/* Learning library and article experience */
.afx-icon{width:20px;height:20px;flex-shrink:0;display:inline-block;vertical-align:middle}.site-header{z-index:30}.site-header .menu a{position:relative}.site-header .menu a::after{content:"";position:absolute;bottom:-9px;right:0;width:0;height:2px;background:var(--green);transition:width .2s}.site-header .menu a:hover::after{width:100%}.breadcrumbs{align-items:center;flex-wrap:wrap;gap:10px;margin-bottom:28px;font-size:11px}.breadcrumbs a{display:inline-flex;align-items:center;gap:6px}.breadcrumbs .afx-icon{width:15px;height:15px}.article-heading{max-width:1020px;margin-bottom:32px}.article-heading h1{font-size:clamp(28px,3.2vw,42px);line-height:1.7;margin:14px 0 22px}.article-topic-label{display:inline-flex;align-items:center;gap:8px;font-size:11px;border:1px solid #315349;background:#143c2d44;border-radius:6px;padding:5px 11px;color:#88d4b7}.article-topic-label .afx-icon{width:16px;height:16px}.article-meta{display:flex;align-items:center;flex-wrap:wrap;gap:13px 23px;color:#a6bac4;font-size:11px}.article-meta>span,.article-meta>a{margin:0;display:inline-flex;align-items:center;gap:7px}.article-meta .afx-icon{color:#6d958d;width:16px;height:16px}.article-meta a:hover{color:var(--green)}.reading-layout{grid-template-columns:minmax(0,1fr) 288px;gap:38px}.article-cover{position:relative;border:1px solid #2d4552;border-radius:14px;overflow:hidden;margin-bottom:24px;background:#112838}.article-cover .article-featured{margin:0;border-radius:0;aspect-ratio:16/9;object-fit:cover}.article-cover>span{position:absolute;bottom:14px;right:14px;display:flex;align-items:center;gap:7px;padding:5px 10px;background:#071a2de6;border:1px solid #6b92845c;border-radius:5px;color:#c6dbd6;font-size:9px}.article-cover>span .afx-icon{width:14px;height:14px}.entry-content h2[id],.entry-content h3[id]{scroll-margin-top:140px}
/* Table of contents stays collapsed without JavaScript. */
.post-toc{background:#102737;border:1px solid #31505b;border-radius:11px;margin:24px 0 32px;overflow:hidden}.post-toc summary{display:flex;align-items:center;gap:13px;padding:18px 20px;cursor:pointer;list-style:none}.post-toc summary::-webkit-details-marker{display:none}.toc-icon{display:grid;place-items:center;width:39px;height:39px;border:1px solid #49756866;border-radius:9px;background:#1d554733;color:#76ceac}.post-toc summary strong{display:block;font-size:14px;font-weight:600}.post-toc summary small{display:block;color:#8faeb7;font-size:10px;margin-top:2px}.toc-chevron{margin-right:auto;color:#8faeb7;transition:transform .2s}.post-toc[open] .toc-chevron{transform:rotate(180deg)}.post-toc nav{border-top:1px solid #2d4751;padding:15px 22px 20px}.post-toc ol{list-style:none;counter-reset:toc}.post-toc li{counter-increment:toc}.post-toc a{display:flex;gap:9px;font-size:12px;color:#bbced5;padding:7px 0;line-height:1.9}.post-toc li.toc-h2>a::before{content:counter(toc,persian) "‌.";color:#5fb89a;min-width:18px}.post-toc .toc-h3{padding-right:28px}.post-toc .toc-h3>a{font-size:11px;color:#91aeb8}.post-toc a:hover,.post-toc a[aria-current]{color:var(--green)}.post-toc summary:focus-visible{outline:2px solid var(--green);outline-offset:-4px}
/* Topic-aware reading sidebar */
.reading-sidebar{padding:23px;top:140px;background:linear-gradient(155deg,#173d3b88,#102432 70%);border-color:#3c6158;border-radius:14px;max-height:calc(100dvh - 158px);overflow-y:auto;scrollbar-width:thin;scrollbar-color:#355f57 transparent}.sidebar-top{display:flex;align-items:center;gap:9px;margin-bottom:17px}.sidebar-mark{width:28px;height:28px;border-radius:7px;display:grid;place-items:center;background:#26d59616;color:#60d6ac}.sidebar-mark .afx-icon{width:17px;height:17px}.sidebar-top .section-kicker{margin:0;font-size:10px;color:#add0c3}.reading-sidebar h2{font-size:22px;line-height:1.7;letter-spacing:-.5px;margin-bottom:20px}.reading-progress>div:first-child{display:flex;justify-content:space-between;align-items:center;font-size:10px;color:#9ab4bc;margin-bottom:9px}.reading-progress b{font-size:11px;color:#60d6a9;font-weight:500;min-width:34px;text-align:left}.progress-track{height:4px;background:#304a4e;border-radius:99px;overflow:hidden}.progress-track span{display:block;height:100%;width:0;background:var(--green);border-radius:99px}.course-position{display:flex;justify-content:space-between;gap:10px;color:#a6c0bf;font-size:9px;margin-top:12px;padding-bottom:20px;border-bottom:1px solid #31504f}.course-position>span:last-child{color:#6f9792}.reading-sidebar p.sidebar-section-label{margin:18px 0 3px;font-size:10px;color:#87aba7}.sidebar-lessons>a{display:flex;align-items:center;gap:11px;padding:15px 0;border-bottom:1px solid #294346}.sidebar-thumb{width:49px;height:53px;flex-shrink:0;border:1px solid #3d585d;border-radius:7px;overflow:hidden;background:#1a3440}.sidebar-thumb img{width:100%;height:100%;object-fit:cover}.sidebar-lessons strong{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font-size:11px;line-height:1.9;font-weight:500;color:#dfebe8}.sidebar-lessons small{display:flex;align-items:center;gap:5px;color:#799c9b;font-size:9px;margin-top:6px}.sidebar-lessons small .afx-icon{width:12px;height:12px}.sidebar-arrow{margin-right:auto;color:#6b9d8e;width:15px;height:15px}.sidebar-lessons a:hover strong{color:var(--green)}.reading-sidebar>a.sidebar-all{display:flex;align-items:center;justify-content:space-between;border:0;color:#6ed8ac;padding:18px 0 14px;font-size:10px}.sidebar-all .afx-icon{width:15px;height:15px}.reading-sidebar>a.sidebar-back{display:flex;align-items:center;gap:8px;padding:13px 0 0;border-top:1px solid #31504f;color:#8ba9af;font-size:9px}.sidebar-back .afx-icon{width:14px;height:14px}
/* Real feedback */
.post-rating{padding:24px;margin:38px 0;border:1px solid #345448;border-radius:13px;background:linear-gradient(100deg,#153d2e55,#102532)}.rating-intro{display:flex;align-items:center;gap:13px}.rating-emblem{display:grid;place-items:center;height:43px;width:43px;flex-shrink:0;color:#e2c581;border:1px solid #88724566;background:#7c6b2720;border-radius:10px}.rating-emblem .afx-icon{height:24px;width:24px}.post-rating h2{font-size:17px;letter-spacing:-.3px;line-height:1.8}.rating-summary{font-size:11px;color:#a6bcb9;margin-top:5px}.rating-stars{border:0;display:flex;gap:4px;margin:22px 0 16px;align-items:center;justify-content:center;min-width:0}.rating-star{position:relative;cursor:pointer}.rating-star input{position:absolute;width:1px;height:1px;opacity:0}.rating-star>span:not(.screen-reader-text){display:grid;place-items:center;width:45px;height:44px;border:1px solid #3c514e;border-radius:8px;background:#132b31;color:#5a706e;transition:color .15s,border-color .15s,background .15s}.rating-star .afx-icon{width:26px;height:26px}.rating-star.is-selected>span:not(.screen-reader-text){color:#e6c778;border-color:#a18b4a66;background:#685f2529}.rating-star.is-selected .afx-icon{fill:currentColor;stroke-width:1}.rating-star input:focus-visible+span{outline:2px solid var(--green);outline-offset:3px}.rating-submit-row{display:flex;align-items:center;justify-content:space-between;gap:15px}.rating-choice{font-size:11px;color:#8fb2a8}.rating-submit-row .btn{font-family:inherit;border:0;min-height:41px;font-size:11px;padding:9px 17px;cursor:pointer}.rating-submit-row button:disabled{opacity:.6;cursor:wait}.rating-feedback{color:#81ddb6;font-size:11px;margin-top:12px;line-height:1.9}.rating-feedback:empty{display:none}.rating-feedback.is-error{color:#ef9da3}
/* Previous and next lessons */
.lesson-navigation{margin:42px 0}.section-title-row{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-bottom:22px}.section-title-row .section-kicker{font-size:10px;margin-bottom:8px}.section-title-row h2{font-size:23px;letter-spacing:-.5px;line-height:1.5;display:flex;align-items:center;gap:10px}.section-title-row>a{display:flex;align-items:center;gap:6px;font-size:10px;color:#8fbaa9}.section-title-row>a .afx-icon{width:15px;height:15px}.lesson-nav-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.lesson-nav-card{display:flex;align-items:stretch;border:1px solid #304956;border-radius:11px;overflow:hidden;background:#102431;transition:border-color .2s,transform .2s;min-width:0}.lesson-nav-card:hover{transform:translateY(-2px);border-color:#549c7f}.lesson-nav-copy{padding:18px;min-width:0;flex:1}.nav-direction{display:flex;align-items:center;gap:5px;color:#76b49d;font-size:10px}.nav-direction .afx-icon{width:15px;height:15px}.lesson-nav-card h3{font-size:13px;line-height:1.9;margin:10px 0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font-weight:600}.lesson-nav-card small{display:flex;align-items:center;gap:5px;font-size:9px;color:#88a4ae}.lesson-nav-card small .afx-icon{width:12px;height:12px}.lesson-nav-card>img{width:80px;height:auto;object-fit:cover;opacity:.8}.lesson-nav-next{border-color:#3d6758;background:linear-gradient(100deg,#12443244,#102431)}.lesson-nav-grid:has(>a:only-child){grid-template-columns:1fr}
/* Comments */
.comments-area{padding:32px 0 0;margin-top:44px;border-top:1px solid #2b4450;scroll-margin-top:130px}.comments-area .section-title-row h2{font-size:22px}.comments-area .section-title-row h2>.afx-icon{width:23px;height:23px;color:#7bbaa7}.count-pill{display:inline-flex;align-items:center;justify-content:center;min-width:25px;min-height:24px;padding:1px 8px;font-size:11px;font-weight:400;line-height:1.8;background:#183b37;color:#7ad5ae;border-radius:6px;letter-spacing:0}.comments-empty{padding:23px;display:flex;gap:15px;align-items:flex-start;background:#112634;border:1px dashed #37535a;border-radius:11px;margin-bottom:28px}.comments-empty>span{width:38px;height:38px;display:grid;place-items:center;border-radius:9px;background:#1b3b42;color:#6b9f95;flex-shrink:0}.comments-empty strong{font-size:13px;font-weight:500}.comments-empty p{font-size:11px;color:#8baab4;margin-top:6px}.comment-list{list-style:none;margin-bottom:30px}.comment-list .children{list-style:none;margin:0 22px 0 0;border-right:1px solid #36534f;padding-right:17px}.afx-comment{margin-bottom:17px}.afx-comment>article{display:flex;gap:13px;padding:20px;border:1px solid #2d4650;border-radius:11px;background:#102331}.comment-avatar{height:36px;width:36px;flex-shrink:0;border-radius:50%;display:grid;place-items:center;color:#93d5be;background:#1c4540;font-size:16px}.comment-main{min-width:0;flex:1}.comment-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.comment-heading strong{font-size:12px;font-weight:500}.comment-heading>a{font-size:10px;color:#779ba5}.comment-text{font-size:13px;line-height:2;color:#bacecf;margin-top:10px;overflow-wrap:anywhere}.comment-text p{margin-bottom:8px}.comment-text a{color:var(--green);text-decoration:underline}.comment-actions{display:flex;gap:15px;margin-top:10px;font-size:10px;color:#6abb9b}.comment-actions .afx-icon{width:13px;height:13px}.comment-pending{font-size:10px;color:#d4b879;margin-top:9px;display:flex;gap:6px;align-items:center}.comment-pending .afx-icon{width:13px;height:13px}.comment-pagination{font-size:12px;display:flex;gap:12px}.comment-reply-title{font-size:20px;line-height:1.7;margin:28px 0 12px;display:flex;align-items:center;flex-wrap:wrap;gap:15px}.comment-reply-title small{font-size:11px;font-weight:400;color:#f29ea5}.comment-form{display:grid;grid-template-columns:1fr 1fr;gap:18px 16px}.comment-form .logged-in-as,.comment-notes,.comment-form-comment,.form-submit,.comment-form-cookies-consent{grid-column:1/-1}.comment-notes,.logged-in-as{font-size:11px;color:#8da7b2;line-height:1.9}.logged-in-as a{color:#6ed0a9}.comment-form p{margin:0}.comment-form label{display:block;font-size:12px;color:#b4cacf;margin-bottom:8px}.comment-form label span{color:#65d4a5}.comment-form input:not([type=checkbox]),.comment-form textarea{width:100%;font:inherit;font-size:13px;color:#e2ecef;border:1px solid #36535f;background:#0f2230;border-radius:8px;padding:12px 14px;outline:none;box-shadow:none;max-width:100%}.comment-form textarea{min-height:145px;resize:vertical;line-height:2}.comment-form input:focus,.comment-form textarea:focus{border-color:#58c99b;box-shadow:0 0 0 3px #25d59612}.comment-form .form-submit{margin-top:3px}.comment-form .submit{font-family:inherit;font-size:12px;min-height:45px;padding:11px 21px;border:0;cursor:pointer;gap:15px}.comment-form .submit .afx-icon{width:17px;height:17px}.comment-form input[type=checkbox]{accent-color:var(--green)}.comment-form-cookies-consent label{display:inline;font-size:10px;margin-right:8px}.comment-form input::placeholder,.comment-form textarea::placeholder{color:#668792}.comment-respond{scroll-margin-top:130px}
/* Archive — discover, filter, read */
.archive-page{padding-top:46px}.library-hero{display:grid;grid-template-columns:1.45fr 1fr;gap:60px;align-items:center;margin-bottom:35px}.library-intro .section-kicker{display:flex;gap:8px;align-items:center;font-size:11px;margin-bottom:15px}.library-intro .section-kicker .afx-icon{width:17px;height:17px}.library-intro h1{font-size:clamp(30px,3.4vw,44px);letter-spacing:-1px;line-height:1.65;margin-bottom:17px}.library-intro>p{font-size:13px;line-height:2.1;color:#9eb5c1;max-width:560px;margin-bottom:23px}.library-facts{display:flex;align-items:center;gap:23px;flex-wrap:wrap;font-size:10px;color:#829fac}.library-facts>span{display:flex;align-items:center;gap:6px}.library-facts .afx-icon{width:15px;height:15px;color:#659c89}.library-feature{position:relative;display:block;min-height:220px;border-radius:13px;overflow:hidden;border:1px solid #385b59;isolation:isolate}.library-feature>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2}.feature-shade{position:absolute;inset:0;background:linear-gradient(0deg,#071c2bf5,#071c2b4d);z-index:-1}.feature-copy{display:flex;flex-direction:column;align-items:flex-start;justify-content:flex-end;min-height:220px;padding:25px}.feature-copy small{display:flex;align-items:center;gap:6px;font-size:9px;color:#90dfb9;border:1px solid #92d5bb66;background:#0d352c8c;border-radius:5px;padding:3px 7px;margin-bottom:13px}.feature-copy small .afx-icon{width:12px;height:12px}.feature-copy strong{font-size:18px;font-weight:600;margin-bottom:6px}.feature-copy>span{font-size:11px;color:#b2cacb;display:flex;align-items:center;gap:8px}.feature-copy>span .afx-icon{width:16px;height:16px}.library-compact{grid-template-columns:1fr;gap:0;margin-bottom:25px}.library-compact h1{font-size:34px}.library-compact .library-intro>p{margin-bottom:15px}.library-discovery{background:linear-gradient(100deg,#10342d44,#102332);border:1px solid #2d4950;border-radius:13px;padding:25px 28px;margin-bottom:26px}.search-form{margin:0;max-width:none}.search-form label{font-size:11px;margin-bottom:11px;color:#b0c8cb;font-weight:500}.search-input-row{position:relative;display:flex;align-items:center;gap:0!important;border:1px solid #3c5e60;background:#081c29;border-radius:9px;padding:5px;min-height:57px;box-shadow:0 3px 10px #00101b1a}.search-input-row:focus-within{border-color:#61bf98;box-shadow:0 0 0 3px #25d5960b}.search-field-icon{display:flex;align-items:center;padding:0 13px;color:#6b9c95}.search-field-icon .afx-icon{width:21px;height:21px}.search-form .search-input-row input{border:0;background:transparent;border-radius:0;outline:none;box-shadow:none;font-size:13px;padding:10px 6px;flex:1;width:0;line-height:1.8;color:#dfe9ec}.search-input-row input::placeholder{color:#6e8c98}.search-input-row input::-webkit-search-cancel-button{display:none}.search-form .search-submit{min-height:45px;padding:9px 18px;font-size:11px;gap:13px;flex-shrink:0;border-radius:6px}.search-submit .afx-icon{width:16px;height:16px}.search-clear{border:0;background:none;color:#719b9b;cursor:pointer;padding:9px;display:grid;place-items:center;flex-shrink:0;border-radius:5px}.search-clear[hidden]{display:none}.search-clear:hover{background:#29464055;color:#c9dad5}.search-clear .afx-icon{width:16px;height:16px}.search-suggestions{display:flex;align-items:center;gap:7px 11px;flex-wrap:wrap;font-size:10px;margin-top:15px;color:#688d98}.search-suggestions a{color:#91b4b5;padding:2px 8px;background:#16303c;border:1px solid #294752;border-radius:5px}.search-suggestions a:hover{border-color:#4a8f77;color:#87ddb4}.topic-filters{display:flex;gap:8px;align-items:center;overflow-x:auto;padding:0 0 17px;scrollbar-width:thin;scrollbar-color:#335b51 transparent;max-width:100%;margin-bottom:7px}.topic-filters>a{display:inline-flex;align-items:center;gap:7px;white-space:nowrap;padding:8px 12px;font-size:11px;color:#9fb9c1;border:1px solid #2b4751;border-radius:7px;background:#0b202f;transition:color .2s,border-color .2s}.topic-filters .afx-icon{width:15px;height:15px}.topic-filters small{font-size:9px;color:#75939d;background:#18313d;padding:0 5px;min-width:20px;text-align:center;border-radius:4px}.topic-filters a:hover{border-color:#4d806b;color:#a6d9bf}.topic-filters a.is-active{border-color:#4b9a78;background:#173d32;color:#86e3b7}.topic-filters .is-active small{background:#255c46;color:#b6f3d3}.library-results-toolbar{display:flex;align-items:center;justify-content:space-between;gap:15px;flex-wrap:wrap;border-top:1px solid #233c4a;padding:20px 0 24px}.library-results-toolbar>p{font-size:12px;color:#93b1bd}.library-results-toolbar>p strong{color:#d3e5e4;font-size:15px;font-weight:500}.library-results-toolbar>p>span{font-size:10px;color:#597e8c;margin-right:6px}.library-sort{display:flex;align-items:center;gap:10px;font-size:10px}.library-sort label{display:flex;align-items:center;gap:5px;color:#6e919c}.library-sort .afx-icon{width:15px;height:15px}.library-sort select{font:inherit;background:#112838;border:1px solid #33515c;border-radius:6px;padding:7px 11px;color:#b8d2d4;cursor:pointer;min-height:35px;max-width:140px}.library-sort>button{display:inline-flex;align-items:center;gap:5px;font:inherit;background:transparent;border:1px solid #2f4f51;border-radius:6px;color:#7eb69c;padding:7px 9px;cursor:pointer}.js-sort .library-sort>button{display:none}.archive-grid{gap:23px}.acard{border-color:#2d4651;background:#0d2231}.acard .card-cover{position:relative;display:block;overflow:hidden;isolation:isolate}.acard .card-cover>img{width:100%;aspect-ratio:16/10;height:auto;object-fit:cover;transition:transform .4s}.acard .card-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,#071a2b66,transparent 70%);pointer-events:none}.acard:hover .card-cover>img{transform:scale(1.035)}.card-topic{position:absolute;bottom:12px;right:12px;z-index:1;max-width:calc(100% - 24px);font-size:9px;line-height:1.9;color:#c6e0d7;border:1px solid #83b2a35c;background:#092333e8;border-radius:5px;padding:3px 9px}.acard .card-content{padding:21px;display:flex;flex-direction:column;flex:1}.acard .article-label{font-size:9px;letter-spacing:0;color:#5d9484}.acard h3{font-size:16px;line-height:1.95;margin:8px 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font-weight:600;min-height:62px}.acard p{font-size:11px;line-height:2;color:#829fac;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:19px;min-height:44px}.card-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;padding-top:15px;margin-top:auto;border-top:1px solid #27414b;font-size:9px;color:#6c929f}.card-foot>span{display:inline-flex;align-items:center;gap:5px}.card-foot .afx-icon{width:13px;height:13px}.card-foot .card-read{color:#73b99d}.card-read .afx-icon{margin-right:3px}.pagination{padding-top:12px}.pagination .page-numbers{display:inline-flex;align-items:center;gap:7px;justify-content:center;min-height:37px;min-width:37px;font-size:12px;border-color:#2e4a56;background:#112634;padding:5px 12px}.pagination .current{background:#25d596;color:#07271e;border-color:#25d596}.pagination .afx-icon{width:15px;height:15px}.search-empty{text-align:center;border:1px dashed #35545d;background:#0c2331;border-radius:13px;padding:55px 25px;min-height:0}.search-empty .empty-icon{display:grid;place-items:center;margin:0 auto 20px;width:58px;height:58px;background:#173c3e;color:#72b79f;border-radius:13px}.empty-icon .afx-icon{width:29px;height:29px}.search-empty h2{font-size:25px}.search-empty p{font-size:12px;margin-bottom:22px}.search-empty .btn{font-size:11px;min-height:43px}
/* Accessible mobile navigation drawer */
.mobile-menu{position:fixed;inset:0 0 0 auto;width:min(410px,100%);height:100dvh;max-height:100dvh;max-width:100%;padding:0;margin:0;border:0;border-left:1px solid #3e5e5c;background:#0a1c2c;color:var(--text);box-shadow:-20px 0 60px #0006;overflow:auto;overscroll-behavior:contain;z-index:1000}.mobile-menu[open]{display:flex;flex-direction:column}.mobile-menu::backdrop{background:#020f1bd9;backdrop-filter:blur(6px)}.mobile-menu-top{position:sticky;top:0;display:flex;align-items:center;justify-content:space-between;gap:15px;padding:25px 23px;background:#0b2030;border-bottom:1px solid #29434e;z-index:2}.mobile-menu-top .brand b{font-size:16px}.mobile-menu-top .brand small{color:#6f999f;font-size:10px}.mobile-close{width:36px;height:36px;display:grid;place-items:center;background:#17333e;color:#adc9c9;border:1px solid #36545a;border-radius:8px;cursor:pointer}.mobile-menu-content{padding:26px 23px;flex:1}.mobile-menu .search-form label{font-size:11px;margin-bottom:12px}.mobile-menu .search-input-row{min-height:49px;padding:3px}.mobile-menu .search-field-icon{padding:0 8px}.mobile-menu .search-field-icon .afx-icon{width:18px;height:18px}.mobile-menu .search-input-row input{font-size:11px;padding:9px 3px}.mobile-menu .search-submit{font-size:0;padding:9px 11px;min-height:39px;gap:0}.mobile-menu .search-submit .afx-icon{width:17px;height:17px}.mobile-nav-label{font-size:10px;color:#5f9199;margin:30px 0 10px}.mobile-menu nav{display:flex;flex-direction:column;gap:5px}.mobile-menu nav>a{display:flex;align-items:center;gap:12px;padding:16px 10px;border:1px solid transparent;border-radius:9px;min-height:80px}.mobile-menu nav>a:hover{border-color:#31574f;background:#133a3144}.mobile-link-icon{display:grid;place-items:center;flex-shrink:0;width:40px;height:42px;background:#15333c;color:#6fc6a4;border:1px solid #2e514c;border-radius:9px}.mobile-link-icon .afx-icon{width:21px;height:21px}.mobile-menu nav strong{display:block;font-size:13px;font-weight:500;line-height:1.7}.mobile-menu nav small{display:block;color:#688f9b;font-size:10px;margin-top:5px}.mobile-menu nav>a>.afx-icon{margin-right:auto;width:16px;height:16px;color:#527d7a}.mobile-youtube{display:flex;align-items:center;gap:10px;border:1px solid #456d58;border-radius:8px;background:#183c31;padding:15px;color:#a3e3bf;font-size:12px;margin-top:29px}.mobile-youtube>.afx-icon:last-child{margin-right:auto;width:16px}.mobile-menu-footer{display:flex;align-items:center;justify-content:center;gap:8px;padding:20px;color:#618b91;font-size:10px;border-top:1px solid #29434e}.mobile-menu-footer .afx-icon{width:15px;height:15px}button,input,select,textarea{font-family:inherit}input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--green);outline-offset:3px}.site-header .burger{border:1px solid #2d4b55;border-radius:8px;background:#0e2736;padding:9px;min-width:40px;min-height:40px}
@media(max-width:1100px){.reading-layout{grid-template-columns:minmax(0,1fr) 260px;gap:27px}.reading-sidebar{padding:20px}.library-hero{gap:35px}.topic-filters>a{font-size:10px;padding:7px 10px}.lesson-nav-copy{padding:15px}.lesson-nav-card>img{width:60px}.lesson-nav-card h3{font-size:12px}.library-intro h1{font-size:37px}}
@media(max-width:960px){.site-header .menu{display:none!important}.reading-layout{grid-template-columns:minmax(0,1fr) 240px;gap:22px}.reading-sidebar{padding:17px}.reading-sidebar h2{font-size:20px}.sidebar-thumb{width:40px;height:47px}.sidebar-lessons>a{gap:8px}.sidebar-arrow{display:none}.library-hero{grid-template-columns:1.3fr 1fr;gap:25px}.library-intro h1{font-size:33px}.library-intro>p{font-size:12px}.library-feature,.feature-copy{min-height:225px}.feature-copy{padding:19px}.feature-copy strong{font-size:16px}.library-facts{gap:12px;font-size:9px}.archive-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.acard .card-content{padding:19px}.lesson-nav-grid{grid-template-columns:1fr}.lesson-nav-card>img{width:100px}.lesson-nav-card h3{font-size:14px}.post-rating{padding:20px}.rating-intro{align-items:flex-start;gap:10px}.post-rating h2{font-size:15px}.rating-emblem{height:37px;width:37px}.rating-summary{font-size:10px}.post-toc summary{padding:16px}.rating-choice{font-size:10px}.rating-submit-row{gap:10px}.comment-form{grid-template-columns:1fr}.comment-form>p{grid-column:1/-1}}
@media(max-width:700px){.article-page{padding-top:22px}.article-heading h1{font-size:28px;line-height:1.8;margin:14px 0 20px}.breadcrumbs{font-size:10px;gap:8px;line-height:1.9;margin-bottom:24px}.breadcrumbs .afx-icon{width:13px;height:13px}.article-topic-label{font-size:10px;padding:4px 9px}.article-meta{font-size:10px;gap:13px 18px}.article-meta .afx-icon{width:15px;height:15px}.reading-layout{grid-template-columns:minmax(0,1fr);gap:38px}.article-cover .article-featured{aspect-ratio:16/10}.article-cover>span{font-size:8px;bottom:10px;right:10px;padding:4px 8px}.article-cover>span .afx-icon{width:12px;height:12px}.post-toc{margin:22px 0 29px}.post-toc summary{padding:15px;gap:11px}.post-toc summary strong{font-size:13px}.post-toc summary small{font-size:9px}.toc-icon{width:34px;height:35px;border-radius:7px}.toc-icon .afx-icon{width:18px;height:18px}.post-toc nav{padding:13px 17px 17px}.post-toc a{font-size:11px}.post-toc .toc-h3>a{font-size:10px}.reading-sidebar{position:static;padding:24px;max-height:none;overflow:visible}.reading-sidebar h2{font-size:23px}.sidebar-thumb{width:52px;height:54px}.sidebar-lessons>a{gap:12px}.sidebar-lessons strong{font-size:12px}.sidebar-arrow{display:block}.sidebar-top .section-kicker{font-size:11px}.reading-sidebar>a.sidebar-all{font-size:11px}.reading-sidebar>a.sidebar-back{font-size:10px}.post-rating{padding:21px 18px;margin:32px 0}.rating-intro{gap:11px}.post-rating h2{font-size:15px}.rating-stars{gap:6px;margin:23px 0 18px}.rating-star>span:not(.screen-reader-text){width:43px;height:43px}.rating-star .afx-icon{width:25px;height:25px}.rating-summary{font-size:10px}.rating-submit-row .btn{font-size:10px;padding:9px 15px}.lesson-navigation{margin:35px 0}.section-title-row{gap:12px}.section-title-row h2{font-size:21px}.section-title-row>a{font-size:9px}.lesson-nav-grid{gap:12px}.lesson-nav-card>img{width:90px}.lesson-nav-copy{padding:17px}.lesson-nav-card h3{font-size:14px;margin:9px 0}.comments-area{margin-top:35px;padding-top:28px}.comments-area .section-title-row h2{font-size:20px;gap:8px}.comments-area .section-title-row h2>.afx-icon{width:20px;height:20px}.comments-empty{padding:18px;gap:12px}.comments-empty>span{height:32px;width:32px}.comments-empty strong{font-size:12px}.comments-empty p{font-size:10px}.comment-reply-title{font-size:18px}.comment-notes,.logged-in-as{font-size:10px}.comment-form{gap:17px}.comment-form label{font-size:11px}.comment-form input:not([type=checkbox]),.comment-form textarea{font-size:12px}.comment-form .submit{width:100%;justify-content:center}.afx-comment>article{padding:16px;gap:10px}.comment-avatar{width:30px;height:30px;font-size:14px}.comment-heading{gap:4px}.comment-heading strong{font-size:11px}.comment-heading>a{font-size:9px}.comment-text{font-size:12px}.comment-list .children{margin-right:12px;padding-right:12px}.archive-page{padding-top:31px}.library-hero{grid-template-columns:1fr;gap:25px;margin-bottom:25px}.library-intro h1{font-size:31px;line-height:1.8;letter-spacing:-.8px;margin-bottom:13px}.library-intro .section-kicker{font-size:10px;margin-bottom:13px}.library-intro>p{font-size:12px;line-height:2;margin-bottom:19px}.library-facts{font-size:9px;gap:18px}.library-facts .afx-icon{width:14px;height:14px}.library-feature,.feature-copy{min-height:185px}.feature-copy{padding:22px}.feature-copy strong{font-size:18px}.feature-copy>span{font-size:10px}.library-compact h1{font-size:28px;overflow-wrap:anywhere}.library-discovery{padding:20px 16px;margin-bottom:23px}.search-form label{font-size:10px}.search-input-row{min-height:53px;padding:4px}.search-field-icon{padding:0 7px}.search-field-icon .afx-icon{width:18px;height:18px}.search-form .search-input-row input{font-size:11px;padding:9px 3px}.search-form .search-submit{min-height:42px;padding:9px 12px;font-size:10px;gap:0}.search-submit .afx-icon{display:none}.search-clear{padding:6px}.search-clear .afx-icon{width:14px;height:14px}.search-suggestions{font-size:9px;gap:6px 8px;margin-top:13px}.search-suggestions>span{flex-basis:100%;margin-bottom:3px}.search-suggestions a{padding:2px 6px}.topic-filters{gap:7px;scroll-padding-inline:5px;margin-left:-5px;padding-left:5px}.topic-filters>a{font-size:10px;padding:7px 10px}.topic-filters small{font-size:8px;min-width:18px}.library-results-toolbar{padding:17px 0 21px;gap:15px}.library-results-toolbar>p{font-size:10px}.library-results-toolbar>p strong{font-size:13px}.library-results-toolbar>p>span{font-size:9px;margin-right:4px}.library-sort{font-size:9px;gap:6px}.library-sort label>span{display:none}.library-sort select{font-size:10px;padding:6px 8px;min-height:34px}.library-sort>button{padding:6px;gap:2px}.library-sort>button .afx-icon{width:12px}.archive-grid{grid-template-columns:1fr;gap:22px}.acard .card-cover>img,.archive-grid .acard .card-cover>img{aspect-ratio:16/10}.acard .card-content{padding:22px}.acard h3{font-size:17px;line-height:1.9;min-height:0;margin:8px 0 10px}.acard p{font-size:12px;line-height:2;min-height:0;margin-bottom:19px}.acard .article-label{font-size:9px}.card-topic{font-size:9px}.card-foot{font-size:10px;padding-top:16px}.card-foot .afx-icon{width:14px;height:14px}.pagination .page-numbers{font-size:11px;min-height:35px;min-width:35px;padding:4px 10px}.pagination .nav-links{gap:6px}.search-empty{padding:37px 20px}.search-empty h2{font-size:22px}.search-empty p{font-size:11px}.mobile-menu-top .brand-image{width:43px;height:43px}}
@media(max-width:370px){.library-intro h1{font-size:28px}.article-heading h1{font-size:25px}.rating-stars{gap:4px}.rating-star>span:not(.screen-reader-text){width:40px;height:41px}.rating-submit-row{align-items:flex-start;flex-direction:column;gap:12px}.rating-submit-row button{width:100%}.post-rating h2{font-size:14px}.library-results-toolbar{align-items:flex-start}.mobile-menu-content{padding-inline:18px}.mobile-menu-top{padding-inline:18px}.mobile-menu nav>a{padding-inline:5px}}
@media(prefers-reduced-motion:reduce){.acard .card-cover>img{transition:none}.acard:hover .card-cover>img{transform:none}.toc-chevron{transition:none}}
/* Preserve the full labels and axes in restored educational figures. */
.article-cover .article-featured{aspect-ratio:auto;object-fit:contain}

.comment-list .children{margin-top:14px}

/* Article FAQ — native disclosures remain usable without JavaScript. */
.entry-content .article-faq{margin:48px 0 38px;padding:28px;border:1px solid #34554f;border-radius:16px;background:radial-gradient(ellipse at 100% 0,#1b524339,transparent 65%),#102531;overflow:hidden}
.faq-heading{display:flex;align-items:center;gap:13px;margin-bottom:25px}.faq-emblem{display:grid;place-items:center;flex-shrink:0;width:44px;height:44px;background:#1a443e;border:1px solid #366557;border-radius:12px;color:#81dbb7}.entry-content .faq-heading h2{font-size:23px;line-height:1.7;margin:0;border:0;padding:0;scroll-margin-top:140px}.entry-content .faq-heading p{margin:4px 0 0;font-size:11px;color:#98b5b6;line-height:1.9}.faq-count{margin-inline-start:auto;white-space:nowrap;font-size:10px;color:#96c9b6;background:#1a3c38;border:1px solid #30574b;border-radius:6px;padding:3px 9px}
.faq-items{display:grid;gap:10px}.faq-item{border:1px solid #304c56;border-radius:10px;background:#0d202e;transition:border-color .18s}.faq-item:hover{border-color:#54766f}.faq-item[open]{border-color:#4b8b73;background:#112d32}.faq-item>summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:12px;padding:18px;min-height:66px}.faq-item>summary::-webkit-details-marker{display:none}.faq-item>summary::marker{content:''}.entry-content .faq-item h3{font-size:14px;line-height:1.9;font-weight:500;color:#dfebe7;margin:0;padding:0;border:0;flex:1;min-width:0;scroll-margin-top:150px}.faq-number{font-size:11px;color:#80a9a2;width:23px;flex-shrink:0;font-variant-numeric:tabular-nums}.faq-item[open] .faq-number{color:#70d6aa}.faq-toggle{position:relative;width:27px;height:27px;flex-shrink:0;border:1px solid #385551;border-radius:7px;color:#9bc3b6;background:#183632}.faq-toggle::before,.faq-toggle::after{content:'';position:absolute;inset:12px 7px auto;height:1px;background:currentColor}.faq-toggle::after{transform:rotate(90deg);transition:transform .18s}.faq-item[open] .faq-toggle{color:#71dfaf;background:#1d493c;border-color:#40765e}.faq-item[open] .faq-toggle::after{transform:rotate(0)}.faq-item>summary:focus-visible{outline:2px solid #6bdbac;outline-offset:3px;border-radius:9px}
.entry-content .faq-answer{padding:0 53px 20px 22px;color:#b6cccd;font-size:13px;line-height:2.2;overflow-wrap:anywhere}.entry-content .faq-answer p{font-size:inherit;line-height:inherit;margin:0 0 12px}.entry-content .faq-answer p:last-child{margin-bottom:0}.entry-content .faq-answer ul,.entry-content .faq-answer ol{margin-block:12px}.entry-content .faq-footnote{display:flex;align-items:center;gap:7px;flex-wrap:wrap;font-size:11px;color:#8eabaa;margin:22px 0 0;padding-top:18px;border-top:1px solid #2c484c}.faq-footnote a{display:inline-flex;align-items:center;gap:6px;color:#78d7ac;text-decoration:none}.faq-footnote .afx-icon{width:14px;height:14px}
@media(max-width:700px){.entry-content .article-faq{margin:34px 0;padding:20px 15px;border-radius:12px}.faq-heading{gap:10px;margin-bottom:20px;flex-wrap:wrap}.faq-emblem{width:36px;height:36px;border-radius:9px}.faq-emblem .afx-icon{width:19px;height:19px}.entry-content .faq-heading h2{font-size:20px}.entry-content .faq-heading p{font-size:10px}.faq-count{font-size:9px;padding:2px 7px}.faq-item>summary{gap:8px;padding:15px 12px;min-height:68px;align-items:flex-start}.entry-content .faq-item h3{font-size:12px;line-height:2}.faq-number{width:17px;font-size:10px;padding-top:2px}.faq-toggle{width:24px;height:24px;margin-top:1px}.faq-toggle::before,.faq-toggle::after{inset:10.5px 6px auto}.entry-content .faq-answer{padding:0 37px 18px 16px;font-size:12px}.entry-content .faq-footnote{font-size:10px;line-height:2;margin-top:18px;padding-top:16px}}
@media(max-width:370px){.faq-count{margin-inline-start:46px}.entry-content .faq-answer{padding-inline:14px}}
@media(prefers-reduced-motion:reduce){.faq-item,.faq-toggle::after{transition:none}}

/* Educational figures: preserve all labels; keep captions outside the image. */
.article-cover .article-image-link{display:block;border-radius:12px;overflow:hidden;cursor:zoom-in}.article-cover .article-featured{display:block;width:100%;height:auto;object-fit:contain}.article-image-caption{display:flex;align-items:flex-start;justify-content:space-between;gap:15px;padding:13px 2px 0;color:#91aeb8;font-size:10px;line-height:1.9}.article-image-caption>span{max-width:75%}.article-image-caption>a{display:inline-flex;align-items:center;gap:5px;flex-shrink:0;color:#80d6b4;font-size:10px}.article-image-caption .afx-icon{width:13px;height:13px}.article-image-link:focus-visible{outline:2px solid var(--green);outline-offset:4px}
@media(max-width:700px){.article-image-caption{flex-direction:column;gap:8px;font-size:10px}.article-image-caption>span{max-width:100%}.article-image-caption>a{font-size:11px;min-height:30px}.article-cover .article-image-link{border-radius:9px}}