:root{--white:#fff;--canvas:#f5f7fa;--panel:#fff;--ink:#1b1f24;--ink-soft:#6a727c;--ink-faint:#9aa2ac;--line:#e7ebf0;--line-strong:#d5dbe2;--holo:#00d2ff;--holo-deep:#00a6cc;--holo-soft:#d6f5ff;--purple:#7b61ff;--purple-soft:#ece7ff;--blue2d:#4b9dff;--blue2d-soft:#e2effe;--green:#22b573;--green-soft:#dff5ea;--amber:#f5a623;--amber-soft:#fdf0d8;--danger:#ff5a5f;--danger-soft:#ffe4e5;--radius-sm:8px;--radius:12px;--radius-lg:18px;--radius-pill:999px;--shadow-sm:0 1px 3px #1b1f240f;--shadow:0 6px 22px #1b1f2414;--shadow-lg:0 18px 48px #1b1f2424;--glow:0 0 24px #00d2ff73;--font:"Inter", "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;--topbar-h:60px}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:var(--font);color:var(--ink);background:var(--canvas);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility}button{cursor:pointer;color:inherit;background:0 0;border:none;font-family:inherit}input,select{font-family:inherit}::selection{background:var(--holo-soft)}*{scrollbar-width:thin;scrollbar-color:var(--line-strong) transparent}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--line-strong);background-clip:padding-box;border:3px solid #0000;border-radius:999px}::-webkit-scrollbar-thumb:hover{background:var(--ink-faint);background-clip:padding-box;border:3px solid #0000}.app-shell{flex-direction:column;width:100%;height:100%;min-height:0;display:flex;overflow:hidden}.app-body{flex:1;min-width:0;min-height:0;display:flex;overflow:hidden}.app-main{flex-direction:column;flex:1;min-width:0;min-height:0;display:flex;position:relative}.app{flex-direction:column;height:100%;min-height:0;display:flex;position:relative}.app-sidebar{--sidebar-w:68px;width:var(--sidebar-w);min-width:var(--sidebar-w);background:var(--panel);border-right:1px solid 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var(--line);border-radius:50%;flex-shrink:0;width:26px;height:26px}.topbar-user{color:var(--holo);text-overflow:ellipsis;white-space:nowrap;font-size:13px;font-weight:600;overflow:hidden}.topbar-user-caret{color:var(--ink-faint);margin-left:-2px;font-size:10px;line-height:1}.topbar-user-dropdown{background:var(--panel,#fff);border:1px solid var(--line);z-index:80;border-radius:12px;min-width:148px;padding:6px;position:absolute;top:calc(100% + 6px);right:0;box-shadow:0 10px 28px #0f172a1f}.topbar-user-item{text-align:left;width:100%;height:36px;color:var(--ink);cursor:pointer;background:0 0;border:0;border-radius:8px;padding:0 12px;font-size:13px;font-weight:500;display:block}.topbar-user-item:hover{background:var(--canvas)}.topbar-user-item.danger{color:#b42318}.auth-mode-tabs{background:var(--canvas);border-radius:10px;grid-template-columns:1fr 1fr;gap:6px;margin-bottom:14px;padding:4px;display:grid}.auth-mode-tabs 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6px;font-size:10px;font-weight:700}.project-switcher-check{color:var(--holo-deep);flex-shrink:0}.project-switcher-new{border:1px dashed var(--line-strong);width:100%;color:var(--ink-soft);cursor:pointer;background:0 0;border-radius:8px;margin-top:6px;padding:10px;font-size:13px;font-weight:700}.project-switcher-actions{flex-direction:column;gap:6px;margin-top:6px;display:flex}.project-switcher-actions .project-switcher-new{margin-top:0}.project-switcher-new.secondary{color:var(--ink-faint);border-style:solid;font-weight:600}.project-switcher-new:hover{border-color:var(--holo);color:var(--holo-deep);background:var(--holo-soft)}.project-promote-label{color:var(--ink-soft);margin-bottom:6px;font-size:12px;font-weight:600;display:block}.project-promote-hint{color:var(--ink-faint);margin:10px 0 0;font-size:12px;line-height:1.5}.autosave{color:var(--green);background:var(--green-soft);border-radius:var(--radius-pill);align-items:center;gap:6px;padding:4px 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