:root {
  --bg: #f4f6fa;
  --card: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --line: #e2e8f0;
  --accent: #2563eb;
  --accent-soft: #dbeafe;
  --valid: #2563eb;
  --uncertain: #f59e0b;
  --unknown: #dc2626;
  --ref: #94a3b8;
  --good: #16a34a;
  --bad: #dc2626;
  --radius: 14px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1120;
    --card: #131c2e;
    --text: #e2e8f0;
    --muted: #94a3b8;
    --line: #23304a;
    --accent: #60a5fa;
    --accent-soft: #1e3a5f;
    --valid: #60a5fa;
    --ref: #64748b;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
/* hidden muss gegen display-Regeln wie .view { display: flex } gewinnen */
[hidden] { display: none !important; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  padding-bottom: calc(70px + env(safe-area-inset-bottom));
}
button, input { font: inherit; color: inherit; }

.top {
  position: sticky; top: 0; z-index: 5;
  display: flex; align-items: center; gap: 10px;
  padding: 10px 16px; padding-top: calc(10px + env(safe-area-inset-top));
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(8px);
}
.brand { display: flex; align-items: center; gap: 8px; font-weight: 650; flex: 1; }
.brand img { width: 26px; height: 26px; }
.pill { font-size: 12px; padding: 3px 10px; border-radius: 99px; background: var(--accent-soft); white-space: nowrap; }
.pill.warn { background: color-mix(in srgb, var(--uncertain) 25%, transparent); }
.pill.bad { background: color-mix(in srgb, var(--bad) 25%, transparent); }

main { max-width: 1100px; margin: 0 auto; padding: 0 16px; }
.view { display: flex; flex-direction: column; gap: 14px; }
.grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
@media (min-width: 900px) { .grid { grid-template-columns: repeat(4, 1fr); } }

.card { background: var(--card); border-radius: var(--radius); padding: 14px 16px; border: 1px solid var(--line); min-width: 0; }
.card h1 { margin: 0 0 12px; font-size: 22px; }
.card h2 { margin: 0 0 6px; font-size: 13px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.card-head { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.kpi .big { font-size: 28px; font-weight: 700; letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.kpi .big small { font-size: 14px; font-weight: 500; color: var(--muted); }
.kpi .sub { font-weight: 600; }
.kpi .cmp { font-size: 13px; margin-top: 4px; }
.kpi.accent { background: linear-gradient(135deg, var(--accent-soft), var(--card)); }
.up { color: var(--bad); } .down { color: var(--good); }
.muted { color: var(--muted); } .small { font-size: 12px; }
.error { color: var(--bad); }

.chart { width: 100%; min-height: 200px; }
.chart.tall { min-height: 280px; }

.segmented { display: grid; grid-template-columns: repeat(4, 1fr); background: var(--bg); border-radius: 10px; padding: 3px; }
.segmented button { border: 0; background: none; padding: 7px 0; border-radius: 8px; cursor: pointer; }
.segmented button.active { background: var(--card); box-shadow: 0 1px 3px rgb(0 0 0 / .15); font-weight: 600; }
.pager { display: flex; align-items: center; justify-content: space-between; margin: 12px 0 6px; text-align: center; }
.period { font-weight: 650; }
.ghost { border: 0; background: none; cursor: pointer; padding: 6px 12px; border-radius: 8px; font-size: 18px; }
#logout.ghost { font-size: 13px; color: var(--muted); }
.ghost:hover { background: var(--bg); }
.ghost:disabled { opacity: .25; cursor: default; background: none; }

.legend { display: flex; flex-wrap: wrap; gap: 4px 14px; font-size: 12px; color: var(--muted); margin-top: 6px; }
.sw { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 5px; vertical-align: -1px; }
.sw.valid { background: var(--valid); } .sw.uncertain { background: var(--uncertain); }
.sw.unknown { background: var(--unknown); } .sw.ref { background: var(--ref); height: 2px; vertical-align: 3px; }

.list { margin: 6px 0 0; padding-left: 0; list-style: none; }
.list li { display: flex; justify-content: space-between; gap: 10px; padding: 8px 0; border-top: 1px solid var(--line); font-variant-numeric: tabular-nums; }
.list li:first-child { border-top: 0; }
ol.list { counter-reset: n; }
ol.list li::before { counter-increment: n; content: counter(n) "."; color: var(--muted); width: 1.6em; flex: none; }
ol.list li span:first-of-type { flex: 1; }

.heatmap { display: grid; grid-template-columns: 26px repeat(24, 1fr); gap: 2px; font-size: 10px; color: var(--muted); }
.heatmap .cell { aspect-ratio: 1; border-radius: 3px; min-width: 0; }
.heatmap .lab { display: flex; align-items: center; }
.heatmap .hr { grid-column: span 6; border-left: 1px solid var(--line); padding-left: 3px; white-space: nowrap; }

.heatmap .cell { cursor: pointer; }
.heatmap .cell.sel { outline: 2px solid var(--text); outline-offset: 1px; }
.scale { display: flex; align-items: center; gap: 8px; font-size: 11px; color: var(--muted); margin-top: 10px; font-variant-numeric: tabular-nums; }
.scale-bar { flex: 1; height: 8px; border-radius: 4px; }
.readout { font-size: 13px; margin-top: 8px; min-height: 1.4em; font-weight: 600; }
.list.clickable li { cursor: pointer; }
.list.clickable li:hover { background: var(--bg); }

.sw.weekend { background: var(--uncertain); }
.period-card label.inline { flex-direction: row; align-items: center; gap: 10px; font-weight: 600; font-size: 14px; }
select { font: inherit; color: inherit; padding: 8px 10px; border-radius: 9px; border: 1px solid var(--line); background: var(--bg); flex: 1; }

.goal { margin: 10px 0 4px; }
.goal-head { display: flex; justify-content: space-between; gap: 8px; font-size: 14px; }
.goal-bar { height: 10px; border-radius: 5px; background: var(--bg); margin-top: 6px; position: relative; overflow: hidden; }
.goal-bar > i { position: absolute; inset: 0 auto 0 0; border-radius: 5px; background: var(--good); }
.goal-bar > i.over { background: var(--bad); }
.goal small { color: var(--muted); }

.month-row { flex-wrap: wrap; }
.month-row .m { font-weight: 600; min-width: 7.5em; }
.month-row .v { flex: 1; text-align: right; }

.settings { display: flex; flex-direction: column; gap: 14px; }
.settings fieldset { border: 0; padding: 0; margin: 0; display: grid; grid-template-columns: 1fr; gap: 10px; }
@media (min-width: 600px) { .settings fieldset { grid-template-columns: repeat(3, 1fr); } }
.settings legend { font-size: 13px; font-weight: 600; color: var(--muted); margin-bottom: 6px; }

.now-row { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.now-card .big { font-size: 34px; font-weight: 700; letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.now-side { flex: 1; min-width: 160px; }
.kpi .big small, .now-card .big small { font-size: 14px; font-weight: 500; color: var(--muted); }
.sw.base { background: var(--line); border: 1px solid var(--muted); }
.feel li { justify-content: flex-start; gap: 12px; align-items: baseline; }
.feel li b { min-width: 5.2em; text-align: right; font-variant-numeric: tabular-nums; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 8px; }
label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; }
input { padding: 9px 10px; border-radius: 9px; border: 1px solid var(--line); background: var(--bg); width: 100%; }
.result { margin-top: 12px; font-weight: 600; }

.pw { position: relative; display: block; }
.pw input { padding-right: 84px; }
.pw .ghost { position: absolute; right: 4px; top: 50%; transform: translateY(-50%); font-size: 12px; color: var(--accent); padding: 6px 8px; }
.login { max-width: 380px; margin: 10vh auto 0; display: flex; flex-direction: column; gap: 12px; }
button[type=submit] { background: var(--accent); color: #fff; border: 0; padding: 11px; border-radius: 10px; font-weight: 600; cursor: pointer; }
code { font-size: 12px; background: var(--bg); padding: 2px 5px; border-radius: 5px; }

.facts { display: grid; grid-template-columns: auto 1fr; gap: 6px 14px; margin: 6px 0 0; }
.facts dt { color: var(--muted); } .facts dd { margin: 0; font-variant-numeric: tabular-nums; }

.tabs {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 5;
  display: grid; grid-template-columns: repeat(5, 1fr);
  background: var(--card); border-top: 1px solid var(--line);
  padding-bottom: env(safe-area-inset-bottom);
}
.tabs button { border: 0; background: none; padding: 8px 0 10px; display: flex; flex-direction: column; align-items: center; gap: 2px; font-size: 11px; color: var(--muted); cursor: pointer; }
.tabs button .ico { font-size: 18px; line-height: 1; }
.tabs button.active { color: var(--accent); font-weight: 600; }

.banner { max-width: 1100px; margin: 0 auto 12px; padding: 0 16px; }
.banner > div { border-radius: 12px; padding: 10px 14px; font-size: 14px; border: 1px solid; }
.banner .warn { background: color-mix(in srgb, var(--uncertain) 15%, var(--card)); border-color: var(--uncertain); }
.banner .bad { background: color-mix(in srgb, var(--bad) 15%, var(--card)); border-color: var(--bad); }
.banner small { display: block; color: var(--muted); margin-top: 2px; }

.hint { font-size: 13px; color: var(--muted); background: var(--bg); border-radius: 10px; padding: 8px 12px; margin: 10px 0 0; }
.hint b { color: var(--text); }

.toast {
  position: fixed; left: 50%; transform: translateX(-50%); z-index: 10;
  bottom: calc(80px + env(safe-area-inset-bottom)); max-width: calc(100% - 32px);
  background: var(--text); color: var(--bg); padding: 10px 16px; border-radius: 10px; font-size: 14px;
  box-shadow: 0 4px 16px rgb(0 0 0 / .25);
}

.view.loading .card { opacity: .55; transition: opacity .2s; }
.view.loading .chart { background: linear-gradient(90deg, transparent, var(--bg), transparent); background-size: 200% 100%; animation: shimmer 1.2s infinite; border-radius: 8px; }
@keyframes shimmer { to { background-position: -200% 0; } }

/* uPlot an Theme anpassen */
.u-legend { display: none; }
.uplot { font-family: inherit; }