*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--color-bg:#f8fafc;--color-surface:#fff;--color-border:#e2e8f0;--color-text:#1e293b;--color-text-secondary:#64748b;--color-text-muted:#94a3b8;--color-primary:#3b82f6;--color-danger:#ef4444;--color-success:#10b981;--color-warning:#f59e0b;--shadow-sm:0 1px 2px #0000000d;--shadow-md:0 4px 6px -1px #0000001a;--shadow-lg:0 10px 15px -3px #0000001a;--radius-sm:6px;--radius-md:8px;--radius-lg:12px;--sidebar-width:320px;--detail-panel-width:400px;--transition-fast:.15s ease;--transition-normal:.25s ease;--transition-slow:.4s ease}html,body,#root{width:100%;height:100%;color:var(--color-text);background:var(--color-bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Helvetica 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h1{color:var(--color-text);margin-bottom:16px;font-size:18px;font-weight:700}.search-inputs{position:relative}.search-input-wrapper{margin-bottom:8px;position:relative}.search-input-wrapper input{border:1px solid var(--color-border);border-radius:var(--radius-md);width:100%;transition:border-color var(--transition-fast);background:var(--color-bg);outline:none;padding:10px 36px 10px 12px;font-size:14px}.search-input-wrapper input:focus{border-color:var(--color-primary);background:var(--color-surface)}.search-input-wrapper input::placeholder{color:var(--color-text-muted)}.swap-btn{border:1px solid var(--color-border);background:var(--color-surface);width:32px;height:32px;color:var(--color-text-secondary);cursor:pointer;z-index:2;transition:all 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#3b82f626}.route-card-header{align-items:center;gap:10px;margin-bottom:10px;display:flex}.route-card-icon{border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:32px;height:32px;font-size:16px;display:flex}.route-card-icon.driving{color:#3b82f6;background:#dbeafe}.route-card-icon.walking{color:#10b981;background:#d1fae5}.route-card-icon.cycling{color:#f59e0b;background:#fef3c7}.route-card-name{flex:1;font-size:16px;font-weight:600}.route-card-stats{flex-wrap:wrap;gap:16px;display:flex}.route-stat{color:var(--color-text-secondary);align-items:center;gap:4px;font-size:13px;display:flex}.route-stat-value{color:var(--color-text);font-weight:600}.detail-panel-header{border-bottom:1px solid var(--color-border);flex-shrink:0;align-items:center;padding:16px;display:flex}.detail-panel-header h2{flex:1;font-size:16px;font-weight:700}.close-btn{cursor:pointer;width:32px;height:32px;color:var(--color-text-secondary);transition:all var(--transition-fast);background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;font-size:20px;display:flex}.close-btn:hover{background:var(--color-bg);color:var(--color-text)}.detail-panel-body{flex:1;padding:16px;overflow-y:auto}.detail-summary{background:var(--color-bg);border-radius:var(--radius-md);gap:20px;margin-bottom:16px;padding:12px 16px;display:flex}.detail-summary-item{flex-direction:column;flex:1;align-items:center;display:flex}.detail-summary-value{color:var(--color-text);font-size:20px;font-weight:700}.detail-summary-label{color:var(--color-text-muted);margin-top:2px;font-size:12px}.step-list{list-style:none}.step-item{border-bottom:1px solid var(--color-border);padding:12px 0 12px 28px;position:relative}.step-item:last-child{border-bottom:none}.step-item:before{content:"";background:var(--color-border);width:2px;position:absolute;top:0;bottom:0;left:8px}.step-item:first-child:before{top:12px}.step-item:last-child:before{bottom:12px}.step-dot{border:2px solid 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0;width:100%;height:70vh;top:auto;bottom:0;transform:translateY(100%)}.detail-panel.open{transform:translateY(0)}.route-comparison-panel{gap:10px;padding:12px;display:flex;overflow-x:auto}.route-card{flex-shrink:0;min-width:200px;margin-bottom:0}}