:root{--bg:#f6f6f4;--panel:#fff;--ink:#1c1c1e;--mute:#6b6b70;--line:#dcdcd6;--accent:#E3000F;--ok:#1f9d55;--bad:#d64545;--warn:#d9a21b}
@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--bg:#141416;--panel:#1d1d20;--ink:#ececee;--mute:#9a9aa2;--line:#303034}}
:root[data-theme=dark]{--bg:#141416;--panel:#1d1d20;--ink:#ececee;--mute:#9a9aa2;--line:#303034}
*{box-sizing:border-box}
html,body{height:100%;margin:0}
body{display:flex;flex-direction:column;background:var(--bg);color:var(--ink);font:15px/1.4 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
header{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;padding:10px 16px;background:var(--panel);border-bottom:1px solid var(--line);padding-top:max(10px,env(safe-area-inset-top))}
.title{display:flex;align-items:center;gap:10px}
.logo{display:grid;place-items:center;width:28px;height:28px;border-radius:7px;background:var(--accent);color:#fff;font-weight:800}
h1{font-size:17px;margin:0;font-weight:700}h1 small{font-weight:500;color:var(--mute);font-size:13px}
.views{display:flex;border:1px solid var(--line);border-radius:9px;overflow:hidden}
.views button{border:0;background:transparent;color:var(--ink);padding:6px 14px;font:inherit;cursor:pointer}
.views button[aria-selected=true]{background:var(--ink);color:var(--bg)}
.filters{display:flex;gap:6px;flex-wrap:wrap}
.chip{border:2px solid var(--c);background:var(--c);color:#fff;border-radius:999px;min-width:40px;padding:3px 10px;font:700 13px/1.3 inherit;font-family:inherit;cursor:pointer;transition:opacity .15s,background .15s}
.chip[aria-pressed=false]{background:transparent;color:var(--c);opacity:.55}
.status{margin-left:auto;display:flex;align-items:center;gap:8px;color:var(--mute);font-size:13px}
.dot{width:9px;height:9px;border-radius:50%;background:var(--warn)}
.status.ok .dot{background:var(--ok)}.status.bad .dot{background:var(--bad)}
main{position:relative;flex:1;min-height:0}
#map,#net{position:absolute;inset:0}
#net{overflow:auto;padding:16px;background:var(--bg)}
.notice{position:absolute;left:50%;top:12px;transform:translateX(-50%);z-index:1000;background:var(--panel);border:1px solid var(--line);padding:8px 14px;border-radius:10px;box-shadow:0 4px 18px rgba(0,0,0,.15);max-width:90%}
footer{display:flex;flex-wrap:wrap;gap:4px 18px;padding:7px 16px;padding-bottom:max(7px,env(safe-area-inset-bottom));font-size:12px;color:var(--mute);background:var(--panel);border-top:1px solid var(--line)}
footer a{color:inherit}
.link{margin-left:auto;background:none;border:0;color:var(--mute);text-decoration:underline;cursor:pointer;font:inherit}
/* Leaflet bits */
.leaflet-container{background:var(--bg);font:inherit}
.train{position:relative;width:22px;height:22px;margin:-11px 0 0 -11px}
.train .body{position:absolute;inset:0;border-radius:50%;background:var(--c);border:2px solid #fff;box-shadow:0 1px 5px rgba(0,0,0,.45);color:#fff;font:800 9px/18px system-ui;text-align:center}
.train .arrow{position:absolute;left:50%;top:50%;width:0;height:0;margin:-17px 0 0 -5px;border:5px solid transparent;border-bottom:8px solid var(--c);transform-origin:5px 17px;filter:drop-shadow(0 0 1px #fff)}
.train.ghost .body{opacity:.75}
.stn{background:var(--panel);border:1.5px solid var(--c);border-radius:50%}
.leaflet-tooltip{font:13px/1.35 system-ui}
.tip b{font-weight:700}.tip .sub{color:var(--mute)}
/* schematic */
#net svg{display:block;min-width:720px;width:100%;height:auto}
#net text{fill:var(--ink);font:11px system-ui}
#net .mute{fill:var(--mute)}
#net .lane{stroke:var(--c);stroke-width:7;stroke-linecap:round}
#net .stn{fill:var(--panel);stroke:var(--c);stroke-width:2.5}
#net .t circle{fill:var(--c);stroke:#fff;stroke-width:2}
#net .t text{fill:#fff;font-weight:800;font-size:8px;text-anchor:middle}
/* debug */
#debug{max-height:42vh;overflow:auto;background:var(--panel);border-top:1px solid var(--line);padding:10px 16px;font-size:12px}
.debug-head{display:flex;gap:14px;align-items:center;margin-bottom:8px;flex-wrap:wrap}
#debug table{border-collapse:collapse;margin:6px 0 14px;width:100%}
#debug th,#debug td{border-bottom:1px solid var(--line);padding:2px 8px;text-align:left;vertical-align:top;font-variant-numeric:tabular-nums}
#debug td.n{color:var(--mute)}
@media (max-width:640px){.status{margin-left:0;width:100%}footer .link{margin-left:0}}
@media (prefers-color-scheme:dark){:root:not([data-theme=light]) .basemap{filter:invert(1) hue-rotate(180deg) brightness(.85) contrast(.9)}}
:root[data-theme=dark] .basemap{filter:invert(1) hue-rotate(180deg) brightness(.85) contrast(.9)}
.stn-label{display:none;position:absolute;left:9px;top:-8px;white-space:nowrap;font:600 11px/1.2 system-ui,sans-serif;color:#1c1c1e;text-shadow:-1px -1px 0 #fff,1px -1px 0 #fff,-1px 1px 0 #fff,1px 1px 0 #fff,0 0 4px #fff;pointer-events:none}
.labels .stn-label{display:block}
@media (prefers-color-scheme:dark){:root:not([data-theme=light]) .stn-label{color:#ececee;text-shadow:-1px -1px 0 #141416,1px -1px 0 #141416,-1px 1px 0 #141416,1px 1px 0 #141416,0 0 4px #141416}}
/* mode switch U-Bahn / Straßenbahn */
.modeswitch{position:relative;display:grid;grid-template-columns:1fr 1fr;width:68px;height:32px;border-radius:9px;background:var(--bg);border:1.5px solid var(--accent);overflow:hidden}
.modeswitch .thumb{position:absolute;top:0;bottom:0;left:0;width:50%;background:var(--accent);transition:transform .22s cubic-bezier(.3,.9,.3,1)}
.modeswitch[data-mode=tram] .thumb{transform:translateX(100%)}
.modeswitch button{position:relative;z-index:1;display:grid;place-items:center;border:0;background:transparent;color:var(--accent);font:800 15px/1 system-ui;cursor:pointer;padding:0;transition:color .2s}
.modeswitch button[aria-pressed=true]{color:#fff}
.modeswitch button:focus-visible{outline:2px solid var(--ink);outline-offset:-3px}
.chip-link{border:0;background:none;color:var(--mute);font:inherit;font-size:13px;text-decoration:underline;cursor:pointer;padding:3px 6px}
.filters{max-width:100%}
/* update banner (desktop app only) */
.update{display:flex;align-items:center;gap:12px;justify-content:center;padding:8px 16px;background:var(--accent);color:#fff;font-size:14px}
.update[hidden]{display:none}
.update-btn{border:1.5px solid #fff;background:transparent;color:#fff;border-radius:8px;padding:4px 12px;font:inherit;font-weight:600;cursor:pointer}
.update-btn:hover{background:#fff;color:var(--accent)}
#app-version{margin-left:auto;color:var(--mute)}
#app-version + .link{margin-left:12px}
/* vehicles per line */
.chip{display:inline-flex;align-items:center;gap:6px}
.chip .n{min-width:18px;padding:0 6px;border-radius:99px;background:rgba(255,255,255,.3);font-size:11px;line-height:18px;text-align:center}
.chip[aria-pressed=false] .n{background:color-mix(in srgb,var(--c) 14%,transparent)}
.chip .n[hidden]{display:none}