:root{color-scheme:light;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:#172033;background:#f5f7fb}*{box-sizing:border-box}body{margin:0;min-width:0;background:#f5f7fb}button,input,select,textarea{font:inherit}a{color:inherit;text-decoration:none}.center-screen,.login-page{min-height:100vh;display:grid;place-items:center;padding:32px}.admin-layout{min-height:100vh;display:grid;grid-template-columns:292px minmax(0,1fr);background:#eef4fb}.admin-sidebar{position:sticky;top:0;height:100vh;display:grid;grid-template-rows:auto auto minmax(0,1fr);gap:12px;border-right:1px solid #d8e2f0;background:#f8fbff}.admin-brand{display:flex;align-items:center;gap:12px;padding:20px 20px 16px;border-bottom:1px solid #e4ebf5}.admin-brand-mark,.admin-avatar{display:grid;place-items:center;color:#fff;background:#2563eb;font-weight:900}.admin-brand-mark{width:40px;height:40px;border-radius:12px}.admin-brand small,.admin-identity small{display:block;margin-top:2px;color:#64748b;font-size:12px;font-weight:800}.admin-sidebar-search{margin:0 12px}.admin-sidebar-search span{color:#52627a;font-size:12px;font-weight:900}.admin-sidebar-search input{min-height:38px;border-color:#d8e2f0;background:#fff}.admin-nav{display:block;overflow:auto;padding:0 10px 18px}.admin-nav-group{display:grid;gap:6px;margin-bottom:8px}.admin-nav-group-button{width:100%;display:grid;grid-template-columns:32px minmax(0,1fr) 18px;align-items:center;gap:10px;padding:10px;border:1px solid transparent;border-radius:12px;background:transparent;color:#334155;cursor:pointer;text-align:left}.admin-nav-group-button:hover,.admin-nav-group-button.active{border-color:#d8e7ff;background:#eef6ff}.admin-nav-group-icon{width:32px;height:32px;display:grid;place-items:center;border-radius:10px;background:#e8f0ff;color:#1d4ed8;font-size:13px;font-weight:900}.admin-nav-group-copy{min-width:0}.admin-nav-group-copy strong,.admin-nav-group-copy small{display:block}.admin-nav-group-copy strong{color:#172033;font-size:14px;font-weight:900}.admin-nav-group-copy small{margin-top:2px;color:#52627a;font-size:11px;font-weight:800;line-height:1.25}.admin-nav-chevron{color:#64748b;font-size:18px;font-weight:900;text-align:center}.admin-nav-children{display:grid;gap:3px;padding:0 0 4px 42px}.admin-nav-item{display:grid;grid-template-columns:24px minmax(0,1fr) auto;align-items:center;gap:8px;min-height:36px;padding:8px 10px;border-radius:10px;color:#475569;font-size:13px;font-weight:800}.admin-nav-route-icon{width:24px;color:#0ea5b7;text-align:center;font-weight:900}.admin-nav-route-label{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.admin-nav-item:hover,.admin-nav-item.active{color:#1d4ed8;background:#e8f0ff}.admin-nav-item.search-match{outline:1px solid #cfe0ff;background:#f7fbff}.admin-nav-item.search-match:hover,.admin-nav-item.search-match.active{background:#e8f0ff}.admin-nav-status{display:inline-flex;align-items:center;min-height:20px;padding:0 7px;border-radius:999px;background:#eef2f8;color:#52627a;font-size:10px;font-weight:900;white-space:nowrap}.admin-nav-status.ready{background:#dcfce7;color:#15803d}.admin-nav-status.foundation{background:#dbeafe;color:#1d4ed8}.admin-nav-status.soon{background:#f1f5f9;color:#64748b}.admin-nav-status.advanced{background:#fef3c7;color:#a16207}.admin-main{min-width:0;display:grid;grid-template-rows:auto minmax(0,1fr)}.admin-topbar{position:sticky;top:0;z-index:20;min-height:72px;display:grid;grid-template-columns:minmax(180px,.7fr) minmax(260px,1fr) auto;align-items:center;gap:18px;padding:14px 24px;border-bottom:1px solid #d8e2f0;background:#f8fbfff5}.admin-topbar-kicker{margin:0 0 3px;color:#64748b;font-size:12px;font-weight:900}.admin-global-search{margin:0;color:#64748b}.admin-global-search span{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}.admin-global-search input{border-color:#d8e2f0;background:#fff}.admin-identity{display:flex;align-items:center;gap:10px;min-width:0}.admin-env-badge{display:inline-flex;align-items:center;min-height:26px;padding:0 9px;border-radius:999px;background:#dff8fb;color:#087d8c;font-size:12px;font-weight:900}.admin-avatar{width:34px;height:34px;border-radius:999px}.admin-content{min-width:0;overflow:auto;padding:20px 24px 34px}.admin-breadcrumbs{display:flex;flex-wrap:wrap;gap:8px;margin:0 auto 14px;max-width:1360px;color:#64748b;font-size:13px;font-weight:800}.admin-breadcrumbs a{color:#2563eb}.admin-breadcrumbs span{display:inline-flex;gap:8px}.admin-page-header{display:flex;justify-content:space-between;gap:18px;align-items:flex-start;margin-bottom:18px}.admin-page-header h1{margin:4px 0 7px;color:#172033;font-size:30px;letter-spacing:0}.admin-eyebrow{color:#2563eb;font-size:12px;font-weight:900}.admin-grid.two{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.admin-section-card,.admin-stat-card,.admin-state-box{border:1px solid #d8e2f0;border-radius:14px;background:#fff}.admin-section-card{margin-bottom:16px;padding:16px}.admin-section-head{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;margin-bottom:14px}.admin-section-head h2,.admin-section-card h3{margin:0 0 6px;color:#172033}.admin-section-card h3{font-size:14px}.admin-filter-bar,.admin-inline-form{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));align-items:end;gap:12px}.admin-inline-form{grid-template-columns:minmax(280px,1fr) auto}.admin-filter-bar label,.admin-inline-form label{margin-bottom:0}.admin-table-wrap{width:100%;overflow:auto}.admin-data-table{min-width:760px}.admin-data-table th{background:#f8fafc}.admin-status-badge{display:inline-flex;align-items:center;min-height:24px;padding:0 8px;border-radius:999px;background:#eef2f8;color:#475569;font-size:12px;font-weight:900}.admin-status-badge.success{background:#dcfce7;color:#15803d}.admin-status-badge.warning{background:#fff7ed;color:#c2410c}.admin-status-badge.danger{background:#fee2e2;color:#b42318}.admin-status-badge.info{background:#dbeafe;color:#1d4ed8}.admin-stat-card{padding:16px}.admin-stat-card span,.admin-stat-card small{display:block;color:#64748b;font-weight:800}.admin-stat-card strong{display:block;margin:8px 0;font-size:28px}.admin-state-box{display:grid;gap:8px;margin:12px 0;padding:18px;color:#475569}.admin-state-box strong{color:#172033}.admin-state-box p{max-width:70ch;margin:0}.admin-state-box.error{border-color:#fecaca;background:#fff7f7}.admin-loading-state{display:grid;gap:8px;padding:16px;border:1px solid #d8e2f0;border-radius:14px;background:#fff}.admin-loading-state span{height:12px;border-radius:999px;background:linear-gradient(90deg,#edf2f8,#f8fafc,#edf2f8)}.admin-loading-state p{margin:0;color:#64748b;font-weight:800}.admin-dialog-backdrop,.admin-drawer-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:50;background:#0f172a52}.admin-dialog{width:min(460px,calc(100vw - 32px));margin:12vh auto;padding:18px;border-radius:14px;background:#fff}.admin-drawer{width:min(620px,calc(100vw - 28px));height:100vh;margin-left:auto;padding:18px;overflow:auto;background:#fff}.admin-drawer-stack{display:grid;gap:12px}.admin-check-list,.admin-code-list{display:grid;gap:8px;margin:0;padding-left:18px;color:#475569}.admin-code-list{margin-bottom:14px}@media(max-width:1100px){.admin-layout{grid-template-columns:1fr}.admin-sidebar{position:static;height:auto}.admin-nav{display:block;overflow:visible;padding-bottom:12px}.admin-nav-group{min-width:0;margin-bottom:0}.admin-topbar{grid-template-columns:1fr}.admin-identity{flex-wrap:wrap}.admin-grid.two{grid-template-columns:1fr}}.login-card{width:420px;padding:32px;border:1px solid #dce3ef;border-radius:18px;background:#fff;box-shadow:0 24px 80px #1e293b24}.login-card h1,.page h1{margin:6px 0 8px;font-size:30px;letter-spacing:-.02em}.login-card p,.muted{color:#6b778c}.eyebrow{color:#6d5dfc;font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.admin-shell{display:grid;grid-template-columns:280px 1fr;min-height:100vh}.sidebar{position:sticky;top:0;height:100vh;display:flex;flex-direction:column;gap:22px;padding:22px;border-right:1px solid #dce3ef;background:#fff}.brand{display:flex;align-items:center;gap:12px;padding-bottom:18px;border-bottom:1px solid #edf1f7}.brand-mark{width:42px;height:42px;display:grid;place-items:center;border-radius:12px;color:#fff;background:#6d5dfc;font-weight:900}.brand small,.sidebar-footer span{display:block;color:#6b778c;font-size:12px;margin-top:2px}nav{display:flex;flex-direction:column;gap:6px}.nav-item{display:flex;align-items:center;gap:10px;padding:11px 12px;color:#536179;border-radius:10px;font-weight:700}.nav-item:hover,.nav-item.active{background:#f0efff;color:#4e40d8}.sidebar-footer{margin-top:auto;display:grid;gap:10px}.content{padding:32px;overflow:auto}.page{max-width:1360px;margin:0 auto}.page.narrow{max-width:720px}.page-header,.panel-header{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:18px}.grid.two{display:grid;grid-template-columns:minmax(0,1fr) minmax(440px,.8fr);gap:18px;align-items:start}.panel,.stat-card,.lesson-preview{border:1px solid #dce3ef;border-radius:16px;background:#fff;box-shadow:0 12px 32px #1e293b0f}.panel{padding:18px;overflow:hidden}.helper-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.helper-grid p{margin:6px 0 0}.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:18px}.stat-card{padding:18px}.stat-card span{display:block;color:#6b778c;font-weight:700}.stat-card strong{display:block;margin-top:10px;font-size:34px}.dashboard-guidance-panel{margin-bottom:18px}.dashboard-operation-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;margin-bottom:18px}.dashboard-operation-card{display:grid;gap:8px;min-height:136px;padding:16px;border:1px solid #d8e2f0;border-radius:14px;background:#fff}.dashboard-operation-card:hover{border-color:#bfd4ff;background:#f8fbff}.dashboard-operation-card span{color:#52627a;font-size:13px;font-weight:900}.dashboard-operation-card strong{color:#172033;font-size:24px}.dashboard-operation-card small{color:#52627a;font-weight:700;line-height:1.45}.dashboard-action-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:12px}.dashboard-action-card{display:grid;gap:6px;min-height:120px;padding:14px;border:1px solid #dce3ef;border-radius:14px;background:#f8fbff}.dashboard-action-card:hover{border-color:#bfd4ff;background:#eef6ff}.dashboard-action-card strong{color:#172033}.dashboard-action-card span{color:#52627a;font-size:13px;font-weight:700;line-height:1.45}.dashboard-action-card small{align-self:end;color:#1d4ed8;font-weight:900}label{display:grid;gap:7px;color:#4d5a70;font-size:13px;font-weight:800;margin-bottom:14px}input,select,textarea{width:100%;border:1px solid #cfd8e6;border-radius:10px;padding:10px 12px;color:#172033;background:#fff}textarea{resize:vertical;font-family:SFMono-Regular,Consolas,monospace;font-size:13px}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0 14px}.span-2{grid-column:span 2}.inline-check{display:flex;align-items:center;gap:8px}.inline-check input{width:auto}.primary-button,.secondary-button,.ghost-button{display:inline-flex;justify-content:center;align-items:center;gap:8px;min-height:38px;border-radius:10px;padding:0 14px;border:0;cursor:pointer;font-weight:800}.primary-button{background:#6d5dfc;color:#fff}.secondary-button{background:#eef2f8;color:#243049}.ghost-button{background:#fff;border:1px solid #dce3ef;color:#536179}.primary-button:disabled{opacity:.55;cursor:not-allowed}.button-row{display:flex;align-items:center;gap:10px}.admin-pagination-row{display:flex;flex-wrap:wrap;align-items:center;justify-content:flex-end;gap:10px;margin-top:12px;color:#52627a;font-size:13px;font-weight:800}.admin-detail-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 14px;padding:12px;border:1px solid #d8e2f0;border-radius:12px;background:#f8fbff}.admin-detail-grid span{min-width:0;color:#475569;overflow-wrap:anywhere}.dictionary-search-results{margin-top:14px}.audit-summary-card{display:grid;gap:6px;padding:12px;border:1px solid #d8e2f0;border-radius:12px;background:#f8fbff}.audit-summary-card p{margin:0;color:#475569;line-height:1.45}.admin-json-details{border:1px solid #d8e2f0;border-radius:12px;background:#fff;overflow:hidden}.admin-json-details summary{cursor:pointer;padding:10px 12px;color:#172033;font-weight:900}.admin-json-details .json-preview{border-radius:0}table{width:100%;border-collapse:collapse;font-size:14px}th{padding:11px 10px;text-align:left;color:#6b778c;font-size:12px;text-transform:uppercase;border-bottom:1px solid #edf1f7}td{padding:13px 10px;border-bottom:1px solid #edf1f7;vertical-align:middle}tr:last-child td{border-bottom:0}.table-thumb{width:48px;height:48px;object-fit:contain;border-radius:10px;border:1px solid #dce3ef;background:#f8fafc}.actions{display:flex;align-items:center;gap:10px}.actions.wrap{flex-wrap:wrap}.link-button{border:0;padding:0;background:transparent;color:#4e40d8;cursor:pointer;font-weight:800}.danger{color:#d92d20}code{padding:2px 5px;border-radius:6px;background:#f3f6fb;color:#334155;font-family:SFMono-Regular,Consolas,monospace;font-size:12px}.user-search{min-width:360px;margin-bottom:0}.grant-toolbar{display:grid;grid-template-columns:minmax(320px,1fr) 150px minmax(260px,1fr);align-items:end;gap:12px;margin:0 0 14px;padding:12px;border:1px solid #ddd6fe;border-radius:14px;background:#fbfaff}.grant-toolbar label{margin-bottom:0}.grant-toolbar p{margin:0 0 10px;font-size:13px}.collection-admin-panel{margin-bottom:18px}.collection-admin-panel h2{margin:0 0 6px;font-size:20px;color:#172033}.collection-form-grid{display:grid;grid-template-columns:180px minmax(240px,1fr) 110px 90px;align-items:end;gap:12px}.collection-form-grid label{margin-bottom:0}.collection-form-grid .primary-button{min-height:42px}.badge{display:inline-flex;align-items:center;padding:4px 8px;border-radius:999px;background:#eef2f8;color:#536179;font-size:12px;font-weight:800}.badge.published{background:#dcfce7;color:#15803d}.badge.draft{background:#fff7ed;color:#c2410c}.inline-toggle{display:inline-flex;align-items:center;gap:8px;margin:0;color:#536179;font-size:13px;font-weight:800}.inline-toggle input{width:auto}.tab-row{display:flex;flex-wrap:wrap;gap:8px}.tab-button{border:1px solid #dce3ef;border-radius:999px;padding:8px 12px;background:#fff;color:#536179;font-weight:800;cursor:pointer}.tab-button.active{border-color:#2563eb;background:#eff6ff;color:#2563eb}.bulk-action-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.bulk-action-box{display:grid;gap:8px;padding:12px;border:1px solid #dce3ef;border-radius:14px;background:#f8fafc}.bulk-action-box.danger{border-color:#fecaca;background:#fff7f7}.bulk-action-box p{margin:0}.stack-list{display:grid;gap:10px}.list-card{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:14px;align-items:center;padding:14px;border:1px solid #dce3ef;border-radius:14px;background:#fff}.list-card.muted-card{opacity:.68;background:#f8fafc}.list-card-title-row{display:flex;flex-wrap:wrap;align-items:center;gap:8px}.list-card-main p{margin:8px 0 0}.list-card-actions{display:flex;gap:8px}.status-pill{display:inline-flex;align-items:center;border-radius:999px;padding:4px 8px;font-size:12px;font-weight:900}.status-pill.success{background:#dcfce7;color:#15803d}.status-pill.danger{background:#fee2e2;color:#b42318}.danger-button{border:0;border-radius:10px;padding:10px 14px;background:#dc2626;color:#fff;font-weight:900;cursor:pointer}.danger-button:disabled,.tab-button:disabled{opacity:.58;cursor:not-allowed}@media(max-width:860px){.bulk-action-grid,.admin-detail-grid{grid-template-columns:1fr}}.alert{padding:12px 14px;border-radius:12px;margin-bottom:14px;font-weight:700}.alert.error{background:#fef2f2;color:#b42318;border:1px solid #fecaca}.alert.success{background:#ecfdf3;color:#067647;border:1px solid #bbf7d0;margin-top:14px}.drop-zone{display:grid;place-items:center;gap:6px;min-height:120px;margin-bottom:14px;border:1px dashed #9aa8bd;border-radius:14px;background:#f8fafc;color:#536179;cursor:pointer}.summary-row{display:flex;flex-wrap:wrap;gap:14px;margin:12px 0;color:#536179}.preview-layout{display:grid;grid-template-columns:420px 1fr;gap:18px;align-items:start}.lesson-preview{padding:24px}.lesson-preview h2{font-size:28px;margin:14px 0 8px}.json-preview{margin:0;padding:18px;border-radius:16px;background:#111827;color:#d1fae5;overflow:auto;max-height:70vh}.json-preview.compact{max-height:320px;font-size:12px}.import-guide{margin-bottom:18px;padding:16px;border:1px solid #ddd6fe;border-radius:14px;background:#fbfaff}.import-guide h2{margin:4px 0 0;font-size:20px}.guide-list{display:grid;gap:8px;margin:12px 0 14px;padding-left:18px;color:#4d5a70;font-size:13px;line-height:1.5}.guide-list code{padding:2px 5px;border-radius:6px;background:#eef2ff;color:#4e40d8;font-weight:800}.ai-import-layout.grid.two{grid-template-columns:minmax(420px,.7fr) minmax(640px,1.2fr)}.ai-image-drop{min-height:148px}.ai-image-list{display:grid;gap:8px;margin:10px 0 14px}.ai-image-chip{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:9px 10px;border:1px solid #edf1f7;border-radius:10px;background:#f8fafc;color:#4d5a70;font-size:13px;font-weight:700}.ai-preview-panel h2{margin:4px 0 0}.panel-header.compact{margin:14px 0 10px}.ai-mondai-summary{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin:14px 0}.ai-mondai-pill{display:grid;gap:3px;padding:10px;border:1px solid #ddd6fe;border-radius:12px;background:#fbfaff}.ai-mondai-pill strong{color:#4e40d8;font-size:18px}.ai-mondai-pill span{font-weight:800;color:#243049}.ai-mondai-pill small{color:#6b778c}.ai-issue-list{display:grid;gap:8px;margin-bottom:16px}.ai-issue{padding:10px 12px;border-radius:12px;border:1px solid #fed7aa;background:#fff7ed}.ai-issue.error{border-color:#fecaca;background:#fef2f2}.ai-issue strong{display:inline-flex;min-width:72px;color:#b45309}.ai-issue.error strong{color:#b42318}.ai-issue span{color:#536179;font-family:SFMono-Regular,Consolas,monospace;font-size:12px}.ai-issue p{margin:4px 0 0;color:#243049;font-weight:700}.ai-question-editor{display:grid;gap:14px}.ai-question-card{padding:14px;border:1px solid #dce3ef;border-radius:14px;background:#fff}.ai-question-head{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:12px}.ai-question-head strong{color:#172033}.ai-question-head span{padding:3px 8px;border-radius:999px;background:#eef2ff;color:#4e40d8;font-size:12px;font-weight:800}.ai-choice-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 14px}.ai-raw-json{margin-top:16px}.ai-raw-json summary{cursor:pointer;color:#4e40d8;font-weight:800}.draft-append-box{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:10px;margin:0 0 14px;padding:12px;border:1px solid #ddd6fe;border-radius:14px;background:#fbfaff}.draft-append-box label{margin-bottom:0}.listening-manual-editor{display:grid;gap:14px;padding:14px;border:1px solid #dbeafe;border-radius:14px;background:#f8fbff}.listening-manual-editor h2,.listening-manual-editor p{margin:0}.listening-mondai-block{padding:12px;border:1px solid #dce3ef;border-radius:14px;background:#fff}.listening-mondai-block h3{margin:0 0 10px;color:#243049;font-size:15px}.listening-question-list{display:grid;gap:10px}.listening-question-card{padding:12px;border:1px solid #edf1f7;border-radius:12px;background:#fbfcff}