:root{
  --bg:#0f1419; --card:#1a2129; --card2:#222c37; --line:#2c3845;
  --txt:#e8edf2; --mut:#8a99a8; --accent:#3fa9f5; --on:#2ecc71; --off:#5a6675;
  --heat:#e67e22; --danger:#e74c3c;
}
*{box-sizing:border-box;margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  background:var(--bg); color:var(--txt); max-width:900px; margin:0 auto;
  -webkit-tap-highlight-color:transparent;
  padding:18px;
  padding-left:max(18px,env(safe-area-inset-left));
  padding-right:max(18px,env(safe-area-inset-right));
  padding-bottom:max(18px,env(safe-area-inset-bottom));
}
h1{font-size:1.35rem;font-weight:650;margin-bottom:2px}
.status{font-size:.8rem;color:var(--mut);margin-bottom:18px;display:flex;align-items:center;gap:6px}
.dot{width:8px;height:8px;border-radius:50%;background:var(--off)}
.dot.ok{background:var(--on)} .dot.err{background:var(--danger)}
.refresh{background:none;border:1px solid var(--line);color:var(--mut);border-radius:8px;padding:5px 10px;font-size:.78rem;cursor:pointer}

.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:16px;margin-bottom:14px}
.card .label{font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--mut);margin-bottom:12px}

.row{display:flex;align-items:center;justify-content:space-between;gap:12px}
.unit-head{display:flex;flex-direction:column;gap:2px;min-width:0}
.unit-name{font-weight:600;font-size:1.05rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.unit-sub{font-size:.78rem;color:var(--mut)}

.toggle{position:relative;width:58px;height:32px;border-radius:32px;background:var(--off);border:none;cursor:pointer;transition:background .2s;flex:none}
.toggle.on{background:var(--on)}
.toggle::after{content:"";position:absolute;top:3px;left:3px;width:26px;height:26px;border-radius:50%;background:#fff;transition:left .2s}
.toggle.on::after{left:29px}

.stepper{display:flex;align-items:center;background:var(--card2);border-radius:12px;overflow:hidden;flex:none}
.stepper button{width:44px;height:44px;border:none;background:transparent;color:var(--txt);font-size:1.5rem;cursor:pointer;line-height:1}
.stepper button:active{background:rgba(255,255,255,.08)}
.stepper .val{min-width:64px;text-align:center;font-size:1.15rem;font-weight:650}
.stepper .val small{font-size:.7rem;color:var(--mut);font-weight:400}
.stepper.dim{opacity:.4;pointer-events:none}

.units{display:flex;flex-direction:column;gap:10px}
@media (min-width:620px){ .units{display:grid;grid-template-columns:1fr 1fr;gap:12px} }
.unit{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px;cursor:pointer}
.unit.off{opacity:.62}

.mode-btns{display:flex;gap:10px;margin-bottom:14px}
.modebtn{flex:1;padding:16px;border-radius:12px;border:2px solid var(--line);background:var(--card2);color:var(--txt);font-size:1.05rem;font-weight:700;cursor:pointer}
.modebtn.cool.active{background:var(--accent);border-color:var(--accent);color:#06121d}
.modebtn.heat.active{background:var(--heat);border-color:var(--heat);color:#1a0f00}

.global-btns{display:flex;gap:10px;margin-bottom:16px}
.gbtn{flex:1;padding:14px;border-radius:12px;border:1px solid var(--line);background:var(--card2);color:var(--txt);font-size:1rem;font-weight:600;cursor:pointer}
.glob-temp{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.glob-temp .apply{padding:10px 16px;border-radius:10px;border:none;background:var(--accent);color:#06121d;font-weight:650;cursor:pointer;flex:1;min-width:140px}

.empty{color:var(--mut);text-align:center;padding:24px;font-size:.9rem}
.toast{position:fixed;bottom:16px;left:50%;transform:translateX(-50%);background:var(--danger);color:#fff;padding:10px 16px;border-radius:10px;font-size:.85rem;opacity:0;transition:opacity .25s;pointer-events:none;z-index:60;max-width:90%}
.toast.show{opacity:1}

.overlay{position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:50;display:none;align-items:flex-start;justify-content:center;padding:24px;overflow:auto}
.overlay.show{display:flex}
.modal{position:relative;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px;width:100%;max-width:460px;margin-top:4vh}
.modal h2{font-size:1.15rem;font-weight:650;margin-bottom:4px}
.modal .sub{font-size:.8rem;color:var(--mut);margin-bottom:16px}
.modal-close{position:absolute;top:12px;right:14px;background:none;border:none;color:var(--mut);font-size:1.6rem;line-height:1;cursor:pointer}

.drow{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 0;border-top:1px solid var(--line)}
.dcol{padding:14px 0;border-top:1px solid var(--line)}
.dlabel{font-size:.95rem;color:var(--mut)}
.dcol .dlabel{display:block;margin-bottom:10px}
.seg{display:flex;gap:8px}
.seg button{flex:1;padding:12px 0;border:1px solid var(--line);background:var(--card2);color:var(--txt);border-radius:10px;font-size:.9rem;cursor:pointer}
.seg button.active{background:var(--accent);border-color:var(--accent);color:#06121d;font-weight:650}
.seg.dim{opacity:.4;pointer-events:none}

.name-row{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.name-row .ruid{font-size:.72rem;color:var(--mut);font-family:ui-monospace,Menlo,Consolas,monospace;width:56px;flex:none}
.name-row input{flex:1;min-width:0;background:var(--card2);border:1px solid var(--line);border-radius:10px;color:var(--txt);padding:10px 12px;font-size:.95rem}
.name-row input:focus{outline:none;border-color:var(--accent)}
.name-row .save{flex:none;width:44px;height:42px;border:none;border-radius:10px;background:var(--accent);color:#06121d;font-size:1.1rem;font-weight:700;cursor:pointer}
.name-row .save.ok{background:var(--on);color:#fff}
.name-row .save:disabled{opacity:.4;cursor:default}