.btcah{
  --ink:var(--btc-ink,#18212a);
  --muted:var(--btc-muted,#6b747d);
  --surface:var(--btc-paper,#fff);
  --soft:var(--btc-soft,#f5f3ee);
  --line:var(--btc-line,#e3e1da);
  --bronze:#9a6a2f;
  --bronze2:#c49a5c;
  --deep:#17191c;
  max-width:1180px;margin:32px auto 60px;padding:0 14px;color:var(--ink);
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}
.btcah *{box-sizing:border-box}
.btcah button,.btcah input,.btcah select{font:inherit}
.btcah-hero{padding:8px 0 24px;border-bottom:1px solid var(--line)}
.btcah-kicker{color:var(--bronze);font-size:9px;font-weight:1000;letter-spacing:.15em;text-transform:uppercase}
.btcah-hero h2{margin:9px 0 9px;color:var(--ink);font:700 clamp(26px,3.5vw,40px)/1 Georgia,serif;letter-spacing:-.025em}
.btcah-hero>p{max-width:900px;margin:0;color:var(--muted);font:400 14px/1.68 Georgia,serif}

.btcah-disclaimer{
  max-width:940px;margin:18px 0 0;padding:13px 15px;border:1px solid var(--line);border-left:4px solid var(--bronze);
  border-radius:7px;background:var(--soft)
}
.btcah-disclaimer strong{display:block;margin-bottom:4px;color:var(--ink);font-size:8px;font-weight:1000;letter-spacing:.1em;text-transform:uppercase}
.btcah-disclaimer p{margin:0;color:var(--muted);font-size:10px;line-height:1.55}



.btcah-about{
  display:grid;grid-template-columns:minmax(0,1.45fr) minmax(260px,.55fr);gap:18px;
  margin:20px 0;padding:19px 20px;border:1px solid var(--line);border-radius:10px;background:var(--surface)
}
.btcah-section-kicker{display:block;margin-bottom:6px;color:var(--bronze);font-size:7px;font-weight:1000;letter-spacing:.13em;text-transform:uppercase}
.btcah-about h2,.btcah-editorial h2{margin:0 0 9px;color:var(--ink);font:700 clamp(23px,3vw,32px)/1.05 Georgia,serif}
.btcah-about-main p,.btcah-editorial-copy p{margin:0 0 9px;color:var(--muted);font:400 12px/1.66 Georgia,serif}
.btcah-about-main p:last-child,.btcah-editorial-copy p:last-child{margin-bottom:0}
.btcah-standards{padding:14px 15px;border-left:3px solid var(--bronze);background:var(--soft)}
.btcah-standards ul{margin:8px 0 0;padding-left:18px;color:var(--muted);font-size:9px;line-height:1.55}
.btcah-standards li+li{margin-top:4px}

.btcah-editorial{margin:28px 0 0;padding:24px 0 0;border-top:1px solid var(--line)}
.btcah-editorial-copy{max-width:900px}
.btcah-semantic-directory{margin-top:24px}
.btcah-semantic-directory h3,.btcah-faq h3{margin:0 0 10px;color:var(--ink);font:700 21px Georgia,serif}
.btcah-semantic-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px}
.btcah-semantic-card{padding:11px 12px;border:1px solid var(--line);border-radius:7px;background:var(--surface)}
.btcah-semantic-card h4{margin:0;color:var(--ink);font:700 15px Georgia,serif}
.btcah-semantic-card h4 a{color:inherit;text-decoration:none}
.btcah-semantic-card h4 a:hover{text-decoration:underline}
.btcah-semantic-card p{margin:4px 0 0;color:var(--muted);font-size:8px;line-height:1.4}
.btcah-semantic-facts{font-weight:800}.btcah-semantic-teams{font-size:7px!important}
.btcah-faq{margin-top:25px;padding-top:20px;border-top:1px solid var(--line)}
.btcah-faq details{border-top:1px solid var(--line);padding:10px 0}
.btcah-faq details:last-child{border-bottom:1px solid var(--line)}
.btcah-faq summary{cursor:pointer;color:var(--ink);font-size:10px;font-weight:900}
.btcah-faq details p{max-width:850px;margin:8px 0 0;color:var(--muted);font-size:10px;line-height:1.55}

.btcah-toolbar{
  display:grid;grid-template-columns:minmax(210px,1fr) repeat(4,minmax(130px,165px));gap:10px;
  margin:20px 0;padding:13px;border:1px solid var(--line);border-radius:9px;background:var(--surface)
}
.btcah-toolbar label{display:grid;gap:5px}
.btcah-toolbar label span{font-size:7px;font-weight:1000;letter-spacing:.11em;text-transform:uppercase;color:var(--muted)}
.btcah-toolbar input,.btcah-toolbar select{
  width:100%;padding:9px 10px;border:1px solid var(--line);border-radius:6px;background:var(--surface);color:var(--ink)
}

.btcah-hall{
  position:relative;overflow:hidden;padding:24px 22px 28px;border-radius:14px;
  background:
    linear-gradient(rgba(20,22,25,.94),rgba(20,22,25,.94)),
    repeating-linear-gradient(90deg,#202328 0 1px,#17191c 1px 58px);
  box-shadow:0 18px 42px rgba(0,0,0,.16)
}
.btcah-hall::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(circle at 50% -20%,rgba(255,255,255,.13),transparent 45%)
}
.btcah-hall-head{position:relative;z-index:1;display:flex;justify-content:space-between;align-items:end;gap:16px;margin-bottom:18px;color:#fff}
.btcah-smallcaps{display:block;color:#c9a873;font-size:7px;font-weight:1000;letter-spacing:.15em;text-transform:uppercase}
.btcah-hall-head h2{margin:4px 0 0;color:#fff;font:700 31px/1 Georgia,serif}
.btcah-count{font-size:8px;color:#aeb4ba;letter-spacing:.08em;text-transform:uppercase}
.btcah-grid{position:relative;z-index:1;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:15px}

.btcah-plaque{
  position:relative;min-height:245px;padding:13px;border:1px solid #785124;border-radius:8px;cursor:pointer;text-align:left;color:#f8f2e8;
  background:
    linear-gradient(145deg,rgba(255,255,255,.08),transparent 34%),
    linear-gradient(135deg,#775025,#b8874a 48%,#7a5227);
  box-shadow:inset 0 0 0 3px rgba(31,21,12,.32),0 9px 20px rgba(0,0,0,.28);
  transition:transform .18s ease,box-shadow .18s ease
}
.btcah-plaque:hover,.btcah-plaque:focus-visible{transform:translateY(-4px);box-shadow:inset 0 0 0 3px rgba(31,21,12,.32),0 14px 26px rgba(0,0,0,.38);outline:2px solid #e2c38c;outline-offset:2px}
.btcah-plaque::before{content:"";position:absolute;inset:7px;border:1px solid rgba(255,244,217,.33);border-radius:4px;pointer-events:none}
.btcah-portrait{
  position:relative;width:82px;height:82px;margin:8px auto 10px;border:3px solid rgba(255,244,219,.72);border-radius:50%;overflow:hidden;
  background:#25282d;box-shadow:0 4px 10px rgba(0,0,0,.28)
}
.btcah-portrait img{width:100%;height:100%;object-fit:cover;object-position:center 18%;display:block}
.btcah-initials{display:grid;place-items:center;width:100%;height:100%;color:#e8cf9d;font:700 24px Georgia,serif}
.btcah-class{text-align:center;color:#f2d7a2;font-size:6px;font-weight:1000;letter-spacing:.14em;text-transform:uppercase}
.btcah-plaque h3{margin:7px 5px 4px;text-align:center;color:#fff9ef;font:700 21px/1 Georgia,serif}
.btcah-role{text-align:center;color:#ead8b7;font-size:7px;font-weight:900;line-height:1.3;text-transform:uppercase;letter-spacing:.07em}
.btcah-plaque-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:5px;margin:12px 4px 0}.btcah-plaque-stats.is-single{grid-template-columns:1fr}
.btcah-stat{padding:6px;text-align:center;border:1px solid rgba(255,255,255,.16);background:rgba(38,24,11,.16)}
.btcah-stat b{display:block;color:#fff;font:700 15px Georgia,serif}
.btcah-stat span{display:block;margin-top:2px;color:#e7d5b3;font-size:5px;font-weight:900;letter-spacing:.07em;text-transform:uppercase}

.btcah-modal{position:fixed;z-index:999999;inset:0;display:none;padding:22px 20px 42px;background:rgba(8,10,12,.82);backdrop-filter:blur(7px);overflow-x:hidden;overflow-y:auto;overscroll-behavior:contain}
.btcah-modal.open{display:block}
.btcah-dialog{position:relative;width:min(94vw,780px);margin:0 auto;border-radius:14px;background:var(--surface);color:var(--ink);box-shadow:0 24px 70px rgba(0,0,0,.4);overflow:hidden}
.btcah-close{position:absolute;z-index:5;right:12px;top:12px;width:37px;height:37px;border:1px solid var(--line);border-radius:50%;background:var(--surface);color:var(--ink);cursor:pointer;font-size:20px}
.btcah-detail-head{
  display:grid;grid-template-columns:180px 1fr;gap:24px;padding:28px;
  background:linear-gradient(135deg,#17191c,#29231b);color:#fff
}
.btcah-detail-portrait{width:170px;height:170px;border:5px solid #a7783d;border-radius:50%;overflow:hidden;background:#25282d}
.btcah-detail-portrait img{width:100%;height:100%;object-fit:cover;object-position:center 18%}
.btcah-detail-portrait .btcah-initials{font-size:40px}
.btcah-detail-class{color:#d4ae73;font-size:8px;font-weight:1000;letter-spacing:.14em;text-transform:uppercase}
.btcah-detail-head h2{margin:8px 0 6px;color:#fff;font:700 clamp(30px,4vw,45px)/1 Georgia,serif}
.btcah-detail-role{color:#c7ccd0;font-size:10px;font-weight:900;letter-spacing:.07em;text-transform:uppercase}
.btcah-detail-stats{display:flex;flex-wrap:wrap;gap:7px;margin-top:15px}
.btcah-detail-chip{padding:7px 9px;border:1px solid rgba(255,255,255,.17);border-radius:999px;color:#e7d8c1;font-size:7px;font-weight:900}
.btcah-detail-body{padding:24px 28px 29px}
.btcah-detail-body h3{margin:20px 0 7px;font:700 20px Georgia,serif}
.btcah-detail-body p{margin:0;color:var(--muted);font:400 12px/1.65 Georgia,serif}
.btcah-prose p+p{margin-top:12px}
.btcah-list{display:grid;gap:7px;margin:0;padding:0;list-style:none}
.btcah-list li{position:relative;padding:7px 10px 7px 22px;border:0;background:var(--soft);font-size:10px;line-height:1.45}
.btcah-list li::before{content:"•";position:absolute;left:9px;top:6px;color:var(--bronze);font-size:13px;font-weight:900}
.btcah-people{display:flex;flex-wrap:wrap;gap:6px}
.btcah-person{padding:6px 8px;border:1px solid var(--line);border-radius:999px;background:var(--surface);font-size:8px}
.btcah-detail-footer{margin-top:24px;padding-top:16px;border-top:1px solid var(--line)}
.btcah-profile-link{display:inline-block;margin:0;padding:10px 13px;border-radius:6px;background:#17191c;color:#fff!important;text-decoration:none;font-size:9px;font-weight:1000;letter-spacing:.06em;text-transform:uppercase}
.btcah-image-credit{margin-top:14px;color:var(--muted);font-size:7px;line-height:1.45}
.btcah-image-credit a{color:inherit;text-decoration:underline;text-underline-offset:2px}

.btcah-empty{grid-column:1/-1;padding:30px;text-align:center;color:#c1c5c9;font:italic 13px Georgia,serif}
.btcah-admin-note{margin:18px 0 0;padding:10px 12px;border-left:4px solid var(--bronze);background:var(--soft);color:var(--muted);font-size:10px}
.btcah-admin-note strong{display:block;color:var(--ink)}

body.btc-dark .btcah-about,body.btc-dark .btcah-semantic-card{background:var(--surface)}
body.btc-dark .btcah-standards{background:var(--soft)}
body.btc-dark .btcah-toolbar{background:var(--surface)}
body.btc-dark .btcah-dialog{background:var(--surface);color:var(--ink)}
body.btc-dark .btcah-list li{background:var(--soft)}
body.btc-dark .btcah-close{background:var(--surface);color:var(--ink)}
body.btc-dark .btcah-hero h2{color:var(--ink)}

@media(max-width:960px){
  .btcah-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .btcah-toolbar{grid-template-columns:minmax(220px,1fr) repeat(2,minmax(150px,1fr))}
  .btcah-toolbar label:first-child{grid-column:1/-1}
}
@media(max-width:760px){
  .btcah-about{grid-template-columns:1fr}
  .btcah-semantic-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .btcah-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .btcah-toolbar{grid-template-columns:1fr 1fr}
  .btcah-toolbar label:first-child{grid-column:1/-1}
  .btcah-modal{padding:12px 10px 30px}
  .btcah-dialog{width:100%;border-radius:11px}
  .btcah-detail-head{grid-template-columns:1fr;text-align:center;gap:12px;padding:20px 16px 18px}
  .btcah-detail-portrait{width:132px;height:132px;margin:auto;border-width:4px}
  .btcah-detail-portrait .btcah-initials{font-size:32px}
  .btcah-detail-head h2{font-size:clamp(28px,8vw,38px);margin-top:6px}
  .btcah-detail-stats{justify-content:center;margin-top:11px}
}
@media(max-width:480px){
  .btcah-semantic-grid{grid-template-columns:1fr}
  .btcah{padding:0 8px}
  .btcah-grid{grid-template-columns:1fr}
  .btcah-toolbar{grid-template-columns:1fr}
  .btcah-toolbar label:first-child{grid-column:auto}
  .btcah-hall{padding:18px 12px 22px}
  .btcah-modal{padding:7px 6px 24px}
  .btcah-dialog{border-radius:8px}
  .btcah-close{right:8px;top:8px;width:34px;height:34px}
  .btcah-detail-head{padding:17px 12px 15px}
  .btcah-detail-portrait{width:112px;height:112px}
  .btcah-detail-class{padding:0 30px;font-size:7px}
  .btcah-detail-role{font-size:9px}
  .btcah-detail-chip{padding:6px 8px}
  .btcah-detail-body{padding:18px 16px 22px}
}
@media(prefers-reduced-motion:reduce){.btcah *{scroll-behavior:auto!important;transition:none!important}}