:root{--primary: #2563eb;--primary-soft: #eff6ff;--secondary: #3b82f6;--accent: #0ea5e9;--background: #ffffff;--surface: #f8fafc;--surface-alt: #f1f5f9;--border: #e2e8f0;--text: #0f172a;--text-secondary: #475569;--muted: #94a3b8;--success: #22c55e;--success-soft: #f0fdf4;--warning: #f59e0b;--warning-soft: #fef3c7;--error: #ef4444;--error-soft: #fee2e2;--font-heading: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;--font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;--font-mono: "SF Mono", ui-monospace, "Cascadia Code", monospace;--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 12px;--spacing-base: 16px;--spacing-lg: 24px;--spacing-xl: 32px;--radius-sm: 6px;--radius-base: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-full: 9999px}*{box-sizing:border-box}body{margin:0;font-family:var(--font-body);background:var(--background);color:var(--text);line-height:1.6;transition:background-color .2s ease,color .2s ease}.app{max-width:960px;margin:0 auto;padding:24px 20px 60px}.app-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;flex-wrap:wrap;gap:12px}.app-title{font-size:28px;font-weight:800;margin:0;color:var(--text);font-family:var(--font-heading)}.app-subtitle{font-size:14px;margin:4px 0 0;color:var(--text-secondary)}.header-controls{display:flex;align-items:center;gap:12px}.date-nav{display:flex;align-items:center;gap:8px}.date-nav-btn{width:32px;height:32px;border:1px solid var(--border);border-radius:8px;background:var(--background);color:var(--text);cursor:pointer;font-size:16px;line-height:1;display:flex;align-items:center;justify-content:center;pointer-events:auto}.date-nav-btn:hover:not(:disabled){background:var(--primary-soft);color:var(--primary);border-color:var(--primary)}.date-nav-btn:disabled{opacity:.4;cursor:not-allowed;pointer-events:none}.date-nav-label{font-size:14px;font-weight:600;min-width:120px;text-align:center}.toolbar{display:flex;align-items:center;margin:16px 0}.view-switcher{display:flex;gap:4px;background:var(--background);border:1px solid var(--border);border-radius:10px;padding:3px}.view-btn{border:none;background:transparent;color:var(--text-secondary);padding:6px 14px;border-radius:8px;font-size:13px;font-weight:500;cursor:pointer;transition:all .15s ease}.view-btn:hover{color:var(--text)}.view-btn.active{background:var(--primary);color:#fff;font-weight:600}.streak-counter{background:var(--background);border:1px solid var(--border);padding:6px 12px;border-radius:8px;font-size:13px;white-space:nowrap}.streak-counter.streak-gold{border-color:var(--warning);color:var(--warning)}.briefing-section{background:var(--background);border-radius:12px;padding:16px;margin-bottom:20px;border:1px solid var(--border)}.section-projects{border-color:var(--primary);border-width:2px;background:linear-gradient(to bottom,var(--primary-soft),var(--background) 40%)}.section-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;flex-wrap:wrap;gap:8px}.section-heading h2{font-size:18px;font-weight:700;margin:0}.section-meta{font-size:12px;color:var(--muted);background:var(--background);border:1px solid var(--border);padding:2px 8px;border-radius:999px}.project-list{display:grid;gap:14px}.project-list.card-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px}.card-mode{display:flex;flex-direction:column;padding:16px 12px;min-height:180px;border:1px solid var(--border);border-radius:12px;background:var(--background);transition:box-shadow .15s ease,transform .15s ease;text-align:left}.card-mode:hover{border-color:var(--primary);box-shadow:0 4px 12px #2563eb1a;transform:translateY(-2px)}.card-mode .project-name{font-size:13px;margin-bottom:6px;line-height:1.3;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}.card-mode .project-desc{font-size:12px;color:var(--text-secondary);margin:0 0 8px;line-height:1.3;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.card-stats{display:flex;align-items:center;gap:6px;margin-bottom:6px}.card-stat{font-size:13px;font-weight:600}.card-badges{display:flex;gap:4px;margin-top:auto;padding-top:6px;border-top:1px solid var(--border);width:100%;justify-content:space-between}.project-list:not(.card-grid){gap:14px}.project-list.compact-list .project-card:hover{border-left-color:var(--success);box-shadow:none}.project-list.compact-list .project-desc,.project-list.compact-list .project-stats .meta-group,.project-list.compact-list .project-stats .stat-spd{display:none}.project-list.compact-list .project-header .project-name{font-size:13px}.project-list.compact-list .badges,.project-list.compact-list .Sparkline{display:none}.project-card{border:1px solid var(--border);border-radius:10px;padding:14px 16px;background:var(--background);transition:box-shadow .15s ease,border-color .15s ease}.project-card:hover{border-color:var(--primary);box-shadow:0 2px 8px #2563eb14}.project-card.anomalous-growth,.card-mode.anomalous-growth{background:var(--warning-soft);border-color:var(--warning)}.project-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px;gap:8px}.project-name{font-weight:700;font-size:15px;color:var(--primary);text-decoration:none;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.project-name:hover{text-decoration:underline}.project-badges{display:flex;gap:6px;flex-shrink:0}.quality-score{background:var(--primary);color:#fff;font-size:12px;font-weight:700;padding:2px 8px;border-radius:6px}.badge-warning{background:var(--warning-soft);color:var(--warning);font-size:11px;font-weight:600;padding:2px 6px;border-radius:6px}.badge-fork{background:var(--success-soft);color:var(--success);font-size:11px;font-weight:600;padding:2px 6px;border-radius:6px}.project-desc{font-size:13px;color:var(--text-secondary);margin:0 0 10px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.project-stats{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:8px}.stat-group{display:flex;align-items:center;gap:8px}.stat-stars,.stat-forks,.stat-spd{font-size:12px;color:var(--text-secondary);white-space:nowrap}.meta-group{display:flex;align-items:center;gap:6px}.meta-lang,.meta-topics,.meta-updated{font-size:11px;color:var(--muted);background:#f1f5f9;padding:1px 6px;border-radius:4px;white-space:nowrap}.meta-topics{color:var(--primary);background:var(--primary-soft)}.sub-heading{font-size:15px;font-weight:600;color:var(--warning);margin:0 0 10px}.event-brief{background:var(--primary-soft);border:1px solid var(--border);border-radius:8px;padding:12px;margin-bottom:16px}.event-brief-item{display:flex;align-items:center;gap:10px;padding:6px 0}.event-brief-item+.event-brief-item{border-top:1px solid var(--border);margin-top:6px;padding-top:12px}.event-brief-count{background:var(--primary);color:#fff;font-size:11px;font-weight:700;padding:2px 6px;border-radius:4px;flex-shrink:0}.event-brief-title{font-size:14px;font-weight:600;margin:0;flex:1}.event-brief-title a{color:inherit;text-decoration:none}.event-brief-title a:hover{text-decoration:underline}.event-brief-time{font-size:12px;color:var(--muted);flex-shrink:0}.source-heading{font-size:13px;font-weight:600;margin:0 0 8px 8px}.source-heading a{color:var(--primary);text-decoration:none}.source-heading a:hover{text-decoration:underline}.news-summary-list{list-style:none;padding:0;margin:0}.news-summary-item{padding:8px 0 8px 12px;border-left:3px solid var(--border);margin-bottom:8px}.news-summary-item:hover{border-left-color:var(--primary)}.news-summary-title{font-weight:500;color:var(--text);text-decoration:none;font-size:14px;display:block;margin-bottom:4px}.news-summary-title:hover{color:var(--primary)}.news-summary-excerpt{font-size:12px;color:var(--text-secondary);margin:0 0 4px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.news-summary-time{font-size:11px;color:var(--muted)}.empty-state{color:var(--muted);font-size:13px;text-align:center;padding:20px}.status-line{text-align:center;color:var(--muted);padding:20px}.status-error{color:var(--error)}.reference-grid{display:grid;gap:12px;grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}.reference-card{background:var(--background);border:1px solid var(--border);border-radius:8px;padding:12px}.reference-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:4px}.reference-name{font-weight:700;color:var(--primary);text-decoration:none}.reference-name:hover{text-decoration:underline}.reference-category-badge{font-size:11px;padding:1px 6px;border-radius:4px;background:var(--primary-soft);color:var(--primary)}.reference-desc{font-size:12px;color:var(--text-secondary);margin:0 0 6px}.reference-footer{display:flex;gap:8px;font-size:11px;color:var(--muted)}.reference-link{color:var(--primary);text-decoration:none}.reference-link:hover{text-decoration:underline}@media (max-width: 640px){.app{padding:16px 12px 40px}.app-title{font-size:22px}.app-header,.project-header{flex-direction:column;align-items:flex-start}.project-badges{align-self:flex-start}.event-brief-item{flex-direction:column;align-items:flex-start}.briefing-section{padding:12px}}.theme-switcher{position:relative}.theme-switcher-btn{width:34px;height:34px;border:1px solid var(--border);border-radius:var(--radius-base);background:var(--background);font-size:16px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .15s ease}.theme-switcher-btn:hover{background:var(--primary-soft);border-color:var(--primary)}.theme-switcher-dropdown{position:absolute;top:calc(100% + 8px);right:0;background:var(--background);border:1px solid var(--border);border-radius:var(--radius-md);box-shadow:0 20px 25px -5px #0000001a,0 8px 10px -6px #0000001a;width:320px;z-index:100;padding:var(--spacing-base)}.theme-switcher-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-md)}.theme-switcher-title{font-weight:600;font-size:14px}.theme-switcher-close{width:24px;height:24px;border:none;background:transparent;color:var(--muted);font-size:20px;cursor:pointer;border-radius:4px}.theme-switcher-close:hover{background:var(--surface-alt)}.theme-switcher-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}.theme-option{display:flex;align-items:center;gap:8px;padding:10px;border:1px solid var(--border);border-radius:var(--radius-base);background:var(--surface);cursor:pointer;transition:all .15s ease}.theme-option:hover{border-color:var(--primary);box-shadow:0 0 0 1px var(--primary)}.theme-option.active{border-color:var(--primary);background:var(--primary-soft)}.theme-option-icon{font-size:16px}.theme-option-name{font-size:12px;font-weight:500;color:var(--text)}.theme-option-color{width:12px;height:12px;border-radius:50%;flex-shrink:0;margin-left:auto}