:root {
  --bg: #f4f3ef; --card: #fff; --ink: #1d2126; --muted: #6b7178; --line: #e2e0da;
  --accent: #0b6e8a; --accent-soft: #d8ecf1; --alt: #c9c4b8; --front: #c4562d;
  --ok: #2f7d4a; --err: #b3261e; --warn: #9a6a00; --on-accent: #fff; --speed: #7a4fbf;
  --mono: ui-monospace, "Cascadia Mono", Consolas, monospace;
}
/* Dunkles Design: automatisch nach Systemeinstellung, außer der Besucher hat "Hell" gewählt,
   oder fest über data-theme="dark" (Umschalter in der Kopfzeile) */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #15181b; --card: #1d2125; --ink: #e6e6e3; --muted: #9aa0a6; --line: #2e3338;
    --accent: #4fb3cf; --accent-soft: #19353d; --alt: #3d4247; --front: #e07a52;
    --ok: #6cc28a; --err: #ef7a72; --warn: #e0b04f; --on-accent: #0f1214; --speed: #b49cf2;
  }
}
:root[data-theme="dark"] {
    --bg: #15181b; --card: #1d2125; --ink: #e6e6e3; --muted: #9aa0a6; --line: #2e3338;
    --accent: #4fb3cf; --accent-soft: #19353d; --alt: #3d4247; --front: #e07a52;
    --ok: #6cc28a; --err: #ef7a72; --warn: #e0b04f; --on-accent: #0f1214; --speed: #b49cf2;
}
:root[data-theme="light"] { color-scheme: light; }
:root[data-theme="dark"] { color-scheme: dark; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 15px/1.5 system-ui, "Segoe UI", sans-serif; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code { font-family: var(--mono); font-size: .9em; }
h1 { font-size: 1.6rem; margin: 0 0 .2rem; letter-spacing: -.01em; }
h2 { font-size: 1.05rem; margin: 0 0 .8rem; }
h3 { font-size: .9rem; margin: 1rem 0 .4rem; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 16px; }
.top { background: var(--card); border-bottom: 1px solid var(--line); margin-bottom: 24px; }
.top .wrap { display: flex; align-items: center; justify-content: space-between; height: 54px; }
.brand { font-weight: 800; font-size: 1.15rem; color: var(--ink); letter-spacing: -.01em; display: flex; align-items: baseline; gap: 10px; }
.brand:hover { text-decoration: none; }
.brand sup { color: var(--accent); font-size: .62em; margin-left: 1px; position: relative; top: -.1em; }
.brand .tag { font-size: 12px; white-space: nowrap; font-weight: 400; color: var(--muted); letter-spacing: 0; }
@media (max-width: 520px) { .brand .tag { display: none; } }
.top nav a { margin-left: 20px; color: var(--muted); }
.top nav a.on { color: var(--ink); font-weight: 600; }
.foot { color: var(--muted); font-size: 12px; padding: 32px 16px; display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.foot .legal a { color: var(--muted); margin-left: 16px; }
.foot .legal a:hover { color: var(--ink); }
section { margin-bottom: 24px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 18px 20px; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.b { font-weight: 600; }
.r { text-align: right; font-variant-numeric: tabular-nums; }
.crumb { margin: 0 0 8px; }

.msg { padding: 10px 14px; border-radius: 8px; margin-bottom: 14px; border: 1px solid; }
.msg.ok { color: var(--ok); border-color: currentColor; }
.msg.err { color: var(--err); border-color: currentColor; }
.msg.warn { color: var(--warn); border-color: currentColor; }

button { font: inherit; border: 0; border-radius: 8px; padding: 9px 16px; background: var(--accent); color: #fff; cursor: pointer; }
button.ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); padding: 6px 12px; font-size: 13px; }
button.ghost:hover { border-color: var(--muted); }
button.danger { color: var(--err); }

.upload form { display: flex; gap: 14px; align-items: stretch; flex-wrap: wrap; }
.drop { flex: 1 1 320px; border: 2px dashed var(--line); border-radius: 10px; padding: 22px; display: flex; flex-direction: column; gap: 4px; cursor: pointer; text-align: center; }
.drop.over, .drop:hover { border-color: var(--accent); background: var(--accent-soft); }
.drop input { display: none; }

.row-head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }
.tablewrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; background: var(--card); }
section > .tablewrap > table, body > main > .tablewrap > table { border: 1px solid var(--line); border-radius: 10px; }
th, td { padding: 8px 10px; border-bottom: 1px solid var(--line); text-align: left; white-space: nowrap; }
th { font-size: 12px; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: .04em; }
tr.click { cursor: pointer; }
tr.click:hover td { background: var(--accent-soft); }
tr.bad td, li.bad { color: var(--err); }
tr.hl td { font-weight: 600; }
table.small td, table.small th { padding: 5px 8px; font-size: 13px; }

.title-row { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; flex-wrap: wrap; margin-bottom: 18px; }
.title-row p { margin: 0; }
.actions { display: flex; gap: 8px; }

.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; }
.kpi { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; display: flex; flex-direction: column; }
.kpi span { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.kpi b { font-size: 1.7rem; font-variant-numeric: tabular-nums; line-height: 1.2; }
.kpi small { color: var(--muted); font-size: 12px; }
.kpi.main { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.kpi.main span { color: var(--on-accent); opacity: .8; }

.chart { width: 100%; height: auto; display: block; }
.chart .alt { fill: var(--alt); opacity: .7; }
.chart .ratio { fill: none; stroke: var(--accent); stroke-width: 1.6; stroke-linejoin: round; }
.chart .fshift { stroke: var(--front); stroke-width: 1.2; stroke-dasharray: 3 3; }
.chart .ax { fill: var(--muted); font-size: 12px; }
.chart .base { stroke: var(--line); }
.legend { font-weight: 400; font-size: 12px; color: var(--muted); margin-left: 12px; }
.legend i { display: inline-block; width: 14px; height: 4px; margin: 0 4px 2px 10px; vertical-align: middle; }
.l-alt { background: var(--alt); height: 10px !important; }
.l-ratio { background: var(--accent); }
.l-front { background: var(--front); }

.matrix th, .matrix td { text-align: center; }
.matrix td.cell { background: color-mix(in srgb, var(--accent) calc(var(--a) * 100%), var(--card)); font-variant-numeric: tabular-nums; font-size: 13px; min-width: 52px; }
.matrix td.cell[style*="--a:0;"], .matrix td.cell[style="--a:0"] { background: var(--card); }
.matrix td.cross { outline: 2px solid var(--front); outline-offset: -3px; }

.grid2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 16px; }
.bars { display: flex; flex-direction: column; gap: 5px; }
.bar { display: grid; grid-template-columns: 76px 1fr 110px; align-items: center; gap: 8px; font-size: 13px; }
.bar .lbl { text-align: right; color: var(--muted); white-space: nowrap; }
.bar .track { background: var(--bg); border-radius: 4px; height: 14px; overflow: hidden; }
.bar .track span { display: block; height: 100%; background: var(--accent); }
.bar .val { font-variant-numeric: tabular-nums; }

.log { list-style: none; padding: 0; margin: 0; font-size: 13px; }
.log li { display: flex; gap: 12px; flex-wrap: wrap; padding: 6px 0; border-bottom: 1px solid var(--line); }
.log time { color: var(--muted); font-variant-numeric: tabular-nums; min-width: 140px; }
dl.kv { display: grid; grid-template-columns: auto 1fr; gap: 2px 14px; font-size: 13px; margin: 0; }
dl.kv dt { color: var(--muted); }
dl.kv dd { margin: 0; font-variant-numeric: tabular-nums; }
details.diag { margin-bottom: 24px; }
details.diag summary { cursor: pointer; list-style: revert; }
details.diag summary h2 { display: inline; margin: 0; }
.cleanup-row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.cleanup-row form.inline { display: flex; gap: 6px; align-items: center; font-size: 13px; }
.cleanup-row input.num { width: 60px; font: inherit; padding: 4px 6px; border: 1px solid var(--line); border-radius: 6px; background: var(--card); color: var(--ink); }
button:disabled { opacity: .45; cursor: default; }
#selform tbody tr { cursor: pointer; }
#selform tbody tr:hover td { background: var(--accent-soft); }
td input[type=checkbox], th input[type=checkbox] { margin: 0; cursor: pointer; }
.matrix td.cell { line-height: 1.25; padding: 6px 6px; }
.matrix td.cell .ratio { display: block; font-size: 11px; color: var(--muted); }
.matrix td.cell .share { display: block; font-weight: 600; }
.matrix td.cell.dark { color: var(--on-accent); }
.matrix td.cell.dark .ratio { color: var(--on-accent); opacity: .8; }
.ladder { margin: 18px 0 4px; }
.ladder .overlap { fill: var(--front); opacity: .09; }
.ladder .grid { stroke: var(--line); }
.ladder .rail { stroke: var(--line); stroke-width: 2; }
.ladder circle.used { fill: var(--accent); fill-opacity: .85; stroke: var(--card); stroke-width: 1; }
.ladder circle.unused { fill: none; stroke: var(--muted); stroke-width: 1.2; }
.ladder .cog { fill: var(--muted); font-size: 10px; }
.ladder .ovl { fill: var(--front); }
table.devices td { vertical-align: top; }
table.devices td .small { margin-top: 2px; white-space: normal; }
.chart .speed { fill: none; stroke: var(--speed); stroke-width: 1.4; stroke-linejoin: round; opacity: .9; }
.chart .ax-v { fill: var(--speed); }
.l-speed { background: var(--speed); }
/* Fadenkreuz im Verlaufsdiagramm */
.chartwrap { position: relative; }
.chart .xh-hit { fill: transparent; cursor: crosshair; touch-action: pan-y; }
.chart .xh, .chart .xh * { pointer-events: none; }
.chart .xh-line { stroke: var(--ink); stroke-width: 1; stroke-dasharray: 2 3; opacity: .55; }
.chart .xh-dot { stroke: var(--card); stroke-width: 1.5; }
.chart .xh-alt { fill: var(--muted); }
.chart .xh-v { fill: var(--speed); }
.chart .xh-ratio { fill: var(--accent); }
.xh-tip { position: absolute; pointer-events: none; z-index: 5; background: var(--card); border: 1px solid var(--line);
  border-radius: 8px; padding: 7px 10px; font-size: 12.5px; line-height: 1.5; box-shadow: 0 4px 14px rgba(0,0,0,.12);
  white-space: nowrap; font-variant-numeric: tabular-nums; }
.xh-tip div { display: flex; justify-content: space-between; gap: 14px; }
.xh-tip span { color: var(--muted); }
.xh-tip .t-v b { color: var(--speed); }
.xh-tip .t-r b { color: var(--accent); }
.xh-tip b .muted { font-weight: 400; }
/* Aufklappbare Karte */
details.mapbox { margin-bottom: 18px; padding: 0; overflow: hidden; }
details.mapbox > summary { cursor: pointer; padding: 12px 18px; font-weight: 600; list-style: none; user-select: none; }
details.mapbox > summary::-webkit-details-marker { display: none; }
details.mapbox > summary::before { content: '▸'; display: inline-block; width: 1.1em; color: var(--accent); transition: transform .15s; }
details.mapbox[open] > summary::before { transform: rotate(90deg); }
details.mapbox .when-open { display: none; }
details.mapbox[open] .when-open { display: inline; }
details.mapbox[open] .when-closed { display: none; }
#map { height: 480px; border-top: 1px solid var(--line); }
@media (max-width: 600px) { #map { height: 340px; } }
.leaflet-container { font: inherit; }
.leaflet-container .route-hit { cursor: crosshair; }
.chart .ftri { fill: var(--front); }
.chart .fmark { cursor: help; }
.chart .fmark-hit { fill: transparent; }
.chart .fmark:hover .ftri { stroke: var(--ink); stroke-width: 1; }
/* Kurven im Verlauf ein-/ausblenden */
.legend .lg { background: none; border: 0; padding: 2px 4px; margin: 0 2px; font: inherit; font-size: 12px; color: var(--ink); cursor: pointer; border-radius: 4px; }
.legend .lg:hover { background: var(--bg); }
.legend .lg i { margin-left: 0; }
.legend .lg[aria-pressed="false"] { color: var(--muted); opacity: .55; }
.legend .lg[aria-pressed="false"] i { background: var(--muted) !important; }
.chartwrap.hide-alt .s-alt, .chartwrap.hide-ratio .s-ratio,
.chartwrap.hide-speed .s-speed, .chartwrap.hide-front .s-front { display: none; }
.chartwrap.hide-alt .xh-alt, .chartwrap.hide-ratio .xh-ratio, .chartwrap.hide-speed .xh-v { visibility: hidden; }
.privacy { margin: -14px 0 24px; padding: 0 4px; }
/* Meistgenutzte Gänge */
.card-head { margin-bottom: 10px; }
.card-head h2 { margin: 0; }
.topsel { font-size: 13px; color: var(--muted); display: flex; align-items: center; gap: 6px; }
.topsel select { font: inherit; color: var(--ink); background: var(--card); border: 1px solid var(--line); border-radius: 6px; padding: 3px 6px; }
#geartable tbody tr.top td { background: color-mix(in srgb, var(--front) 11%, var(--card)); } /* wie das Überschneidungsband */
#geartable tbody tr.top td:first-child { box-shadow: inset 3px 0 0 var(--front); font-weight: 600; }
/* Umschalter Hell / Dunkel / Automatisch */
.top .wrap nav { display: flex; align-items: center; }
.theme { display: inline-flex; margin-left: 20px; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.theme button { background: none; color: var(--muted); border: 0; border-radius: 0; padding: 4px 8px; font-size: 13px; line-height: 1; cursor: pointer; }
.theme button + button { border-left: 1px solid var(--line); }
.theme button:hover { color: var(--ink); }
.theme button[aria-pressed="true"] { background: var(--accent-soft); color: var(--ink); }
@media (max-width: 520px) { .theme { margin-left: 12px; } .top nav a { margin-left: 12px; } }
/* Seite „Mein Rad“ */
.gearform { display: flex; flex-direction: column; gap: 16px; max-width: 640px; }
.gearform .field { display: flex; flex-direction: column; gap: 6px; }
.gearform label { font-weight: 600; font-size: 14px; }
.gearform select, .gearform input[type=text] { font: inherit; color: var(--ink); background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; }
.gearform .preview { margin: 0; color: var(--muted); font-size: 13px; font-variant-numeric: tabular-nums; }
.gearform button { align-self: flex-start; }
details.mapbox .mapnote { display: block; font-weight: 400; font-size: 12px; color: var(--muted); margin: 2px 0 0 1.1em; }
details.mapbox[open] .mapnote { display: none; }
/* Rechtstexte */
.legaltext { max-width: 760px; }
.legaltext h2 { margin-top: 1.6rem; }
.legaltext p, .legaltext li { line-height: 1.6; }
.legaltext .draft { border: 1px dashed var(--warn); color: var(--warn); padding: 10px 14px; border-radius: 8px; }
.legaltext .placeholder { background: color-mix(in srgb, var(--warn) 18%, var(--card)); padding: 0 4px; border-radius: 3px; }