:root{--primary: #6366f1;--primary-hover: #4f46e5;--bg: #f8fafc;--card-bg: #ffffff;--text: #1e293b;--text-muted: #64748b;--border: #e2e8f0;--success: #22c55e;--highlight: #fef08a}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}.container{max-width:1200px;margin:0 auto;padding:20px}.header{text-align:center;padding:40px 20px;background:linear-gradient(135deg,var(--primary) 0%,#8b5cf6 100%);color:#fff;margin-bottom:30px;border-radius:0 0 20px 20px}.header h1{font-size:2.5rem;margin-bottom:10px}.header p{opacity:.9;font-size:1.1rem}.search-container{max-width:800px;margin:-30px auto 30px;padding:0 20px;position:relative;z-index:10}.search-box{display:flex;gap:10px;background:var(--card-bg);padding:10px;border-radius:16px;box-shadow:0 10px 40px #0000001a}.search-box input{flex:1;padding:16px 20px;font-size:1.1rem;border:2px solid var(--border);border-radius:10px;outline:none;transition:border-color .2s}.search-box input:focus{border-color:var(--primary)}.search-box button{padding:16px 32px;font-size:1.1rem;font-weight:600;background:var(--primary);color:#fff;border:none;border-radius:10px;cursor:pointer;transition:background .2s}.search-box button:hover{background:var(--primary-hover)}.search-box button:disabled{background:var(--text-muted);cursor:not-allowed}.examples{margin-top:15px;text-align:center}.examples span{color:var(--text-muted);font-size:.9rem}.examples button{background:none;border:1px solid var(--border);padding:8px 12px;min-height:30px;margin:5px;border-radius:20px;font-size:.85rem;color:var(--text);cursor:pointer;transition:all .2s}.examples button:hover{border-color:var(--primary);color:var(--primary)}.intent-debug{max-width:800px;margin:0 auto 30px;padding:20px;background:#1e293b;border-radius:12px;color:#e2e8f0;font-family:SF Mono,Monaco,monospace;font-size:.85rem}.intent-debug 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#60a5fa;cursor:pointer;font-size:.78rem;font-weight:600;padding:2px 10px;border-radius:12px;margin-left:6px;vertical-align:middle;transition:all .15s}.nano-download:hover{background:linear-gradient(135deg,#bfdbfe,#93c5fd);transform:translateY(-1px)}.nano-hint{font-size:.8rem;color:#a16207;margin-left:6px;opacity:.8}@keyframes nano-pulse{0%,to{opacity:1}50%{opacity:.6}}.keyword-expanded{display:flex;flex-wrap:wrap;align-items:center;gap:6px;padding:8px 14px;background:linear-gradient(135deg,#f0fdf4,#dcfce7);border:1px solid #86efac;border-radius:8px;margin-top:8px;font-size:.85rem}.expanded-label{color:#15803d;font-weight:600;white-space:nowrap}.expanded-tag{display:inline-block;padding:2px 10px;background:#fff;border:1px solid #4ade80;border-radius:10px;color:#166534;font-size:.82rem}.expanded-category{display:inline-block;padding:2px 10px;background:#dcfce7;border:1px solid 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var(--border)}.summary-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.summary-query{font-size:1.1rem;font-weight:600;color:var(--text)}.summary-time{font-size:.85rem;color:var(--text-muted);background:var(--bg);padding:4px 10px;border-radius:20px}.summary-scores{display:flex;gap:16px;flex-wrap:wrap}.summary-score-item{display:flex;align-items:center;gap:8px;padding:8px 16px;background:var(--bg);border-radius:8px;border:2px solid transparent;transition:all .2s}.summary-score-item.best{border-color:#22c55e;background:linear-gradient(135deg,#f0fdf4,#dcfce7)}.score-label{font-size:.9rem;color:var(--text-muted)}.score-value{font-size:1.1rem;font-weight:700;padding:2px 8px;border-radius:6px}.best-badge{font-size:.75rem;background:#22c55e;color:#fff;padding:2px 8px;border-radius:10px}.compare-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}@media (max-width: 1200px){.compare-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width: 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