/* ========================================================
   DRAW2CHAR AI - Estilos Específicos del Editor y Estudio IA
   ======================================================== */

.editor-layout {
  display: grid;
  grid-template-columns: 340px 1fr 340px;
  gap: 1.5rem;
  max-width: 1700px;
  margin: 1.5rem auto;
  padding: 0 1.5rem;
  min-height: calc(100vh - 120px);
  position: relative;
  z-index: 1;
}

@media (max-width: 1200px) {
  .editor-layout {
    grid-template-columns: 320px 1fr;
  }
  .editor-sidebar-right {
    grid-column: 1 / -1;
  }
}

@media (max-width: 900px) {
  .editor-layout {
    grid-template-columns: 1fr;
  }
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--border-color);
}

.panel-title {
  font-size: 1.05rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* ========================================================
   ZONA DE CARGA DE DIBUJOS (DROPZONE)
   ======================================================== */
.upload-dropzone {
  border: 2px dashed rgba(99, 102, 241, 0.4);
  background: rgba(99, 102, 241, 0.03);
  border-radius: var(--radius-lg);
  padding: 2.25rem 1.5rem;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.upload-dropzone:hover, .upload-dropzone.dragover {
  border-color: var(--primary);
  background: rgba(99, 102, 241, 0.08);
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.2);
}

.dropzone-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 1rem;
  border-radius: 50%;
  background: var(--bg-elevated);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--primary);
}

.dropzone-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.dropzone-hint {
  font-size: 0.825rem;
  color: var(--text-muted);
}

.upload-preview-container {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-top: 1rem;
  border: 1px solid var(--border-color);
  background: #000;
  display: none;
}

.upload-preview-img {
  width: 100%;
  max-height: 280px;
  object-fit: contain;
  display: block;
}

.preview-overlay-actions {
  position: absolute;
  top: 8px;
  right: 8px;
  display: flex;
  gap: 6px;
}

/* Información del archivo */
.file-meta-badge {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.775rem;
  color: var(--text-secondary);
  background: var(--bg-elevated);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  margin-top: 0.75rem;
}

/* ========================================================
   SELECTOR DE ESTILOS ARTÍSTICOS
   ======================================================== */
.style-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.65rem;
  margin: 1rem 0;
}

.style-card {
  border: 1px solid var(--border-color);
  background: var(--bg-elevated);
  border-radius: var(--radius-md);
  padding: 0.75rem 0.5rem;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  user-select: none;
}

.style-card:hover {
  border-color: var(--primary);
  background: var(--bg-card-hover);
}

.style-card.active {
  border-color: var(--primary);
  background: rgba(99, 102, 241, 0.15);
  box-shadow: 0 0 15px rgba(99, 102, 241, 0.3);
}

.style-icon {
  font-size: 1.5rem;
  margin-bottom: 0.35rem;
}

.style-name {
  font-size: 0.825rem;
  font-weight: 700;
}

/* ========================================================
   ÁREA CENTRAL: COMPARADOR ANTES / DESPUÉS (SPLIT VIEWER)
   ======================================================== */
.workspace-center {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.comparator-viewport {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 11;
  min-height: 480px;
  background: #090a10;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.comparator-image-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  user-select: none;
}

.comparator-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

/* Capa Izquierda (Original) recortada dinámicamente con clip-path */
.comparator-before {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: 10;
  /* El width se ajusta con JavaScript vía slider */
}

.comparator-slider-bar {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--primary);
  z-index: 20;
  cursor: ew-resize;
  box-shadow: 0 0 12px rgba(99, 102, 241, 0.8);
}

.comparator-handle {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  border: 3px solid #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  box-shadow: 0 0 20px rgba(0,0,0,0.6);
  cursor: ew-resize;
}

.comparator-tag {
  position: absolute;
  top: 16px;
  padding: 0.35rem 0.85rem;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  border-radius: var(--radius-full);
  font-size: 0.775rem;
  font-weight: 700;
  color: #fff;
  z-index: 15;
  letter-spacing: 0.5px;
}

.tag-before { left: 16px; }
.tag-after  { right: 16px; }

/* Canvas del Editor Activo */
#editorCanvas {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  display: none;
}

/* ========================================================
   PROGRESO DE IA (OVERLAY MULTIPASO)
   ======================================================== */
.ai-processing-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 11, 16, 0.9);
  backdrop-filter: blur(12px);
  z-index: 50;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  padding: 2rem;
  text-align: center;
}

.ai-pulse-orb {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--gradient-main);
  box-shadow: 0 0 40px var(--primary);
  animation: pulseOrb 1.6s infinite ease-in-out;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: #fff;
}

@keyframes pulseOrb {
  0% { transform: scale(0.9); box-shadow: 0 0 20px var(--primary); }
  50% { transform: scale(1.1); box-shadow: 0 0 60px var(--accent-purple); }
  100% { transform: scale(0.9); box-shadow: 0 0 20px var(--primary); }
}

.progress-steps-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  width: 100%;
  max-width: 380px;
}

.progress-step-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: var(--transition);
}

.progress-step-item.active {
  color: #fff;
  font-weight: 700;
}

.progress-step-item.completed {
  color: var(--accent-emerald);
}

.step-indicator-circle {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 2px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
}

.progress-step-item.active .step-indicator-circle {
  border-color: var(--primary);
  background: rgba(99, 102, 241, 0.2);
}

.progress-step-item.completed .step-indicator-circle {
  border-color: var(--accent-emerald);
  background: var(--accent-emerald);
  color: #fff;
}

/* ========================================================
   BARRA DE ACCIONES PRINCIPALES
   ======================================================== */
.action-buttons-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  align-items: center;
}

/* ========================================================
   PANEL DERECHO: HERRAMIENTAS Y AJUSTES DE EDICIÓN
   ======================================================== */
.tool-group {
  margin-bottom: 1.25rem;
}

.tool-group-label {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  margin-bottom: 0.65rem;
}

.control-slider-row {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 0.85rem;
}

.slider-label-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.825rem;
  color: var(--text-secondary);
}

input[type="range"] {
  -webkit-appearance: none;
  width: 100%;
  height: 6px;
  background: var(--bg-elevated);
  border-radius: var(--radius-full);
  outline: none;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  box-shadow: 0 0 8px var(--primary-glow);
  transition: transform 0.15s ease;
}

input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

/* Paleta de Colores en Fila */
.color-swatches-row {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.color-swatch-btn {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid var(--border-color);
  cursor: pointer;
  transition: transform 0.15s ease;
}

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

/* Grilla de Poses y Expresiones en Modales */
.grid-picker {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 0.85rem;
}

.picker-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem 0.5rem;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
}

.picker-card:hover {
  border-color: var(--primary);
  background: rgba(99, 102, 241, 0.1);
  transform: translateY(-2px);
}

.picker-card-icon {
  font-size: 2rem;
  margin-bottom: 0.35rem;
}

.picker-card-title {
  font-size: 0.85rem;
  font-weight: 600;
}

/* Visor de Sprites para Videojuegos */
.sprites-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
  gap: 0.75rem;
  margin-top: 1rem;
}

.sprite-frame-card {
  background: #000;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.5rem;
  text-align: center;
}

.sprite-frame-img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: contain;
  image-rendering: pixelated;
}

.sprite-frame-label {
  font-size: 0.725rem;
  font-family: var(--font-mono);
  color: var(--accent-cyan);
  margin-top: 0.35rem;
}