/* ========================================
   CROP MANUAL - CSS STYLES
   Color Palette: #7BB8FF, #050F2A, #F2FDFF, #B8A9FF
======================================== */

:root {
  --primary: #7BB8FF;
  --dark: #050F2A;
  --light: #F2FDFF;
  --secondary: #B8A9FF;
  --crop-border: #FF0000;
  --overlay-bg: rgba(5, 15, 42, 0.7);

  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --transition: all 0.2s ease;
}

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

body {
  font-family: var(--font-family);
  background: linear-gradient(135deg, var(--dark) 0%, #0a1a3a 100%);
  color: var(--light);
  min-height: 100vh;
  overflow: hidden;
}

/* App Container */
.app-container {
  display: flex;
  flex-direction: column;
  height: 100vh;
  max-width: 1400px;
  margin: 0 auto;
  padding: 20px;
}

/* Header */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  background: rgba(123, 184, 255, 0.08);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(123, 184, 255, 0.15);
  margin-bottom: 20px;
  backdrop-filter: blur(10px);
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: -0.5px;
}

/* Aspect Ratio Selector */
.aspect-ratio-selector {
  display: flex;
  gap: 8px;
  background: rgba(5, 15, 42, 0.5);
  padding: 6px;
  border-radius: var(--radius-md);
}

.ratio-btn {
  padding: 10px 20px;
  font-size: 0.9rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--light);
  cursor: pointer;
  transition: var(--transition);
}

.ratio-btn:hover {
  background: rgba(123, 184, 255, 0.15);
}

.ratio-btn.active {
  background: var(--primary);
  color: var(--dark);
}

/* Mode Toggle */
.mode-toggle {
  display: flex;
  gap: 4px;
  background: rgba(5, 15, 42, 0.5);
  padding: 4px;
  border-radius: var(--radius-md);
}

.mode-btn {
  padding: 8px 16px;
  font-size: 0.85rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--light);
  cursor: pointer;
  transition: var(--transition);
}

.mode-btn:hover {
  background: rgba(123, 184, 255, 0.15);
}

.mode-btn.active {
  background: var(--secondary);
  color: var(--dark);
}

/* Batch Counter */
.batch-counter {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 10px 20px;
  background: rgba(184, 169, 255, 0.2);
  border-radius: var(--radius-md);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--secondary);
}

.batch-counter #currentIndex {
  color: var(--primary);
  font-size: 1.3rem;
}

/* Main Content */
.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  position: relative;
}

/* Upload Zone */
.upload-zone {
  width: 100%;
  max-width: 800px;
  padding: 60px 40px;
  background: rgba(123, 184, 255, 0.05);
  border: 2px dashed rgba(123, 184, 255, 0.3);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
}

.upload-zone:hover,
.upload-zone.dragover {
  background: rgba(123, 184, 255, 0.1);
  border-color: var(--primary);
  transform: scale(1.01);
}

.upload-content {
  pointer-events: none;
}

.upload-icon {
  font-size: 4rem;
  margin-bottom: 16px;
  filter: grayscale(0.3);
}

.upload-zone h2 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--light);
  margin-bottom: 8px;
}

.upload-zone p {
  font-size: 0.9rem;
  color: rgba(242, 253, 255, 0.6);
}

/* Canvas Container */
.canvas-container {
  position: relative;
  max-width: 100%;
  max-height: calc(100vh - 280px);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

#cropCanvas {
  display: block;
  max-width: 100%;
  max-height: calc(100vh - 280px);
  object-fit: contain;
}

/* Crop Overlay - Now drawn on canvas */
.crop-overlay {
  position: absolute;
  pointer-events: none;
  display: none;
}

/* Instructions */
.instructions {
  display: flex;
  gap: 24px;
  padding: 16px 32px;
  background: rgba(184, 169, 255, 0.1);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(184, 169, 255, 0.2);
}

.instruction-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
}

.instruction-item .key {
  font-weight: 600;
  color: var(--secondary);
}

/* Actions */
.actions {
  display: flex;
  gap: 12px;
}

.btn {
  padding: 12px 24px;
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 8px;
}

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

.btn-primary:hover {
  background: #9acaff;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(123, 184, 255, 0.3);
}

.btn-secondary {
  background: rgba(184, 169, 255, 0.15);
  color: var(--secondary);
  border: 1px solid rgba(184, 169, 255, 0.3);
}

.btn-secondary:hover {
  background: rgba(184, 169, 255, 0.25);
  transform: translateY(-2px);
}

/* Footer */
.footer {
  padding: 16px;
  text-align: center;
  color: rgba(242, 253, 255, 0.4);
  font-size: 0.85rem;
}

/* Loading State */
.loading {
  position: fixed;
  inset: 0;
  background: rgba(5, 15, 42, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.loading::after {
  content: '';
  width: 48px;
  height: 48px;
  border: 3px solid rgba(123, 184, 255, 0.2);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Toast Notifications */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  padding: 14px 28px;
  background: var(--primary);
  color: var(--dark);
  font-weight: 600;
  border-radius: var(--radius-md);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  z-index: 1000;
  animation: slideUp 0.3s ease;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

/* Responsive */
@media (max-width: 768px) {
  .app-container {
    padding: 12px;
  }

  .header {
    flex-direction: column;
    gap: 12px;
    padding: 12px 16px;
  }

  .instructions {
    flex-direction: column;
    gap: 12px;
    padding: 16px 20px;
  }

  .upload-zone {
    padding: 40px 24px;
  }
}