:root{--bg:#fff;--fg:#1f1f1f;--muted:#6b6b6b;--line:#e6e6e6;--cur:#1a73e8;--gain:#1a7f37;--loss:#d93025}
*{box-sizing:border-box}
html,body{margin:0;height:100%;background:#eceff1;font:15px system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--fg)}
#phone{position:relative;margin:0 auto;height:100dvh;max-width:480px;background:var(--bg);display:flex;flex-direction:column;overflow:hidden}
@media (min-width:600px) and (min-height:760px){#phone{margin:24px auto;width:390px;height:844px;border-radius:36px;box-shadow:0 0 0 10px #222,0 20px 50px rgba(0,0,0,.35)}}
.screen{display:flex;flex-direction:column;flex:1 1 auto;min-height:0}
.screen[hidden]{display:none}
header{display:flex;align-items:center;gap:8px;padding:calc(12px + env(safe-area-inset-top)) 14px 10px;border-bottom:1px solid var(--line);flex:none}
header .track{font-weight:700;font-size:17px}
header .date,.sub{color:var(--muted);font-size:13px}
header .back{border:0;background:none;font-size:30px;line-height:1;padding:0 6px 4px 0;cursor:pointer;color:var(--cur)}
header .chip{margin-left:auto;border:1px solid var(--line);background:#f6f7f8;border-radius:16px;padding:6px 12px;font:inherit;font-size:13px;text-align:right;line-height:1.3;font-variant-numeric:tabular-nums}
.scroll{flex:1 1 auto;overflow:auto;padding:12px 14px 28px}
.scroll h3{margin:22px 0 4px;font-size:16px}
.hint{color:var(--muted);font-size:13px;margin:6px 0}
.card{background:#eef3ff;border-radius:12px;padding:10px 12px;margin:0 0 10px;font-size:14px}
.btn{display:block;width:100%;text-align:center;border:1px solid var(--line);background:#f6f7f8;border-radius:12px;padding:13px;font:inherit;font-weight:600;color:inherit;margin:8px 0;cursor:pointer}
.btn.primary{background:var(--cur);color:#fff;border-color:var(--cur)}
.row{display:flex;align-items:center;gap:10px;padding:11px 0;border-bottom:1px solid var(--line)}
.row>div{flex:1 1 auto;min-width:0}
.row button{border:1px solid var(--line);background:#fff;border-radius:10px;padding:7px 11px;font:inherit;font-size:13px;font-weight:600;cursor:pointer;flex:none}
.row button.primary{background:var(--cur);color:#fff;border-color:var(--cur)}
.ride{cursor:pointer}
.ride.empty{cursor:default;opacity:.55}
.ride .best{font-weight:700;font-variant-numeric:tabular-nums;flex:none}
.ride .del{border:0;background:none;color:var(--muted);font-size:20px;padding:0 4px}
.ok{color:var(--gain);font-weight:600}
#mapBox{position:relative;flex:46 1 0;overflow:hidden;background:#d6d6d6}
#mapRot{position:absolute;left:50%;top:50%;pointer-events:none}
.hud{position:absolute;background:rgba(255,255,255,.93);border-radius:12px;padding:6px 10px;box-shadow:0 1px 4px rgba(0,0,0,.25);font-variant-numeric:tabular-nums}
#delta{left:10px;top:10px;font-size:30px;font-weight:800;line-height:1}
#delta small{display:block;font-size:11px;font-weight:600;color:var(--muted);margin-top:3px}
#speeds{right:10px;top:10px;text-align:right;font-size:12px;color:var(--muted);line-height:1.25}
#speeds b{font-size:22px;color:var(--cur)}
#orient{right:10px;bottom:10px;border:0;font:inherit;font-size:13px;font-weight:600}
#credit{position:absolute;left:8px;bottom:6px;font-size:10px;color:#fff;text-shadow:0 0 3px #000}
#sectors{display:flex;height:30px;flex:none;position:relative;border-top:1px solid var(--line);border-bottom:1px solid var(--line);cursor:pointer}
#sectors div.s{display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;color:#fff;border-right:1px solid #fff;overflow:hidden}
#sectorCursor{position:absolute;top:-2px;bottom:-2px;width:3px;margin-left:-1px;background:#111;border-radius:2px}
#graphBox{position:relative;flex:40 1 0;touch-action:none;cursor:ew-resize}
#graph{position:absolute;inset:0;width:100%;height:100%}
#readout{position:absolute;left:50%;top:5px;transform:translateX(-50%);font-size:12px;color:#333;background:rgba(255,255,255,.95);padding:2px 9px;border-radius:10px;white-space:nowrap;font-variant-numeric:tabular-nums;border:1px solid var(--line)}
footer{display:flex;gap:8px;padding:8px 12px calc(10px + env(safe-area-inset-bottom));border-top:1px solid var(--line);flex:none}
footer button{flex:1;border:1px solid var(--line);background:#f6f7f8;border-radius:12px;padding:11px 0;font:inherit;font-weight:600}
footer button.on{background:var(--cur);color:#fff;border-color:var(--cur)}
#sheet{position:absolute;left:0;right:0;bottom:0;max-height:72%;background:#fff;border-radius:18px 18px 0 0;box-shadow:0 -6px 24px rgba(0,0,0,.25);transform:translateY(105%);transition:transform .25s;overflow:auto;padding:6px 14px 24px;z-index:5}
#sheet.open{transform:none}
#sheet h3{margin:10px 0 6px;font-size:16px}
.lap{display:grid;grid-template-columns:56px 1fr 52px 52px;align-items:center;gap:8px;padding:9px 0;border-bottom:1px solid var(--line);font-variant-numeric:tabular-nums}
.lap .t{font-weight:600}
.lap .bar{display:flex;height:10px;border-radius:5px;overflow:hidden;background:#eee}
.lap .bar i{flex:1 1 0}
.lap button{border:1px solid var(--line);background:#fff;border-radius:8px;padding:6px 0;font:inherit;font-size:12px;font-weight:600}
.lap button.sel{background:var(--cur);color:#fff;border-color:var(--cur)}
.lap button.ref.sel{background:#555;border-color:#555}
#status{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:var(--muted);background:var(--bg);z-index:10;text-align:center;padding:24px}
#status[hidden],#toast[hidden]{display:none}
#toast{position:absolute;left:50%;bottom:90px;transform:translateX(-50%);background:#222;color:#fff;padding:9px 16px;border-radius:18px;font-size:14px;z-index:20;white-space:nowrap}