*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg-primary:#fff;--bg-secondary:#f8f8f7;--bg-tertiary:#f1f0eb;--text-primary:#1a1a18;--text-secondary:#6b6b67;--text-tertiary:#a0a09c;--border-light:rgba(0,0,0,.08);--border-med:rgba(0,0,0,.15);--blue-bg:#e6f1fb;--blue-text:#185fa5;--blue-border:#378add;--green-bg:#eaf3de;--green-text:#3b6d11;--green-border:#639922;--red-bg:#fcebeb;--red-text:#a32d2d;--red-border:#e24b4a;--amber-bg:#faeeda;--amber-text:#854f0b;--amber-border:#ba7517;--r-sm:6px;--r-md:8px;--r-lg:12px;--font:system-ui,-apple-system,"Segoe UI",sans-serif }body{font-family:var(--font);background:var(--bg-tertiary);color:var(--text-primary);font-size:14px}.app{display:flex;height:100vh;overflow:hidden}.sidebar{width:220px;background:var(--bg-primary);border-right:.5px solid var(--border-light);display:flex;flex-direction:column;flex-shrink:0;overflow-y:auto}.sidebar-logo{padding:18px 16px 14px;border-bottom:.5px solid var(--border-light)}.sidebar-logo h1{font-size:15px;font-weight:700;display:flex;align-items:center;gap:6px}.sidebar-logo p{font-size:11px;color:var(--text-secondary);margin-top:2px}.sidebar-user{padding:10px 14px;border-bottom:.5px solid var(--border-light);display:flex;align-items:center;gap:8px}.user-avatar{width:30px;height:30px;border-radius:50%;background:var(--blue-bg);color:var(--blue-text);display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;flex-shrink:0}.user-info p{font-size:13px;font-weight:500}.user-info span{font-size:11px;color:var(--text-secondary);background:var(--bg-secondary);border-radius:4px;padding:1px 6px}.nav{flex:1;padding:6px 0}.nav-section{padding:10px 16px 4px;font-size:10px;font-weight:700;color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.06em}.nav-item{display:flex;align-items:center;gap:8px;padding:7px 16px;cursor:pointer;font-size:13px;color:var(--text-secondary);transition:background .1s;-webkit-user-select:none;user-select:none}.nav-item:hover{background:var(--bg-secondary);color:var(--text-primary)}.nav-item.active{background:var(--blue-bg);color:var(--blue-text);font-weight:500}.nav-item i{font-size:16px;width:18px;flex-shrink:0}.logout-btn{padding:12px 16px;border-top:.5px solid var(--border-light);cursor:pointer;font-size:13px;color:var(--text-secondary);display:flex;align-items:center;gap:8px}.logout-btn:hover{background:var(--bg-secondary)}.main{flex:1;overflow-y:auto;display:flex;flex-direction:column;min-width:0}.topbar{background:var(--bg-primary);border-bottom:.5px solid var(--border-light);padding:12px 24px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:10;flex-shrink:0}.topbar h2{font-size:16px;font-weight:700}.content{padding:24px;flex:1}.btn{display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:var(--r-md);border:.5px solid var(--border-med);background:transparent;color:var(--text-primary);cursor:pointer;font-size:13px;font-family:var(--font);transition:background .1s;white-space:nowrap;text-decoration:none}.btn:hover:not(:disabled){background:var(--bg-secondary)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--blue-bg);color:var(--blue-text);border-color:var(--blue-border)}.btn-primary:hover:not(:disabled){background:#d0e6f7}.btn-success{background:var(--green-bg);color:var(--green-text);border-color:var(--green-border)}.btn-danger{background:var(--red-bg);color:var(--red-text);border-color:var(--red-border)}.btn-sm{padding:4px 10px;font-size:12px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:20px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:20px}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-bottom:20px}@media (max-width:960px){.grid-4,.grid-3{grid-template-columns:repeat(2,1fr)}.grid-2{grid-template-columns:1fr}}.metric{background:var(--bg-secondary);border-radius:var(--r-md);padding:14px 16px}.metric label{font-size:11px;color:var(--text-secondary);display:block;margin-bottom:4px;font-weight:600;text-transform:uppercase;letter-spacing:.03em}.metric .val{font-size:22px;font-weight:700}.metric .sub{font-size:11px;color:var(--text-secondary);margin-top:3px}.card{background:var(--bg-primary);border:.5px solid var(--border-light);border-radius:var(--r-lg);padding:16px;margin-bottom:16px}.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.card-header h3{font-size:14px;font-weight:700}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:13px}th{text-align:left;font-size:11px;font-weight:700;color:var(--text-secondary);padding:8px 10px;border-bottom:.5px solid var(--border-light);text-transform:uppercase;letter-spacing:.04em;white-space:nowrap;background:var(--bg-secondary)}td{padding:9px 10px;border-bottom:.5px solid var(--border-light);vertical-align:middle}tr:last-child td{border-bottom:none}tbody tr:hover td{background:var(--bg-secondary)}.badge{display:inline-flex;align-items:center;padding:2px 8px;border-radius:10px;font-size:11px;font-weight:700;white-space:nowrap}.badge-success{background:var(--green-bg);color:var(--green-text)}.badge-danger{background:var(--red-bg);color:var(--red-text)}.badge-warning{background:var(--amber-bg);color:var(--amber-text)}.badge-info{background:var(--blue-bg);color:var(--blue-text)}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}@media (max-width:600px){.form-row{grid-template-columns:1fr}}.form-group{margin-bottom:12px}.form-group label{display:block;font-size:12px;color:var(--text-secondary);margin-bottom:5px;font-weight:600}.form-group input,.form-group select,.form-group textarea{width:100%;padding:7px 10px;border:.5px solid var(--border-med);border-radius:var(--r-md);font-size:13px;font-family:var(--font);background:var(--bg-primary);color:var(--text-primary);outline:none}.form-group input:focus,.form-group select:focus{border-color:var(--blue-border);box-shadow:0 0 0 2px #378add26}.form-group select{cursor:pointer}.form-actions{display:flex;gap:8px;justify-content:flex-end;margin-top:16px;padding-top:12px;border-top:.5px solid var(--border-light)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000073;display:flex;align-items:center;justify-content:center;z-index:200;padding:16px}.modal{background:var(--bg-primary);border-radius:var(--r-lg);padding:20px;width:540px;max-width:100%;max-height:90vh;overflow-y:auto;box-shadow:0 8px 32px #00000026}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;padding-bottom:12px;border-bottom:.5px solid var(--border-light)}.modal-header h3{font-size:15px;font-weight:700}.section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;flex-wrap:wrap;gap:8px}.section-header h3{font-size:15px;font-weight:700}.tabs{display:flex;border-bottom:.5px solid var(--border-light);margin-bottom:20px;gap:0;overflow-x:auto}.tab{padding:8px 18px;cursor:pointer;font-size:13px;color:var(--text-secondary);border-bottom:2px solid transparent;margin-bottom:-.5px;transition:all .1s;white-space:nowrap}.tab:hover{color:var(--text-primary)}.tab.active{color:var(--blue-text);border-bottom-color:var(--blue-border);font-weight:600}.alert{padding:10px 14px;border-radius:var(--r-md);font-size:13px;margin-bottom:14px;display:flex;align-items:flex-start;gap:8px;line-height:1.5}.alert i{flex-shrink:0;margin-top:1px}.alert-warning{background:var(--amber-bg);color:var(--amber-text);border:.5px solid var(--amber-border)}.alert-info{background:var(--blue-bg);color:var(--blue-text);border:.5px solid var(--blue-border)}.alert-success{background:var(--green-bg);color:var(--green-text);border:.5px solid var(--green-border)}.alert-danger{background:var(--red-bg);color:var(--red-text);border:.5px solid var(--red-border)}.empty{text-align:center;padding:48px;color:var(--text-secondary);font-size:13px}.search-bar{display:flex;align-items:center;gap:6px;background:var(--bg-secondary);border:.5px solid var(--border-light);border-radius:var(--r-md);padding:6px 10px}.search-bar input{border:none;background:transparent;font-size:13px;font-family:var(--font);color:var(--text-primary);outline:none;width:180px}.summary-box{background:var(--bg-secondary);border-radius:var(--r-md);padding:10px 14px;margin-bottom:6px;display:flex;justify-content:space-between;font-size:13px;align-items:center}.receipt{border:1px dashed var(--border-med);border-radius:var(--r-lg);padding:24px;background:var(--bg-secondary)}.receipt-header{text-align:center;margin-bottom:16px;padding-bottom:12px;border-bottom:.5px solid var(--border-light)}.receipt-header h2{font-size:18px;font-weight:800;letter-spacing:.08em}.receipt-header p{font-size:12px;color:var(--text-secondary);margin-top:2px}.receipt-row{display:flex;justify-content:space-between;padding:5px 0;font-size:13px;border-bottom:.5px solid rgba(0,0,0,.04)}.receipt-row:last-child{border:none}.receipt-total{display:flex;justify-content:space-between;padding:12px 0;font-size:15px;font-weight:800;border-top:1.5px solid var(--border-med);margin-top:8px}.arrear-row{background:var(--amber-bg);color:var(--amber-text);border-radius:var(--r-md);padding:8px 12px;margin:6px 0;display:flex;justify-content:space-between;font-size:13px;align-items:center}code{font-family:monospace;font-size:11px;background:var(--bg-secondary);padding:1px 5px;border-radius:4px}.spinner{display:inline-block;width:18px;height:18px;border:2px solid var(--border-med);border-top-color:var(--blue-text);border-radius:50%;animation:spin .6s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.loading-overlay{display:flex;align-items:center;justify-content:center;padding:64px;gap:10px;color:var(--text-secondary)}.fancy-doc{background:#fff;border:1px solid #e0e0e0;border-radius:12px;padding:32px;max-width:680px;margin:0 auto;font-family:var(--font);box-shadow:0 2px 12px #00000014}.fancy-doc-header{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;flex-wrap:wrap}.fancy-doc-logo{display:flex;align-items:center;gap:14px}.fancy-doc-logo-circle{width:52px;height:52px;border-radius:50%;background:linear-gradient(135deg,#185fa5,#378add);display:flex;align-items:center;justify-content:center;color:#fff;font-size:24px;flex-shrink:0}.fancy-doc-school-name{font-size:16px;font-weight:800;color:#1a1a18;letter-spacing:.04em}.fancy-doc-school-sub{font-size:12px;color:#6b6b67;margin-top:2px;text-transform:uppercase;letter-spacing:.06em}.fancy-doc-meta{min-width:200px}.fancy-doc-meta-row{display:flex;justify-content:space-between;gap:16px;padding:3px 0;font-size:12px;color:#6b6b67}.fancy-doc-meta-val{font-weight:600;color:#1a1a18;white-space:nowrap}.fancy-doc-divider{height:3px;background:linear-gradient(90deg,#185fa5,#378add,#e6f1fb);border-radius:2px;margin:20px 0}.fancy-bill-to{background:#f8f8f7;border-radius:8px;padding:14px 18px;margin-bottom:20px;border-left:4px solid #378add}.fancy-bill-label{font-size:10px;font-weight:800;color:#6b6b67;text-transform:uppercase;letter-spacing:.08em;margin-bottom:6px}.fancy-bill-name{font-size:17px;font-weight:800;color:#1a1a18;margin-bottom:4px}.fancy-bill-detail{font-size:12px;color:#6b6b67;margin-top:2px}.fancy-table{width:100%;border-collapse:collapse;margin-bottom:0;font-size:13px}.fancy-table thead tr{background:linear-gradient(135deg,#185fa5,#378add)}.fancy-table thead th{color:#fff;padding:10px 12px;text-align:left;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.05em}.fancy-table tbody tr{border-bottom:1px solid #f1f0eb}.fancy-table tbody tr:hover{background:#f8f8f7}.fancy-table tbody td{padding:10px 12px;color:#1a1a18}.fancy-table tfoot tr td{padding:10px 12px}.fancy-subtotal td{background:#f8f8f7;font-size:13px;color:#6b6b67}.fancy-arrear-row td{background:#faeeda;color:#854f0b;font-size:13px}.fancy-total-row td{background:#185fa5;color:#fff;font-size:14px;font-weight:700}.fancy-balance-row td{background:#fcebeb;color:#a32d2d;font-size:14px;font-weight:800}.fancy-balance-row.paid td{background:#eaf3de;color:#3b6d11}.fancy-words{background:#f8f8f7;border-radius:8px;padding:12px 16px;margin-top:16px;margin-bottom:16px;border:1px dashed #d0d0cc}.fancy-words-label{font-size:11px;font-weight:700;color:#6b6b67;text-transform:uppercase;letter-spacing:.05em;margin-right:8px}.fancy-words-text{font-size:13px;color:#1a1a18;font-style:italic;font-weight:600}.fancy-payment-strip{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:16px;padding:12px 16px;background:#f1f0eb;border-radius:8px}.fancy-payment-item{display:flex;align-items:center;gap:6px;font-size:13px;color:#1a1a18;font-weight:500}.fancy-payment-item i{color:#185fa5;font-size:16px}.fancy-doc-footer{display:flex;justify-content:space-between;align-items:flex-end;flex-wrap:wrap;gap:12px;padding-top:16px;border-top:1px solid #f1f0eb;margin-top:4px}.fancy-footer-note{font-size:12px;color:#6b6b67;max-width:380px;line-height:1.6}.fancy-stamp{display:inline-block;padding:6px 18px;border-radius:6px;font-size:13px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;border:2.5px solid}.fancy-stamp.paid{color:#3b6d11;border-color:#639922;background:#6499221a}.fancy-stamp.partial{color:#854f0b;border-color:#ba7517;background:#ba75171a}.fancy-stamp.unpaid{color:#a32d2d;border-color:#e24b4a;background:#e24b4a1a}.plan-check-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:4px}.plan-check-item{display:flex;align-items:center;gap:8px;padding:8px 10px;border:.5px solid var(--border-med);border-radius:var(--r-md);cursor:pointer;transition:all .1s;-webkit-user-select:none;user-select:none}.plan-check-item:hover,.plan-check-item.selected{background:var(--blue-bg);border-color:var(--blue-border)}.plan-check-item input{width:15px;height:15px;cursor:pointer;accent-color:var(--blue-text)}.plan-check-item-info{flex:1;min-width:0}.plan-check-item-name{font-size:12px;font-weight:600;color:var(--text-primary)}.plan-check-item-amt{font-size:11px;color:var(--blue-text);font-weight:700}.plan-total-bar{display:flex;justify-content:space-between;padding:8px 10px;background:var(--blue-bg);border-radius:var(--r-md);font-size:13px;color:var(--blue-text);font-weight:700;margin-top:6px}@media print{body *{visibility:hidden}.print-area,.print-area *{visibility:visible}.print-area{position:fixed;top:0;left:0;width:100%;padding:24px;background:#fff}.fancy-doc{box-shadow:none!important;border:1px solid #ccc!important;break-inside:avoid;max-width:100%!important;margin:0!important}.print-area .no-print,.print-area .form-actions,.print-area .modal-header{display:none!important}body{background:#fff;margin:0}}.fancy-discount-row td{background:#eaf3de;color:#3b6d11;font-size:13px}.fancy-discount-row td strong{color:#3b6d11}