/**
 * MING Pillars v11.1 — Educational Paper Style (Refactored)
 * ═══════════════════════════════════════════════════════════════════════════
 * 
 * v11.1 Changes:
 * - Removed duplicate variables (DRY - single source in variables.css)
 * - Better dark mode support via CSS variables inheritance
 * - Larger element icons for emphasis
 * - More educational card layout
 */

/* ═══════════════════════════════════════════════════════════════════════════
   PILLAR CARDS — Use variables from variables.css only
   ═══════════════════════════════════════════════════════════════════════════ */

/* ═══════════════════════════════════════════════════════════════════════════
   INTRO SECTION
   ═══════════════════════════════════════════════════════════════════════════ */

.pillars-intro {
  text-align: center;
  margin-bottom: 24px;
  padding: 20px 24px;
  background: var(--ming-paper-warm);
  border: 1px solid var(--border-default);
}

.pillars-intro h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--ming-forest);
  margin: 0 0 8px;
}

.pillars-intro p {
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.7;
  text-align: justify;
  hyphens: auto;
}

.pillars-intro em {
  font-style: normal;
  color: var(--ming-forest);
}

/* Explainer row */
.pillars-explainer {
  display: flex;
  gap: 24px;
  margin-bottom: 24px;
  padding: 14px 18px;
  background: var(--ming-100, #f5f3ef);
  border-left: 2px solid var(--ming-gold, #bdac86);
}

.explainer-item {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.explainer-label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ming-primary-dark, #073b2f);
}

.explainer-desc {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Section intro */
.pillars-chart-section {
  margin-top: 32px;
}

.section-intro {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 12px;
  font-style: italic;
}

/* ═══════════════════════════════════════════════════════════════════════════
   GRID — 2 Columnas Responsive
   ═══════════════════════════════════════════════════════════════════════════ */

.pillars-paper {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (min-width: 640px) {
  .pillars-paper {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
}

/* ═══════════════════════════════════════════════════════════════════════════
   TARJETA CON FLIP
   ═══════════════════════════════════════════════════════════════════════════ */

.paper-card {
  perspective: 1000px;
  cursor: pointer;
}

.paper-card__inner {
  position: relative;
  width: 100%;
  min-height: 340px;
  transition: transform 0.6s ease;
  transform-style: preserve-3d;
}

.paper-card.flipped .paper-card__inner {
  transform: rotateY(180deg);
}

.paper-card__front,
.paper-card__back {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  background: var(--ming-cream-soft, #F7F5F0);
  border: 1px solid var(--border-default);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.paper-card__back {
  transform: rotateY(180deg);
}

/* Hover - sutil, sin sombras */
.paper-card:hover .paper-card__front {
  border-color: var(--ming-gold, #bdac86);
}

/* Decoración sutil - nubes/flores en esquinas */
.paper-card__front::after {
  content: '';
  position: absolute;
  bottom: 8px;
  right: 8px;
  width: 60px;
  height: 60px;
  background-image: url('../assets/decorative/cloud-small.svg');
  background-size: contain;
  background-repeat: no-repeat;
  opacity: 0.04;
  pointer-events: none;
  z-index: 0;
}

.paper-card:nth-child(even) .paper-card__front::after {
  background-image: url('../assets/decorative/flowers.svg');
  width: 50px;
  height: 50px;
  bottom: 5px;
  right: 5px;
}

/* Day Master - decoración especial */
.paper-card--dm .paper-card__front,
.paper-card--dm .paper-card__back {
  border-color: var(--ming-primary-dark, #073b2f);
  border-width: 2px;
}

.paper-card--dm .paper-card__front::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--ming-jade), var(--ming-gold));
}

.paper-card--dm .paper-card__front::after {
  background-image: url('../assets/decorative/flowers2.svg');
  width: 70px;
  height: 70px;
  opacity: 0.06;
}

/* Empty card */
.paper-card--empty {
  opacity: 0.7;
}

.paper-card--empty .paper-card__front {
  border-style: dashed;
}

.paper-card--empty .paper-card__front::after {
  display: none;
}

/* ═══════════════════════════════════════════════════════════════════════════
   FRONT — Header (Elegante con colores jade/teal)
   ═══════════════════════════════════════════════════════════════════════════ */

.pcard-header {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-default);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--ming-forest);
}

.pcard-header__label {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 500;
  color: var(--ming-cream-light);
  letter-spacing: 0.02em;
}

.pcard-header__badge {
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ming-forest);
  background: var(--ming-gold);
  padding: 5px 12px;
}

/* ═══════════════════════════════════════════════════════════════════════════
   FRONT — Content (Rediseñado para énfasis Animal + Elemento)
   ═══════════════════════════════════════════════════════════════════════════ */

.pcard-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 12px 16px 16px;
  gap: 8px;
  justify-content: flex-start;
  align-items: center;
}

.pcard-content--empty {
  flex-direction: column;
  align-items: center;
  text-align: center;
}

/* Imagen del animal - prominente */
.pcard-image {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  padding: 8px 0;
}

.pcard-image img,
.pcard-image__svg {
  width: 85%;
  max-width: 180px;
  height: auto;
  aspect-ratio: 1;
  object-fit: contain;
}

.pcard-image__emoji {
  display: none;
  font-size: 80px;
}

/* Empty pillar - cloud icon */
.pcard-image--empty {
  padding: 24px 0;
}

.pcard-empty-icon {
  width: 80px;
  height: 80px;
  opacity: 0.3;
}

/* Info - Animal + Elemento prominentes */
.pcard-info {
  display: flex;
  flex-direction: column;
  gap: 8px;
  text-align: center;
  padding: 0 12px 8px;
  width: 100%;
}

/* Nombre del animal con icono de elemento grande */
.pcard-animal {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: 0.02em;
}

/* Icono de elemento - MÁS GRANDE para énfasis */
.pcard-animal__icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  filter: drop-shadow(0 1px 2px rgba(0,0,0,0.15));
}

/* Traits - características del animal con fondo crema */
.pcard-traits {
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
  padding: 6px 16px;
  background: var(--ming-cream-warm, #F2EDE4);
  border: 1px solid var(--ming-gold-light, #d4c9a8);
}

/* Elemento - compacto */
.pcard-element-box {
  display: none; /* Ocultar - el icono ahora va junto al nombre */
}

.pcard-element-icon {
  width: 32px;
  height: 32px;
}

.pcard-element__char {
  font-family: 'Noto Serif SC', serif;
  font-size: 1.6rem;
  font-weight: 500;
}

.pcard-element__char.el-wood { color: var(--el-wood); }
.pcard-element__char.el-fire { color: var(--el-fire); }
.pcard-element__char.el-earth { color: var(--el-earth); }
.pcard-element__char.el-metal { color: var(--el-metal); }
.pcard-element__char.el-water { color: var(--el-water); }

.pcard-element__name {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-primary);
}

.pcard-element__sub {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Legacy element styles */
.pcard-element {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: var(--ming-paper-warm);
  margin-top: auto;
}

.pcard-element .pcard-element__char {
  font-family: 'Noto Serif SC', serif;
  font-size: 1.8rem;
  font-weight: 500;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

.pcard-element .pcard-element__char.el-wood { background: var(--el-wood); }
.pcard-element__char.el-metal { background: var(--el-metal); }
.pcard-element__char.el-water { background: var(--el-water); }

.pcard-element__name {
  font-family: 'Source Sans 3', system-ui, sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}

.pcard-element__sub {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Day Master hint - MUY VISIBLE */
.pcard-dm-hint {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ming-forest);
  padding: 10px 16px;
  background: var(--ming-cream-warm, #F2EDE4);
  border: 2px solid var(--ming-gold);
  border-left-width: 4px;
  text-align: center;
  margin-top: 8px;
}

.pcard-dm-hint strong {
  color: var(--ming-gold-dark);
}

/* Empty hint */
.pcard-empty-hint {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
  max-width: 200px;
}

/* ═══════════════════════════════════════════════════════════════════════════
   FRONT — Footer (Call to action)
   ═══════════════════════════════════════════════════════════════════════════ */

.pcard-footer {
  padding: 12px 16px;
  border-top: 1px solid var(--ming-gold-light, #d4c9a8);
  text-align: center;
  background: var(--ming-cream-accent, #EAE3D6);
}

.pcard-tap {
  font-family: var(--font-body);
  font-size: 0.8rem;
  color: var(--ming-jade);
}

/* ═══════════════════════════════════════════════════════════════════════════
   BACK — Header
   ═══════════════════════════════════════════════════════════════════════════ */

.pcard-back-header {
  padding: 14px 16px;
  background: var(--ming-forest);
  color: white;
}

.pcard-back-header__title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
}

.pcard-back-header__sub {
  font-family: var(--font-body);
  font-size: 0.8rem;
  opacity: 0.9;
  color: var(--ming-cream-light);
}

/* ═══════════════════════════════════════════════════════════════════════════
   BACK — Tabs
   ═══════════════════════════════════════════════════════════════════════════ */

.pcard-tabs {
  display: flex;
  border-bottom: 1px solid var(--border-default);
  background: var(--ming-paper-warm);
}

.pcard-tab {
  flex: 1;
  padding: 10px 8px;
  font-family: 'Source Sans 3', system-ui, sans-serif;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  border-bottom: 2px solid transparent;
}

.pcard-tab:hover {
  color: var(--ming-jade);
}

.pcard-tab.active {
  color: var(--ming-jade);
  border-bottom-color: var(--ming-jade);
  background: var(--surface-card);
}

/* ═══════════════════════════════════════════════════════════════════════════
   BACK — Panels
   ═══════════════════════════════════════════════════════════════════════════ */

.pcard-panels {
  flex: 1;
  overflow-y: auto;
}

.pcard-panel {
  display: none;
  padding: 14px 16px;
}

.pcard-panel.active {
  display: block;
}

.pcard-section {
  font-family: 'Source Sans 3', system-ui, sans-serif;
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

.pcard-section p {
  margin: 0 0 10px;
}

/* Meaning panel */
.pcard-meaning {
  font-size: 0.95rem;
  color: var(--text-primary);
}

.pcard-governs {
  display: flex;
  gap: 10px;
  padding: 10px 12px;
  background: var(--ming-paper-warm);
  border-radius: 6px;
  margin: 12px 0;
  font-size: 0.85rem;
}

.pcard-governs__icon {
  font-size: 1.5rem;
}

.pcard-tip {
  font-size: 0.8rem;
  color: var(--ming-jade);
  padding: 8px 10px;
  background: var(--ming-jade-light);
  border-radius: 4px;
  border-left: 3px solid var(--ming-jade);
}

/* Animal panel */
.pcard-animal-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.pcard-animal-emoji {
  font-size: 2.5rem;
}

.pcard-animal-element {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.pcard-relations {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 12px;
}

.pcard-relation {
  padding: 6px 10px;
  border-radius: 4px;
  font-size: 0.8rem;
}

.pcard-relation--good {
  background: #E8F5E9;
  color: #2E7D32;
}

.pcard-relation--allies {
  background: #FFF8E1;
  color: #F57C00;
}

.pcard-relation--clash {
  background: #FFEBEE;
  color: #C62828;
}

/* Day Master panel */
.pcard-section--dm {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.pcard-dm-title {
  display: flex;
  align-items: center;
  gap: 12px;
}

.pcard-dm-char {
  font-family: 'Noto Serif SC', serif;
  font-size: 2rem;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  color: white;
}

.pcard-dm-char.el-wood { background: var(--el-wood); }
.pcard-dm-char.el-fire { background: var(--el-fire); }
.pcard-dm-char.el-earth { background: var(--el-earth); }
.pcard-dm-char.el-metal { background: var(--el-metal); }
.pcard-dm-char.el-water { background: var(--el-water); }

.pcard-dm-essence {
  font-family: 'Crimson Pro', Georgia, serif;
  font-style: italic;
  font-size: 0.95rem;
  color: var(--text-primary);
  padding: 8px 12px;
  background: var(--ming-paper-warm);
  border-left: 3px solid var(--ming-gold);
  border-radius: 0 4px 4px 0;
}

.pcard-dm-traits {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.pcard-dm-trait {
  font-size: 0.85rem;
}

.pcard-dm-trait strong {
  display: block;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.pcard-dm-trait p {
  margin: 0;
  color: var(--text-secondary);
}

.pcard-dm-advice {
  padding: 10px 12px;
  background: var(--ming-jade-light);
  border-radius: 6px;
  font-size: 0.85rem;
}

.pcard-dm-advice strong {
  color: var(--ming-jade);
}

.pcard-dm-advice p {
  margin: 4px 0 0;
}

.pcard-dm-colors {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Element panel */
.pcard-element-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.pcard-element-char {
  font-family: 'Noto Serif SC', serif;
  font-size: 2rem;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  color: white;
}

.pcard-element-header.el-wood .pcard-element-char { background: var(--el-wood); }
.pcard-element-header.el-fire .pcard-element-char { background: var(--el-fire); }
.pcard-element-header.el-earth .pcard-element-char { background: var(--el-earth); }
.pcard-element-header.el-metal .pcard-element-char { background: var(--el-metal); }
.pcard-element-header.el-water .pcard-element-char { background: var(--el-water); }

.pcard-element-traits {
  margin-top: 10px;
}

.pcard-trait-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 6px;
}

.pcard-trait-tag {
  font-size: 0.75rem;
  padding: 4px 8px;
  background: var(--ming-paper-warm);
  border: 1px solid var(--border-default);
  border-radius: 12px;
  color: var(--text-secondary);
}

/* ═══════════════════════════════════════════════════════════════════════════
   BACK — Footer
   ═══════════════════════════════════════════════════════════════════════════ */

.pcard-back-footer {
  padding: 10px 16px;
  border-top: 1px solid var(--border-default);
  text-align: center;
  background: var(--ming-paper-warm);
}

.pcard-back-footer .pcard-tap {
  color: var(--text-muted);
}

/* ═══════════════════════════════════════════════════════════════════════════
   CONTENEDOR GENERAL
   ═══════════════════════════════════════════════════════════════════════════ */

#sceneChart .card {
  max-width: 960px;
  background: var(--surface-card);
  border: 1px solid var(--border-default);
}

/* ═══════════════════════════════════════════════════════════════════════════
   CHART TABLE — Traditional Ba Zi Layout CON FLIP
   ═══════════════════════════════════════════════════════════════════════════ */

.pillars-chart-table {
  margin-top: var(--space-6);
  perspective: 1000px;
}

.chart-table-flipper {
  position: relative;
  transition: transform 0.6s ease;
  transform-style: preserve-3d;
  cursor: pointer;
}

.pillars-chart-table.flipped .chart-table-flipper {
  transform: rotateY(180deg);
}

.chart-table-front,
.chart-table-back {
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  padding: var(--space-5);
  background: var(--ming-paper-warm);
  border: 1px solid var(--ming-200);
}

.chart-table-back {
  position: absolute;
  inset: 0;
  transform: rotateY(180deg);
  overflow-y: auto;
}

.chart-table-title {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--ming-ink);
  text-align: center;
  margin-bottom: var(--space-4);
  letter-spacing: 0.05em;
}

.chart-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-chinese);
}

.chart-table th {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--ming-400);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: var(--space-2);
  border-bottom: 1px solid var(--ming-200);
}

.chart-cell {
  text-align: center;
  padding: var(--space-3);
  border: 1px solid var(--ming-100);
}

.chart-cell--dm {
  background: rgba(105, 151, 165, 0.1);
  border-color: var(--ming-primary);
}

.chart-stem {
  font-size: 1.8rem;
  display: block;
}

.chart-branch {
  font-size: 1.4rem;
  color: var(--ming-ink-light);
}

.chart-cell--animal {
  padding: var(--space-2);
}

.chart-animal-icon {
  width: 36px;
  height: 36px;
}

.chart-cell--empty {
  color: var(--ming-300);
}

.chart-table-hint {
  font-size: 0.7rem;
  color: var(--ming-400);
  text-align: center;
  margin-top: var(--space-3);
  font-style: italic;
}

.chart-table-tap {
  font-size: 0.7rem;
  color: var(--ming-jade);
  text-align: center;
  margin-top: var(--space-2);
  cursor: pointer;
}

/* Chart Table Back Content */
.chart-back-title {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--ming-ink);
  text-align: center;
  margin-bottom: var(--space-4);
}

.chart-back-content {
  font-family: var(--font-body);
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--text-secondary);
  text-align: justify;
  hyphens: auto;
}

.chart-back-content p {
  margin: 0 0 var(--space-3);
}

.chart-back-content strong {
  color: var(--text-primary);
}

.chart-back-section {
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--ming-100);
}

.chart-back-section:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.chart-back-section-title {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ming-primary-dark);
  margin-bottom: var(--space-2);
}

/* ═══════════════════════════════════════════════════════════════════════════
   ELEMENT BOX & ICONS
   ═══════════════════════════════════════════════════════════════════════════ */

.pcard-element-box {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  background: var(--ming-100);
  margin-top: var(--space-3);
}

.pcard-element-icon {
  width: 40px;
  height: 40px;
}

.pcard-animal-icon-small {
  width: 32px;
  height: 32px;
}

/* ═══════════════════════════════════════════════════════════════════════════
   RESPONSIVE AJUSTES
   ═══════════════════════════════════════════════════════════════════════════ */

@media (max-width: 480px) {
  .pcard-content {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  
  .pcard-element-box {
    justify-content: center;
  }
  
  .pcard-tab {
    font-size: 0.7rem;
    padding: 8px 4px;
  }
  
  .pcard-panel {
    padding: 12px;
  }
  
  .chart-stem {
    font-size: 1.4rem;
  }
  
  .chart-branch {
    font-size: 1.1rem;
  }
  
  .chart-animal-icon {
    width: 28px;
    height: 28px;
  }
}