:root {
  color-scheme: light;
  --page: #f9f9f7;
  --surface: #fcfcfb;
  --surface-2: #f2f1ed;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --muted: #898781;
  --grid: #e1e0d9;
  --axis: #c3c2b7;
  --border: rgba(11, 11, 11, 0.10);
  --accent: #2a78d6;
  --accent-ink: #ffffff;
  --s1: #2a78d6;  /* gemessen */
  --s2: #eb6834;  /* Simulation aktuell */
  --s3: #1baf7a;  /* Simulation neu */
  --s4: #eda100;
  --band: rgba(42, 120, 214, 0.14);
  --good: #0ca30c;
  --warning: #fab219;
  --serious: #ec835a;
  --critical: #d03b3b;
  --good-ink: #006300;
  --critical-ink: #b42f2f;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(0, 0, 0, .04), 0 2px 8px rgba(0, 0, 0, .04);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --page: #0d0d0d; --surface: #1a1a19; --surface-2: #242422;
    --ink: #ffffff; --ink-2: #c3c2b7; --muted: #898781;
    --grid: #2c2c2a; --axis: #383835; --border: rgba(255, 255, 255, 0.10);
    --accent: #3987e5;
    --s1: #3987e5; --s2: #d95926; --s3: #199e70; --s4: #c98500;
    --band: rgba(57, 135, 229, 0.20);
    --good-ink: #0ca30c; --critical-ink: #e66767;
    --shadow: none;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--page); color: var(--ink); }
body { font-size: 15px; line-height: 1.45; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 1.5rem; margin: 0 0 4px; font-weight: 650; letter-spacing: -0.01em; }
h2 { font-size: 1.1rem; margin: 0 0 10px; font-weight: 620; }
h3 { font-size: 0.95rem; margin: 0 0 8px; font-weight: 620; }
p { margin: 0 0 8px; }
.muted { color: var(--muted); }
.ink2 { color: var(--ink-2); }
.small { font-size: 0.85rem; }
.tnum { font-variant-numeric: tabular-nums; }
[hidden] { display: none !important; }

/* Layout */
.topbar { position: sticky; top: 0; z-index: 10; display: flex; align-items: center; justify-content: space-between;
  gap: 12px; padding: 10px 20px; background: var(--surface); border-bottom: 1px solid var(--border); }
.brand { display: flex; align-items: center; gap: 8px; font-weight: 650; color: var(--ink); }
.brand:hover { text-decoration: none; }
nav { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
nav a { color: var(--ink-2); font-size: 0.92rem; }
nav a.active { color: var(--ink); font-weight: 600; }
main { max-width: 1320px; margin: 0 auto; padding: 22px 20px 60px; }
.page-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 18px; }
.crumbs { font-size: 0.85rem; color: var(--muted); margin-bottom: 6px; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.grid { display: grid; gap: 16px; }
.grid.cols-3 { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.stack > * + * { margin-top: 16px; }
.spacer { flex: 1; }

.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow); min-width: 0; }
.card.link { cursor: pointer; transition: border-color .15s; }
.card.link:hover { border-color: var(--accent); }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 10px; flex-wrap: wrap; }

/* Controls */
.btn { display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--border); background: var(--surface);
  color: var(--ink); padding: 7px 14px; border-radius: 8px; font: inherit; font-size: 0.9rem; cursor: pointer; white-space: nowrap; }
.btn:hover { border-color: var(--axis); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); font-weight: 560; }
.btn.primary:hover { filter: brightness(1.07); }
.btn.danger { color: var(--critical-ink); }
.btn.ghost { background: transparent; border-color: transparent; }
.btn.small { padding: 4px 9px; font-size: 0.82rem; }
.btn:disabled { opacity: .5; cursor: default; }
input[type=text], input[type=password], input[type=number], select, textarea {
  font: inherit; color: var(--ink); background: var(--surface); border: 1px solid var(--axis); border-radius: 8px; padding: 7px 10px; min-width: 0; }
textarea { width: 100%; min-height: 60px; resize: vertical; }
input:focus, select:focus, textarea:focus, .btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
label.field { display: flex; flex-direction: column; gap: 4px; font-size: 0.85rem; color: var(--ink-2); }
.check { display: inline-flex; align-items: center; gap: 6px; font-size: 0.9rem; cursor: pointer; }

.chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chip { display: inline-flex; align-items: center; gap: 4px; padding: 2px 9px; border-radius: 999px; font-size: 0.8rem;
  background: var(--surface-2); color: var(--ink-2); border: 1px solid var(--border); white-space: nowrap; }
button.chip { cursor: pointer; font: inherit; font-size: 0.85rem; padding: 4px 12px; }
button.chip.on { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }

/* Status / Qualität: Farbe + Symbol + Text */
.q { display: inline-flex; align-items: center; gap: 5px; font-size: 0.8rem; color: var(--ink-2); white-space: nowrap; }
.q::before { content: ""; width: 9px; height: 9px; border-radius: 50%; background: var(--muted); flex: none; }
.q.q3::before { background: var(--good); }
.q.q2::before { background: var(--good); opacity: .65; }
.q.q1::before { background: var(--warning); }
.q.q0::before { background: var(--critical); }
.status { font-size: 0.82rem; white-space: nowrap; }
.status.done { color: var(--good-ink); }
.status.failed { color: var(--critical-ink); }
.status.running, .status.queued { color: var(--ink-2); }
.spin { display: inline-block; width: 10px; height: 10px; border: 2px solid var(--axis); border-top-color: var(--accent); border-radius: 50%; animation: spin 0.8s linear infinite; vertical-align: -1px; }
@keyframes spin { to { transform: rotate(360deg); } }

.notice { border-left: 3px solid var(--warning); background: var(--surface-2); padding: 8px 12px; border-radius: 6px; font-size: 0.88rem; color: var(--ink-2); }
.notice.err { border-left-color: var(--critical); }
.notice.info { border-left-color: var(--accent); }

/* Tabellen */
table.tbl { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.tbl th { text-align: left; font-weight: 560; color: var(--muted); font-size: 0.8rem; padding: 6px 8px; border-bottom: 1px solid var(--grid); }
.tbl td { padding: 8px; border-bottom: 1px solid var(--grid); vertical-align: middle; }
.tbl tr:last-child td { border-bottom: none; }
.tbl td.num, .tbl th.num { text-align: right; font-variant-numeric: tabular-nums; }
.tbl-wrap { overflow-x: auto; }

/* Upload */
.drop { border: 1.5px dashed var(--axis); border-radius: var(--radius); padding: 18px; text-align: center; color: var(--ink-2); cursor: pointer; transition: .15s; }
.drop.over { border-color: var(--accent); background: var(--surface-2); }

/* Tabs */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--grid); margin-bottom: 16px; flex-wrap: wrap; }
.tab { border: none; background: none; font: inherit; padding: 8px 14px; color: var(--ink-2); cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -1px; }
.tab.on { color: var(--ink); border-bottom-color: var(--accent); font-weight: 600; }

/* Achsen-Karten */
.axis-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(360px, 1fr)); gap: 16px; }
.kv { display: grid; grid-template-columns: auto 1fr; gap: 3px 12px; font-size: 0.86rem; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; font-variant-numeric: tabular-nums; }
.gains { display: grid; grid-template-columns: repeat(5, 1fr); gap: 6px; text-align: center; margin: 8px 0; }
.gains div { background: var(--surface-2); border-radius: 6px; padding: 4px 0; }
.gains b { display: block; font-size: 1.05rem; font-variant-numeric: tabular-nums; }
.gains span { font-size: 0.72rem; color: var(--muted); }
.chart { width: 100%; min-height: 60px; }
details summary { cursor: pointer; color: var(--ink-2); font-size: 0.88rem; margin-top: 8px; }

/* Tuner */
.tuner-axis { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(280px, 1fr); gap: 18px; }
@media (max-width: 900px) { .tuner-axis { grid-template-columns: minmax(0, 1fr); } }
.tuner-axis select { width: 100%; }
.slider-row { display: grid; grid-template-columns: 28px 1fr 64px 66px; align-items: center; gap: 8px; margin: 6px 0; }
.slider-row label { font-weight: 600; font-size: 0.9rem; }
.slider-row input[type=range] { width: 100%; accent-color: var(--s3); }
.slider-row input[type=number] { width: 64px; padding: 3px 6px; text-align: right; font-variant-numeric: tabular-nums; }
.slider-row .delta { font-size: 0.78rem; color: var(--muted); font-variant-numeric: tabular-nums; }
.slider-row .delta.chg { color: var(--ink); font-weight: 600; }
.metrics td.better { color: var(--good-ink); }
.metrics td.worse { color: var(--critical-ink); }
.legend-inline { display: flex; gap: 14px; flex-wrap: wrap; font-size: 0.8rem; color: var(--ink-2); margin: 4px 0 2px; }
.legend-inline i { display: inline-block; width: 16px; height: 0; border-top: 2px solid; vertical-align: middle; margin-right: 5px; }
.legend-inline i.dash { border-top-style: dashed; }
pre.cli { background: var(--surface-2); border-radius: 8px; padding: 12px; overflow-x: auto; font-size: 0.85rem; user-select: all; }

/* Dialog */
dialog { border: 1px solid var(--border); border-radius: 12px; background: var(--surface); color: var(--ink); padding: 20px; max-width: min(560px, 92vw); width: 100%; }
dialog::backdrop { background: rgba(0, 0, 0, 0.35); }

/* Login */
.login { max-width: 360px; margin: 10vh auto; }
.login .card { padding: 26px; }
.login form { display: flex; flex-direction: column; gap: 12px; }

/* Toasts */
#toasts { position: fixed; bottom: 18px; right: 18px; display: flex; flex-direction: column; gap: 8px; z-index: 100; }
.toast { background: var(--ink); color: var(--page); padding: 9px 14px; border-radius: 8px; font-size: 0.9rem; box-shadow: 0 4px 16px rgba(0,0,0,.2); max-width: 380px; }
.toast.err { background: var(--critical); color: #fff; }

.readout { display: flex; gap: 14px; flex-wrap: wrap; font-size: 0.78rem; color: var(--ink-2); min-height: 1.3em; margin-top: 2px; font-variant-numeric: tabular-nums; }
.readout i { display: inline-block; width: 10px; height: 3px; border-radius: 2px; margin-right: 5px; vertical-align: middle; }
/* uPlot an Theme anpassen */
.u-legend { font-size: 0.78rem; color: var(--ink-2); }
.u-legend .u-marker { width: 12px; height: 3px; border-radius: 2px; }
.u-select { background: var(--band); }

@media (max-width: 640px) {
  main { padding: 16px 16px 50px; }
  .topbar { padding: 8px 16px; }
  .brand span { display: none; }
  nav { gap: 12px; flex-wrap: nowrap; }
  .axis-grid { grid-template-columns: minmax(0, 1fr); }
  .slider-row { grid-template-columns: 24px 1fr 58px; }
  .slider-row .delta { display: none; }
}