:root{--erp-color-primary:#0f4c81;--erp-color-primary-contrast:#fff;--erp-color-background:#f5f7fa;--erp-color-surface:#fff;--erp-color-text:#1f2933;--erp-color-muted:#616e7c;--erp-color-danger:#b42318;--erp-color-border:#d9e2ec;--erp-radius:8px;--erp-font-family:system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", "Noto Sans Bengali", sans-serif}*{box-sizing:border-box}body{background:var(--erp-color-background);min-height:100vh;color:var(--erp-color-text);font-family:var(--erp-font-family);margin:0}.erp-shell{justify-content:center;align-items:center;min-height:100vh;padding:24px;display:flex}.erp-card{background:var(--erp-color-surface);border:1px solid var(--erp-color-border);border-radius:var(--erp-radius);width:100%;max-width:380px;padding:28px}.erp-card h1{color:var(--erp-color-primary);margin:0 0 4px;font-size:1.4rem}.erp-card p{color:var(--erp-color-muted);margin:0 0 20px}.erp-field{flex-direction:column;gap:6px;margin-bottom:14px;font-size:.9rem;display:flex}.erp-field input{border:1px solid var(--erp-color-border);border-radius:var(--erp-radius);font:inherit;padding:10px 12px}.erp-button{border-radius:var(--erp-radius);background:var(--erp-color-primary);width:100%;color:var(--erp-color-primary-contrast);font:inherit;cursor:pointer;border:0;padding:11px 12px;font-weight:600}.erp-button:disabled{opacity:.6;cursor:wait}.erp-error{color:var(--erp-color-danger);margin:0 0 14px;font-size:.9rem}.erp-dashboard{max-width:1100px;margin:0 auto;padding:24px}.erp-topbar{justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:20px;display:flex}.erp-topbar h1{color:var(--erp-color-primary);margin:0 0 4px;font-size:1.4rem}.erp-muted{color:var(--erp-color-muted);margin:0}.erp-button-small{width:auto;padding:8px 14px}.erp-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px;display:grid}.erp-panel{max-width:none;padding:18px}.erp-panel h2{color:var(--erp-color-primary);margin:0 0 10px;font-size:1rem}.erp-stat{border-top:1px solid var(--erp-color-border);justify-content:space-between;gap:12px;padding:6px 0;font-size:.92rem;display:flex}.erp-stat-label{color:var(--erp-color-muted)}.erp-stat-value{font-weight:600}:root{--erp-color-accent:#1e7b4a}.erp-logo{object-fit:contain;max-width:160px;max-height:56px;margin-bottom:12px;display:block}.erp-school-name{color:var(--erp-color-accent);letter-spacing:.02em;text-transform:uppercase;margin:0 0 4px;font-size:.85rem;font-weight:600}.erp-app{min-height:100vh;display:flex}.erp-sidebar{background:var(--erp-color-surface);border-right:1px solid var(--erp-color-border);flex:0 0 220px;padding:20px 16px}.erp-sidebar nav{flex-direction:column;gap:4px;margin-top:16px;display:flex}.erp-nav-link{border-radius:var(--erp-radius);color:var(--erp-color-text);padding:8px 10px;text-decoration:none}.erp-nav-link:hover{background:var(--erp-color-background)}.erp-nav-active{background:var(--erp-color-primary);color:var(--erp-color-primary-contrast)}.erp-nav-active:hover{background:var(--erp-color-primary)}.erp-main{flex:auto;min-width:0;padding:20px 24px}.erp-page-title{color:var(--erp-color-primary);margin:0 0 4px;font-size:1.4rem}.erp-page-subtitle{margin-bottom:16px}@media (max-width:720px){.erp-app{flex-direction:column}.erp-sidebar{border-right:0;border-bottom:1px solid var(--erp-color-border);flex:none}.erp-sidebar nav{flex-flow:wrap}.erp-main{padding:16px}}.erp-success{color:var(--erp-color-accent);margin:0 0 14px;font-size:.9rem}.erp-section{max-width:none;margin-bottom:16px;padding:18px}.erp-section h2{color:var(--erp-color-primary);margin:0 0 12px;font-size:1.05rem}.erp-table-wrap{margin-bottom:12px;overflow-x:auto}.erp-table{border-collapse:collapse;width:100%;font-size:.92rem}.erp-table th,.erp-table td{border-bottom:1px solid var(--erp-color-border);text-align:left;vertical-align:top;padding:8px 10px}.erp-table th{color:var(--erp-color-muted);font-weight:600}.erp-form-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));align-items:end;gap:0 16px;display:grid}.erp-form-grid .erp-wide{grid-column:1/-1}.erp-field select{border:1px solid var(--erp-color-border);border-radius:var(--erp-radius);font:inherit;background:var(--erp-color-surface);padding:10px 12px}.erp-actions{flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:14px;display:flex}.erp-toolbar{margin-bottom:16px}.erp-row-actions{white-space:nowrap}.erp-link-button{color:var(--erp-color-primary);font:inherit;cursor:pointer;background:0 0;border:0;margin-right:12px;padding:0;text-decoration:underline}.erp-link-button:disabled{color:var(--erp-color-muted);cursor:wait}.erp-check{align-items:center;gap:6px;margin-bottom:14px;font-size:.92rem;display:flex}.erp-check-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:0 16px;display:grid}.erp-fieldset{border:1px solid var(--erp-color-border);border-radius:var(--erp-radius);margin:0 0 14px;padding:10px 12px 0}.erp-checklist{margin:0;padding:0;list-style:none}.erp-checklist li{padding:6px 0}.erp-badge{text-align:center;border-radius:999px;min-width:54px;padding:2px 8px;font-size:.78rem;font-weight:600;display:inline-block}.erp-done .erp-badge{background:var(--erp-color-accent);color:#fff}.erp-todo .erp-badge{background:var(--erp-color-border);color:var(--erp-color-text)}.erp-filters{margin-bottom:8px}.erp-subheading{color:var(--erp-color-text);margin:18px 0 8px;font-size:.95rem}.erp-button-secondary{background:var(--erp-color-surface);color:var(--erp-color-primary);border:1px solid var(--erp-color-primary)}.erp-register-counts{margin:0 0 12px;font-weight:600}.erp-register{margin:0;padding:0;list-style:none}.erp-register-row{border-top:1px solid var(--erp-color-border);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px 16px;padding:10px 0;display:flex}.erp-register-name{min-width:180px}.erp-register-choices{flex-wrap:wrap;gap:6px;display:flex}.erp-pill{border:1px solid var(--erp-color-border);cursor:pointer;-webkit-user-select:none;user-select:none;border-radius:999px;align-items:center;min-height:40px;padding:0 14px;font-size:.9rem;display:inline-flex;position:relative}.erp-pill input{opacity:0;width:1px;height:1px;position:absolute}.erp-pill:focus-within{outline:2px solid var(--erp-color-primary);outline-offset:2px}.erp-pill:has(input:checked){color:#fff;border-color:#0000;font-weight:600}.erp-pill-present:has(input:checked){background:#1e7b4a}.erp-pill-absent:has(input:checked){background:#b42318}.erp-pill-late:has(input:checked){background:#9a6700}.erp-pill-leave:has(input:checked){background:#475467}.erp-pill:has(input:disabled){cursor:default}.erp-register-save{padding:12px 0 calc(12px + env(safe-area-inset-bottom,0px));background:var(--erp-color-surface);margin-bottom:0;position:sticky;bottom:0}.erp-tabs{border-bottom:1px solid var(--erp-color-border);flex-wrap:wrap;gap:6px;margin-bottom:16px;display:flex}.erp-tab{color:var(--erp-color-muted);font:inherit;cursor:pointer;background:0 0;border:0;border-bottom:3px solid #0000;padding:8px 14px}.erp-tab-active{border-bottom-color:var(--erp-color-primary);color:var(--erp-color-primary);font-weight:600}.erp-invoice{border-bottom:1px solid var(--erp-color-border);margin-bottom:12px;padding-bottom:8px}.erp-receipt{border:1px solid var(--erp-color-border);border-radius:var(--erp-radius);background:var(--erp-color-surface);max-width:148mm;padding:16px}.erp-receipt-head{align-items:center;gap:12px;margin-bottom:12px;display:flex}.erp-receipt-head h1{margin:0;font-size:1.2rem}.erp-receipt-head p{color:var(--erp-color-muted);margin:2px 0 0}.erp-receipt-grid{grid-template-columns:max-content 1fr;gap:4px 16px;margin:0 0 12px;display:grid}.erp-receipt-grid dt{color:var(--erp-color-muted)}.erp-receipt-grid dd{margin:0}.erp-receipt-amount{font-size:1.1rem;font-weight:700}.erp-receipt-sign{text-align:right;color:var(--erp-color-muted);margin:36px 0 0}@media print{@page{size:A5;margin:10mm}.erp-sidebar,.erp-topbar,.erp-no-print{display:none}.erp-main{padding:0}.erp-receipt{border:0;max-width:none}}.erp-voucher-signs{color:var(--erp-color-muted);justify-content:space-between;gap:16px;margin-top:40px;font-size:.9rem;display:flex}.erp-voucher-signs p{border-top:1px solid var(--erp-color-border);text-align:center;flex:1 1 0;margin:0;padding-top:6px}.erp-colour{align-items:center;gap:8px;display:flex}.erp-colour input[type=color]{border:1px solid var(--erp-color-border);border-radius:var(--erp-radius);background:var(--erp-color-surface);width:48px;height:40px;padding:2px}.erp-brand-preview{border-radius:var(--erp-radius);background:var(--erp-color-primary);color:var(--erp-color-primary-contrast);flex-direction:column;gap:4px;margin-bottom:14px;padding:14px 16px;display:flex}.erp-brand-preview span{background:#fff;border-radius:4px;align-self:flex-start;padding:2px 6px;font-weight:600}