/* Stable cover variants, light motion only while visible. */
.lib-art-cover{position:relative;isolation:isolate;overflow:hidden;color:#fff;background:linear-gradient(125deg,var(--art-bg),var(--art-deep));--art-paper:#fff8ff;--art-pop:#ffe58c;--art-ink:#6242b6;--art-bg:#865ee6;--art-deep:#493394;aspect-ratio:2.45/1}
.lib-art-cover--p1{--art-bg:#278ccd;--art-deep:#1352a2;--art-ink:#15549c;--art-paper:#e8f5ff;--art-pop:#9df0de}
.lib-art-cover--p2{--art-bg:#279e90;--art-deep:#10645f;--art-ink:#116b63;--art-paper:#edfff6;--art-pop:#e2f68d}
.lib-art-cover--p3{--art-bg:#e99b68;--art-deep:#c5604a;--art-ink:#a74333;--art-paper:#fff5e7;--art-pop:#ffe19e}
.lib-art-cover--p4{--art-bg:#d16f9c;--art-deep:#904276;--art-ink:#994774;--art-paper:#fff2f6;--art-pop:#ffe3a1}
.lib-art-cover--p5{--art-bg:#5b72c0;--art-deep:#293b7f;--art-ink:#384d9a;--art-paper:#f1f3ff;--art-pop:#bcebaa}
.lib-art-brand{position:absolute;left:6%;top:13%;z-index:3;font:850 9px/1.2 Nunito,system-ui,sans-serif;letter-spacing:3px;opacity:.8}
.lib-art-topic{position:absolute;left:6%;top:41%;max-width:47%;z-index:3;font:900 clamp(15px,1.8vw,25px)/1.18 Nunito,system-ui,sans-serif;letter-spacing:-.25px;text-wrap:balance}
.lib-art-illustration{position:absolute;inset:0 -2% 0 auto;width:52%;z-index:2;transform:rotate(-4deg);transform-origin:50% 60%}
.lib-art-illustration>svg{display:block;width:100%;height:100%;overflow:visible;filter:drop-shadow(5px 10px 0 #00000013)}
.lib-art-pattern{position:absolute;inset:0;background-image:radial-gradient(#ffffff45 1px,transparent 1px);background-size:18px 18px;mask-image:linear-gradient(120deg,transparent 30%,#000 100%);opacity:.3}
.lib-art-cover--layout1 .lib-art-pattern{background:repeating-linear-gradient(125deg,transparent 0 28px,#ffffff22 29px 30px);mask-image:linear-gradient(90deg,transparent,#000)}
.lib-art-cover--layout1 .lib-art-illustration{transform:rotate(7deg);right:1%;width:54%}
.lib-art-cover--layout2 .lib-art-pattern{inset:10% -15% -80% 35%;border:1px solid #ffffff30;border-radius:50%;background:none;box-shadow:0 0 0 22px #ffffff08,0 0 0 45px #ffffff06,0 0 0 70px #ffffff04;mask-image:none;opacity:1}
.lib-art-cover--layout2 .lib-art-illustration{transform:rotate(-9deg);width:55%}
.lib-art-glint{position:absolute;left:15%;bottom:16%;width:32px;height:3px;border-radius:9px;background:var(--art-pop);opacity:.85}
.lib-art-float{transform-origin:50% 55%;animation:lib-art-float 6s ease-in-out infinite;animation-delay:var(--art-delay);animation-play-state:paused}
.lib-art-spark{transform-origin:center;animation:lib-art-spark 4s ease-in-out infinite;animation-delay:var(--art-delay);animation-play-state:paused}
.lib-art-cover.is-in-view .lib-art-float,.lib-art-cover.is-in-view .lib-art-spark{animation-play-state:running}
.lib-art-paused .lib-art-float,.lib-art-paused .lib-art-spark{animation-play-state:paused!important}
.lib-art-cover.lib-res-cover--sm .lib-art-brand,.lib-art-cover.lib-res-cover--sm .lib-art-topic,.lib-art-cover.lib-res-cover--sm .lib-art-glint{display:none}.lib-art-cover.lib-res-cover--sm .lib-art-illustration{width:100%;inset:0;transform:none}
.lib-reading-section{margin-top:40px;padding-top:32px;border-top:1px solid var(--ld-border,#e2e5ef)}
.lib-discovery-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:20px}.lib-discovery-heading h2{display:flex;align-items:center;gap:10px;margin:0;color:var(--ld-ink,#242a40);font-size:22px;font-weight:900}.lib-discovery-heading h2 svg{width:23px;height:23px;color:var(--ld-brand,#0b57d0)}.lib-discovery-heading p{margin:7px 0 0;color:var(--ld-muted,#64718b);font-size:13px}
.lib-reading-link{display:inline-flex;align-items:center;gap:8px;padding:10px 14px;border:1px solid var(--ld-border,#e2e5ef);border-radius:12px;background:var(--ld-surface,#fff);color:var(--ld-brand,#0b57d0);font:800 12px/1.4 Nunito,system-ui,sans-serif;white-space:nowrap;cursor:pointer}.lib-reading-link svg{width:17px;height:17px}
.lib-res-card__reason{display:flex;align-items:flex-start;gap:5px;margin:0 0 10px;color:var(--ld-muted,#64718b);font-size:11px;line-height:1.5}.lib-res-card__reason svg{width:13px;height:13px;flex:none;margin-top:1px;color:var(--ld-brand,#0b57d0)}
.lib-readings-page .lib-discovery-type-tabs{display:none}.lib-readings-page .lib-discovery-toolbar__row{justify-content:flex-end}.lib-readings-page .lib-home-intro{margin-bottom:20px}
@keyframes lib-art-float{0%,100%{transform:translateY(0) rotate(0deg)}50%{transform:translateY(-5px) rotate(2deg)}}
@keyframes lib-art-spark{0%,100%{opacity:.55;transform:translateY(0)}50%{opacity:1;transform:translateY(-6px)}}
@media(hover:hover){.ex-card:hover .lib-art-illustration{filter:brightness(1.03)}.ex-card:hover .lib-art-glint{width:50px;transition:width .3s}}
@media(max-width:700px){.lib-art-topic{font-size:21px}.lib-discovery-heading{align-items:flex-start}.lib-discovery-heading h2{font-size:20px}.lib-discovery-heading p{font-size:12px}.lib-reading-link{padding:9px 10px;font-size:11px}.lib-reading-section{margin-top:28px;padding-top:24px}}
@media(prefers-reduced-motion:reduce){.lib-art-cover .lib-art-float,.lib-art-cover .lib-art-spark{animation:none!important}.lib-art-cover *{transition:none!important}}
/* Search: compact metadata, readable titles and separate reading results. */
body.lib-search-open{overflow:hidden}
.ex-body .lib-search-overlay{padding:clamp(24px,9vh,90px) 20px 24px;background:#151b3d66;backdrop-filter:blur(9px);align-items:flex-start;z-index:10020}
.ex-body .lib-search-overlay[hidden]{display:none!important}
.ex-body .lib-search-dialog{width:min(780px,100%);max-width:780px;max-height:calc(100dvh - 120px);display:flex;flex-direction:column;overflow:hidden;border:1px solid var(--ld-border,#dfe4ef);border-radius:24px;background:var(--ld-surface,#fff);box-shadow:0 32px 100px #10183a40;animation:lib-search-enter .18s ease-out}
.lib-search-topline{display:flex;align-items:center;justify-content:space-between;padding:15px 20px 8px;color:var(--ld-muted,#68728b);font:800 11px/1.5 Nunito,system-ui,sans-serif;letter-spacing:.3px}.lib-search-topline>span{display:flex;align-items:center;gap:7px}.lib-search-topline svg{width:15px;height:15px;color:var(--ld-brand,#0b57d0)}
.lib-search-topline button{display:grid;place-items:center;width:32px;height:32px;border:0;border-radius:10px;background:var(--ld-bg,#f5f6fb);color:var(--ld-muted,#68728b);cursor:pointer}.lib-search-topline button svg{width:16px;height:16px;color:inherit}
.ex-body .lib-search-dialog .ex-overlay-head{display:flex;flex:none;align-items:center;gap:12px;margin:0 20px 12px;padding:10px 12px;border:1px solid var(--ld-border,#dfe4ef);border-radius:14px;background:var(--ld-bg,#f6f7fb);box-shadow:none;transition:border-color .15s,box-shadow .15s}.ex-body .lib-search-dialog .ex-overlay-head:focus-within{border-color:var(--ld-brand,#0b57d0);box-shadow:0 0 0 3px #0b57d00c}
.lib-search-dialog .ex-overlay-head>svg{flex:0 0 20px;width:20px;height:20px;color:var(--ld-brand,#0b57d0)}
.ex-body .lib-search-dialog .ex-overlay-head input{min-width:0;flex:1;width:100%;padding:4px 0;border:0;outline:none;background:transparent;font:750 17px/1.5 Nunito,system-ui,sans-serif;box-shadow:none;color:var(--ld-ink,#222d46)}.lib-search-dialog input::-webkit-search-cancel-button{display:none}
.lib-search-dialog #exSearchClear{display:grid;place-items:center;width:30px;min-width:30px;height:34px;padding:0;border:0;border-radius:8px;background:transparent;color:var(--ld-muted,#68728b);cursor:pointer}.lib-search-dialog #exSearchClear[hidden]{display:none}.lib-search-dialog #exSearchClear svg{width:15px;height:15px}
.lib-search-dialog #exSearchGo{min-height:38px;padding:8px 16px;border:0;border-radius:10px;background:var(--ld-brand,#0b57d0);color:#fff;white-space:nowrap;font:850 12px/1.5 Nunito,system-ui,sans-serif;cursor:pointer}
.lib-search-status{min-height:25px;padding:0 22px 9px;font:700 11px/1.5 Nunito,system-ui,sans-serif;color:var(--ld-muted,#68728b)}.lib-search-status:empty{display:none}
.lib-search-filters{display:flex;gap:6px;overflow-x:auto;flex:none;padding:0 20px 12px;scrollbar-width:none}.lib-search-filters[hidden]{display:none}.lib-search-filters button{display:flex;align-items:center;gap:6px;flex:none;padding:7px 10px;min-height:34px;border:1px solid var(--ld-border,#dfe4ef);border-radius:10px;background:transparent;color:var(--ld-muted,#68728b);font:800 11px/1.3 Nunito,system-ui,sans-serif;cursor:pointer}.lib-search-filters svg{width:14px;height:14px}.lib-search-filters b{font-size:10px;opacity:.65;font-variant-numeric:tabular-nums}.lib-search-filters button[aria-pressed=true]{color:var(--ld-brand,#0b57d0);background:var(--ld-soft,#eaf1ff);border-color:transparent}
.ex-body .lib-search-dialog .ex-overlay-body{overflow-y:auto;overscroll-behavior:contain;padding:0 14px 12px;min-height:90px;scrollbar-width:thin}
.lib-search-section-label{display:flex;align-items:center;gap:8px;margin:16px 8px 8px;color:var(--ld-muted,#68728b);font:850 10px/1.5 Nunito,system-ui,sans-serif;letter-spacing:1px;text-transform:uppercase}.lib-search-section-label>span{font-size:10px;letter-spacing:0;opacity:.7}.lib-search-group+.lib-search-group{margin-top:12px;padding-top:4px;border-top:1px solid var(--ld-border,#dfe4ef)}
.lib-search-hit{display:flex;align-items:center;gap:14px;padding:12px 8px;border-radius:13px;border:1px solid transparent;transition:background .15s;min-width:0}.lib-search-hit:hover,.lib-search-hit:focus-within{background:var(--ld-bg,#f6f7fb)}
.lib-search-hit__cover{flex:0 0 78px;width:78px;height:66px;overflow:hidden;border-radius:12px}.lib-search-hit__cover .lib-res-cover{width:100%;height:100%;aspect-ratio:auto}.lib-search-hit__cover .lib-art-illustration{width:100%}.lib-search-hit__cover .lib-res-cover__img{width:100%;height:100%;object-fit:cover}
.lib-search-hit__copy{flex:1;min-width:0}.lib-search-hit__type{display:flex;align-items:center;gap:4px;margin-bottom:3px;color:var(--ld-brand,#0b57d0);font:850 9px/1.4 Nunito,system-ui,sans-serif;letter-spacing:.4px;text-transform:uppercase}.lib-search-hit__type[data-kind=article]{color:#a26148}.lib-search-hit__type[data-kind=slide]{color:#11877d}.lib-search-hit__type svg{width:12px;height:12px}
.lib-search-hit h3{margin:0}.lib-search-result-title{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;width:100%;padding:0;border:0;background:transparent;text-align:left;color:var(--ld-ink,#222d46);font:850 14px/1.45 Nunito,system-ui,sans-serif;cursor:pointer}.lib-search-result-title mark{background:#ffdf8d60;border-radius:3px;padding:0;color:inherit}
.lib-search-hit__copy>p{margin:4px 0 0;color:var(--ld-muted,#68728b);font:650 11px/1.5 Nunito,system-ui,sans-serif}
.lib-search-hit__actions{display:flex;align-items:center;gap:6px;flex:none}.lib-search-hit__actions button{display:flex;align-items:center;justify-content:center;gap:6px;min-height:38px;border-radius:10px;font:850 11px/1.4 Nunito,system-ui,sans-serif;cursor:pointer}.lib-search-hit__actions svg{width:15px;height:15px;flex:none}.lib-search-primary{padding:9px 12px;border:1px solid var(--ld-border,#dfe4ef);background:var(--ld-surface,#fff);color:var(--ld-brand,#0b57d0)}.lib-search-preview{width:38px;padding:8px;border:1px solid transparent;background:transparent;color:var(--ld-muted,#68728b)}.lib-search-hit:hover .lib-search-primary,.lib-search-hit:focus-within .lib-search-primary{background:var(--ld-brand,#0b57d0);border-color:var(--ld-brand,#0b57d0);color:#fff}
.lib-search-footer{display:flex;justify-content:flex-end;gap:15px;flex:none;padding:11px 22px;background:var(--ld-bg,#f6f7fb);border-top:1px solid var(--ld-border,#dfe4ef);color:var(--ld-muted,#68728b);font:650 10px/1.5 Nunito,system-ui,sans-serif}.lib-search-footer span{display:flex;align-items:center;gap:4px}.lib-search-footer kbd{display:inline-grid;place-items:center;min-width:18px;height:19px;padding:0 4px;border:1px solid var(--ld-border,#dfe4ef);border-radius:5px;background:var(--ld-surface,#fff);font:inherit;font-size:9px}
.lib-search-idle{padding:10px 8px 14px}.lib-search-idle h3{margin:0 0 18px;font-size:18px;font-weight:900;color:var(--ld-ink,#222d46)}.lib-search-idle .lib-search-section-label{margin-left:0}.lib-search-query-chips,.lib-search-topic-chips{display:flex;gap:8px;flex-wrap:wrap}.lib-search-query-chips button,.lib-search-topic-chips button{display:flex;align-items:center;gap:7px;max-width:100%;padding:9px 12px;border:1px solid var(--ld-border,#dfe4ef);border-radius:11px;background:var(--ld-surface,#fff);color:var(--ld-ink,#222d46);font:750 12px/1.5 Nunito,system-ui,sans-serif;cursor:pointer;overflow-wrap:anywhere}.lib-search-query-chips svg{width:14px;height:14px;color:var(--ld-muted,#68728b)}.lib-search-muted{margin:0;color:var(--ld-muted,#68728b);font-size:12px}
.lib-search-empty{padding:35px 20px 45px;text-align:center}.lib-search-empty>svg{width:32px;height:32px;color:var(--ld-brand,#0b57d0);margin-bottom:12px}.lib-search-empty h3{margin:0 0 8px;color:var(--ld-ink,#222d46);font-size:17px;font-weight:850}.lib-search-empty p{margin:0;color:var(--ld-muted,#68728b);font-size:12px}.lib-search-empty button{margin-top:18px;padding:9px 16px;border:1px solid var(--ld-border,#dfe4ef);border-radius:10px;color:var(--ld-brand,#0b57d0);background:var(--ld-soft,#eaf1ff);font:800 12px Nunito,system-ui,sans-serif;cursor:pointer}
.lib-search-dialog button:focus-visible{outline:2px solid var(--ld-brand,#0b57d0);outline-offset:3px}
.lib-search-skeleton{padding:10px 8px}.lib-search-skeleton>div{display:flex;gap:14px;margin-bottom:16px}.lib-search-skeleton i{width:78px;height:66px;border-radius:12px;background:var(--ld-bg,#f1f3f8)}.lib-search-skeleton span{flex:1;padding-top:10px}.lib-search-skeleton b{display:block;width:75%;height:12px;margin:0 0 10px;border-radius:4px;background:var(--ld-bg,#f1f3f8)}.lib-search-skeleton b+b{width:35%}
@keyframes lib-search-enter{from{opacity:0;transform:translateY(8px) scale(.99)}to{opacity:1;transform:none}}
@media(max-width:600px){.ex-body .lib-search-overlay{padding:12px 10px}.ex-body .lib-search-dialog{max-height:calc(100dvh - 24px);border-radius:20px}.lib-search-topline{padding:10px 14px 6px}.lib-search-topline button{width:40px;height:40px}.ex-body .lib-search-dialog .ex-overlay-head{margin:0 12px 10px;padding:7px 9px;gap:8px}.ex-body .lib-search-dialog .ex-overlay-head input{font-size:16px}.lib-search-dialog #exSearchGo{padding:8px 10px;font-size:11px}.lib-search-filters{padding:0 12px 10px}.lib-search-status{padding:0 14px 8px}.ex-body .lib-search-dialog .ex-overlay-body{padding:0 6px 8px}.lib-search-hit{gap:10px;padding:11px 6px;align-items:flex-start;flex-wrap:wrap}.lib-search-hit__cover{flex-basis:60px;width:60px;height:60px}.lib-search-hit__copy{flex-basis:calc(100% - 74px)}.lib-search-result-title{font-size:13px}.lib-search-hit__copy>p{font-size:10px}.lib-search-hit__actions{margin-left:70px;margin-top:-4px}.lib-search-hit__actions button{min-height:36px}.lib-search-hit__actions .lib-search-primary{background:var(--ld-soft,#eaf1ff);color:var(--ld-brand,#0b57d0);border-color:transparent}.lib-search-footer{padding:9px 14px;justify-content:flex-end}.lib-search-footer span:nth-child(-n+2){display:none}.lib-search-idle{padding:10px}.lib-search-idle h3{font-size:17px}.lib-art-topic{font-size:clamp(12px,3vw,19px)}.lib-art-brand{font-size:7px;letter-spacing:1.5px}}
@media(prefers-reduced-motion:reduce){.ex-body .lib-search-dialog{animation:none}.lib-search-hit,.ex-body .lib-search-dialog .ex-overlay-head{transition:none}}
/* Compact resource cards: one metadata row, title, rating and primary action. */
.ex-body .lib-res-card__body{padding:16px;gap:12px}
.ex-body .lib-res-card__info{display:flex;align-items:center;justify-content:space-between;gap:8px;min-width:0}
.ex-body .lib-res-card__info .lib-res-card__eyebrow{margin:0;flex:none}
.ex-body .lib-res-card__info .lib-res-card__meta{margin:0;font-size:11px;line-height:1.4;text-align:right}
.ex-body .lib-res-card .lib-community-summary{display:inline-flex;align-self:flex-start;justify-content:flex-start;gap:6px;width:auto;min-height:30px;margin:0;padding:2px 0;border:0;font-size:11px;line-height:1.4;color:var(--ld-muted,#65718a)}
.ex-body .lib-res-card .lib-community-summary:hover{color:var(--ld-brand,#0b57d0)}
.ex-body .lib-res-card__actions{padding-top:4px}
@media(max-width:720px){.ex-body .lib-res-card__body{padding:12px;gap:10px}.ex-body .lib-res-card__info{flex-wrap:wrap;justify-content:flex-start;gap:6px 9px}.ex-body .lib-res-card__info .lib-res-card__meta{font-size:10px}.ex-body .lib-res-card .lib-community-summary{font-size:10px;min-height:28px}}