:root{--color-primary: #2563eb;--color-primary-hover: #1d4ed8;--color-background: #f6f8fb;--color-surface: #ffffff;--color-text-primary: #111827;--color-text-secondary: #6b7280;--color-border: #e5e7eb;--color-success: #16a34a;--color-warning: #d97706;--color-danger: #dc2626;--color-info: #0284c7;--color-navigation: #0f172a;--font-size-page-title: 24px;--font-size-section-title: 18px;--font-size-base: 14px;--font-size-secondary: 13px;--font-size-caption: 12px;--control-height: 40px;--touch-target-min: 44px;--radius-card: 10px;--radius-control: 8px;--space-1: 8px;--space-2: 16px;--space-3: 24px;--space-4: 32px;--topbar-height: 64px;--sidebar-width: 240px;--sidebar-collapsed-width: 72px;--content-max-width: 1600px;--shadow-card: 0 1px 2px rgba(17, 24, 39, .04), 0 1px 3px rgba(17, 24, 39, .06);--shadow-float: 0 6px 16px rgba(17, 24, 39, .1)}*{box-sizing:border-box}html,body,#root{margin:0;padding:0;min-height:100%}body{font-family:-apple-system,BlinkMacSystemFont,Inter,PingFang SC,Microsoft YaHei,Noto Sans CJK SC,Arial,sans-serif;background:var(--color-background);color:var(--color-text-primary);font-size:var(--font-size-base)}.app-shell-content{flex:1;min-width:0;width:100%;padding:var(--space-3);overflow-x:hidden}@media (max-width: 1024px){.app-shell-content{padding:20px}}@media (max-width: 768px){.app-shell-content{padding:var(--space-2)}}.app-shell-content-inner{width:100%;max-width:var(--content-max-width);margin:0 auto}.app-shell-topbar{position:sticky;top:0;z-index:100;height:var(--topbar-height);background:var(--color-surface);border-bottom:1px solid var(--color-border)}.app-shell-sidebar-toggle{min-width:var(--touch-target-min);min-height:var(--touch-target-min)}.detail-summary-stuck{position:sticky;top:var(--topbar-height);z-index:20;background:var(--color-surface);border-bottom:1px solid var(--color-border);box-shadow:var(--shadow-card);border-radius:0 0 var(--radius-card) var(--radius-card)}.task-card{border-radius:6px;padding:10px 12px;transition:box-shadow .2s ease,opacity .2s ease}.task-level-0{background:#e6f4ff;border-left:4px solid #1677ff}.task-level-1{background:#f0f5ff;border-left:3px solid #69b1ff}.task-level-2{background:#fafafa;border-left:2px solid #d9d9d9}.task-card:hover{box-shadow:0 2px 8px #0000001a}.task-completed{opacity:.6}.task-highlight{box-shadow:0 0 0 2px #faad14,0 4px 12px #faad1459;animation:task-pulse 1.1s ease-in-out 2}@keyframes task-pulse{0%,to{box-shadow:0 0 0 2px #faad14,0 4px 12px #faad1459}50%{box-shadow:0 0 0 5px #faad1473,0 4px 12px #faad1459}}.comment-highlight{box-shadow:0 0 0 2px #eb2f96,0 2px 8px #eb2f964d;animation:comment-pulse 1.1s ease-in-out 3}@keyframes comment-pulse{0%,to{box-shadow:0 0 0 2px #eb2f96,0 2px 8px #eb2f964d}50%{box-shadow:0 0 0 5px #eb2f9666,0 2px 8px #eb2f964d}}.ps-row-highlight>td{background:#fffbe6!important}.ps-row-highlight{animation:ps-flash 1.2s ease-in-out 2}@keyframes ps-flash{0%,to{opacity:1}50%{opacity:.55}}.dash-stat{cursor:pointer;border-radius:8px;background:#fff;border:1px solid #f0f0f0;padding:14px 16px;transition:transform .18s ease,box-shadow .18s ease;-webkit-user-select:none;user-select:none}.dash-stat:hover{transform:translateY(-3px);box-shadow:0 6px 16px #0000001a}