:root {
  --active-color: #FF4F23;
  --bg-light: #f5f5f5;
  --text-dark: #333;
  --error-color: #F97251;
  --hover-color: #FF4F23;
  --border-light: #C8C8C8;
  --text-gray: #666;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Montserrat', sans-serif;
  background: #fff;
  min-height: 100vh;
}

/* Banner de Privacidad */
.privacy-banner {
  background: var(--bg-light);
  padding: 12px 20px;
  text-align: center;
  border-radius: 20px;
  margin: 20px auto;
  max-width: 600px;
  font-size: 14px;
  color: var(--text-dark);
  font-weight: 500;
}

/* Contenedor Principal */
.main-container {
  display: flex;
  flex-direction: row;
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
  gap: 40px;
  align-items: flex-start;
  justify-content: center;
}

/* Contenedor izquierdo */
.left-container {
  display: flex;
  flex-direction: column;
  gap: 20px;
  align-items: center;
}

/* Área de Drop */
.drop-area {
  width: 400px;
  height: 400px;
  border: 3px dashed var(--active-color);
  border-radius: 16px;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  cursor: pointer;
  transition: border-color 0.3s ease, background-color 0.3s ease;
  flex-shrink: 0;
}

.drop-area:hover {
  border-color: var(--hover-color);
  background-color: rgba(44, 174, 178, 0.02);
}

.drop-area.dragover {
  border-color: var(--hover-color);
  background-color: rgba(44, 174, 178, 0.05);
}

.placeholder {
  text-align: center;
  color: var(--active-color);
}

.placeholder i {
  font-size: 64px;
  margin-bottom: 20px;
  display: block;
}

.placeholder h2 {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--active-color);
}

.placeholder p {
  font-size: 16px;
  color: var(--text-gray);
  font-weight: 400;
}

/* Canvas de imagen */
.image-canvas {
  max-width: 100%;
  max-height: 100%;
  border-radius: 12px;
  cursor: move;
}

/* Estilos para el motor de recorte */
.crop-preview {
  position: relative;
  overflow: hidden;
  border-radius: 12px;
  background-color: #e0e0e0;
  background-image: linear-gradient(45deg, #bdbdbd 25%, transparent 25%, transparent 75%, #bdbdbd 75%),
    linear-gradient(45deg, #bdbdbd 25%, transparent 25%, transparent 75%, #bdbdbd 75%);
  background-size: 32px 32px;
  background-position: 0 0, 16px 16px;
}

.crop-preview canvas {
  display: block;
  cursor: grab;
  transition: cursor 0.2s ease;
}

.crop-preview canvas.dragging {
  cursor: grabbing;
}

.drop-area.has-image {
  padding: 0;
  border: 3px solid var(--active-color);
}

.drop-area.has-image .placeholder {
  display: none;
}

/* Panel de Opciones */
.options-panel {
  width: 300px;
  display: flex;
  flex-direction: column;
  gap: 30px;
}

/* Selector de Tamaños */
.size-selector h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 20px;
  text-align: center;
}

.size-options {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.size-option {
  display: flex;
  align-items: center;
  padding: 12px 16px;
  background: #fff;
  border: 2px solid var(--border-light);
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.3s ease;
  gap: 12px;
}

.size-option:hover {
  border-color: var(--active-color);
  background-color: rgba(44, 174, 178, 0.02);
}

.size-option input[type="radio"] {
  display: none;
}

.radio-icon {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-light);
  border-radius: 50%;
  position: relative;
  transition: all 0.3s ease;
}

.size-option:hover .radio-icon {
  border-color: var(--active-color);
}

.size-option input[type="radio"]:checked + .radio-icon {
  border-color: var(--active-color);
  background-color: var(--active-color);
}

.size-option input[type="radio"]:checked + .radio-icon::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 8px;
  height: 8px;
  background: #fff;
  border-radius: 50%;
}

.size-text {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-dark);
  transition: color 0.3s ease;
}

.size-option:hover .size-text {
  color: var(--active-color);
}

.size-option input[type="radio"]:checked ~ .size-text {
  color: var(--active-color);
  font-weight: 600;
}

/* Slider de zoom */
.zoom-slider-container {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 1.5rem 0;
  padding: 1rem;
  background: var(--bg-light);
  border-radius: 12px;
  border: 1px solid var(--border-light);
}

.zoom-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 500;
  color: var(--text-dark);
  font-size: 0.9rem;
  min-width: 80px;
}

.zoom-label i {
  font-size: 1.2rem;
  color: var(--active-color);
}

.zoom-slider {
  flex: 1;
  height: 6px;
  border-radius: 3px;
  background: var(--border-light);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
  cursor: pointer;
  transition: all 0.2s ease;
}

.zoom-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--active-color);
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
  transition: all 0.2s ease;
}

.zoom-slider::-webkit-slider-thumb:hover {
  transform: scale(1.1);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.zoom-slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--active-color);
  cursor: pointer;
  border: none;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
  transition: all 0.2s ease;
}

.zoom-slider::-moz-range-thumb:hover {
  transform: scale(1.1);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.zoom-value {
  font-weight: 600;
  color: var(--active-color);
  font-size: 0.9rem;
  min-width: 50px;
  text-align: center;
}

/* Botones de Acción */
.action-buttons {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.download-btn, .convert-other-btn {
  padding: 15px 20px;
  border: none;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.download-btn {
  background: var(--active-color);
  color: #fff;
}

.download-btn:hover:not(:disabled) {
  background: var(--hover-color);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(44, 174, 178, 0.3);
}

.download-btn:disabled {
  background: var(--border-light);
  color: var(--text-gray);
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.convert-other-btn {
  background: var(--bg-light);
  color: var(--text-dark);
}

.convert-other-btn:hover {
  background: #e8e8e8;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.download-btn i, .convert-other-btn i {
  font-size: 18px;
}

/* Responsive */
@media (max-width: 768px) {
  .main-container {
    flex-direction: column;
    gap: 30px;
    padding: 15px;
  }

  .left-container {
    gap: 15px;
  }

  .options-panel {
    width: 100%;
    max-width: 400px;
  }

  .drop-area {
    width: 300px;
    height: 300px;
  }

  .placeholder h2 {
    font-size: 20px;
  }

  .placeholder p {
    font-size: 14px;
  }

  .size-options {
    gap: 10px;
  }

  .size-option {
    padding: 10px 14px;
  }

  .download-btn, .convert-other-btn {
    padding: 12px 16px;
    font-size: 13px;
  }
}

@media (max-width: 480px) {
  .privacy-banner {
    margin: 15px;
    font-size: 13px;
    padding: 10px 15px;
  }

  .drop-area {
    width: 250px;
    height: 250px;
  }

  .placeholder i {
    font-size: 48px;
  }

  .placeholder h2 {
    font-size: 18px;
  }
}