:root{
  --nav:#48567d;--nav-deep:#354364;--blue:#2f67e8;--gold:#ffb51b;--green:#198754;
  --paper:#f4f1e9;--sheet:#fffefb;--ink:#171b24;--muted:#667080;--line:#ddd9cf;
  --soft:#edf3ff;--serif:"Iowan Old Style","Palatino Linotype","Book Antiqua",Georgia,serif;
  --sans:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;--nav-h:68px
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}button,input,select{font:inherit}button{color:inherit}
body[data-theme="dark"]{--paper:#0f1420;--sheet:#161d2a;--ink:#f3f5fa;--muted:#a9b1bf;--line:#2c3648;--soft:#172640;color-scheme:dark}
.kh-skip{position:fixed;left:12px;top:-60px;z-index:3000;background:#fff;color:#111;padding:10px 14px;border-radius:8px;font-weight:800}.kh-skip:focus{top:8px}
.kh-top{position:sticky;top:0;z-index:1000;height:var(--nav-h);background:linear-gradient(90deg,var(--nav-deep),var(--nav));color:#fff;box-shadow:0 8px 28px rgba(25,35,65,.18)}
.kh-nav{width:min(1180px,calc(100% - 36px));height:100%;margin:auto;display:flex;align-items:center;gap:22px}
.kh-brand{display:flex;align-items:center;gap:10px;flex:none}.kh-brand-ic{width:31px;height:31px;border-radius:9px;display:grid;place-items:center;background:linear-gradient(145deg,#4c83ff,#2058dd);box-shadow:inset 0 1px rgba(255,255,255,.35),0 5px 14px rgba(12,39,112,.35)}
.kh-brand strong{font-size:18px;letter-spacing:-.45px;font-weight:850}.kh-brand strong span{color:var(--gold)}.kh-brand small{margin-left:5px;color:#d8ddec;font-size:9px;font-weight:800;letter-spacing:.8px;text-transform:uppercase}
.kh-links{display:flex;align-items:center;gap:4px;margin-left:auto}.kh-links a{padding:9px 11px;border-radius:9px;color:#eef1fa;font-size:13px;font-weight:720;white-space:nowrap}.kh-links a:hover,.kh-links a[aria-current="page"]{background:rgba(255,255,255,.12);color:#fff}.kh-links .mock{margin-left:5px;background:var(--gold);color:#312200;padding-inline:15px}.kh-links .mock:hover{background:#ffc642;color:#251a00}
.kh-theme,.kh-menu{width:38px;height:38px;border:1px solid rgba(255,255,255,.22);border-radius:10px;background:rgba(255,255,255,.07);color:#fff;display:grid;place-items:center;cursor:pointer}.kh-menu{display:none;margin-left:auto;font-size:20px}
.kh-progress{position:fixed;z-index:1400;inset:0 0 auto;height:3px;pointer-events:none}.kh-progress i{display:block;width:0;height:100%;background:linear-gradient(90deg,#56a5ff,var(--gold));box-shadow:0 0 9px rgba(255,181,27,.5)}
.kh-wrap{width:min(1180px,calc(100% - 36px));margin:auto}

/* Hub home */
.hub-hero{position:relative;overflow:hidden;padding:70px 0 58px;background:radial-gradient(680px 420px at 80% 18%,rgba(47,103,232,.18),transparent 70%),linear-gradient(180deg,var(--sheet),var(--paper));border-bottom:1px solid var(--line)}
.hub-hero::after{content:"";position:absolute;right:-100px;bottom:-170px;width:470px;height:470px;border:1px solid rgba(47,103,232,.14);border-radius:50%;box-shadow:0 0 0 42px rgba(47,103,232,.035),0 0 0 90px rgba(47,103,232,.025)}
.hub-hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1.25fr) minmax(300px,.75fr);align-items:center;gap:66px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:10.5px;font-weight:850;letter-spacing:2.3px;text-transform:uppercase}.eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 4px rgba(47,103,232,.1)}
.hub-hero h1{max-width:13ch;margin:15px 0 0;font:760 clamp(44px,6vw,72px)/.98 var(--serif);letter-spacing:-.055em;text-wrap:balance}.hub-hero h1 em{color:var(--blue);font-style:normal}
.hub-hero .deck{max-width:61ch;margin:20px 0 0;color:var(--muted);font:18px/1.7 var(--serif)}
.hero-stats{display:flex;gap:8px;flex-wrap:wrap;margin-top:25px}.hero-stats span{padding:8px 13px;border:1px solid var(--line);border-radius:999px;background:color-mix(in srgb,var(--sheet) 75%,transparent);color:var(--muted);font-size:11.5px;font-weight:700}.hero-stats b{color:var(--ink);font-size:14px}
.shelf{height:355px;display:flex;align-items:flex-end;justify-content:center;gap:10px;perspective:900px}.book{position:relative;width:82px;border-radius:5px 12px 12px 5px;color:#fff;box-shadow:-8px 12px 25px rgba(30,38,58,.2),inset 5px 0 rgba(255,255,255,.12);transform-origin:bottom;display:flex;align-items:center;justify-content:center;writing-mode:vertical-rl;text-orientation:mixed;font-weight:850;letter-spacing:.8px}.book::after{content:attr(data-pages);position:absolute;bottom:14px;font-size:9px;letter-spacing:1px;color:rgba(255,255,255,.8)}.book.teach{height:325px;background:linear-gradient(135deg,#234b3d,#17362d);transform:rotate(-2deg)}.book.ssc{height:286px;background:linear-gradient(135deg,#334c85,#20325d);transform:rotate(1.5deg)}.book.upsc{height:245px;background:linear-gradient(135deg,#7b2940,#541b2c);transform:rotate(-1deg)}
.hub-search-zone{position:sticky;top:var(--nav-h);z-index:80;padding:14px 0;background:color-mix(in srgb,var(--paper) 91%,transparent);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.hub-search-zone .search-shell{position:relative;width:min(680px,calc(100% - 36px))}.hub-search{display:flex;align-items:center;gap:12px;width:100%;min-height:58px;margin:auto;padding:14px 17px;border:1px solid color-mix(in srgb,var(--line) 72%,transparent);border-radius:16px;background:var(--sheet);box-shadow:0 16px 44px rgba(31,39,60,.14)}.hub-search:focus-within{border-color:color-mix(in srgb,var(--blue) 65%,var(--line));box-shadow:0 0 0 4px rgba(47,103,232,.1),0 18px 48px rgba(31,39,60,.16)}.hub-search span{font-size:17px;filter:saturate(.75)}.hub-search input{width:100%;border:0;outline:0;background:transparent;color:var(--ink);font-size:15px;font-weight:520}.hub-search input::placeholder{color:color-mix(in srgb,var(--muted) 82%,transparent)}.hub-search kbd{padding:3px 7px;border:1px solid var(--line);border-radius:6px;color:var(--muted);font-size:10px;background:var(--paper)}
.search-live{position:absolute;z-index:120;top:calc(100% + 10px);left:0;right:0;max-height:min(65vh,540px);overflow:auto;padding:8px;border:1px solid var(--line);border-radius:16px;background:color-mix(in srgb,var(--sheet) 96%,transparent);box-shadow:0 28px 75px rgba(25,33,52,.22);backdrop-filter:blur(18px)}.search-live[hidden]{display:none}.search-live-head{display:flex;align-items:center;justify-content:space-between;padding:8px 10px 10px;color:var(--muted);font-size:9px;font-weight:850;letter-spacing:1.25px;text-transform:uppercase}.search-live-head b{color:var(--blue);font-size:9px}.search-hit{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:11px;padding:11px;border-radius:11px}.search-hit:hover,.search-hit:focus{outline:0;background:var(--soft)}.search-hit-badge{min-width:48px;padding:6px 7px;border-radius:8px;background:var(--soft);color:var(--blue);font-size:8px;font-weight:850;text-align:center;letter-spacing:.65px}.search-hit b{display:block;font:710 13.5px/1.3 var(--serif)}.search-hit small{display:block;margin-top:3px;color:var(--muted);font-size:9.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.search-hit i{color:var(--blue);font-style:normal;font-size:17px}.search-live-more{margin:5px 7px 2px;padding:9px;border-top:1px solid var(--line);color:var(--muted);font-size:9.5px;text-align:center}.search-live-empty{display:grid;gap:4px;padding:25px;text-align:center}.search-live-empty b{font:720 15px var(--serif)}.search-live-empty span{color:var(--muted);font-size:10.5px}
.hub-main{padding:52px 0 82px}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:20px}.section-head .label{color:var(--blue);font-size:10px;font-weight:850;letter-spacing:2.1px;text-transform:uppercase}.section-head h2{margin:6px 0 0;font:760 clamp(28px,4vw,40px)/1.06 var(--serif);letter-spacing:-.035em}.section-head p{max-width:52ch;margin:0;color:var(--muted);font:15px/1.65 var(--serif)}
.exam-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.exam-card{position:relative;display:flex;flex-direction:column;min-height:320px;padding:25px;border:1px solid var(--line);border-radius:18px;background:var(--sheet);box-shadow:0 18px 48px rgba(31,39,60,.06);overflow:hidden;transition:.22s}.exam-card:hover{transform:translateY(-5px);box-shadow:0 28px 60px rgba(31,39,60,.11)}.exam-card::before{content:"";position:absolute;inset:0 auto 0 0;width:5px;background:var(--exam)}.exam-card .topline{display:flex;justify-content:space-between;gap:12px;align-items:center}.exam-icon{width:45px;height:45px;display:grid;place-items:center;border-radius:13px;background:color-mix(in srgb,var(--exam) 10%,var(--sheet));font-size:23px}.live-pill{padding:5px 9px;border-radius:999px;background:#e7f5ec;color:#0e713b;font-size:9px;font-weight:850;letter-spacing:1px;text-transform:uppercase}.exam-card h3{margin:23px 0 0;font:760 27px/1.08 var(--serif);letter-spacing:-.03em}.exam-card .count{margin-top:5px;color:var(--exam);font-size:12px;font-weight:850}.exam-card p{margin:14px 0;color:var(--muted);font:15px/1.65 var(--serif)}.subject-pills{display:flex;gap:6px;flex-wrap:wrap;margin:1px 0 21px}.subject-pills span{padding:5px 8px;border:1px solid var(--line);border-radius:999px;color:var(--muted);font-size:9.5px;font-weight:750}.exam-open{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:17px;border-top:1px solid var(--line);color:var(--exam);font-size:12.5px;font-weight:850}.exam-open i{font-style:normal;font-size:19px;transition:.18s}.exam-card:hover .exam-open i{transform:translateX(4px)}
.notes-section{margin-top:58px}.notes-bar{display:flex;align-items:center;gap:12px;margin-bottom:15px}.notes-bar h2{margin:0;font:760 27px/1.1 var(--serif)}.notes-bar .result-count{margin-left:auto;color:var(--muted);font-size:11.5px;font-weight:700}
.note-results{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:17px}.note-thumb{--thumb-accent:#2f67e8;--thumb-ink:#173569;display:grid;align-content:start;min-width:0;transition:transform .2s}.note-thumb.exam-teaching{--thumb-accent:#237257;--thumb-ink:#174c3b}.note-thumb.exam-ssc-cgl{--thumb-accent:#315cbb;--thumb-ink:#203f83}.note-thumb.exam-upsc{--thumb-accent:#9b3b54;--thumb-ink:#70243a}.thumb-paper{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:238px;padding:48px 27px 42px;border:1px solid #d9cfbb;border-radius:13px;background:linear-gradient(90deg,transparent 0 37px,rgba(202,82,82,.18) 37px 39px,transparent 39px),repeating-linear-gradient(180deg,#fffdf5 0 31px,rgba(79,122,180,.14) 31px 32px);color:var(--thumb-ink);box-shadow:0 18px 42px rgba(42,47,57,.11),inset 0 1px rgba(255,255,255,.8);overflow:hidden;isolation:isolate;transition:.2s}.thumb-paper::before{content:"";position:absolute;z-index:-1;width:92px;height:24px;top:-7px;left:50%;transform:translateX(-50%) rotate(-1.5deg);background:rgba(239,218,155,.52);box-shadow:0 1px 2px rgba(93,78,44,.12)}.thumb-label{position:absolute;top:15px;left:20px;right:20px;color:var(--thumb-accent);font-size:8.5px;font-weight:900;letter-spacing:1.15px;text-transform:uppercase;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.thumb-paper b{display:block;max-width:100%;font:600 clamp(25px,2vw,32px)/1.07 Caveat,"Segoe Print","Bradley Hand",cursive;text-align:center;text-wrap:balance;overflow-wrap:anywhere}.thumb-open{position:absolute;left:20px;right:20px;bottom:14px;display:flex;align-items:center;justify-content:space-between;color:#786f5f;font-size:8.5px;font-weight:850;letter-spacing:.8px;text-transform:uppercase}.thumb-open i{color:var(--thumb-accent);font-style:normal;font-size:17px;line-height:1}.thumb-caption{display:block;min-height:34px;padding:8px 5px 0;color:var(--muted);font-size:9.5px;font-weight:720;line-height:1.35}.note-thumb:hover{transform:translateY(-5px)}.note-thumb:hover .thumb-paper{border-color:color-mix(in srgb,var(--thumb-accent) 48%,#d9cfbb);box-shadow:0 26px 55px rgba(42,47,57,.16),inset 0 1px rgba(255,255,255,.8)}.note-thumb:focus-visible{outline:0}.note-thumb:focus-visible .thumb-paper{outline:3px solid color-mix(in srgb,var(--thumb-accent) 35%,transparent);outline-offset:3px}.empty-results{grid-column:1/-1;padding:42px;border:1px dashed var(--line);border-radius:14px;text-align:center;color:var(--muted)}
.note-results.foldered{display:block}.folder-index{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px;margin-bottom:28px}.folder-index a{display:grid;gap:4px;padding:13px 14px;border:1px solid var(--line);border-radius:12px;background:var(--sheet);transition:.18s}.folder-index a:hover{border-color:color-mix(in srgb,var(--blue) 50%,var(--line));transform:translateY(-2px)}.folder-index b{font:720 13px/1.3 var(--serif)}.folder-index small{color:var(--muted);font-size:9.5px;font-weight:700}.folder-group{scroll-margin-top:calc(var(--nav-h) + 64px);padding:24px;border:1px solid var(--line);border-radius:18px;background:color-mix(in srgb,var(--sheet) 82%,var(--paper));box-shadow:0 18px 48px rgba(31,39,60,.05)}.folder-group+.folder-group{margin-top:22px}.folder-head{display:flex;align-items:center;gap:13px;margin-bottom:17px;padding-bottom:15px;border-bottom:1px solid var(--line)}.folder-number{display:grid;place-items:center;flex:0 0 42px;height:42px;border-radius:12px;background:var(--nav-deep);color:#fff;font-size:11px;font-weight:850;letter-spacing:1px}.folder-head h3{margin:0;font:760 22px/1.15 var(--serif);letter-spacing:-.02em}.folder-head p{margin:4px 0 0;color:var(--muted);font-size:10.5px}.folder-note-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:17px}.folder-subgroup+.folder-subgroup{margin-top:28px;padding-top:23px;border-top:1px dashed var(--line)}.folder-subhead{display:flex;align-items:baseline;justify-content:space-between;gap:14px;margin:0 2px 13px}.folder-subhead h4{margin:0;font:730 16px/1.3 var(--serif)}.folder-subhead span{color:var(--muted);font-size:9.5px;font-weight:750;white-space:nowrap}
.coming{margin-top:52px;padding:23px 25px;border:1px dashed var(--line);border-radius:16px;background:color-mix(in srgb,var(--sheet) 65%,transparent)}.coming b{font:730 18px var(--serif)}.coming span{color:var(--muted);font-size:13px}.coming-list{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.coming-list i{font-style:normal;padding:7px 11px;border:1px solid var(--line);border-radius:999px;color:var(--muted);font-size:10.5px;font-weight:750}

/* Reader */
.reader-shell{min-height:100vh;--reader-font-scale:1}.reader-shell[data-reader-mode="dark"]{--paper:#0d1119;--sheet:#151b25;--ink:#f2f3f6;--muted:#a8b0bd;--line:#2c3440;--soft:#202c3d;--blue:#7da6ff;color-scheme:dark}.reader-shell[data-reader-mode="paper"]{--paper:#e6ddc8;--sheet:#fbf4e3;--ink:#30291f;--muted:#726858;--line:#d7c9aa;--soft:#efe3c7;--blue:#8d5d29}.reader-shell[data-reader-mode="focus"]{--paper:#f5f6f8;--sheet:#fff;--ink:#1c2027;--muted:#6e7580;--line:#e1e4e8;--soft:#f0f2f5;--blue:#375fae}
.reader-shell[data-reader-mode="paper"] .kh-top{background:linear-gradient(90deg,#534536,#71604d)}
.reader-subbar{position:sticky;top:var(--nav-h);z-index:90;background:color-mix(in srgb,var(--sheet) 92%,transparent);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.reader-subin{width:min(1380px,calc(100% - 34px));height:46px;margin:auto;display:flex;align-items:center;gap:10px;color:var(--muted);font-size:10.5px;font-weight:750}.reader-subin a{color:var(--blue)}.reader-subin .sep{opacity:.45}.reader-subin .status{margin-left:auto;white-space:nowrap}
.reader-grid{width:min(1540px,calc(100% - 34px));margin:28px auto 70px;display:grid;grid-template-columns:255px minmax(0,1000px) 205px;justify-content:center;align-items:start;gap:28px}
.lesson-rail,.toc-rail{position:sticky;top:calc(var(--nav-h) + 64px);max-height:calc(100vh - var(--nav-h) - 84px);overflow:auto}.lesson-rail{padding:14px;border:1px solid var(--line);border-radius:15px;background:var(--sheet);box-shadow:0 16px 45px rgba(31,39,60,.05)}.rail-label,.toc-label{display:block;margin:2px 5px 10px;color:#929aa9;font-size:9px;font-weight:850;letter-spacing:1.7px;text-transform:uppercase}.rail-exam{display:flex;align-items:center;gap:10px;padding:10px;border-radius:10px;background:var(--soft);margin-bottom:12px}.rail-exam i{font-style:normal;font-size:18px}.rail-exam b{display:block;font-size:12.5px}.rail-exam small{display:block;color:var(--muted);font-size:9.5px;margin-top:2px}.rail-subject{margin:14px 5px 7px;color:var(--muted);font:720 12px/1.35 var(--serif)}.rail-lessons{display:grid;gap:2px}.rail-lessons a{display:grid;grid-template-columns:23px 1fr;gap:7px;padding:8px;border-radius:9px;color:var(--muted);font-size:10.5px;font-weight:680;line-height:1.35}.rail-lessons a span{color:#a4abba;font-size:9px}.rail-lessons a:hover{background:var(--soft);color:var(--ink)}.rail-lessons a.on{background:var(--nav-deep);color:#fff}.rail-lessons a.on span{color:#b9c6e9}.rail-all{display:block;margin-top:12px;padding:10px;border-top:1px solid var(--line);color:var(--blue);font-size:10.5px;font-weight:800;text-align:center}
.reader-paper{position:relative;min-width:0;padding:34px 52px 42px;border:1px solid var(--line);border-radius:18px;background:var(--sheet);box-shadow:0 28px 80px rgba(31,39,60,.08);transition:border-color .18s,box-shadow .18s}.reader-bookbar{display:flex;align-items:center;justify-content:space-between;gap:18px}.reader-kicker{color:var(--blue);font-size:10px;font-weight:850;letter-spacing:2.2px;text-transform:uppercase}.reader-actions{display:flex;align-items:center;gap:8px}.appearance-button,.focus-button{display:inline-flex;align-items:center;gap:7px;min-height:37px;padding:7px 11px;border:1px solid var(--line);border-radius:999px;background:var(--paper);color:var(--muted);font-size:10px;font-weight:800;cursor:pointer}.appearance-button:hover,.focus-button:hover{border-color:var(--blue);color:var(--ink)}.appearance-button .aa{color:var(--ink);font:750 16px/1 var(--serif)}.appearance-button i{font-style:normal;transition:.18s}.appearance-button[aria-expanded="true"] i{transform:rotate(180deg)}.focus-button span{color:var(--blue)}.reader-aa{font:750 14px var(--serif)}
.appearance-panel{display:none;margin:17px 0 23px;padding:17px;border:1px solid var(--line);border-radius:16px;background:color-mix(in srgb,var(--paper) 68%,var(--sheet));box-shadow:0 18px 40px rgba(30,37,48,.08)}.appearance-panel.open{display:block;animation:readerPanel .18s ease-out}.appearance-title{display:flex;align-items:flex-start;justify-content:space-between;gap:15px}.appearance-title span{display:grid}.appearance-title b{font:750 14px var(--serif)}.appearance-title small{margin-top:3px;color:var(--muted);font-size:9.5px}.appearance-title button{width:28px;height:28px;border:0;border-radius:50%;background:var(--sheet);color:var(--muted);cursor:pointer;font-size:18px}.mode-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:7px;margin-top:14px}.mode-choice{min-width:0;display:flex;align-items:center;gap:8px;padding:9px 8px;border:1px solid var(--line);border-radius:12px;background:var(--sheet);text-align:left;cursor:pointer}.mode-choice:hover{border-color:color-mix(in srgb,var(--blue) 55%,var(--line))}.mode-choice.on{border-color:var(--blue);box-shadow:0 0 0 2px color-mix(in srgb,var(--blue) 13%,transparent)}.mode-choice span{min-width:0;display:grid}.mode-choice b{font-size:10.5px}.mode-choice small{margin-top:2px;color:var(--muted);font-size:7.8px;line-height:1.2}.mode-swatch{position:relative;flex:0 0 auto;width:25px;height:25px;border:1px solid rgba(0,0,0,.16);border-radius:50%;box-shadow:inset 0 1px rgba(255,255,255,.45)}.mode-swatch.light{background:#fff}.mode-swatch.dark{background:#151b25}.mode-swatch.paper{background:#f2e6c8}.mode-swatch.focus{background:linear-gradient(90deg,#e9ecf1 0 27%,#fff 27% 73%,#e9ecf1 73%)}.mode-choice.on .mode-swatch::after{content:"✓";position:absolute;inset:0;display:grid;place-items:center;color:#fff;font-size:10px;font-style:normal;text-shadow:0 1px 3px #000}.mode-choice[data-reader-mode="light"].on .mode-swatch::after,.mode-choice[data-reader-mode="paper"].on .mode-swatch::after{color:#24302a;text-shadow:none}.type-controls{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-top:12px;padding-top:12px;border-top:1px solid var(--line)}.type-controls>span{display:flex;align-items:center;gap:7px}.type-controls b{font-size:10px}.type-controls small{color:var(--blue);font-size:9px;font-weight:800}.type-controls div{display:flex;padding:3px;border:1px solid var(--line);border-radius:10px;background:var(--sheet)}.type-controls button{min-width:42px;height:29px;border:0;border-radius:7px;background:transparent;color:var(--muted);font-size:10px;font-weight:800;cursor:pointer}.type-controls button:hover{background:var(--soft);color:var(--ink)}.reader-paper h1{max-width:19ch;margin:13px 0 0;font:770 clamp(35px,4.5vw,52px)/1.02 var(--serif);letter-spacing:-.048em;text-wrap:balance}.reader-deck{max-width:65ch;margin:13px 0 0;color:var(--muted);font:16.5px/1.65 var(--serif)}.reader-meta{display:flex;align-items:center;gap:8px 15px;flex-wrap:wrap;margin:19px 0 0;padding:12px 0;border-block:1px solid var(--line);color:var(--muted);font-size:10.5px;font-weight:750}.reader-meta span+span::before{content:"";display:inline-block;width:3px;height:3px;margin-right:12px;border-radius:50%;background:#a2a9b7;vertical-align:middle}
.mobile-reader-nav{display:none}.note-frame{display:block;width:100%;min-height:420px;margin-top:28px;border:0;background:transparent}.reader-loading{padding:50px 0;text-align:center;color:var(--muted);font:15px var(--serif)}.reader-error{padding:36px;border:1px solid #e7b8b8;border-radius:13px;background:#fff1f1;color:#7f2525;text-align:center}
.lesson-nav{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:32px;padding-top:22px;border-top:1px solid var(--line)}.lesson-nav a{min-height:78px;padding:13px 15px;border:1px solid var(--line);border-radius:11px;background:var(--paper)}.lesson-nav a.next{text-align:right;background:var(--nav-deep);border-color:var(--nav-deep);color:#fff}.lesson-nav small{display:block;margin-bottom:5px;color:#9199a7;font-size:8.5px;font-weight:850;letter-spacing:1.2px;text-transform:uppercase}.lesson-nav .next small{color:#bec9e5}.lesson-nav b{display:block;font:720 13.5px/1.3 var(--serif)}.lesson-nav a.off{visibility:hidden}
.toc-rail{padding:7px 0 12px 15px;border-left:1px solid var(--line)}.toc-links{display:grid}.toc-links a{padding:7px 9px;border-left:2px solid transparent;color:var(--muted);font-size:11px;font-weight:680;line-height:1.35}.toc-links a:hover{color:var(--ink)}.toc-links a.on{border-left-color:var(--blue);color:var(--blue);background:linear-gradient(90deg,rgba(47,103,232,.08),transparent)}.toc-read{margin:17px 9px 0;color:var(--muted);font-size:9.5px;font-weight:700}.toc-read b{color:var(--blue)}
.reader-foot{padding:26px;border-top:1px solid var(--line);color:var(--muted);font-size:11px;text-align:center;background:var(--sheet)}
.focus-exit{display:none;position:fixed;z-index:1600;top:18px;right:20px;align-items:center;gap:8px;padding:10px 14px;border:1px solid #dfe3e9;border-radius:999px;background:rgba(255,255,255,.92);color:#303845;box-shadow:0 12px 34px rgba(25,35,55,.14);backdrop-filter:blur(12px);font-size:11px;font-weight:800;cursor:pointer}.focus-exit span{color:var(--blue)}
.reader-shell[data-reader-mode="focus"] .kh-top,.reader-shell[data-reader-mode="focus"] .reader-subbar,.reader-shell[data-reader-mode="focus"] .lesson-rail,.reader-shell[data-reader-mode="focus"] .toc-rail,.reader-shell[data-reader-mode="focus"] .reader-foot{display:none!important}.reader-shell[data-reader-mode="focus"] .reader-grid{grid-template-columns:minmax(0,1000px);width:min(1040px,calc(100% - 30px));margin-top:0}.reader-shell[data-reader-mode="focus"] .reader-paper{min-height:100vh;padding-top:72px;border:0;border-radius:0;box-shadow:none}.reader-shell[data-reader-mode="focus"] .reader-actions,.reader-shell[data-reader-mode="focus"] .appearance-panel,.reader-shell[data-reader-mode="focus"] .mobile-reader-nav{display:none!important}.reader-shell[data-reader-mode="focus"] .reader-bookbar{justify-content:flex-start}.reader-shell[data-reader-mode="focus"] .focus-exit{display:flex}.reader-shell[data-reader-mode="focus"] .reader-paper h1{max-width:16ch}.reader-shell[data-reader-mode="focus"] .kh-progress{top:0}
@keyframes readerPanel{from{opacity:0;transform:translateY(-5px)}to{opacity:1;transform:none}}
.site-foot{padding:38px 0 25px;background:#151d2d;color:#b3bdcd}.site-foot .inner{width:min(1180px,calc(100% - 36px));margin:auto}.site-foot strong{font:760 22px var(--serif);color:#fff}.site-foot strong span{color:var(--gold)}.site-foot p{max-width:54ch;margin:8px 0 0;font-size:12px;line-height:1.6}.foot-links{display:flex;gap:18px;flex-wrap:wrap;margin-top:18px;font-size:11.5px;font-weight:700}.foot-links a:hover{color:#fff}.copyright{margin-top:22px;padding-top:15px;border-top:1px solid #2c374b;font-size:10.5px;color:#8792a5}

@media(max-width:1220px){.reader-grid{grid-template-columns:245px minmax(0,820px)}.toc-rail{display:none}.reader-paper{padding-inline:48px}}
@media(max-width:960px){.hub-hero-grid{grid-template-columns:1fr}.shelf{display:none}.exam-grid{grid-template-columns:1fr 1fr}.reader-grid{grid-template-columns:minmax(0,820px);width:min(850px,calc(100% - 24px));margin-top:16px}.lesson-rail{display:none}.mobile-reader-nav{position:sticky;top:calc(var(--nav-h) + 46px);z-index:70;display:grid;grid-template-columns:1fr 1fr;gap:7px;margin:18px -10px 24px;padding:9px 10px;border-block:1px solid var(--line);background:color-mix(in srgb,var(--sheet) 94%,transparent);backdrop-filter:blur(12px)}.mobile-reader-nav select{min-width:0;width:100%;padding:9px;border:1px solid var(--line);border-radius:9px;background:var(--paper);color:var(--ink);font-size:10.5px;font-weight:700}}
@media(max-width:760px){body.reading-room-home .room-reference-art{display:none}body.reading-room-home .reading-room-stage{min-height:44px}body.reading-room-home .hub-hero-grid{grid-template-areas:"title title" "atlas lamp" "quote quote"}}
@media(max-width:760px){:root{--nav-h:64px}.kh-nav{width:calc(100% - 24px);gap:9px}.kh-brand small{display:none}.kh-brand strong{font-size:16px}.kh-menu{display:grid}.kh-links{position:absolute;display:none;top:calc(100% + 8px);left:12px;right:12px;padding:8px;border-radius:14px;background:var(--nav-deep);box-shadow:0 18px 45px rgba(18,27,52,.3)}.kh-top.open .kh-links{display:grid;grid-template-columns:1fr 1fr}.kh-links a{padding:12px}.kh-links .mock{margin:0;text-align:center}.hub-hero{padding:48px 0 42px}.hub-hero h1{font-size:clamp(39px,13vw,56px)}.hub-hero .deck{font-size:16.5px}.section-head{display:block}.section-head p{margin-top:10px}.exam-grid{grid-template-columns:1fr}.exam-card{min-height:285px}.note-results{grid-template-columns:1fr}.reader-paper{padding:25px 22px 35px}.reader-bookbar{align-items:flex-start}.reader-actions{gap:5px}.appearance-button,.focus-button{min-height:34px;padding:6px 9px}.appearance-button>span:not(.aa){display:none}.appearance-panel{margin:13px -7px 21px;padding:14px 11px}.mode-grid{grid-template-columns:repeat(2,minmax(0,1fr));overflow:visible;padding:2px 1px 7px}.mode-choice{min-height:49px}.type-controls{position:sticky;left:0}.reader-paper h1{max-width:none;font-size:clamp(33px,10.5vw,45px)}.reader-deck{font-size:15.5px}.reader-meta span+span::before{display:none}.lesson-nav{grid-template-columns:1fr}.lesson-nav a.next{text-align:left}.reader-subin{width:calc(100% - 24px)}.reader-shell[data-reader-mode="focus"] .reader-paper{padding:66px 23px 38px}.focus-exit{top:12px;right:12px}}
@media(max-width:430px){.kh-top.open .kh-links{grid-template-columns:1fr}.kh-wrap{width:calc(100% - 28px)}.hub-search-zone .kh-wrap{width:calc(100% - 20px)}.hub-hero h1{letter-spacing:-.045em}.reader-grid{width:100%;margin-top:0}.reader-paper{border-inline:0;border-radius:0;box-shadow:none}.reader-subin .status{display:none}.mobile-reader-nav{margin-inline:-7px}.note-row{grid-template-columns:auto minmax(0,1fr)}.note-row .arrow{display:none}}
@media(max-width:960px){.folder-index,.folder-note-grid,.note-results{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px){.folder-index,.folder-note-grid,.note-results{grid-template-columns:1fr}.folder-group{padding:17px 14px;border-radius:15px}.folder-head{align-items:flex-start}.folder-head h3{font-size:19px}.folder-subhead{align-items:flex-start}.folder-subhead span{padding-top:3px}.thumb-paper{min-height:220px}.thumb-paper b{font-size:30px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important}}

/* Let the original PHP note use nearly the full phone width. */
@media(max-width:430px){
  .note-frame{width:calc(100% + 36px);max-width:none;margin-left:-18px}
}

/* 2026-08-26 target redesign */
:root{--paper:#f7f4ed;--sheet:#fffefa;--ink:#111620;--muted:#667186;--line:#e1ddd4;--soft:#edf3ff;--blue:#2f67df;--nav:#17233a;--nav-deep:#0b1527;--serif:Fraunces,"Iowan Old Style",Georgia,serif}
body{background:linear-gradient(180deg,#f8f9fc 0,#f7f4ed 34%,#f7f4ed 100%)}
body[data-theme="dark"]{--paper:#101722;--sheet:#17202c;--ink:#f4f6fa;--muted:#aeb7c6;--line:#303a48;--soft:#1b2b43;background:#101722}
.hub-hero{padding:56px 0 0;border-bottom:0;background:radial-gradient(600px 430px at 79% 24%,rgba(61,117,231,.17),transparent 70%),radial-gradient(520px 300px at 15% 100%,rgba(255,255,255,.96),transparent 72%),linear-gradient(145deg,#f8faff 0%,#eef4ff 53%,#fffdf7 100%)}
body[data-theme="dark"] .hub-hero{background:radial-gradient(620px 430px at 79% 24%,rgba(70,127,240,.2),transparent 70%),linear-gradient(145deg,#131d2d,#121923 60%,#171b22)}
.hub-hero::after{right:-150px;bottom:-200px;width:580px;height:580px;box-shadow:0 0 0 55px rgba(47,103,232,.025),0 0 0 120px rgba(47,103,232,.018)}
.hub-hero-grid{grid-template-columns:minmax(0,1.25fr) minmax(330px,.75fr);gap:18px;align-items:center}.hero-copy{position:relative;z-index:2;padding-bottom:8px}
.eyebrow{display:inline-flex;align-items:center;gap:10px;min-height:42px;padding:10px 18px;border:1px solid rgba(47,103,223,.18);border-radius:999px;background:rgba(255,255,255,.38);color:var(--blue);font-size:11px;font-weight:850;letter-spacing:2.5px;text-transform:uppercase}.eyebrow span{font-size:16px;letter-spacing:0}
.hub-hero h1{max-width:12.5ch;margin:23px 0 0;font:700 clamp(48px,5.5vw,76px)/1.02 var(--serif);letter-spacing:-.052em}.hub-hero h1 em{color:var(--blue)}
.hub-hero .deck{max-width:58ch;margin:22px 0 0;color:#596579;font:17px/1.7 var(--serif)}body[data-theme="dark"] .hub-hero .deck{color:var(--muted)}
.hero-art{position:relative;z-index:1;align-self:stretch;display:flex;align-items:center;justify-content:flex-end;min-height:360px}.hero-art img{display:block;width:min(100%,540px);height:auto;filter:drop-shadow(0 18px 24px rgba(29,43,70,.1))}
.stat-band{position:relative;z-index:3;display:grid;grid-template-columns:repeat(4,1fr);margin-top:24px;transform:none;border:1px solid #e2dcd0;border-radius:17px;background:rgba(255,254,250,.94);box-shadow:0 20px 55px rgba(38,45,58,.12);backdrop-filter:blur(14px);overflow:hidden}.stat-item{position:relative;min-width:0;display:flex;align-items:center;justify-content:center;gap:13px;padding:20px 15px}.stat-item+.stat-item::before{content:"";position:absolute;left:0;top:20%;height:60%;border-left:1px solid #e3ded5}.stat-item>span:last-child{display:grid;min-width:0}.stat-item b{font-size:24px;line-height:1;font-weight:850;letter-spacing:-.6px;color:var(--ink)}.stat-item small{margin-top:6px;color:var(--muted);font-size:10.5px;font-weight:650;white-space:nowrap}.stat-icon{display:grid;place-items:center;flex:0 0 45px;width:45px;height:45px;border-radius:50%;font-size:20px}.stat-icon.exam{background:#e9f0ff;color:#245fda}.stat-icon.lessons{background:#ffeaed;color:#d13d5c}.stat-icon.folders{background:#e7f6eb;color:#21924b}.stat-icon.free{background:#fff2cf;color:#e89d00}
body[data-theme="dark"] .stat-band{border-color:var(--line);background:rgba(23,32,44,.94)}body[data-theme="dark"] .stat-item+.stat-item::before{border-color:var(--line)}
.hub-search-zone{top:var(--nav-h);padding:30px 0 20px;border:0;background:linear-gradient(180deg,color-mix(in srgb,var(--paper) 97%,transparent),color-mix(in srgb,var(--paper) 91%,transparent));backdrop-filter:blur(16px)}
.hub-search-zone .search-shell{position:relative;width:min(1180px,calc(100% - 36px));display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px}.hub-search{min-height:66px;padding:15px 20px;border-color:#e3ded6;border-radius:17px;box-shadow:0 15px 38px rgba(35,42,55,.09)}.hub-search>span{font:400 30px/1 var(--sans);transform:rotate(-18deg);color:#46546a}.hub-search input{font-size:15.5px}.hub-search kbd{margin-right:54px}
.exam-filter-button{position:absolute;z-index:4;top:10px;right:11px;display:grid;place-items:center;width:46px;height:46px;border:1px solid var(--line);border-radius:50%;background:var(--sheet);color:var(--muted);cursor:pointer}.exam-filter-button:hover,.exam-filter-button:focus-visible{outline:3px solid rgba(47,103,223,.14);border-color:var(--blue);color:var(--blue)}
.exam-filter-menu{position:absolute;z-index:140;top:calc(100% + 8px);right:0;min-width:210px;padding:7px;border:1px solid var(--line);border-radius:14px;background:var(--sheet);box-shadow:0 22px 55px rgba(30,37,50,.17)}.exam-filter-menu[hidden]{display:none}.exam-filter-menu button{display:block;width:100%;padding:11px 12px;border:0;border-radius:9px;background:transparent;text-align:left;color:var(--muted);font-size:12px;font-weight:750;cursor:pointer}.exam-filter-menu button:hover,.exam-filter-menu button.on{background:var(--soft);color:var(--blue)}
.search-live{top:calc(100% + 9px);right:57px}
.hub-main{padding:24px 0 82px}.section-head{align-items:end;margin:22px 0 24px}.section-head .label{letter-spacing:3px}.section-head h2{font-size:clamp(34px,4vw,46px)}.section-head p{font-family:var(--sans);font-size:14px;line-height:1.55}
.exam-grid{gap:20px}.exam-card{min-height:350px;padding:29px;border-radius:22px;box-shadow:0 16px 42px rgba(31,39,60,.065)}.exam-card::before{width:6px}.exam-card.is-selected{border-color:color-mix(in srgb,var(--exam) 55%,var(--line));box-shadow:0 0 0 3px color-mix(in srgb,var(--exam) 12%,transparent),0 24px 56px rgba(31,39,60,.1)}.exam-icon{width:52px;height:52px;border-radius:15px}.exam-card h3{margin-top:25px;font-size:30px}.exam-card .count{font-size:13px}.exam-card p{font-family:var(--sans);font-size:14px;line-height:1.55}.subject-pills span{padding:6px 10px;color:color-mix(in srgb,var(--exam) 85%,var(--muted));font-size:10px}.exam-open{font-size:13px}
.notes-section{margin-top:52px}.notes-section[hidden]{display:none!important}.trust-strip{display:grid;grid-template-columns:repeat(4,1fr);margin-top:38px;border:1px solid var(--line);border-radius:20px;background:var(--sheet);box-shadow:0 15px 38px rgba(35,42,55,.06);overflow:hidden}.trust-strip>div{position:relative;display:grid;place-items:center;padding:20px 12px;text-align:center}.trust-strip>div+div::before{content:"";position:absolute;left:0;top:17%;height:66%;border-left:1px solid var(--line)}.trust-strip span{color:var(--blue);font-size:27px;line-height:1}.trust-strip b{margin-top:8px;font-size:12px}.trust-strip small{margin-top:3px;color:var(--muted);font-size:9.5px}
@media(max-width:960px){.hub-hero-grid{grid-template-columns:minmax(0,1.25fr) minmax(250px,.75fr)}.hero-art{min-height:300px}.stat-item{gap:8px;padding-inline:9px}.stat-icon{width:40px;height:40px;flex-basis:40px}.exam-grid{grid-template-columns:1fr 1fr}.exam-card:last-child{grid-column:1/-1}}
@media(max-width:760px){
  .hub-hero{padding:20px 0 0}.hub-hero-grid{display:block;min-height:330px}.hero-copy{position:relative;z-index:2}.eyebrow{min-height:32px;padding:6px 12px;font-size:8.5px;letter-spacing:1.8px}.eyebrow span{font-size:13px}.hub-hero h1{position:relative;z-index:2;max-width:88%;margin-top:15px;font-size:clamp(38px,9.5vw,43px);line-height:1.03;text-wrap:wrap}.hub-hero .deck{position:relative;z-index:2;max-width:68%;margin-top:12px;font-size:14px;line-height:1.52}.hero-art{position:absolute;z-index:1;right:-38px;top:116px;width:57%;min-height:0;opacity:.97}.hero-art img{width:100%}
  .stat-band{grid-template-columns:repeat(4,1fr);margin-top:0;transform:none;border-radius:15px}.stat-item{min-height:68px;flex-direction:row;gap:6px;padding:8px 4px;text-align:left}.stat-item+.stat-item::before{top:18%;height:64%}.stat-icon{width:31px;height:31px;flex-basis:31px;font-size:13px}.stat-item b{font-size:18px}.stat-item small{margin-top:3px;font-size:7.5px;white-space:normal;line-height:1.15}
  .hub-search-zone{padding:18px 0 12px}.hub-search-zone .kh-wrap{width:calc(100% - 24px)}.hub-search{min-height:52px;padding:10px 13px}.hub-search>span{font-size:23px}.hub-search input{font-size:12.5px;padding-right:43px}.hub-search kbd{display:none}.exam-filter-button{top:4px;right:5px;width:44px;height:44px}.search-live{right:0}
  .hub-main{padding:12px 0 26px}.section-head{margin:14px 0 16px}.section-head .label{font-size:8px;letter-spacing:2.2px}.section-head h2{font-size:30px}.section-head p{margin-top:7px;font-size:12px}.exam-grid{display:flex;gap:12px;overflow-x:auto;padding:3px 1px 14px;scroll-padding-inline:1px;scroll-snap-type:x mandatory;overscroll-behavior-inline:contain;scrollbar-width:none}.exam-grid::-webkit-scrollbar{display:none}.exam-card,.exam-card:last-child{grid-column:auto;flex:0 0 100%;min-height:0;padding:18px 18px;border-radius:19px;scroll-snap-align:start}.exam-icon{width:39px;height:39px;border-radius:12px;font-size:18px}.live-pill{padding:4px 8px;font-size:8px}.exam-card h3{margin-top:15px;font-size:25px}.exam-card .count{font-size:11px}.exam-card p{margin:10px 0;font-size:12.5px;line-height:1.45}.subject-pills{margin-bottom:13px}.subject-pills span{padding:5px 8px;font-size:8.5px}.exam-open{padding-top:12px;font-size:11.5px}.notes-section{margin-top:30px}.trust-strip{grid-template-columns:repeat(4,1fr);margin-top:12px;border-radius:17px}.trust-strip>div{padding:12px 3px}.trust-strip span{font-size:21px}.trust-strip b{margin-top:6px;font-size:8.5px}.trust-strip small{font-size:7px;line-height:1.15}.site-foot{display:none}
}
@media(max-width:430px){.hub-hero-grid{min-height:320px}.hub-hero .deck{max-width:70%}.hero-art{right:-48px;top:122px;width:61%}.section-head h2{font-size:29px}.subject-pills{gap:5px}.subject-pills span{padding:5px 7px;font-size:8px}}

/* Final mobile catalogue override: stack all exams in normal page flow. */
@media(max-width:760px){
  .exam-grid{display:grid;grid-template-columns:1fr;gap:12px;overflow:visible;padding:3px 1px 4px;scroll-snap-type:none;overscroll-behavior:auto}
  .exam-card,.exam-card:last-child{width:100%;flex:none;scroll-snap-align:none}
}

/* Seven-exam catalogue: the order and naming mirror MockCampus. */
.live-pill[data-state="soon"]{background:#fff3d6;color:#8a5b00}
@media(min-width:1100px){.exam-grid{display:flex;flex-wrap:wrap;justify-content:center}.exam-card,.exam-card:last-child{flex:0 0 calc((100% - 60px)/4);width:auto;grid-column:auto}}
@media(min-width:761px) and (max-width:1099px){.exam-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.exam-card:last-child{grid-column:auto}}

/* World GK Atlas preview and landing-page appearance controls — 2026-09-03. */
.hub-hero-grid{grid-template-areas:"atlas copy lamp";grid-template-columns:minmax(210px,.75fr) minmax(0,1.25fr) minmax(210px,.75fr);gap:clamp(18px,2.6vw,34px)}
.atlas-preview-card{grid-area:atlas;position:relative;z-index:2;align-self:center;justify-self:start;display:grid;grid-template-rows:minmax(118px,1fr) auto;width:min(100%,225px);min-width:0;min-height:246px;border:1px solid rgba(120,162,225,.34);border-radius:21px;background:linear-gradient(160deg,#08182d 0%,#0b3158 60%,#0c1a2c 100%);color:#eef7ff;box-shadow:0 24px 55px rgba(24,48,83,.23);overflow:hidden;transition:transform .22s,box-shadow .22s}
.hero-copy{grid-area:copy}.hero-art{grid-area:lamp;align-self:center;min-width:0;min-height:318px}.hero-art img{width:100%}
.atlas-preview-card:hover{transform:translateY(-5px);box-shadow:0 34px 75px rgba(24,48,83,.3)}
.atlas-preview-card:focus-visible{outline:4px solid rgba(47,103,223,.3);outline-offset:4px}
.atlas-preview-visual{position:relative;display:grid;place-items:center;min-height:130px;overflow:hidden;background:radial-gradient(circle at 48% 44%,rgba(83,176,255,.2),transparent 48%),linear-gradient(180deg,rgba(2,9,21,.3),transparent)}
.atlas-preview-visual::before,.atlas-preview-visual::after{content:"";position:absolute;border:1px solid rgba(138,203,255,.16);border-radius:50%}.atlas-preview-visual::before{width:270px;height:270px}.atlas-preview-visual::after{width:330px;height:330px}
.atlas-preview-globe{position:relative;z-index:2;width:94px;height:94px;border-radius:50%;background-color:#164c80;background-image:url("https://unpkg.com/three-globe/example/img/earth-blue-marble.jpg");background-size:188px 94px;background-position:40% center;box-shadow:inset -17px -7px 25px rgba(0,0,0,.44),inset 6px 3px 12px rgba(255,255,255,.22),0 0 0 1px rgba(175,222,255,.35),0 16px 28px rgba(0,0,0,.42);animation:atlasPreviewSpin 24s linear infinite}
.atlas-preview-copy{position:relative;z-index:3;display:grid;padding:13px 14px 14px;border-top:1px solid rgba(173,215,255,.14);background:rgba(3,13,26,.56);backdrop-filter:blur(10px)}
.atlas-preview-copy small{color:#8fd1ff;font-size:6.5px;font-weight:900;letter-spacing:1px;text-transform:uppercase}.atlas-preview-copy strong{margin-top:4px;font:730 19px/1.08 var(--serif)}.atlas-preview-copy>span{margin-top:5px;color:#b9cbe0;font-size:8.5px;line-height:1.35}.atlas-preview-copy>b{display:flex;align-items:center;justify-content:space-between;margin-top:8px;color:#fff;font-size:8.5px}.atlas-preview-copy i{font-size:15px;font-style:normal}
@keyframes atlasPreviewSpin{from{background-position:0 center}to{background-position:188px center}}

.knowledge-appearance-control{position:fixed;z-index:1500;top:calc(var(--nav-h,58px) + 12px);right:18px}
.knowledge-appearance-button{display:flex;align-items:center;gap:8px;min-height:40px;padding:8px 13px;border:1px solid var(--line);border-radius:999px;background:color-mix(in srgb,var(--sheet) 94%,transparent);box-shadow:0 10px 28px rgba(26,35,54,.15);color:var(--muted);font-size:10px;font-weight:850;cursor:pointer;backdrop-filter:blur(13px)}
.knowledge-appearance-button:hover,.knowledge-appearance-button:focus-visible{border-color:var(--blue);color:var(--blue)}.knowledge-appearance-button span{color:var(--ink);font:750 15px/1 var(--serif)}
.knowledge-appearance-panel{position:fixed;z-index:1600;top:calc(var(--nav-h,58px) + 60px);right:18px;width:min(430px,calc(100% - 36px));padding:16px;border:1px solid var(--line);border-radius:17px;background:color-mix(in srgb,var(--sheet) 96%,transparent);box-shadow:0 24px 65px rgba(27,36,55,.2);backdrop-filter:blur(16px)}
.knowledge-appearance-panel[hidden]{display:none}.knowledge-appearance-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:15px}.knowledge-appearance-heading>span{display:grid}.knowledge-appearance-heading b{font:750 14px var(--serif)}.knowledge-appearance-heading small{margin-top:3px;color:var(--muted);font-size:9px}.knowledge-appearance-heading>button{display:grid;place-items:center;width:28px;height:28px;border:0;border-radius:50%;background:var(--soft);color:var(--muted);font-size:18px;cursor:pointer}
.knowledge-appearance-panel .mode-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:13px}.knowledge-mode-choice{display:flex;align-items:center;gap:9px;min-width:0;min-height:54px;padding:8px;border:1px solid var(--line);border-radius:12px;background:var(--sheet);text-align:left;cursor:pointer}.knowledge-mode-choice:hover,.knowledge-mode-choice.on{border-color:var(--blue)}.knowledge-mode-choice.on{box-shadow:0 0 0 2px color-mix(in srgb,var(--blue) 13%,transparent)}.knowledge-mode-choice>span{display:grid;min-width:0}.knowledge-mode-choice b{font-size:10px}.knowledge-mode-choice small{margin-top:2px;color:var(--muted);font-size:8px}.knowledge-mode-swatch{position:relative;flex:0 0 27px;width:27px;height:27px;border:1px solid rgba(0,0,0,.16);border-radius:50%}.knowledge-mode-swatch.light{background:#fff}.knowledge-mode-swatch.dark{background:#141b27}.knowledge-mode-swatch.paper{background:#f1e4c2}.knowledge-mode-swatch.focus{background:linear-gradient(90deg,#e8ebf1 0 28%,#fff 28% 72%,#e8ebf1 72%)}.knowledge-mode-choice.on .knowledge-mode-swatch::after{content:"✓";position:absolute;inset:0;display:grid;place-items:center;color:#2f67df;font-size:11px;font-style:normal}
body[data-knowledge-appearance="paper"]{--paper:#eee4cd;--sheet:#fbf3df;--ink:#302b22;--muted:#746b5b;--line:#d9ccb0;--soft:#f1e5c9;background:#eee4cd}
body[data-knowledge-appearance="paper"] .hub-hero{background:linear-gradient(145deg,#fbf5e7,#eee4cd)}
body[data-knowledge-appearance="focus"] .stat-band,body[data-knowledge-appearance="focus"] .trust-strip,body[data-knowledge-appearance="focus"] .site-foot{display:none!important}
body[data-knowledge-appearance="focus"] .hub-hero{padding-bottom:36px;background:var(--sheet)}body[data-knowledge-appearance="focus"] .hub-main{padding-top:30px}body[data-knowledge-appearance="focus"] .hero-art{display:none}body[data-knowledge-appearance="focus"] .hub-hero-grid{grid-template-areas:"atlas copy";grid-template-columns:minmax(210px,.65fr) minmax(0,1.35fr)}
body[data-knowledge-appearance="focus"] .library-intro p,body[data-knowledge-appearance="focus"] .library-kicker{display:none}body[data-knowledge-appearance="focus"] .library-intro{background:var(--sheet);padding-bottom:18px}body[data-knowledge-appearance="focus"] .library-content{padding-top:24px}
@media(prefers-reduced-motion:reduce){.atlas-preview-globe{animation:none}}
@media(max-width:960px){.hub-hero-grid{grid-template-columns:minmax(170px,.72fr) minmax(0,1.28fr) minmax(170px,.72fr);gap:18px}.atlas-preview-card{min-height:232px}.hero-art{min-height:288px}.atlas-preview-globe{width:86px;height:86px;background-size:172px 86px}.atlas-preview-copy strong{font-size:18px}.atlas-preview-copy>span{font-size:8px}}
@media(max-width:760px){.hub-hero-grid{display:grid;grid-template-areas:"copy copy" "atlas lamp";grid-template-columns:1fr 1fr;gap:12px;min-height:0}.hero-copy{padding-bottom:4px}.hub-hero h1,.hub-hero .deck{max-width:100%}.atlas-preview-card,.hero-art{width:100%;min-height:0}.atlas-preview-card{justify-self:stretch;grid-template-rows:108px auto;border-radius:18px}.atlas-preview-visual{min-height:108px}.atlas-preview-globe{width:76px;height:76px;background-size:152px 76px}.atlas-preview-visual::before{width:116px;height:116px}.atlas-preview-visual::after{display:none}.atlas-preview-copy{padding:11px 12px 12px}.atlas-preview-copy small{font-size:6.5px;letter-spacing:.8px}.atlas-preview-copy strong{font-size:18px}.atlas-preview-copy>span{display:none}.atlas-preview-copy>b{margin-top:7px;font-size:8.5px}.hero-art{position:relative;right:auto;top:auto;display:flex;align-items:flex-end;justify-content:center;opacity:1}.hero-art img{display:block;width:100%;height:auto}.knowledge-appearance-button{min-height:36px;padding:7px 10px}.knowledge-appearance-button:not([aria-expanded="true"]){font-size:0}.knowledge-appearance-button span{font-size:14px}body[data-knowledge-appearance="focus"] .hub-hero-grid{grid-template-areas:"copy copy" "atlas atlas";grid-template-columns:1fr 1fr}}
@media(max-width:430px){.atlas-preview-card{grid-template-rows:92px auto}.atlas-preview-visual{min-height:92px}.atlas-preview-globe{width:66px;height:66px;background-size:132px 66px}.atlas-preview-copy{padding:9px 10px 10px}.atlas-preview-copy strong{font-size:16px}.hero-art{min-height:0}}
@media(max-width:620px){.knowledge-appearance-panel{top:calc(var(--nav-h,58px) + 8px);left:8px;right:8px;width:auto;box-sizing:border-box;padding:13px}.knowledge-appearance-panel .mode-grid{grid-template-columns:1fr 1fr}}

/* Reading-room homepage — premium warm-library treatment, 2026-09-04.
   Everything in this block is deliberately scoped so note and reader pages stay unchanged. */
body.reading-room-home{
  --reading-room-parchment:#f2e7d2;
  --reading-room-vellum:#fff9eb;
  --reading-room-walnut:#4a2e22;
  --reading-room-walnut-deep:#2c1914;
  --reading-room-brass:#ae7a2d;
  --reading-room-brass-soft:#d9ba76;
  --reading-room-ink:#251b17;
  --reading-room-oxblood:#71342e;
  --reading-room-forest:#284b3d;
  --reading-room-atlas:#173e61;
  --paper:var(--reading-room-parchment);
  --sheet:var(--reading-room-vellum);
  --ink:var(--reading-room-ink);
  --muted:#706157;
  --line:#d8c7a8;
  --soft:#eee0c8;
  --blue:#315d80;
  background:
    radial-gradient(circle at 14% 0,rgba(255,251,231,.92),transparent 28rem),
    linear-gradient(135deg,#f7edd9 0%,var(--reading-room-parchment) 52%,#e6d4b6 100%);
  color:var(--reading-room-ink);
}
body.reading-room-home[data-theme="dark"]{
  --reading-room-parchment:#15181b;
  --reading-room-vellum:#202021;
  --reading-room-walnut:#35231e;
  --reading-room-walnut-deep:#17100e;
  --reading-room-brass:#c09a58;
  --reading-room-brass-soft:#e2c98d;
  --reading-room-ink:#eee4d1;
  --reading-room-oxblood:#9b5a51;
  --reading-room-forest:#527667;
  --reading-room-atlas:#325b79;
  --paper:#13171a;
  --sheet:#211f1e;
  --ink:#f0e7d5;
  --muted:#c2b6a4;
  --line:#55483b;
  --soft:#2c2925;
  --blue:#91b8d0;
  color-scheme:dark;
  background:
    radial-gradient(circle at 83% 5%,rgba(192,154,88,.13),transparent 25rem),
    linear-gradient(135deg,#10161b 0%,#17191a 54%,#241b18 100%);
}
body.reading-room-home[data-knowledge-appearance="paper"]{
  --paper:#eadcc0;
  --sheet:#fff7e5;
  --line:#cfba93;
  background:linear-gradient(135deg,#f4e8cf,#e8d7b8);
}
body.reading-room-home .kh-top{
  background:
    linear-gradient(90deg,rgba(255,255,255,.04),transparent 23%),
    linear-gradient(90deg,var(--reading-room-walnut-deep),var(--reading-room-walnut) 52%,#233247);
  border-bottom:1px solid color-mix(in srgb,var(--reading-room-brass) 58%,transparent);
  box-shadow:0 9px 30px rgba(40,24,18,.2);
}
body.reading-room-home .kh-brand strong span{color:#e6b95d}
body.reading-room-home .kh-links .mock{background:#d8a649;color:#2d1d0a}
body.reading-room-home .kh-progress i{background:linear-gradient(90deg,var(--reading-room-brass),#f3d592)}
body.reading-room-home .pd-unav__button,
body.reading-room-home .kh-theme,
body.reading-room-home .kh-menu{
  width:44px;
  min-width:44px;
  height:44px;
  min-height:44px;
}
body.reading-room-home .knowledge-appearance-button{
  min-width:44px;
  min-height:44px;
}

body.reading-room-home .hub-hero{
  padding:14px 0 12px;
  overflow:hidden;
  border-bottom:1px solid color-mix(in srgb,var(--reading-room-walnut) 22%,var(--line));
  background:
    radial-gradient(ellipse at 84% 35%,rgba(245,190,86,.21),transparent 27%),
    radial-gradient(ellipse at 51% 4%,rgba(255,255,255,.88),transparent 33%),
    repeating-linear-gradient(90deg,transparent 0 197px,rgba(91,55,35,.035) 197px 199px),
    linear-gradient(180deg,var(--reading-room-vellum),var(--reading-room-parchment));
}
body.reading-room-home[data-theme="dark"] .hub-hero{
  background:
    radial-gradient(ellipse at 84% 37%,rgba(226,177,81,.2),transparent 28%),
    radial-gradient(ellipse at 50% -8%,rgba(119,151,173,.12),transparent 36%),
    repeating-linear-gradient(90deg,transparent 0 197px,rgba(224,198,153,.025) 197px 199px),
    linear-gradient(180deg,#151c22,#1e1b19);
}
body.reading-room-home .hub-hero::after{
  right:0;
  bottom:0;
  width:100%;
  height:8px;
  border:0;
  border-radius:0;
  background:linear-gradient(180deg,#6b432e,#3a241b 63%,#24150f);
  box-shadow:0 -2px 0 rgba(181,133,62,.45),0 -10px 22px rgba(62,39,26,.1);
}
body.reading-room-home .hub-hero-grid{
  grid-template-areas:"quote atlas title lamp";
  grid-template-columns:minmax(155px,.72fr) minmax(175px,.9fr) minmax(300px,1.32fr) minmax(175px,.9fr);
  align-items:stretch;
  gap:clamp(11px,1.35vw,18px);
  min-height:242px;
}

body.reading-room-home .quote-frame,
body.reading-room-home .reading-lamp{
  -webkit-appearance:none;
  appearance:none;
  min-width:0;
  min-height:44px;
  margin:0;
  padding:0;
  color:inherit;
  font:inherit;
  text-align:inherit;
  cursor:pointer;
  touch-action:manipulation;
}
body.reading-room-home .quote-frame{
  grid-area:quote;
  position:relative;
  display:flex;
  min-height:242px;
  border:7px solid var(--reading-room-walnut-deep);
  border-radius:7px;
  background:
    linear-gradient(135deg,rgba(255,255,255,.1),transparent 45%),
    var(--reading-room-walnut);
  box-shadow:
    inset 0 0 0 2px var(--reading-room-brass),
    inset 0 0 0 5px rgba(25,14,10,.28),
    0 18px 34px rgba(55,34,23,.18);
  transform:rotate(-.35deg);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
body.reading-room-home .quote-frame::before,
body.reading-room-home .quote-frame::after{
  content:"";
  position:absolute;
  z-index:3;
  width:12px;
  height:12px;
  border:1px solid #8c642a;
  border-radius:50%;
  background:radial-gradient(circle at 35% 30%,#f2d692,#b3792b 58%,#684315);
  box-shadow:0 1px 3px rgba(27,15,8,.45);
}
body.reading-room-home .quote-frame::before{top:4px;left:4px}
body.reading-room-home .quote-frame::after{right:4px;bottom:4px}
body.reading-room-home .quote-frame-inner{
  position:relative;
  display:flex;
  flex:1;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  margin:7px;
  padding:20px 13px 15px;
  overflow:hidden;
  border:1px solid #d4bf91;
  background:
    linear-gradient(rgba(255,255,255,.22),rgba(255,255,255,0)),
    repeating-linear-gradient(0deg,rgba(79,52,37,.028) 0 1px,transparent 1px 4px),
    #e9d8b6;
  color:#2c211a;
  text-align:center;
  box-shadow:inset 0 0 24px rgba(96,62,37,.13);
}
body.reading-room-home .quote-frame-inner::before{
  content:"“";
  position:absolute;
  top:3px;
  left:8px;
  color:rgba(113,52,46,.18);
  font:700 70px/.9 var(--serif);
}
body.reading-room-home .quote-kicker{
  color:var(--reading-room-oxblood);
  font-size:7px;
  font-weight:900;
  letter-spacing:1.25px;
  text-transform:uppercase;
}
body.reading-room-home #readingQuote{
  display:block;
  margin:11px 0 0;
  font:650 clamp(14px,1.25vw,18px)/1.32 var(--serif);
  letter-spacing:-.015em;
  text-wrap:balance;
  transition:opacity .13s ease,transform .13s ease;
}
body.reading-room-home #readingQuote::before,
body.reading-room-home #readingQuote::after{content:none}
body.reading-room-home .quote-frame-caption{
  margin-top:auto;
  padding-top:12px;
  color:#4f392c;
  font-size:9px;
  font-weight:800;
  letter-spacing:.42px;
  text-transform:uppercase;
}

body.reading-room-home .atlas-preview-card{
  grid-area:atlas;
  align-self:stretch;
  justify-self:stretch;
  width:100%;
  min-height:242px;
  border-color:rgba(153,192,221,.38);
  border-radius:13px 13px 10px 10px;
  background:linear-gradient(160deg,#071626,#0d355d 59%,#071420);
  box-shadow:
    inset 5px 0 rgba(255,255,255,.035),
    inset -3px 0 rgba(0,0,0,.2),
    0 18px 34px rgba(18,37,58,.25);
}
body.reading-room-home .atlas-preview-card::before{
  content:"WORLD ATLAS";
  position:absolute;
  z-index:5;
  top:13px;
  left:-1px;
  padding:5px 8px 5px 10px;
  border-radius:0 4px 4px 0;
  background:#e0bd73;
  color:#21160c;
  font-size:7px;
  font-weight:900;
  letter-spacing:1px;
}
body.reading-room-home .atlas-preview-visual{min-height:126px}
body.reading-room-home .atlas-preview-globe{
  width:88px;
  height:88px;
  background-size:176px 88px;
  box-shadow:inset -17px -7px 25px rgba(0,0,0,.44),inset 6px 3px 12px rgba(255,255,255,.22),0 0 0 1px rgba(175,222,255,.35),0 13px 25px rgba(0,0,0,.45);
  animation:none;
}
body.reading-room-home .atlas-preview-copy{padding:11px 12px 12px}
body.reading-room-home .atlas-preview-copy strong{font-size:18px}
body.reading-room-home .atlas-preview-copy>span{font-size:8px}

body.reading-room-home .reading-plaque{
  grid-area:title;
  position:relative;
  z-index:2;
  display:flex;
  min-width:0;
  min-height:242px;
  padding:19px 20px 14px;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  border:1px solid #c9ad78;
  border-radius:5px;
  background:
    linear-gradient(90deg,rgba(124,82,43,.035) 1px,transparent 1px) 0 0/19px 100%,
    repeating-linear-gradient(0deg,rgba(86,57,38,.02) 0 1px,transparent 1px 4px),
    linear-gradient(145deg,#fffaf0,#f4e6c9);
  color:#261d18;
  box-shadow:
    inset 0 0 0 5px rgba(174,122,45,.095),
    inset 0 0 38px rgba(100,64,37,.06),
    0 18px 38px rgba(64,42,27,.14);
}
body.reading-room-home .reading-plaque::before,
body.reading-room-home .reading-plaque::after{
  content:"";
  position:absolute;
  left:20%;
  right:20%;
  height:1px;
  background:linear-gradient(90deg,transparent,var(--reading-room-brass),transparent);
}
body.reading-room-home .reading-plaque::before{top:15px}
body.reading-room-home .reading-plaque::after{bottom:12px}
body.reading-room-home .hub-hero h1{
  max-width:none;
  margin:0;
  color:#211914;
  font:700 clamp(40px,4.15vw,57px)/.93 var(--serif);
  letter-spacing:-.055em;
  text-align:center;
  text-wrap:balance;
}
body.reading-room-home .ist-clock{
  position:relative;
  display:grid;
  justify-items:center;
  gap:4px;
  width:76px;
  margin-top:11px;
}
body.reading-room-home .ist-clock-face{
  position:relative;
  display:block;
  width:76px;
  height:76px;
  border:1px solid #9a7134;
  border-radius:50%;
  background:
    radial-gradient(circle,#fbf5e8 0 59%,transparent 60%),
    repeating-conic-gradient(from -1deg,#7f5a29 0 1deg,transparent 1deg 30deg),
    #efe0c2;
  box-shadow:0 4px 11px rgba(57,35,21,.2);
}
body.reading-room-home .ist-clock-face::before{
  content:"";
  position:absolute;
  z-index:1;
  inset:4px;
  border:1px solid #c49b50;
  border-radius:50%;
  pointer-events:none;
}
body.reading-room-home .clock-number{
  position:absolute;
  z-index:1;
  color:#4b3723;
  font:800 7px/1 var(--sans);
}
body.reading-room-home .clock-number-12{top:10px;left:50%;transform:translateX(-50%)}
body.reading-room-home .clock-number-3{right:10px;top:50%;transform:translateY(-50%)}
body.reading-room-home .clock-number-6{bottom:9px;left:50%;transform:translateX(-50%)}
body.reading-room-home .clock-number-9{left:10px;top:50%;transform:translateY(-50%)}
body.reading-room-home .clock-hand{
  position:absolute;
  z-index:3;
  left:50%;
  bottom:50%;
  width:2px;
  margin-left:-1px;
  border-radius:999px;
  background:var(--reading-room-atlas);
  box-shadow:0 1px 1px rgba(255,255,255,.4);
  transform:rotate(0deg);
  transform-origin:50% 100%;
}
body.reading-room-home .clock-hour{height:19px;width:3px;margin-left:-1.5px}
body.reading-room-home .clock-minute{height:27px}
body.reading-room-home .clock-second{height:29px;width:1px;margin-left:-.5px;background:#3d86ad}
body.reading-room-home .clock-pin{
  position:absolute;
  z-index:4;
  left:50%;
  top:50%;
  width:7px;
  height:7px;
  border:2px solid #f0d594;
  border-radius:50%;
  background:#8f302b;
  transform:translate(-50%,-50%);
  box-shadow:0 0 0 1px #69461e;
}
body.reading-room-home .ist-clock-caption{
  white-space:nowrap;
  color:#785d3b;
  font-size:6.5px;
  font-weight:900;
  letter-spacing:.85px;
  text-transform:uppercase;
}

body.reading-room-home .reading-lamp{
  grid-area:lamp;
  position:relative;
  display:flex;
  min-height:242px;
  overflow:hidden;
  border:1px solid #654735;
  border-radius:13px;
  background:linear-gradient(155deg,#161514,#0b111a 70%);
  box-shadow:inset 0 0 0 4px rgba(213,173,94,.07),0 18px 36px rgba(41,27,19,.24);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
body.reading-room-home .reading-lamp::before{
  content:"LIGHT / DARK";
  position:absolute;
  z-index:8;
  top:10px;
  right:10px;
  padding:4px 7px;
  border:1px solid rgba(230,199,134,.46);
  border-radius:999px;
  background:rgba(17,18,18,.66);
  color:#edd8a3;
  font-size:5.7px;
  font-weight:900;
  letter-spacing:.85px;
}
body.reading-room-home .reading-lamp::after{
  content:"";
  position:absolute;
  z-index:1;
  right:0;
  bottom:-28px;
  width:83%;
  height:78%;
  border-radius:50%;
  background:radial-gradient(ellipse,rgba(255,220,139,.38),rgba(220,155,56,.09) 54%,transparent 72%);
  filter:blur(3px);
  pointer-events:none;
  transition:opacity .25s ease,filter .25s ease,background .25s ease;
}
body.reading-room-home .reading-lamp[aria-pressed="true"]::after{opacity:.72;filter:blur(4px)}
body.reading-room-home .hero-art{
  position:relative;
  z-index:2;
  right:auto;
  top:auto;
  display:flex;
  flex:1;
  align-self:stretch;
  align-items:stretch;
  justify-content:stretch;
  width:100%;
  min-height:0;
}
body.reading-room-home .reading-lamp-scene{
  position:relative;
  display:block;
  flex:1;
  align-self:stretch;
  min-width:0;
  min-height:100%;
  height:100%;
  overflow:hidden;
}
body.reading-room-home .hero-art img{
  position:absolute;
  z-index:2;
  inset:0 auto 0 -12%;
  display:block;
  width:123%;
  height:100%;
  object-fit:cover;
  object-position:center;
  mix-blend-mode:screen;
  filter:saturate(.92) contrast(1.04) sepia(.06);
}
body.reading-room-home .study-board{
  position:absolute;
  z-index:6;
  top:18px;
  left:12px;
  width:104px;
  height:122px;
  padding:10px 7px;
  border:4px solid #6a442d;
  border-radius:3px;
  background:
    radial-gradient(circle at 20% 30%,rgba(255,255,255,.06),transparent 2px),
    repeating-linear-gradient(45deg,rgba(77,49,29,.08) 0 1px,transparent 1px 4px),
    #b88a58;
  box-shadow:inset 0 0 0 1px #d9b278,0 7px 13px rgba(0,0,0,.35);
  transform:rotate(-1.5deg);
}
body.reading-room-home .study-board-title{
  display:block;
  color:#3d291b;
  font-size:7px;
  font-weight:900;
  letter-spacing:.8px;
  text-align:center;
}
body.reading-room-home .board-pin{
  position:absolute;
  z-index:3;
  width:5px;
  height:5px;
  border-radius:50%;
  background:radial-gradient(circle at 30% 30%,#fff1b8,#a16321 66%);
  box-shadow:0 1px 2px rgba(0,0,0,.45);
}
body.reading-room-home .board-pin-one{top:5px;left:6px}
body.reading-room-home .board-pin-two{top:5px;right:6px}
body.reading-room-home .sticky-note{
  position:absolute;
  display:grid;
  place-items:center;
  color:#2e2410;
  font-size:8.2px;
  font-weight:900;
  line-height:1.05;
  letter-spacing:.05px;
  text-align:center;
  box-shadow:0 3px 5px rgba(51,34,20,.22);
}
body.reading-room-home .sticky-rank{top:28px;left:7px;width:48px;height:34px;background:#f5d957;color:#241b08;font-size:8.8px;transform:rotate(-3deg)}
body.reading-room-home .sticky-revise{top:35px;right:6px;width:28px;height:25px;background:#e9a5a0;transform:rotate(4deg)}
body.reading-room-home .sticky-mock{right:8px;bottom:7px;width:48px;height:29px;background:#a7d4b5;transform:rotate(-2deg)}
body.reading-room-home .desk-pencil-cup{
  position:absolute;
  z-index:7;
  left:17px;
  bottom:15px;
  width:25px;
  height:29px;
  border-radius:3px 3px 9px 9px;
  background:linear-gradient(90deg,#713a29,#a7613e,#5f3025);
  box-shadow:0 4px 7px rgba(0,0,0,.35);
}
body.reading-room-home .desk-pencil-cup i{
  position:absolute;
  bottom:23px;
  left:7px;
  width:3px;
  height:32px;
  background:#d6a02f;
  transform:rotate(-8deg);
  transform-origin:bottom;
}
body.reading-room-home .desk-pencil-cup i:nth-child(2){left:13px;height:37px;background:#9d4b3d;transform:rotate(5deg)}
body.reading-room-home .desk-pencil-cup i:nth-child(3){left:18px;height:29px;background:#315d80;transform:rotate(12deg)}
body.reading-room-home .desk-paper{
  position:absolute;
  z-index:5;
  left:52px;
  bottom:11px;
  width:48px;
  height:29px;
  border-radius:2px;
  background:repeating-linear-gradient(180deg,#f1e7cc 0 6px,#b9a985 6px 7px);
  box-shadow:0 4px 8px rgba(0,0,0,.32);
  transform:rotate(2deg);
}
body.reading-room-home .desk-paper i{display:none}
body.reading-room-home .lamp-theme-hint{
  position:absolute;
  z-index:8;
  right:10px;
  bottom:9px;
  padding:5px 8px;
  border:1px solid rgba(245,222,172,.32);
  border-radius:999px;
  background:rgba(9,12,15,.7);
  color:#f3dfae;
  font-size:6.5px;
  font-weight:850;
  letter-spacing:.55px;
  text-transform:uppercase;
  backdrop-filter:blur(5px);
}
body.reading-room-home .quote-frame:hover,
body.reading-room-home .reading-lamp:hover{transform:translateY(-3px);filter:saturate(1.04)}
body.reading-room-home .quote-frame:active,
body.reading-room-home .reading-lamp:active{transform:translateY(0) scale(.99)}
body.reading-room-home .quote-frame:active #readingQuote{opacity:.4;transform:translateY(2px) scale(.985)}
body.reading-room-home .quote-frame:focus-visible,
body.reading-room-home .reading-lamp:focus-visible,
body.reading-room-home .atlas-preview-card:focus-visible{
  outline:3px solid #f6cf72;
  outline-offset:4px;
  box-shadow:0 0 0 7px rgba(80,51,29,.4),0 22px 42px rgba(48,29,20,.24);
}

body.reading-room-home .stat-band{
  z-index:4;
  min-height:62px;
  margin-top:10px;
  border:1px solid color-mix(in srgb,var(--reading-room-brass) 62%,var(--line));
  border-radius:8px;
  background:
    linear-gradient(180deg,rgba(255,255,255,.22),transparent 40%),
    linear-gradient(90deg,#6c4430,#4b2c20 48%,#68412d);
  box-shadow:inset 0 0 0 3px rgba(214,177,101,.12),0 13px 25px rgba(52,33,23,.2);
  overflow:hidden;
}
body.reading-room-home .stat-item{min-height:60px;padding:8px 13px;color:#fff3dc}
body.reading-room-home .stat-item+.stat-item::before{top:16%;height:68%;border-color:rgba(235,204,143,.3)}
body.reading-room-home .stat-item::after{
  content:"";
  position:absolute;
  right:8px;
  bottom:6px;
  width:12px;
  height:3px;
  border-radius:4px;
  background:linear-gradient(180deg,#e8c77d,#8a5e23);
  box-shadow:0 1px 2px rgba(0,0,0,.3);
}
body.reading-room-home .stat-icon{
  width:36px;
  height:36px;
  flex-basis:36px;
  border:1px solid rgba(240,209,147,.35);
  border-radius:7px;
  background:rgba(255,248,227,.1)!important;
  color:#f1d28c!important;
  font-size:15px;
}
body.reading-room-home .stat-item b{color:#fff7e8;font:780 20px/1 var(--serif)}
body.reading-room-home .stat-item small{margin-top:3px;color:#dfcdb2;font-size:8px;letter-spacing:.25px}

body.reading-room-home .hub-search-zone{
  top:var(--nav-h);
  padding:7px 0;
  background:color-mix(in srgb,var(--reading-room-parchment) 91%,transparent);
  border-bottom-color:color-mix(in srgb,var(--reading-room-walnut) 18%,var(--line));
}
body.reading-room-home .hub-search-zone .search-shell{width:min(1180px,calc(100% - 36px))}
body.reading-room-home .hub-search{
  min-height:52px;
  padding:10px 18px;
  border:1px solid #c7ad7f;
  border-radius:8px;
  background:
    linear-gradient(180deg,rgba(255,255,255,.45),transparent),
    var(--reading-room-vellum);
  box-shadow:inset 0 -3px rgba(107,67,43,.06),0 9px 20px rgba(60,39,25,.1);
}
body.reading-room-home .hub-search::before{
  content:"LIBRARY CATALOGUE";
  position:absolute;
  top:-6px;
  left:18px;
  padding:2px 7px;
  border-radius:2px;
  background:#e0bd73;
  color:#21160c;
  font-size:7px;
  font-weight:900;
  letter-spacing:.8px;
}
body.reading-room-home .hub-search:focus-within{border-color:var(--reading-room-brass);box-shadow:0 0 0 4px color-mix(in srgb,var(--reading-room-brass) 18%,transparent),0 11px 24px rgba(60,39,25,.14)}
body.reading-room-home .exam-filter-button{
  top:4px;
  right:5px;
  width:44px;
  height:44px;
  border-color:#b89961;
  background:linear-gradient(145deg,#fff9e9,#e8d5ae);
  color:#64462c;
}
body.reading-room-home[data-theme="dark"] .exam-filter-button{background:linear-gradient(145deg,#302b25,#201b18);color:#e3c989}

body.reading-room-home .hub-main{padding:26px 0 64px}
body.reading-room-home .section-head{margin-bottom:16px}
body.reading-room-home .section-head .label{color:var(--reading-room-oxblood)}
body.reading-room-home .section-head h2{font-size:clamp(28px,3.1vw,37px);color:var(--reading-room-ink)}
body.reading-room-home .exam-grid{gap:20px}
body.reading-room-home .exam-card{
  min-height:318px;
  padding:25px 23px 23px 31px;
  border:1px solid color-mix(in srgb,var(--exam) 42%,#6f5138);
  border-radius:4px 14px 14px 4px;
  background:
    linear-gradient(90deg,rgba(255,255,255,.14),transparent 4%,transparent 94%,rgba(0,0,0,.06)),
    repeating-linear-gradient(0deg,rgba(255,255,255,.025) 0 1px,transparent 1px 4px),
    color-mix(in srgb,var(--exam) 68%,#3b3027);
  color:#fff8e9;
  box-shadow:-7px 10px 0 #cbb994,0 18px 34px rgba(52,34,23,.17),inset 9px 0 rgba(18,14,11,.16),inset 0 1px rgba(255,255,255,.15);
}
body.reading-room-home .exam-card::before{
  inset:0 auto 0 13px;
  width:2px;
  background:rgba(238,212,154,.55);
  box-shadow:5px 0 rgba(0,0,0,.12);
}
body.reading-room-home .exam-card::after{
  content:"";
  position:absolute;
  z-index:0;
  inset:0;
  pointer-events:none;
  background:
    radial-gradient(circle at 15% 20%,rgba(255,255,255,.07),transparent 25%),
    repeating-linear-gradient(90deg,rgba(255,255,255,.02) 0 1px,transparent 1px 3px);
  mix-blend-mode:screen;
}
body.reading-room-home .exam-card>*{position:relative;z-index:1}
body.reading-room-home .exam-card:hover{transform:translateY(-5px) rotate(-.18deg);box-shadow:-7px 12px 0 #cbb994,0 27px 48px rgba(52,34,23,.25),inset 9px 0 rgba(18,14,11,.16)}
body.reading-room-home .exam-card:focus-visible{outline:3px solid var(--reading-room-brass-soft);outline-offset:5px}
body.reading-room-home .exam-card h3{margin-top:21px;color:#fff9ed;text-shadow:0 1px rgba(0,0,0,.26)}
body.reading-room-home .exam-card .count{color:#f5d88e}
body.reading-room-home .exam-card p{color:#efe5d5}
body.reading-room-home .exam-card .exam-icon{border:1px solid rgba(255,239,201,.3);background:rgba(255,248,228,.12)}
body.reading-room-home .exam-card .live-pill{border:1px solid rgba(255,255,255,.4);background:#e4f1dc;color:#235b2d}
body.reading-room-home .exam-card .live-pill[data-state="soon"]{background:#f5dca8;color:#63420c}
body.reading-room-home .exam-card .subject-pills span{border-color:rgba(255,240,207,.28);background:rgba(17,15,13,.1);color:#f4ead8}
body.reading-room-home .exam-card .exam-open{border-color:rgba(255,240,207,.25);color:#ffe5a3}
body.reading-room-home .trust-strip{border-color:#c9b084;background:color-mix(in srgb,var(--reading-room-vellum) 90%,transparent)}

body.reading-room-home[data-theme="dark"] .reading-plaque{
  border-color:#695b47;
  background:
    linear-gradient(90deg,rgba(226,201,148,.025) 1px,transparent 1px) 0 0/19px 100%,
    repeating-linear-gradient(0deg,rgba(238,220,183,.018) 0 1px,transparent 1px 4px),
    linear-gradient(145deg,#292724,#1d1d1d);
  color:#f0e6d2;
  box-shadow:inset 0 0 0 5px rgba(192,154,88,.08),0 18px 38px rgba(0,0,0,.25);
}
body.reading-room-home[data-theme="dark"] .hub-hero h1{color:#f2e8d6}
body.reading-room-home[data-theme="dark"] .ist-clock-face{background:radial-gradient(circle,#272522 0 59%,transparent 60%),repeating-conic-gradient(from -1deg,#c4a366 0 1deg,transparent 1deg 30deg),#312c25}
body.reading-room-home[data-theme="dark"] .clock-number{color:#eadfc9}
body.reading-room-home[data-theme="dark"] .clock-hand{background:#dceaf1;box-shadow:0 0 3px rgba(112,177,211,.28)}
body.reading-room-home[data-theme="dark"] .clock-second{background:#63b2d8}
body.reading-room-home[data-theme="dark"] .ist-clock-caption{color:#d5bc88}
body.reading-room-home[data-theme="dark"] .hub-search{border-color:#655641;background:linear-gradient(180deg,rgba(255,255,255,.03),transparent),#252321}
body.reading-room-home[data-theme="dark"] .stat-band{border-color:#725939;background:linear-gradient(90deg,#3b261e,#261a16 48%,#3c281f)}
body.reading-room-home[data-theme="dark"] .trust-strip{border-color:#504539;background:#211f1e}
body.reading-room-home[data-theme="dark"] .section-head .label{color:#efb0a8}
body.reading-room-home[data-theme="dark"] .reading-lamp[aria-pressed="true"]{
  border-color:#a77935;
  box-shadow:inset 0 0 0 4px rgba(239,198,107,.12),0 0 28px rgba(231,174,67,.32),0 20px 44px rgba(0,0,0,.38);
}
body.reading-room-home[data-theme="dark"] .reading-lamp[aria-pressed="true"]::after{
  right:-2%;
  bottom:-18px;
  width:94%;
  height:92%;
  opacity:1;
  background:radial-gradient(ellipse at 58% 55%,rgba(255,238,183,.72),rgba(244,187,73,.35) 38%,rgba(202,125,36,.14) 60%,transparent 76%);
  filter:blur(1px);
}
body.reading-room-home[data-theme="dark"] .reading-lamp[aria-pressed="true"] .hero-art img{
  opacity:1;
  filter:brightness(1.13) saturate(1.08) contrast(1.04) sepia(.05);
}

body.reading-room-home[data-knowledge-appearance="focus"] .hero-art{display:flex}
body.reading-room-home[data-knowledge-appearance="focus"] .hub-hero{padding:14px 0 12px;background:linear-gradient(180deg,var(--reading-room-vellum),var(--reading-room-parchment))}
body.reading-room-home[data-knowledge-appearance="focus"] .hub-hero-grid{
  grid-template-areas:"quote atlas title lamp";
  grid-template-columns:minmax(155px,.72fr) minmax(175px,.9fr) minmax(300px,1.32fr) minmax(175px,.9fr);
}

@media(max-width:1050px){
  body.reading-room-home .hub-hero-grid,
  body.reading-room-home[data-knowledge-appearance="focus"] .hub-hero-grid{
    grid-template-columns:minmax(130px,.64fr) minmax(148px,.82fr) minmax(235px,1.18fr) minmax(148px,.82fr);
    gap:10px;
  }
  body.reading-room-home .quote-frame,
  body.reading-room-home .atlas-preview-card,
  body.reading-room-home .reading-plaque,
  body.reading-room-home .reading-lamp{min-height:226px}
  body.reading-room-home #readingQuote{font-size:14px}
  body.reading-room-home .quote-frame-inner{padding-inline:9px}
  body.reading-room-home .study-board{left:8px;width:92px;height:112px;transform:rotate(-1.5deg);transform-origin:top left}
  body.reading-room-home .atlas-preview-copy>span{display:none}
  body.reading-room-home .hub-hero h1{font-size:clamp(36px,4.4vw,48px)}
}

@media(max-width:760px){
  body.reading-room-home{overflow-x:hidden}
  body.reading-room-home .pd-unav__button,
  body.reading-room-home .kh-theme,
  body.reading-room-home .kh-menu{
    width:44px;
    min-width:44px;
    height:44px;
    min-height:44px;
  }
  body.reading-room-home .knowledge-appearance-button{min-width:44px;min-height:44px}
  body.reading-room-home .hub-hero{padding:13px 0 10px}
  body.reading-room-home .hub-hero-grid,
  body.reading-room-home[data-knowledge-appearance="focus"] .hub-hero-grid{
    display:grid;
    grid-template-areas:"title title" "atlas lamp" "quote quote";
    grid-template-columns:minmax(0,1fr) minmax(0,1fr);
    gap:11px;
    min-height:0;
  }
  body.reading-room-home .reading-plaque{min-height:178px;padding:18px 12px 12px}
  body.reading-room-home .hub-hero h1{max-width:100%;font-size:clamp(38px,11.5vw,50px)}
  body.reading-room-home .ist-clock{width:60px;margin-top:9px}
  body.reading-room-home .ist-clock-face{width:60px;height:60px}
  body.reading-room-home .clock-number-12{top:8px}
  body.reading-room-home .clock-number-3{right:8px}
  body.reading-room-home .clock-number-6{bottom:7px}
  body.reading-room-home .clock-number-9{left:8px}
  body.reading-room-home .clock-hour{height:15px}
  body.reading-room-home .clock-minute{height:21px}
  body.reading-room-home .clock-second{height:23px}
  body.reading-room-home .atlas-preview-card,
  body.reading-room-home .reading-lamp{width:100%;min-width:0;min-height:205px;height:205px}
  body.reading-room-home .atlas-preview-card{grid-template-rows:104px minmax(0,1fr)}
  body.reading-room-home .atlas-preview-visual{min-height:104px}
  body.reading-room-home .atlas-preview-globe{width:70px;height:70px;background-size:140px 70px}
  body.reading-room-home .atlas-preview-copy{padding:9px 10px 10px}
  body.reading-room-home .atlas-preview-copy small{font-size:5.7px}
  body.reading-room-home .atlas-preview-copy strong{font-size:16px}
  body.reading-room-home .atlas-preview-copy>b{font-size:7.5px}
  body.reading-room-home .study-board{top:12px;left:7px;width:90px;height:108px;transform:rotate(-1.5deg)}
  body.reading-room-home .desk-pencil-cup{left:12px;bottom:12px;transform:scale(.8);transform-origin:bottom left}
  body.reading-room-home .desk-paper{left:39px;bottom:9px;transform:scale(.82) rotate(2deg);transform-origin:bottom left}
  body.reading-room-home .lamp-theme-hint{right:7px;bottom:7px;font-size:5.6px}
  body.reading-room-home .quote-frame{min-height:132px;transform:none}
  body.reading-room-home .quote-frame-inner{padding:17px 17px 12px}
  body.reading-room-home #readingQuote{margin-top:7px;font-size:16px}
  body.reading-room-home .quote-frame-caption{padding-top:7px}
  body.reading-room-home .stat-band{grid-template-columns:repeat(4,minmax(0,1fr));min-height:60px;margin-top:10px}
  body.reading-room-home .stat-item{min-height:58px;padding:7px 3px;gap:5px}
  body.reading-room-home .stat-item::after{display:none}
  body.reading-room-home .stat-icon{width:29px;height:29px;flex-basis:29px;font-size:12px}
  body.reading-room-home .stat-item b{font-size:16px}
  body.reading-room-home .stat-item small{font-size:6.7px;white-space:normal}
  body.reading-room-home .hub-search-zone{padding:7px 0}
  body.reading-room-home .hub-search-zone .search-shell{width:calc(100% - 24px)}
  body.reading-room-home .hub-search{min-height:50px;padding:10px 12px}
  body.reading-room-home .hub-main{padding-top:15px}
  body.reading-room-home .section-head{margin-top:8px}
  body.reading-room-home .exam-grid{gap:12px}
  body.reading-room-home .exam-card,
  body.reading-room-home .exam-card:last-child{min-height:0;padding:20px 18px 19px 27px}
}

@media(max-width:430px){
  body.reading-room-home .reading-plaque{min-height:166px}
  body.reading-room-home .atlas-preview-card,
  body.reading-room-home .reading-lamp{height:188px;min-height:188px}
  body.reading-room-home .atlas-preview-card{grid-template-rows:94px minmax(0,1fr)}
  body.reading-room-home .atlas-preview-visual{min-height:94px}
  body.reading-room-home .atlas-preview-copy strong{font-size:14px}
  body.reading-room-home .reading-lamp::before{display:none}
  body.reading-room-home .study-board{width:86px;height:105px;transform:rotate(-1.5deg)}
  body.reading-room-home .sticky-rank{width:43px;font-size:8.2px}
  body.reading-room-home .lamp-theme-hint{padding:4px 6px}
  body.reading-room-home .quote-frame{min-height:126px}
}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto!important}
  body.reading-room-home *,
  body.reading-room-home *::before,
  body.reading-room-home *::after{
    scroll-behavior:auto!important;
    transition-duration:.01ms!important;
    animation-duration:.01ms!important;
    animation-iteration-count:1!important;
  }
  body.reading-room-home .atlas-preview-globe{animation:none!important}
}

/* Approved reference-fidelity stage, local preview 2026-09-04. */
body.reading-room-home{
  --room-reference-width:1672;
  --room-reference-crop-top:80;
  --room-reference-height:610;
  --room-parchment-mask:linear-gradient(145deg,rgba(255,250,229,.9),rgba(226,190,132,.93)),#e8cc99;
  --room-brass:#a9762a;
  --room-ink:#2b1b0d;
  --nav-h:clamp(64px,4.7847vw,80px);
  --pd-nav-h:clamp(64px,4.7847vw,80px);
  overflow-x:hidden;
  background:#e8d0a4;
}
body.reading-room-home .pd-unav,
body.reading-room-home .kh-top{
  height:clamp(64px,4.7847vw,80px);
  min-height:clamp(64px,4.7847vw,80px);
  background:#061426;
  border-bottom:1px solid rgba(203,156,77,.34);
  box-shadow:0 4px 18px rgba(8,12,18,.3);
}
body.reading-room-home .pd-unav__inner,
body.reading-room-home .kh-nav{width:min(1580px,calc(100% - 72px))}
body.reading-room-home .pd-unav__links a,
body.reading-room-home .kh-links a{font-size:15px}
body.reading-room-home .knowledge-appearance-control{
  position:relative;
  z-index:9;
  top:auto;
  right:auto;
  display:block;
  min-width:0;
  height:100%;
}
body.reading-room-home .knowledge-appearance-button{
  position:relative;
  display:grid;
  place-items:center;
  width:100%;
  min-width:44px;
  height:100%;
  min-height:44px;
  padding:0;
  overflow:hidden;
  border:1px solid #a9772d;
  border-radius:8px;
  background:var(--room-parchment-mask);
  color:#3a2714;
  box-shadow:inset 0 0 0 3px rgba(107,65,22,.1),0 2px 5px rgba(28,14,6,.42);
  font-size:0;
}
body.reading-room-home .knowledge-appearance-button::after{display:none}
body.reading-room-home .knowledge-appearance-button svg{display:block;width:21px;height:21px}

body.reading-room-home .reading-room-stage{
  position:relative;
  width:100%;
  height:36.4833vw;
  min-height:0;
  isolation:isolate;
  background:#4b2a16;
}
body.reading-room-home .room-reference-window{
  position:absolute;
  z-index:0;
  inset:0;
  overflow:hidden;
  pointer-events:none;
  background:#4b2a16;
}
body.reading-room-home .room-reference-art{
  position:absolute;
  top:-4.7847vw;
  left:0;
  display:block;
  width:100%;
  height:auto;
  max-width:none;
  object-fit:cover;
  object-position:center -80px;
  object-position:center center;
  filter:saturate(1.02) contrast(1.015);
  transform:translateZ(0);
  transition:filter .35s ease;
}
body.reading-room-home .reading-room-stage::after{
  content:"";
  position:absolute;
  z-index:1;
  inset:0;
  pointer-events:none;
  background:linear-gradient(90deg,rgba(38,18,8,.05),transparent 17%,transparent 84%,rgba(31,15,7,.05));
  box-shadow:inset 0 -2px 0 rgba(52,25,9,.7);
}
body.reading-room-home .reading-room-stage .hub-hero{
  position:absolute;
  z-index:3;
  inset:0;
  padding:0;
  overflow:visible;
  border:0;
  background:transparent;
}
body.reading-room-home .reading-room-stage .hub-hero::after{display:none}
body.reading-room-home .reading-room-stage .hub-hero-grid{
  position:absolute;
  inset:0;
  display:grid;
  grid-template-areas:"quote atlas title lamp";
  grid-template-columns:16.3% 24.1% 23.8% 35.8%;
  gap:0;
  width:100%;
  height:100%;
  min-height:0;
}
body.reading-room-home .scene-quote-overlay,
body.reading-room-home .scene-atlas-hotspot,
body.reading-room-home .scene-clock-overlay,
body.reading-room-home .scene-lamp-hotspot{
  grid-area:auto;
  grid-column:auto;
  grid-row:auto;
}

body.reading-room-home .scene-quote-overlay{
  position:absolute;
  top:14.7%;
  left:2.12%;
  width:12.12%;
  height:45.8%;
  min-height:0;
  border:0;
  border-radius:0;
  background:transparent;
  box-shadow:none;
  transform:none;
}
body.reading-room-home .scene-quote-overlay::before,
body.reading-room-home .scene-quote-overlay::after{display:none}
body.reading-room-home .scene-quote-overlay .quote-frame-inner{
  position:absolute;
  inset:6.8% 7% 5.1%;
  margin:0;
  padding:12% 8%;
  border:0;
  border-radius:1px;
  background:var(--room-parchment-mask);
  color:var(--room-ink);
  box-shadow:inset 0 0 24px rgba(95,52,17,.16);
}
body.reading-room-home .scene-quote-overlay .quote-frame-inner::before{display:none}
body.reading-room-home .scene-quote-overlay .quote-kicker,
body.reading-room-home .scene-quote-overlay .quote-frame-caption{display:none}
body.reading-room-home .scene-quote-overlay #readingQuote{
  display:block;
  margin:0;
  font:400 clamp(15px,1.5vw,26px)/1.68 "Times New Roman",Georgia,serif;
  letter-spacing:-.035em;
  text-transform:none;
  text-wrap:balance;
}
body.reading-room-home .scene-quote-overlay #readingQuote::after{
  content:"";
  display:block;
  width:58px;
  height:9px;
  margin:26px auto 0;
  background:linear-gradient(90deg,transparent 0 8%,#9b7440 8% 42%,transparent 42% 58%,#9b7440 58% 92%,transparent 92%);
  opacity:.72;
}

body.reading-room-home .scene-atlas-hotspot{
  position:absolute;
  top:1.1%;
  left:16.65%;
  width:23.35%;
  height:64.1%;
  min-height:0;
  overflow:visible;
  border:0;
  border-radius:18% 18% 1% 1%;
  background:transparent;
  box-shadow:none;
}
body.reading-room-home .scene-atlas-hotspot::before{display:none}
body.reading-room-home .scene-atlas-hotspot>*{visibility:hidden}
body.reading-room-home .scene-atlas-hotspot:hover{transform:none;box-shadow:inset 0 0 0 2px rgba(241,196,99,.42)}

body.reading-room-home .scene-clock-overlay{
  position:absolute;
  top:11.6%;
  left:41.42%;
  display:block;
  width:22.22%;
  height:47.1%;
  min-height:0;
  padding:0;
  border:0;
  border-radius:2px;
  background:transparent;
  color:var(--room-ink);
  box-shadow:none;
  pointer-events:none;
}
body.reading-room-home .scene-clock-overlay::before,
body.reading-room-home .scene-clock-overlay::after{display:none}
body.reading-room-home .scene-clock-overlay #heroTitle{
  position:absolute;
  top:5%;
  left:50%;
  width:80%;
  height:27%;
  margin:0;
  padding:0;
  overflow:hidden;
  opacity:0;
  transform:translateX(-50%);
  border:0;
  white-space:nowrap;
  pointer-events:none;
}
body.reading-room-home .scene-clock-overlay .ist-clock{
  position:absolute;
  top:38.4%;
  left:50%;
  width:auto;
  margin:0;
  transform:translateX(-50%);
  gap:5px;
}
body.reading-room-home .scene-clock-overlay .ist-clock-face{
  width:clamp(78px,8.65vw,148px);
  height:clamp(78px,8.65vw,148px);
  border:2px solid #a87831;
  background:
    radial-gradient(circle at 50% 50%,rgba(255,250,231,.95) 0 64%,transparent 65%),
    repeating-conic-gradient(from -1deg,#72501f 0 1deg,transparent 1deg 30deg),
    #ead09d;
  box-shadow:inset 0 0 0 7px rgba(174,121,43,.15),0 4px 8px rgba(73,40,13,.14);
}
body.reading-room-home .scene-clock-overlay .ist-clock-face::before{inset:7px;border-color:#bd8b40}
body.reading-room-home .scene-clock-overlay .clock-number{color:#432a13;font:700 clamp(8px,.83vw,14px)/1 Georgia,serif}
body.reading-room-home .scene-clock-overlay .clock-number-12{top:12%}
body.reading-room-home .scene-clock-overlay .clock-number-3{right:12%}
body.reading-room-home .scene-clock-overlay .clock-number-6{bottom:11%}
body.reading-room-home .scene-clock-overlay .clock-number-9{left:12%}
body.reading-room-home .scene-clock-overlay .clock-hour{height:28%;width:4px;margin-left:-2px;background:#10263a}
body.reading-room-home .scene-clock-overlay .clock-minute{height:38%;width:3px;margin-left:-1.5px;background:#10263a}
body.reading-room-home .scene-clock-overlay .clock-second{height:41%;background:#b15a2e}
body.reading-room-home .scene-clock-overlay .clock-pin{width:9px;height:9px;border-color:#d9b45f;background:#10263a}
body.reading-room-home .scene-clock-overlay .ist-clock-caption{
  display:none;
  color:#5a3518;
  font:600 clamp(8px,.7vw,12px)/1 Georgia,serif;
  letter-spacing:.14em;
  text-transform:uppercase;
}

body.reading-room-home .scene-lamp-hotspot{
  position:absolute;
  top:1.2%;
  left:64.55%;
  width:33.3%;
  height:64.8%;
  min-height:0;
  overflow:visible;
  border:0;
  border-radius:16% 16% 1% 1%;
  background:transparent;
  box-shadow:none;
}
body.reading-room-home .scene-lamp-hotspot::before{display:none}
body.reading-room-home .scene-lamp-hotspot::after{
  right:10%;
  bottom:9%;
  width:54%;
  height:66%;
  opacity:0;
  background:radial-gradient(ellipse at 48% 28%,rgba(255,228,154,.42),rgba(224,153,50,.12) 44%,transparent 70%);
  filter:blur(4px);
  transition:opacity .3s ease;
}
body.reading-room-home .scene-lamp-hotspot .hero-art{visibility:hidden}
body.reading-room-home .scene-lamp-hotspot:hover{transform:none;box-shadow:inset 0 0 0 2px rgba(241,196,99,.32)}

body.reading-room-home .scene-stats-overlay{
  position:absolute;
  z-index:5;
  top:70.15%;
  left:18.2%;
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:2.25%;
  width:67.65%;
  height:11.8%;
  min-height:0;
  margin:0;
  overflow:visible;
  border:0;
  background:transparent;
  box-shadow:none;
}
body.reading-room-home .scene-stats-overlay .stat-item{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  min-height:0;
  height:100%;
  padding:5px 8px;
  border:1px solid #a9762a;
  border-radius:2px;
  background:var(--room-parchment-mask);
  color:var(--room-ink);
  box-shadow:inset 0 0 0 3px rgba(116,70,25,.09),0 2px 4px rgba(31,16,8,.35);
}
body.reading-room-home .scene-stats-overlay .stat-item+.stat-item::before,
body.reading-room-home .scene-stats-overlay .stat-item::after{display:none}
body.reading-room-home .scene-stats-overlay .stat-icon{
  width:clamp(30px,2.65vw,45px);
  height:clamp(30px,2.65vw,45px);
  flex:0 0 clamp(30px,2.65vw,45px);
  border:1px solid #b78334;
  border-radius:50%;
  background:#1c211d!important;
  color:#e4b652!important;
  font-size:clamp(13px,1.15vw,20px);
  box-shadow:0 2px 5px rgba(39,20,6,.3);
}
body.reading-room-home .scene-stats-overlay .stat-item b{
  color:#211408;
  font:600 clamp(17px,1.75vw,30px)/.95 Georgia,serif;
}
body.reading-room-home .scene-stats-overlay .stat-item small{
  margin-top:4px;
  color:#412a16;
  font:500 clamp(7px,.7vw,12px)/1.1 Georgia,serif;
  letter-spacing:0;
}

body.reading-room-home .scene-search-overlay{
  position:absolute;
  z-index:7;
  top:86.35%;
  left:16.8%;
  width:70.1%;
  height:13.2%;
  padding:1.15% 1.9% 1.4%;
  border:0;
  background:transparent;
  backdrop-filter:none;
}
body.reading-room-home .scene-search-overlay .search-shell{
  position:relative;
  display:grid;
  grid-template-columns:minmax(0,1fr) clamp(48px,3.5vw,58px) clamp(92px,7.1vw,118px);
  gap:12px;
  width:100%;
  height:100%;
  margin:0;
}
body.reading-room-home .scene-search-overlay .hub-search{
  position:relative;
  min-height:44px;
  height:100%;
  padding:0 20px;
  border:1px solid #9d6b25;
  border-radius:8px;
  background:var(--room-parchment-mask);
  box-shadow:inset 0 0 0 3px rgba(107,65,22,.12),0 2px 5px rgba(28,14,6,.42);
}
body.reading-room-home .scene-search-overlay .hub-search::before{display:none}
body.reading-room-home .scene-search-overlay .hub-search>span{
  color:#382514;
  font-size:clamp(22px,2vw,34px);
}
body.reading-room-home .scene-search-overlay .hub-search input{
  color:#2b1b0d;
  font:500 clamp(12px,1.25vw,20px)/1 var(--sans);
}
body.reading-room-home .scene-search-overlay .hub-search input::placeholder{color:#7a6245;opacity:.9}
body.reading-room-home .scene-search-overlay .hub-search kbd{display:none}
body.reading-room-home .scene-search-overlay .exam-filter-button{
  position:relative;
  top:auto;
  right:auto;
  display:flex;
  align-items:center;
  justify-content:flex-start;
  gap:16%;
  width:100%;
  height:100%;
  min-height:44px;
  padding:0 14%;
  border:1px solid #a9772d;
  border-radius:8px;
  background:var(--room-parchment-mask);
  color:#3a2714;
  box-shadow:inset 0 0 0 3px rgba(107,65,22,.1),0 2px 5px rgba(28,14,6,.42);
}
body.reading-room-home .scene-search-overlay .exam-filter-button::after{
  content:"All⌄";
  font:600 clamp(11px,1.15vw,18px)/1 Georgia,serif;
  white-space:nowrap;
}
body.reading-room-home .scene-search-overlay .exam-filter-menu,
body.reading-room-home .scene-search-overlay .search-live{top:calc(100% + 8px);z-index:30}

body.reading-room-home[data-theme="dark"]{--room-parchment-mask:linear-gradient(145deg,rgba(72,54,34,.96),rgba(43,31,22,.98)),#3d2e20}
body.reading-room-home[data-theme="dark"] .room-reference-art{filter:brightness(.43) saturate(.73) sepia(.18) contrast(1.08)}
body.reading-room-home[data-theme="dark"] .reading-room-stage::after{background:linear-gradient(90deg,rgba(0,0,0,.34),rgba(0,0,0,.12) 63%,rgba(22,10,2,.08))}
body.reading-room-home[data-theme="dark"] .scene-clock-overlay{border:0;background:transparent;box-shadow:none}
body.reading-room-home[data-theme="dark"] .scene-lamp-hotspot[aria-pressed="true"]::after{
  right:24%;
  bottom:6%;
  width:58%;
  height:62%;
  opacity:.62;
  background:radial-gradient(ellipse at 52% 26%,rgba(255,228,154,.36),rgba(224,153,50,.12) 42%,transparent 69%);
  filter:blur(6px);
}
body.reading-room-home[data-theme="dark"] .scene-clock-overlay #heroTitle,
body.reading-room-home[data-theme="dark"] .scene-quote-overlay,
body.reading-room-home[data-theme="dark"] .scene-stats-overlay .stat-item b,
body.reading-room-home[data-theme="dark"] .scene-search-overlay .hub-search input{color:#f1d8a2}
body.reading-room-home[data-theme="dark"] .scene-stats-overlay .stat-item small,
body.reading-room-home[data-theme="dark"] .scene-clock-overlay .ist-clock-caption{color:#d8bc84}
body.reading-room-home[data-theme="dark"] .scene-search-overlay .hub-search input::placeholder{color:#c6ab7d}
body.reading-room-home[data-theme="dark"] .scene-search-overlay .exam-filter-button{color:#efd39c}
body.reading-room-home[data-theme="dark"] .scene-search-overlay .knowledge-appearance-button{color:#efd39c}
body.reading-room-home[data-theme="dark"] .scene-quote-overlay .quote-frame-inner{color:#f1d8a2}

body.reading-room-home .hub-main{
  position:relative;
  z-index:2;
  padding:0 0 68px;
  border-top:1px solid #8d5c27;
  background:
    radial-gradient(circle at 15% 5%,rgba(255,255,255,.28),transparent 25%),
    repeating-linear-gradient(6deg,rgba(99,58,26,.018) 0 1px,transparent 1px 4px),
    linear-gradient(110deg,#e5c78e,#f1dab0 48%,#dfbd80);
  box-shadow:inset 0 10px 28px rgba(100,55,17,.17);
}
body.reading-room-home .hub-main>.kh-wrap{width:min(1420px,calc(100% - 64px))}
body.reading-room-home #exams{padding-top:7px}
body.reading-room-home .section-head{
  position:relative;
  display:flex;
  align-items:center;
  gap:18px;
  margin:0 0 5px;
  min-height:44px;
}
body.reading-room-home .section-head::after{
  content:"";
  flex:1;
  height:1px;
  background:linear-gradient(90deg,#926a34,transparent);
}
body.reading-room-home .section-head .label,
body.reading-room-home .section-head>p{display:none}
body.reading-room-home .section-head h2{
  display:flex;
  align-items:center;
  gap:13px;
  margin:0;
  color:#3b2411;
  font:600 clamp(24px,2.25vw,38px)/1.05 Georgia,"Times New Roman",serif;
  letter-spacing:-.035em;
}
body.reading-room-home .section-head h2::before{
  content:"";
  width:74px;
  height:1px;
  background:#926a34;
  box-shadow:0 -5px 0 -4px #926a34,0 5px 0 -4px #926a34;
}
body.reading-room-home .exam-grid{
  display:flex;
  flex-wrap:nowrap;
  align-items:flex-start;
  gap:42px;
  width:100%;
  margin:-8px 0 0;
  padding:4px 34px 74px;
  overflow-x:auto;
  overflow-y:hidden;
  justify-content:flex-start;
  scroll-snap-type:x proximity;
  scroll-padding-inline:34px;
  scrollbar-color:#9e7137 rgba(94,54,22,.13);
}
body.reading-room-home .exam-card,
body.reading-room-home .exam-card:last-child{
  position:relative;
  display:block;
  flex:0 0 232px;
  width:232px;
  min-height:330px;
  height:330px;
  padding:0;
  overflow:visible;
  border:0;
  border-radius:5px 13px 13px 5px;
  background:transparent;
  color:#efd18a;
  box-shadow:none;
  scroll-snap-align:start;
  transform:perspective(900px) rotateY(1deg) rotateZ(-.35deg);
  transform-origin:left bottom;
}
body.reading-room-home [data-exam-card="upsc"]{order:1}
body.reading-room-home [data-exam-card="banking"]{order:2}
body.reading-room-home [data-exam-card="ssc-cgl"]{order:3}
body.reading-room-home [data-exam-card="rrb-ntpc"]{order:4}
body.reading-room-home [data-exam-card="teaching"]{order:5}
body.reading-room-home [data-exam-card="jee"]{order:6}
body.reading-room-home [data-exam-card="neet"]{order:7}
body.reading-room-home .exam-card::before{
  content:"";
  position:absolute;
  z-index:5;
  top:4px;
  bottom:3px;
  left:17px;
  width:3px;
  background:linear-gradient(90deg,rgba(0,0,0,.42),rgba(241,204,121,.55),rgba(0,0,0,.18));
  box-shadow:6px 0 11px rgba(0,0,0,.2);
}
body.reading-room-home .exam-card::after{
  content:"";
  position:absolute;
  z-index:6;
  inset:7px 7px 8px 8px;
  border:1px solid rgba(225,184,94,.52);
  border-radius:2px 9px 9px 2px;
  background:transparent;
  pointer-events:none;
}
body.reading-room-home .exam-book-pages{
  position:absolute;
  z-index:0;
  left:8px;
  right:-7px;
  bottom:-9px;
  height:20px;
  border-radius:0 5px 10px 3px;
  background:repeating-linear-gradient(0deg,#e5d0a1 0 2px,#ae8e5c 2px 3px);
  box-shadow:0 7px 13px rgba(50,27,11,.35);
  transform:skewX(-8deg);
}
body.reading-room-home .exam-book-cover{
  position:absolute;
  z-index:2;
  inset:0;
  display:flex;
  flex-direction:column;
  align-items:center;
  padding:17px 25px 21px 30px;
  overflow:hidden;
  border:2px solid color-mix(in srgb,var(--book-edge) 80%,#211307);
  border-radius:5px 13px 13px 5px;
  background:
    radial-gradient(ellipse at 23% 16%,rgba(255,255,255,.11),transparent 36%),
    repeating-linear-gradient(90deg,rgba(255,255,255,.025) 0 1px,transparent 1px 3px),
    repeating-linear-gradient(7deg,rgba(0,0,0,.025) 0 1px,transparent 1px 5px),
    var(--exam);
  box-shadow:inset 0 0 0 3px rgba(233,190,99,.09),inset -10px 0 18px rgba(0,0,0,.15),0 13px 21px rgba(54,29,12,.28);
}
body.reading-room-home .exam-book-cover::before{
  content:"";
  position:absolute;
  inset:10px 11px;
  border:1px solid rgba(230,189,95,.32);
  border-radius:2px 7px 7px 2px;
  pointer-events:none;
}
body.reading-room-home .exam-card .topline{
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:flex-start;
  gap:23px;
  width:100%;
}
body.reading-room-home .exam-card .live-pill{
  align-self:flex-start;
  margin-left:-10px;
  padding:3px 7px;
  border:1px solid #5aa8d1;
  border-radius:2px;
  background:#0e67a4;
  color:#eef8ff;
  font-size:8px;
  letter-spacing:.08em;
}
body.reading-room-home .exam-card .live-pill[data-state="soon"]{border-color:#c59852;background:#ae7930;color:#1c1208}
body.reading-room-home .exam-card .exam-icon{
  display:grid;
  place-items:center;
  width:54px;
  height:54px;
  border:1px solid rgba(232,190,96,.55);
  border-radius:50%;
  background:rgba(10,9,7,.17);
  color:#e5bd67;
  font-size:27px;
  box-shadow:inset 0 0 0 4px rgba(222,179,85,.06);
}
body.reading-room-home .exam-card h3{
  margin:20px 0 0;
  color:#e8c878;
  font:600 23px/1.18 Georgia,"Times New Roman",serif;
  letter-spacing:.025em;
  text-align:center;
  text-transform:uppercase;
  text-shadow:0 1px 1px rgba(0,0,0,.7);
}
body.reading-room-home .exam-book-rule{
  display:block;
  width:78px;
  height:1px;
  margin:15px auto 12px;
  background:linear-gradient(90deg,transparent,#c99b45 18% 82%,transparent);
}
body.reading-room-home .exam-book-subtitle{
  color:#e6c579;
  font:600 12px/1.3 Georgia,serif;
  letter-spacing:.07em;
  text-align:center;
}
body.reading-room-home .exam-card .count{
  margin-top:auto;
  color:#d5b36b;
  font-size:9px;
  font-weight:600;
  letter-spacing:.03em;
  text-align:center;
}
body.reading-room-home .exam-card .exam-open{
  display:flex;
  width:100%;
  margin-top:9px;
  padding-top:9px;
  border-top:1px solid rgba(229,189,98,.28);
  color:#f0cf81;
  font-size:9px;
}
body.reading-room-home .exam-book-tabs{
  position:absolute;
  z-index:1;
  top:42px;
  right:-25px;
  display:flex;
  flex-direction:column;
  gap:3px;
}
body.reading-room-home .exam-book-tabs span{
  display:flex;
  align-items:center;
  justify-content:center;
  width:31px;
  height:62px;
  border:1px solid rgba(58,34,13,.72);
  border-left:0;
  border-radius:0 5px 5px 0;
  background:linear-gradient(90deg,var(--book-edge),color-mix(in srgb,var(--book-edge) 72%,#d59c3b));
  color:#f2d584;
  font:700 8px/1 var(--sans);
  letter-spacing:.03em;
  writing-mode:vertical-rl;
  box-shadow:3px 3px 5px rgba(52,27,9,.28);
}
body.reading-room-home .exam-card:hover{
  z-index:10;
  transform:perspective(900px) translateY(-7px) rotateY(-2deg) rotateZ(0);
  box-shadow:none;
}
body.reading-room-home .exam-card:focus-visible{outline:3px solid #165ea3;outline-offset:6px}
body.reading-room-home .exam-card.is-selected .exam-book-cover{box-shadow:inset 0 0 0 3px rgba(246,207,111,.35),0 0 0 3px #e4b957,0 16px 24px rgba(54,29,12,.32)}
body.reading-room-home .notes-section,
body.reading-room-home .trust-strip{position:relative;z-index:2}
body.reading-room-home[data-theme="dark"] .hub-main{
  background:repeating-linear-gradient(6deg,rgba(255,255,255,.012) 0 1px,transparent 1px 4px),linear-gradient(110deg,#241b13,#342516 48%,#1c1713);
}
body.reading-room-home[data-theme="dark"] .section-head h2{color:#efd8aa}

@media(max-width:1050px) and (min-width:761px){
  body.reading-room-home{--nav-h:clamp(64px,4.7847vw,80px);--pd-nav-h:clamp(64px,4.7847vw,80px)}
  body.reading-room-home .pd-unav,
  body.reading-room-home .kh-top{height:var(--nav-h);min-height:var(--nav-h)}
  body.reading-room-home .scene-quote-overlay #readingQuote{font-size:clamp(11px,1.42vw,15px)}
  body.reading-room-home .scene-quote-overlay #readingQuote::after{margin-top:12px}
  body.reading-room-home .scene-clock-overlay{padding-top:4.2%}
  body.reading-room-home .scene-clock-overlay #heroTitle{font-size:clamp(19px,2.25vw,24px)}
  body.reading-room-home .scene-clock-overlay .ist-clock{margin-top:4%}
  body.reading-room-home .scene-stats-overlay .stat-item{gap:5px;padding-inline:3px}
  body.reading-room-home .scene-stats-overlay .stat-icon{width:30px;height:30px;flex-basis:30px}
  body.reading-room-home .scene-search-overlay .hub-search{padding-inline:11px}
}

@media(max-width:760px){
  body.reading-room-home{
    --nav-h:64px;
    --pd-nav-h:64px;
    --room-parchment-mask:linear-gradient(145deg,#f4e5c5,#dcb77c),#ead09d;
  }
  body.reading-room-home .pd-unav,
  body.reading-room-home .kh-top{height:64px;min-height:64px}
  body.reading-room-home .pd-unav__inner,
  body.reading-room-home .kh-nav{width:calc(100% - 24px)}
  body.reading-room-home .knowledge-appearance-control{
    position:relative;
    z-index:9;
    top:auto;
    right:auto;
    display:block;
    height:52px;
  }
  body.reading-room-home .knowledge-appearance-button{
    width:44px;
    min-width:44px;
    height:52px;
    min-height:52px;
    border:1px solid #a9772d;
    border-radius:8px;
    background:var(--room-parchment-mask);
    color:#3a2714;
    box-shadow:inset 0 0 0 3px rgba(107,65,22,.1),0 2px 5px rgba(28,14,6,.42);
  }
  body.reading-room-home .knowledge-appearance-button::after{display:none}
  body.reading-room-home .room-reference-window,
  body.reading-room-home .room-reference-art{display:none}
  body.reading-room-home .reading-room-stage{
    width:100%;
    height:auto;
    min-height:44px;
    padding:12px 12px 14px;
    background:
      radial-gradient(ellipse at 79% 31%,rgba(245,185,76,.2),transparent 29%),
      repeating-linear-gradient(90deg,rgba(255,255,255,.025) 0 1px,transparent 1px 5px),
      linear-gradient(145deg,#311b12,#704426 54%,#392016);
  }
  body.reading-room-home .reading-room-stage::after{box-shadow:inset 0 0 0 2px rgba(231,190,108,.16)}
  body.reading-room-home .reading-room-stage .hub-hero{
    position:relative;
    inset:auto;
    padding:0;
  }
  body.reading-room-home .reading-room-stage .hub-hero-grid,
  body.reading-room-home[data-knowledge-appearance="focus"] .hub-hero-grid{
    position:relative;
    inset:auto;
    display:grid;
    grid-template-areas:"title title" "atlas lamp" "quote quote";
    grid-template-columns:minmax(0,1fr) minmax(0,1fr);
    gap:11px;
    width:100%;
    height:auto;
    min-height:44px;
  }
  body.reading-room-home .scene-clock-overlay,
  body.reading-room-home .scene-atlas-hotspot,
  body.reading-room-home .scene-lamp-hotspot,
  body.reading-room-home .scene-quote-overlay{
    position:relative;
    inset:auto;
    width:100%;
    height:auto;
    min-height:44px;
  }
  body.reading-room-home .scene-clock-overlay{
    grid-area:title;
    display:flex;
    flex-direction:column;
    align-items:center;
    justify-content:flex-start;
    min-height:174px;
    padding:18px 12px 12px;
    border:6px solid #3d2416;
    border-radius:5px;
    background:var(--room-parchment-mask);
    box-shadow:inset 0 0 0 2px #b17a30,0 8px 16px rgba(16,8,3,.35);
    pointer-events:auto;
  }
  body.reading-room-home .scene-clock-overlay #heroTitle{
    position:static;
    top:auto;
    left:auto;
    width:auto;
    height:auto;
    max-width:100%;
    margin:0;
    overflow:visible;
    opacity:1;
    transform:none;
    clip:auto;
    clip-path:none;
    color:var(--room-ink);
    font:400 clamp(28px,8.35vw,36px)/1.05 "Times New Roman",Georgia,serif;
    letter-spacing:-.025em;
    white-space:normal;
    text-align:center;
  }
  body.reading-room-home .scene-clock-overlay .ist-clock{position:relative;top:auto;left:auto;margin-top:9px;transform:none}
  body.reading-room-home .scene-clock-overlay .ist-clock-face{width:76px;height:76px}
  body.reading-room-home .scene-clock-overlay .ist-clock-caption{display:block;font-size:7px}
  body.reading-room-home .scene-atlas-hotspot{
    grid-area:atlas;
    display:grid;
    grid-template-rows:98px minmax(0,1fr);
    min-height:198px;
    overflow:hidden;
    border:1px solid #5d4a34;
    border-radius:48px 48px 8px 8px;
    background:linear-gradient(160deg,#071626,#0d355d 59%,#071420);
    box-shadow:inset 0 0 0 4px rgba(221,179,93,.08),0 9px 18px rgba(14,7,3,.4);
  }
  body.reading-room-home .scene-atlas-hotspot::before{display:block}
  body.reading-room-home .scene-atlas-hotspot>*{visibility:visible}
  body.reading-room-home .scene-atlas-hotspot .atlas-preview-visual{min-height:98px}
  body.reading-room-home .scene-atlas-hotspot .atlas-preview-copy{padding:8px 9px 10px}
  body.reading-room-home .scene-atlas-hotspot .atlas-preview-copy small{font-size:5.5px}
  body.reading-room-home .scene-atlas-hotspot .atlas-preview-copy strong{font-size:15px}
  body.reading-room-home .scene-atlas-hotspot .atlas-preview-copy>span{display:none}
  body.reading-room-home .scene-atlas-hotspot .atlas-preview-copy>b{font-size:7px}
  body.reading-room-home .scene-lamp-hotspot{
    grid-area:lamp;
    display:flex;
    min-height:198px;
    overflow:hidden;
    border:1px solid #5d4a34;
    border-radius:48px 48px 8px 8px;
    background:#101113;
    box-shadow:inset 0 0 0 4px rgba(221,179,93,.08),0 9px 18px rgba(14,7,3,.4);
  }
  body.reading-room-home .scene-lamp-hotspot .hero-art{visibility:visible;min-height:198px}
  body.reading-room-home .scene-lamp-hotspot::after{opacity:.52}
  body.reading-room-home .scene-lamp-hotspot .study-board{width:83px;height:102px}
  body.reading-room-home .scene-lamp-hotspot .sticky-rank{width:40px;font-size:7px}
  body.reading-room-home .scene-quote-overlay{
    grid-area:quote;
    min-height:144px;
    border:8px solid #2f190e;
    border-radius:5px;
    background:#54321f;
    box-shadow:inset 0 0 0 2px #bd8431,0 9px 18px rgba(14,7,3,.38);
  }
  body.reading-room-home .scene-quote-overlay .quote-frame-inner{
    position:relative;
    inset:auto;
    min-height:126px;
    margin:5px;
    padding:17px;
  }
  body.reading-room-home .scene-quote-overlay #readingQuote{font-size:17px;line-height:1.38}
  body.reading-room-home .scene-quote-overlay #readingQuote::after{margin-top:13px}
  body.reading-room-home .scene-stats-overlay{
    position:relative;
    inset:auto;
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:8px;
    width:100%;
    height:auto;
    min-height:44px;
    margin-top:11px;
    padding:8px;
    border:2px solid #2b170d;
    border-radius:7px;
    background:linear-gradient(90deg,#4e2c1b,#2f1a12,#56321e);
    box-shadow:inset 0 0 0 2px rgba(219,177,91,.22),0 8px 15px rgba(16,8,3,.35);
  }
  body.reading-room-home .scene-stats-overlay .stat-item{min-height:62px;padding:7px}
  body.reading-room-home .scene-stats-overlay .stat-item b{font-size:20px}
  body.reading-room-home .scene-stats-overlay .stat-item small{font-size:8px}
  body.reading-room-home .scene-search-overlay{
    position:relative;
    inset:auto;
    width:100%;
    height:auto;
    margin-top:10px;
    padding:9px;
    border:2px solid #26140b;
    border-radius:8px;
    background:linear-gradient(180deg,#57321f,#29170f);
    box-shadow:inset 0 0 0 2px rgba(219,177,91,.17),0 8px 15px rgba(16,8,3,.35);
  }
  body.reading-room-home .scene-search-overlay .search-shell{grid-template-columns:minmax(0,1fr) 44px 44px;gap:7px;height:52px}
  body.reading-room-home .scene-search-overlay .hub-search{min-height:52px;padding:0 12px}
  body.reading-room-home .scene-search-overlay .hub-search input{font-size:12px}
  body.reading-room-home .scene-search-overlay .exam-filter-button{min-height:52px;padding:0;justify-content:center}
  body.reading-room-home .scene-search-overlay .exam-filter-button::after{display:none}
  body.reading-room-home .hub-main{padding-bottom:42px}
  body.reading-room-home .hub-main>.kh-wrap{width:calc(100% - 24px)}
  body.reading-room-home #exams{padding-top:10px}
  body.reading-room-home .section-head{min-height:44px}
  body.reading-room-home .section-head h2{font-size:28px}
  body.reading-room-home .section-head h2::before{width:30px}
  body.reading-room-home .exam-grid{
    gap:32px;
    margin-top:0;
    padding:5px 18px 40px;
    scroll-padding-inline:18px;
  }
  body.reading-room-home .exam-card,
  body.reading-room-home .exam-card:last-child{flex-basis:220px;width:220px;min-height:310px;height:310px}
  body.reading-room-home .exam-card h3{font-size:21px}
  body.reading-room-home .exam-book-tabs span{height:57px}
}

@media(max-width:430px){
  body.reading-room-home .reading-room-stage{padding-inline:10px}
  body.reading-room-home .scene-clock-overlay{min-height:150px;padding-top:13px}
  body.reading-room-home .scene-clock-overlay .ist-clock-face{width:70px;height:70px}
  body.reading-room-home .scene-atlas-hotspot,
  body.reading-room-home .scene-lamp-hotspot,
  body.reading-room-home .scene-lamp-hotspot .hero-art{min-height:174px;height:174px}
  body.reading-room-home .scene-atlas-hotspot{grid-template-rows:84px minmax(0,1fr)}
  body.reading-room-home .scene-atlas-hotspot .atlas-preview-copy strong{font-size:14px}
  body.reading-room-home .scene-quote-overlay{min-height:122px}
  body.reading-room-home .scene-quote-overlay .quote-frame-inner{min-height:104px;padding:13px}
  body.reading-room-home .scene-stats-overlay{padding:6px}
  body.reading-room-home .scene-stats-overlay .stat-item{min-height:54px}
  body.reading-room-home .scene-search-overlay{padding-block:7px}
}

/* Final optical alignment against the approved 1672 x 941 reference. */
@media(min-width:761px){
  body.reading-room-home .pd-unav__brand{font-size:22px}
  body.reading-room-home .pd-unav__links{gap:8px}
  body.reading-room-home .pd-unav__links a{padding:12px 15px;font-size:16px}
  body.reading-room-home .pd-unav__button{width:46px;height:46px}

  body.reading-room-home .scene-quote-overlay .quote-frame-inner{padding:15% 4% 8%}
  body.reading-room-home .scene-quote-overlay #readingQuote{
    font-size:clamp(15px,1.43vw,24px);
    line-height:1.66;
    letter-spacing:-.035em;
    text-wrap:wrap;
  }
  body.reading-room-home .scene-quote-overlay #readingQuote::after{
    content:"— ✤ —";
    width:auto;
    height:auto;
    margin-top:20px;
    background:none;
    color:#96703d;
    font:400 13px/1 Georgia,serif;
    letter-spacing:.18em;
  }

  body.reading-room-home .scene-stats-overlay .stat-item{
    background:
      radial-gradient(circle at 7px 7px,#5d3516 0 1px,#d6a552 1.5px 3px,transparent 3.5px),
      radial-gradient(circle at calc(100% - 7px) 7px,#5d3516 0 1px,#d6a552 1.5px 3px,transparent 3.5px),
      radial-gradient(circle at 7px calc(100% - 7px),#5d3516 0 1px,#d6a552 1.5px 3px,transparent 3.5px),
      radial-gradient(circle at calc(100% - 7px) calc(100% - 7px),#5d3516 0 1px,#d6a552 1.5px 3px,transparent 3.5px),
      var(--room-parchment-mask);
  }

  body.reading-room-home .section-head{
    min-height:34px;
    padding-left:clamp(33px,calc(299px - 15.83vw),83px);
  }
  body.reading-room-home .section-head h2{font-size:30px}
  body.reading-room-home .section-head h2::before{width:80px}
  body.reading-room-home .exam-card .topline{display:contents}
  body.reading-room-home .exam-card .live-pill{
    position:absolute;
    z-index:4;
    top:17px;
    left:22px;
    margin:0;
  }
  body.reading-room-home .exam-card .exam-icon{
    position:absolute;
    z-index:4;
    top:148px;
    left:50%;
    transform:translateX(-50%);
    filter:grayscale(1) sepia(1) saturate(1.15) brightness(1.15);
  }
  body.reading-room-home .exam-card h3{
    margin-top:20px;
    font-size:21px;
    line-height:1.18;
  }
  body.reading-room-home .exam-book-rule{margin:10px auto 8px}
  body.reading-room-home .exam-card .count,
  body.reading-room-home .exam-card .exam-open{display:none}
}

/* Mobile reading-room composition: reuse the approved scene as art-directed alcoves. */
@media(max-width:760px){
  body.reading-room-home .reading-room-stage{
    padding:12px 10px 14px;
    background:
      radial-gradient(ellipse at 78% 28%,rgba(244,183,78,.2),transparent 31%),
      repeating-linear-gradient(90deg,rgba(255,255,255,.025) 0 1px,transparent 1px 5px),
      linear-gradient(145deg,#301a11,#704426 54%,#382016);
  }
  body.reading-room-home .reading-room-stage .hub-hero-grid,
  body.reading-room-home[data-knowledge-appearance="focus"] .hub-hero-grid{
    grid-template-areas:
      "title title"
      "atlas lamp"
      "quote quote"
      "stats stats"
      "search search";
    grid-template-columns:repeat(2,minmax(0,1fr));
    grid-template-rows:142px 182px 118px 0 0;
    gap:0 10px;
    height:442px;
    min-height:442px;
  }
  body.reading-room-home .scene-clock-overlay{
    grid-area:title;
    width:100%;
    height:142px;
    min-height:142px;
    padding:11px 10px 7px;
  }
  body.reading-room-home .scene-clock-overlay #heroTitle{font-size:30px}
  body.reading-room-home .scene-clock-overlay .ist-clock{margin-top:5px}
  body.reading-room-home .scene-clock-overlay .ist-clock-face{width:66px;height:66px}

  body.reading-room-home .scene-atlas-hotspot,
  body.reading-room-home .scene-lamp-hotspot{
    width:100%;
    height:174px;
    min-height:174px;
    margin-top:8px;
    overflow:hidden;
    border:1px solid #76502e;
    border-radius:46px 46px 7px 7px;
    background-color:#25140c;
    background-image:url("/knowledge-hub/assets/reading-room-benchmark.png");
    background-repeat:no-repeat;
    background-size:auto 220%;
    box-shadow:
      inset 0 0 0 3px rgba(234,194,112,.14),
      inset 0 -18px 24px rgba(29,13,5,.2),
      0 8px 15px rgba(14,7,3,.38);
  }
  body.reading-room-home .scene-atlas-hotspot{
    grid-area:atlas;
    background-position:20% 15.5%;
  }
  body.reading-room-home .scene-lamp-hotspot{
    grid-area:lamp;
    background-position:95% 15.5%;
  }
  body.reading-room-home .scene-atlas-hotspot>*{visibility:hidden}
  body.reading-room-home .scene-lamp-hotspot .hero-art{display:none}
  body.reading-room-home .scene-atlas-hotspot::before{
    content:"WORLD ATLAS";
    top:8px;
    left:0;
    display:block;
    padding:5px 8px 5px 9px;
    border:1px solid rgba(90,54,19,.22);
    border-left:0;
    border-radius:0 5px 5px 0;
    background:#edcf8d;
    color:#22170d;
    font-size:9px;
    line-height:1;
    letter-spacing:.08em;
    box-shadow:0 2px 6px rgba(28,14,5,.25);
  }
  body.reading-room-home .scene-lamp-hotspot::before{
    content:"Tap lamp";
    position:absolute;
    z-index:8;
    top:auto;
    right:7px;
    bottom:7px;
    left:auto;
    display:block;
    width:auto;
    height:auto;
    padding:5px 8px;
    clip:auto;
    clip-path:none;
    border:1px solid rgba(255,229,170,.62);
    border-radius:999px;
    background:rgba(18,12,8,.82);
    color:#fff0c8;
    font:800 10px/1 var(--sans);
    letter-spacing:.055em;
    text-transform:uppercase;
    text-shadow:0 1px 1px #000;
    box-shadow:0 2px 8px rgba(0,0,0,.35);
    opacity:1;
    visibility:visible;
    pointer-events:none;
  }
  body.reading-room-home .scene-atlas-hotspot:focus-visible,
  body.reading-room-home .scene-lamp-hotspot:focus-visible{
    outline:3px solid #ffe09a;
    outline-offset:2px;
  }

  body.reading-room-home .scene-quote-overlay{
    grid-area:quote;
    width:100%;
    height:110px;
    min-height:110px;
    margin-top:8px;
    border-width:7px;
  }
  body.reading-room-home .scene-quote-overlay .quote-frame-inner{
    min-height:92px;
    margin:4px;
    padding:10px 12px;
  }
  body.reading-room-home .scene-quote-overlay #readingQuote{font-size:16px;line-height:1.32}
  body.reading-room-home .scene-quote-overlay #readingQuote::after{margin-top:9px}

  body.reading-room-home .scene-stats-overlay{
    grid-area:stats;
    grid-template-columns:repeat(4,minmax(0,1fr));
    gap:5px;
    width:100%;
    height:84px;
    min-height:84px;
    margin-top:8px;
    padding:6px;
  }
  body.reading-room-home .scene-stats-overlay .stat-item{
    flex-direction:column;
    justify-content:center;
    gap:2px;
    height:100%;
    min-height:0;
    padding:3px 2px;
    text-align:center;
  }
  body.reading-room-home .scene-stats-overlay .stat-icon{
    flex-basis:25px;
    width:25px;
    height:25px;
    font-size:10px;
  }
  body.reading-room-home .scene-stats-overlay .stat-item>span:last-child{display:grid;justify-items:center}
  body.reading-room-home .scene-stats-overlay .stat-item b{font-size:17px;line-height:1}
  body.reading-room-home .scene-stats-overlay .stat-item small{font-size:8px;line-height:1.05}

  body.reading-room-home .scene-search-overlay{
    grid-area:search;
    width:100%;
    height:62px;
    min-height:62px;
    margin-top:8px;
    padding:6px;
  }
  body.reading-room-home .scene-search-overlay .search-shell{
    grid-template-columns:minmax(0,1fr) 44px 44px;
    gap:6px;
    height:46px;
  }
  body.reading-room-home .scene-search-overlay .hub-search,
  body.reading-room-home .scene-search-overlay .exam-filter-button,
  body.reading-room-home .knowledge-appearance-control,
  body.reading-room-home .knowledge-appearance-button{
    height:46px;
    min-height:46px;
  }
  body.reading-room-home .scene-search-overlay .hub-search{padding-inline:10px}

  body.reading-room-home[data-theme="dark"] .scene-clock-overlay{
    grid-area:title;
    border:6px solid #27170f;
    background:linear-gradient(145deg,#4b3423,#2b2018);
    box-shadow:inset 0 0 0 2px #8e642d,0 8px 16px rgba(0,0,0,.4);
  }
  body.reading-room-home[data-theme="dark"] .scene-atlas-hotspot{
    grid-area:atlas;
    background-image:
      linear-gradient(rgba(9,8,7,.4),rgba(9,8,7,.52)),
      url("/knowledge-hub/assets/reading-room-benchmark.png");
  }
  body.reading-room-home[data-theme="dark"] .scene-lamp-hotspot{
    grid-area:lamp;
    background-image:
      linear-gradient(rgba(9,7,5,.22),rgba(9,7,5,.4)),
      url("/knowledge-hub/assets/reading-room-benchmark.png");
  }
  body.reading-room-home[data-theme="dark"] .scene-lamp-hotspot::before{
    border-color:rgba(255,214,123,.72);
    background:rgba(9,7,5,.88);
    color:#ffe5a7;
  }
}

@media(max-width:359px){
  body.reading-room-home .scene-stats-overlay{
    grid-template-columns:repeat(2,minmax(0,1fr));
    height:118px;
    min-height:118px;
  }
  body.reading-room-home .scene-stats-overlay .stat-item{
    flex-direction:row;
    justify-content:flex-start;
    gap:6px;
    padding:4px 7px;
    text-align:left;
  }
  body.reading-room-home .scene-stats-overlay .stat-item>span:last-child{justify-items:start}
}

@media(prefers-reduced-motion:reduce){
  body.reading-room-home .scene-atlas-hotspot,
  body.reading-room-home .scene-lamp-hotspot,
  body.reading-room-home .scene-quote-overlay{transition:none!important}
}