:root{
  --bg:#f6f6f4;--card:#ffffff;--fg:#18181b;--muted:#5b5b63;--line:#e3e3e0;--accent:#b33d0b;--accent-fg:#ffffff;
  --grey-bg:#ececea;--grey-fg:#45454c;--blue-bg:#e3eefc;--blue-fg:#1d4f91;--green-bg:#e2f4e6;--green-fg:#1d6b33;
  --gold-bg:#fbefd2;--gold-fg:#7a4f00;--red-fg:#a1261b;color-scheme:light dark
}
@media (prefers-color-scheme:dark){:root{
  --bg:#0f0f11;--card:#18181b;--fg:#f4f4f5;--muted:#a1a1aa;--line:#2c2c31;--accent:#ff9a6b;--accent-fg:#1a0d06;
  --grey-bg:#2a2a2f;--grey-fg:#d4d4d8;--blue-bg:#16294a;--blue-fg:#a9c8f5;--green-bg:#123522;--green-fg:#9fe0b2;
  --gold-bg:#3d2c08;--gold-fg:#f5d17a;--red-fg:#ff8a80
}}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--fg)}
body{font:15px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
[hidden]{display:none !important}
.top{display:flex;align-items:center;justify-content:space-between;gap:12px;max-width:1100px;margin:0 auto;padding:16px}
.brand{font-weight:800;letter-spacing:-.02em;font-size:19px;margin:0}.brand span{color:var(--accent)}
.brand small{font-weight:500;color:var(--muted);font-size:14px;letter-spacing:0;margin-left:4px}
main{max-width:1100px;margin:0 auto;padding:0 16px 64px}
h1{font-size:24px;margin:0}
h2{font-size:18px;margin:28px 0 4px}
.muted{color:var(--muted)}.small{font-size:13px}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13px;overflow-wrap:anywhere}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:14px 16px;margin:12px 0}
.narrow{max-width:380px;margin:48px auto}
.narrow form{display:flex;flex-direction:column;gap:10px;margin-top:12px}
label{display:flex;flex-direction:column;gap:4px;font-size:13px;font-weight:600;color:var(--muted)}
input,select{font:inherit;color:var(--fg);background:var(--bg);border:1px solid var(--line);border-radius:7px;padding:8px 10px;min-width:0;width:100%}
input:focus-visible,select:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.btn{font:inherit;font-size:14px;border:1px solid var(--line);background:var(--card);color:var(--fg);border-radius:7px;padding:6px 12px;cursor:pointer;white-space:nowrap}
.btn:hover{border-color:var(--muted)}
.btn.primary{background:var(--accent);color:var(--accent-fg);border-color:var(--accent);font-weight:600}
.btn.ghost{background:transparent}
.btn.danger{color:var(--red-fg)}
.btn:disabled{opacity:.6;cursor:default}
.msg{min-height:1.2em;margin:4px 0;font-size:14px}.msg.err{color:var(--red-fg)}
.toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:8px}
.forms{display:grid;grid-template-columns:1fr 1fr;gap:12px;align-items:start}
.forms .card{margin:4px 0}
summary{cursor:pointer;font-weight:700}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:12px}
.grid .msg,.grid .form-end{grid-column:1/-1}
.created{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;border-color:var(--accent)}
.created p{margin:0}
.demo-head{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}
.links{list-style:none;padding:0;margin:8px 0}
.link{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:12px 14px;margin:8px 0}
.link.off{opacity:.75}
.link-top{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.link-name{font-weight:700;font-size:16px}
.pill{display:inline-block;border-radius:999px;padding:2px 10px;font-size:12px;font-weight:700;background:var(--grey-bg);color:var(--grey-fg)}
.pill.preview_only{background:var(--grey-bg);color:var(--grey-fg)}
.pill.opened{background:var(--blue-bg);color:var(--blue-fg)}
.pill.engaged{background:var(--green-bg);color:var(--green-fg)}
.pill.clicked_book{background:var(--gold-bg);color:var(--gold-fg)}
.pill.off{background:transparent;border:1px solid var(--line);color:var(--muted)}
.tag{font-size:12px;color:var(--muted);border:1px solid var(--line);border-radius:6px;padding:1px 7px}
.meta{display:flex;flex-wrap:wrap;gap:4px 16px;font-size:13px;color:var(--muted);margin:6px 0}
.meta b{color:var(--fg);font-weight:600}
.actions{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.visits{margin-top:10px;border-top:1px solid var(--line);padding-top:6px}
.visit{border:1px solid var(--line);border-radius:8px;padding:10px 12px;margin:8px 0;background:var(--bg)}
.visit-top{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}
.timeline{list-style:none;margin:8px 0 0;padding:0 0 0 12px;border-left:2px solid var(--line);font-size:13px}
.timeline li{margin:3px 0;overflow-wrap:anywhere}
.timeline time{color:var(--muted);margin-right:8px;font-variant-numeric:tabular-nums}
.empty{color:var(--muted);font-size:14px;margin:6px 0}
@media (max-width:760px){
  .forms,.grid{grid-template-columns:1fr}
  h1{font-size:21px}
}