.knowledge-library-view{padding:clamp(18px,3vw,42px);max-width:1500px;margin:0 auto;color:#173e38}
.app-shell.knowledge-library-mode{--accent:#315f57;--accent-soft:#e9f3ef}
.knowledge-library-link>span:first-child,.home-module-card.knowledge-library .home-module-icon{background:#315f57;color:#fff}
.home-module-grid{grid-template-columns:repeat(auto-fit,minmax(235px,1fr))}
.kl-hero{padding:clamp(25px,4vw,55px);border-radius:28px;background:linear-gradient(135deg,#143d38,#315f57 58%,#b08239);color:#fff;display:flex;gap:24px;justify-content:space-between;align-items:end;box-shadow:0 18px 50px #183e3829}
.kl-hero h2{font:700 clamp(30px,4vw,54px)/1.05 Georgia,serif;margin:8px 0 12px}.kl-hero p{max-width:700px;margin:0;color:#e7f2ef}.kl-hero-actions{display:flex;gap:10px;flex-wrap:wrap}.kl-hero .secondary{background:#fff;color:#173e38}
.kl-tabs{display:flex;gap:8px;overflow:auto;padding:22px 0 12px;border-bottom:1px solid #ceddd8;margin-bottom:24px}.kl-tabs button{border:0;background:transparent;border-radius:999px;padding:10px 18px;white-space:nowrap;font-weight:700;color:#46635e}.kl-tabs button.active{background:#315f57;color:#fff}
.kl-search{display:grid;grid-template-columns:minmax(260px,2fr) repeat(2,minmax(150px,1fr)) auto;gap:12px;align-items:end;padding:18px;border:1px solid #d6e2df;border-radius:18px;background:#f8fbfa}.kl-search label,.kl-room>label{display:grid;gap:6px;font-weight:700}.kl-search span{font-size:12px;text-transform:uppercase;letter-spacing:.05em}.kl-search input,.kl-search select,.kl-room select{width:100%;min-height:44px;border:1px solid #abc1bc;border-radius:10px;padding:9px 12px;background:#fff}
.kl-subjects{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:14px;margin:22px 0}.kl-subject-card{border:1px solid #cadbd6;border-radius:18px;background:#fff;padding:20px;text-align:left}.kl-subject-card strong{font:700 23px Georgia,serif;display:block;margin-bottom:7px}.kl-subject-card span{display:block;color:#607a74}.kl-subject-card.active{outline:3px solid #b0823940;border-color:#b08239}
.kl-subject-card:disabled{cursor:not-allowed;filter:grayscale(1);opacity:.5;background:#edf0ef}.kl-subject-card small{display:inline-block;margin-top:10px;padding:3px 8px;border-radius:999px;background:#dfe5e3;color:#53645f;font-weight:700}.kl-building{margin:30px 0;padding:clamp(18px,3vw,32px);border-radius:24px;background:linear-gradient(180deg,#f0f5f3,#fff);border:1px solid #cadbd6}.kl-building-head{display:flex;justify-content:space-between;align-items:end;gap:18px;margin-bottom:18px}.kl-building-head h3{font:700 30px Georgia,serif;margin:5px 0}.kl-building-head p{margin:0;color:#5f746f}.kl-building-head a{color:#315f57;font-weight:700}.kl-floor{margin:14px 0;border:1px solid #c8d8d4;border-radius:17px;background:#fff;overflow:hidden}.kl-floor>button{width:100%;border:0;background:linear-gradient(90deg,#315f57,#416f67);color:#fff;padding:16px 19px;text-align:left;display:flex;justify-content:space-between;gap:16px;align-items:center}.kl-floor>button strong{font:700 19px Georgia,serif}.kl-floor>button span{font-size:13px;color:#dbeae6}.kl-aisles{display:grid;grid-template-columns:repeat(auto-fill,minmax(245px,1fr));gap:10px;padding:14px}.kl-aisle{border:1px solid #d7e1de;border-radius:12px;background:#fbfdfc;padding:13px;text-align:left;display:grid;gap:5px}.kl-aisle:hover{border-color:#b08239;box-shadow:0 4px 14px #5c49251c}.kl-aisle b{color:#9b6827}.kl-aisle strong{line-height:1.25}.kl-aisle small{color:#60756f}.kl-floor.collapsed .kl-aisles{display:none}
.kl-librarian{display:grid;grid-template-columns:1fr auto;gap:12px;align-items:end;margin:14px 0 22px;padding:16px 18px;border-radius:16px;background:#f5efe3;border:1px solid #dfca9f}.kl-librarian label{display:grid;gap:4px}.kl-librarian label span{font-size:13px;color:#66583e}.kl-librarian input{padding:10px;border:1px solid #bba778;border-radius:9px}.kl-librarian #klLibrarianAnswer{grid-column:1/-1}.kl-insight-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:16px 0}.kl-insight-grid>div{background:#eef5f2;border-radius:12px;padding:12px}.kl-path{display:grid;gap:8px;margin:15px 0}.kl-path article{display:flex;gap:12px;align-items:center;border:1px solid #d7e2df;border-radius:12px;padding:10px}.kl-path b{display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:#315f57;color:white}
.kl-section-title{display:flex;justify-content:space-between;align-items:end;margin:26px 0 14px}.kl-section-title h3,.kl-room h3{font:700 28px Georgia,serif;margin:0 0 4px}.kl-section-title p{margin:0;color:#667c77}
.kl-resource-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}.kl-card{border:1px solid #ceddd8;background:#fff;border-radius:18px;padding:18px;display:flex;flex-direction:column;gap:10px;min-height:220px;box-shadow:0 5px 18px #234f4410}.kl-card header{display:flex;justify-content:space-between;gap:8px}.kl-card h4{font:700 20px Georgia,serif;margin:0}.kl-card p{color:#5c716c;margin:0;flex:1}.kl-badge{display:inline-flex;border-radius:999px;padding:4px 9px;background:#e9f3ef;font-size:12px;font-weight:700}.kl-badge.private{background:#fff0ce;color:#6b4a0f}.kl-card-meta{display:flex;flex-wrap:wrap;gap:6px;font-size:12px;color:#637772}.kl-card-actions{display:flex;gap:8px;flex-wrap:wrap}.kl-card-actions button{flex:1}.kl-empty{grid-column:1/-1;padding:38px;border:1px dashed #9fb9b2;border-radius:18px;text-align:center;color:#607a74}
.kl-room{max-width:900px;padding:28px;border:1px solid #ceddd8;border-radius:20px;background:#fff}.kl-room>p{color:#5d746e}.kl-room label{max-width:450px;margin:18px 0 10px}
.kl-reader{position:absolute;inset:0;z-index:40;background:#f7faf9;overflow:auto;padding:24px}.kl-reader-top{display:grid;grid-template-columns:auto 1fr auto;gap:18px;align-items:center;max-width:1500px;margin:0 auto 20px}.kl-reader-top h2{font:700 31px Georgia,serif;margin:0}.kl-reader-top p{margin:4px 0 0;color:#60756f}.kl-reader-actions{display:flex;gap:8px;flex-wrap:wrap}.kl-warning{max-width:1500px;margin:0 auto 15px;background:#fff3d6;border-left:5px solid #bb7e20;padding:13px 16px;border-radius:8px}.kl-reader-layout{max-width:1500px;margin:auto;display:grid;grid-template-columns:230px minmax(0,800px) 260px;gap:20px;align-items:start}.kl-reader-layout>aside,.kl-reader-layout>article{background:#fff;border:1px solid #d5e1de;border-radius:18px;padding:20px}.kl-reader-layout>aside{position:sticky;top:15px}.kl-reader-layout>article{font:18px/1.72 Georgia,serif;min-height:65vh}.kl-reader-layout article h2{scroll-margin-top:20px}.kl-reader-layout article section+section{border-top:1px solid #e0e8e6;padding-top:22px;margin-top:28px}.kl-reader-layout nav{display:grid;gap:5px;margin-top:12px}.kl-reader-layout nav button{text-align:left;background:transparent;border:0;color:#315f57;padding:6px}.kl-tools{display:grid;gap:8px}.kl-tools h3{margin:0}.kl-tools button{text-align:left}.kl-annotation{font-size:13px;border-left:3px solid #b08239;background:#faf5e9;padding:8px;margin-top:8px}
#klResourceDialog{max-width:700px;width:min(92vw,700px)}#klResourceDialog form{display:grid;gap:12px}#klResourceDialog label{display:grid;gap:5px;font-weight:700}#klResourceDialog input,#klResourceDialog select,#klResourceDialog textarea{width:100%;box-sizing:border-box;border:1px solid #adc2bd;border-radius:9px;padding:10px}
@media(max-width:1050px){.kl-reader-layout{grid-template-columns:190px 1fr}.kl-tools{grid-column:1/-1;position:static!important}.kl-search{grid-template-columns:1fr 1fr}.kl-search label:first-child{grid-column:1/-1}}
@media(max-width:700px){.knowledge-library-view{padding:12px}.kl-hero{display:block}.kl-hero-actions{margin-top:20px}.kl-search,.kl-librarian{grid-template-columns:1fr}.kl-search label:first-child,.kl-librarian #klLibrarianAnswer{grid-column:auto}.kl-insight-grid{grid-template-columns:1fr}.kl-reader{padding:10px}.kl-reader-top{grid-template-columns:auto 1fr}.kl-reader-actions{grid-column:1/-1}.kl-reader-layout{display:block}.kl-reader-layout>aside{position:static;margin-bottom:12px}.kl-reader-layout>article{margin-bottom:12px}}

/* Grand library theme: warm reading rooms, walnut shelves and brass details. */
.app-shell.knowledge-library-mode{
  --accent:#365444;
  --accent-soft:#eee5d1;
  --kl-ink:#2d241c;
  --kl-green:#29483b;
  --kl-green-deep:#17362d;
  --kl-walnut:#563824;
  --kl-walnut-deep:#362116;
  --kl-brass:#b88a3b;
  --kl-paper:#fbf6e9;
  background:#e9dec7;
}
.app-shell.knowledge-library-mode .workspace{
  background:
    radial-gradient(circle at 18% 8%,#fff9eccc 0 9%,transparent 35%),
    linear-gradient(90deg,#d9c9aa33 1px,transparent 1px),
    #ede4d2;
  background-size:auto,42px 42px,auto;
}
.knowledge-library-view{color:var(--kl-ink)}
.knowledge-library-link>span:first-child,.home-module-card.knowledge-library .home-module-icon{
  background:linear-gradient(145deg,var(--kl-green),var(--kl-green-deep));color:#f8edcf;
  box-shadow:inset 0 0 0 2px #c59a504d;
}
.kl-hero{
  position:relative;overflow:hidden;border:1px solid #d0aa64;border-radius:12px;
  background:
    linear-gradient(90deg,transparent 49.7%,#d1ae6b24 50%,transparent 50.3%),
    repeating-linear-gradient(96deg,#0000000a 0 1px,transparent 1px 10px),
    linear-gradient(135deg,#2b1910,#65432b 54%,#263f33);
  box-shadow:inset 0 0 0 5px #2c1b12,inset 0 0 0 7px #b88a3b80,0 18px 45px #39291c35;
  padding:clamp(30px,4vw,58px);
}
.kl-hero:before{content:"";position:absolute;inset:13px;border:1px solid #d7b66b66;border-radius:5px;pointer-events:none}
.kl-hero h2{color:#fff8e8;text-shadow:0 2px 0 #24150e}.kl-hero p{color:#f4e7c9}
.kl-hero .primary{background:#bc8b3c;border-color:#d7b66b;color:#21160f}
.kl-hero .secondary{background:#f8f0dd;border-color:#d7b66b;color:#352318}
.kl-tabs{padding:18px 14px 12px;margin-top:18px;border:1px solid #bda77d;border-radius:12px 12px 0 0;background:#f6efdf;box-shadow:0 5px 16px #4a35200f}
.kl-tabs button{color:#654b34;border-radius:6px;border-bottom:3px solid transparent}
.kl-tabs button.active{background:linear-gradient(#365747,#284337);color:#fff6df;border-bottom-color:#c99c4e;box-shadow:0 4px 10px #263d3030}
.kl-search{border-color:#bba57c;border-radius:0 0 12px 12px;background:#fffaf0;box-shadow:0 9px 20px #4d382014}
.kl-search input,.kl-search select,.kl-room select{border-color:#ad9265;background:#fffdf6;color:var(--kl-ink)}
.kl-librarian{border-color:#b69761;border-radius:10px;background:linear-gradient(100deg,#f2e3c5,#fff8e8);box-shadow:inset 5px 0 0 var(--kl-brass)}
.kl-librarian input{border-color:#aa8956;background:#fffdf7}
.kl-subject-card{position:relative;border:1px solid #9f7d4f;border-radius:9px;background:linear-gradient(145deg,#fffaf0,#e8dbc0);box-shadow:inset 0 0 0 3px #fff9e7,0 7px 16px #47331d18}
.kl-subject-card:before{content:"";position:absolute;left:12px;top:12px;bottom:12px;width:4px;border-radius:5px;background:#b68b44}
.kl-subject-card strong,.kl-subject-card span,.kl-subject-card small{margin-left:10px}
.kl-subject-card.active{outline:3px solid #b88a3b55;border-color:#7b552c;background:linear-gradient(145deg,#fff9e9,#e2cfa9)}
.kl-subject-card:disabled{filter:sepia(.25);opacity:.58;background:#e2dccf}
.kl-building{border:1px solid #9f8159;border-radius:10px;background:linear-gradient(180deg,#f9f1df,#e7dac0);box-shadow:inset 0 0 0 5px #fff8e7,0 16px 38px #3e2a1721}
.kl-building-head{padding:5px 8px 18px;border-bottom:1px solid #bba276}.kl-building-head h3{color:#3b291d}
.kl-building-head p{color:#6a5947}.kl-building-head a{color:#315243}
.kl-floor{border-color:#8d6742;border-radius:7px;background:#f9f1df;box-shadow:0 5px 12px #3b28151a}
.kl-floor>button{position:relative;background:repeating-linear-gradient(93deg,#ffffff08 0 1px,transparent 1px 11px),linear-gradient(90deg,#3a2418,#6a462c 52%,#3d281b);color:#fff8e8;border-bottom:1px solid #c79a50;padding:17px 21px}
.kl-floor>button:after{content:"◆";color:#d3aa62;font-size:12px;margin-left:auto}
.kl-floor>button strong{letter-spacing:.015em}.kl-floor>button span{color:#eadab8}
.kl-aisles{gap:12px;padding:18px;background:repeating-linear-gradient(0deg,#442b1a0b 0 2px,transparent 2px 62px),#f3ead8}
.kl-aisle{position:relative;overflow:hidden;min-height:112px;border:1px solid #ad9368;border-left:8px solid #355445;border-radius:5px;background:linear-gradient(110deg,#fffdf5,#eadeca);box-shadow:inset 0 0 0 2px #fffaf0,0 4px 9px #49331e16;padding:15px}
.kl-aisle:nth-child(4n+2){border-left-color:#7b3f39}.kl-aisle:nth-child(4n+3){border-left-color:#3c4c68}.kl-aisle:nth-child(4n){border-left-color:#84602d}
.kl-aisle:hover{transform:translateY(-2px);border-color:#8a642d;box-shadow:inset 0 0 0 2px #fffaf0,0 9px 18px #49331e24}
.kl-aisle b{color:#8b6127;letter-spacing:.06em}.kl-aisle small{color:#6d5b49}
.kl-section-title h3,.kl-room h3{color:#3b281b}.kl-section-title p{color:#6e5c49}
.kl-card,.kl-room{border-color:#b69c72;border-radius:8px;background:linear-gradient(135deg,#fffdf6,#f0e4cd);box-shadow:inset 5px 0 0 #355445,0 7px 18px #47331d16}
.kl-card:nth-child(3n+2){box-shadow:inset 5px 0 0 #7b3f39,0 7px 18px #47331d16}.kl-card:nth-child(3n){box-shadow:inset 5px 0 0 #9b742f,0 7px 18px #47331d16}
.kl-card p,.kl-card-meta,.kl-room>p{color:#685745}.kl-badge{background:#e6d7bb;color:#3f3327}.kl-badge.private{background:#f2dba8;color:#694817}
.kl-empty{border-color:#a98c5f;background:#f8f0df;color:#685644}
.kl-insight-grid>div,.kl-path article{background:#f5ecd9;border:1px solid #c5ae83}.kl-path b{background:var(--kl-green);color:#fff5dc;border:1px solid #c69a4c}
.kl-reader{background:#e9dfca}.kl-reader-layout>aside,.kl-reader-layout>article{border-color:#b69b70;border-radius:8px;background:#fffaf0;box-shadow:0 8px 20px #3f2c1918}.kl-reader-layout>article{color:#30271f}.kl-reader-layout nav button{color:#315243}
#klResourceDialog{background:#fbf5e7;color:var(--kl-ink);border:1px solid #a98755}
#klResourceDialog input,#klResourceDialog select,#klResourceDialog textarea{border-color:#ad9369;background:#fffdf7}
@media(max-width:700px){.kl-hero{border-radius:8px}.kl-tabs{margin-top:12px}.kl-building{padding:14px}.kl-aisles{padding:10px}.kl-aisle{min-height:auto}}

/* Refined reading-hall theme: calm, architectural and deliberately texture-free. */
.app-shell.knowledge-library-mode{
  --accent:#24483c;
  --accent-soft:#eef2ed;
  --kl-ink:#202b28;
  --kl-green:#24483c;
  --kl-green-deep:#17372e;
  --kl-brass:#b79855;
  --kl-paper:#fbfaf6;
  background:#f1f0e9;
}
.app-shell.knowledge-library-mode .workspace{
  background:linear-gradient(180deg,#f7f7f2 0,#eeeee7 100%);
  background-size:auto;
}
.knowledge-library-view{color:#202b28}
.knowledge-library-link>span:first-child,.home-module-card.knowledge-library .home-module-icon{
  background:#24483c;color:#fff;box-shadow:none;
}
.kl-hero{
  overflow:hidden;border:0;border-radius:18px;
  background:linear-gradient(118deg,#183a31 0%,#285447 72%,#315d50 100%);
  box-shadow:0 18px 42px #15352b24;
  padding:clamp(30px,4vw,58px);
}
.kl-hero:before{display:none}
.kl-hero h2{color:#fff;text-shadow:none}.kl-hero p{color:#e8f0ec}
.kl-hero .primary{background:#c5a461;border-color:#c5a461;color:#17251f}
.kl-hero .secondary{background:#fff;border-color:#fff;color:#24483c}
.kl-tabs{
  padding:17px 0 12px;margin-top:10px;border:0;border-bottom:1px solid #d8dcd7;
  border-radius:0;background:transparent;box-shadow:none;
}
.kl-tabs button{color:#55645f;border-radius:999px;border:0}
.kl-tabs button.active{background:#24483c;color:#fff;border:0;box-shadow:none}
.kl-search{
  border:1px solid #d8dcd7;border-radius:14px;background:#fff;box-shadow:0 8px 24px #213a3210;
}
.kl-search input,.kl-search select,.kl-room select{border-color:#bdc8c3;background:#fff;color:#202b28}
.kl-librarian{
  border:1px solid #d8d9cf;border-radius:14px;background:#f8f7f1;box-shadow:none;
}
.kl-librarian input{border-color:#c7ccc6;background:#fff}
.kl-subject-card{
  border:1px solid #d5dad6;border-radius:14px;background:#fff;
  box-shadow:0 7px 20px #1c372e0d;
}
.kl-subject-card:before{left:0;top:18px;bottom:18px;width:4px;border-radius:0 4px 4px 0;background:#b79855}
.kl-subject-card strong,.kl-subject-card span,.kl-subject-card small{margin-left:6px}
.kl-subject-card.active{outline:0;border-color:#a6b9b1;background:#f9fbf9;box-shadow:inset 0 0 0 2px #24483c,0 7px 20px #1c372e12}
.kl-subject-card:disabled{filter:none;opacity:.55;background:#f2f3f0}
.kl-building{
  border:1px solid #d2d8d4;border-radius:16px;background:#fff;
  box-shadow:0 16px 38px #1b352c12;
}
.kl-building-head{padding:5px 4px 18px;border-bottom:1px solid #e0e4e1}.kl-building-head h3{color:#20342e}
.kl-building-head p{color:#64716d}.kl-building-head a{color:#24483c}
.kl-floor{border:1px solid #d6dcd8;border-radius:12px;background:#fff;box-shadow:none}
.kl-floor>button{
  background:#24483c;color:#fff;border:0;padding:17px 20px;
}
.kl-floor:nth-child(even)>button{background:#2d5548}
.kl-floor>button:after{content:"";margin:0}
.kl-floor>button strong{letter-spacing:0}.kl-floor>button span{color:#dce8e3}
.kl-aisles{gap:12px;padding:16px;background:#f5f6f3}
.kl-aisle{
  min-height:112px;border:1px solid #d4d9d6;border-left:5px solid #315b4d;border-radius:10px;
  background:#fff;box-shadow:none;padding:15px;
}
.kl-aisle:nth-child(4n+2){border-left-color:#8a5354}.kl-aisle:nth-child(4n+3){border-left-color:#53667f}.kl-aisle:nth-child(4n){border-left-color:#a18449}
.kl-aisle:hover{transform:translateY(-2px);border-color:#9aaca5;box-shadow:0 8px 20px #20372f14}
.kl-aisle b{color:#7a642f;letter-spacing:.04em}.kl-aisle small{color:#687570}
.kl-section-title h3,.kl-room h3{color:#20342e}.kl-section-title p{color:#687570}
.kl-card,.kl-room{
  border:1px solid #d5dad7;border-radius:14px;background:#fff;
  box-shadow:0 7px 20px #1d382f0d;
}
.kl-card:nth-child(3n+2),.kl-card:nth-child(3n){box-shadow:0 7px 20px #1d382f0d}
.kl-card p,.kl-card-meta,.kl-room>p{color:#65736e}.kl-badge{background:#edf2ef;color:#314d43}.kl-badge.private{background:#f3e8ce;color:#6b5221}
.kl-empty{border-color:#b9c5c0;background:#fafbf9;color:#64736d}
.kl-insight-grid>div,.kl-path article{background:#f4f6f3;border:1px solid #d8ded9}.kl-path b{background:#24483c;color:#fff;border:0}
.kl-reader{background:#f0f1ed}.kl-reader-layout>aside,.kl-reader-layout>article{border-color:#d4dad6;border-radius:14px;background:#fff;box-shadow:0 8px 22px #20372f10}.kl-reader-layout>article{color:#27322f}.kl-reader-layout nav button{color:#24483c}
#klResourceDialog{background:#fff;color:#202b28;border:1px solid #cad2cd}
#klResourceDialog input,#klResourceDialog select,#klResourceDialog textarea{border-color:#bdc8c3;background:#fff}

/* Library landing page layout and its own academic colour identity. */
.app-shell.knowledge-library-mode{
  --accent:#34445e;
  --accent-soft:#eef0f5;
}
.app-shell.knowledge-library-mode .workspace{background:linear-gradient(180deg,#f8f7f3,#f0f1f4)}
.knowledge-library-link>span:first-child,.home-module-card.knowledge-library .home-module-icon{background:#34445e;color:#fff}
.kl-hero{background:linear-gradient(125deg,#26344b,#3a4b68 72%,#4d5e78)}
.kl-hero .primary{background:#d0ae66;border-color:#d0ae66}
.kl-tabs button.active,.kl-floor>button,.kl-floor:nth-child(even)>button,.kl-path b{background:#34445e}
.kl-subjects{grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr))}
.kl-subject-card{min-width:0;overflow:hidden}
.kl-subject-card strong,.kl-subject-card span,.kl-subject-card small{max-width:100%;overflow-wrap:anywhere;word-break:normal}
.kl-subject-card strong{font-size:clamp(19px,2vw,23px);line-height:1.2}
.kl-subject-card.active{border-color:#adb5c3;box-shadow:inset 0 0 0 2px #34445e,0 7px 20px #1f2c4212}
.kl-floor>button{
  display:grid;grid-template-columns:minmax(0,1fr) max-content;align-items:center;column-gap:18px;
  width:100%;text-align:left;
}
.kl-floor>button>span{display:grid;gap:4px;min-width:0}
.kl-floor>button>span strong,.kl-floor>button>span small{display:block;min-width:0;overflow-wrap:anywhere}
.kl-floor>button>span small{font-size:13px;font-weight:400;color:#dfe4ec;line-height:1.35}
.kl-floor>button>b{justify-self:end;white-space:nowrap;text-align:right;font-size:14px}
.kl-floor>button>b i{display:inline-block;margin-left:6px;font-style:normal}
.kl-aisle,.kl-aisle:nth-child(4n+2),.kl-aisle:nth-child(4n+3),.kl-aisle:nth-child(4n){
  min-width:0;border-left-color:#b29455;
}
.kl-aisle>*{min-width:0;max-width:100%;overflow-wrap:anywhere;white-space:normal}
.kl-aisle strong{line-height:1.3}
@media(max-width:700px){
  .kl-floor>button{grid-template-columns:minmax(0,1fr) auto;column-gap:10px;padding:15px}
  .kl-floor>button>b{font-size:12px}.kl-floor>button>span small{font-size:12px}
}

/* Modern library brown: warm and distinctive, without faux-wood textures. */
.app-shell.knowledge-library-mode{--accent:#73513f;--accent-soft:#f3ece6}
.app-shell.knowledge-library-mode .workspace{background:linear-gradient(180deg,#faf7f2,#f1ece6)}
.knowledge-library-link>span:first-child,.home-module-card.knowledge-library .home-module-icon{background:#73513f;color:#fff}
.kl-hero{background:linear-gradient(125deg,#51372c,#75513f 68%,#8d6751);border:1px solid #c9a45f;box-shadow:0 18px 42px #4b312226,0 0 0 3px #c9a45f1f}
.kl-hero .primary{background:#d6ad62;border-color:#d6ad62}
.kl-tabs button.active,.kl-floor>button,.kl-floor:nth-child(even)>button,.kl-path b{background:#73513f}
.kl-subject-card.active{border-color:#c8b4a7;box-shadow:inset 0 0 0 2px #73513f,0 7px 20px #5f402b12}
.kl-floor>button>span strong{color:#fffdf9;text-shadow:0 1px 1px #2c181066}
.kl-floor>button>span small{color:#fff8f2;font-weight:500;text-shadow:0 1px 1px #2c181055}
.kl-floor>button>b{color:#fffdf9;text-shadow:0 1px 1px #2c181055}
.kl-aisle,.kl-aisle:nth-child(4n+2),.kl-aisle:nth-child(4n+3),.kl-aisle:nth-child(4n){border-left-color:#b68a4a}

.knowledge-library-view.aisle-open>.kl-hero,
.knowledge-library-view.aisle-open>.kl-tabs,
.knowledge-library-view.aisle-open [data-kl-pane="catalog"]>.kl-section-title,
.knowledge-library-view.aisle-open [data-kl-pane="catalog"]>#klSubjects,
.knowledge-library-view.aisle-open [data-kl-pane="catalog"]>#klBuilding,
.knowledge-library-view.aisle-open [data-kl-pane="catalog"]>#klCatalog{display:none!important}
.kl-aisle-view{max-width:1180px;margin:4px auto 40px}
.kl-aisle-head{display:grid;grid-template-columns:auto minmax(0,1fr);gap:24px;align-items:start;padding:clamp(24px,4vw,48px);border:1px solid #c9a45f;border-radius:18px;background:linear-gradient(125deg,#50362b,#75513f 70%,#8b6550);color:#fff;box-shadow:0 18px 42px #4b312226,0 0 0 3px #c9a45f1f}
.kl-aisle-head button{align-self:start;background:#fff;color:#5a3d30;border-color:#fff;white-space:nowrap}
.kl-aisle-head .eyebrow{color:#e2bc75}.kl-aisle-head h2{font:700 clamp(28px,4vw,48px)/1.12 Georgia,serif;margin:7px 0 12px;overflow-wrap:anywhere}.kl-aisle-head p{margin:0;color:#efe5df}
.kl-aisle-intro{display:flex;justify-content:space-between;gap:20px;align-items:baseline;margin:28px 2px 13px}.kl-aisle-intro strong{font:700 26px Georgia,serif;color:#402d25}.kl-aisle-intro span{color:#73645c}
.kl-shelves{display:grid;gap:13px}
.kl-shelf{overflow:hidden;border:1px solid #d9ccc4;border-radius:14px;background:#fff;box-shadow:0 7px 22px #573a2710}
.kl-shelf-toggle{width:100%;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:18px;align-items:center;padding:18px 20px;border:0;background:#fff;text-align:left;color:#2d2825}
.kl-shelf-toggle>span{min-width:0;display:grid;grid-template-columns:auto minmax(0,1fr);column-gap:13px;row-gap:3px;align-items:baseline}
.kl-shelf-toggle b{grid-row:1/3;align-self:center;padding:7px 10px;border-radius:8px;background:#f0e5dc;color:#73513f;white-space:nowrap}
.kl-shelf-toggle strong{font:700 20px Georgia,serif;overflow-wrap:anywhere}.kl-shelf-toggle small{color:#72655e;overflow-wrap:anywhere}
.kl-shelf-toggle em{font-style:normal;font-weight:700;color:#73513f;white-space:nowrap}.kl-shelf-toggle em i{font-style:normal;margin-left:6px}
.kl-shelf:not(.collapsed)>.kl-shelf-toggle{background:#fbf7f3;border-bottom:1px solid #e2d7d0}
.kl-shelf-books{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,260px),1fr));gap:14px;padding:16px;background:#f7f3ef}
.kl-shelf.collapsed .kl-shelf-books{display:none}
.kl-shelf-books .kl-card{min-width:0;border-color:#ddd1ca;border-radius:10px;box-shadow:inset 4px 0 0 #b68a4a,0 5px 14px #5134210d}
.kl-shelf-books .kl-empty{background:#fff;border-color:#cfc1b8}
@media(max-width:700px){.kl-aisle-head{grid-template-columns:1fr;gap:18px}.kl-aisle-head button{width:max-content}.kl-aisle-intro{display:grid;gap:5px}.kl-shelf-toggle{grid-template-columns:1fr;gap:10px}.kl-shelf-toggle>span{grid-template-columns:1fr}.kl-shelf-toggle b{grid-row:auto;width:max-content}.kl-shelf-toggle em{justify-self:start}}

/* Hierarchical favorites. */
.kl-floor{position:relative}
.kl-floor>.kl-floor-toggle{padding-right:58px}
.kl-floor>.kl-floor-favorite{
  position:absolute;z-index:2;right:14px;top:13px;width:32px;height:32px;display:grid;place-items:center;
  padding:0;border:1px solid #e2c88f;border-radius:50%;background:#ffffff18;color:#fff7e1;
  font-size:19px;text-align:center;box-shadow:none;
}
.kl-floor>.kl-floor-favorite:after{display:none}.kl-floor>.kl-floor-favorite.active{background:#d4ad64;color:#4b3328;border-color:#efd69f}
.kl-floor>.kl-floor-toggle>b{margin-right:24px}
.kl-aisle-head{grid-template-columns:auto minmax(0,1fr) auto}
.kl-context-favorite{align-self:start;border:1px solid #e0c17f!important;background:#ffffff14!important;color:#fff9ea!important;white-space:nowrap}
.kl-context-favorite.active{background:#d4ad64!important;color:#432e25!important}
.kl-shelf{position:relative}.kl-shelf-toggle{padding-right:62px}
.kl-shelf-favorite{position:absolute;right:15px;top:14px;width:34px;height:34px;padding:0;border:1px solid #d5c3b8;border-radius:50%;background:#fff;color:#856141;font-size:20px;z-index:2}
.kl-shelf-favorite.active{background:#d4ad64;color:#493227;border-color:#c3984e}
.kl-favorite-paths{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,260px),1fr));gap:14px;margin-bottom:18px}
.kl-favorite-card{display:flex;flex-direction:column;gap:8px;min-height:180px;padding:18px;border:1px solid #d9ccc4;border-radius:12px;background:#fff;box-shadow:inset 4px 0 0 #b68a4a,0 7px 20px #5134210d}
.kl-favorite-card>span{width:max-content;padding:4px 8px;border-radius:999px;background:#f1e6dd;color:#73513f;font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.04em}.kl-favorite-card h4{font:700 20px Georgia,serif;margin:0;color:#3f2d26}.kl-favorite-card p{margin:0;color:#75675f;flex:1}.kl-favorite-card>div{display:flex;gap:8px}.kl-favorite-card>div button{flex:1}
@media(max-width:700px){.kl-aisle-head{grid-template-columns:1fr}.kl-floor>.kl-floor-toggle>b{margin-right:20px}.kl-floor>.kl-floor-favorite{right:10px}.kl-context-favorite{width:max-content}}