/* Upload Zone Styles */
.upload-zone {
  grid-column: 1 / -1;
  border: 3px dashed #007bff;
  border-radius: 12px;
  padding: 40px 20px;
  text-align: center;
  background: linear-gradient(135deg, rgba(0, 123, 255, 0.05) 0%, rgba(0, 123, 255, 0.02) 100%);
  transition: all 0.3s ease;
  cursor: pointer;
  margin: 20px 0;
  position: relative;
  z-index: 10;
  min-height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.upload-zone:hover,
.upload-zone.drag-over {
  border-color: var(--accent, #007bff);
  background: rgba(0, 123, 255, 0.05);
  transform: scale(1.02);
}

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

.upload-icon {
  font-size: 48px;
  margin-bottom: 16px;
}

.upload-zone h3 {
  margin: 0 0 8px 0;
  color: var(--text-color, #333);
  font-size: 18px;
}

.upload-zone p {
  margin: 0 0 20px 0;
  color: var(--text-muted, #666);
  font-size: 14px;
}

.upload-button {
  background: var(--accent, #007bff);
  color: white;
  border: none;
  padding: 12px 24px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  transition: all 0.2s ease;
  pointer-events: all;
}

.upload-button:hover {
  background: var(--accent-hover, #0056b3);
  transform: translateY(-1px);
}

/* Upload Progress */
.upload-progress {
  margin-top: 20px;
  padding: 20px;
  background: rgba(0, 0, 0, 0.05);
  border-radius: 8px;
}

.progress-bar {
  width: 100%;
  height: 8px;
  background: rgba(0, 0, 0, 0.1);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 12px;
}

.progress-fill {
  height: 100%;
  background: var(--accent, #007bff);
  border-radius: 4px;
  width: 0%;
  transition: width 0.3s ease;
  animation: progress-pulse 1.5s ease-in-out infinite;
}

@keyframes progress-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

.progress-text {
  margin: 0;
  font-size: 14px;
  color: var(--text-muted, #666);
  text-align: center;
}

/* Upload Error */
.upload-error {
  grid-column: 1 / -1;
  background: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
  border-radius: 6px;
  padding: 16px;
  margin: 20px 0;
  animation: slideIn 0.3s ease;
}

.upload-error p {
  margin: 0 0 12px 0;
  font-weight: 500;
}

.upload-error button {
  background: #721c24;
  color: white;
  border: none;
  padding: 6px 12px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 12px;
}

.upload-error button:hover {
  background: #5a1820;
}

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

/* Edit Mode Enhancements */
.edit-mode .moodboard-grid {
  background: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 10px,
    rgba(0, 0, 0, 0.01) 10px,
    rgba(0, 0, 0, 0.01) 20px
  );
}

.edit-mode .moodboard-post {
  position: relative;
}

.edit-mode .moodboard-post::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  border: 2px solid transparent;
  border-radius: 4px;
  transition: all 0.2s ease;
  pointer-events: none;
}

.edit-mode .moodboard-post:hover::before {
  border-color: var(--accent, #007bff);
  box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.2);
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .upload-zone {
    padding: 30px 16px;
    margin: 16px 0;
  }
  
  .upload-icon {
    font-size: 36px;
  }
  
  .upload-zone h3 {
    font-size: 16px;
  }
  
  .upload-zone p {
    font-size: 13px;
  }
  
  .upload-button {
    padding: 10px 20px;
    font-size: 13px;
  }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
  .upload-zone {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.2);
  }
  
  .upload-zone:hover,
  .upload-zone.drag-over {
    border-color: var(--accent, #4dabf7);
    background: rgba(77, 171, 247, 0.1);
  }
  
  .upload-zone h3 {
    color: var(--text-color, #e9ecef);
  }
  
  .upload-zone p {
    color: var(--text-muted, #adb5bd);
  }
  
  .upload-progress {
    background: rgba(255, 255, 255, 0.05);
  }
  
  .progress-bar {
    background: rgba(255, 255, 255, 0.1);
  }
}