:root{--paper:#f6f6f2;--panel:#fff;--panel-sunken:#f2f2ed;--ink:#17191c;--ink-soft:#565b64;--ink-faint:#8a8f98;--line:#e2e2da;--line-strong:#cfcfc5;--accent:#0f6f66;--accent-ink:#0b544e;--accent-wash:#e8f1ef;--warn:#a16207;--warn-wash:#fbf3e2;--ok:#15803d;--ok-wash:#e9f5ec;--danger:#b3261e;--sans:-apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", sans-serif;--mono:ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;--radius:8px;--radius-sm:5px;--gutter:28px;--max-width:1440px;font:15px/1.65 var(--sans);color:var(--ink);background:var(--paper);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}*,:before,:after{box-sizing:border-box}html,body{background:var(--paper);min-height:100%;margin:0}body{color:var(--ink)}#root{flex-direction:column;height:100svh;min-height:0;display:flex;overflow:hidden}h1,h2,h3,h4{color:var(--ink);letter-spacing:-.012em;margin:0;font-weight:600;line-height:1.25}h1{font-size:26px}h2{font-size:18px}h3{font-size:15px}p{margin:0}ul,ol{margin:0;padding:0;list-style:none}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}code,kbd,.time,.mono{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:.86em}button{font:inherit;color:inherit}:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:var(--radius-sm)}::selection{background:var(--accent-wash);color:var(--accent-ink)}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important}}.card{background:var(--panel);border:1px solid 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var(--line);z-index:20;align-items:center;gap:20px;display:flex;position:sticky;top:0}.brand{letter-spacing:-.01em;white-space:nowrap;align-items:center;gap:9px;font-size:15px;font-weight:650;display:flex}.brand-mark{background:var(--accent);border-radius:4px;flex-shrink:0;width:16px;height:16px}.topnav{gap:4px;display:flex}.topnav-item{border-radius:var(--radius-sm);color:var(--ink-soft);cursor:pointer;background:0 0;border:none;padding:5px 10px;font-size:14px}.topnav-item.active{color:var(--ink);background:var(--panel-sunken);font-weight:600}.topbar-right{color:var(--ink-soft);align-items:center;gap:14px;margin-left:auto;font-size:13px;display:flex}.topbar-right .hint{font-size:13px}.stagebar{padding:0 var(--gutter);background:var(--panel);border-bottom:1px solid var(--line);scrollbar-width:thin;align-items:stretch;gap:2px;display:flex;overflow-x:auto}.stage{color:var(--ink-faint);white-space:nowrap;cursor:pointer;background:0 0;border:none;border-bottom:2px solid 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var(--line);border-radius:var(--radius);z-index:40;resize:both;width:420px;height:60vh;max-height:640px;position:fixed;bottom:24px;right:24px;overflow:hidden;box-shadow:0 8px 28px #17191c1f}.dock-handle{border:1px solid var(--line-strong);background:var(--panel);cursor:col-resize;border-radius:4px;width:20px;height:20px;position:absolute;top:50%;transform:translateY(-50%)}.dock-handle:hover{background:var(--accent-wash);border-color:var(--accent)}@media (width<=1100px){.workspace:not(.single){grid-template-columns:minmax(0, 1fr) min(var(--dock-width,420px), 360px)}}@media (width<=900px){.shell{height:auto;overflow:visible}.workspace:not(.single){grid-template-columns:1fr;max-height:none;overflow:visible}.doc-card,.chat-card{height:auto;max-height:none;overflow:visible}.doc-body,.bubbles{flex:none;min-height:auto;overflow:visible}.doc-card{border-right:none;border-bottom:1px solid var(--line)}.doc-card,.chat-card{max-height:none}.chat-body{max-height:70vh}.dock-handle{display:none}.chat-card.floating{resize:none;width:auto;height:70vh;box-shadow:none;position:static}}@media (width<=640px){:root{--gutter:16px}.topbar{height:auto;padding:10px var(--gutter);flex-wrap:wrap;gap:8px 12px}.topbar-right{justify-content:space-between;width:100%}.doc-head{flex-direction:column;align-items:flex-start;gap:10px}.doc-head-meta{align-items:flex-start}.doc-foot{flex-direction:column;align-items:stretch;gap:10px}.bubble{max-width:100%}.projects li button{flex-direction:column;align-items:flex-start;gap:4px}.projects li button .hint{text-align:left}}