:root{
  --bg:#0f1216; --panel:#171b21; --panel2:#1d222a; --line:#2a313c;
  --fg:#e6e9ee; --mut:#96a0ad; --acc:#4b9fff; --acc2:#2b6fd6;
  --ok:#3fb950; --warn:#d29922; --bad:#f85149; --unknown:#8b949e;
  --pending:#a371f7;
}
@media (prefers-color-scheme: light){
  :root:not([data-theme="dark"]){
    --bg:#f5f7fa; --panel:#ffffff; --panel2:#eef1f5; --line:#d7dee6;
    --fg:#1b2027; --mut:#5c6773; --acc:#1f6feb; --acc2:#1a5fd0;
    --ok:#1a7f37; --warn:#9a6700; --bad:#cf222e; --unknown:#6e7781; --pending:#8250df;
  }
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{background:var(--bg);color:var(--fg);font:14px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
.hidden{display:none !important}
button{cursor:pointer;font:inherit;border:1px solid var(--line);background:var(--panel2);color:var(--fg);border-radius:7px;padding:7px 12px}
button:hover{border-color:var(--acc)}
button.mini{padding:2px 8px;font-size:12px}
button.link{background:none;border:none;color:var(--acc);padding:0;margin-bottom:8px}
input,select,textarea{font:inherit;background:var(--bg);color:var(--fg);border:1px solid var(--line);border-radius:7px;padding:7px 10px}
input:focus,textarea:focus,select:focus{outline:2px solid var(--acc2);outline-offset:0}
h1,h2,h3{font-weight:640}
h2{font-size:18px;margin:0 0 12px}
h3{font-size:14px;margin:18px 0 8px;color:var(--mut)}
.hint,.sub{color:var(--mut);font-size:13px}

/* login */
.gate{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;padding:16px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:24px}
.login{width:min(380px,92vw);display:flex;flex-direction:column;gap:12px}
.login h1{margin:0;font-size:22px}
.login label{display:flex;flex-direction:column;gap:5px;font-size:13px;color:var(--mut)}
.login input{width:100%}
.login button{background:var(--acc2);border-color:var(--acc2);color:#fff;padding:10px;font-weight:600;margin-top:4px}
.err{color:var(--bad);font-size:13px;min-height:18px}
.byline{color:var(--mut);font-size:12px}

/* shell */
.topbar{display:flex;align-items:center;gap:14px;padding:10px 16px;background:var(--panel);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10;flex-wrap:wrap}
.brand{font-weight:700}
.brand .tag{color:var(--mut);font-weight:400;font-size:12px}
.spacer{flex:1}
.live{display:flex;align-items:center;gap:7px;font-size:13px;color:var(--mut)}
.dot{width:10px;height:10px;border-radius:50%;background:var(--unknown);display:inline-block}
.dot.ok{background:var(--ok)} .dot.stale{background:var(--warn)} .dot.failed{background:var(--bad)} .dot.unknown{background:var(--unknown)}
.nav{display:flex;gap:6px;flex-wrap:wrap}
.nav button.on{border-color:var(--acc);color:var(--acc)}
.who{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--mut)}
.relaxbar{background:rgba(210,153,34,.15);border-bottom:1px solid var(--warn);color:var(--warn);padding:8px 16px;font-size:13px}
main{padding:16px;max-width:1100px;margin:0 auto}
.panel{margin-bottom:20px}
.foot{padding:16px;text-align:center;color:var(--mut);font-size:12px}

/* fleet */
.cars{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px}
.carcard{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:14px;cursor:pointer}
.carcard:hover{border-color:var(--acc)}
.carcard .id{font-weight:640;display:flex;align-items:center;gap:8px}
.carcard .meta{color:var(--mut);font-size:12px;margin-top:6px}
.badge{font-size:11px;padding:1px 7px;border-radius:20px;border:1px solid var(--line);color:var(--mut)}
.badge.ok{color:var(--ok);border-color:var(--ok)}
.badge.stale{color:var(--warn);border-color:var(--warn)}
.badge.failed{color:var(--bad);border-color:var(--bad)}
.badge.unknown{color:var(--unknown);border-color:var(--unknown)}
.badge.unmapped{color:var(--warn);border-color:var(--warn)}
.badge.pending{color:var(--pending);border-color:var(--pending)}

/* car detail */
.hbrow{margin:6px 0 14px}
.tabs{display:flex;gap:6px;border-bottom:1px solid var(--line);margin-bottom:14px;flex-wrap:wrap}
.tab{border:none;border-bottom:2px solid transparent;border-radius:0;background:none;padding:8px 12px;color:var(--mut)}
.tab.on{color:var(--fg);border-bottom-color:var(--acc)}
.tabbody{display:none}
.tabbody.on{display:block}
.kv{display:grid;grid-template-columns:auto 1fr;gap:4px 16px;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:14px;font-size:13px}
.kv .k{color:var(--mut)}
.kv .v{font-variant-numeric:tabular-nums;word-break:break-word}
.stale-note{color:var(--warn);font-size:12px;margin:8px 0}

/* logs */
.channels{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:8px;margin:12px 0}
.chan{display:flex;align-items:center;gap:8px;background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:8px 10px;font-size:13px}
.chan label{flex:1;display:flex;flex-direction:column}
.chan .sub2{color:var(--mut);font-size:11px}
.chan.dirty{border-color:var(--pending)}
.presets{display:flex;gap:6px;flex-wrap:wrap;margin:8px 0}
.pending{background:rgba(163,113,247,.12);border:1px solid var(--pending);border-radius:8px;padding:8px 10px;color:var(--pending);font-size:13px;margin:8px 0}
.authbox{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-top:12px;background:var(--panel2);border:1px solid var(--line);border-radius:8px;padding:10px}
.authbox.col{flex-direction:column;align-items:stretch}
.authbox .row{display:flex;gap:8px;flex-wrap:wrap}
.authbox input,.authbox textarea{flex:1;min-width:120px}
.msg{font-size:13px;margin-top:8px;min-height:18px}
.msg.ok{color:var(--ok)} .msg.bad{color:var(--bad)}
.out{background:#0a0d11;color:#d6deea;border:1px solid var(--line);border-radius:8px;padding:12px;overflow:auto;max-height:340px;white-space:pre-wrap;word-break:break-word;font:12px/1.5 ui-monospace,SFMono-Regular,Menlo,monospace}

/* versions */
.vergrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:12px;margin-top:12px}
.vercar{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:12px}
.vercar h4{margin:0 0 8px;font-size:14px}
.verrow{display:flex;justify-content:space-between;gap:8px;font-size:12px;padding:3px 0;border-top:1px solid var(--line)}
.verrow:first-of-type{border-top:none}
.vs-current{color:var(--ok)} .vs-stale{color:var(--bad)} .vs-unmeasured{color:var(--mut)} .vs-unknown_latest{color:var(--warn)} .vs-not_present{color:var(--unknown)}

/* ota */
.otastatus{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:14px;margin-bottom:14px}
.otastatus.blocked{border-color:var(--warn)}

/* apks */
.apks{display:flex;flex-direction:column;gap:8px;margin-top:12px}
.apk{display:flex;justify-content:space-between;gap:12px;background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:10px 12px;font-size:13px;flex-wrap:wrap}
.apk .sha{color:var(--mut);font:11px ui-monospace,monospace;word-break:break-all}

/* audit */
.audit{display:flex;flex-direction:column;gap:4px;font-size:12px}
.arow{display:grid;grid-template-columns:150px 90px 110px 1fr;gap:8px;padding:6px 8px;border:1px solid var(--line);border-radius:6px;background:var(--panel);align-items:center}
.arow .o-allowed{color:var(--ok)} .arow .o-denied{color:var(--warn)} .arow .o-error{color:var(--bad)}
@media(max-width:640px){.arow{grid-template-columns:1fr 1fr}}

/* ── account lifecycle (sign-in steps, invitation, reset, re-enrolment) ── */
.links{display:flex;flex-wrap:wrap;gap:4px 14px}
.login .links button.link{background:none;border:none;color:var(--acc);padding:0;margin:0;font-weight:400;font-size:13px}
.login button.link{background:none;border:none;color:var(--acc);padding:0;margin:0;font-weight:400;font-size:13px;text-align:left}
.login code,.relaxbar code,.hint code{font:12px ui-monospace,SFMono-Regular,Menlo,monospace;background:var(--panel2);border:1px solid var(--line);border-radius:5px;padding:1px 5px;word-break:break-all}
.qrbox{display:flex;flex-direction:column;align-items:center;gap:8px;margin:4px 0 8px}
/* The code is drawn dark-on-WHITE in both themes: phone scanners do not
   reliably read an inverted code, so the page never inverts it. */
.qrbox svg{width:232px;height:232px;background:#fff;border-radius:8px;border:1px solid var(--line)}
.qrbox .key{font:13px ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.06em;text-align:center;word-break:break-all;color:var(--fg)}
.qrbox .keylabel{color:var(--mut);font-size:12px;text-align:center}
.codes{columns:2;column-gap:18px;margin:4px 0 8px;padding-left:22px;font:14px/1.9 ui-monospace,SFMono-Regular,Menlo,monospace}
.btnlike{display:inline-block;text-align:center;border:1px solid var(--line);border-radius:7px;padding:7px 12px;color:var(--acc);text-decoration:none;font-size:13px}
.btnlike:hover{border-color:var(--acc)}
.check{flex-direction:row !important;align-items:center;gap:8px !important;color:var(--fg) !important}
.check input{width:auto !important}
.login button[disabled]{opacity:.5;cursor:not-allowed}
.codehint{margin:6px 0 0}

/* ── operators ── */
.stafflist{display:flex;flex-direction:column;gap:6px;font-size:13px}
.srow{display:grid;grid-template-columns:1.6fr 1fr 80px 90px 1.4fr;gap:8px;align-items:center;background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:8px 10px}
.srow .mut{color:var(--mut);font-size:12px}
.srow .st-active{color:var(--ok)} .srow .st-invited{color:var(--pending)} .srow .st-revoked{color:var(--unknown)}
.srow .act{display:flex;gap:6px;justify-content:flex-end}
.srow .act input{width:96px;padding:4px 6px}
@media(max-width:720px){.srow{grid-template-columns:1fr 1fr}.srow .act{justify-content:flex-start}}