:root{--nav:#0b1739;--primary:#3156d3;--ink:#172033;--muted:#667085;--line:#e6eaf0;--bg:#f5f7fb;--green:#079455;--red:#d92d20;--amber:#dc6803}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:14px/1.5 Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Arial}aside{position:fixed;inset:0 auto 0 0;width:250px;background:var(--nav);color:#fff;padding:24px 14px;display:flex;flex-direction:column;z-index:10}.logo{display:flex;gap:12px;align-items:center;padding:0 10px 24px;font-weight:750;font-size:17px}.logo>span,.brandmark{display:grid;place-items:center;width:42px;height:42px;border-radius:12px;background:linear-gradient(135deg,#7392ff,#3156d3);color:#fff;font-weight:900;font-size:22px;box-shadow:0 8px 22px #0003}.logo small,.aside-foot small{display:block;color:#aeb9d6;font-weight:400;font-size:11px}.logo span{color:#fff}nav{display:grid;gap:5px}nav a{color:#bdc7df;text-decoration:none;padding:11px 13px;border-radius:9px;font-weight:550}nav a:hover,nav a.active{color:#fff;background:#ffffff14}.aside-foot{margin-top:auto;padding:16px 10px 0;border-top:1px solid #ffffff1a}.aside-foot a{display:block;color:#9fb6ff;margin-top:12px;text-decoration:none}.app{margin-left:250px;padding:0 30px 50px;max-width:1550px}.app>header{height:88px;display:flex;align-items:center;gap:15px;border-bottom:1px solid var(--line);margin-bottom:25px}.app>header h1{margin:0;font-size:24px}.app>header p{margin:1px 0 0;color:var(--muted)}.company-switch{margin-left:auto}.company-switch select{min-width:210px}.menu-btn{display:none}.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:20px}.stat,.panel{background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 2px 6px #10182808}.stat{padding:20px;border-top:3px solid var(--primary)}.stat.red{border-top-color:var(--red)}.stat.green{border-top-color:var(--green)}.stat.amber{border-top-color:var(--amber)}.stat small{color:var(--muted);font-size:11px;font-weight:700;letter-spacing:.05em}.stat b{display:block;font-size:25px;margin:6px 0}.stat span{color:var(--muted);font-size:12px}.split{display:grid;grid-template-columns:1.5fr 1fr;gap:20px}.panel{padding:20px;margin-bottom:20px}.panel.narrow{max-width:850px}.panel-title{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.panel-title h2{font-size:17px;margin:0}.panel-title a,.table-action{color:var(--primary);text-decoration:none;font-weight:650}.panel-title span{color:var(--muted)}label{display:grid;gap:6px;color:#344054;font-size:12px;font-weight:650}input,select,textarea{width:100%;border:1px solid #d0d5dd;border-radius:8px;padding:10px 11px;background:#fff;color:var(--ink);font:inherit;outline:none}input:focus,select:focus,textarea:focus{border-color:#7791ea;box-shadow:0 0 0 3px #3156d31a}textarea{min-height:74px;resize:vertical}button,.quick a{border:0;border-radius:8px;background:var(--primary);color:#fff;padding:10px 15px;font-weight:700;cursor:pointer;text-decoration:none}button.secondary{background:#eef2ff;color:#2948ad}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px 18px}.form-grid .wide{grid-column:1/-1}.form-grid button{align-self:end;justify-self:start}.form-grid.compact{margin-top:16px}.check{display:flex;align-items:center;gap:8px}.check input{width:auto}.alert{padding:12px 15px;border-radius:10px;margin-bottom:18px}.alert.success{background:#ecfdf3;color:#067647;border:1px solid #abefc6}.alert.danger{background:#fef3f2;color:#b42318;border:1px solid #fecdca}.info,.empty{padding:20px;color:var(--muted);background:#f8fafc;border-radius:9px;margin-top:15px}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse}th{text-align:left;font-size:11px;letter-spacing:.04em;color:var(--muted);text-transform:uppercase;background:#f8fafc}th,td{padding:12px;border-bottom:1px solid var(--line);vertical-align:top}td small{display:block;color:var(--muted)}.num{text-align:right;white-space:nowrap}.badge,.countdown{display:inline-block;border-radius:999px;background:#eef2ff;color:#2948ad;padding:3px 8px;font-size:11px;font-weight:700;text-transform:capitalize}.status-paid,.safe{background:#ecfdf3;color:#067647}.status-partially_paid,.soon{background:#fffaeb;color:#b54708}.status-unpaid,.urgent{background:#fef3f2;color:#b42318}.renewals>div{display:grid;grid-template-columns:85px 1fr;column-gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}.renewals small{grid-column:2;color:var(--muted)}.quick{display:grid;grid-template-columns:1fr 1fr;gap:10px}.quick a{background:#eef2ff;color:#2948ad;text-align:center}.item-row{display:grid;grid-template-columns:1fr 100px 160px 40px;gap:8px;margin:12px 0}.item-row .remove{background:#fee4e2;color:#b42318;padding:5px}.filter{display:flex;gap:10px;align-items:end}.filter label{min-width:300px}.paper{background:#fff;max-width:900px;margin:0 auto;padding:45px;box-shadow:0 2px 20px #0001}.paper-head,.paper-foot,.bill-grid{display:flex;justify-content:space-between;gap:30px}.paper-head{border-bottom:3px solid var(--nav);padding-bottom:20px}.paper h2{margin:0;font-size:27px}.paper p{color:var(--muted)}.paper-head>div:last-child{text-align:right}.doc-type{font-size:24px;color:var(--primary)}.bill-grid{margin:30px 0}.bill-grid>div{display:grid;gap:3px}.bill-grid small{color:var(--muted);font-size:10px;letter-spacing:.08em}.totals{margin:20px 0 25px auto;display:grid;width:320px}.totals span,.totals strong{display:flex;justify-content:space-between;padding:7px}.totals strong{border-top:1px solid var(--line);font-size:16px}.paper-foot{align-items:flex-end;border-top:1px solid var(--line);padding-top:20px}.qr{width:96px;height:96px}.qr img,.qr canvas{width:100%!important;height:100%!important}.paper-foot>div:last-child{text-align:center}.print-actions{display:flex;gap:8px;justify-content:flex-end;margin-bottom:20px}.print-actions a{padding:9px 15px;text-decoration:none;color:var(--ink)}.receipt-amount{font-size:35px;font-weight:800;padding:20px;background:#f0f4ff;border-radius:12px;text-align:center;margin:25px 0}.login-bg{min-height:100vh;display:grid;place-items:center;background:radial-gradient(circle at top left,#dce5ff,#f7f9fd 55%)}.login-card,.install-card,.verify-card{width:min(430px,calc(100% - 30px));background:#fff;border:1px solid var(--line);border-radius:18px;padding:32px;box-shadow:0 20px 50px #17203318}.install-card{width:min(760px,calc(100% - 30px));margin:40px}.login-card{text-align:center}.login-card .brandmark{margin:0 auto 15px}.login-card h1,.verify-card h1{margin:6px 0}.login-card>p,.login-card>small{color:var(--muted)}.login-card form{text-align:left;display:grid;gap:15px;margin:25px 0}.login-card button{width:100%}.captcha{display:grid;grid-template-columns:150px 1fr;gap:8px}.verify-card{text-align:center}.verify-icon{display:grid;place-items:center;margin:auto;width:60px;height:60px;border-radius:50%;background:#d1fadf;color:#067647;font-size:30px}.verify-card dl{display:grid;grid-template-columns:1fr 1fr;text-align:left;border-top:1px solid var(--line)}.verify-card dt,.verify-card dd{padding:9px;margin:0;border-bottom:1px solid var(--line)}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}.install-card form{display:grid;gap:15px}.install-card h3{margin-bottom:0}
@media(max-width:1000px){.cards{grid-template-columns:1fr 1fr}.split{grid-template-columns:1fr}.app{padding:0 18px 40px}}@media(max-width:720px){aside{transform:translateX(-100%);transition:.2s}.nav-open aside{transform:none}.app{margin-left:0}.menu-btn{display:block;background:#eef2ff;color:#2948ad}.cards,.form-grid,.grid2{grid-template-columns:1fr}.form-grid .wide{grid-column:auto}.item-row{grid-template-columns:1fr 70px 100px 38px}.company-switch select{min-width:120px}.app>header h1{font-size:18px}.quick{grid-template-columns:1fr}.filter{display:grid}.paper{padding:20px}.paper-head,.paper-foot,.bill-grid{display:grid}.paper-head>div:last-child{text-align:left}}@media print{aside,.app>header,.alert,.print-actions,body>.app>section:not(.paper){display:none!important}.app{margin:0;padding:0}.paper{box-shadow:none;max-width:none;padding:10mm}body{background:#fff}.qr{width:25mm;height:25mm}@page{size:A4;margin:10mm}}
.small-btn{padding:6px 9px;font-size:11px}.danger-btn{background:#b42318}.snapshot-list{display:grid;gap:10px}.snapshot-list form{display:flex;align-items:center;justify-content:space-between;gap:15px;border:1px solid var(--line);border-radius:10px;padding:13px}.snapshot-list small{display:block;color:var(--muted)}.report-cards{grid-template-columns:repeat(2,minmax(220px,1fr));max-width:700px}.logo img,.logo-preview,.company-avatar img{object-fit:contain}.logo img{width:42px;height:42px;border-radius:10px;background:#fff}.status-sent{background:#eef2ff;color:#2948ad}
.admin-menu{margin-top:8px;border-top:1px solid #ffffff1a;padding-top:8px}.admin-menu summary{cursor:pointer;color:#fff;padding:10px 13px;font-weight:750;list-style:none}.admin-menu summary::before{content:'⚙';margin-right:8px}.admin-menu a{margin-left:10px;padding:9px 12px;font-size:12px}.bd-clock{text-align:right;margin-left:auto;min-width:230px}.bd-clock b,.bd-clock small{display:block}.bd-clock small{color:var(--muted);font-size:11px}.company-switch{margin-left:0}.logo-help{display:block;margin-top:8px;padding:10px;border-radius:8px;background:#f8fafc;color:var(--muted);font-weight:500}.logo-preview{width:110px;height:80px;margin-top:8px;border:1px solid var(--line);border-radius:8px;background:#fff}.invoice-brand{display:flex;align-items:center;gap:16px}.invoice-brand img{width:22mm;height:22mm;object-fit:contain}
@media(max-width:720px){.bd-clock{display:none}.admin-menu a{margin-left:0}.invoice-brand{align-items:flex-start}}

/* v1.4 professional workspace navigation and centred Bangladesh clock */
aside{width:272px;padding:22px 14px;background:linear-gradient(180deg,#08152f 0%,#0d2044 58%,#0a1834 100%);box-shadow:12px 0 35px #10234d14}
.app{margin-left:272px}.app>header{position:relative;min-height:92px;height:auto;padding:15px 0}
.page-identity{min-width:220px}.company-switch{margin-left:auto;max-width:250px}.company-switch select{background:#fff;border-color:#d8deea;box-shadow:0 3px 12px #1720330a}
.bd-clock{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);margin:0;min-width:310px;text-align:center;padding:9px 22px;border:1px solid #e2e7f0;border-radius:12px;background:#fff;box-shadow:0 5px 18px #1720330a}
.bd-clock b{font-size:14px;letter-spacing:.015em}.bd-clock small{margin-top:2px;color:#53617a}
.side-nav{display:block}.side-nav>a,.nav-section{margin-bottom:7px}.side-nav .nav-home{display:flex;align-items:center;gap:10px;padding:12px 13px}.side-nav .nav-home span,.nav-section summary span{width:22px;text-align:center;color:#91a9e9;font-size:16px}
.nav-section{border:1px solid transparent;border-radius:11px;overflow:hidden}.nav-section[open]{background:#ffffff08;border-color:#ffffff0d}.nav-section summary{display:flex;align-items:center;gap:9px;padding:11px 13px;color:#d5ddf0;font-weight:700;cursor:pointer;list-style:none;user-select:none}.nav-section summary::-webkit-details-marker{display:none}.nav-section summary i{margin-left:auto;font-style:normal;color:#7f91b8;transition:transform .2s}.nav-section[open] summary i{transform:rotate(180deg)}
.nav-section>div{padding:0 6px 7px 36px}.nav-section a{position:relative;display:block;margin:2px 0;padding:9px 10px;color:#aebbd6;border-radius:8px;font-size:12.5px}.nav-section a:before{content:'';position:absolute;left:-14px;top:50%;width:5px;height:5px;border-radius:50%;background:#526789}.nav-section a:hover,.nav-section a.active{color:#fff;background:#ffffff12}.nav-section a.active:before{background:#88a6ff;box-shadow:0 0 0 4px #7697ff20}.administration{margin-top:13px;padding-top:7px;border-top-color:#ffffff18}
@media(max-width:1120px){.bd-clock{min-width:245px;padding-inline:12px}.bd-clock b{font-size:12px}.company-switch select{min-width:165px}.page-identity{min-width:170px}}
@media(max-width:820px){.bd-clock{min-width:220px}.page-identity{min-width:130px}.page-identity h1{font-size:18px}.company-switch{max-width:140px}.company-switch select{min-width:120px}}
@media(max-width:720px){aside{width:272px}.app{margin-left:0}.bd-clock{display:block;position:static;transform:none;margin-left:auto;min-width:215px}.page-identity{display:none}}
@media(max-width:560px){.app>header{gap:8px}.bd-clock{min-width:0;flex:1;padding:7px 8px}.bd-clock b{font-size:11px}.bd-clock small{font-size:9px}.company-switch{width:105px}.company-switch select{min-width:0;padding:8px}.menu-btn{padding:9px 11px}}

/* v1.4.1: enforce a true stacked sidebar and vertical accordion submenus */
.side-nav{display:flex!important;flex-direction:column!important;align-items:stretch!important;width:100%!important;gap:6px!important}
.side-nav>.nav-home,.side-nav>.nav-section{display:block!important;width:100%!important;flex:none!important;margin:0!important}
.side-nav>.nav-home{display:flex!important}
.nav-section>summary{width:100%!important}
.nav-section>.nav-submenu{display:flex!important;flex-direction:column!important;align-items:stretch!important;width:100%!important;gap:3px!important;padding:2px 7px 9px 38px!important}
.nav-section>.nav-submenu>a{display:block!important;width:100%!important;margin:0!important;white-space:normal!important}
.nav-section:not([open])>.nav-submenu{display:none!important}
.administration{margin-top:8px!important;border-top:1px solid #ffffff18!important;padding-top:8px!important}

/* v1.4.2: balanced top bar and party payment reminders */
@media(min-width:821px){.app>header{display:grid;grid-template-columns:minmax(220px,1fr) auto minmax(220px,1fr);column-gap:22px}.page-identity{grid-column:1}.bd-clock{position:static;grid-column:2;transform:none;justify-self:center}.company-switch{grid-column:3;justify-self:end;margin:0;width:min(100%,250px)}}
.inline-status{display:flex;align-items:center;gap:7px;margin-top:7px}.inline-status select{min-width:105px;padding:6px 8px}.payment-overdue-row{background:#fff8f7}.payment-overdue-row>td:first-child{border-left:3px solid var(--red)}.status-pending{background:#fffaeb;color:#b54708}.status-inactive{background:#f2f4f7;color:#475467}.recurring-mark{display:inline-block;color:#3156d3;background:#eef2ff;border-radius:999px;padding:3px 8px;font-size:11px;font-weight:700}.party-due-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:24px}
@media(max-width:720px){.party-due-list{grid-template-columns:1fr}.inline-status{min-width:180px}}

/* v1.9 cheque printing and millimetre calibration */
.cheque-layout{align-items:start}.xy{display:grid;grid-template-columns:1fr 1fr;gap:8px}.cheque-help{max-width:900px;margin:0 auto 18px;padding:12px 16px;background:#fff8db;border:1px solid #f2d675;border-radius:10px;color:#664d03}.cheque-actions{align-items:center;max-width:900px;margin-inline:auto}.cheque-actions .check{margin-right:auto}.cheque-sheet{position:relative;width:var(--cw);height:var(--ch);margin:0 auto;background-color:#fff;background-image:var(--cheque-bg);background-position:center;background-size:100% 100%;background-repeat:no-repeat;box-shadow:0 8px 30px #0002;overflow:hidden;color:#000;font-family:Arial,sans-serif;font-size:var(--fs);font-weight:600}.cheque-sheet>span{position:absolute;white-space:nowrap;line-height:1.25}.cheque-sheet .cheque-words{max-width:120mm;white-space:normal}.cheque-crossing{font-size:9pt;border-top:1px solid #000;border-bottom:1px solid #000;padding:1px 5px;transform:rotate(-8deg)}.cheque-amount{font-weight:800}.cheque-sheet.hide-background{background-image:none}.cheque-preview-page{overflow:auto;padding-bottom:25px}
.printer-guide-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.printer-guide article{padding:16px;border:1px solid #dbe4ee;border-radius:12px;background:linear-gradient(180deg,#fff,#f7faff)}.printer-guide h3{margin:0 0 10px;color:#173b67}.printer-guide ol{margin:0;padding-left:20px}.printer-guide li{margin:0 0 8px;line-height:1.5}.printer-guide .privacy-note{margin-top:14px}@media(max-width:900px){.printer-guide-grid{grid-template-columns:1fr}}
@media print{body:has(.cheque-preview-page) aside,body:has(.cheque-preview-page) .app>header,body:has(.cheque-preview-page) .cheque-actions,body:has(.cheque-preview-page) .cheque-help{display:none!important}body:has(.cheque-preview-page) .app{margin:0!important;padding:0!important}.cheque-preview-page{display:block!important;padding:0!important}.cheque-sheet{margin:0!important;box-shadow:none!important;background-image:none!important}@page{size:auto;margin:0}}