:root{color-scheme:dark;font:16px/1.5 "Segoe UI",system-ui,sans-serif;background:#101318;color:#e9eef2;--muted:#a8b3bf;--panel:#191e26;--line:#303a46;--accent:#8be2bf;--ink:#142820}*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button{cursor:pointer;border:1px solid var(--line);background:#222c36;color:inherit;border-radius:.55rem;padding:.55rem .85rem}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid var(--accent);outline-offset:2px}button:disabled{opacity:.45;cursor:default}.primary{background:var(--accent);color:var(--ink);font-weight:700;border-color:transparent}.brand{display:flex;align-items:center;gap:.7rem;font-weight:750;letter-spacing:.02em}.mark{width:2rem;height:2rem;display:grid;place-items:center;border-radius:.4rem;background:var(--accent);color:var(--ink)}.page{max-width:83rem;width:100%;padding:2rem clamp(1rem,4vw,3.5rem);margin:0 auto;align-self:start}.top,.row,.actions{display:flex;align-items:center;gap:.65rem;flex-wrap:wrap}.top,.row{justify-content:space-between}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,20rem),1fr));gap:1rem}.card,.sign-in{border:1px solid var(--line);background:var(--panel);border-radius:.8rem;padding:1.15rem}.sign-in{max-width:25rem;margin:12vh auto;width:calc(100% - 2rem);padding:1.6rem}.sign-in .brand{margin-bottom:1.4rem}.stack{display:grid;gap:.8rem}.card dl{display:grid;grid-template-columns:auto 1fr;gap:.3rem .75rem}.card dd{margin:0;overflow-wrap:anywhere}.card dt,p,small{color:var(--muted)}h1,h2,h3,p{margin:.25rem 0 .65rem}h1{font-size:clamp(1.65rem,3vw,2.15rem);line-height:1.2}h2{font-size:1.15rem}.online,.offline{font-size:.8rem;white-space:nowrap;border:1px solid var(--line);padding:.12rem .5rem;border-radius:1rem}.online{color:var(--accent)}.offline{color:var(--muted)}label{display:grid;gap:.2rem;margin:.5rem 0}input,select,textarea{width:100%;padding:.5rem .6rem;background:#111820;color:inherit;border:1px solid var(--line);border-radius:.45rem}input[type=checkbox]{width:auto;accent-color:var(--accent)}label.check{display:flex;align-items:center;gap:.45rem}fieldset{border:1px solid var(--line);border-radius:.55rem;margin:.75rem 0;padding:.65rem}.columns{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.45rem .8rem}.code{font-family:Consolas,monospace;overflow-wrap:anywhere}a{color:var(--accent)}dialog{max-width:min(37rem,calc(100% - 1.5rem));max-height:90vh;width:100%;color:inherit;background:var(--panel);border:1px solid var(--line);border-radius:.8rem;padding:1.2rem}dialog::backdrop{background:#05080bc4}dialog footer{margin-top:.9rem;display:flex;gap:.55rem;justify-content:flex-end}#notice{position:fixed;bottom:1rem;right:1rem;max-width:min(30rem,calc(100% - 2rem));z-index:2}#notice:not(:empty){border:1px solid var(--line);background:#273541;border-radius:.55rem;padding:.65rem .9rem}.error{color:#ffacac;overflow-wrap:anywhere}.empty{padding:1.3rem;border:1px dashed var(--line);border-radius:.55rem}.warning{color:#ffe0a5}.card+button{margin-top:.8rem}
.device-heading{margin-top:1.5rem}.release-notes{white-space:pre-wrap;overflow-wrap:anywhere}progress{width:100%;accent-color:var(--accent)}

.shell{display:grid;grid-template-columns:72px minmax(0,1fr);min-height:100vh}
.sidebar{--rail-line:#263143;position:sticky;top:0;z-index:3;display:flex;flex-direction:column;
  height:100dvh;min-height:21rem;background:#0e1420;border-right:1px solid var(--rail-line)}
.rail-brand{display:grid;place-items:center;min-height:68px;border-bottom:1px solid var(--rail-line)}
.rail-brand .mark{width:40px;height:40px;border-radius:12px}
.rail-nav,.rail-account{display:flex;flex-direction:column;align-items:center;gap:5px;padding:12px 0}
.rail-nav{flex:1}
.rail-account{border-top:1px solid var(--rail-line)}
.rail-button{position:relative;display:grid;place-items:center;width:54px;height:48px;padding:0;border:0;border-radius:11px;
  background:transparent;color:#94a3b8}
.rail-button svg{width:22px;height:22px}
.rail-button:hover,.rail-button:focus-visible{background:#1a283b;color:#fff}
.rail-button.active,.rail-button.active:hover{background:#263447;color:#fff;box-shadow:inset 3px 0 var(--accent)}
.rail-tip{position:absolute;top:50%;left:calc(100% + 9px);transform:translateY(-50%);z-index:1;
  visibility:hidden;padding:.35rem .55rem;border-radius:.4rem;background:#141b21;color:#fff;
  box-shadow:0 4px 14px #0008;font-size:.75rem;font-weight:650;white-space:nowrap;pointer-events:none}
.rail-button:hover .rail-tip,.rail-button:focus-visible .rail-tip{visibility:visible}
@media(max-width:700px){
  .shell{grid-template-columns:minmax(0,1fr);grid-template-rows:auto 1fr}
  .sidebar{flex-direction:row;align-items:center;height:64px;min-height:0;border-right:0;border-bottom:1px solid var(--rail-line)}
  .rail-brand{min-height:0;flex:0 0 58px;border-bottom:0}
  .rail-brand .mark{width:36px;height:36px}
  .rail-nav,.rail-account{flex-direction:row;gap:2px;padding:0}
  .rail-account{padding:0 6px 0 4px;border-top:0}
  .rail-button{width:44px;height:44px}
  .rail-tip{top:calc(100% + 6px);left:0;transform:none}
  .rail-account .rail-tip{left:auto;right:0}
  .page{padding:1rem}
}

dialog:has(.garage-settings){max-width:min(48rem,calc(100% - 1.5rem));max-height:calc(100% - 1.5rem)}
.garage-settings{display:grid;gap:.85rem}
.garage-settings section,.settings-status{background:#101318;border:1px solid var(--line);border-radius:.65rem;padding:.85rem}
.settings-status{display:flex;align-items:center;justify-content:space-between;gap:.7rem}
.settings-status strong{color:var(--accent)}
.garage-settings h3,.garage-settings p{margin:0}
.garage-settings h3{font-size:1.05rem}
.garage-settings small,.garage-settings .hint{display:block;color:var(--muted);font-size:.875rem}
.garage-settings .hint{margin-top:.4rem}
.sensor-grid,.settings-fields{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,12rem),1fr));gap:.65rem;margin-top:.7rem}
.settings-fields{grid-template-columns:repeat(auto-fit,minmax(min(100%,8rem),1fr))}
.garage-settings label{margin:0}
.garage-settings section>label,.sensor-card label+label{margin-top:.6rem}
.sensor-card{min-width:0;margin:0;padding:.6rem .75rem .75rem;background:#121820}
.sensor-card legend{font-weight:650;padding:0 .25rem}
.sensor-card:has([name=distance]){grid-column:1/-1}
.garage-settings .check{min-height:2rem}
.garage-settings input[type=checkbox]{accent-color:var(--accent);width:1rem;height:1rem}
.garage-settings details{margin-top:.65rem;padding:.55rem .65rem;border:1px solid var(--line);border-radius:.45rem}
.garage-settings details p{margin-top:.4rem}
.garage-settings summary{cursor:pointer}

.firmware-offer{display:flex;align-items:center;justify-content:space-between;gap:.6rem;flex-wrap:wrap;
  margin:.75rem 0;padding:.65rem .75rem;border:1px solid var(--line);border-radius:.55rem;background:#121820}
.firmware-offer small{display:block}
.firmware-offer strong{color:var(--accent)}
button[data-action=delete-device]{color:#ffb8b8}
button.primary.danger{background:#ffb8b8;color:#431a1a}