.admin-students-toolbar{display:flex;align-items:flex-end;justify-content:space-between;flex-wrap:wrap;gap:20px;margin-bottom:24px}.admin-students-search{display:flex;align-items:center;gap:8px;flex:1;min-width:260px;max-width:420px}.admin-students-search input{min-width:100px;flex:1}.admin-students-search .button,.admin-students-search .text-button{flex-shrink:0}.admin-students-filters{display:flex;align-items:flex-end;gap:16px;max-width:100%}.admin-students-filters label{font-size:14px;min-width:150px}.admin-students-filters select{font-size:16px}.admin-students-list>.error-message{margin-bottom:24px}.admin-students-read-error{display:grid;justify-items:start;gap:16px;padding:24px 0}.admin-students-read-error h2{margin:0;font-size:22px}.admin-students-read-error .error-message{margin:0}.admin-students-table-wrap{border:1px solid var(--border);border-radius:8px;min-width:0}.admin-students-table-wrap:focus-visible,.supervised-course-scroll:focus-visible{outline:3px solid #8daaff;outline-offset:3px}.admin-students-table{min-width:1050px}.admin-students-table tbody th{background:#fff;font-weight:500;min-width:100px;max-width:200px;white-space:normal;overflow-wrap:anywhere}.admin-students-table td{font-size:14px}.admin-students-table tbody tr:last-child th,.admin-students-table tbody tr:last-child td{border-bottom:0}.admin-students-table td[colspan]{padding:0;white-space:normal}.admin-students-table .empty-state{min-height:320px}.admin-students-table time,.student-count{font-variant-numeric:tabular-nums}.admin-learning-status{display:inline-flex;align-items:center;gap:8px;font-size:14px;white-space:nowrap}.admin-learning-status>span{width:8px;height:8px;border-radius:50%;background:currentColor;flex-shrink:0}.learning-unassigned,.learning-not_started{color:var(--muted)}.learning-in_progress{color:var(--primary)}.learning-completed{color:var(--success)}.admin-students-scroll-hint{display:none;font-size:14px;color:var(--muted);margin:12px 0 0}.admin-students-pagination{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px;margin-top:20px;font-size:14px;color:var(--muted)}.admin-students-pagination>div{display:flex;align-items:center;flex-wrap:wrap;gap:14px}.admin-students-pagination .button{font-size:14px;min-height:40px;padding:8px 12px}.admin-students-list-note{font-size:14px;line-height:1.7;color:var(--muted);margin:24px 0 0}.admin-student-back{display:inline-block;margin-bottom:18px;font-size:14px}.admin-student-detail-toolbar{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px 20px;margin-bottom:24px}.admin-student-detail-toolbar p{color:var(--muted);font-size:14px;margin:0}.admin-student-detail-toolbar .button{font-size:14px;min-height:42px;padding:9px 14px}.supervised-profile{border-bottom:1px solid var(--border);padding-bottom:24px}.supervised-profile-heading{display:flex;align-items:center;flex-wrap:wrap;gap:12px 20px;margin-bottom:18px}.supervised-profile-heading h2{font-size:24px;line-height:1.4;overflow-wrap:anywhere;margin:0}.supervised-profile-fields{display:flex;flex-wrap:wrap;gap:18px 40px;margin:0 0 18px}.supervised-profile-fields>div{min-width:120px;max-width:100%}.supervised-profile-fields dt{font-size:14px;color:var(--muted);margin-bottom:6px}.supervised-profile-fields dd{font-size:16px;margin:0;overflow-wrap:anywhere}.supervised-review-history{margin:6px 0 12px}.supervised-review-history summary{font-size:14px;cursor:pointer;padding:6px 0;color:var(--primary);width:max-content;max-width:100%;min-height:36px}.supervised-review-history summary:focus-visible{outline:3px solid #8daaff;outline-offset:3px}.supervised-review-history ol{list-style:none;padding:10px 0 0;margin:0;display:grid;gap:18px}.supervised-review-history li>div{display:flex;align-items:center;flex-wrap:wrap;gap:8px 16px;font-size:14px}.supervised-review-history li>div>span,.supervised-review-history time{color:var(--muted)}.supervised-review-history li>p{font-size:14px;margin:8px 0 0;white-space:pre-wrap;overflow-wrap:anywhere}.supervised-review-history>.muted-copy{padding:8px 0 0}.supervised-profile>.text-button{font-size:14px}.supervised-progress{margin-top:28px}.supervised-progress>h2{font-size:24px;margin-bottom:10px}.supervised-progress-caption{font-size:14px;color:var(--muted);margin-bottom:20px}.supervised-progress-overview{font-size:16px;font-variant-numeric:tabular-nums;margin:0 0 20px}.supervised-course{border:1px solid var(--border);border-radius:8px;padding:20px;margin-top:20px}.supervised-course-heading{display:flex;align-items:baseline;justify-content:space-between;flex-wrap:wrap;gap:8px 20px;margin-bottom:14px}.supervised-course-heading h3{font-size:21px;line-height:1.5;overflow-wrap:anywhere;margin:0}.supervised-course-heading>span{font-size:14px;color:var(--muted);white-space:nowrap}.supervised-course-summary{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;margin-bottom:12px}.supervised-course-summary p{font-size:16px;font-variant-numeric:tabular-nums;margin:0}.supervised-last-activity{font-size:14px;color:var(--muted);margin-bottom:18px}.supervised-course-scroll{border:1px solid var(--border);border-radius:6px;min-width:0}.supervised-course-table{min-width:900px}.supervised-course-table th,.supervised-course-table td{font-size:14px;padding:14px 12px}.supervised-course-table tbody th{background:#fff;font-weight:500;white-space:normal;min-width:260px;max-width:360px;overflow-wrap:anywhere}.supervised-course-table tbody th>span{color:var(--muted);font-variant-numeric:tabular-nums;margin-right:8px}.supervised-course-table time{font-variant-numeric:tabular-nums}.supervised-course-table tbody tr:last-child th,.supervised-course-table tbody tr:last-child td{border-bottom:0}.admin-students-table:not(.is-empty) thead th:last-child,.admin-students-table:not(.is-empty) tbody td:last-child{position:sticky;right:0;z-index:1;min-width:80px;box-shadow:-1px 0 0 var(--border)}.admin-students-table:not(.is-empty) thead th:last-child{background:var(--background)}.admin-students-table:not(.is-empty) tbody td:last-child{background:var(--white)}@media(max-width:1000px){.admin-students-toolbar{align-items:stretch}.admin-students-search{max-width:none}.admin-students-filters{gap:12px}.admin-students-filters label{min-width:140px}}@media(max-width:700px){.admin-students-toolbar{display:flex;flex-direction:column;gap:16px}.admin-students-search{width:100%;min-width:0}.admin-students-search .button{padding-left:14px;padding-right:14px}.admin-students-filters{width:100%;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.admin-students-filters label{min-width:0}.admin-students-filters select{font-size:14px;padding-left:10px;padding-right:28px}.admin-students-table.is-empty{min-width:100%}.admin-students-table.is-empty thead{display:none}.admin-students-table .empty-state{min-height:280px}.admin-students-scroll-hint{display:block}.admin-students-pagination{gap:12px}.admin-students-pagination>div{width:100%;justify-content:space-between;gap:8px}.admin-students-pagination .button{min-height:44px}.admin-student-detail-toolbar{align-items:flex-start;gap:10px}.admin-student-detail-toolbar .button{min-height:44px}.supervised-profile-heading h2{font-size:22px}.supervised-profile-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 16px}.supervised-profile-fields>div{min-width:0}.supervised-profile-fields>div:last-child{grid-column:1/-1}.supervised-profile-fields dd{font-size:15px}.supervised-progress>h2{font-size:22px}.supervised-course{padding:16px;margin-top:18px}.supervised-course-heading h3{font-size:19px}.supervised-course-summary{gap:10px}.supervised-course-summary p{font-size:15px}}.course-manager{margin-top:24px}.course-editor{border:1px solid var(--border);border-radius:8px;padding:16px;margin:24px 0}.course-editor summary,.managed-version summary{cursor:pointer;font-weight:600}.course-editor form{max-width:680px;margin-top:24px}.course-editor select{width:100%;min-height:48px;border:1px solid var(--border);border-radius:8px;background:#fff;padding:8px 12px;color:var(--text);font:inherit}.course-editor textarea{width:100%;border:1px solid var(--border);border-radius:8px;padding:12px;font:inherit;resize:vertical}.managed-course{border-top:1px solid var(--border);padding-top:24px;margin-top:24px}.managed-course h2{font-size:24px;line-height:1.4}.managed-version{border:1px solid var(--border);border-radius:8px;padding:20px;margin:16px 0}.version-heading{display:flex;justify-content:space-between;gap:16px;align-items:baseline}.version-heading h3{font-size:18px;margin:0}.course-published{color:#25844a;white-space:nowrap}.managed-version>p{color:var(--muted);font-size:14px}.managed-version .button-row{margin-top:20px}.managed-lessons{padding:0;list-style:none}.managed-lessons li{display:flex;gap:16px;justify-content:space-between;border-bottom:1px solid var(--border);padding:12px 0;font-size:14px}.managed-lessons a{white-space:nowrap}.admin-progress{margin-top:24px}.admin-progress>h2{font-size:24px}.admin-progress-table{min-width:700px;width:100%;border-collapse:collapse}.admin-progress-table th,.admin-progress-table td{text-align:left;padding:14px 12px;border-bottom:1px solid var(--border);font-size:14px}.admin-progress-table th{background:var(--background)}@media(max-width:640px){.managed-version{padding:16px}.version-heading{flex-direction:column;gap:8px}.managed-version .button{white-space:normal}.managed-lessons li{align-items:flex-start}.managed-lessons span{min-width:0;overflow-wrap:anywhere}}:root{--white:#fff;--background:#f5f7fb;--navy:#14263d;--primary:#2559d9;--text:#172b4d;--muted:#617086;--border:#dce3ee;--error:#b42318;--success:#18754c;--radius:8px}*{box-sizing:border-box}body{margin:0;color:var(--text);background:var(--background);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;font-size:16px;line-height:1.6}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #8daaff;outline-offset:3px}h1,h2,p{margin-top:0}h1{font-size:32px;line-height:1.35;letter-spacing:-.02em;margin-bottom:12px}h2{font-size:22px;line-height:1.45}.lede{color:var(--muted);margin-bottom:32px}.wordmark{font-size:24px;font-weight:700;color:inherit;letter-spacing:-.02em}.wordmark:hover{text-decoration:none}.auth-layout{display:grid;grid-template-columns:44.6% 1fr;min-height:100svh;background:var(--white)}.auth-intro{background:var(--navy);color:#fff;display:flex;flex-direction:column;padding:44px 7.8%;min-height:100svh}.auth-story{margin:auto 0;max-width:440px;padding:80px 0}.auth-story h2{font-size:clamp(27px,3vw,40px);line-height:1.45;letter-spacing:-.02em;white-space:nowrap;margin-bottom:18px}.auth-story p{color:#a8bbd3;font-size:18px}.steps{list-style:none;padding:28px 0 0;margin:0;max-width:370px}.steps li{display:flex;gap:24px;padding:22px 0;border-bottom:1px solid #3e526c;font-size:19px}.steps li:last-child{border-bottom:0}.steps span{color:#91b2e8;font-size:17px;font-variant-numeric:tabular-nums}.auth-content{display:flex;align-items:center;justify-content:center;padding:72px 48px;position:relative}.auth-form-wrap{width:100%;max-width:440px}.auth-form-wrap h1{font-size:38px}.auth-content .lede{margin-bottom:32px}.auth-switch{position:absolute;bottom:30px;right:40px;font-size:14px}.form-stack{display:flex;flex-direction:column;gap:22px}label{display:flex;flex-direction:column;gap:8px;font-weight:500}input,textarea,select{width:100%;border:1px solid var(--border);border-radius:var(--radius);min-height:48px;padding:10px 14px;color:var(--text);background:#fff;line-height:1.5}input::placeholder,textarea::placeholder{color:#94a0b3}input:disabled{background:#fafbfd;color:#8b96a6}input:focus,textarea:focus,select:focus{border-color:var(--primary)}.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:10px 20px;gap:8px;border-radius:var(--radius);border:1px solid transparent;font-weight:600;cursor:pointer;line-height:1.4;text-decoration:none}.button:hover{text-decoration:none}.primary{background:var(--primary);color:#fff}.primary:hover:not(:disabled){background:#1d4bc1}.secondary{background:#fff;border-color:var(--border);color:var(--text)}.secondary:hover{background:var(--background)}button:disabled{cursor:not-allowed;opacity:.55}.form-footer{text-align:center;margin:28px 0 0;font-size:15px}.notice{font-size:14px;color:var(--muted);margin:0;padding:12px 14px;background:var(--background);border-radius:var(--radius)}.admin-shell{display:grid;grid-template-columns:224px minmax(0,1fr);min-height:100svh}.admin-sidebar{background:var(--navy);color:#fff;display:flex;flex-direction:column;padding:28px 16px}.admin-sidebar .wordmark{font-size:21px;padding:0 12px}.sidebar-subtitle{color:#b6c4d7;margin:4px 12px 30px;font-size:15px}.nav-link{display:flex;gap:14px;align-items:center;color:#d8e1ee;padding:13px 16px;margin:6px 0;border-radius:var(--radius)}.nav-link:hover{color:#fff;background:#253b55;text-decoration:none}.nav-link.active{background:var(--primary);color:#fff;font-weight:600}.sidebar-back{color:#d8e1ee;border-top:1px solid #3a4c65;margin-top:auto;padding:20px 10px 0;font-size:15px}.admin-main{min-width:0;padding:20px}.admin-topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;background:#fff;border:1px solid var(--border);border-radius:10px;padding:18px 24px;min-height:72px}.admin-topbar>span{color:var(--muted)}.workspace-content{margin-top:20px}.workspace-panel{background:#fff;border:1px solid var(--border);border-radius:10px;padding:28px;min-height:calc(100svh - 132px)}.workspace-panel .lede{margin-bottom:30px}.table-scroll{width:100%;overflow:auto}table{width:100%;border-collapse:collapse;font-size:14px;text-align:left;white-space:nowrap}th{background:var(--background);font-weight:600;padding:16px;border-bottom:1px solid var(--border)}td{padding:16px;border-bottom:1px solid var(--border)}.empty-state{display:flex;flex-direction:column;align-items:center;text-align:center;justify-content:center;min-height:360px;padding:48px 24px;gap:12px}.empty-state svg{color:#aebbd0;margin-bottom:12px}.empty-state h2{font-size:20px;margin:0}.empty-state p{color:var(--muted);max-width:440px;margin:0}.empty-state .button{margin-top:12px}.student-header{background:#fff;min-height:80px;padding:20px max(24px,calc((100vw - 1120px)/2));border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;gap:20px}.student-content{max-width:1120px;margin:40px auto;padding:0 24px}.error-message{color:var(--error);background:#fff2f0;border:1px solid #ffd8d2;padding:12px 14px;border-radius:var(--radius)}.success-message{background:#edf8f2;border:1px solid #b5e1ca;color:var(--success);padding:16px;border-radius:var(--radius)}@media(min-width:1600px){.auth-intro{padding-left:12%;padding-right:12%}.auth-form-wrap{max-width:480px}}@media(max-width:1000px){.auth-intro{padding:32px 9%}.auth-story h2{white-space:normal;font-size:32px}.auth-story p{font-size:16px}.auth-content{padding:60px 32px}.auth-form-wrap h1{font-size:32px}.admin-shell{grid-template-columns:200px minmax(0,1fr)}.admin-sidebar .wordmark{font-size:18px}.workspace-panel{padding:22px}}@media(max-width:700px){.auth-layout{display:block}.auth-intro{min-height:auto;padding:22px 24px}.auth-intro .wordmark{font-size:21px}.auth-story{display:none}.auth-content{padding:40px 24px 90px;min-height:calc(100svh - 78px);align-items:flex-start}.auth-form-wrap{max-width:440px}.auth-form-wrap h1{font-size:30px}.auth-switch{right:24px;bottom:24px}.auth-content .lede{margin-bottom:28px}.form-stack{gap:20px}.admin-shell{display:block}.admin-sidebar{padding:16px;gap:4px}.sidebar-subtitle{display:none}.admin-sidebar .wordmark{font-size:21px;padding:0 8px}.admin-sidebar nav{display:flex;gap:6px;margin-top:12px}.nav-link{padding:10px 12px;font-size:14px;gap:6px;margin:0;white-space:nowrap}.nav-link svg{width:16px}.sidebar-back{display:none}.admin-main{padding:12px}.admin-topbar{min-height:60px;padding:14px 16px;font-size:14px}.workspace-content{margin-top:12px}.workspace-panel{min-height:calc(100svh - 210px);padding:20px 16px}.workspace-panel h1{font-size:27px}.empty-state{min-height:280px;padding:32px 8px}.empty-state h2{font-size:18px}.empty-state p{font-size:14px}.student-header{padding:18px 20px;min-height:72px}.student-header .wordmark{font-size:21px}.student-header>a:last-child{font-size:14px}.student-content{margin-top:28px;padding:0 20px}.student-content h1{font-size:28px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}.auth-form-wrap{max-width:400px}.auth-form-wrap h1{font-size:32px}.mobile-nav-toggle{display:none}@media(max-width:900px){.auth-layout{display:block}.auth-intro{min-height:auto;padding:22px 24px}.auth-intro .wordmark{font-size:21px}.auth-story{display:none}.auth-content{padding:40px 24px 90px;min-height:calc(100svh - 78px);align-items:flex-start}.auth-form-wrap h1{font-size:30px}.auth-switch{right:24px;bottom:24px}.admin-shell{display:block}.admin-sidebar{padding:16px;gap:4px}.sidebar-subtitle{display:none}.admin-sidebar .wordmark{font-size:21px;padding:0 8px}.mobile-nav-toggle{display:flex;justify-content:space-between;align-items:center;background:transparent;border:1px solid #496078;color:#fff;padding:10px 12px;border-radius:8px;margin-top:12px;cursor:pointer;font-size:14px}.admin-sidebar nav{display:none;gap:6px;margin-top:6px;flex-direction:column}.admin-sidebar nav.expanded{display:flex}.nav-link{padding:10px 12px;font-size:16px;gap:12px;margin:0}.nav-link svg{width:20px}.sidebar-back{display:none}.admin-main{padding:12px}.admin-topbar{min-height:60px;padding:14px 16px;font-size:14px}.workspace-content{margin-top:12px}.workspace-panel{min-height:calc(100svh - 230px);padding:20px 16px}}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.field-help{font-size:14px;line-height:1.6;color:var(--muted);margin:0}.form-stack>.field-help{margin-top:-14px}.form-stack>.error-message{margin:0}.registration-success{display:grid;gap:24px}.registration-success h2{font-size:22px;margin-bottom:8px}.registration-success p{margin-bottom:0}.registration-success>.button{justify-self:start}.text-button{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:8px 4px;border:0;background:transparent;color:var(--primary);font-weight:500;cursor:pointer;line-height:1.5}.text-button:hover:not(:disabled){text-decoration:underline}.text-button:disabled{color:var(--muted)}.admin-account{display:flex;align-items:center;justify-content:flex-end;gap:18px;min-width:0}.admin-account>span{max-width:16ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.logout-control{position:relative;display:flex;align-items:center}.inline-error{font-size:14px;color:var(--error);line-height:1.5;max-width:220px}.logout-control .inline-error{position:absolute;right:0;top:100%;z-index:2;width:220px;background:#fff;padding:10px 12px;border:1px solid var(--border);border-radius:8px;box-shadow:0 8px 24px #172b4d14}.admin-topbar{flex-wrap:wrap}.review-toolbar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;border-bottom:1px solid var(--border);margin-bottom:24px}.review-tabs{display:flex;align-self:stretch;gap:20px}.review-tabs button{position:relative;min-height:56px;padding:12px 16px;border:0;background:transparent;color:var(--muted);font-weight:500;white-space:nowrap;cursor:pointer}.review-tabs button[aria-selected=true]{color:var(--primary);font-weight:600}.review-tabs button[aria-selected=true]:after{content:"";position:absolute;height:3px;left:0;right:0;bottom:0;background:var(--primary);border-radius:3px 3px 0 0}.review-search{display:flex;align-items:center;gap:8px;padding:8px 0;width:360px;max-width:100%}.review-search input{min-width:100px;flex:1;width:100%;height:44px;min-height:44px}.review-search .button{min-height:44px;padding:8px 14px;flex-shrink:0}.review-search .text-button{flex-shrink:0}.registration-table-wrap{border:1px solid var(--border);border-radius:8px}.registration-table{min-width:820px}.registration-table tbody th{background:#fff;font-weight:500}.registration-table tbody tr:last-child td,.registration-table tbody tr:last-child th{border-bottom:0}.registration-table td[colspan]{padding:0;white-space:normal}.registration-table .empty-state{min-height:360px}.registration-table time{font-variant-numeric:tabular-nums;font-size:14px}.masked-value{font-variant-numeric:tabular-nums;letter-spacing:.02em}.registration-status{display:inline-flex;gap:8px;align-items:center;white-space:nowrap;font-size:14px}.registration-status>span{width:8px;height:8px;border-radius:50%;background:currentColor;flex-shrink:0}.status-pending{color:var(--primary)}.status-approved{color:var(--success)}.status-rejected{color:var(--error)}.status-disabled{color:var(--muted)}.loading-message{display:grid;place-items:center;min-height:180px;color:var(--muted);text-align:center;padding:32px 16px;margin:0}.review-load-error{display:grid;justify-items:start;gap:16px;padding:24px 0}.review-load-error .error-message{margin:0}.review-pagination{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:20px;font-size:14px;color:var(--muted)}.review-pagination>div{display:flex;align-items:center;gap:14px;flex-wrap:wrap}.review-pagination .button{font-size:14px;min-height:40px;padding:8px 12px}.review-footnote{color:var(--muted);font-size:14px;margin:22px 0 0}.review-notice{margin-bottom:24px}.registration-dialog{width:min(680px,calc(100vw - 40px));max-height:calc(100svh - 40px);padding:0;border:1px solid var(--border);border-radius:12px;color:var(--text);background:#fff;box-shadow:0 24px 80px #14263d33;overflow:hidden}.registration-dialog::backdrop{background:#14263d80}body:has(.registration-dialog[open]){overflow:hidden}.dialog-header{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;border-bottom:1px solid var(--border)}.dialog-header h2{font-size:22px;margin:0}.dialog-close{width:44px;height:44px;flex-shrink:0;padding:0;border:0;border-radius:8px;background:transparent;font-size:28px;font-weight:400;line-height:1;color:var(--muted);cursor:pointer}.dialog-close:hover:not(:disabled){background:var(--background);color:var(--text)}.dialog-body{padding:24px;max-height:calc(100svh - 134px);overflow:auto}.registration-details{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px 24px;margin:0 0 18px}.registration-details dt{font-size:14px;color:var(--muted);margin-bottom:5px}.registration-details dd{font-size:16px;margin:0;overflow-wrap:anywhere}.registration-details .details-wide{grid-column:1/-1}.sensitive-value{font-variant-numeric:tabular-nums;letter-spacing:.03em}.review-actions{padding-top:24px}.review-actions>.error-message{margin-bottom:16px}.button-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px}.danger-outline{background:#fff;color:var(--error);border-color:#e9b8b2}.danger-outline:hover:not(:disabled){background:#fff2f0}.danger{background:var(--error);color:#fff}.danger:hover:not(:disabled){background:#912018}.rejection-form{gap:16px}.rejection-form textarea{resize:vertical;min-height:116px}.review-history{border-top:1px solid var(--border);padding-top:22px;margin-top:28px}.review-history h3{font-size:17px;line-height:1.5;margin:0 0 16px}.muted-copy{font-size:14px;color:var(--muted);margin-bottom:0}.review-history ol{list-style:none;margin:0;padding:0;display:grid;gap:16px}.review-history li>div{display:flex;align-items:center;flex-wrap:wrap;gap:8px 16px;font-size:14px}.review-history li>div>span,.review-history time{color:var(--muted)}.review-history li>p{font-size:14px;margin:8px 0 0;white-space:pre-wrap;overflow-wrap:anywhere}@media(max-width:700px){.review-toolbar{display:block;margin-bottom:20px}.review-tabs{justify-content:space-between;gap:8px}.review-tabs button{padding:12px 8px;min-height:52px;flex:1}.review-search{width:100%;padding:12px 0}.review-search .button{min-height:44px}.review-pagination{align-items:flex-start;gap:12px}.review-pagination>div{width:100%;justify-content:space-between;gap:8px}.review-pagination .button{min-height:44px}.admin-account{gap:12px}.admin-account>span{max-width:10ch}.admin-topbar .text-button{font-size:14px}.registration-dialog{width:calc(100vw - 24px);max-height:calc(100svh - 24px)}.dialog-header{padding:14px 16px}.dialog-header h2{font-size:20px}.dialog-body{padding:20px 16px;max-height:calc(100svh - 100px)}.registration-details{grid-template-columns:1fr;gap:16px}.button-row .button{min-height:44px}.review-footnote{margin-top:20px}}.registration-table tbody th{white-space:normal;min-width:100px;max-width:240px;overflow-wrap:anywhere}@media(max-width:700px){.registration-table-empty{min-width:100%}.registration-table-empty thead{display:none}.registration-table-empty .empty-state{min-height:280px}}.student-navigation{display:flex;align-items:center;justify-content:flex-end;gap:24px;min-width:0}.student-navigation>a[aria-current=page]{font-weight:600}.student-profile{padding:16px 0 28px;margin-bottom:28px;border-bottom:1px solid var(--border)}.student-profile dl{display:flex;flex-wrap:wrap;gap:20px 44px;margin:0}.student-profile dl>div{min-width:100px;max-width:100%}.student-profile dt{font-size:14px;color:var(--muted);margin-bottom:6px}.student-profile dd{margin:0;font-size:16px;overflow-wrap:anywhere}.student-course-area{border:1px solid var(--border);border-radius:10px;background:#fff}.student-course-area .empty-state{min-height:360px}.student-header{flex-wrap:wrap}@media(max-width:700px){.student-navigation{gap:18px;font-size:14px}.student-navigation .text-button{font-size:14px;min-height:44px}.student-profile{padding:8px 0 24px;margin-bottom:24px}.student-profile dl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px 16px}.student-profile dd{font-size:15px}.student-profile .registration-status{font-size:14px}.student-course-area .empty-state{min-height:280px;padding:32px 20px}}.student-courses{display:grid;gap:24px}.course-list-toolbar{display:flex;align-items:center;justify-content:space-between;gap:20px}.course-list-toolbar p{color:var(--muted);font-size:14px;margin:0}.course-list-toolbar .text-button{font-size:14px;flex-shrink:0}.course-save-notice{color:#204b87;background:#edf3ff;border:1px solid #d5e2fa;border-radius:8px;padding:12px 16px;margin:0;font-size:14px}.course-read-error{padding:28px}.course-read-error h2{font-size:22px}.course-read-error .error-message{margin-bottom:20px}.learning-course{background:#fff;border:1px solid var(--border);border-radius:10px;overflow:hidden}.learning-course-header{padding:24px 28px}.course-title-line{display:flex;align-items:baseline;justify-content:space-between;gap:16px;flex-wrap:wrap}.course-title-line h2{font-size:24px;line-height:1.5;margin:0;overflow-wrap:anywhere}.course-version{color:var(--muted);font-size:14px;white-space:nowrap}.course-progress-summary{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:16px 0 12px}.course-progress-summary p{margin:0}.course-progress-summary strong{font-weight:600;font-variant-numeric:tabular-nums}.course-progress-track{display:block;width:100%;height:10px;appearance:none;border:0;border-radius:20px;overflow:hidden;background:#edf1f7;color:var(--primary)}.course-progress-track::-webkit-progress-bar{background:#edf1f7;border-radius:20px}.course-progress-track::-webkit-progress-value{background:var(--primary);border-radius:20px}.course-progress-track::-moz-progress-bar{background:var(--primary);border-radius:20px}.lesson-list-heading,.lesson-row{display:grid;grid-template-columns:minmax(0,1fr) 142px 262px;gap:20px;align-items:center;padding:16px 28px}.lesson-list-heading{background:var(--background);border-top:1px solid var(--border);border-bottom:1px solid var(--border);font-size:14px;font-weight:600;color:var(--muted)}.lesson-list{list-style:none;margin:0;padding:0}.lesson-row{min-height:80px;border-bottom:1px solid var(--border)}.lesson-row:last-child{border-bottom:0}.lesson-title{display:flex;align-items:baseline;gap:20px;min-width:0}.lesson-title h3{font-size:16px;line-height:1.6;margin:0;font-weight:500;overflow-wrap:anywhere}.lesson-number{font-size:16px;color:var(--muted);font-variant-numeric:tabular-nums;flex-shrink:0;min-width:2ch}.lesson-status{display:inline-flex;align-items:center;gap:8px;font-size:14px;white-space:nowrap}.lesson-status>span{width:8px;height:8px;background:currentColor;border-radius:50%;flex-shrink:0}.status-not_started{color:var(--muted)}.status-in_progress{color:var(--primary)}.status-completed{color:var(--success)}.lesson-state{display:flex;flex-direction:column;align-items:flex-start;gap:4px}.completion-source{color:var(--muted);font-size:14px;line-height:1.4}.lesson-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.lesson-actions .button{min-height:42px;padding:9px 15px;font-size:14px}.lesson-actions .secondary{border-color:#b7c9ef;color:var(--primary)}.lesson-feedback{grid-column:1/-1;white-space:normal}.lesson-feedback .error-message{margin:0}.lesson-feedback .button-row{margin-top:8px}.popup-fallback{padding:16px;background:var(--background);border-radius:8px}.popup-fallback p{font-size:14px;margin-bottom:12px}.popup-fallback .button{font-size:14px;min-height:42px}.learning-course-footer{display:flex;align-items:flex-start;justify-content:space-between;gap:24px;padding:18px 28px;border-top:1px solid var(--border);font-size:14px;color:var(--muted)}.learning-course-footer p{margin:0;line-height:1.7}.learning-course-footer>span{white-space:nowrap;flex-shrink:0}@media(max-width:900px){.lesson-list-heading,.lesson-row{grid-template-columns:minmax(0,1fr) 112px 226px;gap:12px;padding-left:20px;padding-right:20px}.lesson-title{gap:12px}.lesson-actions{gap:8px}.lesson-actions .button{padding:9px 11px}.learning-course-header{padding:22px 20px}.course-title-line h2{font-size:22px}.learning-course-footer{padding:18px 20px;gap:16px}}@media(max-width:640px){.student-courses{gap:20px}.course-list-toolbar{gap:12px;align-items:flex-start}.course-list-toolbar p{line-height:1.6;padding-top:8px}.course-list-toolbar .text-button{min-height:44px}.course-read-error{padding:24px 20px}.course-title-line{gap:8px}.course-title-line h2{font-size:21px}.course-progress-summary{margin-top:16px;gap:12px;font-size:15px}.course-progress-summary .lesson-status{font-size:14px}.lesson-list-heading{display:none}.lesson-row{grid-template-columns:minmax(0,1fr) auto;gap:14px 16px;padding:18px 20px;align-items:start}.lesson-title{gap:10px}.lesson-title h3{font-size:16px}.lesson-number{font-size:14px;padding-top:2px}.lesson-state{padding-top:2px;align-items:flex-end}.completion-source{font-size:12px}.lesson-actions{grid-column:1/-1;justify-content:flex-start;padding-left:26px;gap:10px}.lesson-actions .button{min-height:44px;padding:10px 16px;font-size:14px}.learning-course-footer{display:block;padding:18px 20px}.learning-course-footer>span{display:block;margin-top:10px}.lesson-feedback .button-row{gap:8px 16px}}@media(max-width:640px){.lesson-state .completion-source{font-size:14px}}.student-heading{display:flex;align-items:center;justify-content:space-between;gap:12px 24px;flex-wrap:wrap;margin-bottom:8px}.student-heading h1{margin:0}.student-heading-meta{display:flex;align-items:center;gap:12px;font-size:14px;min-width:0}.student-display-name{max-width:14ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.student-profile.student-profile-collapsible{padding:0;margin:0 0 16px;border:0}.student-profile-collapsible summary{width:max-content;max-width:100%;min-height:32px;padding:4px 0;color:var(--primary);font-size:14px;cursor:pointer;line-height:24px}.student-profile-collapsible summary:hover{text-decoration:underline}.student-profile-collapsible summary:focus-visible{outline:3px solid #8daaff;outline-offset:3px;border-radius:2px}.student-profile-collapsible[open] summary{margin-bottom:12px}.student-profile-collapsible dl{padding:8px 0 20px;border-bottom:1px solid var(--border)}@media(max-width:700px){.student-heading{gap:8px 16px;margin-bottom:6px}.student-heading-meta{gap:8px;font-size:14px}.student-display-name{max-width:6em}.student-profile.student-profile-collapsible{margin-bottom:12px}.student-profile-collapsible summary{min-height:36px;padding:6px 0}.student-profile-collapsible dl{padding:6px 0 18px}.student-profile-collapsible[open] summary{margin-bottom:10px}}.inline-lesson-player{padding:24px 28px;background:#f8faff;border-top:1px solid var(--border);scroll-margin-top:24px}.inline-lesson-player:focus-visible{outline:3px solid #8daaff;outline-offset:-3px}.inline-player-header{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:start;gap:16px;margin-bottom:18px}.inline-player-kicker{font-size:14px;font-weight:600;color:var(--primary);margin:0 0 4px}.inline-player-header h3{font-size:21px;line-height:1.5;margin:0 0 5px;overflow-wrap:anywhere}.inline-player-course{font-size:14px;color:var(--muted);margin:0;overflow-wrap:anywhere}.inline-player-header>.text-button{font-size:14px;min-height:40px;white-space:nowrap}.inline-player-frame{position:relative;width:100%;height:0;padding-top:56.25%;background:var(--navy);border-radius:8px;overflow:hidden}.inline-player-frame iframe{position:absolute;top:0;left:0;display:block;width:100%;height:100%;border:0}.inline-player-actions{display:flex;align-items:center;justify-content:space-between;gap:12px 24px;flex-wrap:wrap;margin:14px 0 10px}.inline-player-controls{display:flex;align-items:center;gap:12px 20px;flex-wrap:wrap}.inline-player-controls .text-button,.inline-player-actions .button{font-size:14px;min-height:44px}.inline-player-note{font-size:14px;color:var(--muted);line-height:1.7;margin:0}.inline-lesson-player>.lesson-feedback{margin-top:14px}.inline-player-help{margin-top:10px;font-size:14px}.inline-player-help summary{display:list-item;width:max-content;max-width:100%;min-height:40px;padding:8px 0;color:var(--primary);cursor:pointer}.inline-player-help summary:focus-visible{outline:3px solid #8daaff;outline-offset:2px}.inline-player-help p{margin:4px 0 8px;color:var(--muted);line-height:1.7}.inline-player-help>a{display:inline-block;min-height:40px;padding:7px 0}.lesson-row.is-current-lesson{background:#edf3ff}.lesson-row>.inline-lesson-player{grid-column:1/-1;min-width:0;margin:0 -28px -16px}@media(max-width:900px){.inline-lesson-player{padding:22px 20px}.lesson-row>.inline-lesson-player{margin-left:-20px;margin-right:-20px}}@media(max-width:640px){.inline-lesson-player{padding:20px;scroll-margin-top:12px}.lesson-row>.inline-lesson-player{margin-bottom:-18px}.inline-player-header{gap:12px;margin-bottom:16px}.inline-player-header h3{font-size:18px}.inline-player-kicker,.inline-player-course{font-size:13px}.inline-player-header>.text-button{min-height:40px;font-size:13px}.inline-player-actions{align-items:stretch;flex-direction:column;gap:10px;margin-top:12px}.inline-player-controls{justify-content:space-between;gap:8px 12px}.inline-player-actions .button{width:100%}.inline-player-help summary,.inline-player-help>a{min-height:44px}.inline-player-frame{border-radius:6px}}