:root{--primary: #15803d;--primary-hover: #166534;--primary-soft: #dcfce7;--primary-soft-text: #14532d;--brand-accent: #16a34a;--secondary: #2563eb;--success: #10b981;--warning: #f59e0b;--danger: #ef4444;--bg-app: #f8fafc;--bg-header: rgba(255, 255, 255, .82);--bg-card: rgba(255, 255, 255, .88);--bg-card-hover: #f1f5f9;--border-color: #e2e8f0;--text-main: #0f172a;--text-muted: #64748b;--radius-sm: 8px;--radius-md: 8px;--radius-lg: 8px;--shadow-sm: 0 1px 3px rgba(15, 23, 42, .08), 0 1px 2px rgba(15, 23, 42, .04);--shadow-md: 0 12px 28px rgba(15, 23, 42, .12);--font-body: Inter, system-ui, -apple-system, sans-serif;--font-heading: Outfit, Inter, system-ui, sans-serif}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:var(--bg-app);color:var(--text-main);font-family:var(--font-body);line-height:1.5}a{color:inherit;text-decoration:none}.skip-link{position:fixed;top:8px;left:8px;z-index:100;padding:10px 14px;color:#fff;background:var(--text-main);transform:translateY(-150%)}.skip-link:focus{transform:translateY(0)}.app-layout{display:flex;flex-direction:column;height:100vh;overflow:hidden}.top-bar{position:sticky;top:0;z-index:50;background:var(--bg-header);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border-color);padding:.6rem 1.25rem}.top-bar-container{display:flex;align-items:center;justify-content:space-between;max-width:100%}.brand-link{display:flex;align-items:center;gap:.75rem;font-family:var(--font-heading)}.logo-icon{width:36px;height:36px;border-radius:8px;background:var(--brand-accent);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:.9rem}.brand-text{display:flex;flex-direction:column}.brand-name{font-weight:800;font-size:1.15rem;line-height:1.1;color:var(--text-main)}.brand-tag{font-size:.68rem;font-weight:600;text-transform:uppercase;color:var(--text-muted)}.app-body{display:flex;flex:1;overflow:hidden}.sidebar{width:260px;background:var(--bg-card);border-right:1px solid var(--border-color);display:flex;flex-direction:column;overflow-y:auto;padding:1rem .75rem;flex-shrink:0}.sidebar-nav{display:flex;flex-direction:column;gap:.25rem}.nav-hub-title{font-size:.68rem;font-weight:800;text-transform:uppercase;letter-spacing:.8px;color:var(--text-muted);padding:.85rem .75rem .35rem}.nav-item{display:flex;align-items:center;gap:.65rem;padding:.55rem .85rem;border-radius:8px;font-size:.85rem;font-weight:600;color:var(--text-main);transition:all .15s ease}.nav-item:hover{background:var(--bg-card-hover);color:var(--brand-accent)}.nav-item.active{background:var(--primary-soft);color:var(--primary-soft-text);font-weight:700}.nav-icon{width:18px;height:18px;flex-shrink:0}@media(max-width:768px){.sidebar{display:none}.sidebar[aria-expanded=true]{display:flex;position:fixed;top:60px;left:0;bottom:0;z-index:100;width:280px;box-shadow:var(--shadow-md)}}.quick-action-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin-bottom:1.5rem}.quick-action-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:1rem 1.25rem;display:flex;align-items:center;gap:.85rem;box-shadow:var(--shadow-sm);transition:transform .15s ease,box-shadow .15s ease}.quick-action-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:var(--brand-accent)}.header-container,.main-content{width:min(1400px,calc(100% - 32px));margin:0 auto}.header-container{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:16px}.brand,.nav,.user-badge{display:flex;align-items:center;gap:12px}.brand,.account-actions{flex:0 0 auto}.nav{flex:1 1 auto;min-width:0;flex-wrap:wrap;justify-content:center;gap:4px}.child-switcher{display:grid;gap:2px;flex:0 1 230px;padding:6px 10px;border:1px solid var(--border-color);border-radius:var(--radius-md);background:var(--bg-card);box-shadow:var(--shadow-sm)}.child-switcher label{color:var(--text-muted);font-size:.68rem;font-weight:800;text-transform:uppercase}.child-switcher select{min-width:0;border:0;color:var(--text-main);background:transparent;font:inherit;font-weight:700}.child-switcher select:focus-visible{outline:3px solid #f59e0b;outline-offset:4px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.logo-icon{width:44px;height:44px;border-radius:6px;display:grid;place-items:center;color:#fff;background:var(--brand-accent);font-weight:800}.brand-name{display:block;font-family:var(--font-heading);font-size:1.25rem;font-weight:800}.brand-logo{width:44px;height:44px;-o-object-fit:contain;object-fit:contain}.account-actions{display:flex;align-items:center;gap:10px;font-size:.85rem}.link-button{border:0;background:transparent;color:var(--primary);cursor:pointer;font:inherit;font-weight:700}.nav-toggle{display:none;min-width:44px;min-height:44px;border:1px solid var(--border-color);background:#fff;color:var(--text-main);font:inherit;font-weight:700}.brand-tag,.muted{color:var(--text-muted);font-size:.82rem}.nav a,.btn{border-radius:var(--radius-md);padding:10px 14px;font-size:.9rem;font-weight:700}.nav a:hover,.btn-outline:hover{background:var(--bg-card-hover)}.main-content{padding:24px 0 48px}.page-heading,.licence-strip{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:24px}.page-heading h1{margin:2px 0;font-family:var(--font-heading)}.page-heading p{margin:0;color:var(--text-muted)}.licence-strip{padding:16px 20px;background:#ecfdf5;border:1px solid #a7f3d0;border-left:5px solid var(--primary)}.licence-strip>div{display:grid;gap:3px}.licence-strip span{color:var(--text-muted);font-size:.8rem}.empty-state{min-height:180px;display:grid;align-content:center}.portal-banner{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:24px;padding:28px 32px;border-radius:var(--radius-lg);color:#fff;background:#14532d;box-shadow:var(--shadow-md)}.portal-banner h1,.card-title,.metric-value{font-family:var(--font-heading)}.portal-banner h1{margin:0 0 4px;font-size:1.85rem}.portal-banner p{margin:0;opacity:.9}.btn{display:inline-flex;align-items:center;justify-content:center;border:0;cursor:pointer}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover)}.btn-light{background:#fff3;color:#fff}.btn-outline{background:transparent;border:1px solid var(--border-color)}.btn-danger{color:#b91c1c;background:#fff;border:1px solid #fecaca}.btn:focus-visible,.form-control:focus-visible,a:focus-visible,.nav-toggle:focus-visible{outline:3px solid #f59e0b;outline-offset:2px}.metrics-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:16px;margin-bottom:24px}.metric-card,.content-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.metric-card{padding:20px}.metric-label{color:var(--text-muted);font-weight:700;font-size:.82rem}.metric-value{margin-top:8px;font-size:1.9rem;font-weight:800}.portal-grid{display:grid;grid-template-columns:2fr 1fr;gap:20px}.content-card{padding:22px;margin-bottom:20px}.card-header-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}.card-title{margin:0;font-size:1.12rem;font-weight:800}.table-responsive{overflow-x:auto}.custom-table{width:100%;border-collapse:collapse;font-size:.9rem}.custom-table th,.custom-table td{padding:12px 14px;border-bottom:1px solid var(--border-color);text-align:left}.custom-table th{background:var(--bg-card-hover);color:var(--text-muted);font-size:.78rem;text-transform:uppercase}.badge{display:inline-flex;padding:4px 10px;border-radius:999px;font-size:.75rem;font-weight:800}.badge-paid,.badge-present,.badge-active{color:var(--success);background:#10b9811f}.badge-pending,.badge-part_paid{color:var(--warning);background:#f59e0b1f}.badge-unpaid,.badge-suspended,.badge-delivery-failed,.badge-revoked{color:var(--danger);background:#ef44441f}.badge-accepted{color:var(--success);background:#10b9811f}.badge-expired,.badge-replaced{color:#475569;background:#e2e8f0}.form-grid-2{display:grid;grid-template-columns:1fr 1fr;gap:14px}.form-group{margin-bottom:14px}.form-label{display:block;margin-bottom:6px;color:var(--text-muted);font-size:.8rem;font-weight:800}.form-control{width:100%;padding:10px 12px;border:1px solid var(--border-color);border-radius:var(--radius-sm);background:var(--bg-app);color:var(--text-main)}.form-control:disabled{color:var(--text-main);opacity:1;background:#f8fafc}.form-actions{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-top:16px}.form-grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.split-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.batch-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(420px,100%),1fr));gap:20px}.editable-row{display:grid;grid-template-columns:1.2fr 1fr 1fr auto auto auto;align-items:end;gap:10px;padding:14px 0;border-bottom:1px solid var(--border-color)}.editable-row.compact{grid-template-columns:1fr 1.5fr auto auto}.date-summary{display:none}.inline-form{display:grid;grid-template-columns:minmax(0,2fr) minmax(140px,1fr) auto;align-items:end;gap:10px;margin-top:18px}.list-row small{display:block;color:var(--text-muted);margin-top:3px}.tabs{position:sticky;top:72px;z-index:10;display:flex;gap:6px;overflow-x:auto;margin-bottom:20px;padding:8px;background:var(--bg-app);border-bottom:1px solid var(--border-color)}.tabs a{min-height:40px;display:inline-flex;align-items:center;padding:8px 12px;white-space:nowrap;color:var(--primary);font-weight:700}.week-grid{display:grid;grid-template-columns:repeat(7,minmax(150px,1fr));gap:10px;overflow-x:auto;padding-bottom:8px}.week-grid>section{min-height:150px;padding:10px;background:#f8fafc;border-top:3px solid var(--primary)}.week-grid h3{margin:0 0 10px;font-size:.85rem}.class-slot{display:grid;gap:4px;margin-bottom:8px;padding:10px;background:#fff;border:1px solid var(--border-color)}.register-row{display:grid;grid-template-columns:minmax(180px,1fr) minmax(360px,2fr) minmax(180px,1fr);align-items:center;gap:14px;padding:16px 0;border:0;border-bottom:1px solid var(--border-color)}.register-row legend{display:grid;float:left;width:100%}.register-row legend span{color:var(--text-muted);font-size:.8rem}.status-options{display:grid;grid-template-columns:repeat(4,1fr);gap:6px}.status-options label{cursor:pointer}.status-options input{position:absolute;opacity:0}.status-options span:not(.sr-only){min-height:48px;display:grid;place-items:center;border:1px solid var(--border-color);border-radius:var(--radius-sm);font-size:1rem;font-weight:800}.status-options input:checked+span{color:#fff;background:var(--primary);border-color:var(--primary)}.status-options input:focus-visible+span{outline:3px solid #f59e0b;outline-offset:2px}.attendance-quick-actions{justify-content:space-between;padding:12px;border:1px solid #bbf7d0;background:var(--primary-soft)}.attendance-quick-actions .btn{min-height:48px}.attendance-quick-actions .field-help{margin:0;color:var(--primary-soft-text)}.insights-grid,.teacher-dashboard-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:20px}.class-list-item{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(130px,1fr) auto;align-items:center;gap:14px;padding:14px 0;border-bottom:1px solid var(--border-color)}.class-list-item>div{display:grid;gap:3px}.class-list-item span{color:var(--text-muted);font-size:.82rem}.chart-bars{display:grid;gap:14px}.chart-bars>div>span{display:flex;justify-content:space-between;margin-bottom:5px}.bar-track{height:14px;background:#e2e8f0}.bar-track i{display:block;height:100%;background:var(--primary)}.bar-track .bar-absent{background:#dc2626}.bar-track .bar-late{background:#d97706}.bar-track .bar-excused{background:#2563eb}.comparison-row{display:flex;justify-content:space-between;padding:12px 0;border-bottom:1px solid var(--border-color)}.inline-link{margin:0}.date-format-hint{display:block;margin-top:5px}.alert-warning{color:#854d0e;background:#fefce8;border:1px solid #fde047}.invoice-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.35fr);gap:20px;align-items:start}.search-control{display:grid;grid-template-columns:1fr auto;gap:8px}.lookup-results{display:grid;gap:6px;margin-top:12px}.lookup-result{min-height:44px;padding:10px 12px;text-align:left;border:1px solid var(--border-color);background:#fff;color:var(--text-main);cursor:pointer}.lookup-result:hover,.lookup-result:focus-visible{border-color:var(--primary);background:var(--bg-card-hover)}.student-summary{margin-top:16px;padding:16px;border-left:4px solid var(--primary);background:#f8fafc}.student-summary h3{margin:0}.invoice-total{display:flex;justify-content:space-between;align-items:center;margin-top:18px;padding:16px;background:#ecfdf5;border-left:4px solid var(--primary)}.invoice-total strong{font-size:1.35rem}.invoice-detail{max-width:900px;margin-inline:auto}.invoice-detail-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;padding-bottom:20px;border-bottom:1px solid var(--border-color)}.invoice-detail-header strong{display:block;margin-top:4px;font-size:2rem}.invoice-breakdown{width:min(420px,100%);margin:28px 0 0 auto}.invoice-breakdown>div{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px solid var(--border-color)}.invoice-breakdown .total{font-size:1.15rem;border-bottom:3px double var(--text-main)}.invoice-notes{margin-top:28px;padding-top:20px;border-top:1px solid var(--border-color)}.invoice-list{display:grid;gap:16px}.invoice-card{padding:20px;border:1px solid var(--border-color);border-radius:var(--radius-md);background:var(--bg-card);box-shadow:var(--shadow-sm);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.invoice-card-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.invoice-card-heading h2{margin:3px 0;font-size:1.08rem}.invoice-card-heading p{margin:0;color:var(--text-muted)}.invoice-card-totals{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:18px 0}.invoice-card-totals div{padding:12px;border-left:3px solid var(--border-color);background:var(--bg-card-hover)}.invoice-card-totals .outstanding{border-color:var(--primary);background:var(--primary-soft)}.invoice-card-totals dt{color:var(--text-muted);font-size:.75rem;font-weight:800;text-transform:uppercase}.invoice-card-totals dd{margin:3px 0 0;color:var(--text-main);font-weight:800}.invoice-card-actions{display:flex;align-items:center;flex-wrap:wrap;gap:10px}.btn-upi{min-height:48px}.receipt-link{color:var(--primary);font-weight:700;text-decoration:underline;text-underline-offset:3px}.badge-test{color:#14532d;background:#dcfce7;border:1px solid #86efac}.payment-dialog{width:min(520px,calc(100% - 24px));max-height:calc(100dvh - 24px);padding:24px;overflow-y:auto;border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-main);background:var(--bg-card);box-shadow:var(--shadow-md)}.payment-dialog::backdrop{background:#0f172ab8;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.dialog-close-form{position:absolute;top:12px;right:12px}.icon-button{width:44px;height:44px;border:1px solid var(--border-color);border-radius:50%;color:var(--text-main);background:var(--bg-card);cursor:pointer;font-size:1.4rem}.icon-button:focus-visible{outline:3px solid #f59e0b;outline-offset:2px}.dialog-heading{padding-right:48px}.dialog-heading h2{margin:3px 0}.dialog-heading p:last-child{margin:0 0 14px;color:var(--text-muted)}.fee-breakdown{margin:20px 0}.fee-breakdown>div{display:flex;justify-content:space-between;gap:16px;padding:10px 0;border-bottom:1px solid var(--border-color)}.fee-breakdown dd{margin:0;font-weight:700}.fee-breakdown .total{padding-top:14px;color:var(--primary-soft-text);font-size:1.08rem;border-bottom:3px double currentColor}.payment-error{min-height:24px;margin-bottom:0;color:#b91c1c}.alert{margin-bottom:18px;padding:12px 14px;border-radius:var(--radius-sm);background:#10b9811f;color:#047857;font-weight:700}.alert-danger,.field-error{color:#b91c1c}.alert-danger{background:#fef2f2}.field-error{margin:6px 0 0;font-size:.8rem}.section-title{margin:24px 0 14px;padding-top:18px;border-top:1px solid var(--border-color)}.colour-input{min-height:44px;padding:4px}.pricing-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:16px}.pricing-card{border-top:4px solid var(--primary)}.list-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 0;border-bottom:1px solid var(--border-color)}.auth-shell{min-height:70vh;display:grid;place-items:center}.auth-panel{width:min(440px,100%);padding:32px;background:#fff;border:1px solid var(--border-color);border-top:5px solid var(--primary);box-shadow:var(--shadow-md)}.auth-panel h1{margin:4px 0 8px;font-family:var(--font-heading)}.eyebrow{margin:0;color:var(--primary);font-size:.78rem;font-weight:800;text-transform:uppercase}.full-width{width:100%}.text-link{display:inline-block;margin-top:14px;color:var(--primary);font-weight:700}.narrow-card{max-width:720px}.student-identity,.student-profile-heading,.student-photo-editor{display:flex;align-items:center;gap:14px}.student-photo,.student-avatar{width:42px;height:42px;border-radius:50%;-o-object-fit:cover;object-fit:cover;flex:0 0 auto}.student-avatar{display:grid;place-items:center;background:#e2e8f0;color:#334155;font-weight:800}.student-photo-large{width:88px;height:88px}.student-photo-editor{margin-bottom:22px;padding-bottom:20px;border-bottom:1px solid var(--border-color)}.check-row{display:flex;gap:8px;margin-top:10px;font-size:.85rem}.readonly-value{display:block;padding:10px 12px;background:#f1f5f9;border-left:3px solid var(--primary)}.detail-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:18px;margin:0}.detail-grid dt{color:var(--text-muted);font-size:.78rem;font-weight:800}.detail-grid dd{margin:5px 0 0}.invitation-panel{max-width:560px}.invitation-panel p{line-height:1.6}.button-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}.filter-bar{display:grid;grid-template-columns:minmax(220px,2fr) repeat(3,minmax(150px,1fr)) auto;gap:12px;align-items:end}.filter-bar .form-actions{margin:0}.field-help{display:block;margin-top:5px;color:var(--text-muted);font-size:.78rem;font-weight:500}.form-span-2{grid-column:1 / -1}.badge-active{color:#166534;background:#dcfce7}.badge-archived,.badge-not_opened{color:#475569;background:#e2e8f0}.badge-incomplete{color:#92400e;background:#fef3c7}.badge-completed{color:#166534;background:#dcfce7}.badge-amended{color:#1e40af;background:#dbeafe}@media(max-width:900px){.header-container,.portal-banner,.page-heading,.licence-strip,.nav{align-items:flex-start;flex-direction:column}.portal-grid,.invoice-layout,.filter-bar,.form-grid-2,.form-grid-3,.split-grid,.insights-grid,.teacher-dashboard-grid,.class-list-item{grid-template-columns:1fr}.header-container{position:relative;min-height:64px;flex-direction:row;align-items:center;flex-wrap:wrap}.nav-toggle{display:inline-grid;place-items:center;margin-left:auto}.nav{display:none;width:100%;padding:8px 0 14px}.nav.is-open{display:flex}.nav a{width:100%}.account-actions{width:100%;justify-content:space-between;padding-bottom:12px}.child-switcher{order:3;flex-basis:100%;width:100%}.editable-row,.editable-row.compact,.inline-form,.register-row{grid-template-columns:1fr}.date-summary{display:block}.register-row legend{float:none}}@media(max-width:480px){.header-container,.main-content{width:min(100% - 20px,1400px)}.brand-tag,.account-actions>span{display:none}.brand-name{max-width:160px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.main-content{padding-top:16px}.content-card,.metric-card{padding:16px}.page-heading{align-items:stretch}.page-heading .btn{width:100%}.status-options{grid-template-columns:repeat(4,1fr)}.custom-table th,.custom-table td{padding:10px}.invoice-card{padding:16px}.invoice-card-heading{display:grid}.invoice-card-totals{grid-template-columns:1fr}.invoice-card-actions .btn{width:100%}.attendance-quick-actions{align-items:stretch}.attendance-quick-actions .btn{width:100%}}