:root{--bg:#f3f4ef;--card:#fff;--ink:#152019;--muted:#68736c;--line:#dfe4df;--good:#1e7a4d;--warn:#a86800;--bad:#a6382d;--dark:#101512;--accent:#e7f2e8}
*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--ink)}button,input,select,textarea{font:inherit}.app-shell{max-width:720px;margin:auto;min-height:100vh;padding-bottom:88px}.topbar{position:sticky;top:0;z-index:10;display:flex;justify-content:space-between;align-items:center;padding:18px 18px 12px;background:rgba(243,244,239,.95);backdrop-filter:blur(12px)}.eyebrow{font-size:11px;letter-spacing:.13em;font-weight:800;color:var(--muted)}h1{margin:2px 0 0;font-size:28px}.icon-btn{border:0;background:var(--dark);color:white;border-radius:50%;width:42px;height:42px;font-size:25px}.section{padding:0 16px 16px}.hero{background:var(--dark);color:white;border-radius:22px;padding:18px;margin-bottom:14px}.hero .date{opacity:.72;font-size:13px}.hero h2{margin:6px 0 4px;font-size:24px}.hero .sub{opacity:.78}.progress{height:8px;background:#334038;border-radius:8px;margin-top:16px;overflow:hidden}.progress>div{height:100%;background:#9dd59f}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px}.card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:15px;box-shadow:0 1px 1px rgba(0,0,0,.02)}.card h3{margin:0 0 6px;font-size:16px}.card p{margin:0;color:var(--muted);font-size:13px}.check-card{display:flex;gap:12px;align-items:center;cursor:pointer}.status-dot{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:#eef1ed}.done .status-dot{background:#dff2e6;color:var(--good)}.warning .status-dot{background:#fff0cf;color:var(--warn)}.section-title{display:flex;justify-content:space-between;align-items:center;margin:4px 2px 10px}.section-title h2{font-size:17px;margin:0}.link{border:0;background:none;color:var(--good);font-weight:700}.quick-row{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.quick-row button{border:1px solid var(--line);background:white;border-radius:16px;padding:13px 6px;font-size:12px}.quick-row span{display:block;font-size:20px;margin-bottom:5px}.bottom-nav{position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:min(720px,100%);display:grid;grid-template-columns:repeat(5,1fr);background:#fff;border-top:1px solid var(--line);padding:8px 6px calc(8px + env(safe-area-inset-bottom));z-index:20}.bottom-nav button{border:0;background:none;color:#7b857f;font-size:11px;font-weight:700}.bottom-nav button span{display:block;font-size:19px;margin-bottom:2px}.bottom-nav button.active{color:var(--ink)}.modal{position:fixed;inset:0;background:rgba(0,0,0,.42);z-index:40;display:flex;align-items:flex-end;justify-content:center}.modal.hidden{display:none}.sheet{background:white;width:min(720px,100%);max-height:88vh;overflow:auto;border-radius:24px 24px 0 0;padding:18px 18px calc(22px + env(safe-area-inset-bottom))}.sheet-head{display:flex;justify-content:space-between;align-items:center;position:sticky;top:-18px;background:white;padding:6px 0 12px}.sheet-head h2{margin:0}.sheet-head button{border:0;background:#eef1ed;border-radius:50%;width:34px;height:34px;font-size:22px}.quick-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.quick-grid button{min-height:100px;border:1px solid var(--line);background:white;border-radius:18px;font-size:26px}.quick-grid b{display:block;font-size:14px;margin-top:6px}.danger-lite{background:#fff3f1!important}.field{margin:12px 0}.field label{display:block;font-size:12px;font-weight:800;margin-bottom:6px}.field input,.field select,.field textarea{width:100%;border:1px solid #ccd3ce;border-radius:12px;padding:12px;background:white}.field textarea{min-height:85px}.primary,.secondary,.danger{width:100%;border:0;border-radius:14px;padding:14px;font-weight:800;margin-top:8px}.primary{background:var(--dark);color:white}.secondary{background:#edf1ed;color:var(--ink)}.danger{background:#f8dfdb;color:var(--bad)}.pill{display:inline-block;border-radius:999px;padding:4px 8px;font-size:11px;font-weight:800}.pill.good{background:#ddf1e4;color:var(--good)}.pill.warn{background:#fff0cf;color:var(--warn)}.pill.bad{background:#f8dfdb;color:var(--bad)}.list{display:flex;flex-direction:column;gap:9px}.row{display:flex;justify-content:space-between;gap:12px;align-items:center}.row-main{min-width:0}.row-title{font-weight:800}.row-sub{font-size:12px;color:var(--muted);margin-top:2px}.seg{display:grid;grid-template-columns:repeat(3,1fr);gap:5px;background:#edf0ec;padding:4px;border-radius:12px}.seg button{border:0;border-radius:9px;padding:8px 5px;background:transparent;font-size:11px}.seg .active{background:white;box-shadow:0 1px 2px rgba(0,0,0,.08)}.empty{text-align:center;color:var(--muted);padding:30px 10px}.notice{background:#fff8e8;border:1px solid #f0d69b;border-radius:14px;padding:12px;color:#77520e;font-size:13px;margin:10px 0}.success{background:#e5f5ea;border:1px solid #b7dfc3;color:#216841}.big-number{font-size:32px;font-weight:900}.muted{color:var(--muted)}

.top-actions{display:flex;gap:8px}.mic-btn{background:#eef1ed;color:var(--ink);font-size:19px}.voice-list{font-size:13px;line-height:1.7}.click-card{cursor:pointer}.file-link{font-size:12px;font-weight:800;color:var(--good);text-decoration:none}.staff-actions{display:flex;gap:8px}.staff-actions button{flex:1}.calibration-pass{border-left:4px solid var(--good)}.calibration-fail{border-left:4px solid var(--bad)}
.brand-head{display:flex;align-items:center;gap:10px}.brand-logo{width:52px;height:52px;object-fit:contain;border-radius:50%}.bottom-nav{overflow-x:auto}.bottom-nav button{min-width:62px}.due-badge{font-size:12px;font-weight:800}.overdue{color:#a32727}.task-meta{font-size:12px;opacity:.72;margin-top:4px}.doc-link{display:inline-block;margin-top:8px}.record-actions{display:flex;gap:6px}.mini-btn{border:1px solid #ddd;background:#fff;border-radius:9px;padding:7px 9px}.danger-btn{color:#9d2020}.prep-check{width:24px;height:24px}.need-more{background:#fff4dd}.logo-hero{display:block;width:150px;margin:0 auto 12px}.settings-block{margin-top:16px}
.calendar-next{border-width:2px}.day-choice{text-align:left;width:100%;min-height:110px}.day-choice h3{margin:.1rem 0 .35rem}.day-choice p{margin:0}.notice p{margin:.45rem 0 0}

/* V6 SFBB exact-check and 4-weekly review layouts */
.sfbb-check{display:flex;gap:10px;align-items:flex-start;padding:10px 0;border-bottom:1px solid var(--border,#ddd)}
.sfbb-check:last-child{border-bottom:0}.sfbb-check span{font-weight:800;line-height:1.4}.review-list{padding:0 14px}.review-q{padding:14px 0;border-bottom:1px solid var(--border,#ddd)}.review-q:last-child{border-bottom:0}.review-yn{display:flex;gap:22px;margin-top:10px}.review-yn label{display:flex;align-items:center;gap:7px;min-height:44px}.review-yn input{width:20px;height:20px}.safety-v6{margin-top:12px}

/* V7 Operations */
:root{--brand:#b32622;--cream:#f7efe1;--black:#171411;--soft-red:#fff0ed}
.ops-hero{background:linear-gradient(145deg,#171411,#2a211c);position:relative;overflow:hidden}.ops-hero:after{content:"";position:absolute;width:180px;height:180px;border-radius:50%;background:rgba(179,38,34,.25);right:-60px;top:-80px}.ops-kicker{font-size:11px;letter-spacing:.14em;font-weight:900;opacity:.7}.metric-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.metric{min-height:105px}.metric .metric-label{font-size:12px;color:var(--muted);font-weight:800}.metric .metric-value{font-size:29px;font-weight:950;margin-top:8px;line-height:1}.metric .metric-sub{font-size:11px;color:var(--muted);margin-top:7px}.workflow{display:flex;flex-direction:column;gap:8px}.workflow-step{display:flex;gap:12px;align-items:center}.step-num{width:32px;height:32px;border-radius:50%;display:grid;place-items:center;background:#eef1ed;font-weight:900}.workflow-step.done .step-num{background:#dff2e6;color:var(--good)}.workflow-step .row-main{flex:1}.exact-check-row{display:grid;grid-template-columns:30px 1fr;gap:10px;align-items:flex-start;padding:13px 0;border-bottom:1px solid var(--line)}.exact-check-row:last-child{border-bottom:0}.exact-check-row input{width:22px;height:22px;margin-top:1px}.check-issue{grid-column:2;margin-top:8px;padding:10px;border-radius:12px;background:var(--soft-red)}.check-issue textarea{width:100%;min-height:70px;border:1px solid #d9b9b3;border-radius:10px;padding:9px;background:white;margin-top:7px}.reorder-panel{background:#fff8e8;border-color:#f0d69b}.reorder-item{padding:8px 0;border-bottom:1px solid #edd9aa}.reorder-item:last-child{border-bottom:0}.timeline-day{font-size:12px;font-weight:900;letter-spacing:.08em;color:var(--muted);margin:16px 3px 8px}.timeline-row{display:grid;grid-template-columns:55px 30px 1fr;gap:7px;align-items:start;padding:11px 0;border-bottom:1px solid var(--line)}.timeline-row:last-child{border-bottom:0}.timeline-time{font-size:12px;color:var(--muted)}.timeline-icon{font-size:18px}.timeline-title{font-weight:850}.timeline-sub{font-size:12px;color:var(--muted);margin-top:2px}.clean-frequency{margin:18px 0 8px;font-size:14px}.reference-task{padding:11px 13px}.reference-task .row-sub{line-height:1.45}.evidence-strip{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:10px 0}.evidence-strip .card{padding:11px}.evidence-strip b{display:block;font-size:15px}.evidence-strip span{font-size:11px;color:var(--muted)}.brand-head .eyebrow:after{content:'  •  OPERATIONS';color:var(--brand)}
/* V7.1 EHO-friendly record detail view */
.eho-record{background:#fff;border:1px solid #ded8cf;border-radius:14px;padding:14px;margin-bottom:14px}.eho-record-kicker{font-size:11px;font-weight:800;letter-spacing:.09em;color:#7a665c;margin-bottom:8px}.eho-detail-row{display:grid;grid-template-columns:135px 1fr;gap:10px;padding:8px 0;border-bottom:1px solid #eee8e0}.eho-detail-label{font-size:12px;font-weight:700;color:#6b625d}.eho-detail-value{font-size:14px;white-space:pre-wrap;word-break:break-word}.eho-subhead{font-size:14px;font-weight:800;margin:16px 0 8px}.eho-check{padding:10px;border:1px solid #e6e0d8;border-radius:10px;margin:7px 0;background:#faf8f4}.eho-check.eho-ok{border-left:4px solid #43845a}.eho-check.eho-action{border-left:4px solid #b74632}.eho-result{font-size:12px;font-weight:800;margin-top:4px}.eho-correction{font-size:13px;margin-top:8px;padding-top:8px;border-top:1px solid #e4ddd3}.timeline-main{min-width:0}@media(max-width:520px){.eho-detail-row{grid-template-columns:1fr;gap:3px}}

/* V7.2 */
.gas-summary-line{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:12px;font-size:.9rem}
.gas-home-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
.gas-home-item{border:1px solid var(--border,#ddd);border-radius:12px;padding:10px;display:flex;flex-direction:column;gap:3px}
.gas-home-item strong{font-size:1.15rem}.gas-home-item small{font-size:.78rem}
.gas-home-actions{display:flex;gap:8px;margin-top:12px;flex-wrap:wrap}
.gas-good{background:rgba(36,130,74,.06)}.gas-warning{background:rgba(196,126,0,.08)}.gas-low{background:rgba(180,45,45,.08)}.gas-unknown{background:rgba(80,80,80,.04)}
.daily-reading-row,.sensor-choice,.gas-update-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:11px 0;border-bottom:1px solid var(--border,#e4e0da)}
.daily-reading-row:last-child,.sensor-choice:last-child,.gas-update-row:last-child{border-bottom:0}
.gas-update-row label{font-weight:700}.gas-update-row input{width:120px;margin:0}
.switchbot-pull{margin-bottom:14px}.switchbot-pull .secondary{margin-top:6px}
.notice.warning{border-left:4px solid #c57d00}
@media (min-width:720px){.gas-home-grid{grid-template-columns:repeat(5,minmax(0,1fr))}}

/* V8 */
.login-wrap{min-height:75vh;display:grid;place-items:center}.login-card{max-width:420px;width:100%;padding:24px}.login-logo{width:110px;display:block;margin:0 auto 16px}.event-actions{display:flex;align-items:flex-end;gap:8px;flex-direction:column}.back-link{margin-bottom:10px}.event-prep-item.done{opacity:.76}.event-prep-item .need-toggle,.need-toggle{display:flex;align-items:center;gap:8px;margin-top:10px;font-size:13px;font-weight:800}.event-prep-item .need-toggle input,.need-toggle input{width:19px;height:19px}.document-grid{display:grid;gap:12px}.document-card{padding:15px}.doc-card-top{display:flex;align-items:flex-start;gap:10px}.doc-icon{font-size:25px}.doc-category{font-size:10px;font-weight:900;letter-spacing:.09em;color:var(--muted);text-transform:uppercase;margin-bottom:3px}.doc-meta{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:13px;padding:10px;background:#faf7f2;border-radius:10px}.doc-meta span{display:block;font-size:10px;color:var(--muted);text-transform:uppercase;letter-spacing:.05em}.doc-meta b{display:block;font-size:12px;margin-top:2px}.doc-note{font-size:12px;color:var(--muted);line-height:1.45}.doc-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px}.doc-button{display:flex;align-items:center;justify-content:center;text-decoration:none;margin-top:0}.last-review{font-size:11px;color:var(--muted);margin-top:10px}.safety-security{margin-top:10px}.record-detail-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px}.record-detail-actions .secondary{margin-top:0}.audit-timeline{display:flex;flex-direction:column;gap:8px}.audit-entry{border-left:4px solid #7a665c}.documents-centre .section-title{align-items:flex-end}.documents-centre .section-title h2{margin:3px 0 0}
@media(min-width:760px){.document-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.event-actions{flex-direction:row;align-items:center}}