pre code.hljs{display:block;overflow-x:auto;padding:1em}code.hljs{padding:3px 5px}.hljs{color:#c9d1d9;background:#0d1117}.hljs-doctag,.hljs-keyword,.hljs-meta .hljs-keyword,.hljs-template-tag,.hljs-template-variable,.hljs-type,.hljs-variable.language_{color:#ff7b72}.hljs-title,.hljs-title.class_,.hljs-title.class_.inherited__,.hljs-title.function_{color:#d2a8ff}.hljs-attr,.hljs-attribute,.hljs-literal,.hljs-meta,.hljs-number,.hljs-operator,.hljs-variable,.hljs-selector-attr,.hljs-selector-class,.hljs-selector-id{color:#79c0ff}.hljs-regexp,.hljs-string,.hljs-meta .hljs-string{color:#a5d6ff}.hljs-built_in,.hljs-symbol{color:#ffa657}.hljs-comment,.hljs-code,.hljs-formula{color:#8b949e}.hljs-name,.hljs-quote,.hljs-selector-tag,.hljs-selector-pseudo{color:#7ee787}.hljs-subst{color:#c9d1d9}.hljs-section{color:#1f6feb;font-weight:700}.hljs-bullet{color:#f2cc60}.hljs-emphasis{color:#c9d1d9;font-style:italic}.hljs-strong{color:#c9d1d9;font-weight:700}.hljs-addition{color:#aff5b4;background-color:#033a16}.hljs-deletion{color:#ffdcd7;background-color:#67060c}:root{color-scheme:light;font-family:DM Sans,Segoe UI,sans-serif;color:#1f2a3a;background-color:#f5f4f2}*{box-sizing:border-box}body{margin:0;background:linear-gradient(180deg,#f8f7f4,#f0efea)}.page-shell{min-height:100vh;display:flex;flex-direction:column}.app-header{display:flex;justify-content:space-between;align-items:center;padding:20px 32px;background:#fff;border-bottom:1px solid #e4e1da}.brand{font-size:20px;font-weight:700}.header-actions{display:flex;align-items:center;gap:16px}.user-info{font-weight:600}.page-content{padding:24px 32px 40px;display:flex;flex-direction:column;gap:24px}.dashboard-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px}.dashboard-card{background:#fff;border:1px solid #e4e1da;border-radius:12px;padding:16px 20px}.dashboard-label{font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:#6f7a88}.dashboard-value{font-size:22px;font-weight:700;margin-top:6px}.split-view{display:grid;grid-template-columns:minmax(280px,360px) minmax(0,1fr);gap:24px}.panel{background:#fff;border:1px solid #e4e1da;border-radius:16px;padding:20px;display:flex;flex-direction:column;gap:16px}.panel-header{display:flex;justify-content:space-between;align-items:center;gap:16px}.problem-list{display:flex;flex-direction:column;gap:12px}.problem-card{border:1px solid #e8e5df;border-radius:12px;padding:12px 14px;text-align:left;background:#faf9f7;cursor:pointer;transition:border-color .2s ease}.problem-card.active{border-color:#26344b;background:#f0f3f7}.problem-title{font-weight:600;margin-bottom:6px}.problem-meta{display:flex;flex-wrap:wrap;gap:8px;font-size:12px;color:#6f7a88}.problem-meta-secondary{margin-top:6px;font-size:12px;color:#8994a2}.status-badge{display:inline-flex;padding:2px 8px;border-radius:999px;background:#edf0f5;color:#3a4a62;font-size:12px;font-weight:600}.detail-panel{min-height:520px}.detail-header{display:flex;justify-content:space-between;align-items:flex-start;gap:16px}.detail-actions{display:flex;gap:8px;align-items:center}.reading-toggle{font-weight:600}.detail-meta{margin-top:6px;font-size:12px;color:#7b8695}.problem-description-wrap{padding:8px 0 4px}.problem-description{color:#3f4a59;line-height:1.65;max-width:72ch;margin:12px auto 16px}.markdown-render p{margin:0 0 12px}.markdown-render p:last-child{margin-bottom:0}.markdown-render ul,.markdown-render ol{margin:0 0 12px;padding-left:22px}.markdown-render li{margin:4px 0}.markdown-render h1,.markdown-render h2,.markdown-render h3,.markdown-render h4{margin:18px 0 10px;color:#2f3846}.markdown-render h1{font-size:1.35em}.markdown-render h2{font-size:1.2em}.markdown-render h3{font-size:1.1em}.markdown-render a{color:#2f5c8c;text-decoration:underline;text-underline-offset:2px}.markdown-inline-code{padding:1px 5px;border-radius:6px;background:#f2efe9;border:1px solid #e5dfd6;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace;font-size:.92em;color:#2f3846}.markdown-code-block{margin:12px 0 16px;padding:12px 14px;border-radius:12px;background:#f4f1ec;border:1px solid #e6e0d8;overflow-x:auto}.markdown-code-block code{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace;font-size:.92em;color:#2e3642}.markdown-render table{width:100%;border-collapse:collapse;margin:0 0 12px;font-size:.95em}.markdown-render th,.markdown-render td{border:1px solid #e6e0d8;padding:8px 10px;text-align:left}.markdown-render blockquote{margin:0 0 12px;padding:8px 12px;border-left:3px solid #e0d9cf;background:#faf8f4;color:#4a5565}.working-row,.working-list{display:flex;gap:8px;flex-wrap:wrap}.working-pill{background:#f1efe8;border-radius:999px;padding:4px 10px;font-size:12px}.detail-sections{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}.toc-panel .toc-list{margin-top:6px}.toc-card{margin:6px auto 14px;max-width:72ch;padding:12px 14px;border-radius:12px;border:1px solid #e4e0d7;background:#faf9f7}.toc-title{font-size:12px;font-weight:600;color:#26344b;margin-bottom:6px}.toc-list{display:flex;flex-direction:column;gap:6px}.toc-item{border:none;background:transparent;padding:0;text-align:left;font-size:12px;color:#6a7584;cursor:pointer}.toc-item:hover{color:#2f5c8c}.toc-item.level-3{padding-left:12px;font-size:11.5px;color:#7a8695}.detail-panel.sl-reading-mode .detail-header{align-items:center}.detail-panel.sl-reading-mode .detail-actions{flex-wrap:wrap;justify-content:flex-end}.detail-panel.sl-reading-mode .problem-description{font-size:16px;line-height:1.72;color:#2f3846}.detail-panel.sl-reading-mode .problem-description-wrap{padding:16px 0 12px}.detail-panel.sl-reading-mode .detail-sections{display:none}.detail-panel.sl-reading-mode{border-color:#ede9e2;box-shadow:0 12px 30px #2224280f}.sub-panel{border:1px solid #e8e5df;border-radius:12px;padding:14px;background:#faf9f7;display:flex;flex-direction:column;gap:12px}.sub-panel-header{display:flex;justify-content:space-between;align-items:center}.comment-list{display:flex;flex-direction:column;gap:10px}.sl-comments-scroll{max-height:55vh;overflow-y:auto;padding-right:6px;display:flex;flex-direction:column;gap:10px}.sl-comment-item{padding:10px;border-radius:10px;background:#fff;border:1px solid #efece6}.sl-comment-markdown{font-size:13px;line-height:1.55;color:#4a5565;margin:6px 0 8px}.sl-comment-markdown p{margin:0 0 8px}.sl-comment-markdown p:last-child{margin-bottom:0}.sl-comment-markdown ul,.sl-comment-markdown ol{margin:0 0 8px;padding-left:18px}.sl-comment-markdown .markdown-code-block{margin:8px 0 10px;padding:10px 12px}.comment-templates{margin-top:8px;padding:12px;border-radius:12px;border:1px solid #e8e5df;background:#faf9f7;display:flex;flex-direction:column;gap:6px}.comment-templates-title{font-size:13px;font-weight:600;color:#26344b}.comment-templates-subtitle{font-size:12px;color:#7b8695}.comment-templates-actions{display:flex;flex-wrap:wrap;gap:8px}.comment-template-btn{font-size:12px;padding:6px 10px}.sl-compose{margin-top:10px;padding:8px 0 0}.sl-compose--disabled{opacity:.6}.sl-overlay-backdrop{position:fixed;inset:0;background:#161c248c;display:flex;align-items:center;justify-content:center;z-index:40;padding:24px}.sl-overlay-panel{width:min(1100px,92vw);max-height:85vh;background:#fff;border-radius:14px;padding:16px 18px 18px;box-shadow:0 20px 50px #14182033;display:flex;flex-direction:column;gap:12px;overflow:hidden}.sl-overlay-header{display:flex;align-items:center;justify-content:space-between;gap:12px}.sl-overlay-title{font-size:14px;font-weight:600;color:#26344b}.sl-overlay-actions{display:flex;flex-wrap:wrap;gap:6px}.sl-template-select{border:1px solid #d7d3c9;border-radius:8px;padding:6px 8px;background:#fff;font-size:12px;color:#26344b}.sl-overlay-body{overflow:auto}.sl-overlay-body textarea{min-height:320px;line-height:1.6;resize:both}.sl-zoom-btn,.sl-overlay-close{padding:6px 10px;font-size:12px}.comment-item{padding:10px;border-radius:10px;background:#fff;border:1px solid #e8e5df}.activity-list{display:flex;flex-direction:column;gap:10px}.activity-item{display:flex;justify-content:space-between;gap:12px;font-size:13px;color:#4a5565}.activity-time{color:#8b95a3;white-space:nowrap}.comment-author{font-weight:600;font-size:12px;margin-bottom:4px;color:#3a4759}.comment-body{font-size:14px;color:#4a5565}.comment-form,.artifact-form{display:flex;flex-direction:column;gap:8px}.artifact-list{display:flex;flex-direction:column;gap:10px}.artifact-card{border:1px solid #e8e5df;border-radius:12px;padding:12px 14px;background:#fff;display:flex;flex-direction:column;gap:6px}.artifact-title-row{display:flex;justify-content:space-between;align-items:center;gap:8px}.artifact-title{font-weight:600}.artifact-url{font-size:12px;color:#6f7a88;word-break:break-word}.artifact-meta{display:flex;gap:12px;font-size:12px;color:#6f7a88}.link-btn{border:none;background:transparent;color:#26344b;font-weight:600;cursor:pointer;padding:0;text-align:left}.btn{border:none;background:#26344b;color:#fff;padding:8px 14px;border-radius:8px;cursor:pointer;font-weight:600}.btn.secondary{background:#e9ebef;color:#26344b}.icon-btn{border:none;background:transparent;font-size:20px;cursor:pointer}.field{display:flex;flex-direction:column;gap:6px;font-size:14px}.field-hint{font-size:12px;color:#7b8695}.markdown-tabs{display:inline-flex;gap:8px;padding:4px;border-radius:999px;background:#f1f2f4;align-self:flex-start}.markdown-tab{border:none;background:transparent;padding:4px 10px;border-radius:999px;font-size:12px;font-weight:600;color:#5b6675;cursor:pointer}.markdown-tab.active{background:#fff;color:#26344b;box-shadow:0 2px 6px #26344b1f}.markdown-preview{margin-top:6px;padding:12px 14px;border-radius:12px;border:1px solid #e4e0d7;background:#faf9f7;max-width:72ch}.markdown-preview .markdown-render{margin:0 auto}.markdown-preview-empty{font-size:13px;color:#7b8695}input,textarea,select{border:1px solid #d7d3c9;border-radius:8px;padding:8px 10px;font-family:inherit}.modal-backdrop{position:fixed;inset:0;background:#1b202880;display:flex;align-items:center;justify-content:center;z-index:20}.modal{background:#fff;border-radius:16px;padding:20px;width:min(480px,92vw);max-height:90vh;overflow:auto;box-shadow:0 20px 50px #0003}.modal.large{width:min(720px,92vw)}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.modal-body{display:flex;flex-direction:column;gap:12px}.modal-actions{display:flex;justify-content:flex-end;gap:10px}.agreement-meta{display:flex;justify-content:space-between;font-size:12px;color:#6f7a88}.agreement-text{border:1px solid #e4e1da;border-radius:10px;padding:12px;background:#f9f8f4;white-space:pre-wrap;max-height:240px;overflow:auto}.error-text{color:#b4252a;font-size:13px}.error-banner{border:1px solid #f1b3b6;background:#fff1f1;padding:10px 12px;border-radius:10px;color:#9f1d26}.notice-banner{border:1px solid #e4d7a7;background:#fff6d6;padding:10px 12px;border-radius:10px;color:#7a5a12}.detail-stack{display:flex;flex-direction:column;gap:12px}.empty{color:#6f7a88;font-size:14px}@media(max-width:960px){.split-view{grid-template-columns:1fr}.panel-header{flex-direction:column;align-items:flex-start}.detail-header{flex-direction:column}.detail-actions{width:100%;justify-content:flex-start;flex-wrap:wrap}}