/* === TOKENS ANTUAN === */
:root {
  --color-primary: hsl(189, 100%, 50%);
  --color-primary-dim: hsl(189, 100%, 40%);
  --color-primary-glow: hsla(189, 100%, 50%, 0.15);
  
  --color-bg-void: hsl(220, 30%, 6%);
  --color-bg-dark: hsl(220, 28%, 10%);
  --color-bg-surface: hsl(220, 22%, 14%);
  --color-bg-elevated: hsl(220, 18%, 18%);
  
  --color-text-primary: hsl(0, 0%, 96%);
  --color-text-secondary: hsl(220, 10%, 65%);
  --color-text-muted: hsl(220, 8%, 45%);
  
  --color-success: hsl(142, 71%, 45%);
  --color-success-dim: hsl(142, 71%, 35%);
  --color-danger: hsl(0, 84%, 60%);
  --color-danger-dim: hsl(0, 84%, 50%);
  
  --glass-border: 1px solid rgba(255, 255, 255, 0.08);
  
  --radius-md: 12px;
  --radius-lg: 20px;
  
  --ease-soft: cubic-bezier(0.4, 0, 0.2, 1);
}

.antuan-carteles-wrapper {
  background-color: var(--color-bg-void);
  color: var(--color-text-primary);
  font-family: 'Inter', sans-serif;
  padding: 40px;
  border-radius: var(--radius-lg);
  border: var(--glass-border);
  max-width: 900px;
  margin: 0 auto;
}

.ac-header {
  text-align: center;
  margin-bottom: 40px;
}

.ac-header h2 {
  color: var(--color-text-primary);
  font-family: 'Outfit', sans-serif;
  font-size: 2rem;
  margin-bottom: 8px;
}

.ac-header p {
  color: var(--color-text-secondary);
}

/* Stepper */
.ac-stepper {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 40px;
}

.ac-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  opacity: 0.4;
  transition: opacity 0.3s var(--ease-soft);
}

.ac-step.active, .ac-step.completed {
  opacity: 1;
}

.ac-step-circle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-bg-surface);
  border: 2px solid var(--color-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  margin-bottom: 8px;
  transition: all 0.3s var(--ease-soft);
}

.ac-step.active .ac-step-circle {
  border-color: var(--color-primary);
  background: var(--color-primary-glow);
  color: var(--color-primary);
  box-shadow: 0 0 15px var(--color-primary-glow);
}

.ac-step.completed .ac-step-circle {
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: var(--color-bg-void);
}

.ac-step-line {
  height: 2px;
  width: 80px;
  background: var(--color-bg-elevated);
  margin: 0 15px;
  transform: translateY(-12px);
}

/* Panels */
.ac-panel {
  display: none;
  animation: fadeIn 0.4s var(--ease-soft);
}

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

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Dropzone */
.ac-upload-area {
  border: 2px dashed var(--color-text-muted);
  border-radius: var(--radius-md);
  padding: 60px 20px;
  text-align: center;
  background: var(--color-bg-surface);
  transition: all 0.3s var(--ease-soft);
  cursor: pointer;
}

.ac-upload-area.dragover {
  border-color: var(--color-primary);
  background: var(--color-primary-glow);
}

.ac-upload-icon {
  color: var(--color-primary);
  margin-bottom: 20px;
}

.ac-hidden-input {
  display: none;
}

/* Buttons */
.ac-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s var(--ease-soft);
  border: none;
  font-size: 1rem;
}

.ac-btn-outline {
  background: transparent;
  border: 1px solid var(--color-text-muted);
  color: var(--color-text-primary);
}

.ac-btn-outline:hover {
  border-color: var(--color-text-primary);
  background: rgba(255,255,255,0.05);
}

.ac-btn-primary {
  background: var(--color-primary);
  color: var(--color-bg-void);
}

.ac-btn-primary:hover {
  background: var(--color-primary-dim);
}

.ac-btn-success { background: var(--color-success); color: white; }
.ac-btn-success:hover { background: var(--color-success-dim); }

.ac-btn-danger { background: var(--color-danger); color: white; }
.ac-btn-danger:hover { background: var(--color-danger-dim); }

.ac-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Columns container */
.ac-columns-container {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 20px;
  margin-top: 20px;
}

@media (max-width: 768px) {
  .ac-columns-container {
    grid-template-columns: 1fr;
  }
}

.ac-column-box {
  background: var(--color-bg-surface);
  border: var(--glass-border);
  border-radius: var(--radius-md);
  padding: 15px;
  min-height: 300px;
  display: flex;
  flex-direction: column;
}

.ac-column-box h4 {
  margin-top: 0;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-bg-elevated);
  margin-bottom: 15px;
}

.ac-sortable-list {
  list-style: none;
  padding: 0;
  margin: 0;
  min-height: 200px;
  flex-grow: 1;
}

.ac-sortable-list li {
  background: var(--color-bg-elevated);
  padding: 10px 15px;
  margin-bottom: 8px;
  border-radius: 6px;
  cursor: grab;
  border: 1px solid transparent;
  transition: border 0.2s;
}

.ac-sortable-list li:active {
  cursor: grabbing;
}

.ac-list-info li:hover { border-color: var(--color-primary); }
.ac-list-prod li:hover { border-color: var(--color-success); }
.ac-list-trash li:hover { border-color: var(--color-danger); opacity: 0.6; }

.ac-actions {
  margin-top: 30px;
  display: flex;
  justify-content: space-between;
}

/* Alerts */
.ac-alert {
  padding: 15px;
  border-radius: 8px;
  margin-bottom: 20px;
  background: var(--color-bg-surface);
  border-left: 4px solid var(--color-primary);
}

/* Results Hero */
.ac-results-hero {
  text-align: center;
  padding: 40px 20px;
  background: var(--color-bg-surface);
  border-radius: var(--radius-md);
  border: var(--glass-border);
}

.ac-success-icon {
  color: var(--color-success);
  margin-bottom: 20px;
}

.ac-results-hero h3 {
  font-size: 2rem;
  margin-bottom: 15px;
}

.ac-download-actions {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 30px;
}

@media (max-width: 600px) {
  .ac-download-actions {
    flex-direction: column;
  }
}