:root{
  --bg:#f7f8fb; --card:#fff; --ink:#141826; --muted:#666e85;
  --line:#e4e7f0; --soft:#eef1f7;
  --radius:14px;
}
@media (prefers-color-scheme:dark){
  :root{ --bg:#0d1017; --card:#151925; --ink:#e9ecf5; --muted:#8a92a8;
         --line:#242a3a; --soft:#1b2130; }
}
*{box-sizing:border-box}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font:15px/1.6 "Google Sans Flex",ui-sans-serif,-apple-system,"Segoe UI",Inter,Roboto,system-ui,sans-serif;
  -webkit-font-smoothing:antialiased;
  padding:38px 22px 56px;max-width:840px;margin-inline:auto;
}

/* ---- masthead ---- */
.brand{display:flex;align-items:center;gap:14px}
.mark{
  width:38px;height:38px;flex:none;object-fit:contain;
}
.masthead h1{margin:0;font-size:25px;letter-spacing:-.025em;font-weight:650}
.masthead .brand p{margin:2px 0 0;color:var(--muted);font-size:14px}
.notice{
  margin:18px 0 0;padding:10px 14px;border-radius:10px;
  background:var(--soft);border:1px solid var(--line);
  color:var(--muted);font-size:13px;display:flex;gap:8px;flex-wrap:wrap;align-items:center;
}
.notice strong{color:var(--ink)}
.notice span{margin-left:auto;font-variant-numeric:tabular-nums}

/* ---- tabs ---- */
.tabs{
  display:flex;gap:6px;margin:30px 0 0;padding-bottom:2px;
  overflow-x:auto;scrollbar-width:none;
}
.tabs::-webkit-scrollbar{display:none}
.tab{
  position:relative;flex:none;display:inline-flex;align-items:center;gap:8px;
  border:1px solid transparent;background:none;color:var(--muted);
  font:inherit;font-size:14px;font-weight:500;
  padding:9px 15px;border-radius:10px;cursor:pointer;white-space:nowrap;
  transition:color .16s,background .16s;
}
.tab .dot{
  width:7px;height:7px;border-radius:50%;background:var(--a);
  opacity:.45;transition:opacity .16s,transform .16s;
}
.tab:hover{color:var(--ink);background:var(--soft)}
.tab[aria-selected="true"]{color:var(--ink);background:var(--card);border-color:var(--line)}
.tab[aria-selected="true"] .dot{opacity:1;transform:scale(1.25)}
.tab[aria-selected="true"]::after{
  content:"";position:absolute;left:15px;right:15px;bottom:-3px;height:2px;
  border-radius:2px;background:var(--a);
}
.tab:focus-visible{outline:2px solid var(--a);outline-offset:2px}

/* ---- panel ---- */
.panel{
  margin-top:18px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:26px;
  animation:rise .22s ease both;
}
@keyframes rise{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){ .panel{animation:none} }

.panel-head{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.avatar{
  width:44px;height:44px;border-radius:50%;flex:none;
  display:grid;place-items:center;
  background:color-mix(in srgb,var(--a) 16%,transparent);
  color:var(--a);font-weight:650;font-size:14px;letter-spacing:.02em;
  border:1px solid color-mix(in srgb,var(--a) 32%,transparent);
}
.who{min-width:0}
.who h2{margin:0;font-size:20px;letter-spacing:-.02em;font-weight:640}
.owner{margin:2px 0 0;color:var(--muted);font-size:13.5px}
.owner strong{color:var(--ink);font-weight:600}
.badges{margin-left:auto;display:flex;gap:6px}
.badge{
  font-size:11px;letter-spacing:.05em;text-transform:uppercase;font-weight:600;
  padding:4px 9px;border-radius:999px;border:1px solid var(--line);color:var(--muted);
}
.badge.status{background:color-mix(in srgb,var(--a) 12%,transparent);
  color:var(--a);border-color:color-mix(in srgb,var(--a) 28%,transparent)}

.summary{margin:18px 0 0;font-size:16px;line-height:1.55}
.desc{margin:10px 0 0;color:var(--muted);font-size:14px}

.tags{display:flex;flex-wrap:wrap;gap:6px;list-style:none;margin:16px 0 0;padding:0}
.tags li{
  font-size:12px;color:var(--muted);background:var(--soft);
  border:1px solid var(--line);border-radius:6px;padding:3px 8px;
}

.actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:22px}
.open{
  display:inline-flex;align-items:center;gap:7px;
  background:var(--a);color:#fff;text-decoration:none;
  padding:10px 17px;border-radius:9px;font-size:14px;font-weight:600;
  transition:filter .16s,transform .16s;
}
.open:hover{filter:brightness(1.08);transform:translateY(-1px)}
.open:focus-visible{outline:2px solid var(--a);outline-offset:3px}
.path{color:var(--muted);font-size:12.5px;
  font-family:ui-monospace,"SF Mono",Menlo,Consolas,monospace}

.files{margin-top:20px;border-top:1px solid var(--line);padding-top:14px}
.files summary{
  cursor:pointer;color:var(--muted);font-size:13px;list-style:none;
  display:inline-flex;align-items:center;gap:6px;
}
.files summary::-webkit-details-marker{display:none}
.files summary::before{content:"▸";font-size:10px;transition:transform .15s}
.files[open] summary::before{transform:rotate(90deg)}
.files summary:hover{color:var(--ink)}
.files ul{list-style:none;margin:12px 0 0;padding:0;display:flex;flex-direction:column;gap:1px}
.files li{
  display:flex;justify-content:space-between;gap:14px;
  padding:6px 10px;border-radius:6px;font-size:12.5px;
}
.files li:nth-child(odd){background:var(--soft)}
.files code{font-family:ui-monospace,"SF Mono",Menlo,Consolas,monospace;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.files span{color:var(--muted);font-variant-numeric:tabular-nums;flex:none}

.added{margin:14px 0 0;color:var(--muted);font-size:12px}
.vacant{margin:30px 0;padding:26px;text-align:center;color:var(--muted);
  background:var(--card);border:1px dashed var(--line);border-radius:var(--radius);font-size:14px}
.vacant code{background:var(--soft);padding:2px 6px;border-radius:5px;font-size:13px}

.foot{
  margin-top:34px;padding-top:16px;border-top:1px solid var(--line);
  color:var(--muted);font-size:12px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
}
.foot code{font-family:ui-monospace,Menlo,Consolas,monospace}