:root{--navy:#12385f;--navy-dark:#0b2947;--primary:#1d63a8;--bg:#f4f6f8;--border:#dfe5eb;--text:#243447;--muted:#6b7785;--success:#198754;--danger:#dc3545;--warning:#d98b00}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,Segoe UI,Arial,sans-serif;font-size:14px}.app-shell{min-height:100vh}.sidebar{position:fixed;inset:0 auto 0 0;width:255px;background:var(--navy-dark);color:#fff;z-index:1040;display:flex;flex-direction:column;transition:transform .2s}.brand-box{display:flex;align-items:center;gap:12px;padding:18px 16px;border-bottom:1px solid rgba(255,255,255,.1);min-height:82px}.brand-logo{width:48px;height:48px;object-fit:contain;background:#fff;border-radius:8px;padding:3px}.brand-text{min-width:0}.brand-text strong{display:block;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.brand-text span{display:block;color:#b8c6d5;font-size:12px;margin-top:3px}.sidebar-nav{padding:12px 10px;overflow-y:auto}.sidebar-nav a{display:flex;align-items:center;gap:12px;color:#d8e1eb;text-decoration:none;padding:10px 12px;border-radius:7px;margin:2px 0;font-weight:500}.sidebar-nav a:hover,.sidebar-nav a.active{background:#fff;color:var(--navy-dark)}.sidebar-nav a i{font-size:17px;width:20px;text-align:center}.nav-label{color:#8095aa;font-size:10px;font-weight:700;letter-spacing:1.2px;padding:18px 12px 6px}.sidebar-footer{margin-top:auto;padding:12px 18px;color:#8194a6;font-size:11px;border-top:1px solid rgba(255,255,255,.08)}.main-area{margin-left:255px;min-height:100vh}.topbar{height:68px;background:#fff;border-bottom:1px solid var(--border);display:flex;align-items:center;padding:0 24px;position:sticky;top:0;z-index:1020}.sidebar-toggle{display:none}.topbar-title{font-weight:600}.user-menu{border:0;background:transparent;display:flex;align-items:center;gap:10px;padding:6px}.user-avatar{width:38px;height:38px;border-radius:50%;background:#e8f0f8;color:var(--primary);display:grid;place-items:center;font-weight:700}.user-info{flex-direction:column;text-align:left;line-height:1.25}.user-info small{color:var(--muted)}.content-wrap{padding:24px}.page-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}.page-heading h1{font-size:24px;margin:0 0 4px;font-weight:700}.page-heading p{margin:0;color:var(--muted)}.panel{background:#fff;border:1px solid var(--border);border-radius:10px;box-shadow:0 2px 7px rgba(20,42,66,.04)}.panel-header{padding:16px 18px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;gap:12px}.panel-title{font-size:16px;font-weight:700;margin:0}.panel-body{padding:18px}.stat-card{background:#fff;border:1px solid var(--border);border-radius:10px;padding:18px;height:100%;display:flex;align-items:center;gap:14px}.stat-icon{width:48px;height:48px;border-radius:9px;background:#edf4fb;color:var(--primary);display:grid;place-items:center;font-size:22px;flex:none}.stat-card h3{font-size:23px;margin:2px 0 0}.stat-card p{margin:0;color:var(--muted);font-size:12px}.table{margin-bottom:0}.table thead th{background:#f6f8fa;color:#526170;font-size:12px;text-transform:uppercase;letter-spacing:.25px;border-bottom:1px solid var(--border);white-space:nowrap;padding:12px 10px}.table tbody td{padding:11px 10px;vertical-align:middle;border-color:#edf0f3}.table-responsive{min-height:120px;overflow-x:auto}.badge-soft-success{background:#e8f6ef;color:#157347}.badge-soft-danger{background:#fdeced;color:#b02a37}.badge-soft-warning{background:#fff3d6;color:#946200}.badge-soft-info{background:#e8f2ff;color:#155a9b}.badge-soft-secondary{background:#eef1f4;color:#59636d}.form-label{font-weight:600;font-size:13px}.form-control,.form-select{font-size:14px;border-color:#cfd7df;min-height:38px}.form-control:focus,.form-select:focus{box-shadow:0 0 0 .2rem rgba(29,99,168,.12);border-color:#6b9ccb}.form-control[readonly]{background:#f4f6f8;color:#64717e}.btn{font-size:13px;font-weight:600}.btn-primary{background:var(--primary);border-color:var(--primary)}.search-box{position:relative;min-width:240px}.search-box i{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:#8b98a5}.search-box input{padding-left:35px}.data-toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.pagination-wrap{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:14px 18px;border-top:1px solid var(--border);flex-wrap:wrap}.pagination{margin:0}.page-link{font-size:13px;color:var(--primary)}.page-item.active .page-link{background:var(--primary);border-color:var(--primary)}.empty-state{text-align:center;padding:35px;color:var(--muted)}.empty-state i{font-size:40px;display:block;margin-bottom:8px}.modal-header{background:#f7f9fb}.modal-title{font-size:17px;font-weight:700}.required:after{content:' *';color:var(--danger)}.teacher-assignment-row{background:#f8fafc;border:1px solid var(--border);border-radius:8px;padding:12px;margin-bottom:10px}.page-loader{position:fixed;inset:0;background:rgba(255,255,255,.6);z-index:2000;display:grid;place-items:center}.amount-positive{color:#b02a37;font-weight:700}.amount-zero{color:#157347;font-weight:700}.amount-credit{color:#155a9b;font-weight:700}.filter-card{background:#fff;border:1px solid var(--border);border-radius:10px;padding:16px;margin-bottom:18px}.small-note{font-size:12px;color:var(--muted)}.table-dropdown-portal{z-index:3000!important;display:block!important;min-width:180px}.signature-preview{height:100px;width:100%;object-fit:contain;border:1px dashed var(--border);border-radius:8px;background:#fff;padding:8px}.upload-card{border:1px solid var(--border);border-radius:10px;padding:16px;height:100%}.login-page{min-height:100vh;display:grid;place-items:center;padding:22px;background:#eef2f6}.login-card{width:min(410px,100%);background:#fff;border:1px solid var(--border);border-radius:14px;padding:30px;box-shadow:0 12px 35px rgba(23,45,68,.1)}.login-logo{width:84px;height:84px;object-fit:contain;display:block;margin:0 auto 14px}.login-card h1{font-size:22px;font-weight:800;text-align:center;margin:0}.login-card .portal-label{text-align:center;color:var(--muted);margin:5px 0 24px}.login-card .form-control{padding:11px 13px}.login-card .btn{padding:11px}.dropdown-menu{font-size:13px}
@media(max-width:991px){.sidebar{transform:translateX(-100%)}.sidebar.show{transform:translateX(0)}.main-area{margin-left:0}.sidebar-toggle{display:inline-flex}.content-wrap{padding:18px}.topbar{padding:0 16px}}
@media(max-width:767px){.content-wrap{padding:14px}.page-heading h1{font-size:21px}.panel-header{align-items:flex-start;flex-direction:column}.data-toolbar,.search-box{width:100%}.search-box{min-width:0}.data-toolbar .form-select{width:auto}.pagination-wrap{align-items:flex-start}.stat-card h3{font-size:20px}.login-card{padding:23px}}

/* Reports page */
.report-filter-card{padding:0;overflow:hidden}.report-filter-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 18px;border-bottom:1px solid var(--border);background:#f9fbfd}.report-filter-heading h2,.report-section-heading h2{font-size:17px;font-weight:700;margin:0}.report-filter-heading p,.report-section-heading p{margin:4px 0 0;color:var(--muted);font-size:13px}.report-filter-card>.row{padding:18px}.report-filter-note{width:100%;min-height:38px;display:flex;align-items:flex-start;gap:9px;padding:10px 12px;border:1px solid #d9e4ef;border-radius:8px;background:#f5f9fd;color:#4d6073;font-size:12px;line-height:1.45}.report-filter-note i{color:var(--primary);margin-top:1px}.report-section-heading{display:flex;align-items:end;justify-content:space-between;margin:22px 0 12px}.report-card-grid{padding-bottom:8px}.report-card{height:100%;display:flex;flex-direction:column;align-items:flex-start;background:#fff;border:1px solid var(--border);border-radius:11px;padding:18px;box-shadow:0 2px 8px rgba(20,42,66,.04);transition:transform .15s ease,box-shadow .15s ease,border-color .15s ease}.report-card:hover{transform:translateY(-2px);border-color:#c9d8e6;box-shadow:0 8px 22px rgba(20,42,66,.08)}.report-card-icon{width:46px;height:46px;border-radius:10px;background:#edf4fb;color:var(--primary);display:grid;place-items:center;font-size:21px;margin-bottom:15px}.report-card-icon-danger{background:#fdeced;color:#b02a37}.report-card-icon-success{background:#e8f6ef;color:#157347}.report-card-content{flex:1}.report-card-type{display:inline-block;margin-bottom:6px;color:#6c7d8e;font-size:10px;font-weight:800;letter-spacing:.7px;text-transform:uppercase}.report-card h3{font-size:16px;font-weight:700;margin:0 0 8px;color:var(--text)}.report-card p{font-size:13px;line-height:1.55;color:var(--muted);margin:0 0 18px}.report-card .btn{min-width:150px}
@media(max-width:767px){.report-filter-heading{align-items:flex-start;flex-direction:column}.report-filter-heading .btn{width:100%}.report-filter-card>.row{padding:15px}.report-section-heading{margin-top:18px}.report-card{padding:16px}}

/* Reliable scrolling for all Bootstrap modals, including forms wrapped inside modal-content */
.modal{overflow-x:hidden;overflow-y:auto}
.modal-dialog-scrollable .modal-content{overflow:hidden}
.modal-dialog-scrollable .modal-content>form{
    display:flex;
    flex-direction:column;
    width:100%;
    max-height:calc(100vh - 3.5rem);
    min-height:0;
}
.modal-dialog-scrollable .modal-content>form>.modal-header,
.modal-dialog-scrollable .modal-content>form>.modal-footer{
    flex:0 0 auto;
}
.modal-dialog-scrollable .modal-content>form>.modal-body{
    flex:1 1 auto;
    min-height:0;
    overflow-y:auto;
    overscroll-behavior:contain;
    -webkit-overflow-scrolling:touch;
}
.registration-payment-option{
    border:1px solid #cfdbe7;
    border-radius:10px;
    background:#f8fbfe;
    padding:14px 16px;
}
.registration-payment-section{
    border:1px solid var(--border);
    border-radius:10px;
    background:#fff;
    padding:16px;
}
.registration-payment-section h6{
    font-size:15px;
    font-weight:700;
}
@media(max-width:575px){
    .modal-dialog{
        margin:.5rem;
    }
    .modal-dialog-scrollable{
        height:calc(100dvh - 1rem);
    }
    .modal-dialog-scrollable .modal-content>form{
        max-height:calc(100dvh - 1rem);
    }
}