:root{--nav:#102b46;--nav2:#173b5e;--accent:#176fb5;--accent2:#0f5f9e;--bg:#f3f6f9;--text:#182536;--muted:#6b7a8c;--border:#dce4ec;--good:#177a4d;--warn:#b87800;--danger:#b93e46;--shadow:0 8px 28px rgba(20,42,68,.08)}*{box-sizing:border-box}body{margin:0;font-family:"Segoe UI",Arial,sans-serif;background:var(--bg);color:var(--text)}a{color:var(--accent)}.layout{display:flex;min-height:100vh}.sidebar{width:230px;background:linear-gradient(180deg,var(--nav),#0c2238);color:#fff;padding:22px 14px;position:fixed;inset:0 auto 0 0;display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:10px;padding:0 8px 22px;border-bottom:1px solid rgba(255,255,255,.14)}.brand-mark{width:38px;height:38px;border-radius:10px;background:#fff;color:var(--nav);font-weight:900;display:grid;place-items:center}.logo{font-weight:800;font-size:20px;letter-spacing:.2px}.tag{font-size:10px;opacity:.72;letter-spacing:1px}.sidebar nav{margin-top:18px}.sidebar a{display:block;color:#dce9f4;text-decoration:none;padding:12px 14px;margin:5px 0;border-radius:9px;font-weight:600}.sidebar a:hover,.sidebar a.active{background:var(--nav2);color:#fff}.sidebar-foot{margin-top:auto;padding:16px 10px 4px;font-size:11px;line-height:1.6;color:#a9bfd2}.content{margin-left:230px;width:calc(100% - 230px)}.topbar{height:76px;background:#fff;border-bottom:1px solid var(--border);padding:14px 30px;display:flex;justify-content:space-between;align-items:center;position:sticky;top:0;z-index:5}.topbar b{display:block;font-size:17px}.topbar span{font-size:12px;color:var(--muted)}.main{padding:30px;max-width:1400px;margin:auto}.page-head,.invoice-head{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:22px}.page-head h1,.invoice-head h1{margin:0}.eyebrow{text-transform:uppercase;font-size:11px;font-weight:800;letter-spacing:1.3px;color:var(--accent);margin-bottom:6px}.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.card,.panel{background:#fff;border:1px solid var(--border);border-radius:14px;padding:22px;box-shadow:var(--shadow)}.card .icon{width:38px;height:38px;border-radius:10px;background:#eaf3fb;color:var(--accent);display:grid;place-items:center;font-weight:800;margin-bottom:12px}.kpi{font-size:30px;font-weight:800;margin-top:5px}.muted{color:var(--muted);font-size:13px}.btn{display:inline-block;background:var(--accent);color:#fff;border:none;border-radius:9px;padding:11px 17px;text-decoration:none;cursor:pointer;font-weight:700}.btn:hover{background:var(--accent2)}.btn.secondary{background:#667789}.btn.good{background:var(--good)}.btn.warn{background:var(--warn)}.btn.danger{background:var(--danger);padding:7px 11px}.btn.light{background:#edf4fa;color:#145d95;border:1px solid #cfe0ef}.actions{display:flex;gap:9px;flex-wrap:wrap}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:18px}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.form-section{margin-bottom:18px}.form-section h2{font-size:18px;margin:0 0 16px}.field-help{font-size:11px;color:var(--muted);margin-top:4px}label{display:block;font-weight:700;font-size:13px;margin-bottom:6px}input,select,textarea{width:100%;padding:11px 12px;border:1px solid #cbd6e0;border-radius:8px;font:inherit;background:#fff;color:var(--text)}input:focus,select:focus,textarea:focus{outline:none;border-color:#6da9d6;box-shadow:0 0 0 3px rgba(23,111,181,.10)}textarea{min-height:90px;resize:vertical}.table-wrap{overflow:auto;border:1px solid var(--border);border-radius:10px}table{width:100%;border-collapse:collapse;background:#fff}th,td{padding:12px 13px;border-bottom:1px solid var(--border);text-align:left;vertical-align:middle}th{background:#f2f6f9;font-size:12px;text-transform:uppercase;letter-spacing:.4px;color:#526274}tr:last-child td{border-bottom:none}.amount{text-align:right;white-space:nowrap}.status{display:inline-block;padding:5px 10px;border-radius:999px;font-size:12px;font-weight:800;background:#eef2f5}.status.Paid{color:var(--good);background:#e5f5ed}.status.Overdue{color:var(--danger);background:#fbe9eb}.status.Sent{color:var(--accent);background:#e6f1fa}.status.Partially.Paid{color:var(--warn)}h1{font-size:30px}h2{margin-top:0}.line-table input,.line-table select{min-width:78px}.line-table .desc{min-width:230px}.notice{padding:13px 15px;border-radius:9px;background:#e8f5ed;color:#17633f;margin-bottom:16px;border:1px solid #cbe8d8}.error{background:#fdeced;color:#9c2d2d;border-color:#f1ced1}.right{text-align:right}.totals-box{margin-left:auto;max-width:360px;background:#f7fafc;border:1px solid var(--border);border-radius:12px;padding:16px 20px}.totals-row{display:flex;justify-content:space-between;padding:7px 0}.totals-row.total{font-size:21px;font-weight:800;border-top:1px solid #cad6e0;margin-top:7px;padding-top:12px}.empty{padding:34px;text-align:center;color:var(--muted)}.customer-name{font-weight:800}.invoice-meta{color:var(--muted);font-size:13px;margin-top:6px}.summary-total{font-size:28px;font-weight:800;color:var(--nav)}@media(max-width:900px){.sidebar{width:190px}.content{margin-left:190px;width:calc(100% - 190px)}.cards,.grid3{grid-template-columns:1fr 1fr}.grid2{grid-template-columns:1fr}.main{padding:20px}}@media(max-width:620px){.sidebar{display:none}.content{margin-left:0;width:100%}.cards,.grid3{grid-template-columns:1fr}.topbar{padding:12px 16px}.main{padding:16px}.topbar span{display:none}}
.page-head,.section-head,.invoice-head,.actions,.row-actions,.inline-form,.upload-form{display:flex;align-items:center;justify-content:space-between;gap:12px}.page-head{margin-bottom:20px}.page-head p{margin:4px 0;color:#66758a}.section-head{align-items:flex-start}.search{display:flex;gap:8px}.search input{min-width:220px}.row-actions{justify-content:flex-start;white-space:nowrap}.row-actions form,.actions form{margin:0}.link{border:0;background:none;color:#2167b1;padding:0;cursor:pointer;font:inherit;font-weight:700}.danger{color:#b42318!important}.danger-btn{background:#b42318!important}.secondary{background:#eef4fa!important;color:#16324f!important}.success{background:#e9f9ef!important;color:#176b39!important}.form-grid .full{grid-column:1/-1}.actions{justify-content:flex-start}.card small{display:block;color:#6c7b8e;margin-top:4px}.summary-row{display:flex;justify-content:space-between;padding:7px 0;border-bottom:1px solid #e4ebf2}.summary-row.total{font-size:1.25rem;border-top:2px solid #16324f}.inline-form{justify-content:flex-start}.upload-form{justify-content:flex-start}.notice.success{border-color:#9bd8ae}.notice.error{background:#fff0f0;color:#a42020}.stats{grid-template-columns:repeat(4,minmax(0,1fr))}@media(max-width:900px){.page-head,.section-head,.invoice-head{align-items:flex-start;flex-direction:column}.stats{grid-template-columns:1fr 1fr}.search{width:100%}.search input{min-width:0;flex:1}}
.helper-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.helper-grid>div{background:#f5f8fb;border:1px solid #dce5ed;border-radius:10px;padding:16px}.muted{color:#687b8e}.btn.secondary{background:#eef4f9;color:#173b5e;border:1px solid #cbd9e5}@media(max-width:900px){.helper-grid{grid-template-columns:1fr}}

.login-body{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,#0e2a47,#1f628f);padding:24px}.login-card{width:min(440px,95vw);background:white;border-radius:18px;padding:36px;box-shadow:0 25px 60px rgba(0,0,0,.25)}.login-brand{margin-bottom:28px}.login-card h1{margin-bottom:4px}.login-btn{width:100%;margin-top:10px}.login-foot{text-align:center;color:#718096;font-size:12px;margin-top:24px}.logout-link{background:none;border:0;color:#dbeafe;padding:6px 0;cursor:pointer;text-decoration:underline}.top-actions{display:flex;gap:8px;align-items:center}.narrow{max-width:560px}.check{display:flex!important;align-items:center;gap:8px}.check input{width:auto}.payment-status-box{padding:22px;border-radius:14px;margin:12px 0 18px;border:1px solid}.payment-status-box.paid{background:#ecfdf3;border-color:#86efac}.payment-status-box.unpaid{background:#fff1f2;border-color:#fda4af}.payment-status-label{font-weight:800;font-size:26px}.payment-status-box.paid .payment-status-label{color:#15803d}.payment-status-box.unpaid .payment-status-label{color:#be123c}.wide{width:100%}.status.Paid{background:#dcfce7;color:#166534}.status.Unpaid{background:#fee2e2;color:#991b1b}.danger{color:#b91c1c!important}

/* v1.2.5 email delivery status */
.email-state{display:inline-block;padding:5px 10px;border-radius:999px;font-size:12px;font-weight:800;line-height:1}
.email-state.sent{background:#dcfce7;color:#166534}
.email-state.unsent{background:#f1f5f9;color:#64748b;border:1px solid #cbd5e1}
.email-time{margin-top:4px;font-size:11px;color:#64748b;white-space:nowrap}

.ai-panel{border:2px solid #d8e9f7}.ai-panel textarea{font-size:18px;line-height:1.5}

.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.grid-4 .card{text-align:center}.grid-4 small{font-size:14px}@media(max-width:1000px){.grid-4{grid-template-columns:1fr 1fr}}
.status.On-Hold{background:#fff3cd;color:#8a5a00}.hold-card{border-color:#f1d48b}.hold-card .icon{background:#fff3cd;color:#8a5a00}.net-card{border-color:#b9dfca}.dashboard-cards{grid-template-columns:repeat(4,1fr)}@media(max-width:1000px){.dashboard-cards{grid-template-columns:1fr 1fr}}@media(max-width:620px){.dashboard-cards{grid-template-columns:1fr}}


/* v1.6.2 usability: independently scrolling sidebar, compact invoice actions, easy receipt capture */
.sidebar{overflow:hidden;padding-bottom:0}
.sidebar nav{overflow-y:auto;overflow-x:hidden;min-height:0;flex:1;padding-right:5px;scrollbar-width:thin;scrollbar-color:#54728d transparent}
.sidebar nav::-webkit-scrollbar{width:7px}.sidebar nav::-webkit-scrollbar-thumb{background:#54728d;border-radius:8px}.sidebar nav::-webkit-scrollbar-track{background:transparent}
.sidebar-foot{flex:0 0 auto;background:linear-gradient(180deg,rgba(12,34,56,0),#0c2238 18%);padding-top:18px}
.content{min-width:0}.main{min-width:0}
.invoice-list-card{padding:14px}.invoice-table-wrap{overflow-x:auto;overflow-y:visible}.invoice-table{font-size:13px;table-layout:auto}.invoice-table th,.invoice-table td{padding:10px 9px}.invoice-table th:nth-child(3),.invoice-table td:nth-child(3),.invoice-table th:nth-child(4),.invoice-table td:nth-child(4){white-space:nowrap}.actions-col{width:110px;min-width:110px;position:relative}
.action-menu{position:relative;display:inline-block}.action-menu summary{list-style:none;cursor:pointer;color:#176fb5;font-weight:800;padding:8px 10px;border:1px solid #bfd2e3;border-radius:8px;background:#f7fbff;white-space:nowrap}.action-menu summary::-webkit-details-marker{display:none}.action-menu[open] summary{background:#eaf3fb}.action-menu-pop{position:absolute;right:0;top:calc(100% + 6px);z-index:40;min-width:175px;background:white;border:1px solid #d5e0e9;border-radius:10px;box-shadow:0 12px 30px rgba(16,43,70,.18);padding:7px}.action-menu-pop a,.menu-btn{display:block;width:100%;text-align:left;padding:9px 10px;border:0;background:white;color:#176fb5;text-decoration:none;font:inherit;font-weight:700;border-radius:7px;cursor:pointer}.action-menu-pop a:hover,.menu-btn:hover{background:#eef5fb}.menu-btn.hold{color:#946200}.menu-btn.resume{color:#177a4d}
.capture-panel{padding:28px}.hidden-file{position:absolute!important;width:1px!important;height:1px!important;opacity:0!important;pointer-events:none!important}.capture-actions{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:18px}.capture-btn{min-height:145px;border:1px solid #cfdeea;border-radius:16px;background:#f8fbfd;color:#173b5e;cursor:pointer;padding:18px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:7px;font:inherit;transition:.15s}.capture-btn:hover{transform:translateY(-1px);box-shadow:0 8px 20px rgba(20,42,68,.09);border-color:#7eafd2}.capture-btn.camera{background:#eef8ff}.capture-btn.scan{background:#f7f8ff}.capture-btn.upload{background:#f2fbf7}.capture-icon{font-size:32px}.capture-btn b{font-size:17px}.capture-btn small{font-size:12px;color:#687b8e}.selected-file{margin-top:14px;padding:11px 13px;background:#f5f8fb;border:1px dashed #c9d8e4;border-radius:9px;color:#687b8e}.verify-title{display:flex;justify-content:space-between;gap:16px;align-items:flex-start}.document-ready{display:inline-block;background:#e9f9ef;color:#176b39;padding:7px 10px;border-radius:999px;font-size:12px;font-weight:800;max-width:45%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
@media(max-width:1100px){.invoice-table th,.invoice-table td{padding:9px 7px;font-size:12px}.invoice-table th:nth-child(4),.invoice-table td:nth-child(4),.invoice-table th:nth-child(6),.invoice-table td:nth-child(6){display:none}.capture-actions{grid-template-columns:1fr 1fr}.capture-btn.upload{grid-column:1/-1}}
@media(max-width:760px){.capture-actions{grid-template-columns:1fr}.capture-btn.upload{grid-column:auto}.capture-btn{min-height:105px}.verify-title{flex-direction:column}.document-ready{max-width:100%}}

/* v1.6.3 camera + AI receipt reader */
.page-actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.capture-actions{grid-template-columns:repeat(4,minmax(160px,1fr))}.capture-btn.manual{text-decoration:none;color:inherit}.camera-modal{display:none;position:fixed;inset:0;background:rgba(5,20,35,.82);z-index:9999;align-items:center;justify-content:center;padding:20px}.camera-modal.open{display:flex}.camera-card{width:min(900px,96vw);background:white;border-radius:18px;padding:18px;box-shadow:0 25px 70px rgba(0,0,0,.35)}.camera-head{display:flex;justify-content:space-between;gap:16px;align-items:start;margin-bottom:12px}.camera-close{border:0;background:#eef4f9;border-radius:10px;width:42px;height:42px;font-size:28px;cursor:pointer}.camera-stage{position:relative;background:#091521;border-radius:14px;overflow:hidden;min-height:360px}.camera-stage video{width:100%;max-height:68vh;display:block;object-fit:contain}.scan-guide{display:none;position:absolute;inset:8% 18%;border:3px solid #52d6b4;border-radius:10px;box-shadow:0 0 0 9999px rgba(0,0,0,.20);pointer-events:none}.camera-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:14px}.warning{background:#fff5d9!important;color:#7b5600!important;border-color:#efd17a!important}@media(max-width:1000px){.capture-actions{grid-template-columns:repeat(2,1fr)}}@media(max-width:640px){.capture-actions{grid-template-columns:1fr}.camera-stage{min-height:260px}}
.report-export-actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-left:auto}.report-form{display:flex;gap:14px;align-items:end;flex-wrap:wrap}.report-form>label{min-width:170px}.report-form>label:first-child{flex:1 1 320px}.report-form .report-export-actions .btn{white-space:nowrap}@media(max-width:760px){.report-export-actions{width:100%}.report-export-actions .btn{flex:1 1 140px;text-align:center}}
@media print{.sidebar,.topbar,.report-controls .report-form>label,.report-controls .report-form>button,.report-export-actions{display:none!important}.content,.main{margin:0!important;padding:0!important;width:100%!important}.card{box-shadow:none!important;border:0!important}.page-head{margin-bottom:12px}.table-wrap{overflow:visible!important}body{background:#fff!important}}

/* v1.6.9 clickable dashboard quick navigation */
.dashboard-link{display:block;text-decoration:none;color:inherit;cursor:pointer;position:relative;transition:transform .12s ease,box-shadow .12s ease,border-color .12s ease}
.dashboard-link:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(15,23,42,.10);border-color:#93c5fd}
.dashboard-link:focus-visible{outline:3px solid #60a5fa;outline-offset:3px}
.dashboard-link small{color:#64748b}


/* v1.7.6 Mobile & Tablet Responsive */
.mobile-menu-btn{display:none;position:fixed;left:12px;top:12px;z-index:1102;width:44px;height:44px;border:1px solid #cbd9e5;border-radius:11px;background:#fff;color:#102b46;font-size:25px;line-height:1;box-shadow:0 5px 18px rgba(16,43,70,.16);cursor:pointer}.mobile-overlay{display:none}.mobile-url{font-size:22px;font-weight:800;color:#0f5f9e;background:#eef6fc;border:1px solid #cfe2f2;border-radius:10px;padding:14px 16px;word-break:break-all;margin:12px 0 18px}.mobile-steps{padding-left:22px;line-height:1.75}.mobile-feature-list{display:grid;gap:12px;font-weight:650;color:#34495e}.mobile-access-grid{align-items:start}

@media(max-width:1100px){
 .topbar{height:auto;min-height:76px;gap:12px;align-items:flex-start}.top-actions{flex-wrap:wrap;justify-content:flex-end}.top-actions .btn{padding:9px 12px;font-size:13px}
 .main{padding:22px}.cards,.dashboard-cards{grid-template-columns:repeat(2,minmax(0,1fr))}
 .report-form>label:first-child{flex-basis:100%}
}

@media(max-width:820px){
 body{overflow-x:hidden}.mobile-menu-btn{display:grid;place-items:center}.sidebar{display:flex!important;width:min(86vw,310px)!important;transform:translateX(-105%);transition:transform .22s ease;z-index:1101;box-shadow:10px 0 35px rgba(0,0,0,.22);padding-top:74px}.mobile-nav-open .sidebar{transform:translateX(0)}.mobile-nav-open .mobile-overlay{display:block;position:fixed;inset:0;background:rgba(6,22,38,.48);z-index:1100}.content{margin-left:0!important;width:100%!important}.topbar{position:sticky;top:0;padding:10px 12px 10px 68px;min-height:68px;align-items:center}.topbar>div:first-child{min-width:0}.topbar b{font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.topbar span{font-size:11px;display:block!important;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.topbar>div:first-child>div{font-size:10px!important}.top-actions{display:none}.main{padding:16px 12px}.page-head,.section-head,.invoice-head{gap:10px}.page-head h1,.invoice-head h1,h1{font-size:26px}.page-head .btn,.page-head .actions{width:100%}.page-head .actions .btn{flex:1;text-align:center}.grid2,.grid3,.helper-grid{grid-template-columns:1fr}.cards,.dashboard-cards,.stats,.grid-4{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.card,.panel{padding:16px;border-radius:12px}.kpi{font-size:25px}.table-wrap,.invoice-table-wrap{border-radius:10px;-webkit-overflow-scrolling:touch}.table-wrap table,.invoice-table{min-width:760px}.invoice-list-card{padding:10px}.actions-col{position:sticky;right:0;background:#fff;box-shadow:-5px 0 10px rgba(16,43,70,.05)}.form-grid,.report-form{display:grid!important;grid-template-columns:1fr!important;width:100%}.report-form>label,.report-form>label:first-child{min-width:0!important;width:100%;flex:none}.report-export-actions{margin-left:0;width:100%;display:grid;grid-template-columns:1fr 1fr}.report-export-actions .btn{width:100%}.line-table{min-width:880px}.totals-box{max-width:none;width:100%}.capture-panel{padding:18px}.capture-actions{grid-template-columns:1fr 1fr}.camera-card{width:100%;padding:12px;border-radius:14px}.camera-stage{min-height:220px}.camera-actions .btn{flex:1;text-align:center}.login-body{padding:12px}.login-card{padding:26px 20px;border-radius:16px}.login-card h1{font-size:29px}.mobile-access-grid{grid-template-columns:1fr}
}

@media(max-width:560px){
 .cards,.dashboard-cards,.stats,.grid-4{grid-template-columns:1fr}.card{min-height:auto}.kpi{font-size:28px}.main{padding:14px 10px}.page-head h1,.invoice-head h1,h1{font-size:24px}.btn{min-height:44px;padding:11px 14px}.actions{width:100%;display:grid;grid-template-columns:1fr 1fr}.actions>.btn,.actions>form,.actions>form .btn{width:100%;text-align:center}.report-export-actions{grid-template-columns:1fr}.capture-actions{grid-template-columns:1fr}.capture-btn{min-height:92px;flex-direction:row;justify-content:flex-start;text-align:left}.capture-icon{font-size:27px}.capture-btn b{font-size:16px}.capture-btn small{display:block}.topbar{padding-right:8px}.table-wrap table,.invoice-table{min-width:700px}.form-section h2{font-size:17px}input,select,textarea{font-size:16px;padding:12px} /* prevents iOS auto zoom */ .mobile-url{font-size:18px}.sidebar-foot{font-size:12px}.sidebar a{padding:13px 14px}
}

@media(max-width:390px){.main{padding:12px 8px}.card,.panel{padding:14px}.mobile-menu-btn{left:8px;top:9px}.topbar{padding-left:60px}.page-head h1,h1{font-size:22px}}