:root{
  --bg:#07080c; --bg2:#0d1018;
  --wash1:rgba(88,86,214,.40); --wash2:rgba(10,132,255,.28); --wash3:rgba(255,159,10,.14);
  --card:rgba(255,255,255,.055); --card-hi:rgba(255,255,255,.085); --stroke:rgba(255,255,255,.08); --stroke-hi:rgba(255,255,255,.14);
  --text:#f5f5f7; --text2:rgba(235,235,245,.62); --text3:rgba(235,235,245,.38);
  --amber:#ffb340; --amber2:#ff9f0a; --blue:#0a84ff; --teal:#64d2ff; --green:#30d158; --red:#ff453a; --orange:#ff9f0a; --heat:#ff6b3d;
  --on-light-bg:linear-gradient(160deg,#fff4dc 0%,#ffd88a 100%); --on-light-text:#1d1606; --on-light-text2:rgba(40,28,4,.62);
  --sheet:rgba(28,28,32,.82); --chip:rgba(255,255,255,.08);
  --shadow:0 1px 0 rgba(255,255,255,.04) inset, 0 10px 30px -12px rgba(0,0,0,.6);
  --r:22px; --ease:cubic-bezier(.2,.8,.2,1); --spring:cubic-bezier(.34,1.56,.64,1);
  --font:-apple-system,BlinkMacSystemFont,"SF Pro Text","SF Pro Display","Helvetica Neue",system-ui,sans-serif;
  --display:-apple-system-headline,-apple-system,BlinkMacSystemFont,"SF Pro Display","Helvetica Neue",system-ui,sans-serif;
  --round:ui-rounded,"SF Pro Rounded",-apple-system,BlinkMacSystemFont,system-ui,sans-serif;
  color-scheme:dark;
}
@media (prefers-color-scheme:light){:root{
  --bg:#eef0f5; --bg2:#f6f7fb;
  --wash1:rgba(120,115,255,.20); --wash2:rgba(90,200,250,.22); --wash3:rgba(255,190,90,.16);
  --card:rgba(255,255,255,.72); --card-hi:rgba(255,255,255,.9); --stroke:rgba(0,0,0,.06); --stroke-hi:rgba(0,0,0,.10);
  --text:#1c1c1e; --text2:rgba(60,60,67,.66); --text3:rgba(60,60,67,.42);
  --sheet:rgba(250,250,252,.86); --chip:rgba(0,0,0,.05);
  --shadow:0 1px 2px rgba(0,0,0,.04), 0 12px 32px -14px rgba(30,40,80,.22);
  color-scheme:light;
}}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;min-height:100%;background:var(--bg);color:var(--text);font-family:var(--font);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
body{min-height:100vh;min-height:100dvh;overflow-x:hidden;letter-spacing:-.01em}
body::before{content:"";position:fixed;inset:-20vmax;z-index:-1;pointer-events:none;
  background:radial-gradient(40vmax 34vmax at 12% 6%,var(--wash1),transparent 70%),
             radial-gradient(42vmax 36vmax at 92% 18%,var(--wash2),transparent 70%),
             radial-gradient(50vmax 40vmax at 60% 105%,var(--wash3),transparent 70%),
             linear-gradient(180deg,var(--bg2),var(--bg));}
button{font:inherit;color:inherit;border:0;background:none;padding:0;cursor:pointer}
svg{display:block}
.glass{background:var(--card);border:1px solid var(--stroke);-webkit-backdrop-filter:blur(24px) saturate(170%);backdrop-filter:blur(24px) saturate(170%);box-shadow:var(--shadow)}

/* ---------- top bar ---------- */
.top{position:sticky;top:0;z-index:20;padding:calc(env(safe-area-inset-top) + 10px) max(18px,env(safe-area-inset-right)) 10px max(18px,env(safe-area-inset-left));
  display:flex;align-items:center;gap:12px;transition:background .3s var(--ease),border-color .3s}
.top.scrolled{background:color-mix(in srgb,var(--bg) 62%,transparent);-webkit-backdrop-filter:blur(22px) saturate(180%);backdrop-filter:blur(22px) saturate(180%);border-bottom:.5px solid var(--stroke)}
.top .mini{font-weight:650;font-size:17px;opacity:0;transform:translateY(4px);transition:.25s var(--ease)}
.top.scrolled .mini{opacity:1;transform:none}
.top .spacer{flex:1}
.live{display:flex;align-items:center;gap:7px;font-size:13px;color:var(--text2);font-variant-numeric:tabular-nums;padding:7px 12px;border-radius:99px;background:var(--chip)}
.dot{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 0 0 rgba(48,209,88,.6);animation:pulse 2.4s infinite}
.live.warn .dot{background:var(--orange);animation:none}.live.bad .dot{background:var(--red);animation:none}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(48,209,88,.55)}70%{box-shadow:0 0 0 7px rgba(48,209,88,0)}100%{box-shadow:0 0 0 0 rgba(48,209,88,0)}}
.avatar{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;font-weight:650;font-size:14px;color:#fff;background:linear-gradient(135deg,#5e5ce6,#0a84ff);box-shadow:0 4px 14px -4px rgba(10,132,255,.6)}

main{max-width:1180px;margin:0 auto;padding:0 max(18px,env(safe-area-inset-right)) calc(40px + env(safe-area-inset-bottom)) max(18px,env(safe-area-inset-left))}
.hero{padding:6px 2px 4px}
.eyebrow{font-size:13px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--text3)}
h1{font-family:var(--display);font-size:34px;line-height:1.1;font-weight:700;letter-spacing:-.025em;margin:4px 0 0}
.sub{color:var(--text2);font-size:15px;margin-top:6px}

/* summary stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:18px 0 6px}
.stat{border-radius:18px;padding:12px 14px 13px;min-width:0}
.stat .k{font-size:12px;font-weight:600;color:var(--text2);display:flex;align-items:center;gap:6px;white-space:nowrap}
.stat .k svg{width:14px;height:14px}
.stat .v{font-family:var(--round);font-size:24px;font-weight:650;margin-top:6px;letter-spacing:-.02em;font-variant-numeric:tabular-nums;white-space:nowrap}
.stat .v small{font-size:14px;color:var(--text2);font-weight:550;margin-left:3px}
.stat.amber .k svg{color:var(--amber)}.stat.blue .k svg{color:var(--teal)}.stat.heat .k svg{color:var(--heat)}.stat.green .k svg{color:var(--green)}

/* quick actions */
.section-h{display:flex;align-items:baseline;justify-content:space-between;margin:26px 2px 12px}
.section-h h2{font-family:var(--display);font-size:22px;font-weight:700;letter-spacing:-.02em;margin:0;display:flex;align-items:center;gap:10px}
.section-h .meta{font-size:13px;color:var(--text2);font-variant-numeric:tabular-nums}
.quick{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.qa{border-radius:18px;padding:14px;text-align:left;display:flex;flex-direction:column;gap:12px;min-height:94px;position:relative;overflow:hidden;transition:transform .2s var(--ease),background .25s}
.qa:active{transform:scale(.97)}
.qa .ic{width:34px;height:34px;border-radius:11px;display:grid;place-items:center}
.qa .ic svg{width:19px;height:19px}
.qa .t{font-size:14px;font-weight:600;line-height:1.2}
.qa .t small{display:block;font-size:12px;color:var(--text2);font-weight:500;margin-top:2px}
.qa.c-amber .ic{background:rgba(255,179,64,.18);color:var(--amber)}
.qa.c-blue .ic{background:rgba(100,210,255,.16);color:var(--teal)}
.qa.c-indigo .ic{background:rgba(94,92,230,.22);color:#a5a4ff}
.qa.c-heat .ic{background:rgba(255,107,61,.18);color:var(--heat)}
.qa.confirm{background:rgba(255,69,58,.16);border-color:rgba(255,69,58,.4)}
.qa.confirm .t small{color:var(--red);font-weight:600}
.qa.busy{opacity:.7;pointer-events:none}
.qa .bar{position:absolute;left:0;bottom:0;height:3px;background:var(--red);width:100%;transform-origin:left;animation:shrink 3s linear forwards}
@keyframes shrink{to{transform:scaleX(0)}}

/* room chips */
.chips{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;margin:22px -18px 0;padding:2px 18px;scroll-snap-type:x proximity}
.chips::-webkit-scrollbar{display:none}
.chip{flex:none;padding:8px 14px;border-radius:99px;background:var(--chip);font-size:14px;font-weight:550;color:var(--text2);transition:.2s var(--ease);scroll-snap-align:start}
.chip.on{background:var(--text);color:var(--bg)}

/* rooms */
.room{scroll-margin-top:calc(env(safe-area-inset-top) + 70px)}
.room .ricon{width:30px;height:30px;border-radius:10px;display:grid;place-items:center;background:var(--chip);color:var(--text2)}
.room .ricon svg{width:17px;height:17px}
.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
@media(min-width:620px){.grid{grid-template-columns:repeat(3,minmax(0,1fr))}.stats{gap:12px}}
@media(min-width:900px){.grid{grid-template-columns:repeat(4,minmax(0,1fr))}h1{font-size:40px}}
@media(min-width:1100px){.grid{grid-template-columns:repeat(5,minmax(0,1fr))}}
@media(max-width:560px){.stats{grid-template-columns:repeat(2,1fr)}.quick{grid-template-columns:repeat(2,1fr)}}

.tile{position:relative;border-radius:var(--r);padding:14px 14px 13px;min-height:128px;text-align:left;display:flex;flex-direction:column;justify-content:space-between;
  transition:transform .28s var(--spring),background .35s var(--ease),box-shadow .35s var(--ease),color .3s;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none;overflow:hidden;isolation:isolate}
.tile:active{transform:scale(.965)}
.tile .ti{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;background:var(--chip);color:var(--text2);transition:.35s var(--ease)}
.tile .ti svg{width:22px;height:22px}
.tile .nm{font-size:15px;font-weight:600;line-height:1.2;letter-spacing:-.015em;margin-top:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tile .es{font-size:11.5px;color:var(--text3);margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tile .st{font-size:13.5px;color:var(--text2);margin-top:3px;font-variant-numeric:tabular-nums;font-weight:500}
.tile .more{position:absolute;top:10px;right:10px;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;color:var(--text3);transition:.2s}
.tile .more svg{width:16px;height:16px}
.tile .more:active{background:var(--chip)}
/* light on */
.tile.light.on{background:var(--on-light-bg);border-color:rgba(255,210,120,.6);color:var(--on-light-text);box-shadow:0 14px 34px -14px rgba(255,170,40,.55),0 0 0 .5px rgba(255,200,100,.5) inset}
.tile.light.on .ti{background:#fff;color:var(--amber2);box-shadow:0 0 22px rgba(255,190,60,.7)}
.tile.light.on .es,.tile.light.on .st,.tile.light.on .more{color:var(--on-light-text2)}
/* shutter */
.tile.shutter .lvl{position:absolute;inset:0;z-index:-1;pointer-events:none}
.tile.shutter .lvl i{position:absolute;left:0;right:0;bottom:0;background:linear-gradient(180deg,rgba(100,210,255,.20),rgba(10,132,255,.10));transition:height .8s var(--ease)}
.tile.shutter.open .ti{background:rgba(100,210,255,.18);color:var(--teal)}
.tile.shutter .qbtns{position:absolute;right:10px;bottom:11px;display:flex;gap:6px}
.tile.shutter .qb{width:32px;height:32px;border-radius:50%;display:grid;place-items:center;background:var(--chip);color:var(--text);transition:transform .2s var(--spring),background .2s}
.tile.shutter .qb:active{transform:scale(.88);background:var(--stroke-hi)}
.tile.shutter .qb svg{width:15px;height:15px}
.tile.shutter .st{padding-right:76px}
/* pending/error */
.tile.pending .st::after{content:"";display:inline-block;width:11px;height:11px;margin-left:7px;vertical-align:-1px;border-radius:50%;border:2px solid currentColor;border-right-color:transparent;animation:spin .8s linear infinite;opacity:.8}
@keyframes spin{to{transform:rotate(360deg)}}
.tile.err{box-shadow:0 0 0 1.5px var(--red) inset,var(--shadow)}
.tile.err .st{color:var(--red)!important}
.tile.fault .badge{display:block}
.badge{display:none;position:absolute;top:12px;right:44px;font-size:10.5px;font-weight:700;letter-spacing:.04em;color:var(--orange);background:rgba(255,159,10,.15);padding:3px 7px;border-radius:99px}

/* heating */
.tile.heat{grid-column:span 2;min-height:148px;padding:16px 16px 14px}
.heat .row{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}
.heat .temp{font-family:var(--round);font-size:46px;line-height:1;font-weight:600;letter-spacing:-.04em;font-variant-numeric:tabular-nums;margin-top:4px}
.heat .temp sup{font-size:22px;vertical-align:top;position:relative;top:4px;margin-left:1px;font-weight:550;color:var(--text2)}
.heat .lbl{font-size:12px;font-weight:600;color:var(--text2);display:flex;align-items:center;gap:6px}
.heat .lbl svg{width:14px;height:14px}
.heat .hst{font-size:13.5px;color:var(--text2);margin-top:8px;font-weight:500;display:flex;align-items:center;gap:6px}
.heat.on{background:linear-gradient(150deg,rgba(255,107,61,.26),rgba(255,159,10,.10) 60%,var(--card));border-color:rgba(255,120,70,.35)}
.heat.on .lbl svg{color:var(--heat)}
.heat .ctl{display:flex;flex-direction:column;align-items:flex-end;gap:12px}
.stepper{display:flex;align-items:center;gap:4px;background:var(--chip);border-radius:99px;padding:4px}
.stepper button{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;transition:transform .2s var(--spring),background .2s}
.stepper button:active{transform:scale(.86);background:var(--stroke-hi)}
.stepper button svg{width:16px;height:16px}
.stepper .sv{min-width:62px;text-align:center;font-family:var(--round);font-size:19px;font-weight:650;font-variant-numeric:tabular-nums}
.heat:not(.on) .stepper .sv{color:var(--text3)}
.switch{width:51px;height:31px;border-radius:99px;background:rgba(120,120,128,.32);position:relative;transition:background .3s var(--ease);flex:none}
.switch::after{content:"";position:absolute;top:2px;left:2px;width:27px;height:27px;border-radius:50%;background:#fff;box-shadow:0 3px 8px rgba(0,0,0,.25),0 1px 1px rgba(0,0,0,.1);transition:transform .32s var(--spring)}
.switch.on{background:var(--heat)}.switch.on::after{transform:translateX(20px)}
.winbadge{font-size:11px;font-weight:650;color:var(--teal);background:rgba(100,210,255,.14);padding:3px 8px;border-radius:99px}

/* alarm chip */
.alarm{display:inline-flex;align-items:center;gap:6px;margin-top:12px;font-size:13px;color:var(--text2);padding:6px 11px 6px 9px;border-radius:99px;background:var(--chip)}
.alarm svg{width:14px;height:14px}
.alarm.armed{color:var(--green)}.alarm.alert{color:var(--red);background:rgba(255,69,58,.14)}

/* sheet */
.scrim{position:fixed;inset:0;z-index:40;background:rgba(0,0,0,.38);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);opacity:0;pointer-events:none;transition:opacity .3s var(--ease)}
.scrim.show{opacity:1;pointer-events:auto}
.sheet{position:fixed;z-index:41;left:0;right:0;bottom:0;margin:0 auto;max-width:440px;border-radius:30px 30px 0 0;padding:10px 22px calc(24px + env(safe-area-inset-bottom));
  background:var(--sheet);-webkit-backdrop-filter:blur(40px) saturate(180%);backdrop-filter:blur(40px) saturate(180%);border:1px solid var(--stroke);border-bottom:0;
  transform:translateY(105%);transition:transform .42s var(--ease);box-shadow:0 -20px 60px -20px rgba(0,0,0,.5)}
.sheet.show{transform:none}
@media(min-width:700px){.sheet{bottom:auto;top:50%;border-radius:30px;border-bottom:1px solid var(--stroke);padding-bottom:26px;transform:translateY(-46%) scale(.96);opacity:0;transition:transform .35s var(--ease),opacity .25s}.sheet.show{transform:translateY(-50%);opacity:1}}
.grab{width:38px;height:5px;border-radius:9px;background:var(--text3);margin:0 auto 14px;opacity:.6}
.sh-h{display:flex;align-items:center;justify-content:space-between}
.sh-h .t{font-size:20px;font-weight:700;letter-spacing:-.02em}
.sh-h .s{font-size:13px;color:var(--text2);margin-top:2px}
.close{width:32px;height:32px;border-radius:50%;background:var(--chip);display:grid;place-items:center;color:var(--text2)}
.close svg{width:14px;height:14px}
.sh-val{text-align:center;font-family:var(--round);font-size:44px;font-weight:650;letter-spacing:-.03em;margin:16px 0 4px;font-variant-numeric:tabular-nums}
.sh-val small{display:block;font-family:var(--font);font-size:13px;font-weight:500;color:var(--text2);letter-spacing:0;margin-top:2px}
.vslider{position:relative;width:132px;height:300px;margin:14px auto 18px;border-radius:38px;background:rgba(120,120,128,.24);overflow:hidden;touch-action:none;cursor:ns-resize;box-shadow:0 0 0 .5px var(--stroke-hi) inset}
.vslider .fill{position:absolute;left:0;right:0;bottom:0;background:linear-gradient(180deg,#fff,#f0f0f5);transition:height .18s var(--ease)}
.vslider.dragging .fill{transition:none}
.vslider.amber .fill{background:linear-gradient(180deg,#ffe2a3,#ffb340)}
.vslider.blue .fill{background:linear-gradient(180deg,#a8e6ff,#4fb8ff)}
.vslider .slats{position:absolute;inset:0;background:repeating-linear-gradient(180deg,transparent 0 22px,rgba(0,0,0,.06) 22px 24px);pointer-events:none}
.vslider .gl{position:absolute;left:50%;bottom:18px;transform:translateX(-50%);color:rgba(0,0,0,.45);pointer-events:none}
.vslider .gl svg{width:28px;height:28px}
.sh-btns{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.sh-btn{border-radius:16px;padding:12px 6px;background:var(--chip);font-size:14px;font-weight:600;display:flex;flex-direction:column;align-items:center;gap:6px;transition:transform .2s var(--spring)}
.sh-btn:active{transform:scale(.95)}
.sh-btn svg{width:20px;height:20px}
.presets{display:flex;gap:8px;justify-content:center;margin:0 0 14px}
.presets button{padding:7px 13px;border-radius:99px;background:var(--chip);font-size:13px;font-weight:600;color:var(--text2)}

/* toast */
.toast{position:fixed;z-index:60;left:50%;bottom:calc(22px + env(safe-area-inset-bottom));transform:translate(-50%,30px);opacity:0;padding:12px 18px;border-radius:16px;font-size:14px;font-weight:550;
  background:var(--sheet);-webkit-backdrop-filter:blur(30px);backdrop-filter:blur(30px);border:1px solid var(--stroke);box-shadow:0 12px 40px -10px rgba(0,0,0,.5);transition:.35s var(--ease);max-width:calc(100% - 36px);display:flex;gap:10px;align-items:center}
.toast.show{transform:translate(-50%,0);opacity:1}
.toast.bad::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--red);flex:none}
.toast.good::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--green);flex:none}

/* menu */
.menu{position:fixed;z-index:45;top:calc(env(safe-area-inset-top) + 58px);right:max(18px,env(safe-area-inset-right));min-width:220px;border-radius:18px;padding:6px;background:var(--sheet);-webkit-backdrop-filter:blur(40px);backdrop-filter:blur(40px);border:1px solid var(--stroke);box-shadow:0 20px 50px -14px rgba(0,0,0,.5);
  transform-origin:top right;transform:scale(.92);opacity:0;pointer-events:none;transition:.22s var(--ease)}
.menu.show{transform:none;opacity:1;pointer-events:auto}
.menu .who{padding:10px 12px 8px;font-size:13px;color:var(--text2)}
.menu .who b{display:block;color:var(--text);font-size:15px}
.menu button{width:100%;text-align:left;padding:11px 12px;border-radius:12px;font-size:15px;display:flex;gap:10px;align-items:center}
.menu button:hover{background:var(--chip)}
.menu button.danger{color:var(--red)}
.menu svg{width:17px;height:17px}

footer{text-align:center;color:var(--text3);font-size:12px;margin-top:34px}
.skeleton .tile,.skeleton .stat{animation:sk 1.4s ease-in-out infinite}
@keyframes sk{50%{opacity:.55}}
.banner{display:none;margin:14px 0 0;padding:12px 14px;border-radius:16px;background:rgba(255,159,10,.14);color:var(--orange);font-size:14px;font-weight:550}
.banner.show{display:block}
.fadein{animation:fi .5s var(--ease) both}
@keyframes fi{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* ---------- login ---------- */
.login-wrap{min-height:100vh;min-height:100dvh;display:grid;place-items:center;padding:calc(env(safe-area-inset-top) + 24px) 22px calc(env(safe-area-inset-bottom) + 24px)}
.login{width:100%;max-width:380px;border-radius:30px;padding:34px 26px 26px;text-align:center}
.login .logo{width:76px;height:76px;border-radius:20px;margin:0 auto 18px;box-shadow:0 14px 34px -10px rgba(10,132,255,.55)}
.login h1{font-size:28px;margin:0}
.login p{color:var(--text2);font-size:15px;margin:6px 0 26px}
.field{display:block;text-align:left;margin-bottom:12px}
.field input{width:100%;font:inherit;font-size:17px;color:var(--text);padding:15px 16px;border-radius:14px;border:1px solid var(--stroke);background:var(--chip);outline:none;transition:border-color .2s,box-shadow .2s;-webkit-appearance:none}
.field input::placeholder{color:var(--text3)}
.field input:focus{border-color:rgba(10,132,255,.7);box-shadow:0 0 0 4px rgba(10,132,255,.18)}
.remember{display:flex;align-items:center;justify-content:space-between;margin:16px 2px 22px;font-size:15px;color:var(--text2);cursor:pointer}
.remember .switch.on{background:var(--green)}
.primary{width:100%;padding:16px;border-radius:15px;font-size:17px;font-weight:650;color:#fff;background:linear-gradient(180deg,#2b95ff,#0a74ff);box-shadow:0 10px 24px -10px rgba(10,132,255,.8),0 1px 0 rgba(255,255,255,.25) inset;transition:transform .2s var(--spring),opacity .2s}
.primary:active{transform:scale(.98)}
.primary:disabled{opacity:.6}
.lerr{min-height:20px;color:var(--red);font-size:14px;margin-top:14px;font-weight:550}
.shake{animation:shake .45s var(--ease)}
@keyframes shake{20%{transform:translateX(-8px)}40%{transform:translateX(7px)}60%{transform:translateX(-5px)}80%{transform:translateX(3px)}}
.lfoot{margin-top:18px;font-size:12px;color:var(--text3);display:flex;align-items:center;justify-content:center;gap:6px}
.lfoot svg{width:12px;height:12px}

/* ---------- hero grid + floorplan ---------- */
:root{--wall:rgba(245,245,247,.92);--room:rgba(255,255,255,.028);--room-hi:rgba(255,255,255,.07);--wtrack:rgba(120,120,135,.55);--wopen:#64d2ff;--door:rgba(235,235,245,.35)}
@media (prefers-color-scheme:light){:root{--wall:#1c1c1e;--room:rgba(255,255,255,.55);--room-hi:rgba(255,255,255,.95);--wtrack:rgba(60,60,67,.28);--wopen:#0a84ff;--door:rgba(60,60,67,.35)}}
.hero-grid{display:grid;gap:14px;margin-top:18px}
.hero-grid .stats{margin-top:0}
.side .section-h{margin-top:22px}
@media(min-width:960px){.hero-grid{grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:22px;align-items:start}.side .stats{grid-template-columns:repeat(2,1fr)}.side .quick{grid-template-columns:repeat(2,1fr)}.side .qa{min-height:108px}.side .stat .v{font-size:30px}}
.plan-card{border-radius:28px;padding:16px 14px 14px;overflow:hidden}
.plan-h{display:flex;justify-content:space-between;align-items:baseline;padding:0 6px 6px}
.plan-h span:first-child{font-size:13px;font-weight:650;letter-spacing:.06em;text-transform:uppercase;color:var(--text3)}
.plan-hint{font-size:12.5px;color:var(--text3)}
.plan{position:relative;width:100%;max-width:560px;margin:0 auto}
.plan-svg{width:100%;height:auto;overflow:visible;font-family:var(--font)}
.proom{cursor:pointer;outline:none}
.proom .pbase{fill:var(--room);transition:fill .3s var(--ease)}
.proom:hover .pbase,.proom:focus-visible .pbase{fill:var(--room-hi)}
.proom:active .pbase{fill:var(--room-hi)}
.proom .pglow,.proom .pheat{transition:opacity .8s var(--ease);pointer-events:none}
.proom.terrace .pbase{fill:none;stroke:var(--door);stroke-width:2;stroke-dasharray:6 7;rx:14}
.walls line{stroke:var(--wall);stroke-width:7;stroke-linecap:round}
.doors .darc{fill:none;stroke:var(--door);stroke-width:1.6;stroke-dasharray:3 5}
.doors .dleaf{stroke:var(--door);stroke-width:3;stroke-linecap:round}
.doors .slide{stroke:var(--door);stroke-width:3.5;stroke-linecap:round}
.labels{pointer-events:none}
.pname{font-size:21px;font-weight:600;fill:var(--text2);letter-spacing:-.01em}
.proom.lit~* .pname{fill:var(--text)}
.ptemp{font-family:var(--round);font-size:32px;font-weight:650;fill:var(--text);letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.ptemp.small{font-size:18px;font-weight:600;fill:var(--text3);font-family:var(--font);letter-spacing:0}
.ptemp.hot{fill:#ff8a5c}
.pent{font-size:13px;font-weight:700;letter-spacing:.18em;fill:var(--text3)}
.ldot{fill:var(--wtrack);transition:fill .4s var(--ease)}
.ldot.on{fill:#ffc35a;filter:drop-shadow(0 0 6px rgba(255,180,60,.95))}
.pwin{cursor:pointer}
.pwin .wtrack{stroke:var(--wtrack);stroke-width:12;stroke-linecap:round}
.pwin .wfill{stroke:var(--wopen);stroke-width:12;stroke-linecap:round;filter:drop-shadow(0 0 5px rgba(100,210,255,.75));transition:all .9s var(--ease)}
.pwin.closed .wfill{opacity:0}
.pwin .whit{stroke:transparent;stroke-width:44;stroke-linecap:round}
.pwin .wlab{font-size:15px;font-weight:650;fill:var(--text2);font-variant-numeric:tabular-nums;pointer-events:none}
.pwin.moving .wtrack{animation:wpulse 1.1s ease-in-out infinite}
@keyframes wpulse{50%{stroke:var(--wopen);opacity:.5}}
.pwin:hover .wtrack{stroke:var(--text3)}
.legend{display:flex;justify-content:center;gap:16px;font-size:12px;color:var(--text3);padding-top:6px}
.legend span{display:flex;align-items:center;gap:6px}
.legend i{display:inline-block;width:9px;height:9px;border-radius:50%}
.lg-light{background:#ffc35a;box-shadow:0 0 6px rgba(255,180,60,.9)}.lg-open{background:var(--wopen);border-radius:3px!important;width:14px!important;height:5px!important}.lg-heat{background:#ff6b3d}
.sheet{max-height:88vh;max-height:88dvh;overflow-y:auto;overscroll-behavior:contain}
.sheet-grid{margin-top:16px;grid-template-columns:repeat(2,minmax(0,1fr))!important}
.sheet .tile{min-height:118px}
/* shutter visuals: the slatted curtain comes DOWN from the top as it closes; value shown = % open */
.tile.shutter .lvl i{top:0;bottom:auto;background:repeating-linear-gradient(180deg,rgba(150,160,185,.20) 0 9px,rgba(150,160,185,.10) 9px 11px);border-bottom:2px solid rgba(160,170,195,.35);transition:height .9s var(--ease)}
.tile.shutter.open .lvl::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(100,210,255,.10),rgba(10,132,255,.04));z-index:-1}
@media (prefers-color-scheme:light){.tile.shutter .lvl i{background:repeating-linear-gradient(180deg,rgba(60,70,95,.10) 0 9px,rgba(60,70,95,.05) 9px 11px);border-bottom-color:rgba(60,70,95,.2)}}
.vslider.shut{background:transparent}
.vslider.shut .sky{position:absolute;inset:0;background:linear-gradient(180deg,#8fd8ff 0%,#4aa8ff 55%,#2f7fe0 100%)}
.vslider.shut .fill{top:0;bottom:auto;background:linear-gradient(180deg,#d9dce4,#b8bcc8);box-shadow:0 6px 14px rgba(0,0,0,.25)}
.vslider.shut .slats{position:absolute;inset:0;background:repeating-linear-gradient(180deg,transparent 0 20px,rgba(0,0,0,.10) 20px 22px)}
.vslider.shut .lip{position:absolute;left:0;right:0;bottom:0;height:7px;background:#9ea3b0;border-top:1px solid rgba(255,255,255,.5)}
.tc-heat{color:var(--heat)}.tc-red{color:var(--red)}.tc-teal{color:var(--teal)}
/* ---------- iteration 2 polish ---------- */
html{background:var(--bg)}
body{background:transparent}
.pname{font-size:25px}
.ptemp{font-size:40px}
.ptemp.small{font-size:20px}
.pwin .wlab{font-size:19px;font-weight:700}
.pent{font-size:15px}
.ldot{r:7}
/* shutter tiles: quick buttons top-right, status never wraps */
.tile.shutter .qbtns{top:12px;bottom:auto;right:12px}
.tile.shutter .st{padding-right:0;white-space:nowrap}
.tile.shutter .badge{right:90px}
/* heating badge */
.hbadge{display:inline-flex;align-items:center;gap:5px;font-size:12.5px;font-weight:650;padding:4px 9px 4px 7px;border-radius:99px;background:var(--chip);color:var(--text2);white-space:nowrap}
.hbadge svg{width:13px;height:13px}
.hbadge.frost{background:rgba(100,210,255,.14);color:var(--teal)}
.hbadge.heating{background:rgba(255,107,61,.16);color:#ff8a5c}
.hbadge.holding{background:rgba(48,209,88,.14);color:var(--green)}
.heat .hst{margin-top:10px;flex-wrap:wrap}
/* climate card */
.climate{border-radius:22px;padding:14px 14px 6px}
.clim-h{display:flex;align-items:center;justify-content:space-between;padding:2px 2px 10px;border-bottom:.5px solid var(--stroke)}
.clim-t{font-size:16px;font-weight:650}
.clim-s{font-size:13px;color:var(--text2);margin-top:2px}
.power{display:flex;align-items:center;gap:8px;padding:8px 14px 8px 8px;border-radius:99px;background:var(--chip);font-size:14px;font-weight:650;transition:background .25s,transform .2s var(--spring)}
.power:active{transform:scale(.95)}
.power .pw-ic{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:rgba(120,120,128,.3);color:var(--text2);transition:.25s}
.power .pw-ic svg{width:16px;height:16px}
.power.on .pw-ic{background:var(--heat);color:#fff;box-shadow:0 0 14px rgba(255,107,61,.6)}
.power.confirm{background:rgba(255,69,58,.18);color:var(--red)}
.zrow{width:100%;display:flex;align-items:center;gap:10px;padding:12px 2px;text-align:left;border-bottom:.5px solid var(--stroke)}
.zrow:last-child{border-bottom:0}
.zrow .zn{flex:1;font-size:15px;font-weight:600;min-width:0}
.zrow .zn small{display:block;font-size:12px;color:var(--text3);font-weight:500;margin-top:1px}
.zrow .zt{font-family:var(--round);font-size:20px;font-weight:650;font-variant-numeric:tabular-nums;min-width:58px;text-align:right}
.zrow.on .zt{color:#ff8a5c}

/* ---------- QA fixes ---------- */
/* a closed sheet must never catch clicks: on desktop it sat invisible (opacity 0) over the page centre,
   still holding the last room's tiles, so taps went to those hidden tiles */
.sheet{visibility:hidden;pointer-events:none}
.sheet.show{visibility:visible;pointer-events:auto}
@media(prefers-reduced-motion:no-preference){.sheet:not(.show){transition:transform .35s var(--ease),opacity .25s,visibility 0s linear .42s}}
.toast{pointer-events:none}
.heat .sv.preview{opacity:.45}
/* floorplan: the terrace is drawn with fill:none, which made only its dashed outline tappable */
.proom .pbase{pointer-events:all}
/* window hit-lines: butt caps so neighbouring windows' tap areas don't overlap */
.pwin .whit{stroke-linecap:butt}