/* Course-directory content only; lesson cards retain their current styles. */
.lessons-index-page{--course-info-bg:#fff;--course-info-text:#17243b;--course-info-muted:#475569;--course-info-line:#d3ddeb;--course-info-link:#1756c0;--course-info-soft:#f5f8fc}
.lessons-index-page .course-focused-paths{padding:22px;margin:24px 0;background:var(--course-info-bg);border:1px solid var(--course-info-line);border-radius:16px;box-shadow:none;color:var(--course-info-text)}
.lessons-index-page .course-focused-paths:before{display:none}.course-focused-paths .lessons-resource-panel-head{margin:0 0 16px}.course-focused-paths h2{margin:0 0 8px;font-size:clamp(1.25rem,2.2vw,1.65rem);line-height:1.35}.course-focused-paths p{margin:0;color:var(--course-info-muted)}
.course-focused-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,235px),1fr));gap:12px}
.lessons-index-page a.course-focused-link{display:flex;flex-direction:column;gap:8px;padding:16px;border:1px solid var(--course-info-line);border-radius:10px;background:var(--course-info-bg);color:var(--course-info-text);text-decoration:none;min-width:0;box-shadow:none;transition:border-color .15s,background-color .15s}
.course-focused-link strong{font-size:17px;line-height:1.35}.course-focused-link>span{font-size:15px;line-height:1.55;color:var(--course-info-muted)}.course-focused-link b{font-size:14px;color:var(--course-info-link);margin-top:auto;padding-top:5px}.lessons-index-page a.course-focused-link:hover{border-color:var(--course-info-link);background:var(--course-info-soft)}.course-focused-link:focus-visible{outline:3px solid var(--course-info-link);outline-offset:3px}
.course-concise-guide{padding:0 4px;margin:26px 0;color:var(--course-info-text)}.course-concise-guide h2{font-size:1.4rem;line-height:1.35;margin:0 0 12px}.course-concise-guide p{font-size:16px;line-height:1.7;margin:0 0 10px;color:var(--course-info-muted)}.course-concise-guide a,.course-concise-resources a{color:var(--course-info-link);text-decoration:underline;text-underline-offset:3px}
.lessons-index-page .course-concise-resources{margin:20px 0;background:var(--course-info-soft);color:var(--course-info-text);border:1px solid var(--course-info-line);border-radius:10px}.course-concise-resources summary{cursor:pointer;padding:14px 16px;font-weight:650}.course-concise-resources .course-optional-body{padding:0 16px 14px}.course-concise-resources ul{margin:0;padding-left:20px}.course-concise-resources li{margin:8px 0;line-height:1.55}
.lessons-index-page .course-concise-faq{margin:24px 0;padding:20px;background:var(--course-info-bg);border:1px solid var(--course-info-line);border-radius:12px;color:var(--course-info-text)}.course-concise-faq h2{margin:0 0 12px;font-size:1.4rem}.course-concise-faq summary{cursor:pointer}.course-concise-faq p{color:var(--course-info-muted)}
html[data-theme="dark"] .lessons-index-page{--course-info-bg:#152138;--course-info-text:#edf3ff;--course-info-muted:#b8c7dc;--course-info-line:#354761;--course-info-link:#a4c8ff;--course-info-soft:#1b2c44}
@media(prefers-color-scheme:dark){html[data-theme="system"] .lessons-index-page{--course-info-bg:#152138;--course-info-text:#edf3ff;--course-info-muted:#b8c7dc;--course-info-line:#354761;--course-info-link:#a4c8ff;--course-info-soft:#1b2c44}}
@media(max-width:600px){.lessons-index-page .course-focused-paths,.lessons-index-page .course-concise-faq{padding:16px}.course-focused-grid{grid-template-columns:1fr}.lessons-index-page a.course-focused-link{padding:14px}}
@media(prefers-reduced-motion:reduce){.lessons-index-page a.course-focused-link{transition:none}}