:root {
  --bg: #f3f5f4; --card: #fff; --fg: #17201c; --muted: #66726c; --line: #dfe5e2;
  --accent: #c2410c; --accent-fg: #fff; --ok: #15803d; --warn: #b45309; --bad: #b91c1c;
  --track: #c2410c;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101513; --card: #19201d; --fg: #e8eeeb; --muted: #94a19a; --line: #2a3430;
    --accent: #f97316; --accent-fg: #111; --ok: #4ade80; --warn: #fbbf24; --bad: #f87171;
    --track: #fb923c;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
.top { display: flex; align-items: center; gap: 12px; padding: 10px 16px; background: var(--card); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 1000; }
.brand { font-weight: 700; display: flex; align-items: center; gap: 6px; color: var(--accent); }
.who { flex: 1; color: var(--muted); font-size: 14px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
main { max-width: 1100px; margin: 0 auto; padding: 16px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px; margin-bottom: 16px; }
h1 { font-size: 22px; margin: 0 0 4px; } h2 { font-size: 16px; margin: 0 0 10px; }
.muted { color: var(--muted); } .small { font-size: 13px; }
.hidden { display: none !important; }
.login { max-width: 420px; margin: 8vh auto; }
form label, .tools label { display: block; font-weight: 600; font-size: 14px; margin: 12px 0 0; }
input, select { width: 100%; margin-top: 4px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); color: var(--fg); font: inherit; }
.chk { display: flex !important; align-items: center; gap: 8px; font-weight: 400 !important; }
.chk input { width: auto; margin: 0; }
button { padding: 10px 16px; border-radius: 8px; border: 1px solid var(--accent); background: var(--accent); color: var(--accent-fg); font: inherit; font-weight: 600; cursor: pointer; }
button.ghost { background: transparent; color: var(--fg); border-color: var(--line); }
button:disabled { opacity: .6; cursor: wait; }
form button { width: 100%; margin-top: 18px; }
.err { color: var(--bad); min-height: 1.4em; margin: 10px 0 0; }
.grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 16px; }
.grid .card { margin-bottom: 0; } .grid { margin-bottom: 16px; }
@media (max-width: 760px) { .grid { grid-template-columns: 1fr; } }
.row { display: flex; flex-wrap: wrap; gap: 10px; align-items: end; margin-bottom: 10px; }
.row label { flex: 1; min-width: 140px; margin: 0; }
.status .age { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 13px; font-weight: 700; color: #fff; }
.age.ok { background: var(--ok); } .age.warn { background: var(--warn); } .age.bad { background: var(--bad); }
@media (prefers-color-scheme: dark) { .status .age { color: #111; } }
.big { font-size: 26px; font-weight: 700; font-variant-numeric: tabular-nums; margin: 8px 0 2px; }
.kv { display: grid; grid-template-columns: auto 1fr; gap: 4px 14px; margin-top: 10px; font-size: 14px; }
.kv dt { color: var(--muted); } .kv dd { margin: 0; font-variant-numeric: tabular-nums; }
.links { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.links a, .links button { font-size: 13px; padding: 6px 10px; border-radius: 8px; border: 1px solid var(--line); color: var(--fg); text-decoration: none; background: transparent; font-weight: 600; }
.mapcard { padding: 0; overflow: hidden; }
#map { height: 460px; }
@media (max-width: 760px) { #map { height: 340px; } }
.maphead, .tablehead { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px; }
.maphead { padding: 14px 16px 10px; }
.maphead h2, .tablehead h2 { margin: 0; }
.tablehead { margin-bottom: 4px; }
.tablehead button { padding: 6px 12px; font-size: 14px; }
.tablewrap { margin-top: 10px; }
.legend { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--muted); }
.legend .bar { width: 110px; height: 8px; border-radius: 4px; background: linear-gradient(90deg, #2563eb, #16a34a, #eab308, #dc2626); }
.legend .dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; border: 2px solid #fff; box-shadow: 0 0 0 1px #0004; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 1px; background: var(--line); border-top: 1px solid var(--line); }
.stats div { background: var(--card); padding: 10px 14px; }
.stats b { display: block; font-size: 18px; font-variant-numeric: tabular-nums; }
.stats span { font-size: 12px; color: var(--muted); }
#routesvg { padding: 8px 16px 12px; }
#routesvg svg { width: 100%; height: 420px; display: block; background: var(--bg); border-radius: 8px; }
#routesvg p { margin: 8px 0 0; }
.start-marker { background: #16a34a; color: #fff; border: 2px solid #fff; border-radius: 50%; font: 700 11px/18px system-ui, sans-serif; text-align: center; box-shadow: 0 0 0 1px #0005; }
#alt svg { width: 100%; height: 180px; display: block; }
#alt .axis { stroke: var(--line); } #alt text { fill: var(--muted); font-size: 11px; }
#alt .area { fill: var(--track); opacity: .18; } #alt .line { fill: none; stroke: var(--track); stroke-width: 2; }
.tablewrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; font-variant-numeric: tabular-nums; }
th, td { text-align: left; padding: 7px 8px; border-bottom: 1px solid var(--line); white-space: nowrap; }
th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .03em; }
td a { color: var(--accent); }
.alert { margin: 10px 0 0; padding: 10px 12px; border-radius: 8px; background: color-mix(in srgb, var(--bad) 14%, transparent); border: 1px solid var(--bad); font-weight: 600; }
.est { margin: 6px 0 0; padding: 8px 10px; border-left: 3px dashed var(--track); background: color-mix(in srgb, var(--track) 8%, transparent); border-radius: 4px; }

/* alarmy bezpieczeństwa */
.alert.sos { font-size: 17px; padding: 14px 16px; background: var(--bad); color: #fff; border-color: var(--bad); font-weight: 500; }
.alert.sos b { display: block; font-size: 20px; margin-bottom: 4px; }
.alert.warnmsg { background: color-mix(in srgb, var(--warn) 14%, transparent); border-color: var(--warn); }
.okmsg { margin: 10px 0 0; padding: 8px 12px; border-radius: 8px; background: color-mix(in srgb, var(--ok) 12%, transparent); border: 1px solid var(--ok); }
.badtxt { color: var(--bad); }
/* linki do podglądu */
#shareform { align-items: flex-end; }
#shareform label { flex: 1 1 160px; }
.newlink { margin-top: 12px; padding: 10px 12px; border-radius: 8px; border: 1px dashed var(--accent); }
.newlink input { flex: 1 1 240px; min-width: 0; font-family: ui-monospace, monospace; font-size: 13px; }
.sharelist { list-style: none; padding: 0; margin: 12px 0 8px; }
.sharelist li { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 8px 0; border-top: 1px solid var(--line); flex-wrap: wrap; }
button.small { padding: 5px 10px; font-size: 13px; }
main.doc { max-width: 900px; margin: 0 auto; }
main.doc h2 { margin-top: 22px; font-size: 18px; }
main.doc li { margin: 4px 0; }
.foot { text-align: center; margin: 18px 0 8px; }
main.doc a { color: var(--accent); }