:root{--bg:#f4f7fb;--card:#fff;--text:#18212f;--muted:#6b7789;--line:#e4e9f0;--primary:#2563eb;--primary2:#1d4ed8;--danger:#dc2626;--shadow:0 8px 30px rgba(20,35,60,.07);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}a{text-decoration:none;color:inherit}.shell{min-height:100vh}.sidebar{position:fixed;inset:0 auto 0 0;width:240px;background:#101827;color:#fff;padding:22px 14px;z-index:30}.brand{display:flex;gap:12px;align-items:center;padding:0 8px 24px}.logo,.hero-logo{display:grid;place-items:center;background:linear-gradient(135deg,#3b82f6,#1d4ed8);color:#fff;font-weight:800}.logo{width:42px;height:42px;border-radius:13px}.brand strong,.brand small{display:block}.brand small{color:#94a3b8;margin-top:2px;font-size:12px}nav{display:grid;gap:5px}nav a,.nav-muted,.nav-section{padding:11px 12px;border-radius:10px}nav a:hover{background:#1f2a3d}.nav-muted{color:#64748b}.nav-section{font-size:12px;color:#64748b;margin-top:12px}.main{margin-left:240px;min-height:100vh}.topbar{height:68px;background:rgba(255,255,255,.9);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 28px;position:sticky;top:0;z-index:20}.menu{display:none;border:0;background:none;font-size:22px}.top-title{font-weight:700}.content{padding:28px;max-width:1500px;margin:auto}.page-head{display:flex;justify-content:space-between;gap:16px;align-items:flex-end;margin-bottom:20px}.page-head h1{margin:0 0 5px;font-size:28px}.page-head p{margin:0;color:var(--muted)}.card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:20px;box-shadow:var(--shadow)}.card h2{margin:0 0 14px;font-size:18px}.card-head{display:flex;justify-content:space-between;align-items:center}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:20px}.stat{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;box-shadow:var(--shadow)}.stat b{display:block;font-size:30px}.stat span{color:var(--muted)}.stat.muted{opacity:.7}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:18px}.cards-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.top-gap{margin-top:18px}.building-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px;display:flex;justify-content:space-between;gap:14px;box-shadow:var(--shadow)}.building-card:hover{border-color:#bfd0f7}.building-card strong,.building-card span{display:block}.building-card span{color:var(--muted);font-size:13px;margin-top:5px}.building-card.static{align-items:center}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.form-grid label{font-size:13px;color:var(--muted);display:grid;gap:6px}.span2{grid-column:span 2}.wide-form{max-width:900px}.stack{display:grid;gap:14px}input,select,textarea{width:100%;border:1px solid #d6dde8;border-radius:11px;background:#fff;padding:11px 12px;font:inherit;color:var(--text);outline:none}input:focus,select:focus,textarea:focus{border-color:#7aa2f7;box-shadow:0 0 0 3px rgba(37,99,235,.1)}.btn{border:1px solid #d6dde8;background:#fff;border-radius:10px;padding:9px 13px;font:inherit;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:5px}.btn:hover{background:#f8fafc}.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}.btn.primary:hover{background:var(--primary2)}.btn.danger{color:#fff;background:var(--danger);border-color:var(--danger)}.btn.ghost{background:transparent}.btn.small{padding:7px 10px;font-size:13px}.btn.wide{width:100%}.actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.inline-reset{display:flex;gap:5px}.inline-reset input{width:120px;padding:7px}.table-wrap{overflow:auto;margin-top:18px}table{width:100%;border-collapse:collapse;min-width:760px}th,td{text-align:left;padding:13px;border-bottom:1px solid var(--line)}td small{display:block;color:var(--muted)}.pill{display:inline-block;border-radius:999px;padding:4px 9px;font-size:12px;background:#e8eef8}.pill.active{background:#dcfce7;color:#166534}.pill.disabled{background:#fee2e2;color:#991b1b}.filter{display:flex;gap:10px;margin-bottom:16px}.filter input{flex:1}.filter select{width:250px}.room-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.room-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px;box-shadow:var(--shadow)}.room-title{display:flex;justify-content:space-between;gap:10px}.room-title strong{font-size:22px;display:block}.room-title span{font-size:12px;color:var(--muted)}.room-meta{display:flex;justify-content:space-between;color:var(--muted);font-size:13px;margin:16px 0}.flash{padding:12px 14px;border-radius:12px;margin-bottom:12px}.flash.success{background:#dcfce7;color:#166534}.flash.error{background:#fee2e2;color:#991b1b}.empty{color:var(--muted);padding:20px}.login-body{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at top,#dce9ff,#f5f7fb 55%)}.login-card{width:min(420px,100%);background:#fff;border:1px solid var(--line);border-radius:24px;padding:32px;box-shadow:0 25px 60px rgba(30,55,100,.12)}.hero-logo{width:58px;height:58px;border-radius:18px;font-size:24px}.login-card h1{margin:18px 0 6px}.login-card>p{color:var(--muted);margin:0 0 20px}dialog{border:0;border-radius:18px;padding:22px;max-width:420px;width:calc(100% - 32px);box-shadow:0 30px 80px rgba(0,0,0,.25)}dialog::backdrop{background:rgba(15,23,42,.5)}.dialog-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:16px}
@media(max-width:900px){.sidebar{transform:translateX(-100%);transition:.2s}.sidebar.open{transform:none}.main{margin-left:0}.menu{display:block}.topbar{padding:0 16px}.content{padding:18px}.stats{grid-template-columns:1fr 1fr}.grid-2,.cards-grid,.room-grid{grid-template-columns:1fr 1fr}.page-head{align-items:flex-start}.filter{flex-wrap:wrap}.filter select{width:100%}}
@media(max-width:620px){.content{padding:14px}.topbar{height:60px;padding-top:env(safe-area-inset-top)}.stats,.grid-2,.cards-grid,.room-grid,.form-grid{grid-template-columns:1fr}.span2{grid-column:span 1}.page-head{display:grid}.page-head h1{font-size:24px}.card{padding:16px}.stat{padding:17px}.filter{display:grid}.building-card{align-items:flex-start}.room-title strong{font-size:20px}.actions .btn{min-height:40px}.sidebar{padding-top:calc(18px + env(safe-area-inset-top));padding-bottom:calc(18px + env(safe-area-inset-bottom))}}
.explain{color:var(--muted);line-height:1.7}.meter-card hr{border:0;border-top:1px solid var(--line);margin:18px 0}.danger-inline{margin-top:12px}.meter-workbench{display:grid;grid-template-columns:minmax(0,1fr) minmax(340px,.8fr);gap:18px}.capture-buttons{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:18px}.capture-btn{min-height:52px;font-weight:700}.room-search-wrap{position:relative}.suggest{position:absolute;left:0;right:0;top:72px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 15px 45px rgba(20,35,60,.18);z-index:20;max-height:320px;overflow:auto}.suggest button{width:100%;border:0;background:#fff;padding:12px 14px;text-align:left;display:flex;justify-content:space-between}.suggest button:hover{background:#f4f7fb}.suggest small{color:var(--muted)}.queue-summary{color:var(--muted);margin-bottom:12px}.queue-list{display:grid;gap:10px}.queue-item{border:1px solid var(--line);border-radius:12px;padding:12px}.queue-item>div:first-child{display:flex;justify-content:space-between;gap:10px}.queue-item span,.queue-item small{color:var(--muted);font-size:12px}.queue-progress{height:5px;background:#edf1f7;border-radius:99px;overflow:hidden;margin-top:9px}.queue-progress i{display:block;height:100%;background:var(--primary)}.photo-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.photo-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:10px;box-shadow:var(--shadow)}.photo-card img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:10px;background:#eef2f7}.photo-info{display:grid;gap:4px;padding:10px 2px}.photo-info span,.photo-info small{color:var(--muted);font-size:12px}@media(max-width:900px){.meter-workbench{grid-template-columns:1fr}.photo-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:620px){.capture-buttons,.photo-grid{grid-template-columns:1fr}.meter-workbench{gap:12px}.queue-card{padding-bottom:calc(16px + env(safe-area-inset-bottom))}}
.amount-hero{font-size:2rem;font-weight:800;letter-spacing:-.04em}.bill-meta{display:flex;gap:18px;flex-wrap:wrap}.action-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.danger-form{display:flex;gap:8px;align-items:center}.danger-form input{width:78px}.btn.danger{background:#b42318;color:white;border-color:#b42318}
@media(max-width:700px){.amount-hero{font-size:1.55rem}.bill-meta{display:grid;grid-template-columns:1fr 1fr}.action-row form{width:100%}.action-row .btn{width:100%}.danger-form input{width:72px}}
.room-profile-card{max-width:1000px}.section-title{display:flex;align-items:baseline;gap:10px;padding-bottom:4px;border-bottom:1px solid var(--line)}.section-title strong{font-size:18px;color:var(--text)}.section-title span{font-size:12px;color:var(--muted)}.info-card{max-width:1000px}.section-head{display:flex;justify-content:space-between;align-items:flex-start;gap:16px}.section-head h2{margin-bottom:4px}.section-head p{margin:0;color:var(--muted);font-size:13px}.meter-groups{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:18px}.meter-group{border:1px solid var(--line);border-radius:16px;padding:15px;background:#fafcff}.meter-group-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.meter-group-head h3{margin:0;font-size:17px}.meter-group-head span{color:var(--muted);font-size:12px}.embedded-meter-list{display:grid;gap:12px}.embedded-meter-card{border:1px solid var(--line);border-radius:14px;padding:14px;background:#fff}.embedded-meter-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.embedded-meter-form{display:grid;grid-template-columns:1fr 1fr;gap:10px}.embedded-meter-form label,.compact-form label{font-size:12px;color:var(--muted);display:grid;gap:5px}.embedded-meter-actions{display:flex;align-items:end}.embedded-meter-actions .btn{width:100%;min-height:42px}.add-meter-box{margin-top:12px;border:1px dashed #b8c5d8;border-radius:12px;background:#fff}.add-meter-box summary{cursor:pointer;padding:12px 14px;font-weight:700;color:var(--primary)}.add-meter-box[open] summary{border-bottom:1px solid var(--line)}.compact-form{padding:14px}.empty.compact{padding:12px;background:#fff;border:1px dashed var(--line);border-radius:12px}.meter-rule-note{margin-top:16px;padding:12px 14px;border-radius:12px;background:#eff6ff;color:#31507f;font-size:13px}.room-meter-panel{max-width:1200px}
@media(max-width:900px){.meter-groups{grid-template-columns:1fr}.section-head{display:grid}.room-meter-panel{padding:16px}}
@media(max-width:620px){.embedded-meter-form{grid-template-columns:1fr}.embedded-meter-actions .btn{width:100%}.meter-group{padding:12px}.room-profile-card{padding:16px}.add-meter-box summary{padding:13px}.meter-rule-note{line-height:1.55}}

.contract-upload{display:flex;gap:10px;align-items:center}.contract-upload input[type=file]{flex:1}.contract-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.contract-card{display:grid;gap:10px}.contract-card small{color:var(--muted)}.contract-card form{display:flex;gap:6px}.confirm-y{width:58px!important}.reminder-count{font-size:44px;font-weight:800;color:var(--primary)}.reminder-columns{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.reminder-columns section{border:1px solid var(--line);border-radius:14px;padding:14px}.reminder-columns h3{margin:0 0 10px}.reminder-row{padding:9px 0;border-bottom:1px solid var(--line);display:grid;gap:3px}.reminder-row:last-child{border:0}.reminder-row span{color:var(--muted);font-size:12px}.danger-text b{color:#b42318}.check{display:flex!important;grid-template-columns:auto 1fr!important;align-items:center;gap:9px!important}.check input{width:auto}.dashboard-stats{grid-template-columns:repeat(4,1fr)}.alert-stat{border-color:#fecaca;background:#fff7f7}@media(max-width:900px){.contract-grid{grid-template-columns:1fr 1fr}.reminder-columns{grid-template-columns:1fr}.dashboard-stats{grid-template-columns:1fr 1fr}}@media(max-width:620px){.contract-upload{display:grid}.contract-grid{grid-template-columns:1fr}.contract-card .actions{display:grid;grid-template-columns:1fr 1fr}.contract-card form{grid-column:span 2}.contract-card form .btn{flex:1}}