:root{
  --bg:#0f1115; --bg2:#161a21; --card:#1b2029; --card2:#212734;
  --line:#2a313d; --text:#eef1f6; --muted:#98a2b3; --muted2:#6b7482;
  --accent:#ff7a3d; --accent2:#ff9d4d; --accent-weak:#3a2417;
  --ok:#39d98a; --warn:#ffcf5c; --danger:#ff5d6c;
  --radius:18px; --radius-sm:12px; --shadow:0 8px 30px rgba(0,0,0,.35);
  --grad:linear-gradient(135deg,#ff7a3d,#ff5d6c);
}
@media (prefers-color-scheme: light){
  :root{ --bg:#f4f5f7; --bg2:#fff; --card:#fff; --card2:#f7f8fa; --line:#e6e8ec;
         --text:#1a1d23; --muted:#667085; --muted2:#98a2b3; --accent-weak:#fff1e8; --shadow:0 8px 24px rgba(20,20,40,.08); }
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;height:100%}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Inter,system-ui,sans-serif;
  background:radial-gradient(1200px 600px at 50% -10%, #1c2230 0, var(--bg) 55%);
  color:var(--text); line-height:1.45; -webkit-font-smoothing:antialiased;
  padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}
@media (prefers-color-scheme: light){ body{ background:var(--bg); } }
.hidden{display:none !important}
.muted{color:var(--muted)} .small{font-size:.82rem} .muted.small{color:var(--muted2)}
h1,h2,h3{margin:0;font-weight:700;letter-spacing:-.02em}
h2{font-size:1.15rem} h3{font-size:1.05rem}
.screen{min-height:100dvh}
.center{display:grid;place-items:center;padding:24px}
.wrap{max-width:520px;margin:0 auto;padding:14px 16px 40px}
.row{display:flex;align-items:center;gap:10px}
.between{justify-content:space-between}

/* botoes */
.btn{border:0;border-radius:var(--radius-sm);padding:12px 16px;font-size:.95rem;font-weight:600;
  color:#fff;background:var(--card2);cursor:pointer;transition:transform .06s ease,filter .15s ease}
.btn:active{transform:scale(.98)}
.btn.primary{background:var(--grad);box-shadow:0 6px 18px rgba(255,93,108,.28)}
.btn.primary:disabled{filter:grayscale(.6) brightness(.7);box-shadow:none;cursor:default}
.btn.ghost{background:transparent;border:1px solid var(--line);color:var(--text)}
.btn.small{padding:9px 13px;font-size:.85rem}
.btn.full{width:100%}
.btn.danger{color:var(--danger);border-color:transparent}
.icon-btn{background:transparent;border:0;color:var(--muted);font-size:1.2rem;padding:8px;border-radius:10px;cursor:pointer}
.icon-btn:hover{background:var(--card2);color:var(--text)}

/* login */
.login-card{width:100%;max-width:360px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:26px 22px;box-shadow:var(--shadow)}
.brand{display:flex;align-items:center;gap:10px}
.brand h1{font-size:1.6rem;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.flame{font-size:1.5rem}
label{display:block;font-size:.85rem;color:var(--muted);margin-top:14px}
input[type=email],input[type=password]{width:100%;margin-top:6px;padding:12px 14px;border-radius:var(--radius-sm);
  border:1px solid var(--line);background:var(--bg2);color:var(--text);font-size:1rem}
input:focus{outline:none;border-color:var(--accent)}
#loginForm .btn{width:100%;margin-top:20px}
.hint{font-size:.8rem;color:var(--muted2);text-align:center;margin:14px 0 0}
.error{color:var(--danger);font-size:.85rem;margin:12px 0 0}

/* topbar */
.topbar{position:sticky;top:0;z-index:5;display:flex;justify-content:space-between;align-items:center;
  padding:12px 16px;background:color-mix(in srgb,var(--bg) 82%, transparent);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line)}
#deviceSelect{background:var(--card);color:var(--text);border:1px solid var(--line);border-radius:12px;
  padding:9px 12px;font-size:.95rem;font-weight:600;max-width:70vw}

/* gauge */
.gauge-card{display:flex;gap:16px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:18px;margin:14px 0;box-shadow:var(--shadow)}
.gauge{flex:1;display:flex;flex-direction:column;justify-content:center}
.temp-now{font-size:3.2rem;font-weight:800;line-height:1;letter-spacing:-.03em;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.temp-now small{font-size:1.1rem;-webkit-text-fill-color:var(--muted);margin-left:4px}
.gauge-sub{display:flex;align-items:center;gap:7px;margin-top:8px}
.dot{width:9px;height:9px;border-radius:50%;background:var(--muted2)}
.dot.on{background:var(--ok);box-shadow:0 0 0 4px rgba(57,217,138,.15)}
.dot.off{background:var(--danger)}
.gauge-side{display:flex;flex-direction:column;justify-content:center;gap:10px;min-width:42%}
.kv{display:flex;justify-content:space-between;gap:10px;font-size:.9rem}
.kv b{font-weight:700}

/* switch */
.switch{position:relative;display:inline-block;width:50px;height:30px}
.switch input{display:none}
.slider{position:absolute;inset:0;background:var(--card2);border:1px solid var(--line);border-radius:30px;transition:.2s}
.slider::before{content:"";position:absolute;height:22px;width:22px;left:3px;top:3px;background:#fff;border-radius:50%;transition:.2s}
.switch input:checked + .slider{background:var(--grad);border-color:transparent}
.switch input:checked + .slider::before{transform:translateX(20px)}

/* banner */
.banner{border-radius:var(--radius-sm);padding:11px 14px;font-size:.88rem;margin:10px 0}
.banner.warn{background:var(--accent-weak);border:1px solid var(--warn);color:var(--warn)}

/* windows */
.windows{display:flex;flex-direction:column;gap:10px;margin:8px 0 14px}
.wcard{display:flex;align-items:center;gap:12px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-sm);padding:13px 14px;cursor:pointer;transition:border-color .15s}
.wcard:hover{border-color:var(--accent)}
.wcard.conflict{border-color:var(--danger)}
.wcard .temp-badge{font-size:1.35rem;font-weight:800;min-width:58px;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.wcard .wc-main{flex:1;min-width:0}
.wc-time{font-weight:600}
.wc-days{display:flex;gap:4px;margin-top:5px;flex-wrap:wrap}
.daypill{font-size:.68rem;font-weight:700;padding:2px 6px;border-radius:6px;background:var(--card2);color:var(--muted)}
.daypill.hot{background:var(--accent-weak);color:var(--accent2)}
.wcard .chev{color:var(--muted2)}
.empty{color:var(--muted2);text-align:center;padding:26px 10px;font-size:.9rem}

/* save bar */
.save-bar{display:flex;align-items:center;justify-content:flex-end;gap:12px;margin:6px 0 8px}
.save-bar .btn{min-width:180px}

/* manual */
.manual{margin-top:22px;border-top:1px solid var(--line);padding-top:14px}
.manual summary{cursor:pointer;color:var(--muted);font-size:.9rem}
.manual-body{padding:14px 0 4px}
.manual-row{display:flex;justify-content:space-between;align-items:center;margin-top:8px}
input[type=range]{width:100%;accent-color:var(--accent);height:28px}

/* modal / sheet */
.modal{position:fixed;inset:0;z-index:30;display:flex;align-items:flex-end;justify-content:center;
  background:rgba(0,0,0,.5);backdrop-filter:blur(2px)}
.sheet{width:100%;max-width:520px;background:var(--card);border:1px solid var(--line);
  border-radius:22px 22px 0 0;padding:18px 18px calc(18px + env(safe-area-inset-bottom));box-shadow:var(--shadow);
  animation:slideup .22s ease}
@media(min-width:560px){.modal{align-items:center}.sheet{border-radius:22px}}
@keyframes slideup{from{transform:translateY(30px);opacity:.6}to{transform:none;opacity:1}}
.sheet-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}
.days-pick{display:grid;grid-template-columns:repeat(7,1fr);gap:6px}
.daybtn{padding:11px 0;border-radius:10px;border:1px solid var(--line);background:var(--bg2);color:var(--muted);
  font-weight:700;font-size:.8rem;cursor:pointer}
.daybtn.sel{background:var(--grad);border-color:transparent;color:#fff}
.quick-days{display:flex;gap:8px;margin:10px 0 4px}
.chip-mini{background:var(--card2);border:1px solid var(--line);color:var(--muted);border-radius:20px;
  padding:6px 12px;font-size:.8rem;cursor:pointer}
.time-row{display:flex;gap:12px;margin:14px 0}
.time-row label{flex:1;margin:0}
input[type=time]{width:100%;margin-top:6px;padding:11px;border-radius:10px;border:1px solid var(--line);
  background:var(--bg2);color:var(--text);font-size:1rem}
.temp-label{color:var(--text);font-size:.95rem;margin-top:6px}
.temp-label input{margin-top:8px}
.sheet-actions{display:flex;gap:10px;margin-top:18px}
.sheet-actions .btn{flex:1}

/* toast */
.toast{position:fixed;left:50%;bottom:calc(24px + env(safe-area-inset-bottom));transform:translateX(-50%);
  background:var(--card2);border:1px solid var(--line);color:var(--text);padding:11px 18px;border-radius:14px;
  box-shadow:var(--shadow);font-size:.9rem;z-index:40;animation:pop .2s ease}
.toast.err{border-color:var(--danger);color:var(--danger)}
@keyframes pop{from{transform:translate(-50%,10px);opacity:0}to{transform:translate(-50%,0);opacity:1}}