body{background:#f5f7fb}.card{border:0;border-radius:16px}.btn{border-radius:10px}.navbar{box-shadow:0 6px 20px rgba(0,0,0,.06)}.exam-card{border-left:5px solid #0d6efd}.camera-box{position:sticky;top:15px}.video-small{width:100%;max-width:260px;border-radius:14px;border:3px solid #198754;background:#111}.warning-box{background:#fff3cd;border-left:5px solid #ffc107;padding:12px;border-radius:10px}.danger-text{color:#dc3545;font-weight:700}