/* ============================================================
   LIBRARY — Central University Library Services
   Sub-brand layer on the CU "Calm Authority" design system.
   Loads AFTER cu.css. Adds tokens and components only; never
   redefines a --cu-* token. Brand spec: LIBRARY web/design/LIBRARY-BRAND.md
   Reading-Room Indigo is never a button. Calls to action stay CU red.
   ============================================================ */
:root{
  /* signature accent: "Reading-Room Indigo". 11.4:1 on white, 10.1:1 on the wash. */
  --lib-ink:        #26376B;
  --lib-ink-2:      #34498F;   /* hover; white text on it is 8.4:1 */
  --lib-wash:       #EEF1F9;
  --lib-paper:      #FAF6EE;   /* warm paper for editorial bands */
  --lib-rule:       #D9D2C3;
  --lib-gold:       #C99A2E;   /* a hairline and a chart series only: 2.58:1 on white, never text */

  --st-open:  #1A7038; --st-open-bg:  #E8F5E9;
  --st-soon:  #8A5A00; --st-soon-bg:  #FFF4E0;
  --st-shut:  #595959; --st-shut-bg:  #F2F2F2;
  --lib-radius: 10px;
}
.visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.lib-muted{color:var(--cu-grey)} .lib-small{font-size:var(--fs-small)}
.lib-measure{max-width:44rem}
[hidden]{display:none!important}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

/* ---------- lockup ---------- */
.lib-lockup{display:flex;align-items:center;gap:.9rem;text-decoration:none;margin-right:auto;min-width:0}
.lib-lockup .brand__logo{flex-shrink:0}
.lib-lockup__rule{width:1px;align-self:stretch;min-height:40px;background:var(--cu-line);flex-shrink:0}
.lib-lockup__name{font:600 .92rem/1.2 var(--font-display);font-variant:small-caps;letter-spacing:.04em;color:var(--cu-navy)}
.lib-lockup__name b{display:block;font:700 .7rem/1 var(--font-text);font-variant:normal;letter-spacing:.18em;color:var(--lib-ink);margin-bottom:.3rem}
@media (max-width:760px){.lib-lockup__name{font-size:.78rem;max-width:9.5rem}}
@media (max-width:420px){.lib-lockup__rule,.lib-lockup__name span{display:none}}
.header .lib-actions{display:flex;gap:.6rem;align-items:center;flex-shrink:0}
.header .lib-actions .btn{padding:.68rem 1.05rem;font-size:.86rem;min-height:44px}
.header .lib-actions .btn--ghost{border-color:var(--cu-navy);color:var(--cu-navy)}
@media (max-width:620px){.header .lib-actions .btn--ghost{display:none}}
@media (max-width:520px){.header .lib-actions{display:none}}

/* ---------- sub-nav ---------- */
.lib-subnav{background:var(--lib-ink);color:#fff;position:sticky;top:88px;z-index:45}
.lib-subnav .wrap{display:flex;gap:.15rem;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch;scroll-snap-type:x proximity}
.lib-subnav .wrap::-webkit-scrollbar{display:none}
.lib-subnav a{flex:0 0 auto;scroll-snap-align:start;color:#fff;text-decoration:none;font:600 .84rem/1 var(--font-text);padding:1rem .85rem;min-height:44px;border-bottom:3px solid transparent}
.lib-subnav a:hover{background:var(--lib-ink-2)}
.lib-subnav a[aria-current="page"]{border-bottom-color:var(--cu-gold)}
.lib-subnav a:focus-visible{outline:2px solid var(--cu-gold);outline-offset:-3px}
@media (max-width:960px){.lib-subnav{top:0;position:relative}}

/* ---------- kicker, spines ---------- */
.lib-kicker{font:600 var(--fs-kicker)/1 var(--font-text);letter-spacing:.14em;text-transform:uppercase;color:var(--lib-ink);margin:0 0 1rem;display:inline-flex;flex-direction:column;gap:.55rem}
.lib-kicker::after{content:"";width:46px;height:5px;border-top:1px solid var(--lib-gold);border-bottom:1px solid var(--lib-gold)}
.lib-spines{position:absolute;pointer-events:none;color:var(--lib-ink)}
.lib-spines svg{width:100%;height:100%;display:block}

/* ---------- hero: warm paper, a large Fraunces line, and the catalogue search as the first thing you can do ---------- */
.lib-hero{position:relative;overflow:hidden;background:var(--lib-paper);border-bottom:1px solid var(--lib-rule);padding:clamp(2.6rem,6vw,4.6rem) 0 clamp(2.4rem,5vw,3.6rem)}
.lib-hero .lib-spines{right:-10px;top:8%;width:min(430px,46vw);aspect-ratio:1;opacity:.95}
.lib-hero .wrap{position:relative}
.lib-hero h1{font-size:var(--fs-hero);margin:0 0 1rem;max-width:13ch;color:var(--cu-navy)}
.lib-hero__lede{font-size:clamp(1.02rem,1.4vw,1.16rem);color:#3b3b45;max-width:36rem;margin:0 0 1.7rem}
.lib-search{display:flex;gap:.5rem;max-width:36rem;background:#fff;border:2px solid var(--lib-ink);border-radius:999px;padding:.35rem .35rem .35rem 1.2rem;box-shadow:0 6px 22px rgba(38,55,107,.14)}
.lib-search:focus-within{outline:3px solid var(--cu-gold);outline-offset:2px}
.lib-search input{flex:1;min-width:0;border:0;background:transparent;font:500 1.02rem var(--font-text);color:var(--cu-navy);padding:.6rem 0}
.lib-search input:focus{outline:none}
.lib-search .btn{border-radius:999px;min-height:48px}
.lib-hero__links{display:flex;flex-wrap:wrap;gap:.4rem 1.4rem;margin:1rem 0 0;font-size:.92rem}
.lib-hero__links a{color:var(--lib-ink);font-weight:600}
.lib-hero__note{margin:.6rem 0 0;color:var(--cu-grey)}

.lib-pagehead{position:relative;overflow:hidden;background:var(--lib-paper);border-bottom:1px solid var(--lib-rule);padding:clamp(2.2rem,5vw,3.4rem) 0}
.lib-pagehead .lib-spines{right:-40px;top:-30px;width:300px;aspect-ratio:1;opacity:.55}
.lib-pagehead .wrap{position:relative}
.lib-pagehead h1{font-size:clamp(2rem,4vw,3rem);margin:0 0 .7rem;max-width:22ch;color:var(--cu-navy)}
.lib-pagehead p{color:#3b3b45;max-width:44rem;margin:0}
.crumbs{font-size:.84rem;color:var(--cu-grey);margin:0 0 1rem}
.crumbs a{color:var(--lib-ink)}

@media (max-width:760px){
  .lib-pagehead .lib-spines{width:150px;top:-14px;right:-30px;opacity:.14}
  .lib-hero .lib-spines{width:230px;top:auto;bottom:-24px;right:-48px;opacity:.14}
  .lib-search{padding-left:1rem}
}
@media (max-width:520px){
  .lib-search{flex-wrap:wrap;border-radius:18px;padding:.5rem;gap:.4rem}
  .lib-search input{flex:1 1 100%;padding:.7rem .7rem}
  .lib-search .btn{flex:1 1 100%;border-radius:12px}
}
/* ---------- open now ---------- */
.lib-status{display:flex;flex-wrap:wrap;gap:.8rem;margin:0;padding:0;list-style:none}
.lib-status li{flex:1 1 220px;display:flex;flex-direction:column;gap:.25rem;background:#fff;border:1px solid var(--cu-line);border-radius:var(--lib-radius);padding:.95rem 1.1rem;border-left:4px solid var(--lib-ink)}
.lib-status b{font:600 .95rem var(--font-text);color:var(--cu-navy)}
.lib-status span{font-size:.88rem;color:var(--cu-grey)}
.lib-chip{display:inline-flex;align-items:center;gap:.35rem;font:700 .74rem/1 var(--font-text);padding:.42rem .65rem .42rem .5rem;border-radius:999px;white-space:nowrap;border:1px solid transparent;min-height:30px;align-self:flex-start}
.lib-chip::before{font-size:.8rem;line-height:1}
.lib-chip--open{color:var(--st-open);background:var(--st-open-bg);border-color:#B7DFB9}.lib-chip--open::before{content:"✓"}
.lib-chip--soon{color:var(--st-soon);background:var(--st-soon-bg);border-color:#F2D9A6}.lib-chip--soon::before{content:"◐"}
.lib-chip--shut{color:var(--st-shut);background:var(--st-shut-bg);border-color:#DDD}.lib-chip--shut::before{content:"–"}
.lib-chip--tag{color:var(--lib-ink);background:var(--lib-wash);border-color:#CBD3EA}.lib-chip--tag::before{content:"•"}

/* ---------- bands, cards ---------- */
.lib-band{background:var(--lib-paper);border-block:1px solid var(--lib-rule)}
.lib-grid{display:grid;gap:1.1rem}
.lib-grid--3{grid-template-columns:repeat(3,1fr)}.lib-grid--2{grid-template-columns:repeat(2,1fr)}
@media (max-width:900px){.lib-grid--3{grid-template-columns:repeat(2,1fr)}}
@media (max-width:620px){.lib-grid--3,.lib-grid--2{grid-template-columns:1fr}}
.lib-card{display:flex;flex-direction:column;gap:.5rem;background:var(--cu-surface);border:1px solid var(--cu-line);border-radius:var(--lib-radius);padding:1.2rem 1.25rem 1.35rem;border-top:3px solid var(--lib-ink);text-decoration:none;color:inherit}
a.lib-card:hover{box-shadow:0 8px 24px rgba(38,55,107,.14);transform:translateY(-2px)}
a.lib-card{transition:box-shadow .18s ease,transform .18s ease}
a.lib-card:focus-visible{outline:3px solid var(--cu-gold);outline-offset:2px}
.lib-card h3{margin:0;font-size:1.08rem;color:var(--cu-navy)}
.lib-card p{margin:0;color:var(--cu-grey);font-size:var(--fs-small);line-height:1.6}
.lib-card__go{margin-top:auto;color:var(--lib-ink);font-weight:700;font-size:.88rem}
.lib-numeral{font:600 1.6rem/1 var(--font-display);color:var(--lib-ink);letter-spacing:.04em}
.lib-figure{margin:0 0 1.6rem}
.lib-figure img{display:block;width:100%;height:auto;max-height:380px;object-fit:cover;object-position:center 30%;border-radius:var(--lib-radius);border:1px solid var(--cu-line)}
.lib-figure figcaption{margin-top:.45rem;font-size:.84rem;color:var(--cu-grey)}
.lib-banner{margin:1.4rem 0 0}.lib-banner[hidden]{display:none}
.lib-banner img{display:block;width:100%;max-height:380px;object-fit:cover;border-radius:var(--lib-radius);border:1px solid var(--cu-line)}
.lib-prose{max-width:46rem}
.lib-prose h2{margin:2rem 0 .6rem}
.lib-prose ul{padding-left:1.2rem}.lib-prose li{margin:.3rem 0}
.lib-split{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(1.4rem,4vw,3rem);align-items:center}
@media (max-width:820px){.lib-split{grid-template-columns:1fr}}
.lib-quote{border-left:4px solid var(--lib-gold);padding:.2rem 0 .2rem 1.2rem;font:500 italic 1.2rem/1.5 var(--font-display);color:var(--cu-navy);margin:0}

/* ---------- libraries and hours ---------- */
.lib-branches{display:grid;grid-template-columns:repeat(auto-fill,minmax(310px,1fr));gap:1.1rem}
.lib-branch{background:var(--cu-surface);border:1px solid var(--cu-line);border-radius:var(--lib-radius);padding:1.2rem 1.25rem 1.1rem;border-top:3px solid var(--lib-ink)}
.lib-branch h3{margin:0 0 .3rem;font-size:1.06rem;color:var(--cu-navy)}
.lib-branch .lib-kicker{margin-bottom:.7rem}
.lib-loc{margin:0 0 .8rem;color:var(--cu-grey);font-size:var(--fs-small)}
.lib-hours{width:100%;border-collapse:collapse;font-size:.86rem}
.lib-hours th,.lib-hours td{text-align:left;padding:.45rem .5rem;border-top:1px solid var(--cu-line);vertical-align:top}
.lib-hours th{font-weight:600;color:var(--cu-navy);width:38%}
.lib-hours tr.is-now th,.lib-hours tr.is-now td{background:var(--lib-wash);font-weight:600}
.lib-tabs{display:flex;flex-wrap:wrap;gap:.5rem;margin:0 0 1.4rem}
.lib-tab{font:600 .86rem var(--font-text);padding:.6rem 1rem;min-height:44px;border-radius:999px;border:1.5px solid var(--lib-ink);background:#fff;color:var(--lib-ink);cursor:pointer}
.lib-tab[aria-pressed="true"]{background:var(--lib-ink);color:#fff}
.lib-tab:focus-visible{outline:3px solid var(--cu-gold);outline-offset:2px}
.lib-period{display:inline-flex;gap:.5rem;align-items:center;margin:0 0 1rem}

/* ---------- e-resources directory ---------- */
.lib-filters{display:flex;flex-wrap:wrap;gap:.7rem;align-items:center;margin:0 0 1rem}
.lib-filters input[type="search"]{flex:1 1 260px;min-height:48px;padding:.6rem 1rem;border:1.5px solid var(--lib-ink);border-radius:999px;font:500 1rem var(--font-text)}
.lib-filters input:focus-visible{outline:3px solid var(--cu-gold);outline-offset:2px}
.lib-reslist{list-style:none;margin:0;padding:0;border:1px solid var(--cu-line);border-radius:var(--lib-radius);background:var(--cu-surface);overflow:hidden}
.lib-res{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1.3fr) auto;gap:.4rem 1rem;align-items:center;padding:.85rem 1.1rem;border-top:1px solid var(--cu-line)}
.lib-res:first-child{border-top:0}
.lib-res:hover{background:var(--lib-wash)}
.lib-res__name{font-weight:700;color:var(--lib-ink)}
.lib-res a{text-decoration:none}.lib-res a:hover .lib-res__name{text-decoration:underline}
.lib-res a:focus-visible{outline:3px solid var(--cu-gold);outline-offset:2px;border-radius:4px}
.lib-res__subject{color:var(--cu-grey);font-size:.88rem}
@media (max-width:700px){.lib-res{grid-template-columns:1fr auto}.lib-res__subject{grid-column:1/-1;order:3}}
.lib-count{color:var(--cu-grey);font-size:.9rem;margin:.6rem 0 0}

/* ---------- team ---------- (the shared directorate-team component draws its own cards) */
.dt{--dt-accent:#26376B}

/* ---------- empty, notices, forms ---------- */
.lib-empty{text-align:center;padding:2.2rem 1.4rem;border:1px dashed #CBD3EA;border-radius:var(--lib-radius);background:linear-gradient(180deg,#fff,var(--lib-wash))}
.lib-empty h3{margin:0 0 .35rem;font-size:1.02rem}.lib-empty p{margin:0 auto;max-width:30rem;color:var(--cu-grey);font-size:var(--fs-small)}
.lib-notice{border-radius:var(--lib-radius);padding:1rem 1.15rem;border:1px solid #CBD3EA;background:var(--lib-wash);font-size:.93rem;line-height:1.6;border-left:4px solid var(--lib-ink)}
.lib-notice strong{color:var(--cu-navy)}
.lib-notice--bad{background:#FDECEA;border-color:#F4C2BD;border-left-color:#B42318}
.lib-form{display:grid;gap:1rem;max-width:36rem}
.lib-field label{display:block;font:600 .9rem var(--font-text);margin:0 0 .35rem;color:var(--cu-navy)}
.lib-field input,.lib-field select,.lib-field textarea{width:100%;min-height:48px;padding:.65rem .85rem;border:1.5px solid #9AA3BD;border-radius:8px;font:400 1rem var(--font-text);background:#fff}
.lib-field textarea{min-height:9rem}
.lib-field input:focus-visible,.lib-field select:focus-visible,.lib-field textarea:focus-visible{outline:3px solid var(--cu-gold);outline-offset:1px;border-color:var(--lib-ink)}
.lib-news{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.1rem}
.lib-news article{background:var(--cu-surface);border:1px solid var(--cu-line);border-radius:var(--lib-radius);overflow:hidden;display:flex;flex-direction:column;border-top:3px solid var(--lib-ink)}
.lib-news img{width:100%;height:170px;object-fit:cover;display:block}
.lib-news .lib-news__b{padding:1rem 1.15rem 1.2rem;display:flex;flex-direction:column;gap:.4rem}
.lib-news h3{margin:0;font-size:1.05rem}.lib-news time,.lib-news .lib-kind{font-size:.8rem;color:var(--cu-grey)}
.lib-docs{list-style:none;margin:0;padding:0;display:grid;gap:.6rem}
.lib-docs li{display:flex;gap:.8rem;align-items:baseline;justify-content:space-between;background:var(--cu-surface);border:1px solid var(--cu-line);border-radius:8px;padding:.8rem 1rem}
.lib-table-wrap{overflow-x:auto;border:1px solid var(--cu-line);border-radius:var(--lib-radius);background:var(--cu-surface)}
.lib-table{width:100%;border-collapse:collapse;font-size:var(--fs-small)}
.lib-table caption{caption-side:top;text-align:left;padding:.9rem 1rem .4rem;font:600 .95rem var(--font-text);color:var(--cu-navy)}
.lib-table th,.lib-table td{padding:.7rem 1rem;text-align:left;border-top:1px solid var(--cu-line);vertical-align:top}
.lib-table thead th{background:var(--lib-ink);color:#fff;border-top:0}
.lib-toasts{position:fixed;bottom:1rem;right:1rem;z-index:100}
.lib-footer-motto{font:500 italic .98rem/1.4 var(--font-display);color:var(--cu-gold)}

/* ---------- print: the policy and the rules print cleanly ---------- */
@media print{.topbar,.header,.lib-subnav,.footer,.lib-search,.lib-tabs,.lib-spines{display:none!important}.lib-pagehead,.lib-hero{background:#fff;border:0}a{color:#000}}