:root{ --cvt-active:#FFC107; --cool:#E6F4FF; --coolLine:#9DD6FF; }
.cvt-ddb{font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}
.cvt-ddb .grid{
  background:#fbf8f4;border:1px solid #ece7df;border-radius:24px;
  padding: max(12px, env(safe-area-inset-top)) 14px 14px 14px;
  box-shadow:0 6px 20px rgba(0,0,0,.06);
  display:grid; gap:12px;
  grid-template-columns: 0.7fr 0.6fr 1fr;
  grid-template-areas: "logo weather clock" "devices devices devices";
  align-items:center;
}
.panel{display:flex;align-items:center}
.logo{grid-area:logo;justify-content:center}
.logo .logolink{display:inline-flex;align-items:center;justify-content:center;border-radius:14px;padding:4px}
.logo img{width:52px;height:52px;object-fit:contain;opacity:.9}

.weather{grid-area:weather;gap:10px}
.weather .wx-left{display:flex;align-items:center;gap:8px}
.weather .icon{font-size:28px}
.weather .temp{font-size:36px;font-weight:800;color:#111}
.weather .deg{font-size:.6em;margin-left:2px;opacity:.9}
.weather .wx-meta{display:flex;flex-direction:column;gap:4px;color:#2c2c2c}
.weather .row{display:flex;align-items:center;gap:6px;font-size:13px}
.weather .aqi{width:10px;height:10px;border-radius:999px;background:#4CAF50;display:inline-block}
.clock{grid-area:clock;flex-direction:column;align-items:flex-end}
.clock .time{font-size:40px;font-weight:900;color:#0b0b0b}
.clock .date{margin-top:2px;font-size:14px;color:#4b5563}

/* Devices */
.devices{grid-area:devices;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
.card{background:#fff;border:1px solid #eee8de;border-radius:16px;padding:12px;display:flex;align-items:center;gap:10px;box-shadow:0 4px 14px rgba(0,0,0,.04);min-height:74px;transition:box-shadow .2s ease,border-color .2s ease, background .2s ease}
.device{cursor:pointer;user-select:none;position:relative;transition:transform .12s ease}
.device:active{transform:scale(.985)}
.device.active{border-color:#e5efc5;box-shadow:0 0 0 3px rgba(255,193,7,.18), inset 0 0 32px rgba(255,193,7,.06)}
.device .ic{width:28px;height:28px;display:grid;place-items:center}
.device .txt{display:flex;align-items:center;gap:8px;width:100%}
.device .label{font-weight:800;color:#0b1324;font-size:15px}
.device .sub,.aircon .value{margin-left:auto;font-weight:800;color:#334155;font-size:15px}

/* Light / Door */
.dot{width:16px;height:16px;border-radius:50%;display:inline-block;background:transparent;box-shadow:0 0 0 2px #0f172a inset}
.device.active .dot{background:var(--cvt-active); box-shadow:0 0 10px rgba(255,193,7,.55), 0 0 0 2px #0f172a inset}
.doorframe{width:20px;height:22px;border:2px solid #0f172a;border-radius:2px;position:relative;display:inline-block;overflow:hidden}
.doorleaf{position:absolute;left:2px;top:2px;bottom:2px;width:7px;background:#0f172a;transform-origin:left center;transition:transform .35s ease}
.device.door.active .doorleaf{transform:rotateY(-70deg)}
.device.door.swing .doorleaf{transform:rotateY(-70deg)}

/* Fan — single blade centered */
.fanring{width:22px;height:22px;border-radius:50%;box-shadow:0 0 0 2px #0f172a inset;position:relative;display:inline-block;transform:translateZ(0)}
.fanring .hub{position:absolute;left:50%;top:50%;width:6px;height:6px;border-radius:50%;background:#0f172a;transform:translate(-50%,-50%)}
.fanring.oneblade .blade{position:absolute;left:50%;top:50%;width:9px;height:3px;background:#0f172a;border-radius:3px;transform-origin:0 50%;transform:translate(-50%,-50%) rotate(0deg) translateX(3px)}
.device.fan.active .fanring{animation:spin .9s linear infinite; will-change:transform}
@keyframes spin{from{transform:translateZ(0) rotate(0)}to{transform:translateZ(0) rotate(360deg)}}

/* Aircon airflow & cool tint */
.aircon .ic .acmin{display:inline-block;width:20px;height:10px;border:2px solid #0f172a;border-radius:4px;position:relative;background:transparent;transition:background .3s ease}
.aircon.active .ic .acmin{background:var(--cool)}
.airflow{position:absolute; right:10px; top:50%; transform:translateY(-50%); width:36px; height:18px; display:none; pointer-events:none}
.airflow span{position:absolute; left:0; right:0; height:2px; background:var(--coolLine); border-radius:2px; opacity:.0}
.airflow span:nth-child(1){ top:2px; animation:air 1500ms ease-in-out infinite }
.airflow span:nth-child(2){ top:8px; animation:air 1700ms ease-in-out infinite }
.airflow span:nth-child(3){ top:14px; animation:air 1900ms ease-in-out infinite }
@keyframes air{ 0%{transform:translateX(0); opacity:.1} 40%{opacity:.7} 100%{transform:translateX(10px); opacity:0} }
.aircon.active .airflow{ display:block }

/* Mobile */
@media (max-width: 820px){
  .cvt-ddb .grid{grid-template-columns:1fr;grid-template-areas:"logo" "weather" "clock" "devices"}
  .clock{align-items:center}
  .clock .time{font-size:38px}
  .logo img{width:46px;height:46px}
}
@media (max-width: 640px){
  .devices{grid-template-columns:1fr 1fr}
  .card{min-height:72px;padding:12px}
  .device .label{font-size:14.5px}
  .device .sub,.aircon .value{font-size:14.5px}
  .device .ic{width:26px;height:26px}
}