:root{
  --bg:#0e1116; --bg2:#151a22; --card:#1b212b; --card2:#222a36;
  --txt:#eef2f7; --muted:#8b97a7; --line:#2a3340;
  --accent:#4da3ff; --accent2:#2b7fff;
  --on:#ffcf5c; --on-glow:rgba(255,207,92,.25);
  --ok:#49d17a; --off:#5a6575; --warn:#ff6b6b;
  --radius:18px; --gap:14px;
  font-size:16px;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;height:100%}
body{
  background:radial-gradient(1200px 700px at 80% -10%, #1a2330 0%, var(--bg) 55%) fixed;
  color:var(--txt);
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  display:flex;flex-direction:column;min-height:100vh;
  user-select:none;
}

/* ---------- Top bar ---------- */
.topbar{
  display:flex;align-items:center;gap:20px;
  padding:18px 24px;border-bottom:1px solid var(--line);
  background:linear-gradient(180deg, rgba(255,255,255,.03), transparent);
}
.brand .home-name{font-size:1.35rem;font-weight:700;letter-spacing:.2px}
.brand .date{color:var(--muted);font-size:.95rem;text-transform:capitalize}
.clock{
  margin-left:auto;font-variant-numeric:tabular-nums;
  font-size:3.1rem;font-weight:700;line-height:1;letter-spacing:1px;
}
.weather{display:flex;flex-direction:column;align-items:flex-end;min-width:120px}
.weather .w-temp{font-size:1.9rem;font-weight:700;line-height:1}
.weather .w-desc{color:var(--muted);font-size:.9rem}

/* ---------- Tabs ---------- */
.tabs{display:flex;gap:10px;padding:14px 24px 2px;flex-wrap:wrap}
.tab{
  display:flex;align-items:center;gap:8px;
  padding:10px 16px;border-radius:999px;cursor:pointer;
  background:var(--card);border:1px solid var(--line);color:var(--muted);
  font-weight:600;font-size:.95rem;transition:.15s;
}
.tab svg{width:18px;height:18px;fill:currentColor}
.tab.active{background:var(--accent2);border-color:var(--accent2);color:#fff;box-shadow:0 6px 18px rgba(43,127,255,.35)}
.tab .count{font-size:.8rem;opacity:.8}

/* ---------- Main grid ---------- */
main{padding:18px 24px 28px;flex:1}
.section-title{display:none}
.grid{
  display:grid;gap:var(--gap);
  grid-template-columns:repeat(auto-fill,minmax(210px,1fr));
}
.loading{color:var(--muted);padding:40px;text-align:center}

/* ---------- Card ---------- */
.card{
  position:relative;background:linear-gradient(180deg,var(--card2),var(--card));
  border:1px solid var(--line);border-radius:var(--radius);
  padding:16px;min-height:132px;display:flex;flex-direction:column;gap:10px;
  cursor:pointer;transition:transform .12s, border-color .15s, box-shadow .15s;
  overflow:hidden;
}
.card:active{transform:scale(.98)}
.card.readonly{cursor:default}
.card .top{display:flex;align-items:center;justify-content:space-between}
.icon{
  width:46px;height:46px;border-radius:12px;display:grid;place-items:center;
  background:#273040;color:var(--off);flex:none;
}
.icon svg{width:26px;height:26px;fill:currentColor}
.card.on{border-color:rgba(255,207,92,.45);box-shadow:0 0 0 1px rgba(255,207,92,.15),0 10px 26px -12px var(--on-glow)}
.card.on .icon{background:var(--on);color:#3a2d00;box-shadow:0 0 22px var(--on-glow)}

.name{font-weight:700;font-size:1.05rem;line-height:1.2}
.room{color:var(--muted);font-size:.85rem}
.meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:8px}
.state-label{font-size:.9rem;color:var(--muted);font-weight:600}
.card.on .state-label{color:var(--on)}

/* toggle pill */
.toggle{
  width:52px;height:30px;border-radius:999px;background:#2c3542;position:relative;
  flex:none;transition:background .15s;border:1px solid var(--line);
}
.toggle::after{content:"";position:absolute;top:3px;left:3px;width:22px;height:22px;border-radius:50%;background:#aeb8c6;transition:.18s}
.card.on .toggle{background:var(--on)}
.card.on .toggle::after{left:25px;background:#4a3a00}

/* big value (sensors / climate) */
.big{font-size:2rem;font-weight:700;line-height:1}
.sub{color:var(--muted);font-size:.85rem}
.badge{font-size:.78rem;font-weight:700;padding:3px 9px;border-radius:999px;background:#273040;color:var(--muted)}
.badge.live{background:rgba(73,209,122,.16);color:var(--ok)}
.badge.alert{background:rgba(255,107,107,.16);color:var(--warn)}

/* brightness bar */
.bar{height:6px;border-radius:4px;background:#2c3542;overflow:hidden}
.bar > i{display:block;height:100%;background:var(--on)}

/* live camera card */
.cam-live{min-height:auto;cursor:default}
.cam-img{margin-top:10px;border-radius:12px;overflow:hidden;background:#0b0e12;line-height:0}
.cam-img canvas{width:100%;height:auto;display:block}

/* camera */
.cam{background:#0b0e12;border-radius:12px;height:96px;display:grid;place-items:center;color:var(--muted);position:relative;overflow:hidden}
.cam .live{position:absolute;top:8px;left:8px}
.cam svg{width:34px;height:34px;opacity:.5;fill:currentColor}

/* ---------- Status bar ---------- */
.statusbar{
  display:flex;align-items:center;gap:10px;
  padding:10px 24px;border-top:1px solid var(--line);color:var(--muted);font-size:.85rem;
  background:rgba(0,0,0,.2);
}
.statusbar .grow{flex:1}
.statusbar .muted{opacity:.6}
.dot-ok::before{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--ok);margin-right:7px;vertical-align:middle}
.dot-bad::before{background:var(--warn)}
.sep{opacity:.4}

/* ---------- login / sesión ---------- */
.overlay{position:fixed;inset:0;background:rgba(8,10,14,.93);display:grid;place-items:center;z-index:1000;backdrop-filter:blur(4px)}
.login-card{background:linear-gradient(180deg,var(--card2),var(--card));border:1px solid var(--line);border-radius:20px;padding:30px;width:320px;max-width:90vw;display:flex;flex-direction:column;gap:12px;box-shadow:0 30px 80px -20px #000}
.login-title{font-size:1.4rem;font-weight:800}
.login-sub{color:var(--muted);margin-bottom:6px;font-size:.95rem}
.login-card input{padding:13px 14px;border-radius:12px;border:1px solid var(--line);background:var(--bg2);color:var(--txt);font-size:1rem;outline:none}
.login-card input:focus{border-color:var(--accent)}
.login-card button{margin-top:4px;padding:13px;border-radius:12px;border:none;background:var(--accent2);color:#fff;font-weight:700;font-size:1rem;cursor:pointer}
.login-card button:active{transform:scale(.98)}
.login-err{color:var(--warn);font-size:.85rem;min-height:1em}
.session{color:var(--muted)}
.session a{color:var(--accent);text-decoration:none}
body.readonly .toggle{display:none}
body.readonly .card{cursor:default}

/* ---------- salvapantallas ---------- */
.saver{position:fixed;inset:0;z-index:500;background:#000;display:none}
.saver.on{display:block}
.saver canvas{width:100%;height:100%;display:block}
.saver-clock{position:absolute;bottom:40px;left:54px;font-size:4.5rem;font-weight:700;color:#fff;text-shadow:0 3px 24px rgba(0,0,0,.85);font-variant-numeric:tabular-nums}

/* ---------- página de configuración ---------- */
.btn-ghost{color:var(--accent);text-decoration:none;padding:8px 14px;border:1px solid var(--line);border-radius:10px;background:var(--card)}
.gear{margin-left:14px;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:var(--card);display:grid;place-items:center;cursor:pointer;flex:none}
.gear svg{width:22px;height:22px;fill:var(--muted)}
body.cfg main{padding:18px 24px 40px;max-width:760px}
.cfg-card{background:linear-gradient(180deg,var(--card2),var(--card));border:1px solid var(--line);border-radius:16px;padding:20px 22px;margin-bottom:16px}
.cfg-card h2{margin:0 0 4px;font-size:1.15rem}
.cfg-card label{display:block;margin:12px 0 5px;font-size:.9rem;color:var(--muted)}
.cfg-card input[type=text],.cfg-card input:not([type]),.cfg-card input[type=number],.cfg-card input[type=password]{width:100%;padding:11px 12px;border-radius:10px;border:1px solid var(--line);background:var(--bg2);color:var(--txt);font-size:1rem;outline:none}
.cfg-card input:focus{border-color:var(--accent)}
.cfg-card .btn{margin-top:14px;padding:11px 18px;border-radius:10px;border:none;background:var(--accent2);color:#fff;font-weight:700;cursor:pointer}
.cfg-card hr{border:none;border-top:1px solid var(--line);margin:18px 0}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.chk{display:flex;align-items:center;gap:8px;color:var(--txt)!important;margin-top:14px}
.chk input{width:auto}
.photos{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:10px;margin-top:8px}
.photo{position:relative;border-radius:10px;overflow:hidden;border:1px solid var(--line)}
.photo img{width:100%;height:90px;object-fit:cover;display:block}
.photo span{display:block;font-size:.7rem;color:var(--muted);padding:3px 6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.photo .del{position:absolute;top:4px;right:4px;width:24px;height:24px;border-radius:50%;border:none;background:rgba(0,0,0,.6);color:#fff;cursor:pointer;font-size:.8rem}
.upload{display:inline-block;margin-top:12px;padding:10px 16px;border-radius:10px;border:1px dashed var(--line);background:var(--bg2);color:var(--accent);cursor:pointer}
.toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%) translateY(20px);background:var(--accent2);color:#fff;padding:12px 22px;border-radius:999px;font-weight:600;opacity:0;transition:.3s;z-index:2000}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

@media (max-width:720px){
  .clock{font-size:2.2rem}
  .grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr))}
  .weather{min-width:auto}
}