:root{--text:#6b6375;--text-h:#08060d;--bg:#fff;--border:#e5e4e7;--code-bg:#f4f3ec;--accent:#aa3bff;--accent-bg:#aa3bff1a;--accent-border:#aa3bff80;--social-bg:#f4f3ec80;--shadow:#0000001a 0 10px 15px -3px, #0000000d 0 4px 6px -2px;--sans:system-ui, "Segoe UI", Roboto, sans-serif;--heading:system-ui, "Segoe UI", Roboto, sans-serif;--mono:ui-monospace, Consolas, monospace;font:18px/145% var(--sans);letter-spacing:.18px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial}}@media (width<=1024px){:root{font-size:16px}}@media (prefers-color-scheme:dark){:root{--text:#9ca3af;--text-h:#f3f4f6;--bg:#16171d;--border:#2e303a;--code-bg:#1f2028;--accent:#c084fc;--accent-bg:#c084fc26;--accent-border:#c084fc80;--social-bg:#2f303a80;--shadow:#0006 0 10px 15px -3px, #00000040 0 4px 6px -2px}#social .button-icon{filter:invert()brightness(2)}}#root{text-align:center;border-inline:1px solid var(--border);box-sizing:border-box;flex-direction:column;width:1126px;max-width:100%;min-height:100svh;margin:0 auto;display:flex}body{margin:0}h1,h2{font-family:var(--heading);color:var(--text-h);font-weight:500}h1{letter-spacing:-1.68px;margin:32px 0;font-size:56px}@media (width<=1024px){h1{margin:20px 0;font-size:36px}}h2{letter-spacing:-.24px;margin:0 0 8px;font-size:24px;line-height:118%}@media (width<=1024px){h2{font-size:20px}}p{margin:0}code,.counter{font-family:var(--mono);color:var(--text-h);border-radius:4px;display:inline-flex}code{background:var(--code-bg);padding:4px 8px;font-size:15px;line-height:135%}main{text-align:left;box-sizing:border-box;width:100%;max-width:480px;margin:0 auto;padding:24px}.profile-page{max-width:640px}.admin-page{max-width:960px}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}main section{margin-top:24px}main dl{grid-template-columns:max-content 1fr;gap:4px 16px;margin:0;display:grid}main dt{color:var(--text-h);font-weight:600}main dd{margin:0}.app-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;gap:16px;padding:16px 24px;display:flex}.app-brand{color:var(--text-h);font-weight:600;text-decoration:none}.app-nav{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.app-header-user{color:var(--text-h)}form{flex-direction:column;gap:16px;margin-top:16px;display:flex}.form-field{text-align:left;flex-direction:column;gap:4px;display:flex}.form-field label{color:var(--text-h);font-weight:600}.form-field input{border:1px solid var(--border);font:inherit;color:var(--text-h);background:var(--bg);border-radius:6px;padding:8px 10px}.form-field input:focus-visible{outline:2px solid var(--accent);outline-offset:1px}.form-field input[aria-invalid=true]{border-color:#d33}.form-field-hint{color:var(--text);font-size:.85em}.form-field-error{color:#d33;margin:0;font-size:.85em}button{font:inherit;border:1px solid var(--accent-border);background:var(--accent-bg);color:var(--text-h);cursor:pointer;border-radius:6px;padding:8px 16px}button:hover:not(:disabled){border-color:var(--accent)}button:focus-visible,a:focus-visible{outline:2px solid var(--accent);outline-offset:1px}button:disabled{cursor:not-allowed;opacity:.6}.button-link{color:var(--accent);background:0 0;border:none;padding:0;text-decoration:underline}.alert{border:1px solid #0000;border-radius:6px;margin:12px 0;padding:12px 16px}.alert-error{color:#a30000;background:#d333331a;border-color:#d3333366}.alert-success{color:#1c7a41;background:#2299541a;border-color:#22995466}.alert-warning{color:#8a5f00;background:#e6a2001f;border-color:#e6a20080}.alert-info{background:var(--accent-bg);border-color:var(--accent-border);color:var(--text-h)}.admin-nav{border-bottom:1px solid var(--border);gap:16px;margin:8px 0 16px;display:flex}.admin-nav a{color:var(--text);border-bottom:2px solid #0000;padding:8px 4px;text-decoration:none}.admin-nav a.active{color:var(--text-h);border-bottom-color:var(--accent);font-weight:600}.admin-filters,.admin-toolbar{flex-wrap:wrap;align-items:flex-end;gap:16px;margin:16px 0;display:flex}.admin-filters .form-field,.admin-toolbar .form-field{min-width:200px}.admin-filters select,.admin-filters input,.admin-toolbar input{border:1px solid var(--border);font:inherit;color:var(--text-h);background:var(--bg);border-radius:6px;padding:8px 10px}table{border-collapse:collapse;width:100%;margin:16px 0}th,td{text-align:left;border-bottom:1px solid var(--border);vertical-align:top;padding:10px 12px}th{color:var(--text-h);white-space:nowrap;font-weight:600}.admin-row-actions{flex-wrap:wrap;gap:8px;display:flex}.status-badge{border:1px solid #0000;border-radius:999px;padding:2px 10px;font-size:.85em;font-weight:600;display:inline-block}.status-active{color:#1c7a41;background:#2299541f;border-color:#22995466}.status-suspended{color:#a30000;background:#d333331a;border-color:#d3333366}.pagination{justify-content:center;align-items:center;gap:16px;margin:16px 0;display:flex}.form-actions{flex-direction:row;gap:12px;display:flex}.button-danger{color:#a30000;background:#d333331a;border-color:#d3333380}.button-danger:hover:not(:disabled){border-color:#d33}.confirm-dialog-backdrop{z-index:100;background:#00000073;justify-content:center;align-items:center;padding:16px;display:flex;position:fixed;inset:0}.confirm-dialog{background:var(--bg);color:var(--text);border:1px solid var(--border);width:100%;max-width:420px;box-shadow:var(--shadow);text-align:left;border-radius:8px;padding:24px}.confirm-dialog h2{margin-top:0}.confirm-dialog-actions{justify-content:flex-end;gap:12px;margin-top:20px;display:flex}@media (width<=640px){.admin-page{padding:16px}table,thead,tbody,th,td,tr{display:block}thead tr{position:absolute;top:-9999px;left:-9999px}tbody tr{border:1px solid var(--border);border-radius:8px;margin-bottom:12px;padding:8px 12px}td{border-bottom:none;padding:6px 0}td:before{content:attr(data-label);color:var(--text-h);font-size:.8em;font-weight:600;display:block}}.exam-editor-page{max-width:1100px}.exam-editor-shell{grid-template-columns:240px minmax(0,1fr) 300px;align-items:start;gap:16px;margin-top:16px;display:grid}.exam-editor-column{border:1px solid var(--border);box-sizing:border-box;border-radius:8px;min-width:0;padding:16px}@media (width<=900px){.exam-editor-shell{grid-template-columns:1fr}}.exam-structure-panel{flex-direction:column;gap:8px;display:flex}.exam-structure-sections{flex-direction:column;gap:8px;margin:0;padding:0;list-style:none;display:flex}.exam-structure-node{text-align:left;background:0 0;flex-direction:column;align-items:flex-start;gap:2px;width:100%;display:flex}.exam-structure-node-active{border-color:var(--accent);background:var(--accent-bg)}.exam-structure-node-actions{gap:4px;margin-top:4px;display:flex}.exam-center-panel dl{margin-bottom:16px}.exam-items-list{flex-direction:column;gap:12px;margin:16px 0;padding:0;list-style:none;display:flex}.exam-item-row{border:1px solid var(--border);border-radius:8px;flex-wrap:wrap;justify-content:space-between;gap:12px;padding:12px;display:flex}.exam-item-text{flex:1;min-width:200px}.exam-item-actions{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.exam-item-actions input[type=number]{border:1px solid var(--border);width:80px;font:inherit;color:var(--text-h);background:var(--bg);border-radius:6px;padding:6px 8px}.exam-item-outdated{color:#8a5f00;font-size:.85em}.question-picker{margin-top:16px}.question-picker-panel{border:1px solid var(--border);border-radius:8px;flex-direction:column;gap:12px;margin-top:8px;padding:16px;display:flex}.question-picker-tabs{gap:8px;display:flex}.question-picker-tabs button[aria-selected=true]{border-color:var(--accent);background:var(--accent-bg)}.question-picker-results{flex-direction:column;gap:8px;margin:0;padding:0;list-style:none;display:flex}.question-picker-item{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;gap:12px;padding-bottom:8px;display:flex}.question-picker-item-text{flex:1}.exam-properties-form h2{margin-top:0}.exam-finalize-toolbar{margin:16px 0}.exam-finalized-summary{flex-direction:column;gap:16px;margin-top:16px;display:flex}.exam-finalized-summary dl{grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:8px 16px;margin:0;display:grid}.exam-finalized-summary dt{color:var(--text);font-size:.85em}.exam-finalized-summary dd{color:var(--text-h);margin:0;font-weight:600}.exam-instances-panel table{width:100%}.exam-instance-pdf-cell{min-width:260px}.exam-instance-pdf-cell .alert{margin-bottom:8px}.template-margins{border:1px solid var(--border);border-radius:8px;margin:0;padding:12px}.template-margins-grid{grid-template-columns:repeat(2,1fr);gap:12px;display:grid}.block-preview-hint{color:var(--text);font-size:.85em}.mfa-qrcode canvas{max-width:100%;height:auto}.mfa-recovery-codes ul{padding-left:20px}