*{box-sizing:border-box}body{margin:0;background:#dce8e2;color:#173d37;font:16px/1.5 system-ui,sans-serif}.screen{background:#fbfaf2;min-height:100vh;max-width:760px;margin:auto;padding:1.4rem 2rem}.screen-top{display:flex;justify-content:space-between;align-items:center;gap:.5rem;border-bottom:1px solid;padding-bottom:1rem;font-size:.75rem}.wordmark{font:bold 1rem Georgia,serif}.sample,.stage-label{font-size:.7rem;font-weight:750;letter-spacing:.1em}.sample{margin:1.5rem 0;color:#385e56}.stage-label{display:flex;justify-content:space-between}main{max-width:640px}#practice{padding:1rem 0 2rem}h1{font:bold 2.2rem/1.08 Georgia,serif;margin:2rem 0 1rem}p{max-width:65ch}.meta,.fine,footer{font-size:.8rem}fieldset{border:0;padding:0;margin:1rem 0}legend{font-weight:700;margin-bottom:.3rem}.mode{display:block;margin:.5rem 0}.option{display:flex;align-items:center;gap:.65rem;padding:.75rem;border:1px solid #173d37;margin:.45rem 0;cursor:pointer}.option b{margin-left:auto;font-size:.7rem}.chosen{background:#dcebe2}input{accent-color:#174b40}.feedback{padding:.8rem;margin-top:1rem;background:#dcebe2}.feedback p{margin:.3rem 0}.progress{height:5px;background:#c9d4d1;margin:1rem 0}.progress i{display:block;height:100%;background:#174b40}button,select{font:inherit}button{background:#174b40;color:#fff;border:1px solid #174b40;padding:.8rem 1rem;margin:1rem .4rem 0 0;font-weight:700;cursor:pointer}button:hover{background:#103b32}button:disabled{opacity:.5;cursor:not-allowed}.secondary{background:transparent;color:#174b40;text-decoration:underline;border:0;padding:.8rem 0}.secondary:hover{background:transparent}select{display:block;max-width:100%;padding:.5rem}.score{display:flex;align-items:center;gap:1rem;border-block:1px solid;padding:1rem 0}.score strong{font-size:3rem;line-height:1}.score small{font-size:1.2rem}.score span{font-size:.85rem}.review{border-top:1px solid #9db3aa;padding:.5rem 0}details{margin:1.5rem 0}summary{cursor:pointer;font-weight:700;text-decoration:underline}.study{border-top:1px solid;padding-top:1rem}.study h3{font:1.2rem Georgia,serif}footer{border-top:1px solid;padding-top:1rem}.skip{position:absolute;left:-10000px}.skip:focus{left:1rem;top:1rem;background:#fbfaf2;padding:.5rem} :focus-visible{outline:3px solid #1758a0;outline-offset:3px}h1:focus{outline:none}@media(max-width:480px){.screen{padding:1.25rem}h1{font-size:1.7rem}}@media(max-width:360px){.screen-top{align-items:flex-start;flex-direction:column}}

dialog{max-width:min(28rem,calc(100% - 2rem));border:1px solid #173d37;background:#fbfaf2;color:#173d37;padding:1.25rem}dialog::backdrop{background:rgba(0,0,0,.5)}dialog h2{font:bold 1.5rem/1.2 Georgia,serif;margin:0}

/* Practice question navigator */
.question-nav { margin: 1rem 0; }
.question-nav p { margin: 0 0 .4rem; font-weight: 700; }
.question-nav div { display: flex; flex-wrap: wrap; gap: .4rem; }
.question-nav button { min-width: 3rem; padding: .45rem .65rem; margin: 0; }
.question-nav button[aria-current] { outline: 2px solid #174b3f; outline-offset: 2px; }
.question-nav button:focus-visible { outline: 3px solid #145ac4; outline-offset: 3px; }

/* Print study guide */
.print-guide { display:none; }
.print-study-button { margin: 1rem 0; }
.print-study-button:focus-visible { outline: 3px solid #145ac4; outline-offset: 3px; }
@media print {
 @page { margin: 16mm; }
 body { color:#000 !important; background:#fff !important; font: 11pt/1.4 Arial, sans-serif !important; }
 body > :not(.print-guide) { display:none !important; }
 .print-guide { display:block; max-width:none; color:#000; overflow-wrap:anywhere; }
 .print-guide h1 { font-size:18pt; line-height:1.2; }
 .print-guide h2 { font-size:14pt; }
 .print-guide h3 { font-size:12pt; }
 .print-guide h2, .print-guide h3 { break-after:avoid; break-inside:avoid; }
 .print-guide li, .print-guide p { orphans:3; widows:3; }
 .print-guide a { color:#000; text-decoration:underline; }
 .print-guide a[href^="http"]::after { content:" (" attr(href) ")"; font-size:9pt; overflow-wrap:anywhere; }
}