/* Upload Component Styles */
.upload-container {
  min-height: 100vh;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.upload-content {
  background: white;
  border-radius: 20px;
  padding: 40px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  max-width: 600px;
  width: 100%;
  text-align: center;
}

/* Header Styles */
.upload-header {
  text-align: center;
  margin-bottom: 40px;
}

.back-button {
  background: #6c757d;
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
  margin-bottom: 20px;
  transition: background 0.2s ease;
}

.back-button:hover {
  background: #5a6268;
}

.upload-title {
  font-size: 2.5rem;
  font-weight: bold;
  color: #1F2937;
  margin: 20px 0 10px 0;
}

.upload-subtitle {
  color: #6c757d;
  font-size: 1.1rem;
  margin-bottom: 30px;
  line-height: 1.6;
}

/* Upload Area Styles */
.upload-area {
  border: 3px dashed #dee2e6;
  border-radius: 15px;
  padding: 40px 20px;
  margin: 20px 0;
  cursor: pointer;
  transition: all 0.3s ease;
  background: #f8f9fa;
}

.upload-area:hover {
  border-color: #007bff;
  background: #e3f2fd;
  transform: translateY(-2px);
}

.upload-area.drag-over {
  border-color: #28a745;
  background: #d4edda;
  transform: scale(1.02);
}

.upload-area.has-file {
  border-color: #10B981;
  background: #F0FDF4;
}

.upload-placeholder {
  color: #6B7280;
}

.upload-icon {
  font-size: 3rem;
  margin-bottom: 15px;
}

.upload-area h3 {
  color: #2c3e50;
  font-size: 1.3rem;
  margin-bottom: 10px;
  font-weight: 600;
}

.upload-area p {
  color: #6c757d;
  font-size: 1rem;
  margin: 5px 0;
}

/* Selected File Styles */
.selected-file {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: white;
  padding: 20px;
  border-radius: 8px;
  border: 1px solid #E5E7EB;
}

.file-info {
  background: #e3f2fd;
  border: 1px solid #bbdefb;
  border-radius: 10px;
  padding: 20px;
  margin: 20px 0;
  text-align: left;
}

.file-info h4 {
  color: #1976d2;
  margin-bottom: 10px;
  font-size: 1.1rem;
}

.file-info p {
  margin: 5px 0;
  color: #424242;
  font-size: 0.95rem;
}

.change-file-button {
  background: #F3F4F6;
  border: 1px solid #D1D5DB;
  color: #374151;
  padding: 8px 16px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.9rem;
  transition: all 0.3s ease;
}

.change-file-button:hover {
  background: #E5E7EB;
  border-color: #9CA3AF;
}

/* Upload Progress Styles */
.upload-progress {
  margin-top: 20px;
  text-align: center;
}

.progress-bar {
  width: 100%;
  height: 8px;
  background: #E5E7EB;
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 10px;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, #3B82F6, #1D4ED8);
  border-radius: 4px;
  transition: width 0.3s ease;
}

.upload-progress p {
  margin: 0;
  color: #6B7280;
  font-size: 0.9rem;
}

/* Upload Status Styles */
.upload-status {
  margin-top: 20px;
  padding: 15px;
  border-radius: 8px;
  font-weight: 500;
}

.upload-status.success {
  background: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
}

.upload-status.error {
  background: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
}

.upload-status span {
  font-weight: 600;
  font-size: 1.1rem;
}

.upload-status p {
  margin: 5px 0 0 0;
  font-size: 0.9rem;
}

/* Upload Button Styles */
.upload-button {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border: none;
  padding: 15px 30px;
  border-radius: 10px;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  margin-top: 20px;
  min-width: 200px;
}

.upload-button:hover:not(.disabled) {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.upload-button.disabled {
  background: #6c757d;
  cursor: not-allowed;
  opacity: 0.6;
}

/* File Requirements Styles */
.file-requirements {
  background: #F9FAFB;
  border: 1px solid #E5E7EB;
  border-radius: 8px;
  padding: 25px;
  margin-top: 30px;
}

.file-requirements h3 {
  margin: 0 0 15px 0;
  color: #1F2937;
  font-size: 1.2rem;
}

.file-requirements ul {
  margin: 0;
  padding-left: 20px;
  list-style: none;
}

.file-requirements li {
  margin: 8px 0;
  color: #6B7280;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
}

.file-requirements li::before {
  content: "✅";
  margin-right: 8px;
}

/* Responsive Design */
@media (max-width: 768px) {
  .upload-content {
    padding: 30px 20px;
    margin: 10px;
  }
  
  .upload-title {
    font-size: 2rem;
  }
  
  .upload-subtitle {
    font-size: 1rem;
  }
  
  .drop-zone {
    padding: 40px 20px;
  }
  
  .upload-icon {
    font-size: 3rem;
  }
  
  .upload-placeholder h3 {
    font-size: 1.3rem;
  }
  
  .selected-file {
    flex-direction: column;
    gap: 15px;
    text-align: center;
  }
  
  .file-info {
    flex-direction: column;
    gap: 10px;
  }
  
  .back-button {
    left: 10px;
    top: 10px;
    padding: 6px 10px;
    font-size: 0.8rem;
  }
} 