:root{color-scheme:light;--bg: #f6f7fb;--panel: #ffffff;--panel-soft: #fbfcff;--line: #e4e8ef;--text: #182033;--muted: #657083;--accent: #4772f4;--accent-soft: #eaf0ff;--green: #12a889;--orange: #f59e0b;--red: #ef4444;--shadow: 0 18px 45px rgba(34, 42, 62, .12);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif}*{box-sizing:border-box}html,body,#root{min-height:100%}body{margin:0;background:var(--bg);color:var(--text)}button,input,textarea,select{font:inherit}button{cursor:pointer}svg{width:18px;height:18px;flex:0 0 auto}.app-shell{display:grid;grid-template-columns:276px minmax(360px,1fr) minmax(340px,390px);min-height:100vh;background:var(--bg)}.sidebar,.main-pane,.detail-pane{min-width:0}.sidebar{display:flex;flex-direction:column;gap:18px;padding:18px 14px;background:#f0f3f8;border-right:1px solid var(--line)}.sidebar-head,.topbar,.detail-actions,.app-wordmark,.task-title-line,.task-meta,.quick-add,.new-list,.subtask-add,.sync-pill{display:flex;align-items:center}.sidebar-head{justify-content:space-between;padding:0 4px}.app-wordmark{gap:10px;font-size:18px}.mark,.brand-mark{display:grid;place-items:center;background:var(--accent);color:#fff}.mark{width:30px;height:30px;border-radius:8px}.nav-group,.list-section{display:grid;gap:4px}.section-title{margin:12px 10px 6px;color:var(--muted);font-size:12px;font-weight:700;text-transform:uppercase}.section-title.danger,.danger{color:var(--red)}.nav-row{display:grid;grid-template-columns:22px minmax(0,1fr) auto;align-items:center;gap:10px;width:100%;min-height:38px;padding:8px 10px;border:0;border-radius:8px;background:transparent;color:var(--text);text-align:left}.nav-row span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.nav-row small{color:var(--muted)}.nav-row:hover,.nav-row.active{background:var(--panel)}.nav-row.active{color:var(--accent);box-shadow:0 1px #1f29370a}.color-dot{width:10px;height:10px;border-radius:999px;justify-self:center}.new-list,.subtask-add{gap:6px;margin:8px 4px 0}.new-list input,.subtask-add input{min-width:0;width:100%;height:34px;border:1px solid transparent;border-radius:8px;background:#ffffffb8;padding:0 10px}.main-pane{display:flex;flex-direction:column;padding:20px 24px 32px}.topbar{gap:14px;min-height:52px}.topbar h1{margin:0;font-size:28px;line-height:1.1}.sync-pill{gap:4px;width:fit-content;margin-top:6px;color:var(--muted);font-size:12px}.sync-pill.synced{color:var(--green)}.sync-pill.connecting svg{animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}.search-box{display:flex;align-items:center;gap:8px;width:min(340px,34vw);height:40px;margin-left:auto;padding:0 12px;border:1px solid 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