* { box-sizing: border-box; margin: 0; padding: 0; font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; }
body { background-color: #f4f6f8; color: #333; }
.auth-body { display: flex; justify-content: center; align-items: center; min-height: 100vh; background-color: #1a202c; }
.auth-card { background: #fff; padding: 2rem; border-radius: 8px; width: 100%; max-width: 400px; box-shadow: 0 4px 12px rgba(0,0,0,0.15); }
.auth-card h2 { margin-bottom: 1.5rem; color: #2d3748; text-align: center; }
input, select, button { width: 100%; padding: 0.75rem; margin-bottom: 1rem; border: 1px solid #cbd5e0; border-radius: 4px; font-size: 1rem; }
.btn-primary { background-color: #2b6cb0; color: white; font-weight: bold; border: none; cursor: pointer; }
.btn-primary:hover { background-color: #2c5282; }
.btn-secondary { background-color: #e2e8f0; color: #4a5568; border: none; cursor: pointer; }
header { background: #2b6cb0; color: white; padding: 1rem 2rem; display: flex; justify-content: space-between; align-items: center; }
.container { padding: 2rem; max-width: 1200px; margin: 0 auto; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.5rem; margin-top: 1.5rem; }
.card { background: white; padding: 1.5rem; border-radius: 8px; border: 1px solid #e2e8f0; }
table { width: 100%; border-collapse: collapse; margin-top: 1rem; }
th, td { border: 1px solid #e2e8f0; padding: 0.5rem; text-align: left; }
th { background-color: #edf2f7; }