:root{color-scheme:dark;--bg: #000;--surface: rgb(255 255 255 / .035);--surface-hover: rgb(255 255 255 / .06);--ink: #f4f4f5;--ink-soft: #c7c7cc;--muted: #8e8e93;--line: rgb(255 255 255 / .1);--line-strong: rgb(255 255 255 / .22);--danger: #ff6b6b;--electricity: #ffd166;--gas: #ff8f6b;--water: #6cc7ff;--heat: #c9a2ff;--radius-s: 6px;--radius-m: 12px;font-family:Segoe UI Variable Text,Segoe UI,system-ui,-apple-system,Helvetica Neue,Roboto,sans-serif;font-size:15px;line-height:1.5;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;font-feature-settings:"tnum" 1}.auth-page{min-height:100vh;display:grid;place-items:center;padding:2rem}.auth-panel{width:min(100%,28rem);display:flex;flex-direction:column;align-items:flex-start;gap:1.5rem}.auth-panel .wordmark{margin-bottom:2rem}.google-sign-in{width:100%}.auth-help{font-size:.85rem}.auth-mode-note{padding:.5rem 1rem;text-align:center;font-size:.8rem;border-bottom:1px solid var(--line);color:var(--muted)}.sign-out{display:flex;flex-direction:column;gap:.5rem}*,*:before,*:after{box-sizing:border-box}body{margin:0;min-height:100vh;background:var(--bg)}::selection{background:var(--ink);color:var(--bg)}:focus-visible{outline:2px solid var(--ink);outline-offset:3px;border-radius:var(--radius-s)}h1,h2{margin:0;font-family:Segoe UI Variable Display,Segoe UI,system-ui,-apple-system,sans-serif;font-weight:600;letter-spacing:-.02em;line-height:1.1}h1{font-size:clamp(1.9rem,4vw,2.6rem)}h2{font-size:1.05rem;letter-spacing:-.01em}p{margin:0}.muted{color:var(--muted)}.topbar{position:sticky;top:0;z-index:10;display:flex;align-items:center;gap:2.5rem;height:4rem;padding:0 clamp(1rem,4vw,2.5rem);background:#000000c7;-webkit-backdrop-filter:saturate(140%) blur(14px);backdrop-filter:saturate(140%) blur(14px);border-bottom:1px solid var(--line)}.wordmark{font-family:Segoe UI Variable Display,Segoe UI,system-ui,sans-serif;font-size:1.35rem;font-weight:700;letter-spacing:-.03em;color:var(--ink);text-decoration:none}.topbar nav{display:flex;gap:.25rem;flex:1;align-self:stretch}.topbar nav a{position:relative;display:flex;align-items:center;padding:0 .75rem;color:var(--muted);text-decoration:none;transition:color .12s ease}.topbar nav a:hover{color:var(--ink)}.topbar nav a.active{color:var(--ink)}.topbar nav a.active:after{content:"";position:absolute;left:.75rem;right:.75rem;bottom:-1px;height:2px;background:var(--ink)}.tenant{display:flex;align-items:center;gap:.6rem;max-width:22rem;font-size:.875rem;color:var(--ink-soft);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.tenant-mark{display:grid;place-items:center;flex:none;width:1.75rem;height:1.75rem;border:1px solid var(--line-strong);border-radius:50%;font-size:.75rem;font-weight:600;color:var(--ink)}main{max-width:72rem;margin:0 auto;padding:clamp(2rem,5vw,3.5rem) clamp(1rem,4vw,2.5rem) 5rem}.page-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:1rem 2rem;margin-bottom:2.5rem}.page-head p{margin-top:.6rem;max-width:40rem}.status{padding:2rem 0;color:var(--muted)}[role=alert]{color:var(--danger)}.register{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.4fr);border:1px solid var(--line);border-radius:var(--radius-m);overflow:hidden}.register-total{display:flex;flex-direction:column;justify-content:space-between;gap:2rem;padding:1.75rem;border-right:1px solid var(--line)}.register-total strong{font-family:Segoe UI Variable Display,Segoe UI,system-ui,sans-serif;font-size:clamp(4rem,10vw,7rem);font-weight:300;letter-spacing:-.05em;line-height:.9}.register-total a{color:var(--ink);font-size:.9rem;text-underline-offset:4px;text-decoration-color:var(--line-strong)}.register-total a:hover{text-decoration-color:var(--ink)}.register-mix{display:flex;flex-direction:column;gap:1.5rem;padding:1.75rem}.mix-bar{display:flex;gap:3px;height:.6rem}.mix-bar span{border-radius:2px}.mix-bar .empty{flex:1;background:var(--line)}.mix-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1.25rem 1.5rem;margin:0;padding:0;list-style:none}.mix-list li{display:flex;flex-direction:column;gap:.15rem}.mix-list .count{font-size:1.6rem;font-weight:300;letter-spacing:-.02em}.mix-list li.zero .count,.mix-list li.zero .utility{color:var(--muted)}.utility{display:inline-flex;align-items:center;gap:.5rem;color:var(--ink-soft);text-transform:capitalize}.utility:before{content:"";width:.55rem;height:.55rem;border-radius:50%;background:var(--utility-colour, var(--muted));box-shadow:0 0 10px var(--utility-colour, transparent)}.u-electricity{--utility-colour: var(--electricity)}.u-gas{--utility-colour: var(--gas)}.u-water{--utility-colour: var(--water)}.u-heat{--utility-colour: var(--heat)}.li-zero .utility:before,.zero .utility:before{box-shadow:none;opacity:.4}.panel{margin-bottom:2.5rem;padding:1.5rem;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-m)}.panel h2{margin-bottom:1.25rem}.form{display:grid;grid-template-columns:1.4fr 1fr 1fr .7fr auto;align-items:end;gap:1rem}.field{display:flex;flex-direction:column;gap:.4rem;min-width:0}.field label{font-size:.8rem;color:var(--muted)}input,select{width:100%;height:2.5rem;padding:0 .8rem;font:inherit;color:var(--ink);background:var(--bg);border:1px solid var(--line-strong);border-radius:var(--radius-s);transition:border-color .12s ease}input::placeholder{color:#5c5c61}input:hover,select:hover{border-color:#ffffff59}input:focus-visible,select:focus-visible{outline:none;border-color:var(--ink);box-shadow:0 0 0 3px #ffffff1f}select{appearance:none;padding-right:2.2rem;text-transform:capitalize;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(-45deg,transparent 50%,var(--muted) 50%);background-position:right 1.05rem center,right .75rem center;background-size:.3rem .3rem;background-repeat:no-repeat}button{height:2.5rem;padding:0 1.25rem;font:inherit;font-weight:600;color:var(--bg);background:var(--ink);border:1px solid var(--ink);border-radius:var(--radius-s);cursor:pointer;white-space:nowrap;transition:background .12s ease,transform 80ms ease}button:hover{background:#fff}button:active{transform:translateY(1px)}button:disabled{opacity:.5;cursor:progress}.form-error{margin-top:1rem;font-size:.9rem}.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius-m)}table{width:100%;border-collapse:collapse;font-size:.95rem}th,td{padding:.95rem 1.25rem;text-align:left;white-space:nowrap}th{font-size:.8rem;font-weight:500;color:var(--muted);background:var(--surface);border-bottom:1px solid var(--line)}tbody tr+tr td{border-top:1px solid var(--line)}tbody tr{transition:background .12s ease}tbody tr:hover{background:var(--surface-hover)}td.name{font-weight:500}td.identifier{font-variant-numeric:tabular-nums slashed-zero;letter-spacing:.02em;color:var(--ink-soft)}td.num,th.num{text-align:right}.empty-state{padding:3rem 1.5rem;text-align:center;color:var(--muted);border:1px dashed var(--line-strong);border-radius:var(--radius-m)}.empty-state strong{display:block;margin-bottom:.35rem;color:var(--ink);font-weight:600}@media(max-width:860px){.form{grid-template-columns:1fr 1fr}.form button{grid-column:1 / -1}}@media(max-width:720px){.topbar{gap:1rem}.tenant-name{display:none}.register{grid-template-columns:1fr}.register-total{border-right:0;border-bottom:1px solid var(--line)}}@media(max-width:480px){.form{grid-template-columns:1fr}.topbar nav a{padding:0 .5rem}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}