:root {
  --primary: #1e293b;
  --primary-light: #334155;
  --accent: #2563eb;
  --accent-light: #60a5fa;
  --success: #059669;
  --warning: #d97706;
  --danger: #dc2626;
  --background: #f8fafc;
  --surface: #ffffff;
  --text: #0f172a;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

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

body {
  font-family: var(--font-main);
  background-color: var(--background);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

button {
  cursor: pointer;
  font-family: inherit;
  border: none;
  background: none;
  transition: all 0.2s ease;
}

input, select, textarea {
  font-family: inherit;
  font-size: 1rem;
}

.glass-card {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 1rem;
  box-shadow: var(--shadow);
}

.btn-primary {
  background-color: var(--accent);
  color: white;
  padding: 0.6rem 1.2rem;
  border-radius: 0.5rem;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background-color: var(--accent-light);
  transform: translateY(-1px);
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
  animation: fadeIn 0.4s ease-out forwards;
}