/* Stage 1 assessment: isolated from the finalized lesson iframes. */
.srs-ql-hub .ql-stage-quiz{background:radial-gradient(circle at 90% 5%,#402477 0,transparent 42%),linear-gradient(135deg,#11142f,#1b1744 65%,#151a38);color:#f6f5ff;padding:clamp(22px,4vw,62px);font:500 15px/1.55 system-ui,sans-serif;scroll-margin-top:24px}
.srs-ql-hub .ql-stage-quiz h2{font:900 clamp(25px,3vw,43px)/1.12 system-ui,sans-serif;letter-spacing:-.03em;color:#fff;margin:8px 0 12px}.srs-ql-hub .ql-stage-quiz h2 span{color:#b9ff4d}
.srs-ql-hub .qlq-eyebrow{color:#60e1fa;font-size:12px;font-weight:900;letter-spacing:.18em}.srs-ql-hub .qlq-intro{max-width:850px;color:#d9d6f2;margin:0 0 20px}
.srs-ql-hub .qlq-chips{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:24px}.srs-ql-hub .qlq-chips span{border:1px solid #ffffff30;background:#ffffff10;border-radius:100px;padding:7px 12px;font-size:12px;font-weight:750}
.srs-ql-hub .qlq-top{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:end;gap:12px;margin-bottom:16px}.srs-ql-hub .qlq-top strong{display:block;font-size:16px}.srs-ql-hub .qlq-top small{color:#c4c5e8}
.srs-ql-hub .qlq-meter{height:8px;background:#ffffff20;border-radius:50px;overflow:hidden;margin:0 0 16px}.srs-ql-hub .qlq-meter span{display:block;background:linear-gradient(90deg,#60e1fa,#b9ff4d);height:100%;width:0;transition:width .2s}
.srs-ql-hub .qlq-jump{display:flex;flex-wrap:wrap;gap:6px;margin:16px 0 22px}.srs-ql-hub .qlq-jump button{width:34px;height:34px;font-size:12px;color:#dddafa;background:#ffffff0e;border:1px solid #ffffff3c;border-radius:9px;font-weight:750}.srs-ql-hub .qlq-jump button.is-answered{background:#60e1fa2e;border-color:#60e1fa}.srs-ql-hub .qlq-jump button.is-active{background:#b9ff4d;color:#12152d;border-color:#b9ff4d}.srs-ql-hub .qlq-jump button.is-correct{border-color:#b9ff4d}.srs-ql-hub .qlq-jump button.is-wrong{border-color:#ff9ab0}
.srs-ql-hub .qlq-question{background:#ffffff0b;border:1px solid #ffffff26;border-radius:20px;padding:clamp(17px,3vw,30px);max-width:1050px;scroll-margin-top:25px}.srs-ql-hub .qlq-question-meta{display:flex;gap:10px;flex-wrap:wrap;font-size:11px;color:#c6c6ea;font-weight:800;text-transform:uppercase;letter-spacing:.08em}.srs-ql-hub .qlq-difficulty{border:1px solid #60e1fa66;border-radius:30px;padding:2px 10px;color:#60e1fa}.srs-ql-hub .qlq-tough{color:#ffc78a;border-color:#ffc78a88}.srs-ql-hub .qlq-moderate{color:#e3c2ff;border-color:#e3c2ff88}
.srs-ql-hub .qlq-question h3{color:#fff;font:800 clamp(18px,2vw,25px)/1.35 system-ui,sans-serif;margin:18px 0 20px}.srs-ql-hub .qlq-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.srs-ql-hub .qlq-option{display:flex;align-items:center;gap:11px;padding:15px;min-height:65px;background:#ffffff09;border:1px solid #ffffff2c;border-radius:13px;cursor:pointer;color:#eeedff}.srs-ql-hub .qlq-option:has(input:checked){background:#60e1fa1c;border-color:#60e1fa}.srs-ql-hub .qlq-option input{accent-color:#b9ff4d;flex:0 0 auto}.srs-ql-hub .qlq-option-letter{font-size:12px;font-weight:850;color:#b9ff4d}
.srs-ql-hub .qlq-input-label{display:block;color:#d3d5f9;font-size:13px;font-weight:750;margin:0 0 8px}.srs-ql-hub #qlq-number{width:min(330px,100%);height:48px;color:#fff;background:#141731;border:1px solid #60e1fa88;border-radius:12px;padding:10px 13px;font-size:18px}
.srs-ql-hub .qlq-chart{max-width:720px;margin:5px 0 22px;padding:12px;background:#11162c;border:1px solid #ffffff26;border-radius:14px}.srs-ql-hub .qlq-chart svg{display:block;width:100%;height:auto}.srs-ql-hub .qlq-chart-data{color:#cdd3f6;font-size:12px;line-height:1.8;padding:8px 10px}.srs-ql-hub .qlq-chart-data small{color:#9dc8e4}
.srs-ql-hub .qlq-controls{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-top:18px}.srs-ql-hub .qlq-controls button{border:1px solid #e5e0ff55;border-radius:12px;padding:12px 18px;background:#ffffff15;color:#fff;font-weight:800}.srs-ql-hub .qlq-controls button:disabled{opacity:.35;cursor:default}.srs-ql-hub .qlq-controls .qlq-submit{background:#b9ff4d;border-color:#b9ff4d;color:#15152b;margin-left:auto}.srs-ql-hub .qlq-feedback{color:#ffd59e;min-height:18px;font-size:13px;margin-top:10px}.srs-ql-hub .qlq-result{background:#b9ff4d13;border:1px solid #b9ff4d80;color:#fff;padding:18px;border-radius:14px;margin:14px 0}.srs-ql-hub .qlq-result strong{color:#b9ff4d;font-size:19px}.srs-ql-hub .qlq-result p{margin-bottom:0}
.srs-ql-hub .qlq-solution{background:#ffffff0d;border-left:4px solid #b9ff4d;padding:14px 17px;border-radius:10px;margin-top:22px}.srs-ql-hub .qlq-solution.is-wrong{border-color:#ff9ab0}.srs-ql-hub .qlq-solution p{margin:6px 0;color:#e8e6ff}.srs-ql-hub .qlq-solution strong{color:#b9ff4d}.srs-ql-hub .qlq-solution.is-wrong strong{color:#ffbacb}
.srs-ql-hub .qlq-policy{color:#bdbada;font-size:12px;margin:14px 0 0}
@media(max-width:680px){.srs-ql-hub .qlq-options{grid-template-columns:1fr}.srs-ql-hub .qlq-jump button{width:32px;height:32px}.srs-ql-hub .qlq-controls .qlq-submit{margin-left:0}.srs-ql-hub .ql-stage-quiz{padding:22px 15px}}
@media(prefers-reduced-motion:reduce){.srs-ql-hub .qlq-meter span{transition:none}}

/* v0.2.1 mastery gate and star achievements */
.srs-ql-hub .ql-stage-quiz [hidden]{display:none!important}
.srs-ql-hub .qlq-lock{border:1px solid #8a83c366;border-radius:20px;background:linear-gradient(135deg,#33265d9c,#15254a9c);padding:clamp(18px,3vw,32px);max-width:810px}
.srs-ql-hub .qlq-lock-header{display:flex;align-items:center;gap:12px;font-size:clamp(18px,2.4vw,25px);color:#fff}
.srs-ql-hub .qlq-lock-icon{display:grid;place-items:center;width:45px;height:45px;border-radius:13px;background:#ffffff15;font-size:22px}
.srs-ql-hub .qlq-lock p{color:#d7d6f1;margin:14px 0}
.srs-ql-hub .qlq-lock-progress{height:10px;border-radius:20px;background:#ffffff24;overflow:hidden}
.srs-ql-hub .qlq-lock-progress span{display:block;width:0;height:100%;background:linear-gradient(90deg,#60e1fa,#b9ff4d);transition:width .25s}
.srs-ql-hub .qlq-lock-count{display:block;margin-top:10px;color:#b9ff4d}
.srs-ql-hub .qlq-lock .qlq-lock-note{font-size:13px;color:#bcb9e6}
.srs-ql-hub .qlq-return{display:inline-block;color:#151a38;text-decoration:none;font-weight:850;border-radius:40px;padding:11px 18px;background:#b9ff4d}
.srs-ql-hub .qlq-result-kicker{display:block;font-size:11px;letter-spacing:.14em;font-weight:900;color:#60e1fa;margin-bottom:8px}
.srs-ql-hub .qlq-rating{display:flex;align-items:center;gap:12px;margin:12px 0;flex-wrap:wrap;font-size:19px;font-weight:850}
.srs-ql-hub .qlq-stars{display:inline-flex;white-space:nowrap;gap:3px;font-size:30px;letter-spacing:0;line-height:1}
.srs-ql-hub .qlq-stars .earned{color:#ffca54;text-shadow:0 0 12px #ffc44a77}
.srs-ql-hub .qlq-stars .unearned{color:#585776}
.srs-ql-hub .qlq-result .qlq-best{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-weight:750}
.srs-ql-hub .qlq-result .qlq-best .qlq-stars{font-size:19px}
@media(prefers-reduced-motion:reduce){.srs-ql-hub .qlq-lock-progress span{transition:none}}