:root{--bg: #f6f7f9;--card: #ffffff;--text: #1f2329;--muted: #8a8f99;--line: #e5e7eb;--primary: #2563eb;--primary-hover: #1d4ed8;--up: #d33;--down: #2a8;--danger: #d33;--shadow: 0 1px 3px rgba(0, 0, 0, .04), 0 1px 2px rgba(0, 0, 0, .06)}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Helvetica Neue,Helvetica,Segoe UI,Arial,sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.5}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.95em}.loading,.empty{padding:60px 20px;text-align:center;color:var(--muted)}.error{background:#fef2f2;color:var(--danger);padding:10px 14px;border-radius:6px;margin:10px 0;border:1px solid #fecaca}.hint{color:var(--muted);font-size:12px;margin-top:16px}button{cursor:pointer;border:1px solid var(--line);background:var(--card);padding:8px 14px;border-radius:6px;font-size:14px;transition:all .15s}button:hover:not(:disabled){border-color:var(--primary);color:var(--primary)}button:disabled{opacity:.5;cursor:not-allowed}button.primary{background:var(--primary);color:#fff;border-color:var(--primary)}button.primary:hover:not(:disabled){background:var(--primary-hover);border-color:var(--primary-hover);color:#fff}button.danger{color:var(--danger)}button.danger:hover{border-color:var(--danger)}.link-btn{background:none;border:none;padding:4px 6px;color:var(--primary)}.link-btn.danger{color:var(--danger)}.link-btn:hover{background:#0000000a}input[type=text],input[type=password],textarea{width:100%;padding:9px 12px;border:1px solid var(--line);border-radius:6px;font-size:14px;font-family:inherit;background:var(--card);color:var(--text);transition:border-color .15s}input:focus,textarea:focus{outline:none;border-color:var(--primary)}textarea{resize:vertical;min-height:80px}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#eef2ff,#f0fdf4);padding:20px}.auth-card{background:var(--card);padding:32px;border-radius:12px;box-shadow:var(--shadow);width:100%;max-width:380px}.auth-card h1{margin:0 0 4px;font-size:22px;text-align:center}.auth-sub{color:var(--muted);margin:0 0 24px;text-align:center;font-size:13px}.auth-card form{display:flex;flex-direction:column;gap:10px}.tabs{display:flex;margin-bottom:16px;border:1px solid var(--line);border-radius:6px;overflow:hidden}.tabs button{flex:1;border:none;border-radius:0;background:transparent;padding:10px}.tabs button.active{background:var(--primary);color:#fff}.app{min-height:100vh}.topbar{background:var(--card);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}.topbar-inner{max-width:960px;margin:0 auto;padding:12px 20px;display:flex;align-items:center;gap:24px}.brand{font-weight:600;font-size:16px;color:var(--text)}.brand:hover{text-decoration:none;color:var(--primary)}.topbar nav{display:flex;gap:4px;flex:1}.nav-link{padding:6px 12px;border-radius:4px;color:var(--text)}.nav-link:hover{background:#0000000a;text-decoration:none}.nav-link.active{background:var(--primary);color:#fff}.user-menu{display:flex;align-items:center;gap:8px;color:var(--muted)}.user-menu .hello{font-size:13px}.main{max-width:960px;margin:0 auto;padding:24px 20px}.post-list{display:flex;flex-direction:column;gap:12px}.post-card{background:var(--card);padding:16px 20px;border-radius:8px;box-shadow:var(--shadow);display:block;color:var(--text);transition:box-shadow .15s,transform .15s}.post-card:hover{text-decoration:none;box-shadow:0 2px 8px #00000014;transform:translateY(-1px)}.post-card h2{margin:8px 0;font-size:18px;color:var(--text)}.post-meta{font-size:12px;color:var(--muted);display:flex;gap:12px;align-items:center;flex-wrap:wrap}.post-meta .author{color:var(--text);font-weight:500}.symbol-tag{background:#f1f5f9;padding:1px 8px;border-radius:4px;font-family:ui-monospace,monospace;font-size:11px;color:var(--primary)}.excerpt{color:#555;margin:0 0 8px}.post-footer{color:var(--muted);font-size:13px}.post-detail{max-width:720px;margin:0 auto}.back{display:inline-block;margin-bottom:16px;font-size:13px}.post-detail article{background:var(--card);padding:28px;border-radius:8px;box-shadow:var(--shadow)}.post-detail h1{margin:0 0 8px;font-size:24px}.post-body{margin-top:20px;line-height:1.7;font-size:15px}.post-body p{margin:0 0 12px;white-space:pre-wrap;word-wrap:break-word}.post-actions{margin-top:24px;padding-top:16px;border-top:1px solid var(--line)}.comments{background:var(--card);margin-top:16px;padding:24px;border-radius:8px;box-shadow:var(--shadow)}.comments h3{margin:0 0 16px;font-size:16px}.comment-form{display:flex;flex-direction:column;gap:8px;margin-bottom:20px}.comment-form button{align-self:flex-end}.comment-list{list-style:none;padding:0;margin:0}.comment-list li{padding:12px 0;border-top:1px solid var(--line)}.comment-list li:first-child{border-top:none}.comment-meta{display:flex;gap:12px;align-items:center;font-size:12px;color:var(--muted);margin-bottom:4px}.comment-meta strong{color:var(--text);font-weight:500}.comment-body p{margin:0 0 6px;white-space:pre-wrap}.new-post{max-width:720px;margin:0 auto;background:var(--card);padding:28px;border-radius:8px;box-shadow:var(--shadow)}.new-post h2{margin:0 0 16px}.new-post form{display:flex;flex-direction:column;gap:12px}.row-actions{display:flex;gap:8px;justify-content:flex-end}.cat-group{margin-bottom:24px}.cat-title{margin:16px 0 8px;font-size:14px;font-weight:600;color:var(--text);padding:4px 10px;background:#eef2ff;border-left:3px solid var(--primary);border-radius:3px;display:inline-block}.cat-count{color:var(--muted);font-weight:400;font-size:12px;margin-left:4px}.cat-cell{font-size:12px;color:var(--muted)}.actions-col{width:1%;white-space:nowrap}.row-actions{display:flex;gap:4px;align-items:center}.icon-btn{padding:4px 8px;font-size:13px;min-width:28px;line-height:1}.icon-btn:disabled{opacity:.3}.icon-btn.danger:hover{color:var(--danger);border-color:var(--danger)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;display:flex;align-items:center;justify-content:center;z-index:100;padding:20px}.modal{background:var(--card);border-radius:8px;padding:24px;max-width:440px;width:100%;box-shadow:0 4px 24px #0003}.modal h3{margin:0 0 16px}.modal label{display:block;font-size:13px;color:var(--muted);margin-bottom:12px}.modal label input,.modal label textarea{margin-top:4px}.modal .row-actions{justify-content:flex-end;margin-top:16px}.cat-chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:6px}.chip{padding:3px 10px;border-radius:12px;font-size:12px;background:#f1f5f9;border:1px solid var(--line);color:var(--text);cursor:pointer;transition:all .15s}.chip:hover{background:#e2e8f0}.chip.active{background:var(--primary);color:#fff;border-color:var(--primary)}.watchlist .tabs{max-width:280px}.add-row{display:flex;gap:8px;margin:16px 0;align-items:center;flex-wrap:wrap}.add-row>*{flex:0 0 auto}.add-row .stock-search,.add-row .stock-picker{flex:1;min-width:200px}.quote-table{width:100%;border-collapse:collapse;background:var(--card);border-radius:8px;overflow:hidden;box-shadow:var(--shadow)}.quote-table th,.quote-table td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--line)}.quote-table th{background:#fafafa;font-weight:500;color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.5px}.quote-table tr:last-child td{border-bottom:none}.quote-table .num{text-align:right;font-variant-numeric:tabular-nums}.quote-table tr.up td.num{color:var(--up)}.quote-table tr.down td.num{color:var(--down)}.quote-table .note{color:var(--muted)}.quote-card{background:linear-gradient(135deg,#fafafa,#f0f4f8);border:1px solid var(--line);padding:14px 18px;border-radius:8px;margin:16px 0}.quote-card.up{background:linear-gradient(135deg,#fff5f5,#fef2f2);border-color:#fecaca}.quote-card.down{background:linear-gradient(135deg,#f0fdf4,#dcfce7);border-color:#bbf7d0}.quote-head{display:flex;gap:10px;align-items:baseline}.quote-head .symbol{color:var(--muted);font-size:12px}.quote-price{display:flex;gap:12px;align-items:baseline;margin:6px 0}.quote-price .current{font-size:22px;font-weight:600}.quote-card.up .quote-price{color:var(--up)}.quote-card.down .quote-price{color:var(--down)}.quote-stats{color:var(--muted);font-size:12px;display:flex;gap:14px;flex-wrap:wrap}.stock-search{position:relative}.suggest{position:absolute;top:100%;left:0;right:0;background:var(--card);border:1px solid var(--line);border-radius:6px;margin:4px 0 0;padding:4px 0;list-style:none;box-shadow:var(--shadow);z-index:5;max-height:320px;overflow-y:auto}.suggest li{padding:8px 12px;cursor:pointer;display:flex;gap:10px;align-items:baseline}.suggest li:hover{background:#f1f5f9}.stock-picker{display:inline-flex;gap:8px;align-items:center;padding:8px 12px;background:#f1f5f9;border-radius:6px}.stock-picker .picked{font-weight:500}@media (max-width: 600px){.topbar-inner{gap:12px;padding:10px 14px;flex-wrap:wrap}.topbar nav{order:3;flex-basis:100%}.main{padding:16px 14px}.post-detail article,.comments,.new-post{padding:18px}.quote-table{font-size:13px}.quote-table th,.quote-table td{padding:8px 6px}}