/* Config Panel Styles */
.config-panel {
  width: var(--config-panel-width);
  background: var(--config-panel-bg);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-normal);
  flex-shrink: 0;
}

.config-panel.collapsed {
  transform: translateX(calc(-1 * var(--config-panel-width) + 40px));
}

.config-header {
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.config-header h3 {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 600;
}

.config-toggle {
  background: none;
  border: none;
  font-size: 1.2rem;
  cursor: pointer;
  padding: var(--spacing-xs);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.config-toggle:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.config-content {
  padding: var(--spacing-md);
  flex: 1;
  overflow-y: auto;
}

.config-group {
  margin-bottom: var(--spacing-lg);
}

.config-group label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
  color: var(--text-secondary);
}

.config-group select,
.config-group input {
  width: 100%;
  padding: var(--spacing-sm);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: var(--bg-primary);
  color: var(--text-primary);
  transition: border-color var(--transition-fast);
}

.config-group select:focus,
.config-group input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* === SHARE SECTION === */
.config-section {
  margin: var(--spacing-lg) 0;
  padding: var(--spacing-md);
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.section-title {
  margin: 0 0 var(--spacing-sm) 0;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Share buttons now use standard config-group styling */
.config-section .config-group {
  margin-bottom: var(--spacing-sm);
}

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

/* URL Display for share modals */
.url-display {
  margin: var(--spacing-md) 0;
  padding: var(--spacing-sm);
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.url-display label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xs);
}

.url-display input {
  width: 100%;
  padding: var(--spacing-sm);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: 'Courier New', monospace;
  font-size: 0.8rem;
  cursor: pointer;
}

.url-display input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Buttons */
.btn-primary,
.btn-secondary {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  border: none;
  border-radius: var(--radius-sm);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  margin-bottom: var(--spacing-xs);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
}

.btn-primary {
  background: var(--primary-color);
  color: white;
}

.btn-primary:hover {
  background: #1d4ed8;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: var(--bg-primary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

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

/* FontAwesome Icon Styling */
.btn-primary i,
.btn-secondary i {
  font-size: 0.9em;
  opacity: 0.9;
}

.widget-icon i {
  font-size: 1.2em;
  color: var(--primary-color);
}

.config-toggle i {
  font-size: 0.8em;
  transition: transform var(--transition-fast);
}

.config-toggle:hover i {
  transform: scale(1.1);
}

#add-widget {
    height: 54px;
    margin: 12px 0;
    font-size: large;
    font-weight: bold;
}

/* Widget Styles */
.dashboard-widget {
  background: var(--widget-bg);
  border: var(--widget-border);
  border-radius: var(--widget-border-radius);
  min-height: var(--widget-min-height);
  display: flex;
  flex-direction: column;
  /* Transiciones específicas en lugar de 'all' para evitar conflictos con drag & drop */
  transition: 
    box-shadow var(--transition-fast),
    border-color var(--transition-fast),
    background-color var(--transition-fast);
  cursor: grab;
  overflow: hidden;
  /* Optimización para animaciones de transform */
  will-change: transform;
}

.dashboard-widget:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--border-hover);
}

.dashboard-widget:active {
  cursor: grabbing;
}

.widget-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-tertiary);
}

.widget-title {
  font-weight: 600;
  color: var(--text-primary);
}

.widget-controls {
  display: flex;
  gap: var(--spacing-xs);
}

.widget-btn {
  background: none;
  border: none;
  cursor: pointer;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  font-size: 0.9rem;
}

.widget-btn:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.widget-close:hover {
  background: var(--danger-color);
  color: white;
}

.widget-content {
  flex: 1;
  padding: var(--spacing-md);
  display: flex;
  flex-direction: column;
}

.widget-placeholder {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-muted);
  min-height: 120px;
  font-style: italic;
}

.widget-placeholder::before {
  content: "\f201 Chart Area";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
}

/* Widget Sizes */
.widget-small { min-height: 150px; }
.widget-medium { min-height: 250px; }
.widget-large { min-height: 400px; }

/* Responsive Widgets */
@media (max-width: 768px) {
  .config-panel {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    z-index: 1000;
    box-shadow: var(--shadow-lg);
  }
  
  .config-panel.collapsed {
    transform: translateX(-100%);
  }
  
  /* No margin adjustment on mobile */
  .config-panel.collapsed ~ .dashboard-container {
    margin-left: 0;
  }
  
  .dashboard-container {
    margin-left: 0;
  }
  
  .widget-header {
    padding: var(--spacing-sm);
  }
  
  .widget-content {
    padding: var(--spacing-sm);
  }
}

/* Animations - Optimized for drag & drop compatibility */
@keyframes widget-appear {
  from {
    opacity: 0;
    transform: translateY(10px); /* Reduced movement to prevent conflicts */
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.dashboard-widget.new {
  animation: widget-appear var(--transition-normal) cubic-bezier(0.25, 0.1, 0.25, 1);
  /* Ensure animation doesn't interfere with future drag operations */
  animation-fill-mode: none;
}

/* Loading States */
.widget-loading .widget-placeholder {
  background: linear-gradient(90deg, var(--bg-secondary) 25%, var(--bg-tertiary) 50%, var(--bg-secondary) 75%);
  background-size: 200% 100%;
  animation: loading-shimmer 1.5s infinite;
}

.widget-loading .widget-placeholder::before {
  content: "\f251 Cargando...";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
}

@keyframes loading-shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}