 0 1px 3px rgba(0,0,0,0.3);
  cursor: pointer;
}

/* Selectores de color y paletas */
.color-picker-row {
  display: flex;
  align-items: center;
  gap: 0.625rem;
}

.color-input-wrapper {
  position: relative;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border-color);
  flex-shrink: 0;
}

.color-input {
  position: absolute;
  top: -10px;
  left: -10px;
  width: 60px;
  height: 60px;
  border: none;
  cursor: pointer;
  padding: 0;
  background: transparent;
}

.color-hex-input {
  flex: 1 1 0%;
  width: 0;
  min-width: 0;
  height: 40px;
  padding: 0 0.75rem;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--text-main);
  text-transform: uppercase;
}

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

.color-swatches-strip {
  display: flex;
  gap: 0.375rem;
  flex-wrap: wrap;
  margin-top: 0.5rem;
}

.color-swatch-btn {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  border: 1px solid rgba(0, 0, 0, 0.15);
  cursor: pointer;
  transition: transform 0.15s ease;
  padding: 0;
}

.color-swatch-btn:hover {
  transform: scale(1.15);
}

/* Botones de relieve / forma Neumorphism */
.shape-selector-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
}

.shape-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.625rem 0.25rem;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.15s ease;
  min-height: 52px;
}

.shape-btn svg {
  width: 18px;
  height: 18px;
}

.shape-btn:hover {
  border-color: var(--color-primary);
  color: var(--text-main);
}

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

/* Botones de dirección de luz */
.light-selector-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
}

.light-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.25rem;
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.15s ease;
  min-height: 42px;
}

.light-btn:hover {
  border-color: var(--color-primary);
  color: var(--text-main);
}

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

/* Checkbox toggle interactivo */
.toggle-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
}

.toggle-input {
  position: relative;
  width: 44px;
  height: 24px;
  -webkit-appearance: none;
  appearance: none;
  background-color: var(--border-color);
  border-radius: 12px;
  outline: none;
  cursor: pointer;
  transition: background-color 0.2s ease;
  margin: 0;
}

.toggle-input:checked {
  background-color: var(--color-primary);
}

.toggle-input::before {
  content: '';
  position: absolute;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  top: 3px;
  left: 3px;
  background-color: #ffffff;
  transition: transform 0.2s ease;
}

.toggle-input:checked::before {
  transform: translateX(20px);
}

/* ==========================================================================
   Panel de previsualización (Lienzo interactivo)
   ========================================================================== */

.preview-column {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  min-width: 0;
}

.canvas-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.canvas-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  background-color: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
  gap: 0.5rem;
  flex-wrap: wrap;
}

.canvas-title {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.canvas-bg-switcher {
  display: flex;
  align-items: center;
  gap: 0.375rem;
}

.btn-bg-option {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, border-color 0.15s ease;
}

.btn-bg-option:hover {
  transform: scale(1.1);
}

.btn-bg-option.active {
  border-color: var(--color-primary);
}

/* Lienzo de renderizado */
.interactive-canvas {
  position: relative;
  min-height: 420px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2.5rem 1.5rem;
  overflow: hidden;
  transition: background 0.3s ease;
}

/* Fondos decorativos para probar Glassmorphism */
.bg-canvas-shapes {
  background: #0f172a;
}

.bg-canvas-gradient {
  background: linear-gradient(135deg, #4f46e5 0%, #06b6d4 50%, #f43f5e 100%);
}

.bg-canvas-aurora {
  background: radial-gradient(circle at 20% 20%, #ec4899 0%, transparent 50%),
              radial-gradient(circle at 80% 80%, #3b82f6 0%, transparent 50%),
              radial-gradient(circle at 50% 50%, #8b5cf6 0%, transparent 60%),
              #090d16;
}

.bg-canvas-mesh {
  background-color: #e5e7eb;
  background-image: radial-gradient(#6b7280 0.75px, transparent 0.75px), radial-gradient(#6b7280 0.75px, #e5e7eb 0.75px);
  background-size: 30px 30px;
  background-position: 0 0, 15px 15px;
}

/* Formas flotantes de colores detrás del cristal en bg-canvas-shapes */
.canvas-backdrop-shapes {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.backdrop-bubble {
  position: absolute;
  border-radius: 50%;
  filter: blur(2px);
  animation: floatOrb 8s infinite alternate ease-in-out;
}

.backdrop-bubble-1 {
  width: 180px;
  height: 180px;
  background: linear-gradient(135deg, #f43f5e, #fb7185);
  top: 15%;
  left: 15%;
}

.backdrop-bubble-2 {
  width: 220px;
  height: 220px;
  background: linear-gradient(135deg, #6366f1, #3b82f6);
  bottom: 12%;
  right: 15%;
  animation-duration: 10s;
  animation-delay: -2s;
}

.backdrop-bubble-3 {
  width: 120px;
  height: 120px;
  background: linear-gradient(135deg, #10b981, #06b6d4);
  top: 45%;
  right: 35%;
  animation-duration: 7s;
  animation-delay: -4s;
}

@keyframes floatOrb {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(20px, -25px) scale(1.08); }
}

/* Tarjeta interactiva de prueba (elemento renderizado) */
.preview-element-card {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 360px;
  padding: 2rem 1.75rem;
  transition: all 0.15s ease-out;
}

.preview-badge-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.preview-pill {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.25rem 0.65rem;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.2);
  color: inherit;
}

.preview-icon-box {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.15);
}

.preview-card-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin: 0 0 0.5rem 0;
  color: inherit;
}

.preview-card-text {
  font-size: 0.9rem;
  line-height: 1.5;
  margin: 0 0 1.5rem 0;
  opacity: 0.85;
  color: inherit;
}

.preview-interactive-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.preview-action-btn {
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  font-family: var(--font-heading);
  cursor: pointer;
  transition: transform 0.15s ease, opacity 0.15s ease;
  min-height: 40px;
  border: none;
}

.preview-action-btn:hover {
  transform: translateY(-2px);
  opacity: 0.95;
}

/* ==========================================================================
   Panel de exportación de código
   ========================================================================== */

.code-export-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.code-tabs-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 1rem;
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  gap: 0.5rem;
  flex-wrap: wrap;
}

.code-format-tabs {
  display: flex;
  gap: 0.25rem;
}

.btn-code-tab {
  background: transparent;
  border: none;
  padding: 0.5rem 0.75rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-code-tab:hover {
  color: var(--text-main);
}

.btn-code-tab.active {
  background-color: var(--bg-card);
  color: var(--color-primary);
}

.code-actions-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-action-copy {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid var(--border-color);
  background-color: var(--bg-card);
  color: var(--text-main);
  transition: all 0.15s ease;
  min-height: 36px;
}

.btn-action-copy:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.code-display-wrapper {
  position: relative;
  background-color: #0d1117;
  padding: 1.25rem 1rem;
  overflow-x: auto;
}

.code-output {
  margin: 0;
  color: #e6edf3;
  font-size: 0.85rem;
  line-height: 1.6;
  white-space: pre;
}

/* ==========================================================================
   Sección didáctica y guía técnica de diseño
   ========================================================================== */

.educational-guide-section {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 2rem;
  margin-bottom: 2rem;
}

.guide-heading {
  font-size: 1.45rem;
  margin: 0 0 1rem 0;
  color: var(--text-main);
}

.guide-lead {
  font-size: 0.96rem;
  line-height: 1.65;
  color: var(--text-muted);
  margin-bottom: 1.75rem;
}

.comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

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

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

.comparison-card-title {
  font-size: 1.1rem;
  margin: 0 0 0.75rem 0;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.comparison-list {
  padding-left: 1.25rem;
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

.comparison-list li {
  margin-bottom: 0.5rem;
}

.recommendations-box {
  background: var(--color-primary-light);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-sm);
  padding: 1.25rem 1.5rem;
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--text-main);
}

.recommendations-box strong {
  display: block;
  margin-bottom: 0.35rem;
  font-family: var(--font-heading);
}

/* ==========================================================================
   Acordeón FAQ accesible
   ========================================================================== */

.faq-section {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 2rem;
  margin-bottom: 2.5rem;
}

.faq-section-title {
  font-size: 1.4rem;
  margin: 0 0 1.25rem 0;
  color: var(--text-main);
}

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

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

.faq-question {
  width: 100%;
  text-align: left;
  background: transparent;
  border: none;
  padding: 1rem 1.25rem;
  font-size: 0.98rem;
  font-weight: 600;
  font-family: var(--font-heading);
  color: var(--text-main);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  min-height: 48px;
  gap: 1rem;
}

.faq-question:hover {
  color: var(--color-primary);
}

.faq-icon {
  transition: transform 0.2s ease;
  flex-shrink: 0;
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  display: none;
  padding: 0 1.25rem 1.25rem;
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.6;
}

.faq-item.active .faq-answer {
  display: block;
}

/* ==========================================================================
   Toast de notificación accesible (sin alert)
   ========================================================================== */

.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  pointer-events: none;
}

.toast-notification {
  background-color: #0f172a;
  color: #ffffff;
  border-radius: var(--radius-md);
  padding: 0.75rem 1.25rem;
  font-size: 0.88rem;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  animation: toastIn 0.25s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  pointer-events: auto;
}

@keyframes toastIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes toastOut {
  from { opacity: 1; transform: translateY(0); }
  to { opacity: 0; transform: translateY(12px); }
}

/* ==========================================================================
   Ajustes responsivos
   ========================================================================== */

@media (max-width: 640px) {
  .card-main {
    padding: 1.25rem 1rem;
  }

  .interactive-canvas {
    min-height: 320px;
    padding: 1.5rem 1rem;
  }

  .preview-element-card {
    padding: 1.5rem 1.25rem;
  }

  .toast-container {
    left: 1rem;
    right: 1rem;
    bottom: 1rem;
  }
}