:root{--exam-ink:#122b3b;--exam-ink2:#3b5565;--exam-teal:#087f85;--exam-border:#d5e0e6;--exam-bg:#f4f8fa;--exam-white:#fff;--exam-warm:#fff8e9;--exam-green:#146a45;--exam-red:#b43f36}
.exam-trainer{max-width:1090px;min-height:75vh;margin:0 auto;padding:38px 22px 72px;color:var(--exam-ink);font:inherit;line-height:1.5;box-sizing:border-box}
.exam-trainer *, .exam-trainer *::before, .exam-trainer *::after{box-sizing:border-box}
.exam-trainer button,.exam-trainer select{font:inherit}
.exam-trainer button{cursor:pointer}
.exam-hero{padding:13px 0 16px}
.exam-kicker{font-size:.77rem;letter-spacing:.13em;font-weight:800;color:var(--exam-teal)}
.exam-hero h1{font-size:clamp(2rem,5vw,3.35rem);letter-spacing:-.035em;margin:5px 0 5px;line-height:1.1;color:var(--exam-ink)}
.exam-lead{max-width:780px;font-size:1.08rem;color:var(--exam-ink2);margin:12px 0 15px}
.exam-settings{background:var(--exam-bg);border:1px solid var(--exam-border);border-radius:15px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;padding:17px}
.exam-settings label{display:flex;flex-direction:column;gap:7px;font-weight:700;font-size:.83rem;color:var(--exam-ink2)}
.exam-settings select{width:100%;border-radius:8px;border:1px solid #b8c9d2;background:#fff;padding:10px 35px 10px 12px;color:var(--exam-ink)}
.exam-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:11px;margin:15px 0 20px}
.exam-stat{border:1px solid var(--exam-border);border-radius:12px;background:var(--exam-white);padding:12px 16px;display:flex;gap:2px;flex-direction:column}
.exam-stat strong{font-weight:850;font-size:1.6rem;line-height:1.1;letter-spacing:-.02em;color:var(--exam-ink)}
.exam-stat span{font-size:.78rem;color:var(--exam-ink2)}
.exam-card{background:var(--exam-white);border:1px solid var(--exam-border);box-shadow:0 13px 35px rgba(10,60,80,.07);border-radius:19px;padding:clamp(18px,3.8vw,39px)}
.exam-card-header{display:flex;gap:10px;align-items:center;flex-wrap:wrap;font-size:.8rem;font-weight:750}
.exam-topic{background:#e3f5f3;color:#086f75;border-radius:99px;padding:5px 12px}
.exam-form{color:var(--exam-ink2)}
.exam-due{border:1px solid #c7d7e0;border-radius:99px;padding:4px 11px;color:var(--exam-ink2)}
.exam-question-title{font-size:clamp(1.38rem,2.6vw,2rem);font-weight:750;line-height:1.31;margin:24px 0 7px;letter-spacing:-.01em;color:var(--exam-ink)}
.exam-instruction{color:var(--exam-ink2);margin:0 0 23px;font-size:.93rem}
.exam-choices{display:grid;gap:10px;margin-bottom:21px}
.exam-choice{border:1.5px solid var(--exam-border);border-radius:11px;display:flex;align-items:flex-start;gap:13px;text-align:left;background:#fff;padding:13px 16px;color:var(--exam-ink);width:100%;transition:border-color .12s,background .12s}
.exam-choice:not(:disabled):hover{border-color:var(--exam-teal);background:#f1f9f9}
.exam-choice.is-selected{border-color:var(--exam-teal);background:#eaf5f5}
.exam-choice.is-correct{background:#e8f7ec;border-color:#66b391}
.exam-choice.is-wrong{background:#fff1ee;border-color:#d78a82}
.exam-choice-letter{border:1px solid #c8d7df;flex:0 0 28px;height:28px;border-radius:7px;display:grid;place-items:center;font-size:.8rem;font-weight:800;background:#f5f8f9}
.exam-choice-label{flex:1;min-width:0;line-height:1.45}
.exam-choice:disabled{opacity:1;cursor:default}
.exam-primary{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:45px;border:0;border-radius:10px;background:var(--exam-teal);font-size:.95rem;font-weight:750;color:#fff;padding:12px 23px;line-height:1.25}
.exam-primary:not(:disabled):hover{background:#08676d}
.exam-primary:disabled{background:#9fbec0;cursor:not-allowed}
.exam-actions{display:flex;justify-content:flex-end}
.exam-feedback{border-top:1px solid var(--exam-border);padding-top:19px;margin-top:10px}
.exam-feedback-head{font-weight:800;margin-bottom:12px}
.exam-feedback-head.right{color:var(--exam-green)}.exam-feedback-head.wrong{color:var(--exam-red)}
.exam-answer-label{font-size:.8rem;font-weight:800;text-transform:uppercase;letter-spacing:.055em;color:var(--exam-ink2);margin-bottom:5px}
.exam-answer-content{font-size:1.08rem;line-height:1.48;font-weight:750}
.exam-answer-content ul{font-weight:500;font-size:.98rem;margin:8px 0 5px;padding-left:24px}
.exam-explanation{background:#f3f8fa;border-left:3px solid var(--exam-teal);padding:11px 15px;margin:13px 0 20px;font-size:.95rem}
.exam-confidence{padding:0;border:0;margin:22px 0 10px;min-width:0}
.exam-confidence legend,.exam-self h3{font-size:.97rem;font-weight:800;color:var(--exam-ink);margin-bottom:10px}
.exam-confidence-options{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px}
.exam-confidence-item{border:1px solid #cad9e2;border-radius:10px;padding:11px;display:flex;gap:9px;align-items:center;justify-content:center;cursor:pointer;min-width:0;text-align:center;background:#fff;font-weight:650;font-size:.91rem}
.exam-confidence-item.selected{background:#e7f6f5;border-color:var(--exam-teal)}
.exam-confidence-item input{width:17px;height:17px;accent-color:var(--exam-teal);margin:0}
.exam-hint{font-size:.79rem;color:var(--exam-ink2);line-height:1.4;margin:9px 0 16px}
.exam-self{margin:17px 0}
.exam-self h3{margin:0 0 9px}
.exam-self-btns{display:flex;flex-wrap:wrap;gap:8px}
.exam-pill{border:1px solid #b9cbd5;padding:9px 14px;border-radius:9px;background:white;color:var(--exam-ink)}
.exam-pill.selected{border-color:var(--exam-teal);background:#e3f5f3;font-weight:800}
.exam-flash-side{border:1px dashed #b5cad2;min-height:145px;border-radius:12px;background:#f9fcfd;display:flex;align-items:center;justify-content:center;gap:20px;margin:8px 0 19px;padding:20px;color:var(--exam-ink2)}
.exam-flash-side p{margin:0;max-width:330px}.exam-facesymbol{font-size:3.2rem;font-weight:850;color:#b0c5d2}
.exam-card-bottom{border-top:1px solid var(--exam-border);padding-top:15px;margin-top:27px;display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;color:var(--exam-ink2);font-size:.78rem}
.exam-card-bottom strong{color:var(--exam-ink)}
.exam-session-info{text-align:center;font-size:.82rem;color:var(--exam-ink2);margin:16px 0 29px}
.exam-weak-panel{border:1px solid var(--exam-border);border-radius:14px;padding:18px 22px;background:#fff;margin-bottom:16px}
.exam-weak-panel h2{font-size:1.13rem;line-height:1.2;margin:0 0 12px}
.exam-weak-item{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:9px 0;border-bottom:1px solid #edf1f3;font-size:.84rem}
.exam-weak-item:last-child{border-bottom:0}.exam-weak-item span:first-child{flex:1}.exam-weak-item b{font-weight:700;color:var(--exam-ink2)}
.exam-muted{color:var(--exam-ink2);margin:0;font-size:.89rem}
.exam-about{font-size:.84rem;color:var(--exam-ink2);padding:8px 2px}
.exam-about p{margin:7px 0}
.exam-data-actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin:15px 0}
.exam-data-actions button{background:#fff;border:1px solid #b6cbd5;border-radius:9px;padding:9px 12px;color:var(--exam-ink);font-size:.82rem}
.exam-data-actions button:hover{background:#edf5f8}
.exam-data-actions .danger-subtle{color:#9d423d}
.exam-done{border:1px solid var(--exam-border);border-radius:18px;padding:50px 30px;text-align:center;background:white}
.exam-done h2{font-size:1.8rem;margin:0 0 12px}.exam-done p{color:var(--exam-ink2);max-width:470px;margin:0 auto 22px}
.exam-done-icon{font-size:2rem;color:var(--exam-green);margin-bottom:15px}
.exam-trainer a:focus-visible,.exam-trainer button:focus-visible,.exam-trainer select:focus-visible,.exam-trainer input:focus-visible{outline:3px solid #59abc6;outline-offset:3px}
@media(max-width:720px){.exam-trainer{padding:20px 13px 50px}.exam-settings{grid-template-columns:1fr;gap:9px;padding:14px}.exam-stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.exam-card{padding:20px 16px}.exam-stat{padding:11px}.exam-hero h1{font-size:2.15rem}.exam-confidence-options{grid-template-columns:1fr}.exam-confidence-item{justify-content:flex-start}.exam-card-bottom{display:block}.exam-card-bottom span{display:block;margin:6px 0}.exam-weak-item{flex-wrap:wrap;gap:8px}.exam-weak-item b{flex:1;text-align:right}}

.exam-standard-ref{font-size:.83rem;color:var(--exam-ink2);margin:10px 0 7px}
.exam-review-note{border:1px solid #e1c9a0;border-left:4px solid #bf8b35;border-radius:8px;padding:12px 14px;margin:10px 0 18px;background:#fffaf1;font-size:.91rem}