/* Bootstrap CDN is handling 95% of styling. This is for specific tweaks */
body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; }
.card { border: none; border-radius: 10px; }
.navbar-brand { font-weight: 700; letter-spacing: 0.5px; }
body { font-family: Arial, sans-serif; background-color: #f4f7f6; margin: 0; padding: 20px; }
.container { max-width: 600px; margin: 0 auto; }
header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
.checker-box { background: #fff; padding: 30px; border-radius: 8px; box-shadow: 0 4px 6px rgba(0,0,0,0.1); }
label { display: block; margin-top: 15px; font-weight: bold; }
select, input { width: 100%; padding: 10px; margin-top: 5px; border: 1px solid #ccc; border-radius: 4px; box-sizing: border-box; }
button { width: 100%; padding: 12px; background: #007bff; color: white; border: none; border-radius: 4px; margin-top: 20px; cursor: pointer; font-size: 16px; }
button:hover { background: #0056b3; }
.success-msg { background: #d4edda; color: #155724; padding: 10px; border-radius: 4px; border: 1px solid #c3e6cb;}
.error-msg { background: #f8d7da; color: #721c24; padding: 10px; border-radius: 4px; border: 1px solid #f5c6cb;}