:root{
  --bg:#0b0f14; --card:#141b24; --card2:#1b2430; --line:#24303d;
  --fg:#eaf1f8; --muted:#8aa0b4; --accent:#2fd27a; --accent2:#36a3ff;
  --danger:#ff5d5d; --warn:#ffb63d; --radius:16px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--bg); color:var(--fg);
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  padding-bottom:calc(72px + env(safe-area-inset-bottom));
  -webkit-tap-highlight-color:transparent;
}
h1,h2,h3{margin:0}
button{font-family:inherit;color:inherit;cursor:pointer}

/* Topbar */
.topbar{
  position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;
  padding:calc(12px + env(safe-area-inset-top)) 16px 12px;
  background:linear-gradient(180deg,rgba(11,15,20,.98),rgba(11,15,20,.85));
  backdrop-filter:blur(8px);border-bottom:1px solid var(--line);
}
.car{display:flex;align-items:center;gap:10px}
.car-name{font-weight:700;font-size:16px}
.car-sub{font-size:12px;color:var(--muted)}
.dot{width:10px;height:10px;border-radius:50%;background:var(--muted);box-shadow:0 0 0 0 rgba(47,210,122,.6)}
.dot.online{background:var(--accent);animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(47,210,122,.5)}70%{box-shadow:0 0 0 8px rgba(47,210,122,0)}}
.top-battery{display:flex;align-items:center;gap:8px;font-weight:700}
.minibatt{width:34px;height:16px;border:2px solid var(--muted);border-radius:4px;position:relative;padding:1px}
.minibatt::after{content:"";position:absolute;right:-5px;top:4px;width:3px;height:6px;background:var(--muted);border-radius:0 2px 2px 0}
.minibatt i{display:block;height:100%;width:60%;background:var(--accent);border-radius:1px;transition:width .4s}

.demo-badge{
  display:none;position:sticky;top:64px;z-index:15;margin:8px auto 0;width:fit-content;
  background:var(--warn);color:#241a00;font-weight:800;font-size:11px;letter-spacing:.5px;
  padding:4px 10px;border-radius:999px;
}
body[data-mode="demo"] .demo-badge{display:block}

main{padding:14px 14px 0;max-width:720px;margin:0 auto;overflow-x:hidden}
.view{display:flex;flex-direction:column;gap:14px}
.view[hidden]{display:none}           /* la pestaña inactiva no se maqueta */
.hero-side{min-width:0}               /* permite encoger el texto, sin desbordar */

.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:14px}
.card-title{font-size:13px;color:var(--muted);text-transform:uppercase;letter-spacing:.6px;margin-bottom:10px}

/* Hero / batería */
.hero{display:flex;gap:16px;align-items:center}
.ring{position:relative;width:132px;height:132px;flex:0 0 auto}
.ring svg{transform:rotate(-90deg);width:100%;height:100%}
.ring-bg{fill:none;stroke:var(--card2);stroke-width:10}
.ring-fg{fill:none;stroke:var(--accent);stroke-width:10;stroke-linecap:round;
  stroke-dasharray:326.7;stroke-dashoffset:326.7;transition:stroke-dashoffset .6s,stroke .6s}
.ring-label{position:absolute;inset:0;display:flex;align-items:center;justify-content:center}
.soc-big{font-size:38px;font-weight:800;line-height:1}
.soc-unit{align-self:flex-start;margin-top:14px;color:var(--muted);font-weight:700}
.hero-side{flex:1;display:flex;flex-direction:column;gap:10px}
.stat{display:flex;justify-content:space-between;align-items:center;gap:8px}
.stat .k{color:var(--muted);font-size:13px}
.stat .v{font-weight:700}

.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.tile{display:flex;flex-direction:column;align-items:flex-start;gap:4px;border:1px solid var(--line);
  background:var(--card);border-radius:var(--radius);padding:14px;text-align:left}
.tile.active{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent) inset}
.tile-ico{font-size:24px}
.tile-k{color:var(--muted);font-size:12px}
.tile-v{font-weight:700}

.doors{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px}
.door{background:var(--card2);border-radius:10px;padding:10px 8px;font-size:12px;text-align:center;
  border:1px solid transparent;transition:.25s}
.door.open{border-color:var(--danger);color:var(--danger);background:rgba(255,93,93,.08)}

.seat-row{display:flex;justify-content:space-between;align-items:center;padding:6px 0}
.stepper{display:flex;align-items:center;gap:14px}
.stepper button{width:34px;height:34px;border-radius:50%;border:1px solid var(--line);background:var(--card2);font-size:18px}
.seat-stage{min-width:20px;text-align:center;font-weight:800;font-size:18px}
.seat-stage.heat{color:var(--warn)} .seat-stage.cool{color:var(--accent2)}
.seat-legend{color:var(--muted);font-size:11px;margin-top:6px}

/* Mapa */
#map{height:300px;border-radius:var(--radius);border:1px solid var(--line);z-index:1}
.trip-list{display:flex;flex-direction:column;gap:8px}
.trip{display:flex;justify-content:space-between;gap:8px;background:var(--card2);border-radius:10px;padding:10px;border:1px solid transparent}
.trip.active{border-color:var(--accent2)}
.trip .t-main{font-weight:600;font-size:14px}
.trip .t-sub{color:var(--muted);font-size:12px}
.trip .t-km{font-weight:700;color:var(--accent2)}

/* Cámara */
.cam-wrap{position:relative;padding:0;overflow:hidden;aspect-ratio:16/9;display:flex;align-items:center;justify-content:center;background:#000}
#liveVideo{width:100%;height:100%;object-fit:cover;display:none}
.cam-ph{color:var(--muted);text-align:center}
.cam-ph div{font-size:40px}
.cam-status{position:absolute;top:8px;left:8px;background:rgba(0,0,0,.6);padding:4px 10px;border-radius:999px;font-size:12px}
.cam-buttons{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.cambtn{padding:14px;border-radius:12px;border:1px solid var(--line);background:var(--card);font-weight:600}
.cambtn.active{border-color:var(--accent2);color:var(--accent2)}
.btn-wide{width:100%;padding:14px;border-radius:12px;border:1px solid var(--line);background:var(--card);font-weight:700}
.btn-wide.danger{border-color:var(--danger);color:var(--danger)}

/* Centinela */
.row-between{display:flex;justify-content:space-between;align-items:center}
.slider-row{display:flex;align-items:center;gap:10px;margin-top:12px}
.slider-row input[type=range]{flex:1}
.event-list{display:flex;flex-direction:column;gap:8px}
.event{display:flex;gap:10px;align-items:center;background:var(--card2);border-radius:10px;padding:8px}
.event .thumb{width:64px;height:40px;border-radius:6px;object-fit:cover;background:#000;flex:0 0 auto}
.event .e-main{font-weight:600;font-size:14px}
.event .e-sub{color:var(--muted);font-size:12px}

/* Switches / opts */
.opt{display:flex;justify-content:space-between;align-items:center;padding:8px 0}
.switch{position:relative;display:inline-block;width:46px;height:26px}
.switch.sm{width:42px;height:24px}
.switch input{display:none}
.switch span{position:absolute;inset:0;background:var(--card2);border:1px solid var(--line);border-radius:999px;transition:.25s}
.switch span::before{content:"";position:absolute;width:18px;height:18px;left:3px;top:3px;background:#fff;border-radius:50%;transition:.25s}
.switch.sm span::before{width:16px;height:16px}
.switch input:checked+span{background:var(--accent);border-color:var(--accent)}
.switch input:checked+span::before{transform:translateX(20px)}
.switch.sm input:checked+span::before{transform:translateX(18px)}

.muted{color:var(--muted);font-size:13px}
.empty{color:var(--muted);font-size:13px;text-align:center;padding:14px}
.footnote{color:var(--muted);font-size:11px;text-align:center;margin:8px 0 4px}

/* Vinculación */
.pair-row{display:flex;gap:10px;margin-top:10px}
.pair-row input{flex:1;background:var(--card2);border:1px solid var(--line);border-radius:10px;
  color:var(--fg);font-size:18px;font-weight:700;letter-spacing:3px;text-align:center;text-transform:uppercase;padding:12px}
.pair-row .btn-wide{flex:0 0 auto;width:auto;padding:12px 18px}

/* Telemetría */
.telem{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.tm{background:var(--card2);border-radius:10px;padding:12px;display:flex;flex-direction:column;align-items:center}
.tm-v{font-size:18px;font-weight:800}
.tm-k{font-size:11px;color:var(--muted);margin-top:2px;text-align:center}

/* Neumáticos */
.tyres{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.tyre{background:var(--card2);border-radius:10px;padding:12px;display:flex;flex-direction:column;align-items:center;border:1px solid transparent}
.tyre .tp{font-size:22px;font-weight:800}
.tyre .tl{font-size:11px;color:var(--muted);margin-top:2px}
.tyre.warn{border-color:var(--warn)}
.tyre.warn .tp{color:var(--warn)}

/* Ventanas */
.win-actions{display:flex;gap:10px;margin-top:10px}
.win-actions .btn-wide{font-size:14px;padding:12px}

/* Carga */
.charge-now{display:flex;align-items:center;justify-content:space-between}
.charge-soc{font-size:34px;font-weight:800;color:var(--accent)}
.grid3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px}
.kpi{text-align:center;padding:12px 8px}
.kpi-v{font-size:22px;font-weight:800}
.kpi-k{font-size:11px;color:var(--muted);margin-top:2px}
.chart{display:flex;align-items:flex-end;gap:6px;height:120px;padding-top:6px}
.chart .bar{flex:1;background:var(--accent);border-radius:4px 4px 0 0;min-height:6px;transition:height .4s}
.chart .bar.dc{background:var(--accent2)}
.charge-list{display:flex;flex-direction:column;gap:8px}
.charge-item{display:flex;align-items:center;gap:10px;background:var(--card2);border-radius:10px;padding:10px}
.ci-badge{flex:0 0 auto;width:34px;height:34px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:12px;background:rgba(47,210,122,.15);color:var(--accent)}
.ci-badge.dc{background:rgba(54,163,255,.15);color:var(--accent2)}
.ci-main{flex:1}
.ci-t{font-weight:600;font-size:14px}
.ci-s{color:var(--muted);font-size:12px}
.ci-kwh{text-align:right;font-weight:700}
.ci-kwh span{display:block;color:var(--muted);font-size:12px;font-weight:600}

/* Tabbar */
.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:20;display:flex;
  background:rgba(16,22,30,.96);backdrop-filter:blur(10px);border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
}
.tab{flex:1;background:none;border:none;color:var(--muted);font-size:10px;display:flex;flex-direction:column;align-items:center;gap:3px;padding:10px 0}
.tab span{font-size:20px;filter:grayscale(1);opacity:.7}
.tab.active{color:var(--fg)}
.tab.active span{filter:none;opacity:1}