:root {
  --bg: #f5f6f8; --panel: #ffffff; --border: #dfe2e7; --text: #1b1f24; --muted: #667080;
  --accent: #0f7b5f; --accent-text: #fff; --danger: #c0392b; --warn: #b7791f;
  --up: #2563eb; --down: #9333ea; --code-bg: #f1f3f6; --hover: #eef1f4; --sel: #e3f3ee;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0f1216; --panel: #171b21; --border: #2a3039; --text: #e4e7eb; --muted: #8b95a3;
    --accent: #23a57f; --accent-text: #04140f; --danger: #e5604f; --warn: #e0a83a;
    --up: #6aa0ff; --down: #c084fc; --code-bg: #0f1318; --hover: #1e242c; --sel: #15302a;
  }
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; background: var(--bg); color: var(--text); font: 14px/1.4 system-ui, -apple-system, Segoe UI, sans-serif; }
h2 { margin: 0; font-size: 18px; }
h3 { margin: 0 0 8px; font-size: 13px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); display: flex; align-items: center; gap: 6px; }
code { font-family: var(--mono); font-size: 12px; }
button, input, select, textarea { font: inherit; color: inherit; }
input, select, textarea { width: 100%; background: var(--bg); border: 1px solid var(--border); border-radius: 6px; padding: 6px 8px; }
textarea { font-family: var(--mono); font-size: 12px; }
button { background: var(--panel); border: 1px solid var(--border); border-radius: 6px; padding: 6px 10px; cursor: pointer; white-space: nowrap; }
button:hover { background: var(--hover); }
button.primary { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }
button.danger { color: var(--danger); }
button.link { border: 0; background: none; color: var(--accent); padding: 0; font-size: 12px; }
button.icon { border: 0; background: none; padding: 0 4px; font-size: 14px; color: var(--muted); }
button.recording { background: var(--danger); color: #fff; border-color: var(--danger); }
.muted { color: var(--muted); font-size: 12px; }
.msg { font-size: 12px; color: var(--muted); }
.msg.err { color: var(--danger); }
small { display: block; color: var(--muted); font-size: 11px; margin-top: 2px; }
small.err { color: var(--danger); }
.row { display: flex; gap: 6px; align-items: center; }

.topbar { display: flex; justify-content: space-between; align-items: center; padding: 10px 16px; background: var(--panel); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 2; }
.brand { font-weight: 600; }
.pill { display: flex; align-items: center; gap: 8px; border-radius: 999px; }
.dot { width: 9px; height: 9px; border-radius: 50%; background: var(--muted); }
.dot.connected { background: var(--accent); } .dot.connecting, .dot.interrupted { background: var(--warn); } .dot.disconnected { background: var(--danger); }

.panel { background: var(--panel); border: 1px solid var(--border); border-radius: 8px; padding: 12px; }
.broker-panel { margin: 12px 16px 0; }
.broker-panel[hidden] { display: none; }
.grid-form { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px 14px; }
.grid-form .span2 { grid-column: span 2; }
.field label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 3px; }
.seg { display: flex; flex-wrap: wrap; gap: 14px; }
.seg label { display: flex; gap: 6px; align-items: center; color: var(--text); font-size: 13px; }
.seg input, .check input { width: auto; }
.actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.grid-form .actions { grid-column: 1 / -1; }
.hide { display: none !important; }

.layout { display: grid; grid-template-columns: 290px minmax(0, 1fr); gap: 12px; padding: 12px 16px; align-items: start; }
.sidebar, main { min-width: 0; }
.sidebar { display: flex; flex-direction: column; gap: 12px; position: sticky; top: 56px; }
.stack { display: flex; flex-direction: column; gap: 6px; }
.stack label { font-size: 12px; color: var(--muted); }
.check { display: flex; gap: 6px; align-items: center; font-size: 12px; color: var(--muted); }
details summary { cursor: pointer; font-size: 12px; color: var(--accent); margin: 4px 0; }
details[open] { display: flex; flex-direction: column; gap: 6px; }

.list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 4px; }
.list li { padding: 6px 8px; border-radius: 6px; cursor: pointer; display: flex; justify-content: space-between; gap: 6px; align-items: center; }
.list li:hover { background: var(--hover); }
.list li.sel { background: var(--sel); }
.list .mac { font-family: var(--mono); font-size: 12px; }
.list.small li { font-size: 12px; cursor: default; }
.list.small .name { font-family: var(--mono); font-size: 11px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.list.small a { color: var(--accent); text-decoration: none; }
.badge { white-space: nowrap; font-size: 11px; padding: 1px 6px; border-radius: 999px; background: var(--hover); color: var(--muted); font-variant-numeric: tabular-nums; }
.badge.rec { background: var(--danger); color: #fff; }

.empty { padding: 60px; text-align: center; color: var(--muted); }
.watch-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 12px; }
.st { font-size: 10px; text-transform: uppercase; letter-spacing: .03em; padding: 1px 5px; border-radius: 4px; }
.st.subscribed { color: var(--accent); } .st.pending { color: var(--warn); }
.st.rejected, .st.error { color: var(--danger); } .st.offline { color: var(--muted); }
.dir { font-size: 11px; font-weight: 700; } .dir.up { color: var(--up); } .dir.down { color: var(--down); } .dir.unknown { color: var(--muted); }

.feed-tools { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 8px; }
.feed-tools input { width: 180px; } .feed-tools select { width: auto; }
.feed-list { list-style: none; margin: 0; padding: 0; max-height: calc(100vh - 230px); overflow: auto; font-size: 12px; }
.msg-row { border-top: 1px solid var(--border); }
.msg-row .hdr { display: grid; grid-template-columns: 92px 16px minmax(120px, 190px) 1fr 54px; gap: 8px; padding: 5px 4px; cursor: pointer; align-items: baseline; }
.msg-row .hdr:hover { background: var(--hover); }
.msg-row .ts { font-family: var(--mono); color: var(--muted); font-variant-numeric: tabular-nums; }
.msg-row .nm { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.msg-row .pv { font-family: var(--mono); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--muted); }
.msg-row .sz { text-align: right; color: var(--muted); font-variant-numeric: tabular-nums; }
.msg-row pre { margin: 0 4px 6px; padding: 8px; background: var(--code-bg); border-radius: 6px; font-family: var(--mono); font-size: 12px; white-space: pre-wrap; word-break: break-all; max-height: 420px; overflow: auto; }
.msg-row .meta { margin: 0 4px 4px; color: var(--muted); font-family: var(--mono); font-size: 11px; }
.msg-row.flash .hdr { animation: flash 1.2s ease-out; }
@keyframes flash { from { background: var(--sel); } to { background: transparent; } }
.j-key { color: var(--up); } .j-str { color: var(--accent); } .j-num { color: var(--warn); } .j-lit { color: var(--down); }

/* ---- recording ---- */
.rec-box .actions select { width: auto; }
.rec-live { background: color-mix(in srgb, var(--danger) 12%, var(--panel)); border: 1px solid var(--danger); border-radius: 8px; padding: 4px 4px 4px 10px; font-size: 12px; font-variant-numeric: tabular-nums; }
.rec-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--danger); animation: blink 1.2s infinite; }
@keyframes blink { 50% { opacity: .25; } }

/* ---- toolbar + tabs ---- */
.toolbar { display: flex; justify-content: space-between; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 10px; }
.tabs { display: flex; gap: 2px; background: var(--panel); border: 1px solid var(--border); border-radius: 8px; padding: 3px; }
.tab { border: 0; background: none; padding: 5px 14px; border-radius: 6px; display: flex; gap: 6px; align-items: center; }
.tab.sel { background: var(--sel); font-weight: 600; }
.tab-new { background: var(--accent); color: var(--accent-text); border-radius: 999px; padding: 0 7px; font-size: 11px; font-weight: 600; }
.badges { display: flex; gap: 4px; align-items: center; }
.badge.err { color: var(--danger); }
.badge.new { background: var(--accent); color: var(--accent-text); font-weight: 600; }

/* ---- board ---- */
.group-title { margin: 14px 0 8px; } .group-title:first-child { margin-top: 0; }
.group-title .muted { text-transform: none; letter-spacing: 0; font-weight: 400; }
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr)); gap: 10px; }
.card { background: var(--panel); border: 1px solid var(--border); border-top: 3px solid var(--muted); border-radius: 8px; padding: 8px 10px; display: flex; flex-direction: column; gap: 4px; min-width: 0; cursor: default; transition: border-color .3s, box-shadow .3s; }
.card.up { border-top-color: var(--up); } .card.down { border-top-color: var(--down); }
.card.silent { opacity: .62; }
.hide-silent .card.silent { display: none; }
.card.silent .latest { min-height: 0; padding: 4px 8px; }
.card.unread { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); cursor: pointer; }
.card.pulse { animation: cardpulse 1s ease-out; }
@keyframes cardpulse { 0% { background: var(--sel); } 100% { background: var(--panel); } }
.card-head { display: flex; align-items: center; gap: 6px; min-height: 22px; }
.card-head .tname { font-weight: 600; font-size: 13px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.card-head .spacer { flex: 1; }
.new-pill { background: var(--accent); color: var(--accent-text); border: 0; border-radius: 999px; padding: 1px 8px; font-size: 11px; font-weight: 700; letter-spacing: .03em; }
.new-pill:hover { background: var(--accent); filter: brightness(1.1); }
.new-pill.pop { animation: pop .45s cubic-bezier(.3, 1.6, .5, 1); }
@keyframes pop { 0% { transform: scale(.4); opacity: 0; } 100% { transform: scale(1); opacity: 1; } }
.card .tpath { font-family: var(--mono); font-size: 11px; color: var(--muted); word-break: break-all; }
.card .terr { font-size: 11px; color: var(--danger); }
.card .latest { margin: 2px 0 0; padding: 8px; background: var(--code-bg); border-radius: 6px; font-family: var(--mono); font-size: 12px; white-space: pre-wrap; word-break: break-all; max-height: 220px; min-height: 40px; overflow: auto; }
.card .latest.empty-pre { color: var(--muted); font-family: inherit; font-style: italic; }
.card-foot { display: flex; justify-content: space-between; font-size: 11px; color: var(--muted); font-variant-numeric: tabular-nums; }

.banner { padding: 8px 16px; font-size: 13px; background: var(--warn); color: #000; border-bottom: 1px solid var(--border); }
.banner.err { background: var(--danger); color: #fff; }
.banner code { font-family: var(--mono); }
.toast { position: fixed; right: 16px; bottom: 16px; background: var(--text); color: var(--bg); padding: 10px 14px; border-radius: 8px; font-size: 13px; z-index: 10; max-width: calc(100vw - 32px); box-shadow: 0 4px 16px rgba(0,0,0,.2); }

@media (max-width: 1000px) {
  .layout { grid-template-columns: minmax(0, 1fr); padding: 12px; }
  .sidebar { position: static; }
  .grid-form { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .grid-form { grid-template-columns: 1fr; }
  .grid-form .span2 { grid-column: auto; }
  .msg-row .hdr { grid-template-columns: 80px 14px 1fr 44px; }
  .msg-row .pv { display: none; }
}

.topbar-right { display: flex; align-items: center; gap: 10px; }
.login { max-width: 560px; margin: 48px auto; padding: 0 16px; }
.login h2 { margin-bottom: 4px; }
.login label { margin-top: 10px; font-weight: 500; }
.cmd-row { display: flex; gap: 8px; align-items: stretch; }
.cmd { flex: 1; min-width: 0; overflow-x: auto; white-space: nowrap; background: var(--code-bg); border: 1px solid var(--border); border-radius: 6px; padding: 7px 8px; }
.login .actions { display: flex; align-items: center; gap: 10px; margin-top: 12px; }