/* iPad-first visual refinement. Interface data and persistence are unchanged. */
:root{--bg:#f5f5f7;--panel:#fff;--ink:#1d1d1f;--muted:#6e6e73;--line:#e5e5ea;--soft:#f2f5fa;--blue:#0071e3;--green:#287b55;--shadow:0 4px 22px #1d1d1f04;font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","Segoe UI",sans-serif;font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
body.dark{--bg:#141416;--panel:#202023;--ink:#f5f5f7;--muted:#a1a1a6;--line:#343438;--soft:#292d34;--blue:#60aaff;--green:#67d2a1;--shadow:none}button{min-height:44px;border-radius:12px;padding:10px 16px;font-weight:550;touch-action:manipulation;-webkit-tap-highlight-color:transparent;transition:background .16s ease,box-shadow .16s ease}button:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid #0071e3;outline-offset:3px}button.primary{background:#0071e3;border-color:#0071e3;color:white;box-shadow:0 3px 8px #0071e313}button.primary:hover{background:#0077ed}button.active{background:#0071e3;border-color:#0071e3}button.small{min-height:44px;padding:8px 12px;font-size:12px}button.ghost{color:var(--blue)}button:disabled{opacity:.6}a{touch-action:manipulation}input,select,textarea{min-height:46px;font-size:16px;border-radius:12px}input[type=checkbox]{width:22px;height:22px;min-height:22px;vertical-align:middle;margin:0 9px 0 0;accent-color:#0071e3}label{font-size:13px}label:has(input[type=checkbox]){display:flex;align-items:center;min-height:44px}select{max-width:100%}summary{min-height:44px;display:list-item;align-content:center;padding:8px 0;touch-action:manipulation}details{padding:8px 16px;border-radius:14px}header{background:#fafafccc;backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);color:var(--ink);padding:18px 30px;border-bottom:1px solid #e5e5ea85;gap:24px}.dark header{background:#202023dc;border-color:var(--line)}.brand{gap:13px}.brand strong{font-size:21px;letter-spacing:-.65px;font-weight:650}.brand small{font-size:11px;color:var(--muted);letter-spacing:.1px;margin-top:1px;text-transform:none}.brand-mark{width:40px;height:44px;border-radius:12px;background:linear-gradient(150deg,#239bff,#0060cc);display:flex;align-items:center;justify-content:center;box-shadow:0 3px 7px #0071e314}.brand-mark svg{height:26px;width:26px;fill:none;stroke:#fff;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}.header-tools{gap:10px}.header-tools button{border:0;background:#ebebef;color:var(--ink);font-size:12px;border-radius:12px}.header-tools button:hover{background:#ffffff20;color:#fff}.dark .header-tools button{background:#303035}.header-tools button:first-child{color:var(--muted);min-width:190px;text-align:left}kbd{border-color:#d1d1d6;border-radius:4px;color:var(--muted);margin-left:28px}.session-navigation{display:flex;align-items:center;gap:14px;padding:0 28px;background:var(--panel);border-bottom:1px solid var(--line);min-height:74px}.session-label{font-size:12px;font-weight:650;color:var(--muted);padding-right:8px;flex:none}#courses{flex:1;min-width:0;gap:8px;padding:12px 1px;background:transparent;border:0;overflow-x:auto;overscroll-behavior-x:contain;scroll-snap-type:x proximity;scrollbar-width:none;-webkit-overflow-scrolling:touch}#courses::-webkit-scrollbar{display:none}#courses button{max-width:205px;min-height:47px;border:0;border-radius:11px;background:transparent;font-size:12px;font-weight:500;line-height:1.35;color:var(--muted);padding:9px 16px;scroll-snap-align:center;flex:0 0 auto;text-align:center}#courses .active{background:var(--soft);color:var(--blue);font-weight:650}#courses button:hover{background:var(--soft);color:var(--ink)}#courses .active:hover{color:var(--blue)}.all-sessions{flex:none;background:transparent;border:0;white-space:nowrap;color:var(--blue);font-size:12px;padding:10px 7px}.all-sessions span{padding-left:5px}.layout{max-width:1800px;grid-template-columns:238px minmax(0,1fr)}aside{background:transparent;padding:29px 17px;border-color:#e5e5ea99}aside .eyebrow{color:var(--muted);letter-spacing:1.15px;font-size:9px;margin:0 11px}aside h2{font-size:18px;letter-spacing:-.4px;line-height:1.35;margin:8px 11px 21px}aside button{display:flex;align-items:center;gap:10px;border-radius:10px;font-size:12px;min-height:44px;line-height:1.4;padding:9px 11px;margin:3px 0;color:var(--muted)}aside button .ui-icon{width:18px;height:18px;flex:none}aside button.selected{color:var(--blue);background:#0071e30c;font-weight:600}aside .topic-link{font-size:12px;gap:10px;padding-top:9px;padding-bottom:9px;min-height:44px}aside .topic-dot{width:6px;height:6px;border-color:#b2b2b8}aside .topic-dot.done{border-color:var(--green)}aside .group-label{letter-spacing:1.1px;font-size:9px;margin:25px 11px 8px}.progress-box{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:16px 13px;font-size:11px}.progress-track{height:5px;background:#e4e6eb}.progress-track i{background:#0071e3}.dark .progress-track{background:#37373d}main{padding:24px 30px 60px;min-width:0}.eyebrow{font-size:10px;letter-spacing:1.5px;color:var(--muted);font-weight:650}h1{font-size:42px;line-height:1.08;letter-spacing:-1.7px;font-weight:680}h2{font-size:25px;letter-spacing:-.8px;font-weight:650}h3{font-size:19px;letter-spacing:-.45px;font-weight:650}.session-breadcrumb{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:11px;margin:0 3px 21px}.session-breadcrumb b{color:var(--ink);font-weight:500}.hero{grid-template-columns:minmax(0,1.45fr) minmax(255px,1fr);border:0;border-radius:25px;min-height:350px;padding:40px;background:linear-gradient(115deg,#fff 25%,#f6f9ff 62%,#eaf3ff);color:var(--ink);box-shadow:0 7px 35px #18283b04;gap:15px;align-items:center}.dark .hero{background:linear-gradient(115deg,#242427 25%,#252c38 62%,#202f46)}.hero-copy{position:relative;z-index:1}.hero .eyebrow{color:var(--blue);font-size:10px;letter-spacing:1.3px}.hero h1{font-size:clamp(33px,3.5vw,51px);max-width:630px;margin:13px 0 20px;letter-spacing:-1.8px;line-height:1.04}.hero p{font-size:17px;line-height:1.55;color:var(--muted);max-width:480px;margin:0 0 24px}.hero-actions{gap:10px}.hero-actions button{min-height:46px;border-radius:25px;padding:11px 19px;font-size:12px;display:inline-flex;align-items:center;gap:9px}.hero-caption{font-size:10px;color:var(--muted);margin-top:17px}.ui-icon{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.55;stroke-linecap:round;stroke-linejoin:round;vertical-align:middle}.hero-actions .ui-icon{width:16px;height:16px}.hero-art{display:flex;padding:5px 0;position:relative;isolation:isolate;gap:12px}.hero-art:before{content:"";position:absolute;inset:15% -10%;background:radial-gradient(ellipse,#9ed0ff70,transparent 68%);filter:blur(15px);z-index:-1}.art-kicker{font-size:9px;letter-spacing:1.8px;color:#6183a8;margin-bottom:3px}.art-stack{width:245px;display:flex;flex-direction:column;align-items:center}.art-card{width:218px;padding:13px 16px;background:#ffffffc7;border:1px solid #fff;border-radius:17px;box-shadow:0 12px 26px #38567e10,0 1px 3px #38567e08;backdrop-filter:blur(10px);display:flex;align-items:center;gap:12px;position:relative}.dark .art-card{background:#333e50bf;border-color:#ffffff18;box-shadow:0 12px 26px #0002}.art-card small{font-size:8px;letter-spacing:1.3px;color:#7b8ba2;display:block;font-weight:600}.art-card b{font-size:14px;color:#273d59;display:block;letter-spacing:-.2px}.dark .art-card b{color:#e3efff}.art-symbol{width:35px;height:35px;border-radius:10px;background:#e8f2ff;color:#0071e3;display:grid;place-items:center}.art-two .art-symbol{background:#eeeaff;color:#8464d2}.art-three .art-symbol{background:#e5f4ec;color:#35865d}.art-one{transform:translateX(-12px)}.art-two{transform:translateX(12px)}.art-three{transform:translateX(-4px)}.art-link{width:1px;height:18px;background:#a8c8ed;position:relative}.art-link:after{content:"";width:4px;height:4px;border:1px solid #a8c8ed;border-top:0;border-left:0;position:absolute;bottom:1px;left:-2px;transform:rotate(45deg)}.session-summary{display:grid;grid-template-columns:repeat(4,1fr);gap:5px;padding:23px 3px;border-bottom:1px solid var(--line)}.session-summary>div{display:flex;gap:11px;align-items:center;padding:0 10px;border-right:1px solid var(--line)}.session-summary>div:last-child{border:0}.summary-icon{color:#7d91ab}.summary-icon svg{width:23px;height:23px}.session-summary b{display:block;font-size:12px;font-weight:600}.session-summary small{font-size:10px;display:block;margin-top:2px}.progress-ring{flex:none;width:40px;height:40px;border-radius:50%;background:conic-gradient(#0071e3 var(--progress),var(--line) 0);display:grid;place-items:center}.progress-ring b{display:grid;place-items:center;width:32px;height:32px;border-radius:50%;background:var(--bg);font-size:9px}.session-material{margin-top:21px;display:flex;align-items:center;gap:12px;padding:15px 18px;background:var(--panel);border:1px solid var(--line);border-radius:15px;font-size:12px}.session-material .material-icon{width:35px;height:35px;border-radius:10px;background:#f6efef;color:#b66666;display:grid;place-items:center;flex:none}.session-material b{font-size:12px;font-weight:600}.session-material p{font-size:11px;margin:2px 0 0;color:var(--muted)}.session-material button{margin-left:auto;flex:none}.toolbar{margin:34px 0 19px;gap:16px}.toolbar h2{margin:3px 0 2px;font-size:27px}.toolbar p{font-size:12px;margin:3px 0 0}.segmented{border:0;background:#e6e6eb;padding:3px;border-radius:11px;align-items:center}.segmented button{min-height:38px;padding:7px 17px;border-radius:8px;font-size:12px;color:var(--muted)}.segmented button.active{background:var(--panel);color:var(--ink);box-shadow:0 1px 4px #00000013}.dark .segmented{background:#303035}.grid{gap:20px}.card{border:0;border-radius:20px;box-shadow:var(--shadow);padding:24px;background:var(--panel)}.topic-card{display:flex;flex-direction:column;overflow:hidden}.topic-card .card-head{align-items:center;justify-content:space-between;margin-bottom:16px}.card .icon{width:40px;height:40px;border-radius:12px;background:#ebf3fe;color:#0071e3}.card .icon.accent-1{background:#f0ebfa;color:#8962ca}.card .icon.accent-2{background:#e9f5ef;color:#368f63}.card .icon.accent-3{background:#fdf0e3;color:#bb8342}.card .icon svg{width:23px;height:23px}.card .bookmark{width:44px;height:44px;border-radius:50%;font-size:23px;line-height:1;color:#9c9ca4;display:grid;place-items:center}.card .bookmark:hover{background:var(--bg)}.card .bookmark.saved{color:#c38f2e}.topic-card h3{font-size:20px;line-height:1.2;margin:0 0 11px}.card .summary{font-size:13px;line-height:1.65;margin:0 0 7px;min-height:0}.diagram{border:0;background:linear-gradient(140deg,#f2f6fc,#f8fafd);border-radius:14px;padding:16px;margin:16px 0}.dark .diagram{background:linear-gradient(140deg,#252e3c,#252a33)}.diagram svg rect,.diagram svg circle{stroke:#c5d7ec;stroke-width:1;fill:var(--panel)}.diagram svg .core{fill:#2884dc;stroke:#2884dc}.diagram svg text{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:12px;font-weight:550}.diagram svg path,.diagram svg line{stroke:#9cb7d4;stroke-width:1.5}.diagram .ghost{font-size:10px;color:var(--muted);min-height:44px}.topic-card details{border:0;border-top:1px solid var(--line);border-radius:0;padding:0;font-size:12px;margin:0}.topic-card details summary{font-weight:550;min-height:44px}.topic-card .points{font-size:12px}.memory-anchor{font-size:12px;line-height:1.55;color:var(--muted);padding-top:10px;margin:7px 0 15px}.memory-anchor b{display:block;color:var(--ink);font-size:10px;letter-spacing:.4px;margin-bottom:4px}.card-foot{margin-top:auto;padding-top:12px;font-size:10px}.card-foot button{display:flex;align-items:center;gap:8px;font-size:12px;min-height:44px;padding:8px 0 8px 10px}.card-foot .ui-icon{width:15px;height:15px}.compare>div{border-color:#dae3ed;border-radius:10px;font-size:11px}.compare b{background:#4885c8;font-weight:600;letter-spacing:.6px;padding:10px}.compare>div:nth-child(2) b{background:#55a198}.compare span{padding:8px 10px}.spectrum i{background:linear-gradient(#69a8e8,#3281cf);border-radius:6px 6px 0 0}.spectrum b{font-size:10px;font-weight:550}.nested{border-color:#b3cde9;border-radius:12px;background:#a8cff224;font-weight:500}.lane{border-left-width:3px;border-left-color:#71a7df;border-radius:9px}.tile{border:1px solid var(--line);border-radius:12px;padding:13px}.tile b{font-weight:550}.next-section{margin:30px 0;padding:30px;border-radius:22px;border:0;background:linear-gradient(110deg,var(--panel),var(--soft));gap:20px}.next-section h2{margin:4px 0 8px;font-size:30px}.next-section p{margin:0;color:var(--muted);font-size:12px}.next-section button{display:flex;align-items:center;gap:9px;border-radius:25px;font-size:12px;padding:12px 20px}.next-section .ui-icon{height:17px;width:17px}.source-coverage{border:0;background:transparent;font-size:12px}.principle-map{gap:15px;padding:20px 6px}.principle-map button{border-radius:16px;min-height:94px;background:var(--panel);font-size:12px;line-height:1.5;border-color:var(--line)}.map-center{background:linear-gradient(150deg,#4098ed,#0071e3);box-shadow:0 0 0 14px #2689ec08;font-size:12px}.badge{background:var(--soft);color:var(--muted);border:0;font-size:10px;font-weight:550;padding:4px 9px}.principle-map .badge{color:var(--blue);margin-bottom:4px}.callout{border:0;border-radius:15px;background:var(--soft);padding:20px}.detail-layout{gap:22px}.topic-detail h1{margin-top:18px}.topic-detail .detail-layout{margin-top:25px}.stat{border:0;border-radius:19px}.stat strong{font-size:34px;letter-spacing:-1.5px;color:var(--ink)}.list-item{border-radius:14px;padding:17px;min-height:60px}.list-item small{font-size:12px;margin-top:4px}.empty{border:0;box-shadow:none;padding:55px 30px;border-radius:24px}.empty h2{font-size:30px}.empty p{max-width:650px;margin:10px auto}.empty .big-icon{color:#0071e3}.placeholder-session{padding-top:15px}.placeholder-session h1{max-width:800px}.placeholder-session .empty{margin-top:30px}.flashcard{min-height:350px;border:0;border-radius:26px;background:linear-gradient(130deg,var(--panel),var(--soft));padding:38px;touch-action:pan-y;user-select:none;-webkit-user-select:none}.flashcard h2{font-size:30px;letter-spacing:-.9px;line-height:1.4}.flashcard .eyebrow{color:var(--blue)}.flash-actions{gap:12px;margin-top:25px}.option{min-height:68px;padding:18px;border-radius:15px;margin:12px 0;font-size:15px;line-height:1.6}.option .letter{height:32px;width:32px;border-radius:9px}.option:disabled{opacity:1}.option .letter{color:var(--muted)}.qnav{gap:8px}.qnav button{height:44px;width:44px;padding:9px;font-size:12px;border-radius:11px}.question h2{letter-spacing:-.5px;line-height:1.5}.table-wrap{border-radius:16px;overscroll-behavior-x:contain;-webkit-overflow-scrolling:touch}.matrix td button{min-height:44px;font-size:12px;line-height:1.5;padding:9px}.matrix{min-width:980px}th,td{padding:13px}dialog{border:0;border-radius:24px;box-shadow:0 20px 80px #0002;padding:35px;max-width:min(1000px,94vw)}dialog::backdrop{background:#15192255;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}.close{width:44px;height:44px;border:0;border-radius:50%;background:var(--bg);padding:0;right:12px;top:12px}.chooser-title{font-size:34px;margin-bottom:8px}.session-chooser{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:24px}.session-chooser button{display:flex;align-items:center;gap:12px;text-align:left;padding:15px;border:1px solid var(--line);background:var(--panel);font-size:12px;line-height:1.4}.session-chooser button.chosen{border-color:#0071e3;background:#0071e308}.chooser-icon{flex:none;color:var(--blue)}.session-chooser b{font-weight:600;display:block}.session-chooser small{display:block;font-size:10px;margin-top:4px}.session-chooser .badge{font-size:8px;margin-left:auto;white-space:nowrap;flex:none}.footer-note{font-size:10px;max-width:630px;line-height:1.65;margin:30px auto 0}#toast{bottom:max(20px,env(safe-area-inset-bottom));border-radius:14px;max-width:90vw;font-size:13px}.tablet-session-bar{display:none}.drawer-backdrop{display:none}
@media(min-width:1500px){.grid{grid-template-columns:repeat(3,minmax(0,1fr))}.hero{padding:45px 48px}.hero h1{font-size:54px}.card{padding:27px}.card .summary{min-height:0}.layout{grid-template-columns:250px minmax(0,1fr)}.topic-card h3{font-size:22px}}
@media(max-width:1250px){.layout{display:block}aside{display:none}main{padding:25px 30px 55px}.hero{grid-template-columns:1.45fr 1fr;min-height:330px}.hero h1{font-size:46px}.hero-art{display:flex}.grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.tablet-session-bar{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:12px 28px 0}.tablet-session-bar button{background:transparent;border:0;font-size:13px;color:var(--blue);display:flex;align-items:center;gap:9px;padding:8px 0}.tablet-session-bar .ui-icon{width:18px;height:18px}.tablet-session-name{font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.tablet-session-bar+.layout main{padding-top:16px}.session-breadcrumb{display:none}.header-tools button:first-child{min-width:150px}.brand strong{font-size:20px}.session-navigation{padding:0 28px;gap:10px}body.drawer-open aside{display:block;position:fixed;left:0;top:0;bottom:0;width:310px;max-width:86vw;min-height:100dvh;background:var(--panel);overflow-y:auto;-webkit-overflow-scrolling:touch;padding:26px 18px 35px;z-index:90;box-shadow:8px 0 35px #0002;border:0;padding-top:max(26px,env(safe-area-inset-top))}body.drawer-open .drawer-backdrop{display:block;position:fixed;inset:0;border:0;border-radius:0;background:#11182766;backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px);z-index:89;width:100%;height:100%;padding:0}body.drawer-open{overflow:hidden}.drawer-close{display:flex!important;margin:0 0 16px auto!important;width:44px!important;padding:10px!important;justify-content:center!important;background:var(--bg)!important;border-radius:50%!important}.session-side-tools,.workspace-tools{display:block}.session-summary{padding:22px 0}.topic-card .diagram svg{max-height:290px}.topic-card .diagram{display:flex;flex-direction:column;justify-content:center;min-height:220px}.detail-layout{grid-template-columns:1fr 1fr}.search-row{grid-template-columns:1fr 180px 180px}.stats{grid-template-columns:repeat(4,1fr)}}
@media(min-width:1251px){.drawer-close{display:none!important}}
@media(max-width:900px){header{padding:16px 22px}.header-tools button:first-child{min-width:44px;text-align:center}.header-tools span,.header-tools kbd{display:none}.session-navigation{padding:0 20px}.session-label{display:none}.tablet-session-bar{padding:9px 22px 0}main{padding:19px 22px 50px}.hero{grid-template-columns:minmax(0,1.3fr) minmax(215px,1fr);padding:30px;gap:12px;min-height:310px}.hero h1{font-size:38px;letter-spacing:-1.4px}.hero p{font-size:15px}.art-stack{width:205px}.art-card{width:186px;padding:12px;gap:10px}.art-card b{font-size:12px}.art-symbol{height:31px;width:31px}.art-card small{font-size:7px}.hero-actions button{font-size:11px;padding:11px 16px}.hero-caption{font-size:9px}.session-summary{grid-template-columns:1fr 1fr;gap:22px 8px;padding:22px 5px}.session-summary>div{padding:0 5px}.session-summary>div:nth-child(2){border:0}.session-summary>div:nth-child(3){border-right:1px solid var(--line)}.session-material p span{display:none}.grid{gap:17px}.card{padding:22px}.topic-card h3{font-size:20px}.card .summary{font-size:13px}.toolbar h2{font-size:25px}.toolbar{margin-top:30px}.detail-layout{grid-template-columns:1fr}.stats{grid-template-columns:repeat(2,1fr)}.search-row{grid-template-columns:1fr 1fr}.search-row input{grid-column:1/-1}.form-grid,.split{grid-template-columns:1fr}.session-chooser{grid-template-columns:1fr}.principle-map{grid-template-columns:1fr 115px 1fr;gap:10px}.map-center{width:105px;height:105px;font-size:10px}.principle-map button{font-size:11px;padding:12px;min-height:100px}.next-section{padding:26px}.next-section h2{font-size:28px}.session-chooser .badge{font-size:9px}.topic-detail h1{font-size:36px}.flashcard h2{font-size:28px}}
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@media(hover:hover){.topic-card{transition:box-shadow .2s ease}.topic-card:hover{box-shadow:0 8px 30px #1d1d1f08}.dark .topic-card:hover{box-shadow:none}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
@media print{header,.session-navigation,.tablet-session-bar,aside,.drawer-backdrop,.session-breadcrumb,.hero-art,.hero-actions,.session-summary,.session-material,.all-sessions{display:none!important}.layout{display:block}.hero{display:block;background:white;padding:15px 0;min-height:0;box-shadow:none;border-radius:0}.hero h1{font-size:30px;max-width:none}.hero p{font-size:13px}.topic-grid{grid-template-columns:1fr 1fr;gap:12px}.topic-card{padding:16px;border:1px solid #ddd;box-shadow:none;border-radius:10px}.topic-card .card-head{display:none}.topic-card h3{font-size:17px}.topic-card .summary{font-size:11px}.topic-card .diagram{min-height:0}.diagram svg{max-height:210px}.memory-anchor{font-size:11px}.topic-card details{display:none}.next-section{display:none}.session-material{display:none}.source-coverage{display:none}.hero-caption{display:none}}
@media(max-width:1250px){body.drawer-open aside .eyebrow,body.drawer-open aside h2,body.drawer-open aside .group-label,body.drawer-open aside .progress-box{display:block}body.drawer-open aside .topic-link{display:flex}body.drawer-open aside button{width:100%;white-space:normal;min-height:46px}body.drawer-open aside .drawer-close{width:44px}.topic-card .summary{font-size:14px}.topic-card .memory-anchor{font-size:13px}.topic-card details{font-size:13px}body.drawer-open aside .group-label{margin-top:24px}body.drawer-open aside h2{margin:8px 11px 21px}}
@media(pointer:coarse){.diagram svg text{font-size:13px}.diagram .small{min-height:44px}.flashcard small{font-size:12px}.matrix td button{min-height:46px}}
.session-navigation{position:sticky;top:0;z-index:35;background:color-mix(in srgb,var(--panel) 94%,transparent);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px)}
@media(max-width:1250px){.tablet-session-bar{position:sticky;top:74px;z-index:34;background:color-mix(in srgb,var(--bg) 94%,transparent);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);padding-bottom:6px}}
@media(max-width:600px){.tablet-session-bar{top:67px}}
@media print{.session-navigation,.tablet-session-bar{display:none!important}}