:root{
  --bg:#0c0e11;--panel:#151920;--panel2:#1b2029;--line:#262d38;--ink:#e9edf2;--dim:#8b95a4;--faint:#5b6574;
  --acc:#38bdf8;--good:#22c55e;--warn:#f59e0b;--bad:#ef4444;--sim:#a78bfa;
  --z1:#8a94a6;--z2:#3b82f6;--z3:#22c55e;--z4:#eab308;--z5:#f97316;--z6:#ef4444;
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--ink);font:14px/1.4 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
button,input,textarea,select{font:inherit;color:inherit}
button{background:var(--panel2);border:1px solid var(--line);border-radius:8px;padding:7px 12px;cursor:pointer}
button:hover{border-color:#3a4452}
button.pri{background:var(--acc);border-color:var(--acc);color:#04121b;font-weight:600}
button.danger{color:var(--bad)}
button:disabled{opacity:.45;cursor:default}
input,textarea,select{background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:7px 9px}
.num{font-variant-numeric:tabular-nums}
header{position:sticky;top:0;z-index:5;display:flex;flex-wrap:wrap;gap:10px 16px;align-items:center;padding:10px 16px;background:rgba(12,14,17,.92);backdrop-filter:blur(6px);border-bottom:1px solid var(--line)}
.brand{font-weight:700;letter-spacing:.3px}
nav{display:flex;gap:4px}
nav button{background:none;border-color:transparent;color:var(--dim)}
nav button.on{color:var(--ink);background:var(--panel2);border-color:var(--line)}
.conn{margin-left:auto;display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.dot{width:9px;height:9px;border-radius:50%;background:var(--faint);display:inline-block;margin-right:6px}
.dot.on{background:var(--good)}.dot.wait{background:var(--warn)}.dot.sim{background:var(--sim)}
.pill{display:flex;align-items:center;color:var(--dim);font-size:13px;white-space:nowrap}
main{padding:12px 16px;max-width:1280px;margin:0 auto}
.view{display:none}.view.on{display:block}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:14px}
h2{font-size:13px;font-weight:600;color:var(--dim);text-transform:uppercase;letter-spacing:.8px;margin:22px 0 10px}
h2:first-child{margin-top:0}
label.f{display:flex;flex-direction:column;gap:4px;font-size:12px;color:var(--dim)}
label.f input{width:90px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:12px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:12px;display:flex;flex-direction:column;gap:8px}
.card canvas{width:100%;height:64px;display:block}
.card .t{font-weight:600}
.card .m{color:var(--dim);font-size:12px}
.card .row{gap:6px}
.card button{padding:5px 10px;font-size:13px}
.builder{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.3fr);gap:14px}
.builder textarea{width:100%;min-height:150px;resize:vertical;font-family:ui-monospace,Consolas,monospace;font-size:13px}
.builder canvas{width:100%;height:150px;display:block}
.hint{color:var(--faint);font-size:12px}
.err{color:var(--bad);font-size:12px;min-height:16px}
.tiles{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:10px}
.tile{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:10px 12px}
.tile .k{font-size:11px;color:var(--dim);text-transform:uppercase;letter-spacing:.8px}
.tile .v{font-size:40px;font-weight:700;line-height:1.1;font-variant-numeric:tabular-nums}
.tile .u{font-size:13px;color:var(--dim);font-weight:500;margin-left:3px}
.tile .s{font-size:12px;color:var(--dim);font-variant-numeric:tabular-nums}
.tile.big .v{font-size:52px}
.tile.hrz{border-left:5px solid var(--hrc,var(--line))}
.tile .zn{font-weight:700;color:var(--hrc,var(--dim))}
#hrZones{width:150px}
.iv{margin:10px 0;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:6px 14px;align-items:center}
.bar{height:8px;background:var(--panel2);border-radius:5px;overflow:hidden;grid-column:1/-1}
.bar>i{display:block;height:100%;width:0;background:var(--acc)}
/* ride view fills exactly one screen: the chart takes whatever height is left */
#v-ride.on{display:flex;flex-direction:column;height:calc(100vh - var(--hh,58px) - 24px)}
#rideOn{display:flex;flex-direction:column;flex:1;min-height:0}
#rideOn>.panel:not(.coach){flex:1;min-height:140px;display:flex}
#rideChart{width:100%;height:100%;display:block}
#rideOn .controls{margin-top:8px}
#v-ride main,#v-ride{padding-bottom:0}
#v-ride .hint{display:none}
.controls{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-top:12px}
.controls .adj{display:flex;align-items:center;gap:6px;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:3px}
.controls .adj span{min-width:64px;text-align:center}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.seg button{border:0;border-radius:0}
.seg button.on{background:var(--acc);color:#04121b}
.badge{font-size:12px;padding:3px 8px;border-radius:999px;background:var(--panel2);border:1px solid var(--line);color:var(--dim)}
.badge.warn{color:var(--warn);border-color:#5a4210}
table{width:100%;border-collapse:collapse}
th,td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--line);white-space:nowrap}
th{font-size:11px;color:var(--dim);font-weight:600;text-transform:uppercase;letter-spacing:.6px}
tbody tr{cursor:pointer}
tbody tr:hover{background:var(--panel2)}
.tablewrap{overflow-x:auto}
.stats{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:10px;margin:12px 0}
.stat .k{font-size:11px;color:var(--dim);text-transform:uppercase;letter-spacing:.6px}
.stat .v{font-size:22px;font-weight:700;font-variant-numeric:tabular-nums}
#sumChart{width:100%;height:240px;display:block}
.zones{display:flex;height:22px;border-radius:6px;overflow:hidden;margin-top:8px}
.zones i{display:block;height:100%}
.zlegend{display:flex;gap:12px;flex-wrap:wrap;font-size:12px;color:var(--dim);margin-top:6px}
.zlegend b{display:inline-block;width:9px;height:9px;border-radius:2px;margin-right:5px;vertical-align:-1px}
.empty{color:var(--dim);padding:40px 0;text-align:center}
.coach{margin:0 0 10px;padding:10px 12px;display:flex;gap:10px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.coach .k{font-size:11px;color:var(--acc);text-transform:uppercase;letter-spacing:.8px;margin-right:8px}
#coachMsg{font-size:16px;font-weight:600}
#coachPrev{font-size:13px;color:var(--dim);margin-top:4px}
#coachPrev div{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.coach.flash{border-color:var(--acc)}
.toast{position:fixed;left:50%;bottom:20px;transform:translateX(-50%);background:var(--panel2);border:1px solid var(--line);padding:9px 14px;border-radius:10px;opacity:0;transition:opacity .2s;pointer-events:none}
.toast.on{opacity:1}
@media (max-width:900px){
  .tiles{grid-template-columns:repeat(3,minmax(0,1fr))}
  .builder{grid-template-columns:1fr}
  .tile .v{font-size:30px}.tile.big .v{font-size:38px}
  #rideChart{height:240px}
  .conn{margin-left:0}
}
/* server mode additions */
#coachSaid{font-size:13px;color:var(--dim);margin-top:4px}
#coachSaid b{color:var(--ink);font-weight:500}
#coachMute{font-weight:700;min-width:84px}
#coachMute.muted{background:var(--warn);border-color:var(--warn);color:#1a1204}
#coachVerb{padding:6px 8px}
.pill.off{color:var(--bad)}
.modal{position:fixed;inset:0;z-index:20;display:none;align-items:flex-start;justify-content:center;padding:70px 16px 16px;background:rgba(0,0,0,.55)}
.modal.on{display:flex}
.modal .panel{width:min(440px,100%);display:flex;flex-direction:column;gap:10px}
.devlist{display:flex;flex-direction:column;gap:6px;max-height:50vh;overflow:auto}
.devlist button{display:flex;justify-content:space-between;gap:10px;text-align:left}
.devlist .m{color:var(--dim);font-size:12px}
/* coach bar: long messages and transcripts wrap and clamp; tap to expand, full text on hover */
.coach{flex-wrap:nowrap;align-items:flex-start}
.coach>div:first-child{flex:1;min-width:0;cursor:pointer}
.coach>.row{flex-shrink:0}
#coachMsg,#coachSaid{display:-webkit-box;-webkit-box-orient:vertical;overflow:hidden;overflow-wrap:anywhere}
#coachMsg{-webkit-line-clamp:3;line-clamp:3}
#coachSaid{-webkit-line-clamp:2;line-clamp:2}
#coachPrev div{max-width:100%}
.coach.open #coachMsg,.coach.open #coachSaid{-webkit-line-clamp:unset;line-clamp:unset}
@media (max-width:640px){.coach{flex-wrap:wrap}.coach>.row{width:100%}}
.pill.meter{font-variant-numeric:tabular-nums;border:1px solid var(--line);border-radius:999px;padding:2px 9px}
/* build modes: .webonly shows only in the hosted web build, .serveronly only with the local server */
body:not(.web) .webonly{display:none !important}
body.web .serveronly{display:none !important}
.warnbanner{border-color:var(--warn);margin-bottom:12px;font-size:13px}
#btnTrainer.reconnect{animation:pulse 1.4s ease-in-out infinite}
@keyframes pulse{50%{box-shadow:0 0 0 6px rgba(56,189,248,.25)}}
/* settings */
details.adv>summary{cursor:pointer;color:var(--dim);font-size:13px;margin-top:10px}
details.panel.adv>summary{margin-top:0;font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:.8px}
.setgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(360px,1fr));gap:14px}
.checks{display:flex;flex-direction:column;gap:6px}
.checks label{display:flex;gap:8px;align-items:center}
.warnbox{margin-top:8px;font-size:12px;color:var(--dim);border-left:3px solid var(--line);padding:4px 8px}
.warnbox.hot{color:var(--warn);border-color:var(--warn)}
.noagent .agentcol{display:none}
/* ride controls */
.controls button.big{padding:9px 18px;font-weight:700}
#cEnd.confirm{background:var(--bad);border-color:var(--bad);color:#fff}
.badge.done{color:var(--good);border-color:#14532d}
/* history */
#trendChart{width:100%;height:120px;display:block;margin-top:8px}
table.laps td,table.laps th{padding:6px 8px}
table.laps tbody tr{cursor:default}
.transcript{max-height:260px;overflow:auto;font:12px/1.5 ui-monospace,Consolas,monospace;color:var(--dim)}
.transcript div{white-space:pre-wrap;overflow-wrap:anywhere}
.transcript .c{color:var(--acc)}.transcript .s{color:var(--ink)}.transcript .f{color:var(--warn)}