:root{--bg-primary: #f8f9fa;--bg-card: #ffffff;--accent-blue: #4a90d9;--accent-green: #34c759;--accent-orange: #ff9500;--accent-red: #ff3b30;--accent-purple: #9b59b6;--text-primary: #1a1a1a;--text-secondary: #666;--shadow: 0 2px 8px rgba(0,0,0,.1);--radius: 12px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg-primary);color:var(--text-primary);overflow:hidden}#root{height:100vh;width:100vw;display:flex;flex-direction:column}.app-topbar{height:56px;background:var(--bg-card);border-bottom:1px solid #eee;display:flex;align-items:center;padding:0 20px;gap:16px;z-index:10;flex-shrink:0}.app-topbar .logo{font-weight:700;font-size:18px;color:var(--accent-blue);white-space:nowrap}.app-main{flex:1;display:flex;overflow:hidden;position:relative}.graph-panel{flex:1;position:relative;background:#fff;overflow:hidden}.graph-panel svg{width:100%;height:100%}.detail-panel{width:400px;overflow-y:auto;border-left:1px solid #eee;background:var(--bg-card);flex-shrink:0}.detail-panel-full{position:absolute;top:0;left:0;right:0;bottom:0;width:100%;z-index:20;background:var(--bg-card);overflow-y:auto}.node-city{fill:var(--accent-blue)}.node-school{fill:var(--accent-purple)}.node-major{fill:var(--accent-green)}.node-destination{fill:var(--accent-orange)}.node text{font-size:12px;text-anchor:middle;fill:#333;pointer-events:none}.node-city text{font-weight:700;font-size:14px}.node-school text{font-weight:600}.node-major text{font-size:11px}.link{stroke:#ddd;stroke-width:1.5;stroke-opacity:.6}.detail-content{padding:20px}.detail-header{margin-bottom:16px}.detail-header h2{font-size:20px;margin-bottom:4px}.detail-header .subtitle{color:var(--text-secondary);font-size:14px}.detail-section{margin-bottom:20px}.detail-section h3{font-size:16px;margin-bottom:8px;display:flex;align-items:center;gap:6px}.info-row{display:flex;justify-content:space-between;padding:6px 0;font-size:14px;border-bottom:1px solid #f0f0f0}.info-row .label{color:var(--text-secondary)}.percent-bar{height:8px;border-radius:4px;background:#eee;margin:4px 0;overflow:hidden}.percent-bar .fill{height:100%;border-radius:4px;transition:width .3s}.fill-blue{background:var(--accent-blue)}.fill-green{background:var(--accent-green)}.fill-orange{background:var(--accent-orange)}.fill-purple{background:var(--accent-purple)}.destination-item{padding:10px 12px;margin:6px 0;border-radius:8px;background:#f8f9fa;cursor:pointer;transition:background .15s;border-left:3px solid var(--accent-blue)}.destination-item:hover{background:#eef1f5}.destination-item .dest-name{font-weight:600;font-size:14px}.destination-item .dest-pct{font-size:13px;color:var(--text-secondary)}.badge{display:inline-block;padding:2px 8px;border-radius:4px;font-size:11px;font-weight:600}.badge-safe{background:#e8f5e9;color:#2e7d32}.badge-warn{background:#fff3e0;color:#e65100}.badge-danger{background:#ffebee;color:#c62828}.badge-official{background:#e3f2fd;color:#1565c0}.badge-report{background:#f3e5f5;color:#7b1fa2}.badge-ai{background:#f5f5f5;color:#616161}.search-bar{position:relative;flex:1;max-width:400px}.search-bar input{width:100%;padding:8px 12px;border:1px solid #ddd;border-radius:8px;font-size:14px;outline:none;transition:border-color .15s}.search-bar input:focus{border-color:var(--accent-blue)}.search-results{position:absolute;top:100%;left:0;right:0;background:#fff;border:1px solid #ddd;border-radius:8px;box-shadow:var(--shadow);z-index:100;max-height:300px;overflow-y:auto}.search-result-item{padding:10px 12px;cursor:pointer;border-bottom:1px solid #f0f0f0;font-size:14px}.search-result-item:hover{background:#f0f6ff}.search-result-item .item-type{font-size:11px;color:var(--text-secondary);margin-left:8px}.btn{padding:8px 16px;border:none;border-radius:8px;cursor:pointer;font-size:14px;font-weight:600;transition:all .15s}.btn-primary{background:var(--accent-blue);color:#fff}.btn-primary:hover{background:#3a7bc8}.btn-outline{background:transparent;border:1px solid #ddd;color:var(--text-primary)}.btn-outline:hover{background:#f5f5f5}.gap-item{padding:12px;margin:8px 0;border-radius:8px;border-left:4px solid;cursor:pointer;transition:background .15s}.gap-item:hover{background:#f8f9fa}.gap-item.pass{border-color:var(--accent-green);background:#f0fff4}.gap-item.warn{border-color:var(--accent-orange);background:#fff8f0}.gap-item.fail{border-color:var(--accent-red);background:#fff0f0}.gap-item .gap-title{font-weight:600;font-size:14px;margin-bottom:4px}.gap-item .gap-detail{font-size:13px;color:var(--text-secondary)}.gap-item .gap-expanded{margin-top:8px;padding:10px;background:#fff;border-radius:6px;font-size:13px;line-height:1.6}.path-card{padding:12px;margin:8px 0;border-radius:8px;border:1px solid #eee;cursor:pointer;transition:all .15s}.path-card:hover{border-color:var(--accent-blue);background:#f0f6ff}.path-card.recommended{border-color:var(--accent-green);background:#f0fff4}.filter-bar{display:flex;gap:8px;padding:8px 20px;background:var(--bg-card);border-bottom:1px solid #eee;flex-wrap:wrap;flex-shrink:0}.filter-tag{padding:4px 12px;border-radius:16px;font-size:13px;cursor:pointer;border:1px solid #ddd;background:#fff;transition:all .15s}.filter-tag:hover{border-color:var(--accent-blue)}.filter-tag.active{background:var(--accent-blue);color:#fff;border-color:var(--accent-blue)}@media (max-width: 900px){.app-main{flex-direction:column}.detail-panel{width:100%;max-height:50vh;border-left:none;border-top:1px solid #eee}}