/**
 * Estilos visuales del Generador de capturas estéticas para redes (Snap & Quote Maker).
 * Fijate Tools.
 */

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

  /* Colores corporativos tema claro */
  --bg-app: #f8fafc;
  --card-bg: #ffffff;
  --card-border: #e2e8f0;
  --card-shadow: 0 4px 20px -2px rgba(15, 23, 42, 0.08);
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --accent-color: #0284c7;
  --accent-hover: #0369a1;
  --accent-light: #e0f2fe;
  --input-bg: #f8fafc;
  --input-border: #cbd5e1;
  --workspace-bg: #0b0f17;
  --pill-bg: #f1f5f9;
  --pill-border: #e2e8f0;
}

[data-theme="dark"] {
  --bg-app: #0b0f17;
  --card-bg: #111827;
  --card-border: #1f2937;
  --card-shadow: 0 8px 30px -4px rgba(0, 0, 0, 0.5);
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent-color: #38bdf8;
  --accent-hover: #0284c7;
  --accent-light: rgba(56, 189, 248, 0.15);
  --input-bg: #1e293b;
  --input-border: #334155;
  --workspace-bg: #07090e;
  --pill-bg: #1e293b;
  --pill-border: #334155;
}

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

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

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

/* Layout principal de herramienta */
.tool-layout {
  max-width: 1360px;
  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%;
}

/* Espacio de trabajo de la herramienta */
.snap-studio-wrapper {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 1.25rem;
  padding: 1.5rem;
  box-shadow: var(--card-shadow);
  margin-bottom: 2rem;
}

/* Barra superior de pestañas de modo */
.snap-modes-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--card-border);
}

.mode-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.15rem;
  border-radius: 0.75rem;
  font-size: 0.95rem;
  font-weight: 600;
  background: var(--pill-bg);
  border: 1px solid var(--pill-border);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s ease;
  min-height: 42px;
}

.mode-tab-btn:hover {
  background: var(--accent-light);
  color: var(--accent-color);
  border-color: var(--accent-color);
}

.mode-tab-btn.active {
  background: var(--accent-color);
  color: #ffffff;
  border-color: var(--accent-color);
  box-shadow: 0 4px 12px rgba(2, 132, 199, 0.28);
}

/* Rejilla principal del estudio (Controles a la izquierda, Canvas a la derecha) */
.snap-studio-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
  align-items: start;
}

@media (min-width: 992px) {
  .snap-studio-grid {
    grid-template-columns: 380px 1fr;
  }
}

/* Columna de controles */
.snap-controls-col {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.snap-control-card {
  background: var(--pill-bg);
  border: 1px solid var(--pill-border);
  border-radius: 1rem;
  padding: 1.25rem;
}

.snap-panel-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 0 0 1rem;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
}

.snap-panel-title svg {
  color: var(--accent-color);
}

/* Ocultar / mostrar paneles de modo */
.mode-panel {
  display: none;
  flex-direction: column;
  gap: 1rem;
}

.mode-panel.is-visible {
  display: flex;
}

/* Formularios y campos */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  box-sizing: border-box;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: 0.65rem;
  padding: 0.65rem 0.85rem;
  color: var(--text-primary);
  font-family: var(--font-main);
  font-size: 0.95rem;
  transition: border-color 0.2s, box-shadow 0.2s;
  min-height: 42px;
}

.form-textarea {
  min-height: 90px;
  resize: vertical;
  line-height: 1.45;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px var(--accent-light);
}

.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='%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 0.75rem center;
  padding-right: 2.25rem;
}

.code-textarea {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  line-height: 1.5;
  tab-size: 2;
  white-space: pre;
}

/* Filas de formulario en doble columna */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

/* Casillas de verificación personalizadas */
.form-checkbox-label {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-primary);
  cursor: pointer;
  user-select: none;
  min-height: 36px;
}

.form-checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--accent-color);
  cursor: pointer;
}

/* Selector de ratios de aspecto */
.ratios-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
}

@media (max-width: 420px) {
  .ratios-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.ratio-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  padding: 0.65rem 0.4rem;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 0.65rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s ease;
  min-height: 52px;
}

.ratio-btn .ratio-tag {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
}

.ratio-btn:hover {
  border-color: var(--accent-color);
  color: var(--accent-color);
}

.ratio-btn.active {
  border-color: var(--accent-color);
  background: var(--accent-light);
  color: var(--accent-color);
  box-shadow: 0 0 0 2px var(--accent-color);
}

/* Selector de degradados */
.gradients-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
}

.gradient-pill {
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: 0.65rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  position: relative;
  overflow: hidden;
}

.gradient-pill:hover {
  transform: scale(1.06);
}

.gradient-pill.active {
  border-color: #ffffff;
  box-shadow: 0 0 0 2px var(--accent-color), 0 4px 12px rgba(0, 0, 0, 0.35);
  transform: scale(1.05);
}

/* Botonera de temas de tarjeta y sombras */
.options-button-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.btn-option-pill {
  flex: 1 1 calc(50% - 0.5rem);
  padding: 0.55rem 0.65rem;
  border-radius: 0.6rem;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  text-align: center;
  transition: all 0.2s ease;
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-option-pill:hover {
  border-color: var(--accent-color);
  color: var(--accent-color);
}

.btn-option-pill.active {
  background: var(--accent-color);
  color: #ffffff;
  border-color: var(--accent-color);
}

/* Sliders con indicador de valor */
.slider-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.slider-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.slider-val {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--accent-color);
  font-weight: 700;
}

input[type="range"] {
  width: 100%;
  accent-color: var(--accent-color);
  cursor: pointer;
  height: 6px;
  border-radius: 3px;
  background: var(--input-border);
}

/* Plantillas rápidas (Presets) */
.presets-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}

.preset-btn {
  padding: 0.65rem 0.75rem;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 0.65rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  text-align: left;
  transition: all 0.2s;
  min-height: 42px;
  display: flex;
  align-items: center;
}

.preset-btn:hover {
  border-color: var(--accent-color);
  background: var(--accent-light);
  color: var(--accent-color);
}

/* Área derecha de previsualización (Canvas workspace) */
.snap-workspace-col {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.snap-canvas-viewport {
  width: 100%;
  background: var(--workspace-bg);
  border: 1px solid var(--card-border);
  border-radius: 1rem;
  padding: 1.5rem;
  box-sizing: border-box;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 480px;
  max-height: 720px;
  overflow: hidden;
  position: relative;
  box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.4);
}

#snap-canvas {
  max-width: 100%;
  max-height: 640px;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 0.5rem;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.6);
  transition: transform 0.2s ease;
}

/* Barra de acciones de exportación */
.snap-action-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  justify-content: space-between;
}

.snap-actions-left {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.snap-actions-right {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.btn-action-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--accent-color);
  color: #ffffff;
  padding: 0.75rem 1.4rem;
  border-radius: 0.75rem;
  font-size: 0.95rem;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  min-height: 44px;
  box-shadow: 0 4px 14px rgba(2, 132, 199, 0.35);
}

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

.btn-action-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  color: var(--text-primary);
  padding: 0.75rem 1.15rem;
  border-radius: 0.75rem;
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  min-height: 44px;
}

.btn-action-secondary:hover {
  background: var(--pill-bg);
  border-color: var(--accent-color);
  color: var(--accent-color);
}

/* Zona de soltar archivos */
.dropzone-box {
  border: 2px dashed var(--card-border);
  border-radius: 0.85rem;
  padding: 1.5rem 1rem;
  text-align: center;
  background: var(--card-bg);
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.dropzone-box:hover,
.dropzone-box.drag-over {
  border-color: var(--accent-color);
  background: var(--accent-light);
}

.dropzone-icon {
  color: var(--accent-color);
}

.dropzone-text {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}

.dropzone-subtext {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* Modales accesibles */
.snap-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(6px);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  z-index: 9999;
}

.snap-modal-backdrop.is-active {
  display: flex;
}

.snap-modal-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 1.25rem;
  padding: 1.75rem;
  max-width: 460px;
  width: 100%;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.snap-modal-title {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}

.snap-modal-msg {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--text-secondary);
}

.snap-modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

/* Sección explicativa SEO y FAQ */
.seo-guide-section {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 1.25rem;
  padding: 2rem;
  box-shadow: var(--card-shadow);
  margin-bottom: 2.5rem;
}

.seo-guide-section h2 {
  font-size: 1.5rem;
  margin-top: 0;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.seo-guide-section p {
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 1.25rem;
}

.seo-features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.25rem;
  margin-top: 1.5rem;
  margin-bottom: 2rem;
}

.feature-box {
  background: var(--pill-bg);
  border: 1px solid var(--pill-border);
  border-radius: 0.85rem;
  padding: 1.25rem;
}

.feature-box h3 {
  font-size: 1.1rem;
  margin-top: 0;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.feature-box p {
  font-size: 0.9rem;
  margin: 0;
  color: var(--text-secondary);
}

/* Acordeón FAQ */
.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.faq-item {
  border: 1px solid var(--card-border);
  border-radius: 0.75rem;
  background: var(--pill-bg);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  padding: 1rem 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: transparent;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  text-align: left;
  font-family: var(--font-heading);
  min-height: 48px;
}

.faq-answer {
  padding: 0 1.25rem 1.25rem;
  color: var(--text-secondary);
  line-height: 1.6;
  font-size: 0.95rem;
  display: none;
}

.faq-item.is-open .faq-answer {
  display: block;
}

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

.faq-icon {
  transition: transform 0.2s ease;
  color: var(--accent-color);
  flex-shrink: 0;
}