/* ==========================================================================
   NEMPlanner - Módulo Avanzado de Configuración de Apariencia y UI Kit
   Estilos para Capa de Fondo Personalizada, Modal Tabulado, Rueda Cromática y Tokens
   ========================================================================== */

/* Capa de Fondo Personalizado con Transparencia y Desenfoque */
#customBgOverlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
  pointer-events: none;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  transition: opacity 250ms ease, filter 250ms ease, background-image 300ms ease;
  opacity: var(--custom-bg-opacity, 1);
  filter: blur(var(--custom-bg-blur, 0px));
}

/* Modal de Configuración de Apariencia */
.appearance-modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 10005;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 250ms ease, visibility 250ms ease;
}

.appearance-modal-backdrop.open {
  opacity: 1;
  visibility: visible;
}

.appearance-modal-card {
  width: 100%;
  max-width: 860px;
  max-height: 90vh;
  background-color: var(--bg-card, #FFFFFF);
  border: 1.5px solid var(--border, #CBD5E1);
  border-radius: 20px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: scale(0.96) translateY(10px);
  transition: transform 250ms ease;
}

.appearance-modal-backdrop.open .appearance-modal-card {
  transform: scale(1) translateY(0);
}

/* Cabecera del Modal */
.appearance-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  border-bottom: 1.5px solid var(--border, #CBD5E1);
  background-color: var(--accent-soft, #F1F5F9);
}

.appearance-modal-title-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
}

.appearance-modal-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--accent, #5C67C7);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.appearance-modal-title {
  font-family: var(--font-heading, 'Outfit', sans-serif);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-main, #0F172A);
  margin: 0;
}

.appearance-modal-subtitle {
  font-size: 0.78rem;
  color: var(--text-muted, #64748B);
  margin: 2px 0 0 0;
}

.appearance-btn-close {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  border: 1px solid var(--border, #CBD5E1);
  background: transparent;
  color: var(--text-main, #0F172A);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 150ms ease;
}

.appearance-btn-close:hover {
  background: rgba(0, 0, 0, 0.06);
}

/* Navegación por Pestañas */
.appearance-tabs-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px 16px;
  background-color: var(--bg-app, #F8FAFC);
  border-bottom: 1px solid var(--border, #E2E8F0);
  overflow-x: auto;
}

.appearance-tab-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 10px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-main, #334155);
  font-family: var(--font-body, 'Plus Jakarta Sans', sans-serif);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all 150ms ease;
}

.appearance-tab-btn:hover {
  background: var(--accent-soft, #E2E8F0);
}

.appearance-tab-btn.active {
  background: var(--accent, #5C67C7);
  color: #FFFFFF;
  font-weight: 700;
}

/* Cuerpo de Contenido de Pestañas */
.appearance-modal-body {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.appearance-tab-content {
  display: none;
  flex-direction: column;
  gap: 18px;
}

.appearance-tab-content.active {
  display: flex;
}

/* Grupos y Tarjetas Internas */
.config-group-card {
  background: var(--bg-card, #FFFFFF);
  border: 1.5px solid var(--border, #E2E8F0);
  border-radius: 14px;
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.config-group-title {
  font-family: var(--font-heading, 'Outfit', sans-serif);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main, #0F172A);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
}

/* Zona de Carga de Imagen */
.image-upload-zone {
  border: 2px dashed var(--border, #CBD5E1);
  border-radius: 14px;
  padding: 20px;
  text-align: center;
  background: var(--bg-app, #F8FAFC);
  cursor: pointer;
  transition: border-color 200ms ease, background 200ms ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.image-upload-zone:hover {
  border-color: var(--accent, #5C67C7);
  background: var(--accent-soft, #F1F5F9);
}

.image-preview-thumb {
  max-width: 180px;
  max-height: 100px;
  border-radius: 10px;
  object-fit: cover;
  border: 1px solid var(--border, #CBD5E1);
  margin-top: 6px;
}

/* Filas de Configuración y Deslizadores */
.config-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.config-label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-main, #1E293B);
  display: flex;
  flex-direction: column;
}

.config-hint {
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--text-muted, #64748B);
}

.config-input-range-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 220px;
}

.config-range-slider {
  flex: 1;
  accent-color: var(--accent, #5C67C7);
  cursor: pointer;
}

.config-range-val {
  font-size: 0.8rem;
  font-weight: 700;
  min-width: 42px;
  text-align: right;
  color: var(--text-main, #0F172A);
}

/* Grilla de Selector Cromático de Componentes */
.color-picker-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 12px;
}

.color-picker-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-radius: 10px;
  background: var(--bg-app, #F8FAFC);
  border: 1px solid var(--border, #E2E8F0);
}

.color-picker-input-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
}

.color-picker-swatch {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  border: 1.5px solid rgba(0, 0, 0, 0.15);
  cursor: pointer;
  padding: 0;
  background: none;
  overflow: hidden;
}

.color-picker-swatch::-webkit-color-swatch-wrapper {
  padding: 0;
}
.color-picker-swatch::-webkit-color-swatch {
  border: none;
}

/* Previsualización Tipográfica */
.font-preview-box {
  padding: 14px;
  border-radius: 12px;
  background: var(--bg-app, #F8FAFC);
  border: 1px solid var(--border, #E2E8F0);
  margin-top: 8px;
}

/* Pie del Modal */
.appearance-modal-footer {
  padding: 16px 24px;
  border-top: 1.5px solid var(--border, #CBD5E1);
  background-color: var(--bg-card, #FFFFFF);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.footer-btn-group {
  display: flex;
  align-items: center;
  gap: 8px;
}