:root{--ink:#172033;--muted:#6b7280;--line:#e7eaf0;--bg:#f5f7fb;--card:#fff;--primary:#246bfd;--primary-dark:#1652ce;--green:#0f9f6e;--red:#dc3d4b;--orange:#e98216;--sidebar:#111a2d;--radius:16px;--shadow:0 8px 30px rgba(20,34,66,.07)}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:"Noto Sans Bengali","Hind Siliguri",system-ui,-apple-system,sans-serif;font-size:15px}.app-shell{min-height:100vh}.sidebar{position:fixed;inset:0 auto 0 0;width:268px;background:var(--sidebar);color:#dfe7f7;padding:22px 16px;z-index:1030;display:flex;flex-direction:column;overflow-y:auto}.brand-wrap{display:flex;align-items:center;gap:11px;padding:0 8px 22px;border-bottom:1px solid rgba(255,255,255,.09)}.brand-mark,.login-brand>span{width:42px;height:42px;border-radius:13px;display:grid;place-items:center;background:linear-gradient(135deg,#4f87ff,#2bd8a7);font-size:24px;color:#fff;font-weight:800}.brand-wrap strong{display:block;color:#fff;font-size:16px}.brand-wrap small,.profile-mini small{display:block;color:#93a3c2;font-size:12px;margin-top:2px}.sidebar-close{display:none;margin-left:auto;background:transparent;border:0;color:#fff;font-size:26px}.profile-mini{display:flex;align-items:center;gap:10px;margin:18px 5px;padding:12px;border-radius:13px;background:rgba(255,255,255,.06)}.profile-mini img,.profile-mini>span{width:40px;height:40px;border-radius:50%;object-fit:cover;background:#31415f;display:grid;place-items:center;font-weight:700}.profile-mini strong{display:block;color:#fff;max-width:160px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sidebar-nav{display:grid;gap:5px}.sidebar-nav a{color:#b9c5da;text-decoration:none;padding:11px 13px;border-radius:10px;display:flex;align-items:center;gap:11px;font-weight:600}.sidebar-nav a span{width:20px;text-align:center;color:#8da7d7}.sidebar-nav a:hover,.sidebar-nav a.active{background:#246bfd;color:#fff}.sidebar-nav a.active span{color:#fff}.sidebar-bottom{margin-top:auto;padding:18px 8px 0;border-top:1px solid rgba(255,255,255,.09);display:flex;justify-content:space-between;gap:8px}.sidebar-bottom a,.sidebar-bottom button{color:#aab8d0;background:transparent;border:0;text-decoration:none;padding:0;font-size:13px}.content-wrap{margin-left:268px;min-height:100vh}.topbar{height:88px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:14px 30px;gap:16px;position:sticky;top:0;z-index:1000}.topbar h1{font-size:22px;margin:0;font-weight:800}.topbar p{font-size:13px;color:var(--muted);margin:3px 0 0}.menu-button{display:none;border:1px solid var(--line);background:#fff;border-radius:10px;width:40px;height:40px}.notification-button{position:relative;margin-left:auto;width:42px;height:42px;display:grid;place-items:center;border:1px solid var(--line);border-radius:12px;text-decoration:none;color:var(--ink);font-size:22px}.notification-button b{position:absolute;right:-5px;top:-6px;background:var(--red);color:#fff;font-size:10px;min-width:19px;height:19px;border-radius:12px;display:grid;place-items:center;padding:0 4px}.page-content{padding:28px;max-width:1600px;margin:0 auto}.card{border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.card-header{background:#fff;border-bottom:1px solid var(--line);padding:18px 20px;border-radius:var(--radius) var(--radius) 0 0!important}.card-body{padding:20px}.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-bottom:22px}.stat-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:19px;box-shadow:var(--shadow);position:relative;overflow:hidden}.stat-card small{display:block;color:var(--muted);font-weight:600;margin-bottom:8px}.stat-card strong{font-size:25px;line-height:1.1}.stat-card em{font-style:normal;display:block;font-size:12px;color:var(--muted);margin-top:7px}.stat-card:after{content:"";position:absolute;width:60px;height:60px;border-radius:50%;right:-18px;top:-18px;background:rgba(36,107,253,.09)}.stat-card.green:after{background:rgba(15,159,110,.11)}.stat-card.red:after{background:rgba(220,61,75,.1)}.stat-card.orange:after{background:rgba(233,130,22,.12)}.page-actions{display:flex;justify-content:flex-end;align-items:center;gap:10px;margin-bottom:18px}.page-actions .btn{white-space:nowrap}.content-grid{display:grid;grid-template-columns:2fr 1fr;gap:20px}.table{margin-bottom:0}.table>:not(caption)>*>*{padding:.82rem .75rem;border-bottom-color:var(--line);vertical-align:middle}.table th{font-size:12px;text-transform:uppercase;color:#718096;letter-spacing:.02em;background:#fafbfc}.table td{font-size:14px}.table-responsive{border-radius:0 0 var(--radius) var(--radius)}.money{font-variant-numeric:tabular-nums;font-weight:700;white-space:nowrap}.text-due{color:var(--red)}.text-paid{color:var(--green)}.status{display:inline-flex;align-items:center;border-radius:999px;padding:4px 9px;font-size:12px;font-weight:700;background:#edf2f7;color:#596579}.status.accepted,.status.paid,.status.active,.status.posted{background:#e7f8f2;color:#087954}.status.pending,.status.partial{background:#fff4df;color:#a55b08}.status.rejected,.status.cancelled,.status.inactive,.status.void{background:#fdebec;color:#b42937}.status.due,.status.overdue{background:#fff0f1;color:#c33443}.status.waived,.status.refunded,.status.partially_refunded{background:#eef0ff;color:#5154b8}.filter-card{margin-bottom:20px}.filter-grid{display:grid;grid-template-columns:repeat(5,minmax(130px,1fr));gap:12px;align-items:end}.form-label{font-size:13px;font-weight:700;color:#465167;margin-bottom:6px}.form-control,.form-select{border-color:#dfe3eb;border-radius:10px;min-height:42px}.form-control:focus,.form-select:focus{border-color:#78a1ff;box-shadow:0 0 0 .2rem rgba(36,107,253,.12)}.form-section{margin-bottom:24px}.form-section-title{font-size:16px;font-weight:800;border-bottom:1px solid var(--line);padding-bottom:10px;margin-bottom:16px}.stack-form{display:grid;gap:18px}.checkbox-list{max-height:330px;overflow:auto;border:1px solid var(--line);border-radius:12px;padding:10px}.checkbox-row{display:flex;align-items:center;gap:10px;padding:9px 8px;border-bottom:1px solid #f1f3f6}.checkbox-row:last-child{border:0}.avatar{width:38px;height:38px;border-radius:50%;object-fit:cover;background:#e7ecf7;display:inline-grid;place-items:center;font-weight:800;color:#37517e}.detail-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px}.detail-item{padding:13px;border:1px solid var(--line);border-radius:12px}.detail-item small{display:block;color:var(--muted);font-size:12px}.detail-item strong{display:block;margin-top:4px}.empty-state{text-align:center;padding:45px 15px;color:var(--muted)}.empty-state strong{display:block;color:var(--ink);font-size:17px;margin-bottom:6px}.account-pill{display:flex;justify-content:space-between;gap:15px;border:1px solid var(--line);padding:13px;border-radius:12px;margin-bottom:10px}.account-pill:last-child{margin-bottom:0}.nav-tabs{border-bottom-color:var(--line)}.nav-tabs .nav-link{color:var(--muted);font-weight:700;border:0;border-bottom:3px solid transparent}.nav-tabs .nav-link.active{color:var(--primary);border-bottom-color:var(--primary)}.btn{border-radius:10px;font-weight:700}.btn-primary{background:var(--primary);border-color:var(--primary)}.btn-primary:hover{background:var(--primary-dark);border-color:var(--primary-dark)}.login-page{min-height:100vh;display:grid;place-items:center;padding:20px;background:radial-gradient(circle at top right,#dbe8ff 0,transparent 38%),linear-gradient(135deg,#f7f9fd,#eef4ff)}.login-panel{width:min(460px,100%);background:#fff;border:1px solid var(--line);border-radius:22px;padding:34px;box-shadow:0 20px 70px rgba(25,53,110,.13)}.login-brand{display:flex;align-items:center;gap:13px;margin-bottom:28px}.login-brand h1{font-size:22px;margin:0;font-weight:800}.login-brand p{margin:3px 0 0;color:var(--muted);font-size:13px}.login-help{text-align:center;color:var(--muted);font-size:12px;margin:20px 0 0}.sidebar-backdrop{display:none}.proof-preview{max-width:100%;max-height:360px;border-radius:12px}.pagination{margin:18px 0 0}.alert{border-radius:12px}.quick-links{display:flex;flex-wrap:wrap;gap:10px}.quick-links a{text-decoration:none}.danger-zone{border:1px solid #ffd7da;background:#fffafb;border-radius:12px;padding:16px}
@media(max-width:1100px){.stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.filter-grid{grid-template-columns:repeat(3,minmax(130px,1fr))}.content-grid{grid-template-columns:1fr}}
@media(max-width:800px){.sidebar{transform:translateX(-100%);transition:transform .22s ease}.sidebar.open{transform:translateX(0)}.sidebar.open~.sidebar-backdrop{display:block;position:fixed;inset:0;background:rgba(10,18,33,.5);z-index:1020}.sidebar-close,.menu-button{display:block}.content-wrap{margin-left:0}.topbar{height:76px;padding:12px 16px}.topbar h1{font-size:19px}.page-content{padding:18px 14px}.filter-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:560px){body{font-size:14px}.stat-grid{grid-template-columns:1fr 1fr;gap:10px}.stat-card{padding:15px}.stat-card strong{font-size:19px}.filter-grid,.detail-list{grid-template-columns:1fr}.page-actions{justify-content:flex-start;overflow-x:auto}.card-body{padding:15px}.login-panel{padding:24px 19px}.topbar p{display:none}.table td,.table th{white-space:nowrap}}