:root{--bg:#f3f4f6;--surface:#fff;--text:#0f172a;--muted:#475569;--primary:#1d4ed8;--danger:#b91c1c;--success:#166534;--border:#dbeafe}*{box-sizing:border-box}body,html{margin:0;padding:0;font-family:Segoe UI,PingFang SC,sans-serif;background:radial-gradient(circle at 20% 20%,#dbeafe 0,var(--bg) 55%);color:var(--text)}.page{max-width:1200px;margin:0 auto;padding:24px}.trajectory-page{max-width:1360px}.card{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:18px;animation:rise-in .26s ease-out}.upload-card{max-width:620px;margin:80px auto;display:grid;grid-gap:14px;gap:14px}.link-btn,.list-item,.primary-btn{border:none;border-radius:10px;padding:10px 14px;background:#e2e8f0;color:var(--text);text-decoration:none;cursor:pointer}.primary-btn{background:var(--primary);color:#fff;font-weight:600}.link-btn{display:inline-block;width:-moz-fit-content;width:fit-content}.status{margin:0;padding:8px 10px;border-radius:8px}.status.error{color:var(--danger);background:#fee2e2}.status.success{color:var(--success);background:#dcfce7}.toolbar{justify-content:space-between}.controls,.toolbar{display:flex;align-items:center;margin-bottom:16px}.controls{flex-wrap:wrap;gap:12px}.controls select{padding:8px 10px;border-radius:8px;border:1px solid #cbd5e1}.mode-switch{display:inline-flex;border:1px solid #cbd5e1;border-radius:10px;overflow:hidden}.mode-btn{border:none;padding:8px 14px;background:#f1f5f9;cursor:pointer}.mode-btn.active{background:#1d4ed8;color:#fff}.scope-text{color:var(--muted);font-size:14px}.trajectory-grid{display:grid;grid-template-columns:2fr 1fr;grid-gap:16px;gap:16px}.map-card{min-height:560px}.side-panel{display:grid;grid-gap:16px;gap:16px;align-content:start}.panel h3{margin-top:0;margin-bottom:10px}.list-container{display:grid;grid-gap:8px;gap:8px;max-height:240px;overflow:auto}.list-item{display:grid;grid-gap:4px;gap:4px;text-align:left;background:#eff6ff}.list-item.selected{outline:2px solid #1d4ed8}.list-item.selected-stay{outline:2px solid #16a34a}@media (max-width:960px){.trajectory-grid{grid-template-columns:1fr}.map-card{min-height:420px}}@keyframes rise-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}