.parent-header{background:#047857;color:#fff;padding:1rem;border-radius:8px;margin-bottom:1rem}.parent-nav{display:flex;flex-wrap:wrap;gap:.6rem;margin-top:.8rem}.parent-nav .nav-item{background:#e5e7eb;padding:.5rem .9rem;border-radius:6px;text-decoration:none;color:#111827;font-size:.9rem}.parent-nav .nav-item.active{background:#059669;color:#fff}.parent-section{background:#fff;padding:1rem;border-radius:8px;margin-top:1rem;box-shadow:0 2px 4px #00000014}.parent-list-item{padding:.7rem;border-bottom:1px solid #e5e7eb}.parent-list-item:hover{background:#f3f4f6}.parent-button{padding:.6rem 1rem;background:#059669;color:#fff;border:none;border-radius:6px;cursor:pointer;margin-top:.5rem}.parent-button:hover{background:#047857}@media (max-width: 600px){.parent-nav{flex-direction:column}}.page-container{padding:20px;max-width:900px;margin:auto;font-family:Arial,sans-serif}.tuition-table th,.tuition-table td{border:1px solid black;padding:8px}.tuition-table th{background:#f0f0f0;font-weight:700}.btn-print-page{padding:10px 15px;background:#444;color:#fff;border-radius:5px;border:none;cursor:pointer;margin-bottom:20px}.btn-print-page:hover{background:#333}#print-area{background:#fff;padding:20px;margin:auto}@media print{.btn-print-page{display:none!important}#print-area{max-width:480px;margin:0 auto;padding:20px;border:1px solid #000;font-family:Courier New,Courier,monospace;font-size:14px;line-height:1.4}#print-area h2,#print-area h3,#print-area h4{text-align:center;margin:5px 0}.receipt-divider{border-bottom:1px dotted #000;margin:10px 0}@page{margin:15mm}@page{@bottom-left{content:"xotonic.com";font-size:12px}@bottom-right{content:"Page " counter(page) " of " counter(pages);font-size:12px}}}.teacher-header,.layout-header{background:#1d4ed8;color:#fff;padding:1rem;border-radius:8px;margin-bottom:1rem}.teacher-nav,.layout-nav{display:flex;flex-wrap:wrap;gap:.6rem;margin-top:.8rem}.teacher-nav .nav-item,.layout-nav .nav-item{background:#e5e7eb;padding:.5rem .9rem;border-radius:6px;text-decoration:none;color:#111827;font-size:.9rem}.teacher-nav .nav-item.active,.layout-nav .nav-item.active{background:#1d4ed8;color:#fff}.teacher-section,.layout-content{background:#fff;padding:1rem;border-radius:8px;margin-top:1rem;box-shadow:0 2px 4px #00000014}.teacher-list-item,.list-item{padding:.7rem;border-bottom:1px solid #e5e7eb}.teacher-list-item:hover,.list-item:hover{background:#f3f4f6}.teacher-button,button{padding:.6rem 1rem;background:#1d4ed8;color:#fff;border:none;border-radius:6px;cursor:pointer;margin-top:.5rem}.teacher-button:hover,button:hover{background:#1e40af}@media (max-width: 600px){.teacher-nav,.layout-nav{flex-direction:column}}.volunteer-header,.layout-header{background:#7c3aed;color:#fff;padding:1rem;border-radius:8px;margin-bottom:1rem}.volunteer-nav,.layout-nav{display:flex;flex-wrap:wrap;gap:.6rem;margin-top:.8rem}.volunteer-nav .nav-item,.layout-nav .nav-item{background:#e5e7eb;padding:.5rem .9rem;border-radius:6px;text-decoration:none;color:#111827;font-size:.9rem}.volunteer-nav .nav-item.active,.layout-nav .nav-item.active{background:#7c3aed;color:#fff}.volunteer-section,.layout-content{background:#fff;padding:1rem;border-radius:8px;margin-top:1rem;box-shadow:0 2px 4px #00000014}.volunteer-list-item,.list-item{padding:.7rem;border-bottom:1px solid #e5e7eb}.volunteer-list-item:hover,.list-item:hover{background:#f3f4f6}.volunteer-button,button{padding:.6rem 1rem;background:#7c3aed;color:#fff;border:none;border-radius:6px;cursor:pointer;margin-top:.5rem}.volunteer-button:hover,button:hover{background:#5b21b6}@media (max-width: 600px){.volunteer-nav,.layout-nav{flex-direction:column}}.vol-print-btn{padding:8px 14px;background:#007bff;color:#fff;border:none;border-radius:6px;cursor:pointer;margin-bottom:15px}.vol-search-box{padding:8px;width:260px;border-radius:6px;border:1px solid #ccc;margin-bottom:15px;display:block}.vol-btn-in{padding:6px 12px;background:green;color:#fff;border:none;border-radius:4px}.vol-btn-out{padding:6px 12px;background:red;color:#fff;border:none;border-radius:4px}@media print{body *{display:none!important}#volunteer-print-area,#volunteer-print-area *{display:block!important;visibility:visible!important}.vol-btn-in,.vol-btn-out,.vol-print-btn,.vol-search-box{display:none!important}table{width:100%;border-collapse:collapse}table th,table td{border:1px solid black;padding:6px}}.admin-header{background:linear-gradient(135deg,#1e3a8a,#3b82f6);color:#fff;padding:1.2rem 1.5rem;border-radius:10px;margin-bottom:1.2rem;box-shadow:0 4px 10px #0000001f}.admin-nav{display:flex;flex-wrap:wrap;gap:.7rem;margin-top:1rem;justify-content:space-between}.admin-nav .nav-item{background:#f3f4f6;padding:.55rem 1rem;border-radius:8px;text-decoration:none;color:#1f2937;font-size:.92rem;font-weight:500;transition:all .2s ease;border:1px solid #e5e7eb;flex:1;text-align:center}.admin-nav .nav-item:hover{background:#e0e7ff;color:#1e3a8a}.admin-nav .nav-item.active{background:#2563eb;color:#fff;border-color:#2563eb;box-shadow:0 2px 6px #2563eb4d}.admin-section{background:#fff;padding:1.2rem;border-radius:10px;margin-top:1.2rem;box-shadow:0 3px 8px #00000014;border:1px solid #e5e7eb}.admin-list{margin-top:1rem}.admin-list-item{padding:.8rem;border-bottom:1px solid #e5e7eb;cursor:pointer;transition:background .15s ease}.admin-list-item:hover{background:#f9fafb}.admin-info-card{background:#f8fafc;padding:1.1rem;border-radius:10px;margin-top:1rem;border:1px solid #e2e8f0;box-shadow:0 2px 6px #0000000d}.admin-button{padding:.65rem 1.2rem;background:#2563eb;color:#fff;border:none;border-radius:8px;cursor:pointer;margin-top:.6rem;font-size:.95rem;font-weight:600;transition:background .2s ease,transform .1s ease}.admin-button:hover{background:#1d4ed8;transform:translateY(-1px)}.admin-button:active{transform:translateY(0)}@media (max-width: 600px){.admin-nav{flex-direction:column;justify-content:flex-start}.admin-nav .nav-item{flex:none;width:100%}}.students-page{padding:20px}.students-search{display:flex;gap:10px;margin-bottom:15px}.students-search input{padding:8px;width:250px;border:1px solid #ccc;border-radius:4px}.students-search button{padding:8px 12px;border:1px solid #aaa;border-radius:4px;cursor:pointer;background:#ddd}.print-btn{margin-left:auto;background:#444!important;color:#fff}.students-table{width:100%;border-collapse:collapse;font-size:14px}.students-table th,.students-table td{border:1px solid #ccc;padding:6px;text-align:left}.students-table th{background:#f0f0f0;cursor:pointer}.students-table tr.even{background:#fafafa}.students-table tr.odd{background:#fff}.edit-btn{background:#007bff;color:#fff;border:none;padding:5px 10px;border-radius:4px;cursor:pointer}.activate-btn{background:green;color:#fff;border:none;padding:5px 10px;border-radius:4px}.deactivate-btn{background:orange;color:#fff;border:none;padding:5px 10px;border-radius:4px}.info-btn{background:#444;color:#fff;border:none;padding:5px 10px;border-radius:4px}.picture-btn{background:#06c;color:#fff;border:none;padding:5px 10px;border-radius:4px}.status-active{font-weight:700;color:green}.status-inactive{font-weight:700;color:red}.admin-page{padding:20px;max-width:1200px;margin:auto;font-family:Arial,sans-serif}.search-input{padding:8px;width:260px;border:1px solid #ccc;border-radius:4px}.btn-clear{padding:8px 12px;background:#ddd;border:1px solid #aaa;border-radius:4px;cursor:pointer}.parent-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px;margin-top:20px}.parent-card{padding:12px;background:#f7f7f7;border:1px solid #ccc;border-radius:6px;cursor:pointer;text-align:center;font-size:16px;font-weight:700;transition:.2s;color:#000}.parent-card:hover{background:#eaeaea}.parent-name{font-weight:400;color:#555}.btn-back{margin-bottom:15px;padding:8px 12px;background:#444;color:#fff;border-radius:4px;cursor:pointer}.btn-back:hover{background:#333}.info-table{width:100%;border-collapse:collapse;margin-top:10px}.info-table td{padding:10px;border:1px solid #ccc}.info-table .label{background:#f5f5f5;font-weight:700;width:40%}.info-table .value{background:#fff}.session-row{margin:15px 0;display:flex;gap:10px;align-items:center}.session-row select{padding:6px}.add-session-wrapper{margin-bottom:20px}.btn-add-session{padding:6px 12px;background:#007bff;color:#fff;border-radius:4px;cursor:pointer}.btn-add-session:hover{background:#0069d9}.add-session-row{display:flex;gap:10px;align-items:center;margin-top:10px}.btn-confirm{padding:6px 12px;background:#28a745;color:#fff;border-radius:4px;cursor:pointer}.btn-confirm:hover{background:#218838}.btn-cancel{padding:6px 12px;background:#dc3545;color:#fff;border-radius:4px;cursor:pointer}.btn-cancel:hover{background:#c82333}.tuition-table{width:100%;border-collapse:collapse;margin-top:10px}.tuition-table th,.tuition-table td{padding:10px;border:1px solid #ccc}.tuition-table th{background:#e8e8e8;font-weight:700}.tuition-table input,.tuition-table select{width:100%;padding:6px;box-sizing:border-box}.total-save-row{margin-top:15px;display:flex;justify-content:space-between;align-items:center}.btn-save{padding:8px 16px;background:#28a745;color:#fff;border-radius:4px;cursor:pointer}.btn-save:hover{background:#218838}.tuition-message{margin-top:10px;font-weight:700;color:#444}.history-wrapper{margin-top:20px}.history-table{width:100%;border-collapse:collapse;margin-bottom:20px;border:1px solid #ccc}.history-table th,.history-table td{padding:10px;border:1px solid #ccc}.history-session-header{background:#e8e8e8;font-size:1rem;padding:12px;text-align:left;font-weight:700}.pay-page{padding:20px;max-width:900px;margin:auto;font-family:Arial,sans-serif}h2,h3,h4{margin-bottom:10px;color:#333}.btn-back{padding:8px 12px;background:#ccc;border:1px solid #888;border-radius:5px;cursor:pointer;margin-bottom:15px}.btn-back:hover{background:#bbb}.btn-clear:hover{background:#ccc}.family-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:15px;margin-top:20px}.family-card{padding:15px;background:#f7f7f7;border:1px solid #000000;border-radius:6px;cursor:pointer;text-align:center;transition:.2s}.family-card:hover{background:#eaeaea}.family-number{font-size:24px;font-weight:700;color:#000}.family-name{font-size:14px;color:#555;margin-top:5px}.remaining{margin-top:10px;font-weight:700}.remaining.green{color:green}.remaining.red{color:red}.details-card{margin-top:20px;padding:20px;border:1px solid #ccc;border-radius:6px;background:#fff}.session-table{width:100%;border-collapse:collapse;margin-top:10px}.session-table th,.session-table td{padding:10px;border:1px solid #ccc}.session-table th{background:#e8e8e8;font-weight:700}.session-selected{background:#eef!important}.paid-badge{color:green;font-weight:700;margin-left:10px}.payment-form{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin-top:15px}.payment-form input,.payment-form select,.payment-form textarea{width:100%;padding:8px;border:1px solid #bbb;border-radius:5px;box-sizing:border-box}.comment-box{grid-column:span 2}.payment-form textarea{height:80px;resize:none}.btn-pay{grid-column:span 2;padding:10px;background:#28a745;color:#fff;border-radius:5px;cursor:pointer;border:none;font-size:16px}.btn-pay:hover{background:#218838}.message{margin-top:15px;font-weight:700;color:#444}.financial-page{padding:20px;max-width:1200px;margin:auto;font-family:Arial,sans-serif}.search-row{display:flex;gap:10px;margin-bottom:15px}.search-input{width:300px;padding:8px;border:1px solid #ccc;border-radius:5px}.btn-clear{padding:8px 12px;background:#ddd;border:1px solid #aaa;border-radius:5px;cursor:pointer}.main-table{width:100%;border-collapse:collapse}.main-table th,.main-table td{border:1px solid #000;padding:8px}.main-table th{background:#f0f0f0}.family-row{cursor:pointer}.row-owing{background:#ffe5e5}.row-paid{background:#e6ffe6}.expand-indicator{font-weight:700;margin-right:8px}.remaining-cell{font-weight:700}.remaining-cell.red{color:red}.remaining-cell.green{color:green}.details-row td{background:#fafafa;padding:15px}.sub-table{width:100%;border-collapse:collapse;margin-top:10px}.sub-table th,.sub-table td{border:1px solid #ccc;padding:8px}.sub-table th{background:#e8e8e8}.totals-row{background:#e8e8e8;font-weight:700}.btn-print{padding:4px 8px;background:#444;color:#fff;border-radius:4px;cursor:pointer;border:none}.print-hidden{height:0;overflow:hidden}.receipt-wrapper{padding:20px;font-size:16px}@media print{body *{visibility:hidden!important}#print-area,#print-area *{visibility:visible!important}#print-area{position:absolute;top:0;left:0;width:100%}}.teacher-edit-container{max-width:900px;margin:0 auto;padding:20px}.back-btn{padding:6px 12px;background:#eee;border:1px solid #ccc;border-radius:4px;margin-bottom:20px;cursor:pointer}.card{background:#fff;padding:20px;border-radius:8px;border:1px solid #ddd;margin-bottom:20px}.teacher-name{font-size:18px;font-weight:700}.teacher-email{margin-top:-10px;margin-bottom:20px}.teacher-img{width:120px;height:120px;border-radius:8px;object-fit:cover;margin-bottom:10px}.label{display:block;margin-bottom:10px}.input{width:100%;padding:8px;border:1px solid #ccc;border-radius:4px;margin-top:4px;margin-bottom:10px}.file-input{margin-top:4px}.entry-row{margin-bottom:10px}.add-btn{padding:8px 12px;background:#1976d2;color:#fff;border:none;border-radius:4px;margin-top:10px;cursor:pointer}.delete-btn{padding:6px 10px;background:#d32f2f;color:#fff;border:none;border-radius:4px;margin-left:10px;cursor:pointer}.levels-grid{display:flex;flex-wrap:wrap;gap:10px}.level-tag{padding:6px 12px;border-radius:6px;background:#ccc;color:#fff;cursor:pointer}.level-tag.checked{background:#4caf50}.compliance-tag{display:block;padding:10px;border-radius:6px;color:#fff;margin-bottom:10px}.compliance-tag.good{background:#4caf50}.compliance-tag.bad{background:#f44336}.action-row{margin-top:20px;display:flex;gap:10px}.save-btn{padding:10px 20px;background:#1976d2;color:#fff;border:none;border-radius:6px;cursor:pointer}.delete-teacher-btn{padding:10px 20px;background:#d32f2f;color:#fff;border:none;border-radius:6px;cursor:pointer}.status-page{padding:20px;font-family:Arial,sans-serif}.status-navbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.status-navbar button{padding:8px 12px;background:#444;color:#fff;border:none;border-radius:4px;cursor:pointer}.status-search{margin-bottom:15px}.status-search input{padding:8px;width:260px;border:1px solid #ccc;border-radius:4px}.status-table{width:100%;border-collapse:collapse;font-size:14px}.status-table th,.status-table td{border:1px solid #ccc;padding:8px}.status-table th{background:#f0f0f0}.status-table tr.even{background:#fafafa}.status-table tr.odd{background:#fff}.active{color:green;font-weight:700}.inactive{color:red;font-weight:700}.activate-btn{background:green;color:#fff;padding:6px 12px;border:none;border-radius:4px}.deactivate-btn{background:orange;color:#fff;padding:6px 12px;border:none;border-radius:4px}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background-color:#f5f5f5;color:#222}.app-container{min-height:100vh}.page-container{max-width:900px;margin:0 auto;padding:1rem}.form-card,.list-card{background:#fff;padding:1rem;margin-top:1rem;border-radius:8px;box-shadow:0 2px 4px #0000000f}label{display:block;margin-bottom:.75rem;font-size:.9rem}input,select,textarea{width:100%;padding:.5rem;margin-top:.25rem;border-radius:4px;border:1px solid #ccc}button{padding:.6rem 1.2rem;border-radius:4px;border:none;background:#2563eb;color:#fff;cursor:pointer;margin-top:.5rem}button:hover{background:#1d4ed8}.list-item{border-bottom:1px solid #eee;padding:.5rem 0}.info-text{color:#16a34a;margin-top:.5rem}.error-text{color:#dc2626;margin-top:.5rem}.back-to-top1{position:fixed;bottom:1.5rem;right:1.5rem;width:3rem;height:3rem;border-radius:999px;background:#111827;color:#fff;border:none;font-size:1.2rem}.back-to-top2{position:fixed;bottom:-8px;left:10px;width:17.5em;height:2rem;background:#111827;color:#fff;font-size:13px}@media (max-width: 600px){.page-container{padding:.75rem}}