*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:#f8fafc;color:#0f172a}body{padding:24px}.shell{max-width:1080px;margin:0 auto}.brandbar,.panel-head,.result-toolbar,.action-row,.code-row,.toolbar-actions{display:flex;gap:16px;align-items:center}.brandbar,.panel-head,.result-toolbar{justify-content:space-between}.brandbar{margin-bottom:20px}.eyebrow{font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:#1e3a8a}.brandbar h1,.panel-head h2{margin:4px 0 6px}.muted{color:#64748b}.small{font-size:13px}.tiny{font-size:12px}.card{background:white;border:1px solid #e2e8f0;border-radius:18px;padding:22px;box-shadow:0 10px 30px rgba(15,23,42,.06);margin-bottom:18px}.code-card{max-width:720px}.code-card label{display:block;font-weight:800;margin-bottom:10px}.code-row input{flex:1;min-width:0;text-transform:uppercase;font-size:18px;letter-spacing:.08em;padding:13px 14px;border:1px solid #cbd5e1;border-radius:12px;outline:none}.code-row input:focus,input:focus,select:focus{border-color:#2563eb;box-shadow:0 0 0 3px rgba(37,99,235,.12)}button,.ghost-link{border:0;border-radius:12px;padding:11px 15px;font-weight:800;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;transition:.16s ease}button:disabled{opacity:.55;cursor:not-allowed}.primary{background:#1e3a8a;color:white}.primary:hover:not(:disabled){background:#2563eb}.secondary,.ghost-link{background:#eff6ff;color:#1e3a8a}.secondary:hover,.ghost-link:hover{background:#dbeafe}.danger{background:#fee2e2;color:#991b1b}.danger:hover{background:#fecaca}.big{padding:14px 20px;font-size:16px}.message{min-height:20px;margin:10px 0 0;color:#475569}.message.error{color:#b91c1c}.message.ok{color:#047857}.hidden{display:none!important}.action-row{justify-content:flex-start;flex-wrap:wrap;margin-top:16px}.result-panel{margin-top:20px}.result-toolbar{padding:14px 0;border-top:1px solid #e2e8f0;flex-wrap:wrap}.toolbar-actions{flex-wrap:wrap}.pdf-preview{width:100%;height:72vh;min-height:560px;border:1px solid #cbd5e1;border-radius:14px;background:#f1f5f9}.page-footer{text-align:center;color:#64748b;font-size:12px;padding:10px 0 24px}
.admin-grid{display:grid;grid-template-columns:330px minmax(0,1fr);gap:18px;align-items:start}.subject-list{display:grid;gap:10px}.subject-card{border:1px solid #e2e8f0;border-radius:14px;padding:14px;background:#fff;cursor:pointer}.subject-card:hover,.subject-card.active{border-color:#93b4e9;background:#eff6ff}.status-dot{width:9px;height:9px;border-radius:999px;background:#94a3b8;display:inline-block;margin-right:7px}.status-dot.on{background:#16a34a}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.field{display:grid;gap:7px}.field.full{grid-column:1/-1}.field label{font-size:13px;font-weight:800;color:#334155}.field input,.field select{width:100%;padding:11px 12px;border:1px solid #cbd5e1;border-radius:10px;background:white}.switch-row{display:flex;gap:18px;align-items:center;flex-wrap:wrap;margin:18px 0}.switch-row label{display:flex;align-items:center;gap:8px;font-weight:700}.switch-row input{width:18px;height:18px;accent-color:#1e3a8a}.matrix-wrap{overflow:auto;border:1px solid #e2e8f0;border-radius:14px}.matrix{width:100%;border-collapse:collapse;min-width:640px}.matrix th,.matrix td{padding:9px;border-bottom:1px solid #e2e8f0;border-right:1px solid #e2e8f0;text-align:center}.matrix th:first-child,.matrix td:first-child{text-align:left;position:sticky;left:0;background:#fff;z-index:1}.matrix input{width:70px;padding:8px;border:1px solid #cbd5e1;border-radius:8px;text-align:center}.availability{display:block;font-size:11px;color:#64748b;margin-top:3px}.matrix-total-row th{background:#f8fafc;font-weight:800}.row-total{font-weight:800;background:#f8fafc}.stats{display:flex;gap:12px;flex-wrap:wrap}.stat{background:#f8fafc;border:1px solid #e2e8f0;border-radius:12px;padding:10px 14px}.login-card{max-width:480px;margin:70px auto}.login-card .field{margin-bottom:12px}.admin-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}.section-title{margin:22px 0 12px}.package-list{display:grid;gap:10px;margin-top:14px}.package-card{display:flex;justify-content:space-between;gap:14px;align-items:center;border:1px solid #e2e8f0;border-radius:14px;padding:14px;background:#fff}.package-main{display:grid;gap:5px;min-width:0}.package-tags{display:flex;gap:7px;flex-wrap:wrap}.package-tags span{background:#f1f5f9;border-radius:999px;padding:4px 8px;font-size:12px;color:#475569}.package-actions{display:flex;gap:8px;flex-shrink:0}.empty-box{padding:18px;border:1px dashed #cbd5e1;border-radius:14px;color:#64748b;background:#f8fafc}
.chapter-picker{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:10px 0 18px}.chapter-group{border:1px solid #e2e8f0;border-radius:14px;background:#fff;overflow:hidden}.chapter-option{display:flex;align-items:center;gap:10px;padding:11px 12px;cursor:pointer;background:#f8fafc;border-bottom:1px solid #e2e8f0}.chapter-option input,.topic-option input{width:18px;height:18px;flex:0 0 auto;accent-color:#1e3a8a}.chapter-option span{display:grid;gap:2px}.chapter-option small,.topic-option small{color:#64748b;font-weight:500}.topic-list{display:grid;padding:7px 10px 9px}.topic-option{display:flex;align-items:flex-start;gap:9px;padding:7px 5px;border-radius:8px;cursor:pointer;font-size:13px}.topic-option:hover{background:#f8fafc}.topic-option span{line-height:1.35}.matrix-heading{margin:16px 0 8px}.package-select-head{margin-top:18px}.public-package-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:12px 0}.public-package-card{display:grid;text-align:left;justify-content:stretch;gap:5px;background:#fff;color:#0f172a;border:1px solid #e2e8f0;padding:14px}.public-package-card:hover{border-color:#93b4e9;background:#f8fbff}.public-package-card.active{border-color:#2563eb;box-shadow:0 0 0 3px rgba(37,99,235,.1);background:#eff6ff}.public-package-card span{font-size:13px;color:#334155}.public-package-card small{font-weight:500;color:#64748b;line-height:1.35}
#pdfSource{position:absolute;left:24px;top:24px;width:186mm;background:#fff;color:#111827;font-family:"Times New Roman",serif;z-index:2147483000;padding:0}.pdf-doc{font-size:12pt;line-height:1.42}.pdf-head{text-align:center;margin-bottom:18px}.pdf-head h1{font-size:16pt;margin:0 0 6px}.pdf-meta{display:flex;justify-content:space-between;gap:10px;font-size:10.5pt;border-bottom:1px solid #111827;padding-bottom:8px;margin-bottom:14px}.pdf-question{break-inside:avoid;page-break-inside:avoid;margin:0 0 13px}.pdf-question-title{font-weight:700;margin-bottom:6px}.pdf-options{display:grid;grid-template-columns:1fr 1fr;gap:5px 22px}.pdf-option{break-inside:avoid}.pdf-option img,.rich img{max-width:100%;height:auto}.answer-page{break-before:page;page-break-before:always}.answer-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:7px}.answer-item{border:1px solid #d1d5db;padding:6px 8px;text-align:center}.pdf-seed{text-align:right;font-size:9pt;color:#475569;margin-top:8px}.pdf-render-mask{position:fixed;inset:0;z-index:2147483647;background:rgba(248,250,252,.98);display:grid;place-items:center;text-align:center;padding:24px}.pdf-render-mask>div{display:grid;gap:7px}.pdf-render-mask strong{font-size:18px;color:#1e3a8a}.pdf-render-mask span{font-size:13px;color:#64748b}
@media(max-width:820px){body{padding:14px}.brandbar,.panel-head{align-items:flex-start}.admin-grid{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.pdf-preview{height:66vh;min-height:460px}.chapter-picker,.public-package-list{grid-template-columns:1fr}}
@media(max-width:560px){.brandbar,.panel-head,.code-row{flex-direction:column;align-items:stretch}.ghost-link{align-self:flex-start}.code-row button{width:100%}.card{padding:16px;border-radius:15px}.result-toolbar{align-items:flex-start}.toolbar-actions{width:100%}.toolbar-actions button{flex:1}.pdf-options{grid-template-columns:1fr}.package-card{align-items:flex-start;flex-direction:column}.package-actions{width:100%}.package-actions button{flex:1}.matrix-heading{gap:8px}.matrix-heading strong{white-space:nowrap}}