* { box-sizing: border-box; margin:0; padding:0; }
body { font-family: Arial, sans-serif; background: #f0f2f5; padding: 20px; line-height: 1.6; }
.container { max-width: 900px; margin: 0.px auto; background: white; padding: 30px; border-radius: 12px; box-shadow: 0 5px 20px rgba(0,0,0,0.1); }
h1 { text-align: center; color: #1a5fb4; margin-bottom: 10px; }
h1 small { display: block; font-size: 16px; color: #666; margin-top: 8px; }
.info { text-align: center; color: #e63946; font-weight: bold; margin-bottom: 20px; }
.pdf-viewer { border: 2px solid #ddd; border-radius: 8px; overflow: hidden; margin-bottom: 30px; }
label { display: block; margin: 15px 0 8px; font-weight: bold; }
input, select { width: 100%; padding: 12px; border: 1px solid #ccc; border-radius: 6px; font-size: 16px; }
button, .btn { background: #1a5fb4; color: white; padding: 14px 30px; border: none; border-radius: 6px; cursor: pointer; font-size: 16px; margin-top: 20px; display: inline-block; text-decoration: none; text-align: center; }
button:hover, .btn:hover { background: #0d47a1; }
.question { margin: 35px 0; padding: 20px; background: #f8f9fa; border-radius: 8px; border-left: 5px solid #1a5fb4; }
.question label { font-weight: normal; display: block; margin: 12px 0; cursor: pointer; }
.result-card { padding: 20px; margin: 20px 0; border-radius: 8px; border-left: 6px solid; }
.passed { border-color: #2a9d8f; background: #e8f5e9; }
.failed { border-color: #e63946; background: #ffebee; }
@media (max-width: 600px) {
    .container { padding: 15px; }
    embed { height: 400px; }
}