:root {
  --bg: #f7f7f5;
  --panel: #ffffff;
  --ink: #1d1d1f;
  --muted: #6e6e73;
  --line: #e4e4e0;
  --accent: #2f5bd3;
  --accent-soft: #e8eefc;
  --unread: #1d1d1f;
  --danger: #c0392b;
  --ok: #2e8b57;
  --warn: #d4a017;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 14px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161618;
    --panel: #1e1e21;
    --ink: #ececec;
    --muted: #9a9aa0;
    --line: #2e2e33;
    --accent: #7c9cff;
    --accent-soft: #252c44;
    --unread: #ffffff;
  }
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); }
button, input, select, textarea { font: inherit; color: inherit; }
button {
  background: var(--panel); border: 1px solid var(--line); border-radius: 6px;
  padding: 4px 10px; cursor: pointer;
}
button:hover { border-color: var(--accent); }
button.primary { background: var(--accent); color: #fff; border-color: var(--accent); }
input, select, textarea {
  background: var(--panel); border: 1px solid var(--line); border-radius: 6px; padding: 5px 8px;
}
a { color: var(--accent); }
[hidden] { display: none !important; }

.login { display: grid; place-items: center; height: 100vh; }
.login form { display: grid; gap: 10px; width: 260px; }
.login h1 { margin: 0 0 8px; font-weight: 600; letter-spacing: 0.02em; }
.error { color: var(--danger); min-height: 1em; margin: 0; }

.app { display: grid; grid-template-columns: 230px 1fr; height: 100vh; }
.sidebar {
  border-right: 1px solid var(--line); padding: 12px 8px; overflow-y: auto;
  display: flex; flex-direction: column; gap: 2px;
}
.sidebar h2 {
  font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted);
  margin: 14px 8px 4px; display: flex; justify-content: space-between; align-items: center;
}
.sidebar h2 button { padding: 0 6px; font-size: 11px; }
.nav-item {
  display: flex; align-items: center; gap: 8px; padding: 5px 8px; border-radius: 6px;
  cursor: pointer; user-select: none;
}
.nav-item:hover { background: var(--accent-soft); }
.nav-item.active { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.nav-item .count { margin-left: auto; color: var(--muted); font-size: 12px; }
.nav-item .x { margin-left: 4px; color: var(--muted); visibility: hidden; }
.nav-item:hover .x { visibility: visible; }
.dot { width: 8px; height: 8px; border-radius: 50%; flex: none; background: var(--muted); }
.dot.ok { background: var(--ok); }
.dot.error { background: var(--danger); }
.dot.connecting, .dot.starting { background: var(--warn); }

.main { display: flex; flex-direction: column; min-width: 0; }
.toolbar {
  display: flex; gap: 8px; align-items: center; padding: 10px 12px;
  border-bottom: 1px solid var(--line);
}
.toolbar input[type=search] { flex: 1; }
.live { color: var(--muted); font-size: 12px; }
.live.on { color: var(--ok); }

.panes { display: grid; grid-template-columns: minmax(320px, 2fr) 3fr; flex: 1; min-height: 0; }
.list { overflow-y: auto; border-right: 1px solid var(--line); outline: none; }
.group-head {
  position: sticky; top: 0; background: var(--bg); padding: 6px 12px; font-size: 12px;
  color: var(--muted); border-bottom: 1px solid var(--line); z-index: 1;
}
.item {
  padding: 9px 12px; border-bottom: 1px solid var(--line); cursor: pointer;
  display: grid; grid-template-columns: 1fr auto; gap: 2px 10px;
}
.item:hover { background: var(--panel); }
.item.selected { background: var(--accent-soft); box-shadow: inset 3px 0 var(--accent); }
.item .who { color: var(--muted); font-size: 12px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.item .when { color: var(--muted); font-size: 12px; text-align: right; }
.item .title { grid-column: 1 / -1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.item .snippet {
  grid-column: 1 / -1; color: var(--muted); font-size: 12px;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.item.unread .title { font-weight: 600; color: var(--unread); }
.item.unread .who::before { content: "● "; color: var(--accent); }
.chips { display: inline-flex; gap: 4px; margin-left: 6px; }
.chip {
  font-size: 11px; padding: 0 6px; border-radius: 10px; color: #fff; background: var(--muted);
  white-space: nowrap;
}
.source-tag {
  font-size: 11px; padding: 0 5px; border: 1px solid var(--line); border-radius: 4px;
  margin-right: 6px; color: var(--muted);
}
.empty { color: var(--muted); padding: 40px; text-align: center; }
.more { width: calc(100% - 24px); margin: 12px; }

.detail { overflow-y: auto; padding: 18px 22px; }
.detail h1 { font-size: 18px; margin: 0 0 6px; font-weight: 600; }
.detail .meta { color: var(--muted); font-size: 12px; margin-bottom: 12px; }
.detail .actions { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 14px; }
.detail .labels { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 14px; }
.detail .labels label { display: inline-flex; gap: 4px; align-items: center; font-size: 12px; }
.detail .body {
  white-space: pre-wrap; overflow-wrap: anywhere; line-height: 1.5;
  background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 14px;
}
.detail table { border-collapse: collapse; width: 100%; }
.detail td, .detail th { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
.detail th { font-size: 12px; color: var(--muted); font-weight: 500; }
.rule { border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; margin-bottom: 10px; background: var(--panel); }
.rule .cond { display: flex; gap: 6px; margin: 4px 0; flex-wrap: wrap; }
.row { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; margin: 6px 0; }
.hint { color: var(--muted); font-size: 12px; }
kbd { border: 1px solid var(--line); border-radius: 3px; padding: 0 4px; font-size: 11px; }

@media (max-width: 800px) {
  .app { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .panes { grid-template-columns: 1fr; }
  .detail:empty { display: none; }
}
.detail input.token { flex: 1; font-family: ui-monospace, monospace; font-size: 12px; }
code { font-family: ui-monospace, monospace; font-size: 12px; }