:root{--bg:#f5f7f4;--card:#fff;--text:#1e2a22;--muted:#6b756f;--primary:#35694b;--primary-soft:#e7f1ea;--border:#dfe5e1;--danger:#b83a3a;--warning:#9a6b16;--shadow:0 10px 30px rgba(30,42,34,.07)}
*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text)}button,input,select{font:inherit}.app-shell{display:grid;grid-template-columns:250px minmax(0,1fr);min-height:100vh}.sidebar{background:#17261d;color:white;padding:22px 16px;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}.brand{display:flex;gap:12px;align-items:center;padding:0 8px 22px}.brand-mark{width:42px;height:42px;border-radius:12px;background:#d5a85f;color:#17261d;display:grid;place-items:center;font-weight:800}.brand span{display:block;font-size:12px;opacity:.7}.nav-menu{display:grid;gap:6px}.nav-group{display:grid;gap:4px}.sub-nav{display:grid;gap:3px;margin:0 0 4px 16px;padding-left:11px;border-left:1px solid rgba(255,255,255,.24)}.nav-item{border:0;background:transparent;color:#dce6df;text-align:left;padding:11px 12px;border-radius:9px;cursor:pointer}.nav-parent{font-weight:800;color:white}.sub-nav-item{font-size:14px;padding:9px 10px;color:#cbd8d0}.nav-item:hover,.nav-item.active{background:rgba(255,255,255,.11);color:white}.sidebar-footer{margin-top:auto;padding:12px 8px;opacity:.65}.main-content{padding:26px;min-width:0}.topbar{display:flex;justify-content:space-between;gap:20px;align-items:flex-start;margin-bottom:22px}.topbar h1{margin:0 0 4px;font-size:28px}.topbar-actions{display:flex;align-items:end;gap:10px;flex-wrap:wrap}.compact-field{display:grid;gap:5px;font-size:12px;color:var(--muted)}.compact-field input{padding:9px 10px;border:1px solid var(--border);border-radius:8px;background:white}.menu-toggle{display:none}.view{display:none}.view.active{display:block}.metric-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-bottom:16px}.metric{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:18px;box-shadow:var(--shadow)}.metric span{display:block;color:var(--muted);font-size:13px}.metric strong{display:block;margin-top:8px;font-size:24px}.metric.warning strong{color:var(--warning)}.metric.danger strong{color:var(--danger)}.grid{display:grid;gap:16px;margin-bottom:16px}.two-col{grid-template-columns:repeat(2,minmax(0,1fr))}.card{background:var(--card);border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow);padding:18px;margin-bottom:16px;overflow:hidden}.card-header{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:14px}.card h2{font-size:18px;margin:0}.muted{color:var(--muted);margin:0}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.three-col-form{grid-template-columns:repeat(3,minmax(0,1fr))}.form-grid label{display:grid;gap:6px;font-size:13px;color:var(--muted)}input,select{width:100%;padding:10px 11px;border:1px solid var(--border);border-radius:9px;background:white;color:var(--text)}input:focus,select:focus{outline:2px solid #bcd5c5;border-color:var(--primary)}.full{grid-column:1/-1}.btn{border:0;border-radius:9px;padding:10px 14px;cursor:pointer;font-weight:700}.btn-primary{background:var(--primary);color:white}.btn-secondary{background:#edf1ee;color:var(--text)}.btn-danger-outline{background:white;color:var(--danger);border:1px solid #efc7c7}.btn-small{padding:6px 9px;font-size:12px}.table-wrap{overflow:auto;border:1px solid var(--border);border-radius:10px}table{width:100%;border-collapse:collapse;min-width:720px}th,td{padding:11px 12px;border-bottom:1px solid var(--border);text-align:left;font-size:13px;vertical-align:top}th{background:#f7f9f7;color:#536159}tr:last-child td{border-bottom:0}.amount{text-align:right;white-space:nowrap}.badge{display:inline-flex;padding:4px 8px;border-radius:999px;font-size:12px;font-weight:700}.badge-paid{background:#e4f3e8;color:#26623b}.badge-unpaid{background:#fff0d6;color:#80570f}.badge-partial{background:#e8eef8;color:#365680}.badge-danger{background:#fae2e2;color:#a22c2c}.empty-state{text-align:center;color:var(--muted);padding:28px}.summary-list{display:grid;gap:10px}.summary-row{display:flex;justify-content:space-between;gap:12px;padding:9px 0;border-bottom:1px dashed var(--border)}.summary-row:last-child{border-bottom:0}.alert{padding:12px 14px;border-radius:10px;margin-bottom:14px}.alert-success{background:#e7f3e9;color:#285f3a}.alert-error{background:#fae6e6;color:#932f2f}.payment-card{border:1px solid var(--border);border-radius:11px;padding:14px;margin-bottom:10px}.payment-card-top{display:flex;justify-content:space-between;gap:16px;align-items:center}.payment-form{display:grid;grid-template-columns:1fr 1fr 1fr auto;gap:10px;margin-top:12px}.negative{color:var(--danger);font-weight:700}.positive{color:#26623b;font-weight:700}.report-section{margin:22px 0}.report-section h3{margin-bottom:10px}.report-summary{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.report-box{background:#f7f9f7;border:1px solid var(--border);padding:14px;border-radius:10px}.report-box span{display:block;color:var(--muted);font-size:12px}.report-box strong{display:block;font-size:20px;margin-top:5px}
@media(max-width:1000px){.metric-grid{grid-template-columns:repeat(2,1fr)}.two-col,.three-col-form{grid-template-columns:1fr}.app-shell{grid-template-columns:1fr}.sidebar{position:fixed;z-index:10;left:-270px;width:250px;transition:.25s}.sidebar.open{left:0}.main-content{padding:18px}.menu-toggle{display:inline-block;margin-right:8px;border:0;background:transparent;font-size:24px}.topbar{align-items:flex-start}.payment-form{grid-template-columns:1fr 1fr}.payment-form .btn{grid-column:1/-1}}
@media(max-width:650px){.metric-grid,.form-grid,.report-summary{grid-template-columns:1fr}.topbar{flex-direction:column}.topbar-actions{width:100%}.topbar-actions>*{flex:1}.main-content{padding:12px}.card{padding:14px}.metric strong{font-size:21px}}
@media print{.sidebar,.topbar,.report-actions .btn,#alertArea{display:none!important}.app-shell{display:block}.main-content{padding:0}.view{display:none!important}#reports{display:block!important}.card{box-shadow:none;border:0}.report-section{break-inside:avoid}}
.hidden{display:none!important}.auth-screen{min-height:100vh;display:grid;place-items:center;padding:24px;background:#f5f1e8}.auth-card{width:min(420px,100%);background:#fff;border:1px solid #e4ded2;border-radius:18px;padding:28px;box-shadow:0 18px 50px rgba(55,45,28,.12);display:grid;gap:16px}.auth-card label{display:grid;gap:7px;font-weight:600}.auth-card input{width:100%;padding:12px;border:1px solid #d8d0c2;border-radius:10px}.auth-brand{margin-bottom:6px}.auth-error{color:#b42318;background:#fef3f2;border:1px solid #fecdca;padding:10px;border-radius:8px}.auth-success{color:#067647;background:#ecfdf3;border:1px solid #abefc6;padding:10px;border-radius:8px}

.user-identity{display:grid;gap:1px;padding:7px 11px;border:1px solid var(--border);border-radius:9px;background:white;min-width:110px}.user-identity strong{font-size:13px}.user-identity span{font-size:11px;color:var(--muted)}
.form-grid small{font-size:11px;color:var(--muted);font-weight:400}
input[type=file]{padding:8px;background:#fafcfb}
.action-buttons{display:flex;gap:6px;flex-wrap:wrap}.action-buttons .btn{white-space:nowrap}

.hidden{display:none!important}.receipt-modal{position:fixed;inset:0;z-index:1000;display:grid;place-items:center;padding:20px}.receipt-modal-backdrop{position:absolute;inset:0;background:rgba(10,20,14,.72)}.receipt-modal-dialog{position:relative;z-index:1;width:min(1000px,96vw);height:min(820px,92vh);background:#fff;border-radius:14px;box-shadow:0 24px 70px rgba(0,0,0,.3);display:flex;flex-direction:column;overflow:hidden}.receipt-modal-header{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid var(--border)}.receipt-modal-header h2{margin:0;font-size:18px}.receipt-modal-close{border:0;background:#edf1ee;width:38px;height:38px;border-radius:9px;font-size:28px;line-height:1;cursor:pointer;color:var(--text)}.receipt-preview{flex:1;min-height:0;display:grid;place-items:center;background:#eef1ef;padding:14px}.receipt-preview img{max-width:100%;max-height:100%;object-fit:contain;border-radius:8px}.receipt-preview iframe{width:100%;height:100%;border:0;background:white;border-radius:8px}.receipt-preview-loading{color:var(--muted);font-weight:700}.receipt-preview-error{color:var(--danger);text-align:center}
@media(max-width:650px){.receipt-modal{padding:8px}.receipt-modal-dialog{width:100%;height:94vh;border-radius:10px}.receipt-preview{padding:8px}}
.pagination{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:12px;color:#5b6b62;font-size:13px}
.pagination>div{display:flex;gap:8px}
.pagination button:disabled{opacity:.45;cursor:not-allowed}
@media(max-width:720px){.pagination{align-items:flex-start;flex-direction:column}.pagination>div{width:100%}.pagination button{flex:1}}

.payment-group .btn-secondary{margin-top:10px}.payment-details{margin-top:10px}.payment-details .table-wrap{background:#fff}.payment-details table{min-width:650px}.payment-details th,.payment-details td{font-size:12px}