:root{--ink:#172b4d;--muted:#626f86;--subtle:#8590a2;--line:#dcdfe4;--line-bold:#b3b9c4;--surface:#fff;--bg:#f7f8f9;--bg-hover:#f1f2f4;--selected:#e9f2ff;--accent:#0c66e4;--accent-hover:#05c;--accent-pressed:#09326c;--danger:#c9372c;--warn:#b38600;--ok:#216e4e;--radius:3px;--shadow:0 1px 1px #091e421f, 0 0 1px #091e4229;--font:-apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;color:var(--ink);background:var(--bg);font-family:var(--font);-webkit-font-smoothing:antialiased;font-size:14px;line-height:1.45}*,:before,:after{box-sizing:border-box}html,body{background:var(--bg);min-height:100%;margin:0}button,input,select{font:inherit}.app-shell{width:min(1680px,100% - 24px);margin:0 auto;padding:16px 0 40px}.app-shell.is-wide{width:min(1680px,100% - 24px)}.app-layout{align-items:stretch;gap:16px;min-height:calc(100vh - 56px);display:flex}.app-sidebar{background:var(--surface);border:1px solid 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8px;font-size:.8125rem;font-weight:500}.status-tag.status-started{color:var(--accent);background:var(--selected)}.status-tag.status-completed{color:var(--ok);background:#dcfff1}.icon-btn{appearance:none;color:var(--subtle);cursor:pointer;border-radius:var(--radius);background:0 0;border:none;flex:none;padding:4px 6px;font-size:1.15rem;line-height:1}.icon-btn:hover{color:var(--danger);background:#ffedeb}.day-block+.day-block{border-top:1px solid var(--line);margin-top:20px;padding-top:16px}.day-label{color:var(--muted);margin:0 0 10px;font-size:.875rem;font-weight:600}.sentinel{text-align:center;color:var(--subtle);padding:16px 0 0;font-size:.875rem}.gantt-panel{overflow:hidden}.gantt-scroll{overflow-x:auto}.gantt-head-row{border-bottom:1px solid var(--line);min-height:36px;display:flex}.gantt-days{color:var(--muted);font-size:.75rem;font-weight:500;display:flex}.gantt-day{text-align:center;flex:none;padding:8px 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