:root{--blue:#155eef;--navy:#102a56;--ink:#172b4d;--muted:#667085;--line:#e6eaf0;--bg:#f4f6f8;--green:#067647;--orange:#b54708;--red:#d92d20;--shadow:0 10px 32px rgba(23,43,77,.08)}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:14px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}button,input,select{font:inherit}button{cursor:pointer;touch-action:manipulation;transition:transform .16s ease,box-shadow .16s ease,background-color .16s ease,color .16s ease,border-color .16s ease}button:hover:not(:disabled){transform:translateY(-1px)}button:active:not(:disabled){transform:translateY(0)}button:focus-visible{outline:3px solid rgba(21,94,239,.22);outline-offset:2px}button:disabled{cursor:not-allowed;opacity:.48;box-shadow:none!important}.hidden{display:none!important}.panel{background:#fff;border:1px solid #eef1f5;border-radius:20px;box-shadow:var(--shadow)}
.login-page{min-height:100vh;padding:7vh 24px 40px}.login-hero{text-align:center;margin-bottom:42px}.logo{width:70px;height:70px;margin:0 auto 16px;border-radius:22px;background:linear-gradient(135deg,var(--blue),#7898ff);color:#fff;font-size:34px;font-weight:800;display:grid;place-items:center}.login-hero h1{margin:0;color:var(--navy);font-size:30px}.login-hero p{color:var(--muted)}.login-grid{max-width:820px;margin:auto;display:grid;grid-template-columns:1fr 1fr;gap:24px}.login-grid.single-entry{max-width:410px;grid-template-columns:minmax(0,1fr)}.login-card{padding:30px}.eyebrow{color:var(--blue);font-weight:700}.login-card h2{margin:7px 0 22px;font-size:21px}.login-card label,.form-grid label{display:block;color:#475467;margin:14px 0}.login-card input,.form-grid input,.form-grid select{display:block;width:100%;margin-top:7px;padding:11px 12px;border:1px solid #d8dee8;border-radius:10px;background:#fafbfc;color:var(--ink)}.hint{color:var(--muted);font-size:13px;min-height:39px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:42px;border:1px solid transparent;border-radius:10px;padding:10px 18px;font-weight:700;line-height:1.2;box-shadow:0 4px 12px rgba(16,42,86,.12)}.login-card .btn{width:100%;margin-top:9px}.primary{background:var(--blue);color:#fff}.primary:hover:not(:disabled){background:#004eeb;box-shadow:0 7px 16px rgba(21,94,239,.25)}.dark{background:var(--navy);color:#fff}.dark:hover:not(:disabled){background:#183b73;box-shadow:0 7px 16px rgba(16,42,86,.24)}.secondary{background:#eaf1ff;color:var(--blue);border-color:#c9d9ff}.secondary:hover:not(:disabled){background:#dce8ff}.danger{background:#fff0ef;color:var(--red);border-color:#ffd1cc}.danger:hover:not(:disabled){background:#ffe3e0}
.topbar{height:64px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 28px;position:sticky;top:0;z-index:10}.topbar strong{font-size:19px;color:var(--navy)}#roleName{margin-left:12px;padding:4px 9px;border-radius:99px;background:#eef4ff;color:var(--blue);font-size:12px}.text-btn{min-height:36px;border:1px solid var(--line);border-radius:9px;padding:7px 13px;background:#fff;color:var(--muted);font-weight:650}.text-btn:hover:not(:disabled){border-color:#b7c8e8;background:#f5f8ff;color:var(--blue);box-shadow:0 4px 10px rgba(16,42,86,.08)}.admin-shell{display:grid;grid-template-columns:220px 1fr;min-height:calc(100vh - 64px)}.sidebar{background:#102a56;padding:26px 16px;color:#fff}.side-title{font-size:17px;font-weight:700;padding:0 12px 20px}.sidebar nav{display:grid;gap:6px}.nav-item{border:1px solid transparent;background:transparent;color:#cbd8ee;text-align:left;padding:12px 15px;border-radius:10px;font-weight:650}.nav-item.active,.nav-item:hover{background:rgba(255,255,255,.13);border-color:rgba(255,255,255,.08);color:#fff;box-shadow:inset 3px 0 0 #7da2ff}.content{padding:30px;max-width:1400px;width:100%;margin:0 auto}.page-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}.page-head h1{margin:0;color:var(--navy);font-size:25px}.page-head p{margin:4px 0 0;color:var(--muted)}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:22px}.stat{padding:20px}.stat .number{font-size:29px;font-weight:800;color:var(--navy);margin-top:6px}.muted{color:var(--muted)}.table-wrap{overflow:auto}.table-panel{padding:4px 20px 18px}table{border-collapse:collapse;width:100%;min-width:720px}th,td{text-align:left;padding:15px 10px;border-bottom:1px solid var(--line)}th{color:var(--muted);font-size:12px;font-weight:650}td strong{color:var(--navy)}.tag{display:inline-block;border-radius:99px;padding:4px 9px;font-size:12px;background:#fff4e5;color:var(--orange)}.tag.paid{background:#e8f7ee;color:var(--green)}.tag.reviewing{background:#eaf1ff;color:var(--blue)}.actions{display:flex;gap:8px;flex-wrap:wrap}.small-btn{min-height:34px;border:1px solid #d2def5;border-radius:8px;padding:7px 11px;color:var(--blue);background:#edf3ff;font-weight:650;box-shadow:0 2px 6px rgba(21,94,239,.08)}.small-btn:hover:not(:disabled){border-color:#a9c0f2;background:#dfeaff;box-shadow:0 4px 10px rgba(21,94,239,.14)}.small-btn.confirm-btn{border-color:#079455;color:#fff;background:#079455}.small-btn.confirm-btn:hover:not(:disabled){background:#067647}.small-btn.receipt-btn{border-color:#6938ef;color:#fff;background:#6938ef}.small-btn.receipt-btn:hover:not(:disabled){background:#5925dc}.form-panel{padding:24px}.form-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:4px 16px}.form-actions{margin-top:18px;display:flex;gap:10px}.empty{text-align:center;padding:54px;color:var(--muted)}
.tenant-content{max-width:520px;margin:0 auto;padding:22px 16px 80px}.mobile-hero{background:linear-gradient(135deg,#155eef,#557ff5);border-radius:22px;padding:24px;color:#fff;margin-bottom:16px}.mobile-hero h1{margin:0;font-size:24px}.mobile-hero p{margin:7px 0 0;color:#dfe8ff}.tenant-card{padding:20px;margin-bottom:14px}.bill-top{display:flex;justify-content:space-between;align-items:flex-start}.money{font-size:40px;font-weight:850;color:var(--red);line-height:1.2;margin:14px 0 4px}.fee-row{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px dashed var(--line)}.fee-row:last-child{border:0}.usage-text,.fee-formula{display:block;margin-top:3px;font-size:12px;line-height:1.4}.usage-text{color:var(--blue);font-weight:700}.tenant-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:18px}.tenant-actions .btn:only-child{grid-column:1/-1}.proof-preview,.qr{display:block;width:210px;height:210px;object-fit:contain;margin:14px auto;border-radius:12px;background:#f8f9fb}.payment-code-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.qr-area{text-align:center;margin-bottom:18px;padding:14px;border:1px solid var(--line);border-radius:14px}.qr-area .qr{margin-bottom:10px;-webkit-touch-callout:default;user-select:auto}.qr-area .payment-qr{width:220px;height:220px;max-width:100%;padding:6px;background:#fff;border:1px solid var(--line)}.qr-recognize-tip{margin:0 auto 12px;color:var(--navy);font-weight:700}.qr-save{display:block;margin:0 auto 7px}.qr-area small{display:block}.field-hint{display:block;margin-top:6px;color:var(--blue);font-weight:500}.upload{display:block;border:1px dashed #9ab5ed;border-radius:12px;padding:24px;text-align:center;color:var(--blue);background:#f5f8ff}.upload input{display:none}.receipt{border:1px solid #8d99aa;padding:20px;margin:12px 0;background:#fff}.receipt-heading{position:relative;padding-bottom:10px;border-bottom:2px solid var(--navy)}.receipt h2{text-align:center;margin:0;color:var(--navy)}.receipt .copy{position:absolute;right:0;top:4px}.receipt-meta{display:grid;grid-template-columns:1fr 1fr;gap:4px 16px;padding:12px 0;border-bottom:1px solid var(--line);font-size:13px}.receipt-items{min-height:190px}.receipt-usage{color:#344054}.receipt-total{display:flex;justify-content:space-between;font-size:18px;font-weight:800;border-top:1px solid #333;padding-top:10px;margin-top:10px}.receipt-payee{margin:14px 0 6px}#receiptPrint{display:grid;grid-template-columns:1fr 1fr;gap:14px}.receipt-print-button{width:100%;margin-top:10px}
.toast{position:fixed;z-index:100;top:22px;left:50%;transform:translate(-50%,-20px);background:#172b4d;color:#fff;padding:10px 16px;border-radius:9px;opacity:0;pointer-events:none;transition:.2s}.toast.show{opacity:1;transform:translate(-50%,0)}dialog{border:0;padding:0;background:transparent;width:760px;max-width:calc(100vw - 32px)}dialog::backdrop{background:rgba(16,42,86,.42)}.dialog-card{position:relative;background:#fff;border-radius:18px;padding:30px;max-height:88vh;overflow:auto}.dialog-close{position:absolute;right:14px;top:12px;width:36px;height:36px;border:1px solid var(--line);border-radius:50%;background:#fff;font-size:25px;line-height:1;color:var(--muted);box-shadow:0 3px 9px rgba(16,42,86,.1)}.dialog-close:hover:not(:disabled){background:#f1f5fb;color:var(--navy)}
.room-form-head{padding-right:36px;margin-bottom:24px}.room-form-head h2{margin:0;color:var(--navy);font-size:24px}.room-form-head p{margin:5px 0 0;color:var(--muted)}.room-form{grid-template-columns:repeat(6,minmax(0,1fr));gap:18px 16px}.room-form label{grid-column:span 2;margin:0;font-size:13px;font-weight:650;color:#344054}.room-form label.span-3{grid-column:span 3}.room-form input,.room-form select{height:44px;margin-top:7px;background:#fff}.room-form input:focus,.room-form select:focus{outline:3px solid rgba(21,94,239,.12);border-color:var(--blue)}.room-form input[readonly]{background:#f2f4f7;color:var(--muted)}.form-section-title{grid-column:1/-1;padding-bottom:8px;border-bottom:1px solid var(--line);color:var(--navy);font-size:14px;font-weight:750}.room-form .form-actions{grid-column:1/-1;justify-content:flex-end;margin-top:4px;padding-top:20px;border-top:1px solid var(--line)}.room-form .form-actions .btn{min-width:120px}
.attachment-current{grid-column:span 3;display:flex;align-items:center;padding-top:24px}.contract-preview{display:block;max-width:100%;max-height:62vh;margin:12px auto}.contract-frame{display:block;width:100%;height:62vh;border:1px solid var(--line);margin:12px 0}.attachment-download{display:inline-block;text-decoration:none;margin-top:10px}.bill-filters{display:grid;grid-template-columns:repeat(4,minmax(140px,1fr));gap:14px;padding:18px;margin-bottom:18px}.bill-filters label{color:var(--muted);font-size:12px}.bill-filters input,.bill-filters select{display:block;width:100%;height:42px;margin-top:6px;padding:9px 11px;border:1px solid #d8dee8;border-radius:9px;background:#fff}.bill-filter-actions{grid-column:1/-1;display:flex;justify-content:flex-end;gap:10px}.bill-summary{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:18px}.bill-summary .stat{box-shadow:none}.bill-summary .number{font-size:23px}.paid-money{color:var(--green)!important}.pending-money{color:var(--orange)!important}.pagination{display:flex;justify-content:flex-end;align-items:center;gap:10px;padding:16px 2px}.pagination label{display:flex;align-items:center;gap:6px}.pagination select{padding:7px;border:1px solid var(--line);border-radius:8px;background:#fff}.pagination button:disabled{opacity:.45;cursor:not-allowed}.print-only{display:none}
.bill-preview-head{text-align:center}.bill-preview-head h2{margin:5px 0}.bill-preview-head p{margin:0;color:var(--muted)}.bill-preview-meta{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:20px 0;padding:14px;background:#f7f9fc;border-radius:12px;color:var(--muted)}.bill-preview-meta strong{color:var(--navy)}.bill-preview-items{border-top:1px solid var(--line)}.bill-preview-total{font-size:22px;color:var(--navy)}.preview-notice{padding:11px 13px;border-radius:9px;background:#fff7e8;color:var(--orange)}.preview-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:18px}.preview-actions .btn{min-width:112px}.preview-actions button:disabled{opacity:.55}
@media(max-width:800px){.login-page{padding-top:36px}.login-grid{grid-template-columns:1fr}.admin-shell{display:block}.sidebar{position:fixed;bottom:0;left:0;right:0;z-index:20;padding:7px;background:#fff;border-top:1px solid var(--line);color:var(--ink)}.side-title{display:none}.sidebar nav{display:grid;grid-template-columns:repeat(6,1fr);gap:2px}.nav-item{padding:8px 2px;text-align:center;color:var(--muted);font-size:10px}.nav-item.active{background:#eaf1ff;color:var(--blue)}.content{padding:18px 14px 85px}.stats{grid-template-columns:1fr 1fr}.form-grid{grid-template-columns:1fr 1fr}.room-form{grid-template-columns:repeat(2,minmax(0,1fr))}.room-form label,.room-form label.span-3{grid-column:span 1}.attachment-current{grid-column:span 1;padding-top:0}.bill-filters,.bill-summary{grid-template-columns:1fr 1fr}.page-head h1{font-size:22px}.table-panel{padding:3px 14px 14px}.topbar{padding:0 16px}.topbar strong{font-size:17px}}
@media(max-width:480px){.form-grid,.room-form,.bill-filters,.payment-code-grid,#receiptPrint{grid-template-columns:1fr}.bill-summary{grid-template-columns:1fr 1fr}.login-card{padding:24px}.stats{gap:10px}.stat{padding:15px}.stat .number{font-size:24px}.dialog-card{padding:24px 18px}.room-form{gap:15px}.room-form .form-actions .btn{width:100%}.pagination{justify-content:center;flex-wrap:wrap}}
@page{size:A4 landscape;margin:8mm}@media print{.topbar,.sidebar,.page-head,.no-print,.tenant-actions,.screen-only{display:none!important}.print-only{display:block!important}.admin-shell{display:block}.content,.tenant-content{padding:0;max-width:none}.bill-print h1{margin:0 0 6px}.bill-print p{margin:0 0 12px}.bill-print table{min-width:0;font-size:11px}.bill-print th,.bill-print td{padding:7px 6px}body.printing-receipt{background:#fff}body.printing-receipt> *:not(dialog){display:none!important}body.printing-receipt dialog[open]{position:static!important;inset:auto!important;display:block!important;width:auto!important;max-width:none!important;height:auto!important;max-height:none!important;margin:0!important;padding:0!important;overflow:visible!important;background:#fff}body.printing-receipt dialog::backdrop{display:none}body.printing-receipt .dialog-card{padding:0!important;border-radius:0!important;max-height:none!important;overflow:visible!important;box-shadow:none!important}body.printing-receipt #receiptPrint{display:grid!important;grid-template-columns:1fr 1fr!important;gap:8mm!important;width:100%;height:190mm}body.printing-receipt .receipt{height:190mm;margin:0;padding:7mm;overflow:hidden;break-inside:avoid;page-break-inside:avoid;box-shadow:none;font-size:11pt}body.printing-receipt .receipt-heading{padding-bottom:3mm}body.printing-receipt .receipt h2{font-size:18pt}body.printing-receipt .receipt-meta{padding:4mm 0;font-size:10pt}body.printing-receipt .receipt-items{min-height:90mm}body.printing-receipt .receipt .fee-row{padding:3mm 0}body.printing-receipt .receipt-total{font-size:15pt;margin-top:3mm;padding-top:3mm}}