:root {
  color-scheme: dark;
  --bg: #0a0f1c;
  --panel: #111a2e;
  --panel-2: #0e1626;
  --line: #1f2b45;
  --line-2: #26324a;
  --ink: #e6ecf8;
  --ink-dim: #8a97b1;
  --ink-faint: #5f6d8a;
  --accent: #4c7dff;
  --good: #57e0a0;
  --warn: #f2b45c;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  font: 15px/1.55 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg); color: var(--ink);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }

/* ── shell ── */
#app { max-width: 780px; margin: 0 auto; min-height: 100%; display: flex; flex-direction: column; }
header.bar {
  position: sticky; top: 0; z-index: 5;
  display: flex; align-items: center; gap: 10px;
  padding: 12px 16px; background: rgba(10,15,28,.86); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
header.bar .back { padding: 4px 9px; border-radius: 8px; border: 1px solid var(--line-2); background: var(--panel); color: var(--ink-dim); }
header.bar .back:hover { color: var(--ink); }
header.bar h1 { font-size: 15px; font-weight: 650; letter-spacing: .01em; margin: 0; flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
header.bar .who { font-size: 11px; color: var(--ink-faint); }
main { flex: 1; padding: 14px 16px 40px; }
.crumb { font-size: 12px; color: var(--ink-faint); margin-bottom: 12px; word-break: break-word; }
.crumb b { color: var(--ink-dim); font-weight: 600; }

/* ── list cards ── */
.card {
  display: block; padding: 13px 15px; margin-bottom: 9px;
  background: var(--panel); border: 1px solid var(--line); border-radius: 12px;
}
.card:hover { border-color: var(--line-2); background: #14203a; }
.card .title { font-weight: 620; display: flex; align-items: baseline; gap: 8px; }
.card .title .count { margin-left: auto; font-size: 12px; color: var(--ink-faint); font-weight: 500; }
.card .sub { color: var(--ink-dim); font-size: 12.5px; margin-top: 4px; overflow: hidden; text-overflow: ellipsis; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.pill { font-size: 10.5px; padding: 1px 7px; border-radius: 999px; border: 1px solid var(--line-2); color: var(--ink-dim); }

.tabs { display: flex; gap: 8px; margin-bottom: 14px; }
.tabs button { flex: 1; padding: 8px; border-radius: 9px; border: 1px solid var(--line-2); background: var(--panel); color: var(--ink-dim); font-weight: 600; }
.tabs button.on { background: linear-gradient(#22397a, #1b2f66); color: #eaf0fb; border-color: #3a5bbf; }

.presence { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }

/* ── event ledger (seq spine) ── */
.ledger { position: relative; margin-left: 8px; padding-left: 22px; }
.ledger::before { content: ""; position: absolute; left: 5px; top: 6px; bottom: 6px; width: 2px; background: var(--line-2); }
.event { position: relative; padding: 11px 0 13px; border-bottom: 1px solid var(--line); }
.event:last-child { border-bottom: 0; }
.event::before {
  content: ""; position: absolute; left: -21px; top: 17px; width: 9px; height: 9px; border-radius: 50%;
  background: var(--actor, var(--accent)); box-shadow: 0 0 0 3px var(--bg);
}
.event .meta { display: flex; align-items: center; gap: 8px; font-size: 12px; margin-bottom: 5px; flex-wrap: wrap; }
.event .seq { color: var(--ink-faint); font-variant-numeric: tabular-nums; }
.event .actor { font-weight: 650; color: var(--actor, var(--accent)); }
.event .type { font-size: 10.5px; text-transform: uppercase; letter-spacing: .04em; padding: 1px 6px; border-radius: 5px; border: 1px solid var(--line-2); color: var(--ink-dim); }
.event .time { color: var(--ink-faint); margin-left: auto; }
.event .body { white-space: pre-wrap; word-break: break-word; font-size: 13.5px; color: #cdd8ef; }
.event .addr { margin-top: 5px; font-size: 11px; color: var(--ink-faint); }
.chip { font-size: 11px; font-weight: 600; padding: 1px 8px; border-radius: 999px; background: color-mix(in srgb, var(--actor, var(--accent)) 22%, transparent); color: var(--actor, var(--accent)); border: 1px solid color-mix(in srgb, var(--actor, var(--accent)) 45%, transparent); }

/* ── note render ── */
.note { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px; }
.note details { margin-bottom: 14px; }
.note summary { cursor: pointer; color: var(--ink-dim); font-size: 12px; }
.note pre.fm { margin: 8px 0 0; padding: 10px 12px; background: var(--panel-2); border: 1px solid var(--line); border-radius: 8px; font-size: 12px; color: var(--ink-dim); white-space: pre-wrap; word-break: break-word; }
.md h1, .md h2, .md h3 { line-height: 1.3; margin: 18px 0 8px; }
.md h1 { font-size: 20px; } .md h2 { font-size: 17px; } .md h3 { font-size: 15px; }
.md p { margin: 9px 0; }
.md ul, .md ol { margin: 9px 0; padding-left: 22px; }
.md li { margin: 3px 0; }
.md code { background: var(--panel-2); border: 1px solid var(--line); border-radius: 5px; padding: 1px 5px; font-size: 12.5px; }
.md pre { background: var(--panel-2); border: 1px solid var(--line); border-radius: 9px; padding: 12px 14px; overflow-x: auto; }
.md pre code { background: none; border: 0; padding: 0; }
.md blockquote { margin: 9px 0; padding-left: 12px; border-left: 3px solid var(--line-2); color: var(--ink-dim); }
.md a { color: var(--accent); text-decoration: underline; }
.md hr { border: 0; border-top: 1px solid var(--line); margin: 16px 0; }

.empty { color: var(--ink-faint); text-align: center; padding: 40px 0; font-size: 13px; }
.spinner { color: var(--ink-faint); text-align: center; padding: 30px 0; }

/* ── login ── */
#login { max-width: 420px; margin: 8vh auto 0; padding: 26px; }
#login h1 { font-size: 19px; margin: 0 0 3px; }
#login p.sub { margin: 0 0 20px; color: var(--ink-dim); font-size: 13px; }
#login label { display: block; font-size: 12px; color: var(--ink-dim); margin: 12px 0 5px; }
#login input { width: 100%; padding: 10px 12px; border-radius: 9px; border: 1px solid var(--line-2); background: var(--panel); color: var(--ink); font-size: 15px; }
#login input:focus { outline: none; border-color: var(--accent); }
#login .row { display: flex; gap: 10px; margin-top: 16px; }
#login button { flex: 1; padding: 11px; border-radius: 9px; border: 1px solid var(--line-2); background: linear-gradient(#1b2740, #16203a); color: var(--ink); font-weight: 620; }
#login button.primary { border-color: #3f63c7; background: linear-gradient(#2b4fb0, #21409a); }
#login button:hover { filter: brightness(1.12); }
#login .msg { margin-top: 16px; min-height: 20px; font-size: 12.5px; color: var(--warn); word-break: break-word; }