:root {
    color-scheme: light;
    --page: #f9f9f7;
    --surface: #fcfcfb;
    --surface-2: #f0efec;
    --ink: #0b0b0b;
    --ink-2: #52514e;
    --muted: #898781;
    --grid: #e1e0d9;
    --axis: #c3c2b7;
    --border: rgba(11, 11, 11, .10);
    --accent: #2a78d6;
    --accent-ink: #1c5cab;
    --accent-wash: rgba(42, 120, 214, .10);
    --series-1: #2a78d6;
    --series-2: #eb6834;
    --good: #0ca30c;
    --good-ink: #006300;
    --warning: #fab219;
    --warning-ink: #8a5a00;
    --critical: #d03b3b;
    --critical-ink: #b42323;
    --shadow: 0 1px 2px rgba(0, 0, 0, .04), 0 4px 16px rgba(0, 0, 0, .04);
    --radius: 10px;
}
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        color-scheme: dark;
        --page: #0d0d0d;
        --surface: #1a1a19;
        --surface-2: #232321;
        --ink: #f0efec;
        --ink-2: #c3c2b7;
        --muted: #898781;
        --grid: #2c2c2a;
        --axis: #383835;
        --border: rgba(255, 255, 255, .10);
        --accent: #3987e5;
        --accent-ink: #86b6ef;
        --accent-wash: rgba(57, 135, 229, .14);
        --series-1: #3987e5;
        --series-2: #d95926;
        --good-ink: #0ca30c;
        --warning-ink: #fab219;
        --critical-ink: #e66767;
        --shadow: none;
    }
}
:root[data-theme="dark"] {
    color-scheme: dark;
    --page: #0d0d0d;
    --surface: #1a1a19;
    --surface-2: #232321;
    --ink: #f0efec;
    --ink-2: #c3c2b7;
    --muted: #898781;
    --grid: #2c2c2a;
    --axis: #383835;
    --border: rgba(255, 255, 255, .10);
    --accent: #3987e5;
    --accent-ink: #86b6ef;
    --accent-wash: rgba(57, 135, 229, .14);
    --series-1: #3987e5;
    --series-2: #d95926;
    --good-ink: #0ca30c;
    --warning-ink: #fab219;
    --critical-ink: #e66767;
    --shadow: none;
}

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
    font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
    background: var(--page);
    color: var(--ink);
    font-size: 14px;
    line-height: 1.5;
}
.hidden { display: none !important; }
code, .mono { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 12.5px; }
a { color: var(--accent-ink); }
h1 { font-size: 20px; margin: 0; font-weight: 650; letter-spacing: -0.01em; }
h2 { font-size: 15px; margin: 0 0 12px; font-weight: 650; }
.muted { color: var(--muted); }
.small { font-size: 12.5px; }
.nowrap { white-space: nowrap; }

/* Topbar */
.topbar {
    position: sticky; top: 0; z-index: 20;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    display: flex; align-items: center; gap: 20px;
    padding: 0 20px; min-height: 56px;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 650; white-space: nowrap; }
.brand-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--muted); }
.brand-dot.ok { background: var(--good); }
.brand-dot.bad { background: var(--critical); }
.tabs { display: flex; gap: 2px; overflow-x: auto; flex: 1; min-width: 0; scrollbar-width: none; }
.tab {
    color: var(--ink-2); text-decoration: none; padding: 7px 12px; border-radius: 8px;
    font-weight: 500; white-space: nowrap; font-size: 13.5px;
}
.tab:hover { background: var(--surface-2); color: var(--ink); }
.tab.active { background: var(--accent-wash); color: var(--accent-ink); }
.tab .count {
    display: inline-block; min-width: 18px; padding: 0 5px; margin-left: 4px; border-radius: 9px;
    background: var(--critical); color: #fff; font-size: 11px; line-height: 18px; text-align: center;
}
.top-right { display: flex; align-items: center; gap: 10px; white-space: nowrap; }

.container { max-width: 1200px; margin: 0 auto; padding: 20px; }
.page-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

/* Cards */
.card {
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
    box-shadow: var(--shadow); padding: 16px; margin-bottom: 16px;
}
.card-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 12px; flex-wrap: wrap; }
.card-head h2 { margin: 0; }

/* Stat tiles */
.tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 12px; margin-bottom: 16px; }
.tile { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; box-shadow: var(--shadow); }
.tile-label { color: var(--ink-2); font-size: 12.5px; }
.tile-value { font-size: 24px; font-weight: 650; line-height: 1.25; margin-top: 2px; }
.tile-sub { color: var(--muted); font-size: 12px; margin-top: 2px; }

/* Status */
.status { display: inline-flex; align-items: center; gap: 6px; font-size: 12.5px; font-weight: 550; white-space: nowrap; }
.status::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--muted); }
.status.good { color: var(--good-ink); } .status.good::before { background: var(--good); }
.status.warn { color: var(--warning-ink); } .status.warn::before { background: var(--warning); }
.status.bad { color: var(--critical-ink); } .status.bad::before { background: var(--critical); }
.status.off { color: var(--muted); }

.badge { display: inline-block; padding: 1px 7px; border-radius: 6px; font-size: 11.5px; background: var(--surface-2); color: var(--ink-2); }
.lvl-error { color: var(--critical-ink); font-weight: 600; }
.lvl-warn { color: var(--warning-ink); font-weight: 600; }
.lvl-info { color: var(--muted); }

/* Buttons */
.btn {
    appearance: none; border: 1px solid transparent; border-radius: 8px; padding: 7px 14px;
    font: inherit; font-size: 13px; font-weight: 550; cursor: pointer; white-space: nowrap;
    display: inline-flex; align-items: center; gap: 6px;
}
.btn:disabled { opacity: .55; cursor: default; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover:not(:disabled) { filter: brightness(1.08); }
.btn-secondary { background: var(--surface); color: var(--ink); border-color: var(--border); }
.btn-secondary:hover:not(:disabled) { background: var(--surface-2); }
.btn-danger { background: transparent; color: var(--critical-ink); border-color: var(--border); }
.btn-danger:hover:not(:disabled) { background: rgba(208, 59, 59, .08); }
.btn-ghost { background: transparent; color: var(--ink-2); }
.btn-ghost:hover:not(:disabled) { background: var(--surface-2); color: var(--ink); }
.btn-sm { padding: 4px 10px; font-size: 12.5px; }
.seg { display: inline-flex; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.seg button { border: 0; background: var(--surface); color: var(--ink-2); padding: 5px 12px; font: inherit; font-size: 12.5px; cursor: pointer; }
.seg button.active { background: var(--accent-wash); color: var(--accent-ink); font-weight: 600; }

/* Forms */
input[type=text], input[type=password], input[type=url], input[type=number], input[type=search], select, textarea {
    width: 100%; padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px;
    background: var(--surface); color: var(--ink); font: inherit; font-size: 13.5px;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
.field { margin-bottom: 14px; }
.field label { display: block; font-weight: 550; margin-bottom: 4px; font-size: 13px; }
.hint { color: var(--muted); font-size: 12px; margin-top: 4px; }
.input-row { display: flex; gap: 6px; }
.checks { display: flex; flex-wrap: wrap; gap: 6px 14px; }
.checks label { display: inline-flex; gap: 6px; align-items: center; font-weight: 400; font-size: 13px; margin: 0; }
.switch { display: inline-flex; gap: 8px; align-items: center; cursor: pointer; }
.filters { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.filters > * { width: auto; min-width: 140px; }
.filters input[type=search] { flex: 1; min-width: 180px; }
.form-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 0 16px; }

/* Tables */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th { text-align: left; font-weight: 550; color: var(--ink-2); font-size: 12px; padding: 8px 10px; border-bottom: 1px solid var(--grid); white-space: nowrap; }
td { padding: 8px 10px; border-bottom: 1px solid var(--grid); vertical-align: top; }
tr:last-child td { border-bottom: 0; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
td.msg { word-break: break-word; min-width: 240px; }
.empty { padding: 28px; text-align: center; color: var(--muted); }

/* Bot cards */
.bots-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 16px; }
.bot-card { margin: 0; display: flex; flex-direction: column; gap: 10px; }
.bot-title { display: flex; justify-content: space-between; gap: 8px; align-items: flex-start; }
.bot-name { font-weight: 650; font-size: 15px; }
.kv { display: grid; grid-template-columns: 120px 1fr; gap: 4px 10px; font-size: 12.5px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; word-break: break-all; }
.bot-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; padding: 10px 0; border-top: 1px solid var(--grid); border-bottom: 1px solid var(--grid); }
.bot-stats div { font-size: 11.5px; color: var(--muted); }
.bot-stats b { display: block; font-size: 16px; color: var(--ink); font-weight: 650; }
.bot-error { font-size: 12px; color: var(--critical-ink); background: rgba(208, 59, 59, .07); border-radius: 6px; padding: 6px 8px; word-break: break-word; }
.bot-actions { display: flex; flex-wrap: wrap; gap: 6px; }

/* Chart */
.charts { display: grid; grid-template-columns: repeat(auto-fit, minmax(420px, 1fr)); gap: 16px; }
.chart-card { margin: 0; min-width: 0; }
.tiles > *, .bots-grid > * { min-width: 0; }
.overview-bots { margin-top: 16px; }
.chart-sub { color: var(--muted); font-size: 12.5px; margin: -8px 0 10px; }
.chart { position: relative; }
.chart svg { display: block; width: 100%; height: 200px; overflow: visible; }
.chart .grid line { stroke: var(--grid); stroke-width: 1; }
.chart .axis line { stroke: var(--axis); stroke-width: 1; }
.chart text { fill: var(--muted); font-size: 11px; font-variant-numeric: tabular-nums; }
.chart .bar { transition: opacity .1s; }
.chart .hit { fill: transparent; cursor: default; }
.chart.hovering .bar { opacity: .45; }
.chart.hovering .bar.on { opacity: 1; }
.tooltip {
    position: absolute; pointer-events: none; z-index: 5;
    background: var(--surface); border: 1px solid var(--border); border-radius: 8px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, .12); padding: 8px 10px; font-size: 12px; white-space: nowrap;
}
.tooltip .tt-head { color: var(--ink-2); margin-bottom: 4px; }
.tooltip .tt-row { display: flex; align-items: center; gap: 8px; }
.tooltip .tt-row b { font-weight: 650; color: var(--ink); }
.tooltip .key { width: 12px; height: 2px; border-radius: 1px; }
details.table-view { margin-top: 8px; font-size: 12.5px; }
details.table-view summary { cursor: pointer; color: var(--ink-2); }
details.table-view .table-wrap { max-height: 240px; overflow-y: auto; }

/* Modal */
.modal { position: fixed; inset: 0; z-index: 50; display: flex; align-items: flex-start; justify-content: center; padding: 6vh 16px; overflow-y: auto; }
.modal-backdrop { position: fixed; inset: 0; background: rgba(0, 0, 0, .45); }
.modal-card { position: relative; background: var(--surface); border-radius: 12px; width: 100%; max-width: 620px; padding: 20px; border: 1px solid var(--border); }
.modal-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.modal-head h2 { margin: 0; font-size: 17px; }
.form-error { background: rgba(208, 59, 59, .08); color: var(--critical-ink); padding: 8px 10px; border-radius: 8px; margin-bottom: 12px; font-size: 13px; }
.form-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 8px; }
pre.json { background: var(--surface-2); padding: 10px; border-radius: 8px; overflow: auto; max-height: 260px; font-size: 12px; margin: 0; }

/* Toast */
.toast {
    position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); z-index: 60;
    background: var(--ink); color: var(--surface); padding: 10px 16px; border-radius: 10px;
    font-size: 13.5px; max-width: calc(100vw - 32px); box-shadow: 0 6px 20px rgba(0, 0, 0, .2);
}
.toast.error { background: var(--critical); color: #fff; }

/* Login */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 16px; }
.login-card { width: 100%; max-width: 360px; }
.login-card h1 { margin-bottom: 4px; }
.login-card p { margin: 0 0 18px; }

@media (max-width: 720px) {
    .topbar { flex-wrap: wrap; padding: 8px 16px; gap: 8px; }
    .tabs { order: 3; flex-basis: 100%; }
    .container { padding: 16px; }
    .charts, .bots-grid { grid-template-columns: 1fr; }
    .kv { grid-template-columns: 100px 1fr; }
    .bot-stats { grid-template-columns: repeat(2, 1fr); }
    .filters > * { min-width: 0; flex: 1 1 140px; }
}