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@media(max-width:900px){.filter-bar{grid-template-columns:1fr 1fr}.chapter-workspace{grid-template-columns:1fr}.chapter-tree{max-height:320px;overflow:auto}.form-grid{grid-template-columns:1fr}.form-grid .span-2{grid-column:auto}}@media(max-width:600px){.filter-bar{grid-template-columns:1fr}.admin-tabs{overflow-x:auto}.admin-tab{white-space:nowrap}.drawer-head,.drawer-body,.drawer-foot{padding:16px}.page-head{align-items:flex-start}.page-head>div:last-child{display:flex;flex-wrap:wrap;gap:6px}}
.chapter-fields,.content,.app-main{min-width:0;max-width:100%}.chapter-fields{overflow:hidden}.chapter-fields .table-wrap{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}@media(max-width:600px){.chapter-fields{padding:12px}.section-toolbar{align-items:flex-start;gap:8px}.page-head{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px}.page-head h1{font-size:20px}.page-head>div:last-child{justify-content:flex-end}.content{overflow-x:hidden;width:100%;box-sizing:border-box}.chapter-workspace{width:100%;overflow:hidden}.chapter-tree{width:auto}.chapter-fields table{min-width:760px}}
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@media(max-width:760px){.review-type-grid{grid-template-columns:1fr}.review-type-card{min-height:118px;padding:22px}.review-type-card h2{font-size:23px}}

.review-channel-status{color:var(--primary);font-weight:700;padding:8px 12px;background:#EFF6FF;border-radius:6px}

.upload .meta{display:block;width:100%;text-align:center}

.selected-file-card{min-height:190px;width:100%;display:flex;box-sizing:border-box;flex-direction:column;align-items:center;justify-content:center;gap:10px;text-align:center;padding:28px}.selected-file-card.hidden{display:none}.selected-file-icon{display:grid;place-items:center;width:40px;height:40px;border-radius:50%;background:#EFF6FF;color:var(--primary);font-size:24px;font-weight:800}.selected-file-card strong{font-size:18px}.selected-file-card b{max-width:82%;font-size:16px;line-height:1.6;overflow-wrap:anywhere;color:var(--primary)}.selected-file-tip{font-size:13px;color:var(--muted)}

.admin-modal-backdrop{position:fixed;inset:0;background:rgba(15,23,42,.48);z-index:120;display:grid;place-items:center;padding:24px}.admin-modal{width:min(1180px,calc(100vw - 48px));max-height:calc(100vh - 48px);background:#fff;border-radius:10px;box-shadow:0 16px 40px rgba(15,23,42,.14);display:flex;flex-direction:column;overflow:hidden}.admin-modal.small{width:min(760px,calc(100vw - 40px))}.admin-modal-head{padding:18px 22px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;gap:12px}.admin-modal-head h2{font-size:18px;margin:0}.admin-modal-body{padding:22px;overflow:auto;flex:1}.admin-modal-foot{padding:16px 22px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:10px;background:#fafafa}.prompt-editor-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.prompt-editor-grid .span-2{grid-column:1/-1}.prompt-editor-grid label{display:grid;gap:7px;font-weight:700}.prompt-editor-grid textarea{min-height:260px;line-height:1.55;padding:12px;font-size:13px}.prompt-editor-grid textarea.prompt-big{min-height:42vh;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono",monospace}.announcement-editor label{display:grid;gap:7px;font-weight:700;margin-bottom:14px}.announcement-editor textarea{min-height:180px;line-height:1.65;padding:12px}.announcement-editor .ann-body{min-height:36vh}@media(max-width:800px){.admin-modal-backdrop{padding:12px}.admin-modal{width:calc(100vw - 24px);max-height:calc(100vh - 24px)}.prompt-editor-grid{grid-template-columns:1fr}.prompt-editor-grid .span-2{grid-column:auto}.prompt-editor-grid textarea.prompt-big,.announcement-editor .ann-body{min-height:260px}}

.topbar-actions{display:flex;align-items:center;gap:10px}.topbar-action{height:40px;position:relative;display:inline-flex;align-items:center;gap:8px;padding:0 12px;border:1px solid var(--border);border-radius:6px;background:var(--surface);color:var(--text);font-weight:650;font-size:14px;cursor:pointer;transition:.18s}.topbar-action:hover{border-color:#93C5FD;background:#EFF6FF;color:var(--primary)}.topbar-icon{width:19px;height:19px;display:grid;place-items:center}.topbar-icon svg,.announcement-title-icon svg{width:100%;height:100%;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.notification-dot{position:absolute;right:7px;top:5px;width:9px;height:9px;border-radius:50%;background:#e53636;border:2px solid var(--surface);box-shadow:0 0 0 1px rgba(229,54,54,.1)}
.announcement-center-backdrop{position:fixed;inset:0;z-index:150;display:grid;place-items:center;padding:24px;background:rgba(15,23,42,.42)}.announcement-center{width:min(900px,calc(100vw - 48px));height:min(650px,calc(100vh - 48px));display:flex;flex-direction:column;overflow:hidden;background:var(--surface);border:1px solid var(--border);border-radius:10px;box-shadow:0 16px 40px rgba(15,23,42,.14)}.announcement-center-head{height:70px;flex:none;display:flex;align-items:center;justify-content:space-between;padding:0 22px;border-bottom:1px solid var(--border)}.announcement-center-head>div{display:flex;align-items:center;gap:11px}.announcement-center-head h2{margin:0;font-size:19px}.announcement-title-icon{width:25px;height:25px;color:var(--primary)}.announcement-close{width:38px;height:38px;border:0;border-radius:10px;background:transparent;color:var(--muted);font-size:28px;line-height:1;cursor:pointer}.announcement-close:hover{background:#edf3f4;color:var(--text)}.announcement-center-body{display:grid;grid-template-columns:280px minmax(0,1fr);min-height:0;flex:1}.announcement-list{overflow:auto;padding:16px;border-right:1px solid var(--border);background:#F9FAFB}.announcement-list-item{width:100%;position:relative;display:grid;gap:6px;margin:0 0 8px;padding:14px 14px 14px 18px;text-align:left;border:1px solid transparent;border-radius:10px;background:transparent;color:var(--text);cursor:pointer}.announcement-list-item:hover{background:var(--surface);border-color:var(--border)}.announcement-list-item.active{background:var(--surface);border-color:#93C5FD;box-shadow:var(--shadow)}.announcement-list-item.unread:before{content:"";position:absolute;left:7px;top:21px;width:6px;height:6px;border-radius:50%;background:#e53636}.announcement-list-item strong{font-size:14px;line-height:1.45}.announcement-list-item>span:last-child{font-size:12px;color:var(--muted)}.announcement-pin{width:max-content;padding:1px 6px;border-radius:10px;background:#fff1d9;color:var(--warn);font-size:11px}.announcement-detail{overflow:auto;padding:38px 42px}.announcement-detail h1{margin:8px 0 20px;font-size:25px;line-height:1.4}.announcement-detail-meta{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:13px}.announcement-content{white-space:pre-wrap;font-size:15px;line-height:1.9}.announcement-loading,.announcement-empty{display:grid;place-items:center;min-height:260px;color:var(--muted);text-align:center;padding:30px}

html[data-theme="dark"]{--primary:#60A5FA;--primary-2:#3B82F6;--accent:#60A5FA;--bg:#0F172A;--surface:#111827;--surface-2:#1F2937;--text:#F3F4F6;--muted:#9CA3AF;--border:#374151;--line:#374151;--primary-soft:#172554;--success:#4ADE80;--warn:#FBBF24;--danger:#F87171;--info:#60A5FA;--shadow:0 8px 24px rgba(0,0,0,.28)}
html[data-theme="dark"] body{color-scheme:dark}
html[data-theme="dark"] .sidebar,html[data-theme="dark"] .admin-sidebar{background:#111827;border-color:#374151}
html[data-theme="dark"] .sidebar .brand{color:#F9FAFB}
html[data-theme="dark"] .side-link.active,html[data-theme="dark"] .side-link:hover{background:#172554;color:#93C5FD}
html[data-theme="dark"] .side-user{border-color:#374151}
html[data-theme="dark"] .topbar,html[data-theme="dark"] .panel,html[data-theme="dark"] .task,html[data-theme="dark"] .issue,html[data-theme="dark"] .stat,html[data-theme="dark"] .product,html[data-theme="dark"] .review-type-card,html[data-theme="dark"] .modal,html[data-theme="dark"] .admin-modal,html[data-theme="dark"] .table-wrap,html[data-theme="dark"] .chapter-tree,html[data-theme="dark"] .chapter-fields,html[data-theme="dark"] .announcement-center{background:var(--surface)}
html[data-theme="dark"] .btn-secondary,html[data-theme="dark"] .topbar-action{background:#1F2937;color:#BFDBFE;border-color:#4B5563}
html[data-theme="dark"] .topbar-action:hover,html[data-theme="dark"] .announcement-close:hover{background:#273449;border-color:#60A5FA;color:#93C5FD}
html[data-theme="dark"] .upload,html[data-theme="dark"] .input,html[data-theme="dark"] textarea{background:#0B1220;color:var(--text);border-color:#4B5563}
html[data-theme="dark"] .review-type-card.active{background:#1D4ED8;border-color:#60A5FA}
html[data-theme="dark"] .review-type-hint,html[data-theme="dark"] .review-channel-status{background:#172554;color:#BFDBFE}
html[data-theme="dark"] .review-scope-notice{background:#292211;border-color:#7C5C19;color:#FDE68A}
html[data-theme="dark"] .review-scope-notice strong{color:#FCD34D}
html[data-theme="dark"] .channel-light{background:#1F2937}
html[data-theme="dark"] .channel-light.green{background:#123326}html[data-theme="dark"] .channel-light.yellow{background:#3A2D14}html[data-theme="dark"] .channel-light.red{background:#3F1D24}
html[data-theme="dark"] .badge{background:#273449;color:#D1D5DB}html[data-theme="dark"] .badge.success{background:#123326}html[data-theme="dark"] .badge.warn{background:#3A2D14}html[data-theme="dark"] .badge.danger{background:#3F1D24}
html[data-theme="dark"] th{background:#1F2937;color:#D1D5DB}
html[data-theme="dark"] .progress-ring{background:#374151}
html[data-theme="dark"] .announcement-list{background:#0B1220}
html[data-theme="dark"] .announcement-pin{background:#3A2D14}
html[data-theme="dark"] .notification-dot{border-color:var(--surface)}
html[data-theme="dark"] .admin-modal-foot,html[data-theme="dark"] .modal-foot{background:#0B1220}

@media(max-width:700px){.topbar-actions{gap:6px}.topbar-action{padding:0 10px}.theme-trigger span:last-child{display:none}.announcement-center-backdrop{padding:10px}.announcement-center{width:calc(100vw - 20px);height:calc(100vh - 20px)}.announcement-center-body{grid-template-columns:1fr;grid-template-rows:auto minmax(0,1fr)}.announcement-list{display:flex;gap:8px;overflow-x:auto;border-right:0;border-bottom:1px solid var(--border)}.announcement-list-item{min-width:220px;margin:0}.announcement-detail{padding:24px 20px}.announcement-detail h1{font-size:21px}}

/* Professional light workbench: dialog, progress and keyboard interaction */
:focus-visible{outline:2px solid #2563EB;outline-offset:2px}
body.dialog-open{overflow:hidden}
.modal-head{min-height:64px;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 24px;border-bottom:1px solid var(--border)}
.modal-head>div{display:flex;align-items:center;gap:12px;min-width:0}
.modal-head h2{margin:0;font-size:20px;line-height:1.4}
.modal-close{width:36px;height:36px;flex:none;border:0;border-radius:6px;background:transparent;color:var(--muted);font-size:26px;line-height:1;cursor:pointer}
.modal-close:hover{background:#F3F4F6;color:var(--text)}
.modal-body{padding:24px}
.modal-actions{display:flex;align-items:center;justify-content:flex-end;gap:8px;padding:16px 24px;border-top:1px solid var(--border);background:#F9FAFB}
.failure-modal{width:min(560px,100%)}
.failure-icon{display:grid;place-items:center;width:32px;height:32px;border-radius:50%;background:#FEF2F2;color:var(--danger);font-weight:800}
.failure-action{margin:16px 0 0;padding:12px 16px;border-left:3px solid var(--warn);background:#FFFBEB;color:#92400E}
.failure-billing{display:grid;gap:4px;margin-top:16px;padding:12px 16px;border:1px solid var(--border);border-radius:8px;background:#F9FAFB;color:var(--muted)}
.failure-billing.refunded{border-color:#BBF7D0;background:#F0FDF4;color:#166534}
.failure-billing strong{color:inherit}
.failure-inline{display:grid;gap:4px;margin-top:16px;padding:12px 16px;border:1px solid #FECACA;border-radius:8px;background:#FEF2F2;color:var(--danger);text-align:left}
.failure-inline span{color:#7F1D1D}
.progress-heading{display:flex;justify-content:space-between;margin:24px 0 8px}
.progress-note{margin-top:24px;background:#F9FAFB;box-shadow:none}
.announcement-close{border-radius:6px}
.announcement-detail h1{font-size:20px}
.task h3,.selected-file-card b{font-size:16px}
@media(max-width:600px){.modal-backdrop{align-items:end;padding:8px}.modal{max-height:calc(100vh - 16px);overflow:auto}.modal-head,.modal-body,.modal-actions{padding-left:16px;padding-right:16px}.modal-actions{display:grid;grid-template-columns:1fr}.modal-actions .btn{width:100%}.failure-modal{width:100%}}