:root{--bg:#f6f7f9;--fg:#0f1720;--muted:#5b6672;--card:#fff;--line:#d9dee4;--band:#3b82f6;--mark:#0f1720;--byd:#d97706;--ok:#16a34a;--warn:#d97706;--bad:#dc2626}
@media (prefers-color-scheme:dark){:root{--bg:#0b0f14;--fg:#eef2f6;--muted:#93a1b0;--card:#131a22;--line:#26313d;--band:#60a5fa;--mark:#fff;--byd:#fbbf24;--ok:#4ade80;--warn:#fbbf24;--bad:#f87171}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.4 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;-webkit-text-size-adjust:100%}
main{max-width:640px;margin:0 auto;padding:max(12px,env(safe-area-inset-top)) 14px max(20px,env(safe-area-inset-bottom))}
header{display:flex;align-items:center;gap:8px;padding:6px 2px 10px;font-weight:600}
.dot{width:12px;height:12px;border-radius:50%;background:var(--muted);flex:none}
.dot.ok{background:var(--ok)}.dot.warn{background:var(--warn)}.dot.bad{background:var(--bad)}
#age{margin-left:auto;font-weight:400}
.muted{color:var(--muted)}.small{font-size:13px}
.hero{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:18px 16px 16px}
.label{color:var(--muted);font-size:14px;text-transform:uppercase;letter-spacing:.06em}
.big{font-size:clamp(64px,22vw,120px);font-weight:800;line-height:1;margin:2px 0;font-variant-numeric:tabular-nums}
.unit{font-size:.28em;font-weight:600;color:var(--muted)}
.sub{font-size:20px;font-weight:600;min-height:1.4em}
.bar{position:relative;height:30px;margin:16px 0 6px;background:linear-gradient(var(--line),var(--line)) center/100% 2px no-repeat}
.bandbar{position:absolute;top:6px;height:18px;border-radius:9px;background:var(--band);opacity:.55}
.marker{position:absolute;top:0;width:4px;height:30px;margin-left:-2px;border-radius:2px;background:var(--mark)}
.bydtick{position:absolute;top:2px;width:0;height:26px;margin-left:-1px;border-left:3px dashed var(--byd)}
.legend{display:flex;gap:14px;flex-wrap:wrap;font-size:13px;color:var(--muted)}
.sw{display:inline-block;width:14px;height:10px;margin-right:5px;border-radius:3px;vertical-align:-1px}
.sw.band{background:var(--band);opacity:.55}.sw.mark{width:4px;height:14px;background:var(--mark);vertical-align:-3px}.sw.byd{width:0;height:14px;border-left:3px dashed var(--byd);border-radius:0;vertical-align:-3px}
.row{display:flex;align-items:center;gap:10px;margin-top:12px;flex-wrap:wrap}
.chip{border:2px solid var(--muted);border-radius:999px;padding:3px 12px;font-weight:700}
.chip.ok{border-color:var(--ok)}.chip.warn{border-color:var(--warn)}.chip.bad{border-color:var(--bad)}
.note{color:var(--muted);font-size:14px}
.tiles{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:12px 0}
.tile{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:12px 14px}
.k{color:var(--muted);font-size:13px}.v{font-size:30px;font-weight:750;font-variant-numeric:tabular-nums}.u{font-size:14px;font-weight:500;color:var(--muted)}
h2{font-size:14px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;margin:18px 2px 6px}
svg{width:100%;height:80px;background:var(--card);border:1px solid var(--line);border-radius:12px;display:block}
footer{margin-top:18px;color:var(--muted);font-size:13px}
.stale{background:var(--card);border:2px solid var(--bad);border-radius:14px;padding:10px 14px;margin:0 0 12px;font-weight:600}
.stale[hidden]{display:none}
.hero.old .big,.hero.old .sub{opacity:.45}

/* tabs */
.tabs{display:flex;gap:8px;margin:0 0 10px}
.tabs a{flex:1;text-align:center;padding:10px 0;border:1px solid var(--line);border-radius:12px;color:var(--muted);text-decoration:none;font-weight:700;background:var(--card)}
.tabs a.on{color:var(--fg);border-color:var(--band);box-shadow:inset 0 -3px 0 var(--band)}
[hidden]{display:none !important}

/* trips list */
.tripshead .bigish{font-size:54px;font-weight:800;line-height:1;font-variant-numeric:tabular-nums}
.tripshead .sub{font-size:17px;margin-top:4px}
.pad{padding:14px 2px}
a.card,.card{display:block;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:12px 14px;margin:0 0 10px;color:var(--fg);text-decoration:none}
a.card:active{border-color:var(--band)}
.card.gap{border-style:dashed}
.cardtop{display:flex;align-items:center;gap:8px;justify-content:space-between}
.cardtop .when{font-weight:700}
.cardmid{display:flex;gap:18px;align-items:baseline;margin:6px 0 2px;flex-wrap:wrap}
.cardmid .v{font-size:30px;font-weight:800;font-variant-numeric:tabular-nums}
.cardmid .v.dim{color:var(--muted)}
.badge{font-size:12px;border:1px solid var(--muted);color:var(--muted);border-radius:999px;padding:1px 9px;font-weight:700}
.badge.live{border-color:var(--ok);color:var(--ok)}

/* trip page */
.back{display:inline-block;margin:2px 0 8px;color:var(--band);font-weight:700;text-decoration:none}
.tripname{font-size:20px;margin:0 0 8px}
.map{position:relative;width:100%;height:300px;overflow:hidden;border-radius:14px;border:1px solid var(--line);background:#e5e7eb}
.map .maptile{position:absolute;width:256px;height:256px;max-width:none;padding:0;border:0;border-radius:0;background:transparent}
.maplayer{position:absolute;left:0;top:0;width:100%;height:100%;background:transparent;border:0;border-radius:0}
.maphint{display:flex;height:100%;align-items:center;justify-content:center;color:#374151;padding:16px;text-align:center}
.attrib{position:absolute;right:0;bottom:0;background:rgba(255,255,255,.8);color:#111;font-size:11px;padding:1px 6px}
.legend .sw{width:14px;height:6px;opacity:1}
.big.small{font-size:clamp(40px,14vw,72px)}
.hero + .tiles,.hero + section{margin-top:12px}
.tripstotal{display:flex;align-items:baseline;gap:6px;flex-wrap:wrap}
.tripstotal .unit{font-size:19px;font-weight:600;color:var(--muted)}
.tabs a{font-size:15px}

/* info tooltips: (i) button + an explanation that opens in the page flow (works on touch, no hover needed) */
.info{width:26px;height:26px;border-radius:50%;border:1px solid var(--muted);background:transparent;color:var(--muted);font:700 13px/1 system-ui,sans-serif;padding:0;cursor:pointer;vertical-align:middle;flex:none}
.info:hover,.info[aria-expanded="true"]{color:var(--fg);border-color:var(--band)}
.info:focus-visible{outline:2px solid var(--band);outline-offset:2px}
.tip{display:block;margin:8px 0 2px;padding:9px 12px;background:var(--bg);border:1px solid var(--line);border-radius:10px;font-size:13px;line-height:1.45;color:var(--fg);font-weight:400;text-transform:none;letter-spacing:0}
.tabs{gap:6px}.tabs a{font-size:14px;padding:10px 0}
footer .info{margin-left:4px}

/* tooltips FLOAT over the page: opening one never moves the key stats */
main,.hero,section,footer,.card,#view-trips,#view-trip,#view-charging,#view-charge,#view-battery{position:relative}
.tip{position:absolute;left:10px;right:10px;z-index:30;margin:6px 0 0;background:var(--card);border-color:var(--band);box-shadow:0 10px 28px rgba(0,0,0,.45)}
.tip[hidden]{display:none}

/* big figures never split their unit onto a new line on a narrow phone */
.big.small{font-size:clamp(34px,11vw,64px)}
.big .unit{white-space:nowrap}

/* a visible pulse each time fresh data arrives */
.dot.pulse{animation:dotpulse 1.1s ease-out}
@keyframes dotpulse{0%{box-shadow:0 0 0 0 var(--ok)}70%{box-shadow:0 0 0 9px transparent}100%{box-shadow:0 0 0 0 transparent}}
@media (prefers-reduced-motion:reduce){.dot.pulse{animation:none}}
.pill{margin-left:10px;border:1px solid var(--muted);border-radius:999px;background:transparent;color:var(--muted);font:600 12px/1 system-ui,sans-serif;padding:6px 11px;cursor:pointer}
.pill[aria-pressed="true"]{color:var(--fg);border-color:var(--ok)}
footer{display:flex;align-items:center;flex-wrap:wrap}
footer .tip{flex-basis:100%}

/* account / sign-in */
.footlink{margin-left:10px;color:var(--band);font-weight:700;text-decoration:none}
.warnbox{border:2px solid var(--warn);border-radius:14px;padding:12px 14px;margin:0 0 10px;background:var(--card)}
.warnbox .warnhead{font-weight:800;font-size:17px;margin-bottom:4px}
form.signin{margin:6px 0 14px}
.field{display:block;margin:10px 0}
.flabel{display:block;color:var(--muted);font-size:13px;margin-bottom:4px}
form.signin input[type=text],form.signin input[type=password],form.signin select{width:100%;padding:12px;border:1px solid var(--line);border-radius:10px;background:var(--bg);color:var(--fg);font:inherit}
form.signin input:focus,form.signin select:focus{outline:2px solid var(--band);outline-offset:1px}
.check{display:flex;align-items:flex-start;gap:8px;margin:14px 0;font-weight:600}
.check input{width:22px;height:22px;margin-top:1px;flex:none}
button.primary{width:100%;padding:14px;border:0;border-radius:12px;background:var(--band);color:#06121f;font:800 16px/1 system-ui,sans-serif;cursor:pointer}
button.primary:disabled{opacity:.4;cursor:not-allowed}
.formmsg{margin-top:10px;font-weight:600;min-height:1.2em}
.errmsg{color:var(--bad)}.okmsg{color:var(--ok)}
.pill:disabled{opacity:.45;cursor:not-allowed}
.stale a, #batnote a { color: #93c5fd; }
body.anon .tabs, body.anon .footlink { display: none; }