:root{--bg:#0b1118;--bg2:#111a24;--glass:rgba(255,255,255,.06);--line:rgba(255,255,255,.12);--txt:#e8eef5;--mut:#8a9bb0;--em:#2fd39a;--em2:rgba(47,211,154,.35);--warn:#f5a524;--red:#ef5b5b;--blue:#5ab0ff}
*{box-sizing:border-box}html,body{margin:0;background:radial-gradient(1200px 600px at 10% -10%,#16304a 0,transparent 60%),var(--bg);color:var(--txt);font:15px/1.45 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;min-height:100vh}
a{color:inherit;text-decoration:none}.muted{color:var(--mut)}.small{font-size:12px}
.glass{background:var(--glass);border:1px solid var(--line);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}
.btn{background:rgba(255,255,255,.08);border:1px solid var(--line);color:var(--txt);border-radius:10px;padding:8px 12px;cursor:pointer;font:inherit}
.btn:hover{background:rgba(255,255,255,.14)}.btn.primary{background:var(--em);color:#04150e;border-color:var(--em);font-weight:600}
.btn.danger{background:rgba(239,91,91,.16);border-color:rgba(239,91,91,.5);color:#ffd5d5;font-weight:600}.btn.active{background:var(--em2);border-color:var(--em)}
/* Login Split Layout (unobstructed hero image) */
.login-gate{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:28px}
.login-split{display:grid;grid-template-columns:minmax(0,1.65fr) minmax(340px,420px);gap:24px;width:min(1340px,100%);align-items:stretch}
.login-showcase{position:relative;border-radius:22px;overflow:hidden;border:1px solid rgba(47,211,154,.28);background:#070d14;box-shadow:0 24px 64px rgba(0,0,0,.55);display:flex;flex-direction:column;justify-content:space-between}
.login-hero-img{display:block;width:100%;height:100%;max-height:76vh;object-fit:cover;object-position:center;filter: contrast(1.04) saturate(1.06)}
.login-showcase-caption{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:12px 18px;background:rgba(8,14,22,.88);border-top:1px solid var(--line)}
.login-card{border-radius:22px;padding:32px 28px;display:flex;flex-direction:column;justify-content:center;box-shadow:0 24px 64px rgba(0,0,0,.5)}
.login-badge{display:inline-block;align-self:flex-start;font-size:10.5px;font-weight:700;letter-spacing:.08em;color:var(--em);background:rgba(47,211,154,.12);border:1px solid var(--em2);padding:4px 10px;border-radius:99px;margin-bottom:12px}
.brand-lg{font-size:30px;font-weight:750;margin-bottom:6px;text-align:left}
.login-sub{margin:0 0 18px;text-align:left;line-height:1.5}
.divider{display:flex;align-items:center;gap:10px;color:var(--mut);margin:14px 0}.divider:before,.divider:after{content:"";flex:1;height:1px;background:var(--line)}
.owner-form{display:flex;gap:8px}.owner-form input{flex:1;background:rgba(0,0,0,.35);border:1px solid var(--line);border-radius:10px;padding:10px 12px;color:var(--txt);font:inherit}
.login-msg{min-height:20px;margin-top:10px;font-size:13px;color:var(--warn)}
.login-features{margin-top:20px;padding-top:16px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:9px;font-size:12.5px;color:var(--mut);text-align:left}
.login-features div{display:flex;align-items:center;gap:8px}.login-features b{color:var(--txt);font-weight:600}
/* Shell */
.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:10px;padding:10px 18px;border-width:0 0 1px}
.brand{font-weight:700;font-size:17px}.spacer{flex:1}
.pill{font-size:12px;padding:4px 10px;border-radius:99px;border:1px solid var(--em2);color:var(--em);background:rgba(47,211,154,.08)}
main{max-width:1280px;margin:0 auto;padding:20px}
.foot{text-align:center;padding:20px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(380px,1fr));gap:16px}
/* Sections */
.section{border-radius:16px;padding:16px;position:relative;transition:opacity .2s,border-color .2s}
.section-head{display:flex;align-items:center;gap:10px;cursor:pointer;margin-bottom:10px}
.section-head h2{margin:0;font-size:18px}.section-head .src{font-size:12px;color:var(--mut)}
.badge{margin-left:auto;font-size:10.5px;font-weight:700;letter-spacing:.06em;padding:3px 8px;border-radius:6px;white-space:nowrap}
.section-live,.widget-live{opacity:1;border-color:var(--em2);box-shadow:0 0 0 1px rgba(47,211,154,.18),0 0 24px rgba(47,211,154,.12)}
.section-live .badge{background:rgba(47,211,154,.15);color:var(--em);border:1px solid var(--em2)}
.section-demo,.widget-demo{opacity:.56;border-color:rgba(255,255,255,.07);filter:saturate(.45)}
.section-demo:hover,.widget-demo:hover{opacity:.88}
.section-demo .badge{background:rgba(255,255,255,.07);color:var(--mut);border:1px dashed rgba(255,255,255,.2)}
.widgets{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:10px}
.widget{border-radius:12px;padding:10px 12px;background:rgba(0,0,0,.22);border:1px solid var(--line)}
.widget .lbl{font-size:12px;color:var(--mut)}.widget .val{font-size:20px;font-weight:650;margin:2px 0}.widget .unit{font-size:12px;color:var(--mut);margin-left:3px}
.widget .sub{font-size:11px;color:var(--mut)}
.sparkline-svg{display:block;width:100%;height:34px;margin-top:4px}
.more{margin-top:12px;display:inline-block;font-size:13px;color:var(--blue);cursor:pointer;background:none;border:0;padding:0}
.cadence{margin-top:16px;border-radius:16px;padding:16px}.cadence table{width:100%;border-collapse:collapse;font-size:13px}
.cadence td,.cadence th{padding:6px 8px;border-bottom:1px solid var(--line);text-align:left}
/* Detail */
.detail-view{display:flex;flex-direction:column;gap:16px}
.detail-top{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.detail-top h1{margin:0;font-size:24px}
.panel{border-radius:16px;padding:16px}.panel h3{margin:0 0 10px;font-size:15px}
.chart-svg{width:100%;height:180px;display:block}
.raw-table{width:100%;border-collapse:collapse;font-size:12.5px}.raw-table td{padding:4px 6px;border-bottom:1px solid var(--line)}
/* Floorplan */
.floorplan-stage{position:relative;border-radius:14px;overflow:hidden;background:#fff;user-select:none;touch-action:none;max-width:1100px;margin:0 auto}
.floorplan-stage img{display:block;width:100%;height:auto;transform:perspective(1400px) rotateX(8deg) scale(.98);transform-origin:center bottom;pointer-events:none}
.fp-pin{position:absolute;transform:translate(-50%,-50%);background:rgba(11,17,24,.88);color:var(--txt);border:1px solid var(--em2);border-radius:10px;padding:5px 8px;font-size:11.5px;line-height:1.3;min-width:96px;box-shadow:0 6px 18px rgba(0,0,0,.45);z-index:3}
.fp-pin b{display:flex;align-items:center;gap:6px;font-size:12px}
.fp-pin .dot{width:8px;height:8px;border-radius:50%;background:#55606d;flex:none}.fp-pin.heating .dot{background:var(--warn);box-shadow:0 0 8px var(--warn)}
.fp-pin.off{opacity:.35;border-style:dashed}
.floorplan-stage.editing .fp-pin{cursor:grab;border-color:var(--blue);outline:2px dashed rgba(90,176,255,.5)}
.floorplan-stage.editing .fp-pin.dragging{cursor:grabbing;z-index:5}
.fp-toolbar{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:10px}
.fp-rooms{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}.fp-rooms label{font-size:12px;background:rgba(0,0,0,.25);border:1px solid var(--line);border-radius:8px;padding:4px 8px;cursor:pointer}
.sensor-table{width:100%;border-collapse:collapse;font-size:13px}.sensor-table th,.sensor-table td{padding:6px 8px;border-bottom:1px solid var(--line);text-align:left}
@media (max-width:920px){.login-split{grid-template-columns:1fr}.login-gate{padding:16px}}
@media (max-width:600px){.grid{grid-template-columns:1fr}.topbar{flex-wrap:wrap}.fp-pin{min-width:70px;font-size:9.5px;padding:3px 5px}}
.google-btn{width:100%;margin:4px 0;background:#fff;color:#1f1f1f;font-weight:600;padding:11px;display:flex;align-items:center;justify-content:center;gap:10px}.google-btn:hover{background:#f1f3f4}.google-btn .g{font-weight:800;color:#4285f4}
.modal-backdrop{position:fixed;inset:0;z-index:60;background:rgba(4,9,15,.76);backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;padding:18px}
.modal-card{width:min(760px,100%);border-radius:18px;padding:20px;background:rgba(14,22,34,.96);border:1px solid var(--em2);box-shadow:0 24px 64px rgba(0,0,0,.65)}
.modal-input{width:100%;margin-top:4px;padding:9px 12px;border-radius:10px;border:1px solid rgba(255,255,255,.15);background:rgba(15,23,42,.85);color:#fff;font:inherit}