:root{color-scheme:light dark;--bg:#f5f7f4;--panel:#fff;--text:#192b29;--muted:#526660;--line:#ccd8d2;--accent:#145f54;--notice:#e5eee7}
@media(prefers-color-scheme:dark){:root{--bg:#131d1b;--panel:#1e2c28;--text:#e4eee9;--muted:#b2c7bc;--line:#3b5248;--accent:#94dcc1;--notice:#293e32}}
html[data-theme=light]{color-scheme:light;--bg:#f5f7f4;--panel:#fff;--text:#192b29;--muted:#526660;--line:#ccd8d2;--accent:#145f54;--notice:#e5eee7}
html[data-theme=dark]{color-scheme:dark;--bg:#131d1b;--panel:#1e2c28;--text:#e4eee9;--muted:#b2c7bc;--line:#3b5248;--accent:#94dcc1;--notice:#293e32}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:17px/1.65 system-ui,sans-serif;overflow-wrap:anywhere}a{color:var(--accent);text-underline-offset:.2em}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:3px}.top,.languages,main,footer{max-width:1200px;margin:auto;padding:20px 28px}.top{display:flex;align-items:center;gap:20px}.top .brand{font-weight:800;text-decoration:none;font-size:24px;margin-right:auto}.top a,.languages a,.back,.downloads a,.paging a{display:inline-flex;align-items:center;min-height:44px;padding:8px}.languages{padding-top:0;display:flex;flex-wrap:wrap;gap:4px}.languages a{font-size:16px}.languages [aria-current=true]{font-weight:700;background:var(--notice);border-radius:8px}h1{font-size:clamp(30px,5vw,48px);line-height:1.18;letter-spacing:-.035em;margin:22px 0}h2{line-height:1.3;font-size:23px}.intro{max-width:70ch;color:var(--muted);font-size:19px}.search{display:grid;grid-template-columns:2fr 1fr 1fr;gap:14px;align-items:end;margin:32px 0}.search button{grid-column:3}.search label:first-of-type{grid-column:span 2}label{display:flex;flex-direction:column;font-size:16px}input,select,textarea,button{font:inherit;font-size:16px;min-height:48px;min-width:0;width:100%;border:1px solid var(--line);border-radius:8px;padding:10px 12px;color:var(--text);background:var(--panel)}button{cursor:pointer;background:var(--accent);color:var(--bg);font-weight:650}#theme{width:48px;flex:0 0 48px}.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.card{display:flex;flex-direction:column;min-width:0;color:var(--text);background:var(--panel);border:1px solid var(--line);border-radius:14px;overflow:hidden;text-decoration:none}.card>div{padding:18px}.card img{display:block;margin-top:auto;flex-shrink:0}.card h2{font-size:21px;margin:8px 0}.card img,.no-image{width:100%;height:210px;object-fit:cover;background:var(--notice)}.card p{margin:8px 0;font-size:16px}.meta,.source{color:var(--muted);font-size:16px}.source{border-top:1px solid var(--line);padding-top:12px}.source p{margin:10px 0}details{margin:14px 0}summary{min-height:44px;cursor:pointer;padding:8px 0}article{max-width:850px;margin:auto}article .step{border-top:1px solid var(--line);padding:24px 0}.step img{display:block;max-width:100%;max-height:650px;height:auto;margin:auto}.step figure{margin:20px 0}.description{white-space:pre-line;font-size:18px;max-width:75ch}.warning,.notice{background:var(--notice);border-left:4px solid var(--accent);padding:14px 18px}.downloads,.paging{display:flex;gap:14px;flex-wrap:wrap;align-items:center;margin:26px 0}.paging{justify-content:center}.report{max-width:650px;margin-top:14px;display:grid;gap:14px}.report textarea{min-height:140px}.empty{padding:45px;text-align:center}footer{border-top:1px solid var(--line);margin-top:48px;padding-bottom:40px;font-size:16px}footer a{display:inline-flex;min-height:44px;align-items:center}
@media(max-width:850px){.cards{grid-template-columns:repeat(2,minmax(0,1fr))}.search{grid-template-columns:1fr 1fr}.search button{grid-column:auto}.search label:first-of-type{grid-column:1/-1}}
@media(max-width:550px){.top,.languages,main,footer{padding-left:18px;padding-right:18px}.top{gap:8px}.top .brand{font-size:20px}.top>a:not(.brand){font-size:16px;max-width:130px;line-height:1.3}.cards{grid-template-columns:1fr}.search{grid-template-columns:1fr}.search label:first-of-type{grid-column:auto}.card img{height:220px}.description{font-size:18px}}

/* SF1.9: subdued contact action uses the already-validated public site contact setting. */
.top a.site-contact-action{display:inline-flex;align-items:center;justify-content:center;min-height:44px;min-width:44px;max-width:100%;padding:8px 14px;border:1px solid var(--line);border-radius:10px;background:var(--notice);color:var(--text);font-weight:650;text-decoration:none;white-space:nowrap}
.top a.site-contact-action:hover{border-color:var(--accent)}
@media(max-width:550px){.top a.library-nav{display:none}.top .brand{min-width:0}.top a.site-contact-action{font-size:15px;max-width:none}}

/* Keep first results within reach; infrequent filters do not dominate a phone. */
.search{display:block;margin:24px 0}.search-main{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;align-items:end}.search-main button{width:auto;min-width:100px;grid-column:auto}.filters{margin:8px 0}.filters>div{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;padding:8px 0 16px}.filters label:first-of-type{grid-column:auto}@media(max-width:550px){.filters>div{grid-template-columns:1fr}.search-main button{min-width:80px}.search-main label:first-of-type{grid-column:auto}}

.search-main label:first-of-type{grid-column:auto}.source a{display:inline-flex;align-items:center;min-height:44px;max-width:100%}

/* Attribution and compact exports remain finger-sized even with short labels. */
.source a,.downloads a{min-width:44px}

/* Keep device and brand in one row; source and license use More filters. */
.primary-facets{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:16px 0 4px}
.primary-facets label{font-weight:600;min-width:0}
.primary-facets label:first-of-type{grid-column:auto}
.search-hint{margin:5px 0;color:var(--muted);font-size:16px}
.search-actions{display:flex;justify-content:flex-end;align-items:center;gap:12px}
.reset-filters{display:inline-flex;align-items:center;min-height:44px;padding:8px;flex-shrink:0}
.commercial-mode{font-size:16px}
/* Reuse the reset row: idle/loading status adds no empty space above results. */
.search-live-status{flex:1;min-width:0;font-size:16px;line-height:1.5;color:var(--muted)}
@media(max-width:850px){.primary-facets{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:550px){.primary-facets{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.primary-facets label{font-size:16px}.primary-facets select{font-size:16px;padding:10px 7px}.search-main{gap:8px}.search-main button{min-width:80px}.search-hint{font-size:16px}}

/* The source-check link shares the existing kind row; reading starts as before. */
.guide-kind{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;min-height:44px;margin:7px 0}
.guide-kind p{margin:0}
.source-check-link{display:inline-flex;align-items:center;min-width:44px;min-height:44px;font-size:16px}
.verification{margin:16px 0;padding:18px;background:var(--notice);border-radius:10px;font-size:16px}
.verification h3{font-size:20px;margin:0 0 12px}
.verification dt{font-weight:650}
.verification dd{margin:0 0 12px}
.verification-limit{margin-bottom:0;color:var(--muted)}


/* S4: clear, touch-friendly area choices backed by published source metadata. */
.area-chooser{padding:0;border:0;margin:18px 0 12px;min-width:0}
.area-chooser legend{font-size:18px;font-weight:750;margin-bottom:10px}
.area-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px}
.area-tile{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  min-height:100px;padding:12px 8px;text-align:center;border:1px solid var(--line);
  border-radius:14px;background:var(--panel);font-size:16px;font-weight:650;cursor:pointer}
.area-tile:has(input:checked){border:2px solid var(--accent);background:var(--notice)}
.area-tile:has(input:focus-visible){outline:3px solid var(--accent);outline-offset:3px}
.area-tile.unavailable{opacity:.46;cursor:not-allowed}
.area-tile input{position:absolute;width:1px;height:1px;min-height:0;opacity:0;pointer-events:none}
.area-tile .area-icon{font-size:27px;line-height:1.15}
@media(max-width:850px){.area-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:550px){.area-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
 .area-tile{font-size:14px;min-height:86px;padding:8px 4px}.area-tile .area-icon{font-size:23px}}


/* Real source-category folders: high-contrast, bounded and touch accessible. */
.source-folders{margin:20px 0 28px;padding:20px;border:1px solid var(--line);
  border-radius:20px;background:var(--panel)}
.folder-heading{display:flex;align-items:end;justify-content:space-between;gap:16px}
.folder-heading h2{font-size:clamp(21px,2.5vw,27px);margin:0 0 4px;letter-spacing:-.02em}
.folder-heading p{color:var(--muted);margin:0 0 12px;font-size:16px}
.folder-search{width:min(100%,280px);flex-shrink:0;font-size:15px}
.folder-search input{background:var(--bg)}
.folder-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:10px;max-height:300px;overflow:auto;padding:4px 4px 8px}
.source-folder{min-width:0;min-height:58px;display:flex;align-items:center;
  gap:10px;padding:10px 14px;color:var(--text);background:var(--bg);
  border:1px solid var(--line);border-radius:12px;text-decoration:none;
  font-size:16px;font-weight:580;transition:border-color .12s}
.source-folder:hover,.source-folder[aria-current=page]{border-color:var(--accent);
  background:var(--notice)}
.source-folder .folder-symbol{font-size:25px;line-height:1;color:var(--accent)}
.source-folder[hidden],.folder-no-match[hidden]{display:none!important}
.folder-no-match{padding:12px;color:var(--muted)}
@media(max-width:850px){.folder-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:550px){.source-folders{padding:14px;margin:16px 0 20px}
  .folder-heading{display:block}.folder-search{width:100%;margin:8px 0 12px}
  .folder-grid{grid-template-columns:1fr;max-height:260px}
  .source-folder{min-height:52px}}
@media(prefers-reduced-motion:reduce){.source-folder{transition:none}}


/* Phase 1: source-first catalog navigation, no invented imagery, counts or data. */
.library-hero{display:grid;grid-template-columns:minmax(0,1fr) 180px;align-items:center;
  gap:26px;margin:12px 0 20px;padding:30px 36px;overflow:hidden;
  border:1px solid var(--line);border-radius:24px;
  background:linear-gradient(120deg,var(--panel) 50%,var(--notice));
  box-shadow:0 10px 30px rgba(9,49,40,.06)}
.library-hero-content{min-width:0}
.library-hero h1{margin:6px 0 12px;max-width:17ch}
.library-hero .intro{max-width:57ch;margin:0}
.library-kicker{margin:0;font-size:15px;font-weight:800;letter-spacing:.09em;
  color:var(--accent);text-transform:uppercase}
.library-hero-jump{display:inline-flex;align-items:center;
  min-height:44px;margin-top:10px;font-weight:700}
.library-hero-mark{display:grid;place-items:center;width:158px;height:158px;
  border-radius:28px;transform:rotate(-7deg);font-size:110px;line-height:1;
  color:#fff;background:linear-gradient(145deg,var(--accent),#193d4e);
  box-shadow:12px 16px 0 rgba(20,95,84,.12)}
.smart-search{margin:0 0 16px;padding:20px 24px 16px;
  border:1px solid var(--line);border-radius:20px;background:var(--panel);
  box-shadow:0 7px 22px rgba(9,49,40,.045)}
.smart-search .search-main input[type=search]{border:2px solid var(--line);
  border-radius:12px;background:var(--bg)}
.smart-search .search-main button{border-radius:12px}
.area-chooser legend{font-size:19px}
.area-grid{gap:12px}
.area-tile{position:relative;min-height:115px;gap:10px;
  border-radius:16px;transition:border-color .15s,transform .15s,box-shadow .15s}
.area-tile .area-icon{display:grid;place-items:center;width:46px;height:46px;
  border-radius:13px;background:var(--notice);color:var(--accent)}
.area-tile:hover:not(.unavailable){border-color:var(--accent);
  transform:translateY(-2px);box-shadow:0 7px 18px rgba(9,49,40,.1)}
.area-tile:has(input:checked){box-shadow:0 0 0 2px var(--accent) inset}
.area-tile:has(input:checked) .area-icon{background:var(--accent);color:var(--panel)}
.area-tile.unavailable{transform:none;box-shadow:none}
.source-folders{padding:22px 26px;box-shadow:0 7px 22px rgba(9,49,40,.045)}
.folder-grid{gap:12px;max-height:320px}
.source-folder{min-height:64px;position:relative;transition:border-color .15s,transform .15s,box-shadow .15s}
.source-folder::after{content:"›";margin-left:auto;color:var(--accent);font-size:26px}
.source-folder:hover{transform:translateY(-1px);box-shadow:0 6px 18px rgba(9,49,40,.09)}
.source-folder[aria-current=page]{box-shadow:0 0 0 1px var(--accent) inset}
.cards{gap:18px}
.card{border-radius:18px;box-shadow:0 5px 18px rgba(9,49,40,.045);
  transition:transform .15s,box-shadow .15s,border-color .15s}
.card:hover,.card:focus-visible{transform:translateY(-2px);border-color:var(--accent);
  box-shadow:0 12px 26px rgba(9,49,40,.11)}
@media(max-width:850px){.library-hero{grid-template-columns:minmax(0,1fr) 110px;
  padding:24px}.library-hero-mark{width:104px;height:104px;border-radius:20px;font-size:70px}}
@media(max-width:550px){.library-hero{display:block;padding:20px;margin:8px 0 14px;
  border-radius:18px}.library-hero-mark{display:none}
  .library-hero h1{font-size:clamp(28px,8vw,38px)}
  .library-hero .intro{font-size:16px}.library-kicker{font-size:13px}
  .smart-search{padding:14px;border-radius:16px}
  .area-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
  .area-tile{min-height:96px;font-size:16px;gap:6px;padding:9px 4px}
  .area-tile .area-icon{width:36px;height:36px;font-size:22px;border-radius:9px}
  .source-folders{padding:14px}.source-folder{min-height:54px}}
@media(prefers-reduced-motion:reduce){.card,.area-tile,.source-folder{transition:none}
  .card:hover,.area-tile:hover:not(.unavailable),.source-folder:hover{transform:none}}