:root{
  --paper:#F6F1E9;
  --surface:#FFFFFF;
  --ink:#211C1A;
  --ink-soft:#6B5F53;
  --accent:#A6783C;
  --accent-deep:#7C5A2B;
  --accent-tint:#EFE1C8;
  --line:#DED3C0;
  --good:#4F7A5B;
  --shadow: 0 1px 2px rgba(33,28,26,.06), 0 8px 24px -12px rgba(33,28,26,.18);
}
@media (prefers-color-scheme: dark){
  :root{
    --paper:#171512;
    --surface:#211D19;
    --ink:#F3EDE3;
    --ink-soft:#B7AA97;
    --accent:#D9A64E;
    --accent-deep:#F0C878;
    --accent-tint:#3A2E19;
    --line:#3A332B;
    --good:#7FBF92;
    --shadow: 0 1px 2px rgba(0,0,0,.3), 0 8px 24px -12px rgba(0,0,0,.5);
  }
}

*{box-sizing:border-box;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:'Work Sans',system-ui,sans-serif;
  padding:28px 16px 64px;
  display:flex;
  justify-content:center;
}
.wrap{width:100%;max-width:980px;display:flex;flex-direction:column;gap:28px;}

header{display:flex;flex-direction:column;gap:6px;}
.eyebrow{
  font-family:'IBM Plex Mono',monospace;
  font-size:11px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--accent-deep);
  font-weight:600;
}
h1{
  font-family:'Fraunces',serif;
  font-weight:600;
  font-size:clamp(28px,5vw,42px);
  margin:0;
  text-wrap:balance;
  letter-spacing:-.01em;
}
.sub{color:var(--ink-soft);font-size:15px;max-width:56ch;line-height:1.5;}

.id-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:14px;
  padding:16px 18px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px;
  box-shadow:var(--shadow);
}
.id-card label{font-size:13px;color:var(--ink-soft);font-weight:600;white-space:nowrap;}
.id-card input{
  flex:1;
  min-width:160px;
  background:transparent;
  border:none;
  border-bottom:2px solid var(--line);
  font-family:'Fraunces',serif;
  font-size:19px;
  color:var(--ink);
  padding:4px 2px;
  outline:none;
}
.id-card input:focus{border-bottom-color:var(--accent);}
.id-status{font-size:12px;color:var(--ink-soft);font-family:'IBM Plex Mono',monospace;}
.id-status.live{color:var(--good);}
.id-status.error{color:#B8543F;}

.btn{
  font-family:'Work Sans',sans-serif;
  font-weight:600;
  font-size:13.5px;
  padding:9px 16px;
  border-radius:8px;
  border:1px solid var(--accent-deep);
  background:var(--accent);
  color:#fff;
  cursor:pointer;
  white-space:nowrap;
}
.btn:hover{filter:brightness(1.05);}
.btn:disabled{opacity:.55;cursor:default;}
.btn-ghost{
  background:transparent;
  color:var(--ink-soft);
  border-color:var(--line);
}
.session-name{
  font-family:'Fraunces',serif;
  font-size:19px;
  font-weight:600;
  flex:1;
}

.legend{display:flex;gap:16px;flex-wrap:wrap;align-items:center;font-size:12.5px;color:var(--ink-soft);}
.legend .swatch{display:inline-flex;align-items:center;gap:6px;}
.sw-box{width:14px;height:14px;border-radius:4px;border:1px solid var(--line);display:inline-block;}

.months{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:18px;}
.month{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:16px;
  padding:16px;
  box-shadow:var(--shadow);
}
.month h2{
  font-family:'Fraunces',serif;
  font-weight:600;
  font-size:18px;
  margin:0 0 12px;
}
.dow-row{display:grid;grid-template-columns:repeat(7,1fr);gap:4px;margin-bottom:6px;}
.dow-row span{
  font-size:10px;
  text-align:center;
  color:var(--ink-soft);
  font-family:'IBM Plex Mono',monospace;
  letter-spacing:.04em;
}
.day-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:4px;}
.day{
  aspect-ratio:1;
  border-radius:8px;
  border:1px solid var(--line);
  background:var(--paper);
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  position:relative;
  font-family:'IBM Plex Mono',monospace;
  font-size:12px;
  font-weight:600;
  color:var(--ink);
  transition:transform .08s ease;
}
.day:hover{transform:translateY(-1px);}
.day:active{transform:translateY(0);}
.day.blank{visibility:hidden;pointer-events:none;}
.day .count{font-size:8px;font-weight:500;color:var(--ink-soft);margin-top:1px;}
.day.mine{box-shadow:inset 0 0 0 2px var(--accent);}
.day.disabled{cursor:default;opacity:.35;}

.best{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:16px;
  padding:20px;
  box-shadow:var(--shadow);
}
.best h2{
  font-family:'Fraunces',serif;
  font-weight:600;
  font-size:20px;
  margin:0 0 4px;
}
.best .sub{margin-bottom:14px;}
.rank-row{
  display:flex;
  align-items:center;
  gap:14px;
  padding:10px 0;
  border-top:1px solid var(--line);
}
.rank-row:first-of-type{border-top:none;}
.rank-num{
  font-family:'Fraunces',serif;
  font-size:20px;
  color:var(--ink-soft);
  width:22px;
  flex-shrink:0;
}
.rank-date{
  font-weight:600;
  min-width:150px;
}
.rank-date .dow{color:var(--ink-soft);font-weight:500;font-size:12.5px;}
.rank-bar-wrap{flex:1;min-width:60px;background:var(--accent-tint);border-radius:6px;height:8px;overflow:hidden;}
.rank-bar{height:100%;background:var(--accent);border-radius:6px;}
.rank-count{
  font-family:'IBM Plex Mono',monospace;
  font-size:12.5px;
  color:var(--ink-soft);
  width:38px;
  text-align:right;
  flex-shrink:0;
}
.rank-names{width:100%;font-size:12px;color:var(--ink-soft);padding-left:36px;margin-top:-4px;}
.empty{color:var(--ink-soft);font-size:14px;padding:8px 0;}

.roster{display:flex;flex-wrap:wrap;gap:8px;}
.chip{
  font-family:'IBM Plex Mono',monospace;
  font-size:11.5px;
  background:var(--accent-tint);
  color:var(--accent-deep);
  padding:4px 9px;
  border-radius:999px;
  font-weight:600;
}

footer{color:var(--ink-soft);font-size:12px;text-align:center;padding-top:4px;}