:root {
    --bg: #f4f5f7; --panel: #ffffff; --panel2: #f0f2f5; --line: #dde1e7; --text: #1d2330; --muted: #6b7486;
    --accent: #1f6feb; --accent-soft: #e3edfd; --ok: #1a9a52; --warn: #c27c0e; --err: #d1383d;
    --rx: #1f6feb; --tx: #1a9a52; --sys: #8a63d2; --mono: ui-monospace, "Cascadia Mono", Consolas, monospace;
    --radius: 8px;
}
@media (prefers-color-scheme: dark) {
    :root {
        --bg: #0f1218; --panel: #171b23; --panel2: #1e2330; --line: #2a3140; --text: #e3e7ef; --muted: #8b94a7;
        --accent: #4c8dff; --accent-soft: #1b2a45; --ok: #3fc07a; --warn: #e3a33a; --err: #f06a6e;
        --rx: #6ea8ff; --tx: #52d18c; --sys: #b192f0;
    }
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body { background: var(--bg); color: var(--text); font: 14px/1.45 system-ui, "Segoe UI", Roboto, sans-serif; }
button, input, select, textarea { font: inherit; color: inherit; }
input, select, textarea {
    background: var(--panel); border: 1px solid var(--line); border-radius: 6px; padding: 5px 8px; min-width: 0;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent-soft); border-color: var(--accent); }
.btn, button {
    background: var(--panel2); border: 1px solid var(--line); border-radius: 6px; padding: 5px 12px; cursor: pointer;
    text-decoration: none; display: inline-flex; align-items: center; gap: 6px; white-space: nowrap;
}
.btn:hover, button:hover { border-color: var(--accent); }
.primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.danger { color: var(--err); }
.ghost { background: transparent; }
.muted { color: var(--muted); }
.mono { font-family: var(--mono); }

/* ---------- top / layout */
.top { display: flex; align-items: center; gap: 12px; padding: 8px 16px; background: var(--panel); border-bottom: 1px solid var(--line); height: 48px; }
.brand { font-weight: 700; letter-spacing: .3px; display: flex; gap: 8px; align-items: center; }
.logo { color: var(--accent); font-size: 18px; }
.link { color: var(--err); font-size: 12px; }
.link.on { color: var(--ok); }
.spacer { flex: 1; }
.user { color: var(--muted); }
.layout { display: flex; height: calc(100% - 48px); }
.side { width: 270px; flex: none; background: var(--panel); border-right: 1px solid var(--line); display: flex; flex-direction: column; }
#nav { flex: 1; overflow: auto; padding: 8px; }
.side-bottom { padding: 8px; display: flex; flex-direction: column; gap: 6px; border-top: 1px solid var(--line); }
main { flex: 1; overflow: auto; padding: 16px 20px 40px; }

.nav-item { display: grid; grid-template-columns: 12px 1fr auto; gap: 2px 8px; align-items: center; padding: 7px 8px; border-radius: 6px; cursor: pointer; }
.nav-item:hover { background: var(--panel2); }
.nav-item.active { background: var(--accent-soft); }
.nav-item .name { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.nav-item .sub { grid-column: 2 / 4; color: var(--muted); font-size: 12px; }
.dot { width: 9px; height: 9px; border-radius: 50%; background: var(--muted); }
.dot.listening { background: var(--ok); }
.dot.error { background: var(--err); }
.dot.connected { background: var(--ok); }
.dot.connecting { background: var(--warn); }
.dot.disabled { background: var(--line); }
.ro { padding: 4px 0; }
.badge { font-size: 11px; padding: 0 7px; border-radius: 10px; background: var(--panel2); color: var(--muted); }
.badge.on { background: var(--accent); color: #fff; }
.nav-head { font-size: 11px; text-transform: uppercase; color: var(--muted); padding: 10px 8px 4px; letter-spacing: .5px; }

/* ---------- content */
h1 { font-size: 20px; margin: 0; }
h2 { font-size: 13px; text-transform: uppercase; letter-spacing: .5px; color: var(--muted); margin: 22px 0 8px; }
.dev-head { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.dev-head .meta { color: var(--muted); }
.tabs { display: flex; gap: 2px; overflow-x: auto; border-bottom: 1px solid var(--line); margin: 14px 0 4px; }
.tabs button { border: none; border-bottom: 2px solid transparent; border-radius: 0; background: none; padding: 8px 14px; color: var(--muted); }
.tabs button.active { color: var(--text); border-bottom-color: var(--accent); }
.card { overflow-x: auto; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 14px; }
.grid { display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(330px, 1fr)); }
.fields { display: grid; gap: 10px 18px; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
.field { display: flex; flex-direction: column; gap: 5px; }
.field > .label { color: var(--muted); font-size: 12.5px; }
.field.wide { grid-column: 1 / -1; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 6px; overflow: hidden; flex-wrap: wrap; }
.seg button { border: none; border-radius: 0; border-right: 1px solid var(--line); background: var(--panel); }
.seg button:last-child { border-right: none; }
.seg button.on { background: var(--accent); color: #fff; }
.chip { border-radius: 14px; padding: 3px 11px; }
.chip.on { background: var(--ok); color: #fff; border-color: var(--ok); }
.switch { position: relative; width: 40px; height: 22px; border-radius: 11px; background: var(--line); border: none; padding: 0; flex: none; }
.switch::after { content: ""; position: absolute; top: 3px; left: 3px; width: 16px; height: 16px; border-radius: 50%; background: #fff; transition: left .12s; }
.switch.on { background: var(--ok); }
.switch.on::after { left: 21px; }
input[type=range] { flex: 1; min-width: 120px; accent-color: var(--accent); }
.num { width: 80px; }
table { border-collapse: collapse; width: 100%; }
th, td { text-align: left; padding: 5px 8px; border-bottom: 1px solid var(--line); font-size: 13px; }
th { color: var(--muted); font-weight: 500; }
td.acts { white-space: nowrap; text-align: right; }
.empty { color: var(--muted); padding: 8px; font-style: italic; }
.events { display: flex; gap: 8px; flex-wrap: wrap; }
.event-form { display: flex; gap: 8px; align-items: flex-end; flex-wrap: wrap; padding: 10px; background: var(--panel2); border-radius: 6px; margin-top: 6px; }
.event-form .field { min-width: 150px; }

/* ---------- sessions */
.sessions td { font-family: var(--mono); font-size: 12.5px; }
.state-auth { color: var(--ok); }
.state-noauth { color: var(--warn); }

/* ---------- log */
.log-tools { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-bottom: 8px; }
.log { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); font-family: var(--mono); font-size: 12.5px; height: 52vh; overflow: auto; padding: 6px 0; }
.log .e { display: grid; grid-template-columns: 92px 22px 40px 1fr; gap: 6px; padding: 1px 10px; }
.log .e:hover { background: var(--panel2); }
.log .t { color: var(--muted); }
.log .d.rx { color: var(--rx); } .log .d.tx { color: var(--tx); } .log .d.sys { color: var(--sys); }
.log .x { white-space: pre-wrap; word-break: break-all; }
.log .x .esc { color: var(--muted); }
.log .e.sys .x { color: var(--sys); }
.sendbox { display: flex; gap: 8px; margin-top: 8px; }
.sendbox input[type=text] { flex: 1; font-family: var(--mono); }

/* ---------- faults */
.fault { display: flex; align-items: center; gap: 10px; padding: 6px 0; }
.fault .desc { color: var(--muted); font-size: 12.5px; }

/* ---------- dialog / toast */
dialog { border: 1px solid var(--line); border-radius: 10px; background: var(--panel); color: var(--text); padding: 18px 20px; width: min(560px, 94vw); }
dialog::backdrop { background: rgba(0, 0, 0, .35); }
dialog .actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 16px; }
.type-list { display: flex; flex-direction: column; gap: 4px; max-height: 46vh; overflow: auto; margin: 8px 0; }
.type-item { border: 1px solid var(--line); border-radius: 6px; padding: 7px 10px; cursor: pointer; text-align: left; display: block; background: var(--panel); }
.type-item.on { border-color: var(--accent); background: var(--accent-soft); }
.type-item .d { color: var(--muted); font-size: 12px; }
#toast { position: fixed; bottom: 18px; right: 18px; display: flex; flex-direction: column; gap: 6px; z-index: 10; }
#toast div { background: var(--text); color: var(--bg); padding: 8px 14px; border-radius: 6px; box-shadow: 0 4px 14px rgba(0,0,0,.2); }
#toast div.err { background: var(--err); color: #fff; }

/* ---------- login */
.login-page { display: grid; place-items: center; }
.login-box { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 28px; width: min(340px, 92vw); display: flex; flex-direction: column; gap: 12px; }
.login-box label { display: flex; flex-direction: column; gap: 4px; color: var(--muted); font-size: 13px; }
.login-box .err { color: var(--err); min-height: 1.2em; }

@media (max-width: 760px) {
    .layout { flex-direction: column; height: auto; }
    .side { width: auto; border-right: none; border-bottom: 1px solid var(--line); }
    #nav { max-height: 30vh; }
    .log .e { grid-template-columns: 92px 16px 1fr; gap: 4px; padding: 1px 6px; }
    .log .e .s { display: none; }
    .user { display: none; }
    main { padding: 12px 14px 32px; }
    .fields { grid-template-columns: 1fr; }
}

/* ---------- проекты / агенты */
.proj-sel { max-width: 260px; font-weight: 600; }
.agent-pill { display: inline-flex; align-items: center; gap: 6px; padding: 3px 10px; border-radius: 12px; background: var(--panel2);
              border: 1px solid var(--line); cursor: pointer; font-size: 12.5px; white-space: nowrap; }
.agent-pill .dot.on, .dot.on { background: var(--ok); }
.agent-pill .dot.off, .dot.off { background: var(--err); }
.hint { background: var(--accent-soft); border-radius: var(--radius); padding: 10px 14px; margin: 10px 0; }
.hint.warn { background: color-mix(in srgb, var(--warn) 16%, transparent); }
.addr { font-family: var(--mono); font-size: 15px; font-weight: 600; }
.steps { margin: 6px 0 0; padding-left: 20px; }
.steps li { margin: 4px 0; }
.code-input { font-family: var(--mono); font-size: 18px; letter-spacing: 3px; width: 130px; text-align: center; }
fieldset.ro-set { border: none; margin: 0; padding: 0; min-width: 0; }
.role { font-size: 11px; padding: 1px 7px; border-radius: 9px; background: var(--panel2); color: var(--muted); }
@media (max-width: 760px) {
    .proj-sel { max-width: 150px; }
    .agent-pill .an { display: none; }
    .brand .bn { display: none; }
    .top { gap: 8px; padding: 8px 10px; }
}