/* Atelier edition — botanical paper, quiet navigation, readable research. */
:root{--paper:#f5f3ec;--paper-light:#fcfbf7;--ink:#273f33;--ink-deep:#203b2d;--muted:#697469;--line:#dcded3;--accent:#46634a;--accent-soft:#b9c7a7;--moss:#667d57;--header-h:78px}
::selection{background:#d4dec7;color:#203b2d}
html{scroll-padding-top:95px}
.topbar{padding-inline:clamp(24px,4.5vw,76px);background:rgba(252,251,247,.96);border-bottom:1px solid var(--line);box-shadow:none;grid-template-columns:1fr auto 1fr}
.brand{gap:13px}.brand-mark{width:39px;height:43px;color:#fcfbf7;background:#304f39;border:0;border-radius:20px 20px 3px 3px;box-shadow:none;transform:none;font-size:23px}
.brand b{color:var(--ink);font-size:25px;font-weight:600;letter-spacing:.15em}.brand small{color:var(--muted);font-size:10px;letter-spacing:.08em;margin-top:6px}
.desktop-nav{gap:16px;align-items:center}.nav-link{height:44px;min-width:auto;padding:0 15px;color:#657164;font-size:13px;border-radius:5px;transition:color .2s,background .2s}.nav-link:hover{color:var(--ink);background:#eeefe6}.nav-link.is-active{color:var(--ink);background:#e9eddf;font-weight:600}.nav-link::after{display:none}
.install-button{color:var(--ink);background:transparent;border:1px solid #adb9a5;border-radius:4px}
#library .library-command{display:grid;grid-template-columns:minmax(320px,.95fr) minmax(350px,1.1fr);align-items:center;gap:clamp(35px,6vw,100px);min-height:280px;padding:49px clamp(24px,5vw,80px) 43px;background:#f2f2e8;color:var(--ink);border-bottom:1px solid var(--line);overflow:hidden}
#library .library-command::before,#library .library-command::after{display:none}
.library-command-title{z-index:1}.library-command-title p{font-size:10px;letter-spacing:.15em;color:#68785d;margin:0 0 21px;font-weight:500}.library-command-title p i{font-style:normal;margin:0 12px;color:#9ca78d}
.library-command-title h1{font-size:clamp(43px,4.5vw,67px);letter-spacing:.025em;line-height:1.15;color:#263e2d;font-weight:500;white-space:nowrap}.library-command-title h1 .title-dot{display:inline;margin:0;font:inherit;letter-spacing:inherit;color:#8b9d73}.library-command-title>span{font-size:13px;color:#61705c;margin-top:17px;letter-spacing:.08em}
.archive-botanical{position:absolute;left:33%;top:-29px;height:330px;width:286px;object-fit:contain;opacity:.28;pointer-events:none;transform:rotate(15deg)}
#library .library-search-zone{margin:0;z-index:1;animation:atelier-enter .55s .08s both}.search-caption{display:flex;justify-content:space-between;font-size:12px;color:#596a54;margin-bottom:14px;letter-spacing:.04em}.search-caption>span{font-size:17px;color:#718366}
#library .library-search{min-height:62px;padding:0 68px 0 20px;border:1px solid #c7cebb;background:#fcfcf8;border-radius:5px;box-shadow:0 4px 15px #233b2610;color:var(--ink)}
#library .library-search:hover{background:#fffefa;border-color:#819375}#library .library-search:focus-within{background:#fffefa;border-color:#59744a;box-shadow:0 0 0 3px #64814d18;transform:none}
#library .library-search svg{stroke:#52664b;flex-shrink:0}#library .library-search input{font-size:14px;color:var(--ink)}#library .library-search input::placeholder{color:#78826f}#library .library-search kbd{color:#6b7860;background:#f1f3e9;border-color:#dee2d5}
#library .library-search-zone .search-status{font-size:10px;line-height:1.6;color:#6b7761;margin:9px 0 0;min-height:16px}#library .search-clear{top:16px;right:16px;color:#52684a;width:30px;height:30px}
#library .library-quick-search{gap:18px;margin-top:10px}#library .library-quick-search button{color:#4e6545;font-size:11px;padding:5px 0;min-height:28px}#library .library-quick-search button:hover{color:#243d2c;border-color:#59744a}
#library .library-domain-nav{background:#fcfbf7;grid-template-columns:minmax(0,1fr) 180px;padding:0 clamp(24px,4.5vw,76px);border-bottom:1px solid #d7ddcf}
#library .library-domain{min-height:95px;padding:20px 17px;grid-template-columns:1fr auto;gap:6px 12px;border-right:0!important;border-radius:0;transform:none;transition:background .2s,color .2s}
#library .library-domain>span{display:none}#library .library-domain b{font-family:var(--sans);font-size:14px;font-weight:500;letter-spacing:.02em}#library .library-domain small{grid-column:1/-1;color:#75806e;font-size:10px;line-height:1.4;max-width:165px}#library .library-domain em{grid-column:2;grid-row:1;font:12px/1.5 var(--sans);color:#79876d;padding:0}
#library .library-domain.is-active{background:#edf0e4}#library .library-domain.is-active b{color:#2c4a30;font-weight:600}#library .library-domain:hover{background:#f0f2e9;transform:none}#library .library-domain::after{height:2px;background:#527047;inset:auto 16px 0}
#library .library-domain-group-reference{background:transparent;border-left:1px solid var(--line);margin-left:10px}#library .library-reference-summary{min-height:95px;padding:18px 16px}#library .library-reference-summary span{font:13px/1.4 var(--sans)}#library .library-reference-summary small{font-size:9px}#library .library-reference-summary::after{right:3px;top:28px;font-size:14px}#library .library-domain-group-reference .library-domain-grid{background:#fcfbf7;border:1px solid var(--line);border-radius:0 0 6px 6px}
#library .archive-layout,#library.is-basics .archive-layout{grid-template-columns:210px minmax(0,1fr);max-width:1600px;margin:auto;background:var(--paper-light)}
#library .archive-sections{background:var(--paper-light);padding:34px 20px 60px 32px;border-right:1px solid var(--line)}#library .archive-sections>p,#library .archive-personal>p{color:#75806e;font-size:10px;letter-spacing:.12em;margin-bottom:15px}
#library .archive-section{padding:10px 12px;border:0;min-height:41px;border-radius:4px;transition:background .18s,color .18s;color:#5e6e59;font-size:12px}#library .archive-section.is-active{background:#e9eedf;color:#2d4c30;font-weight:600}#library .archive-section:hover{background:#f0f2e8;color:#2d4c30}#library .archive-section em{color:#75846a;font-size:10px}#library .archive-personal{border-top:1px solid var(--line);margin-top:25px;padding-top:24px}
#library .library-results{padding:32px clamp(24px,4vw,64px) 100px;background:var(--paper-light);min-width:0}
#library .library-heading{display:flex;align-items:center;gap:18px;padding:0 0 22px;border-bottom:1px solid #aeb9a3;flex-wrap:wrap}#library .library-heading>div:first-child{flex:1}#library .library-heading p{font-size:10px;color:#68795b;letter-spacing:.08em;margin-bottom:10px}#library .library-heading h2{font-size:32px;line-height:1.2;letter-spacing:.02em}#library .library-heading>span{font-size:11px;max-width:280px;color:#6d7d62}
.density-control{display:flex;border:1px solid #d9dfcf;border-radius:4px;padding:3px;gap:2px;align-self:end}.density-control button{border:0;background:transparent;color:#6d7d62;font-size:10px;padding:6px 10px;border-radius:2px;cursor:pointer;min-height:30px}.density-control button[aria-pressed="true"]{background:#e8eddf;color:#2d4c30}
#library .library-context{display:block;margin:0 0 6px;padding:0;background:transparent;border:0;box-shadow:none}#library .library-context[hidden]{display:none}.context-disclosure{border-bottom:1px solid var(--line)}.context-disclosure>summary{list-style:none;cursor:pointer;padding:14px 0;font-size:11px;color:#728365;display:flex;align-items:center;gap:9px}.context-disclosure>summary::before{content:'+';font-size:15px;font-family:var(--sans)}.context-disclosure[open]>summary::before{content:'−'}.context-disclosure>summary::-webkit-details-marker{display:none}.context-disclosure-content{padding:6px 0 24px}.context-disclosure-content .library-context-copy{gap:12px 25px;padding-bottom:18px}.context-disclosure-content .library-context-copy b{font-size:21px}.context-disclosure-content .library-context-copy p{font-size:11px;line-height:1.8}.context-disclosure-content .library-context-stats{padding-top:15px}
#library .library-row{min-height:115px;margin:0;padding:20px 0;gap:22px;border-radius:0;border-bottom:1px solid #e1e3d9;grid-template-columns:65px minmax(150px,.8fr) minmax(0,1.3fr) 90px 36px;transition:background .2s}
#library .library-row:hover{background:#f1f3e9;box-shadow:none;padding-inline:0}#library .library-row::before{display:none}#library .library-type{font-size:10px;color:#708260;letter-spacing:.04em}#library .library-title b{font-size:23px;font-weight:500;line-height:1.35}#library .library-title small{color:#7b8474;font-size:10px;margin-top:7px;line-height:1.6}#library .library-excerpt{font-size:12px;color:#63745c;line-height:1.8}#library .library-meta{font-size:10px;color:#75826d}
#library .essential-library-row,#library .carrier-library-row{grid-template-columns:65px minmax(165px,.85fr) minmax(0,1.5fr) 36px!important;gap:22px!important}#library .essential-row-facts,#library .carrier-row-facts{min-width:0;gap:15px}#library .essential-row-facts dt,#library .carrier-row-facts dt{color:#7c8873;font-size:9px;margin-bottom:6px}#library .essential-row-facts dd,#library .carrier-row-facts dd{font-size:11px;line-height:1.75;color:#596d51}
#library .favorite-button{color:#7f9071;min-width:36px;min-height:40px;font-size:22px}#library .favorite-button:hover,#library .favorite-button.is-favorite{background:#e5edda;color:#45633b}
#library.is-compact .library-row{min-height:78px;padding-block:12px}#library.is-compact .library-title b{font-size:20px}#library.is-compact .essential-row-facts>div:last-child,#library.is-compact .carrier-row-facts>div:last-child{display:none}#library.is-compact .essential-row-facts,#library.is-compact .carrier-row-facts{grid-template-columns:1fr 1fr}
.return-search{position:fixed;right:26px;bottom:28px;z-index:45;padding:12px 19px;background:#2f4d37;color:#fcfbf7;border:1px solid #2f4d37;border-radius:4px;box-shadow:0 5px 18px #203a2b1a;font-size:12px;cursor:pointer;animation:atelier-enter .2s both}.return-search[hidden]{display:none}.return-search:hover{background:#436044}
.library-dialog{background:#fcfbf7}.library-dialog::backdrop{background:#213b2d48;backdrop-filter:blur(5px)}.library-detail-title{font-weight:500;letter-spacing:.02em}.library-detail-actions button{border-radius:4px}.library-detail-actions .primary{background:#38583d;border-color:#38583d}.entry-guide-grid p,.entry-guide-grid li,.entry-note-content{line-height:1.85}
.utility-intro{background:#f0f2e7;padding-block:40px 36px;min-height:195px}.utility-intro h1{font-size:52px}.safety-intro{background:#2b4533}.safety-intro h1{color:#fcfbf7}.usage-task-nav,.formulator-section{background:#edf0e4}.recipe-library,.calculator,.sources{background:#fcfbf7}.calculator-layout{box-shadow:none;border-radius:5px;overflow:hidden}.calculator-result{background:#2a4432;border:0}.calculator-result strong{color:#d1dfbb}.mobile-nav{background:#fcfbf7;border-top:1px solid #d7ddcf;box-shadow:0 -3px 18px #233c2310}.mobile-nav-item{color:#76856b}.mobile-nav-item.is-active{color:#294a2d}.mobile-nav-item span{color:#526c43}.mobile-nav-item.is-active span{background:#e5ecd9;border-radius:7px}
:where(button,a,summary,[tabindex="0"]):focus-visible{outline:2px solid #597947;outline-offset:3px}
@keyframes atelier-enter{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
@media(min-width:1600px){#library .library-command{padding-inline:max(80px,calc((100vw - 1440px)/2))}#library .library-domain-nav{padding-inline:max(64px,calc((100vw - 1472px)/2))}}
@media(min-width:681px) and (max-width:1100px){.topbar{padding-inline:24px;grid-template-columns:1fr auto auto;gap:12px}.desktop-nav{gap:0}.nav-link{padding:0 12px}#library .library-command{grid-template-columns:minmax(270px,.85fr) minmax(290px,1fr);gap:30px;padding:38px 32px;min-height:255px}.library-command-title h1{font-size:47px}.archive-botanical{left:25%;width:230px;opacity:.2}#library .library-domain-nav{padding:0 16px;grid-template-columns:1fr 140px}#library .library-domain{padding:17px 9px;gap:6px}#library .library-domain b{font-size:12px}#library .library-domain small{font-size:9px}#library .library-reference-summary{padding:14px 10px}#library .archive-layout,#library.is-basics .archive-layout{grid-template-columns:165px minmax(0,1fr)}#library .archive-sections{padding:30px 14px}#library .library-results{padding-inline:25px}#library .library-row{grid-template-columns:54px minmax(100px,.8fr) minmax(0,1fr) 36px;gap:12px}#library .library-meta{display:none}#library .essential-library-row,#library .carrier-library-row{grid-template-columns:54px minmax(115px,.8fr) minmax(0,1fr) 36px!important;gap:12px!important}#library .essential-row-facts,#library .carrier-row-facts{grid-template-columns:1fr}#library .essential-row-facts>div+div,#library .carrier-row-facts>div+div{display:none}#library .library-title b{font-size:20px}#library .library-heading h2{font-size:28px}#library .library-heading>span{max-width:180px}}
@media(max-width:680px){:root{--header-h:66px}.topbar{height:66px;padding:0 21px;display:flex;justify-content:space-between}.brand-mark{height:36px;width:32px;font-size:20px}.brand b{font-size:22px}.brand small{font-size:9px}.desktop-nav{display:none}#library .library-command{display:block;min-height:0;padding:29px 22px 23px}.library-command-title p{font-size:9px;margin-bottom:14px;letter-spacing:.13em}.library-command-title h1{font-size:43px;line-height:1.2;white-space:normal}.library-command-title>span{font-size:11px;margin-top:12px}.archive-botanical{left:auto;right:-20px;top:-32px;width:175px;height:220px;opacity:.3}#library .library-search-zone{margin-top:27px}.search-caption{display:none}#library .library-search{min-height:54px;padding-left:14px;padding-right:48px}#library .library-search input{font-size:16px}#library .library-search kbd{display:none}#library .search-clear{top:12px;right:10px}#library .library-search-zone .search-status{font-size:9px;min-height:14px;margin-top:8px}#library .library-quick-search{gap:22px;margin-top:5px}#library .library-quick-search button{font-size:11px;min-height:30px}#library .library-domain-nav{display:block;padding:0;background:#fcfbf7}#library .library-domain-grid{display:flex;overflow:auto;scrollbar-width:thin;scrollbar-color:#c5cfb6 transparent}#library .library-domain{flex:0 0 137px;min-height:84px;padding:15px 16px;gap:6px 8px;grid-template-columns:1fr auto}#library .library-domain b{font-size:13px}#library .library-domain small{font-size:9px}#library .library-domain em{font-size:11px}#library .library-domain-group-reference{margin:0;border:0;border-top:1px solid var(--line)}#library .library-reference-summary{min-height:43px;padding:11px 22px;display:flex;flex-direction:row;justify-content:flex-start;align-items:center;gap:13px}#library .library-reference-summary span{font-size:11px}#library .library-reference-summary small{display:block;font-size:9px}#library .library-reference-summary::after{top:12px;right:22px}#library .library-domain-group-reference .library-domain-grid{position:static;width:auto;border:0;box-shadow:none;border-radius:0}#library .archive-layout,#library.is-basics .archive-layout{display:block}#library .archive-sections{position:relative;top:0;padding:13px 18px 10px;background:#f2f4eb;border-right:0;border-bottom:1px solid var(--line)}#library .archive-sections>p,#library .archive-personal>p{display:none}#library .archive-section{padding:9px 12px;min-height:36px;font-size:11px}#library .archive-personal{margin:0;padding:0;border:0}#library .library-results{padding:24px 22px 95px}#library .library-heading{display:flex;gap:10px;align-items:center;padding-bottom:18px}#library .library-heading>div:first-child{flex:1;min-width:150px}#library .library-heading p{font-size:9px;margin-bottom:8px}#library .library-heading h2{font-size:28px}#library .library-heading>span{display:none}.density-control{margin-left:auto;align-self:end;padding:2px}.density-control button{font-size:9px;padding:5px 8px;min-height:29px}.context-disclosure>summary{font-size:10px;padding-block:13px}.context-disclosure-content .library-context-copy{display:block}.context-disclosure-content .library-context-copy b{font-size:20px}.context-disclosure-content .library-context-copy p{margin-top:10px}.context-disclosure-content .library-context-stats{overflow-x:auto;grid-template-columns:repeat(3,minmax(72px,1fr))}#library .library-row,#library .essential-library-row,#library .carrier-library-row{grid-template-columns:minmax(0,1fr) 38px!important;padding:20px 0;gap:7px 12px!important;min-height:0}#library .library-type{grid-column:1;grid-row:1;font-size:9px}#library .library-title{grid-column:1;grid-row:2}#library .library-title b{font-size:23px}#library .library-title small{font-size:10px;margin-top:5px}#library .library-excerpt{grid-column:1;grid-row:3;font-size:11px;margin-top:4px}#library .library-row .favorite-button{grid-column:2;grid-row:1/4;align-self:start}#library .essential-row-facts,#library .carrier-row-facts{grid-column:1/-1;grid-row:3;grid-template-columns:1fr;gap:6px;padding-top:8px}#library .essential-row-facts>div,#library .carrier-row-facts>div{display:grid;grid-template-columns:55px 1fr;gap:8px;border:0;padding:0}#library .essential-row-facts dt,#library .carrier-row-facts dt{font-size:9px;margin:0;line-height:1.75}#library .essential-row-facts dd,#library .carrier-row-facts dd{font-size:11px}#library .library-meta{grid-column:1;grid-row:4;font-size:9px}#library.is-compact .essential-row-facts,#library.is-compact .carrier-row-facts{display:none}#library.is-compact .library-row{min-height:80px;padding:13px 0}.mobile-nav{height:calc(62px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom)}.mobile-nav-item{font-size:10px}.mobile-nav-item span{font-size:15px}.return-search{bottom:calc(79px + env(safe-area-inset-bottom));right:16px;padding:10px 14px;font-size:11px}.utility-intro{padding:32px 22px;min-height:180px}.utility-intro h1{font-size:40px}.library-dialog{width:100%;max-width:100%}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;animation:none!important;transition:none!important}}
@media(max-width:680px){#library .library-domain-group-label{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}#library .library-domain{min-height:78px}#library .library-domain small{display:block;white-space:normal;max-height:28px;overflow:hidden}.context-disclosure-content .library-context-stats dt{white-space:normal;line-height:1.5}}
#library.is-compact .essential-library-row{min-height:78px!important}
@media(max-width:680px){#library .essential-library-row{min-height:0!important}}

/* Image-led library landing: a calm, editorial first impression before the archive begins. */
#library .library-command{
  position:relative;
  isolation:isolate;
  grid-template-columns:minmax(0,1.08fr) minmax(320px,.72fr);
  align-items:end;
  min-height:clamp(540px,calc(100svh - var(--header-h)),760px);
  padding:clamp(82px,11vh,142px) clamp(24px,7vw,112px) clamp(46px,8vh,92px);
  border-bottom:0;
  background:#20352d;
  color:#fffaf0;
}
#library .library-command::before{
  display:block;
  content:"";
  position:absolute;
  inset:0;
  z-index:-2;
  width:auto;
  height:auto;
  border:0;
  border-radius:0;
  box-shadow:none;
  background:linear-gradient(90deg,rgba(16,34,27,.92) 0%,rgba(20,43,33,.72) 34%,rgba(22,43,34,.30) 68%,rgba(20,38,30,.15) 100%);
}
#library .library-command::after{
  display:block;
  content:"";
  position:absolute;
  inset:0;
  z-index:-1;
  background:linear-gradient(180deg,rgba(15,31,25,.42) 0%,transparent 33%,rgba(12,27,21,.62) 100%);
  pointer-events:none;
}
.library-hero-image{
  position:absolute;
  inset:0;
  z-index:-3;
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:center 48%;
  transform:scale(calc(1.045 + var(--hero-shift,0)));
  transform-origin:center;
  filter:saturate(.84) contrast(.95);
  animation:hero-image-in 1.1s cubic-bezier(.2,.75,.25,1) both,hero-image-drift 24s ease-in-out 1.1s infinite alternate;
  will-change:transform;
}
.library-command-title{align-self:end;max-width:650px;color:#fffaf0;animation:atelier-enter .75s .08s both}
.library-command-title p{color:#e0e8d4;margin-bottom:24px;letter-spacing:.19em}
.library-command-title p i{color:#aebda2}
.library-command-title h1{color:#fffaf0;font-size:clamp(48px,6.3vw,88px);letter-spacing:.015em;text-shadow:0 2px 28px rgba(9,25,18,.24)}
.library-command-title h1 .title-dot{color:#d5e1bd}
.library-command-title>span{color:#e5eadb;font-size:15px;letter-spacing:.12em}
.archive-botanical{opacity:.12;filter:brightness(0) invert(1);z-index:-1}
#library .library-search-zone{
  align-self:end;
  margin:0;
  padding:22px 22px 17px;
  border:1px solid rgba(249,249,238,.48);
  border-radius:3px;
  background:rgba(245,245,233,.78);
  box-shadow:0 18px 55px rgba(7,24,17,.18);
  backdrop-filter:blur(13px);
  animation:atelier-enter .7s .2s both;
}
#library .search-caption{color:#3e5645;margin-bottom:13px}
#library .search-caption>span{color:#587052}
#library .library-search{background:#fffefa;border-color:#d9dfcd;box-shadow:0 6px 20px rgba(31,55,37,.12)}
#library .library-search:hover{background:#fffefa;border-color:#91a789}
#library .library-search-zone .search-status{color:#526b56}
#library .library-quick-search button{color:#3f5b45}
#library .library-quick-search button:hover{color:#203d2b}
@keyframes hero-image-in{from{opacity:0;transform:scale(1.11)}to{opacity:1;transform:scale(1.045)}}
@keyframes hero-image-drift{from{transform:scale(calc(1.045 + var(--hero-shift,0))) translate3d(0,0,0)}to{transform:scale(calc(1.075 + var(--hero-shift,0))) translate3d(-.7%,.6%,0)}}
@media(max-width:1100px) and (min-width:681px){
  #library .library-command{grid-template-columns:minmax(0,1fr) minmax(280px,.8fr);padding-inline:32px}
  .library-command-title h1{font-size:clamp(48px,6vw,68px)}
}
@media(max-width:680px){
  #library .library-command{display:flex;flex-direction:column;justify-content:flex-end;align-items:stretch;min-height:calc(100svh - var(--header-h));padding:84px 22px 34px}
  .library-hero-image{object-position:58% center;filter:saturate(.78) contrast(.94)}
  .library-command-title{align-self:stretch;width:auto;max-width:none}
  .library-command-title p{font-size:9px;margin-bottom:15px;letter-spacing:.14em}
  .library-command-title h1{font-size:clamp(42px,13vw,60px);line-height:1.13}
  .library-command-title>span{font-size:12px;margin-top:13px;letter-spacing:.09em}
  #library .library-search-zone{align-self:stretch;width:auto;margin-top:30px;padding:17px 15px 12px;background:rgba(245,245,233,.88)}
  #library .library-search{min-height:54px}
  #library .library-quick-search{gap:18px}
  .archive-botanical{right:-25px;top:38px;opacity:.09}
}
@media(prefers-reduced-motion:reduce){.library-hero-image{animation:none;transform:scale(1.045)}}

/* Reading routes and material identity, October 2026. */
.library-reading-routes{display:grid;grid-template-columns:1.12fr repeat(4,1fr);gap:0;margin:0 0 32px;border:1px solid #d9dccf;background:#f0f1e9;border-radius:3px;overflow:hidden}
.library-reading-routes>div{padding:22px 24px;align-self:center}.library-reading-routes>div small{font-size:9px;letter-spacing:.12em;color:#69745d}.library-reading-routes>div p{margin:10px 0 0;font-family:var(--serif,serif);font-size:20px;color:#243f30}
.library-reading-routes>button{position:relative;display:flex;flex-direction:column;align-items:start;justify-content:center;gap:10px;min-height:104px;padding:22px 18px;border:0;border-left:1px solid #d9dccf;border-radius:0;background:transparent;text-align:left;color:#314532;transition:background .2s}
.library-reading-routes>button:hover{background:#e5e9da}.library-reading-routes button span{font-size:10px;letter-spacing:.07em;color:#6b765f}.library-reading-routes button b{font-size:14px;font-weight:500}.library-reading-routes button i{position:absolute;right:14px;top:18px;font-size:13px;font-style:normal;color:#849276}.is-initializing .library-reading-routes{display:none}
#library .material-filters{padding:18px 0 24px;border-bottom:1px solid #d9dccf;margin-bottom:4px}.material-filters[hidden]{display:none!important}.material-filters>p{margin:0 0 13px;font-size:12px;color:#304432}.material-filters>p span{margin-left:16px;font-size:10px;color:#7b806e}.material-filters>div{display:flex;gap:8px;flex-wrap:wrap}.material-filters button{border:1px solid #d2d7c7;border-radius:2px;background:transparent;padding:10px 12px;min-height:42px;font-size:11px;color:#58614e}.material-filters button[aria-pressed=true]{background:#344b35;border-color:#344b35;color:#fff}.material-filters button em{margin-left:10px;font-style:normal;font-size:10px;opacity:.7}.material-filters>small{display:block;max-width:710px;font-size:10px;line-height:1.8;color:#7c806f;margin-top:13px}
#library .library-title .material-badge{display:inline-block;margin:0 7px 4px 0;padding:3px 6px;font-size:9px;line-height:1.3;border:1px solid #d4dbc9;color:#536e4f;letter-spacing:0}
.material-identity{padding:25px 28px;margin:24px 0;background:#f0f2e9;border:1px solid #d6ddca;border-left:3px solid #6f875a;border-radius:2px;color:#3f4b36}.material-identity .material-identity-kicker{font-size:10px;letter-spacing:.08em;color:#738061;margin:0 0 12px}.material-identity h3{font-size:22px;font-weight:500;margin:0 0 15px}.material-identity p,.material-identity li{font-size:13px;line-height:1.95}.material-identity ul{padding-left:20px}.material-identity .material-latin{font-family:Georgia,serif;font-style:italic}.material-source-links{display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:18px}.material-source-links a{font-size:11px;text-decoration:underline;text-underline-offset:4px;color:#526944}.material-identity>small{display:block;font-size:10px;margin:14px 0;color:#7c846e}.material-identity>button{font-size:12px;border:0;border-bottom:1px solid #849976;border-radius:0;padding:8px 0;background:transparent;color:#405c34}
.curated-practice{margin:30px 0;padding:22px 26px;background:#f4f4ec;border:1px solid #dedfce}.curated-practice h4{margin:0;font-size:17px}.curated-practice ol{padding-left:20px;font-size:13px;line-height:2}.curated-practice small{font-size:10px;color:#7f856f}
.library-reading-routes button:focus-visible,.material-filters button:focus-visible,.material-identity button:focus-visible{outline:2px solid #546f3d;outline-offset:-4px}
@media(max-width:1000px){.library-reading-routes{grid-template-columns:repeat(4,1fr)}.library-reading-routes>div{grid-column:1/-1;padding:16px 20px;border-bottom:1px solid #d9dccf;display:flex;align-items:center;gap:20px}.library-reading-routes>div p{margin:0;font-size:18px}.library-reading-routes>button:nth-child(2){border-left:0}}
@media(max-width:640px){.library-reading-routes{grid-template-columns:repeat(2,minmax(0,1fr));margin:0 22px 24px}.library-reading-routes>div{display:block;padding:16px}.library-reading-routes>div p{margin-top:7px}.library-reading-routes>button{padding:16px;min-height:90px;gap:9px}.library-reading-routes>button:nth-child(4){border-left:0;border-top:1px solid #d9dccf}.library-reading-routes>button:nth-child(5){border-top:1px solid #d9dccf}.library-reading-routes button b{font-size:13px}.material-filters>p span{display:block;margin:6px 0 0}.material-filters>div{gap:6px}.material-filters button{font-size:10px;padding:9px 10px}.material-identity{padding:22px 18px}.material-identity h3{font-size:20px}}

/* v164 — 以专题串联植物档案与学习资料。 */
.learning-collections { margin: 20px 0 30px; }
.learning-collections[hidden] { display: none; }
.learning-collections > header { display: flex; justify-content: space-between; align-items: end; gap: 20px; margin-bottom: 18px; }
.learning-collections > header small, .botanical-dossier > header > p:first-child { color: #71816e; font-size: 10px; letter-spacing: .13em; }
.learning-collections h3 { margin: 7px 0 0; font-family: var(--font-serif, serif); font-size: 23px; font-weight: 500; }
.learning-collections > header > span { color: #7a8074; font-size: 11px; white-space: nowrap; }
.learning-collection-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 12px; }
.learning-collection-grid > article { position: relative; padding: 22px 20px 16px; background: #f8f7f0; border: 1px solid #dfdfd2; border-radius: 3px; }
.learning-collection-grid > article > span { color: #a1a88f; font-family: Georgia,serif; font-style: italic; font-size: 19px; }
.learning-collection-grid h4 { color: #3f5343; margin: 10px 0 6px; font-size: 16px; font-weight: 500; }
.learning-collection-grid p { margin: 0 0 15px; color: #858576; font-size: 11px; line-height: 1.8; }
.learning-collection-grid nav { display: grid; }
.learning-collection-grid button { display: flex; justify-content: space-between; align-items: start; gap: 8px; padding: 9px 0; text-align: left; background: none; border: 0; border-top: 1px solid #e5e5d9; color: #52614e; font-size: 12px; line-height: 1.7; cursor: pointer; }
.learning-collection-grid button i { font-style: normal; color: #929d7d; }
.learning-collection-grid button:hover { color: #263f2e; }
.botanical-shelf { border-bottom: 1px solid #dfdfd2; margin-top: 12px; padding: 14px 0; }
.botanical-shelf summary { cursor: pointer; color: #52614e; font-size: 13px; }
.botanical-shelf summary span { margin-left: 18px; color: #838b79; font-size: 11px; }
.botanical-shelf > div { display: grid; grid-template-columns: repeat(5,minmax(0,1fr)); gap: 8px; margin-top: 14px; }
.botanical-shelf button { padding: 12px; text-align: left; color: #52614e; background: #f8f7f0; border: 1px solid #e5e5d9; cursor: pointer; }
.botanical-shelf b, .botanical-shelf small { display: block; }
.botanical-shelf b { font-weight: 500; font-size: 12px; }
.botanical-shelf small { margin-top: 5px; color: #858576; font-size: 10px; }
.botanical-row-copy { min-width: 0; }
.botanical-row-copy p { margin: 0; font-size: 13px; line-height: 1.9; color: #626b5d; }
.botanical-row-copy small { display: block; font-size: 10px; line-height: 1.8; color: #929487; margin-top: 5px; overflow-wrap: anywhere; }
.botanical-dossier { margin: 24px 0; color: #53604f; line-height: 1.95; }
.botanical-dossier > header { padding: 24px; background: #f5f5ed; border: 1px solid #e0e2d4; }
.botanical-dossier h3 { margin: 8px 0; color: #344b39; font-size: 26px; font-weight: 500; }
.botanical-dossier h3 span { display: block; margin-top: 4px; color: #87907b; font-size: 13px; letter-spacing: .04em; }
.botanical-latin { font-family: Georgia,serif; font-style: italic; overflow-wrap: anywhere; }
.botanical-dossier p { font-size: 14px; }
.botanical-facts { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; margin: 16px 0 28px; background: #e2e4d8; border: 1px solid #e2e4d8; }
.botanical-facts > div { background: #fbfaf5; padding: 14px 18px; }
.botanical-facts > div:last-child { grid-column: 1 / -1; }
.botanical-facts dt { color: #87907b; font-size: 11px; }
.botanical-facts dd { margin: 5px 0 0; font-size: 14px; }
.botanical-dossier > section { margin: 25px 0; }
.botanical-dossier h4 { font-weight: 500; font-size: 17px; color: #3d5540; }
.botanical-dossier li { margin: 10px 0; font-size: 14px; }
.botanical-dossier small { color: #8b927f; font-size: 11px; }
.botanical-related { display: flex; flex-wrap: wrap; gap: 8px; margin: 24px 0; }
.botanical-related button { padding: 10px 14px; background: #f1f3e9; border: 1px solid #dce1cd; color: #506548; text-align: left; cursor: pointer; font-size: 12px; }
.botanical-sources { border-top: 1px solid #dedfd3; padding: 16px 0; }
.botanical-sources summary { color: #6e7b62; cursor: pointer; font-size: 13px; }
.botanical-sources > a { display: block; padding: 12px 0; border-bottom: 1px solid #e5e6dc; color: #566e4b; text-decoration: none; }
.botanical-sources > a b, .botanical-sources > a span { display: block; font-size: 12px; font-weight: 400; }
.botanical-sources > a span { color: #929885; font-size: 11px; margin-top: 4px; }
.botanical-sources > small { display: block; margin-top: 12px; }
@media (max-width: 1050px) { .learning-collection-grid { grid-template-columns: repeat(2,minmax(0,1fr)); } .learning-collections > header { align-items: start; flex-direction: column; gap: 10px; } .botanical-shelf > div { grid-template-columns: repeat(3,minmax(0,1fr)); } }
@media (max-width: 600px) { .learning-collection-grid { grid-template-columns: 1fr; gap: 10px; } .learning-collection-grid > article { padding: 18px; } .learning-collections h3 { font-size: 20px; } .botanical-shelf > div { grid-template-columns: repeat(2,minmax(0,1fr)); } .botanical-dossier > header { padding: 18px; } .botanical-facts { grid-template-columns: 1fr; } .botanical-library-row .botanical-row-copy { grid-column: 1 / -1; } .botanical-dossier h3 { font-size: 23px; } }
.study-details { margin: 28px 0; padding: 24px; border: 1px solid #d8dfd2; border-radius: 16px; background: #f5f7f0; }
.study-details > p { color: #64715f; font-size: 13px; }
.study-details dl { margin: 18px 0 0; }
.study-details dl > div { display: grid; grid-template-columns: 100px minmax(0,1fr); gap: 16px; padding: 13px 0; border-top: 1px solid #dfe5d8; }
.study-details dt { color: #53654e; font-size: 13px; font-weight: 600; }
.study-details dd { margin: 0; line-height: 1.8; overflow-wrap: anywhere; }
@media (max-width: 600px) { .study-details { padding: 18px; } .study-details dl > div { grid-template-columns: 1fr; gap: 5px; } }
.library-glossary { margin: 0 0 24px; border: 1px solid var(--line); background: #f4f5ed; }
.library-glossary > summary { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; cursor: pointer; padding: 18px 20px; font-size: 15px; color: var(--ink); }
.library-glossary > summary span { font-size: 12px; color: var(--muted); }
.library-glossary dl { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 1px; margin: 0; background: var(--line); border-top: 1px solid var(--line); }
.library-glossary dl > div { padding: 20px; background: var(--paper-light); min-width: 0; }
.library-glossary dt { font-size: 16px; font-weight: 600; color: var(--ink); }
.library-glossary dt small { display: block; margin-top: 5px; font-size: 12px; font-weight: 400; color: var(--muted); }
.library-glossary dd { margin: 12px 0; font-size: 13px; line-height: 1.9; color: var(--muted); }
.library-glossary button { padding: 7px 0; border: 0; background: transparent; font-size: 12px; color: var(--ink); cursor: pointer; text-align: left; }
.library-glossary button:hover { text-decoration: underline; }
@media(max-width:600px) { .library-glossary dl { grid-template-columns: minmax(0,1fr); } }

/* 专题书架：按阅读问题筛选，正文分类与术语仍保留。 */
.collection-filters { display:flex; flex-wrap:wrap; gap:8px; margin:20px 0 8px; }
.collection-filters button { display:inline-flex; align-items:center; gap:9px; min-height:42px; padding:9px 15px; border:1px solid #d7d9ca; border-radius:24px; background:#fcfbf5; color:#465347; font:inherit; font-size:13px; cursor:pointer; }
.collection-filters button small { font-size:11px; opacity:.72; }
.collection-filters button[aria-pressed="true"] { background:#344f40; border-color:#344f40; color:#fffdf4; }
.collection-filters button:focus-visible { outline:2px solid #8a6943; outline-offset:3px; }
.collection-filter-status { margin:0 0 14px; color:#687264; font-size:12px; }

.basics-reading-path { display:flex; flex-wrap:wrap; justify-content:space-between; gap:8px 16px; margin:0 0 28px; padding:14px 16px; background:#f1f2e9; border-left:3px solid #4c654f; color:#42533f; font-size:13px; line-height:1.7; }
.basics-reading-path span { white-space:nowrap; color:#6b7366; font-size:12px; }
.basics-next .basics-path-end { align-self:center; text-align:right; color:#6b7366; font-size:12px; line-height:1.7; }

/* Source reader: original quotations keep their source language and attribution. */
.source-format-tabs{display:flex;flex-wrap:wrap;gap:8px;margin:26px 0 22px}
.source-format-tabs button{border:1px solid #c4cebb;background:transparent;padding:12px 18px;color:#3b4e39;border-radius:2px;font-size:13px;cursor:pointer}
.source-format-tabs button[aria-pressed="true"]{background:#354d37;border-color:#354d37;color:#fff}
.source-format-tabs button span{margin-left:12px;font-size:11px;opacity:.75}
.source-format-tabs button:focus-visible{outline:2px solid #546f3d;outline-offset:3px}
.original-source-heading{padding:20px 0 22px;border-bottom:1px solid #dce0d3}
.original-source-heading>p:first-child{font-weight:600;color:#40543b;overflow-wrap:anywhere}
.original-section{padding:10px 0 25px}
.original-section h3{overflow-wrap:anywhere;line-height:1.6}
.source-quotation{margin:18px 0 14px;padding:5px 0 5px 23px;border-left:2px solid #9caa8d;color:#3d4938;font-size:15px;line-height:1.95;overflow-wrap:anywhere}
.source-quotation p{margin:0 0 18px!important;line-height:inherit!important}
.source-quotation p:last-child{margin-bottom:0!important}
.source-quotation[lang="en"]{font-family:Georgia,"Times New Roman",serif;font-size:17px;line-height:1.85;letter-spacing:0}
.quotation-citation{display:block;color:#66775e;font-size:11px;line-height:1.8;overflow-wrap:anywhere;text-decoration:underline;text-underline-offset:3px}
.original-reuse{display:grid;gap:9px;padding:20px 0 0;border-top:1px solid #dce0d3;font-size:11px;line-height:1.7;color:#697660}
.original-reuse a{color:inherit;text-decoration:underline;text-underline-offset:3px;overflow-wrap:anywhere}
.source-preview{margin:12px 0;padding-left:17px;border-left:2px solid #b7c3a8;max-width:100%;overflow-wrap:anywhere}
.source-preview p{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;line-height:1.85}
.source-preview[lang="en"]{font-family:Georgia,"Times New Roman",serif;letter-spacing:0}
.evidence-row>div{min-width:0}.evidence-row h2{overflow-wrap:anywhere}
.research-ledger{flex-wrap:wrap;gap:26px 42px}
@media(max-width:640px){.source-format-tabs{gap:7px}.source-format-tabs button{padding:11px 12px;font-size:12px}.source-format-tabs button span{margin-left:7px}.source-quotation{padding-left:16px;font-size:14px}.source-quotation[lang="en"]{font-size:16px}.original-section{padding-bottom:18px}.original-source-heading{padding-top:8px}.research-ledger{gap:20px 30px}}