:root{--background: #fff;--foreground: #a85454}@media (prefers-color-scheme: dark){:root{--background: #fff;--foreground:rgb(8, 1, 32)}}html.dark{--background: rgb(8, 1, 32);--foreground: #fff}html,body{max-width:100vw;overflow-x:hidden}body{color:var(--foreground);background:var(--background);font-family:Arial,Helvetica,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;margin:0}*{box-sizing:border-box;padding:0;margin:0}a{font-weight:500;color:#646cff;text-decoration:none}a:hover{color:#535bf2}.hover:hover{transform:scale(1.05)}.spinner{border:3px solid #f3f3f3;border-top:3px solid #1976d2;border-radius:50%;width:18px;height:18px;animation:spin .8s linear infinite;display:inline-block;vertical-align:middle;margin-right:8px}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:var(--background);color:var(--foreground);cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}body{padding-top:80px}@media (max-width: 768px){body{padding-top:70px}}@media (max-width: 480px){body{padding-top:60px}}.signin-container{max-width:500px;width:400px;margin:50px auto;padding:20px;background-color:#111111f0;border-radius:8px;box-shadow:0 4px 8px #0000001a;text-align:center}.signin-container h2{margin-bottom:20px;color:#333}.signin-form{display:flex;flex-direction:column;gap:15px}.signin-form input{padding:10px;border:1px solid #ccc;border-radius:4px;font-size:16px;width:100%;box-sizing:border-box}.signin-form input:focus{border-color:#007bff;outline:none}.password-input-container{position:relative;width:100%;z-index:1}.password-toggle-button{position:absolute;right:10px;top:50%;transform:translateY(-50%);background:none;border:none;cursor:pointer;color:red;font-size:14px}.password-toggle-button:hover{color:#0056b3}.signin-form button[type=submit]{padding:10px;background-color:#007bff;color:#fff;border:none;border-radius:4px;font-size:16px;cursor:pointer;transition:background-color .3s ease}.signin-form button[type=submit]:hover{background-color:#0056b3}.signup{color:red}.error-message{color:red;font-size:14px;margin-top:10px}@media (max-width: 768px){.signin-container{margin-top:200px}}.receipt-box{max-width:600px;margin:0 auto;border:1px solid #eee;padding:20px;box-shadow:0 0 5px #aaa;background:#fff}.proof-card-container{width:100%;max-width:210mm;margin:0 auto;padding:10px;box-sizing:border-box}.controls-container{display:flex;gap:10px;margin-bottom:15px;flex-wrap:wrap}.toggle-group-btn,.download-btn{padding:8px 16px;border:none;border-radius:4px;cursor:pointer;font-size:14px;font-weight:500;transition:all .2s;flex:1;min-width:150px}.toggle-group-btn{background-color:#4a90e2;color:#fff}.toggle-group-btn:hover{background-color:#357ae8}.download-btn{background-color:#28a745;color:#fff}.download-btn:hover:not(:disabled){background-color:#218838}.download-btn:disabled{background-color:#6c757d;cursor:not-allowed}.student-report-card{width:210mm;min-height:297mm;background:#fff;padding:10mm;box-sizing:border-box;border:1px solid #ddd;margin-bottom:20px;page-break-after:always;font-family:Arial,sans-serif;font-size:10px;line-height:1.3}.report-header{text-align:center;margin-bottom:10px;padding-bottom:10px;border-bottom:2px solid #333}.school-header .school-name{font-size:16px;font-weight:700;margin:0 0 5px;color:#333}.school-header .school-address{font-size:10px;color:#666;margin:0}.term-info{margin-top:10px}.term-title{font-size:14px;font-weight:700;margin:0 0 5px;color:#333}.academic-year{font-size:10px;color:#666;margin:0}.student-info-section{margin-bottom:10px}.student-info-table{width:100%;border-collapse:collapse;font-size:9px}.student-info-table td{padding:3px 5px;border:1px solid #ddd}.student-info-table .label{font-weight:700;background-color:#f5f5f5;width:25%;text-align:right}.student-info-table .value{width:25%;text-align:left}.student-info-table .strong{font-weight:700}.results-table-container{margin-bottom:15px;overflow-x:visible}.results-table{width:100%;border-collapse:collapse;font-size:9px;table-layout:fixed}.results-table th{background-color:#4a90e2;color:#fff;font-weight:700;padding:5px 3px;text-align:center;border:1px solid #ddd}.results-table td{padding:4px 3px;border:1px solid #ddd;text-align:center;vertical-align:middle}.subject-col{width:35%;text-align:left!important}.small-col{width:8%}.subject-name{text-align:left;font-weight:500;padding-left:5px!important}.teacher-name{font-size:8px;color:#666;margin-top:2px;font-style:italic}.score-cell{font-weight:500}.low-score{color:#dc3545;font-weight:700}.coef-cell{font-weight:700}.minmax-cell{font-size:8px;color:#666}.grade-cell{font-weight:700;font-size:11px}.low-grade{color:#dc3545}.remark-cell{font-size:8px;font-weight:500}.group-header{background-color:#f8f9fa!important}.group-title{font-weight:700!important;text-align:left!important;padding-left:10px!important;background-color:#e9ecef!important}.group-total{background-color:#e9ecef!important;font-weight:700}.group-total-label{text-align:right!important;padding-right:10px!important}.grand-total{background-color:#dee2e6!important;font-weight:700}.total-label{text-align:right!important;padding-right:10px!important}.total-score{font-size:11px;color:#333}.report-footer{margin-top:15px;padding-top:10px;border-top:1px solid #ddd}.signature-section{display:flex;justify-content:space-between;margin-bottom:10px}.signature-block{text-align:center;width:30%}.signature-line{width:100%;height:1px;background-color:#333;margin-bottom:5px;margin-top:20px}.signature-block p{font-size:9px;margin:0;color:#666}.summary-info{text-align:center;font-size:9px;color:#666}.summary-info p{margin:2px 0}.pdf-export-mode{font-size:9px!important;padding:5mm!important}.pdf-export-mode .student-report-card{min-height:287mm!important;padding:5mm!important}.pdf-export-mode .results-table{font-size:8px!important}.pdf-export-mode .results-table th,.pdf-export-mode .results-table td{padding:2px 1px!important}.pdf-export-mode .subject-col{width:30%!important}.pdf-export-mode .small-col{width:7%!important}@media print{.controls-container{display:none!important}.student-report-card{border:none!important;margin:0!important;padding:0!important;width:210mm!important;height:297mm!important;page-break-after:always}body{margin:0!important;padding:0!important}}@media screen and (max-width: 210mm){.proof-card-container{width:100%;padding:5px}.student-report-card{width:100%;min-height:auto;padding:10px;margin-bottom:20px}.results-table{font-size:8px}.subject-col{width:30%}.small-col{width:9%}}