:root {
  --primary: #6366f1;
  --primary-glow: rgba(99, 102, 241, 0.5);
  --secondary: #a855f7;
  --accent: #10b981;
  --background: #0f172a;
  --surface: rgba(30, 41, 59, 0.7);
  --surface-border: rgba(255, 255, 255, 0.1);
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --glass-bg: rgba(255, 255, 255, 0.03);
  --glass-border: rgba(255, 255, 255, 0.08);
  --card-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: 'Sarabun', sans-serif;
  background: radial-gradient(circle at top right, #1e1b4b, #0f172a);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
}

.glass-card {
  background: var(--surface);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--surface-border);
  border-radius: 24px;
  box-shadow: var(--card-shadow);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  border: none;
  padding: 12px 24px;
  border-radius: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--primary-glow);
  filter: brightness(1.1);
}

.btn-primary:active {
  transform: translateY(0);
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.05); }
  100% { transform: scale(1); }
}

.animate-fade-in {
  animation: fadeIn 0.6s ease-out forwards;
}
/* Attendance Risk Badges */
.badge-risk {
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid transparent;
}

.badge-risk-green {
  background: rgba(16, 185, 129, 0.1);
  color: #10b981;
  border-color: rgba(16, 185, 129, 0.2);
}

.badge-risk-yellow {
  background: rgba(245, 158, 11, 0.1);
  color: #f59e0b;
  border-color: rgba(245, 158, 11, 0.2);
}

.badge-risk-orange {
  background: rgba(249, 115, 22, 0.1);
  color: #f97316;
  border-color: rgba(249, 115, 22, 0.2);
}

.badge-risk-red {
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
  border-color: rgba(239, 68, 68, 0.2);
  animation: pulse 2s infinite;
}