@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

body {
  font-family: 'Inter', sans-serif;
  background-color: #f7f9fc;
  color: #111827;
}

.glass-panel {
  background: white;
  border-radius: 1rem;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
  border: 1px solid #f3f4f6;
}

.upload-area {
  border: 2px dashed #d1d5db;
  border-radius: 1rem;
  transition: all 0.2s ease-in-out;
  cursor: pointer;
}

.upload-area:hover, .upload-area.dragover {
  border-color: #6366f1;
  background-color: #eff6ff;
}

.gradient-btn {
  background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
  color: white;
  transition: transform 0.1s ease, box-shadow 0.2s ease;
}

.gradient-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 15px -3px rgba(99, 102, 241, 0.4);
}

.gradient-btn:disabled {
  background: #9ca3af;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.spinner {
  border: 3px solid rgba(255,255,255,0.3);
  border-radius: 50%;
  border-top: 3px solid white;
  width: 20px;
  height: 20px;
  animation: spin 1s linear infinite;
  display: inline-block;
  vertical-align: middle;
  margin-right: 8px;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.hidden {
  display: none !important;
}

/* Switches */
.switch {
  position: relative;
  display: inline-block;
  width: 40px;
  height: 20px;
}

.switch input { 
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: #ccc;
  transition: .4s;
  border-radius: 20px;
}

.slider:before {
  position: absolute;
  content: "";
  height: 16px;
  width: 16px;
  left: 2px;
  bottom: 2px;
  background-color: white;
  transition: .4s;
  border-radius: 50%;
}

input:checked + .slider {
  background-color: #6366f1;
}

input:checked + .slider:before {
  transform: translateX(20px);
}