:root{--bg: #0d1117;--bg-card: #161b22;--bg-hover: #1c2128;--border: #30363d;--text-primary: #e6edf3;--text-secondary: #8b949e;--accent: #00d4aa;--accent-hover: #00b896;--red: #f85149;--yellow: #d29922;--blue: #58a6ff;--green: #3fb950;--text-on-accent: #000;--toggle-off: #444;--toast-success: #238636;--toast-error: #da3633;font-family:IBM Plex Sans,system-ui,sans-serif}:root[data-theme=light]{--bg: #f5f5f5;--bg-card: #ffffff;--bg-hover: #e8e8e8;--border: #d0d0d0;--text-primary: #111111;--text-secondary: #555555;--accent: #008f74;--accent-hover: #007a63;--red: #dc2626;--yellow: #a16207;--blue: #2563eb;--green: #16a34a;--text-on-accent: #ffffff;--toggle-off: #aaa;--toast-success: #16a34a;--toast-error: #dc2626}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text-primary);min-height:100vh}.mono{font-family:IBM Plex Mono,monospace}.text-sm{font-size:13px}.text-xs{font-size:11px}.text-secondary{color:var(--text-secondary)}.badge{display:inline-block;padding:2px 8px;border-radius:10px;font-size:11px;font-weight:600}.badge-hot{background:#f8514933;color:var(--red)}.badge-mid{background:#d2992233;color:var(--yellow)}.badge-low{background:#8b949e33;color:var(--text-secondary)}.badge-new{background:#3fb95033;color:var(--green)}.theme-toggle-group{display:flex;gap:8px;margin-top:8px}.theme-btn{padding:8px 18px;border-radius:6px;border:1px solid var(--border);background:var(--bg-card);color:var(--text-secondary);cursor:pointer;font-size:14px;transition:background .15s,color .15s}.theme-btn.active{background:var(--accent);color:var(--text-on-accent);border-color:var(--accent)}.theme-btn:hover:not(.active){background:var(--bg-hover)}.theme-hint{margin-top:6px;font-size:12px;color:var(--text-secondary)}