/* Learning surface: same tokens in public route and student dashboard. */
.lw-home{--lr-bg:var(--theme-bg,#101224);--lr-panel:var(--theme-panel,#1b2038);--lr-text:var(--theme-ink,#f0f0ff);--lr-muted:var(--theme-muted,#b8bfd6);--lr-border:var(--theme-line,#39425e);--lr-accent:var(--theme-accent,#a9caff);color:var(--lr-text)}
.lw-home *{box-sizing:border-box}.lw-home h2,.lw-home h3{color:var(--lr-text);line-height:1.25}.lw-home p{line-height:1.6;color:var(--lr-muted)}
.lw-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:0 0 24px}.lw-options>article{border:1px solid var(--lr-border);background:var(--lr-panel);padding:24px;border-radius:22px;min-width:0}.lw-options h2{font-size:22px;margin:16px 0 12px}.lw-options p{font-size:14px;color:var(--lr-muted)}.lw-options small{font-size:12px}.lw-options a:not(.lr-btn):not(.pc-primary){color:inherit}
.lw-small-icon{display:inline-grid;place-items:center;width:46px;height:46px;border:1px solid var(--lr-border);background:var(--lr-bg);border-radius:15px;font-size:24px;color:var(--lr-accent)}
.lw-result-hero{display:grid;grid-template-columns:170px 1fr;align-items:center;gap:32px;padding:38px}.lw-result-hero h1{margin:8px 0 12px}.lw-score-line{display:flex;flex-wrap:wrap;gap:12px 24px;font-size:14px}.lw-score-line span{color:var(--lr-muted)}.lw-rank{position:relative;width:160px;height:160px;display:grid;place-items:center;animation:lw-arrive .55s ease-out both}.lw-rank svg{position:absolute;inset:0;width:100%;height:100%;fill:none;stroke-width:5}.lw-rank-track{stroke:var(--lr-border)}.lw-rank-line{stroke:var(--lr-accent);stroke-dasharray:var(--rank-score) 100;stroke-linecap:round;animation:lw-ring 1.1s ease-out both}.lw-rank>span{font-size:70px;line-height:1;color:var(--lr-accent);text-shadow:0 0 30px #8e9ef330}.lw-rank[data-rank="5"]>span{animation:lw-crown .9s .2s ease-out both}.lw-first{margin-bottom:24px!important}.lw-path{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:22px 0}.lw-path span{display:flex;align-items:center;gap:12px;padding:14px;border:1px solid var(--lr-border);border-radius:14px;font-size:13px}.lw-path b{font-size:12px;color:var(--lr-accent)}.lw-path-vertical{display:flex;flex-direction:column;justify-content:center;margin:0}.lw-details>summary{cursor:pointer;font-weight:650;padding:8px 0}.lw-details[open]>summary{margin-bottom:18px}.lw-gap{margin-top:20px!important}.lw-topic-bars{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.lw-topic-bars article>div{display:flex;align-items:center;justify-content:space-between;gap:20px}.lw-topic-bars article p{font-size:13px;color:var(--lr-muted);margin:10px 0}.lw-topic-bars progress,.lw-growth progress{width:100%;height:9px;accent-color:var(--lr-accent);margin:14px 0;border:0;border-radius:8px;overflow:hidden;background:var(--lr-border)}.lw-topic-bars progress::-webkit-progress-bar,.lw-growth progress::-webkit-progress-bar{background:var(--lr-border)}.lw-topic-bars progress::-webkit-progress-value,.lw-growth progress::-webkit-progress-value{background:var(--lr-accent)}
.lw-rank-scale{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:24px 0}.lw-rank-scale span{border:1px solid var(--lr-border);border-radius:12px;padding:12px}.lw-rank-scale small{display:block;color:var(--lr-muted);font-size:12px}
.lw-choices{border:0;padding:0;margin:20px 0;display:grid;gap:12px}.lw-choices legend{font-weight:650;margin-bottom:12px}.lr .lw-choices label{display:flex;flex-direction:row;align-items:center;gap:12px;padding:16px;border:1px solid var(--lr-border);border-radius:14px;background:var(--lr-bg);color:var(--lr-text);font-size:16px;cursor:pointer}.lr .lw-choices input{width:20px;height:20px;min-height:20px;padding:0;flex:0 0 20px;accent-color:#366dd5}.lw-choices label:has(input:checked){outline:2px solid var(--lr-accent);outline-offset:0}.lw-order{padding:0;list-style:none;display:grid;gap:12px;margin:20px 0}.lw-order li{display:flex;align-items:center;justify-content:space-between;gap:15px;border:1px solid var(--lr-border);border-radius:14px;background:var(--lr-bg);padding:12px 16px;font-size:15px}.lw-order li>div{display:flex;gap:8px;flex-shrink:0}.lw-order .lr-btn{min-width:44px;min-height:44px;padding:5px}.lw-order .lr-btn:disabled{cursor:default;opacity:.3}.lw-feedback{max-width:820px;margin:0 auto 24px}.lw-feedback>.lw-small-icon{display:grid;margin-top:22px}.lw-feedback-answer{font-size:19px;font-weight:650;overflow-wrap:anywhere}.lw-growth-bars{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:20px}.lw-growth-bars>div{display:grid;grid-template-columns:1fr auto;gap:0 12px;align-items:center}.lw-growth-bars progress{grid-column:1/-1;grid-row:2}.lw-growth-bars span{font-size:14px}.lw-home .lw-today{padding:28px;border:1px solid var(--lr-border);border-radius:24px;background:linear-gradient(125deg,#7895dc12,transparent 70%),var(--lr-panel);margin-bottom:18px;display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center}.lw-home .lw-today h2{font-size:27px;margin:10px 0}.lw-home .lw-today p{font-size:15px;margin:0;max-width:680px}.lw-home .lw-today .pc-primary{background:#285aca!important;color:#fff!important;border-color:#285aca!important}.lw-home .lw-kicker{font-size:11px;letter-spacing:.1em;color:var(--lr-accent);font-weight:700}.lw-home .lw-course-link{margin:0 0 22px;padding:0 8px;font-size:14px}.lw-home .lw-course-link a{color:inherit}.lw-home .lw-skill{padding:10px 0;border-bottom:1px solid var(--lr-border)}.lw-home .lw-skill:last-child{border:0}.lw-home .lw-skill strong{display:block;font-size:15px}.lw-home .lw-skill small{color:var(--lr-muted)}.lw-home .lw-note{font-size:12px}.lw-home .lw-options{margin-bottom:18px}
@keyframes lw-ring{from{stroke-dasharray:0 100}}@keyframes lw-arrive{from{transform:translateY(8px) scale(.92);opacity:0}to{transform:none;opacity:1}}@keyframes lw-crown{0%{transform:scale(.8) rotate(-12deg)}60%{transform:scale(1.12) rotate(4deg)}100%{transform:none}}
@media(max-width:680px){.lw-result-hero{grid-template-columns:1fr;gap:12px;padding:24px;text-align:center}.lw-rank{width:126px;height:126px;margin:auto}.lw-rank>span{font-size:54px}.lw-score-line{justify-content:center}.lw-options,.lw-topic-bars,.lw-path{grid-template-columns:1fr}.lw-path{gap:8px}.lw-rank-scale{grid-template-columns:1fr 1fr}.lw-options>article{padding:20px}.lw-order li{align-items:flex-start;padding:12px;gap:10px;font-size:14px}.lw-order li>div{flex-direction:column}.lw-home .lw-today{grid-template-columns:1fr;padding:22px;gap:18px}.lw-home .lw-today .pc-primary{width:100%}.lw-home .lw-today h2{font-size:24px}.lw-first{gap:20px!important}.lw-growth-bars{gap:12px}}
@media(prefers-reduced-motion:reduce){.lw-rank,.lw-rank-line,.lw-rank>span{animation:none!important}}

/* Python is available in the answer review; keep active questions focused. */
.lw-python-workspace>.acw-launch{display:none!important}
.lr .lw-code-check{margin:22px 0;padding:14px 16px;border:1px solid var(--lr-border);border-radius:14px;background:var(--lr-bg);min-width:0}
.lr .lw-code-check>summary{cursor:pointer;font-weight:650;line-height:1.5;min-height:24px;color:var(--lr-text)}
.lr .lw-code-check>summary:focus-visible{outline:2px solid var(--lr-accent);outline-offset:4px;border-radius:4px}
.lr .lw-code-check p{font-size:14px;color:var(--lr-muted);margin:14px 0}
.lr .lw-code-check pre{margin:12px 0;overflow:auto}
.lr .lw-code-check .acw-run-example{max-width:100%;white-space:normal;min-height:44px}