:root{color-scheme:light;--bg:#f5f5f0;--panel:#fff;--text:#1a1d24;--muted:#7a7f8a;--accent:#2563eb;--accent-hover:#1d4ed8;--accent-2:#f97316;--border:#e8e5df;--border-hover:#d0cdc6;--success:#16a34a;--danger:#dc2626;--radius:12px;--radius-sm:8px;--shadow-sm:0 1px 3px rgba(0,0,0,.06);--shadow-md:0 4px 16px rgba(0,0,0,.08);--shadow-lg:0 12px 32px rgba(0,0,0,.12);--transition:180ms ease}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,system-ui,sans-serif;background:var(--bg);color:var(--text);line-height:1.5;-webkit-font-smoothing:antialiased}.app-header{position:-webkit-sticky;position:sticky;top:0;z-index:20;background:var(--panel);border-bottom:1px solid var(--border);padding:10px 20px;display:flex;align-items:center;gap:16px;flex-wrap:wrap}.app-header h1{font-size:18px;font-weight:700;white-space:nowrap}.header-controls{display:flex;align-items:center;gap:8px;flex-wrap:wrap;flex:1 1}.header-datetime{display:flex;align-items:center;gap:6px}.header-datetime input{width:auto;padding:6px 10px;font-size:13px}.header-right{display:flex;align-items:center;gap:8px;margin-left:auto}.main-layout{display:grid;grid-template-columns:1fr 420px;height:calc(100vh - 53px)}.map-section{position:relative;min-height:0}.map-container{width:100%;height:100%}.map-overlay{position:absolute;inset:0;display:grid;place-items:center;background:hsla(0,0%,100%,.8);font-size:14px;color:var(--muted);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.sidebar{border-left:1px solid var(--border);background:var(--panel);overflow-y:auto;display:flex;flex-direction:column}.sidebar-section{padding:16px;border-bottom:1px solid var(--border)}.sidebar-section:last-child{border-bottom:none}h3{font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:.04em;margin-bottom:10px}.muted,h3{color:var(--muted)}.muted{font-size:12px}.text-sm{font-size:13px}label{display:block;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.03em;color:var(--muted);margin-bottom:4px}input,select,textarea{font:inherit;width:100%;padding:8px 10px;border-radius:var(--radius-sm);border:1px solid var(--border);background:#fff;font-size:14px;transition:border-color var(--transition),box-shadow var(--transition);outline:none}input:focus,select:focus,textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(37,99,235,.1)}textarea{resize:vertical;min-height:56px}input[type=number]{width:80px}button{font:inherit;border:none;background:var(--accent);color:#fff;padding:8px 14px;border-radius:var(--radius-sm);cursor:pointer;font-size:13px;font-weight:500;transition:background var(--transition),transform var(--transition);white-space:nowrap}button:hover{background:var(--accent-hover)}button:active{transform:scale(.97)}button.sm{padding:5px 10px;font-size:12px}button.secondary{background:#f0f0ed;color:var(--text)}button.secondary:hover{background:#e4e4e0}button.ghost{background:transparent;border:1px solid var(--border);color:var(--text)}button.ghost:hover{background:#f5f5f2;border-color:var(--border-hover)}button.danger-ghost{background:transparent;color:var(--danger);border:1px solid transparent}button.danger-ghost:hover{background:#fef2f2;border-color:#fecaca}button.icon-btn{background:transparent;color:var(--muted);padding:4px 6px;border-radius:6px;display:inline-flex;align-items:center;justify-content:center;font-size:16px;line-height:1}button.icon-btn:hover{background:#f0f0ed;color:var(--text)}.search-wrapper{position:relative}.search-row{display:flex;gap:6px}.search-row input{flex:1 1}.search-row button{flex-shrink:0}.search-dropdown{position:absolute;top:calc(100% + 4px);left:0;right:0;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius-sm);box-shadow:var(--shadow-md);z-index:30;max-height:240px;overflow-y:auto}.search-dropdown-item{display:block;width:100%;text-align:left;padding:10px 12px;border:none;background:none;color:var(--text);font-size:13px;cursor:pointer;border-bottom:1px solid var(--border);border-radius:0;white-space:normal}.search-dropdown-item:last-child{border-bottom:none}.search-dropdown-item.active,.search-dropdown-item:hover{background:#f5f7fa}.search-dropdown-item .search-item-name{font-weight:500}.search-dropdown-item .search-item-address{color:var(--muted);font-size:12px}.route-controls{display:grid;grid-template-columns:1fr 1fr;grid-gap:8px;gap:8px}.optimize-btn-row{display:flex;align-items:center;gap:8px}.stops-list{display:flex;flex-direction:column;gap:0}.stop-card{position:relative;padding:12px;border:1px solid var(--border);border-radius:var(--radius);background:#fff;margin-bottom:2px;transition:box-shadow var(--transition),border-color var(--transition);cursor:default}.stop-card:hover{border-color:var(--border-hover);box-shadow:var(--shadow-sm)}.stop-card.dragging{opacity:.5;box-shadow:var(--shadow-md)}.stop-card.drag-over{border-color:var(--accent);box-shadow:0 0 0 2px rgba(37,99,235,.15)}.stop-card-header{display:flex;align-items:center;gap:8px}.stop-drag-handle{cursor:-webkit-grab;cursor:grab;color:var(--muted);font-size:16px;padding:2px 4px;-webkit-user-select:none;-moz-user-select:none;user-select:none;flex-shrink:0}.stop-drag-handle:active{cursor:-webkit-grabbing;cursor:grabbing}.stop-name{font-weight:600;font-size:14px;flex:1 1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.stop-number{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:50%;font-size:11px;font-weight:700;background:var(--accent);color:#fff;flex-shrink:0}.stop-meta{display:grid;grid-template-columns:1fr 1fr;grid-gap:4px 12px;gap:4px 12px;margin-top:8px;font-size:13px}.stop-meta-label{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.02em;font-weight:500}.stop-meta-value{font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.stop-detail{margin-top:8px;display:grid;grid-gap:8px;gap:8px}.stop-actions{display:flex;gap:4px;margin-top:8px;justify-content:flex-end}.stop-expand-toggle{background:none;border:none;color:var(--muted);font-size:12px;padding:2px 6px;cursor:pointer;border-radius:4px}.stop-expand-toggle:hover{background:#f0f0ed;color:var(--text)}.travel-connector{display:flex;align-items:center;justify-content:center;padding:4px 0;font-size:12px;color:var(--muted);gap:6px}.travel-connector-line{width:1px;height:12px;background:var(--border)}.travel-connector-badge{background:#f5f5f2;padding:2px 8px;border-radius:10px;font-size:11px;font-weight:500;color:var(--muted)}.end-card{border:1px dashed var(--border);border-radius:var(--radius);padding:12px;background:#fafaf8}.end-card .stop-number{background:var(--accent-2)}.toast-container{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);z-index:100;display:flex;flex-direction:column;gap:8px;pointer-events:none}.toast{background:var(--text);color:#fff;padding:10px 18px;border-radius:10px;font-size:14px;font-weight:500;box-shadow:var(--shadow-lg);pointer-events:auto;animation:toast-in .25s ease;display:flex;align-items:center;gap:10px}.toast-info{background:var(--accent)}.toast-success{background:var(--success)}@keyframes toast-in{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.modal-backdrop{position:fixed;inset:0;background:rgba(15,18,25,.5);display:grid;place-items:center;z-index:50;padding:20px;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.modal{width:min(560px,95vw);background:var(--panel);border-radius:16px;border:1px solid var(--border);padding:24px;box-shadow:var(--shadow-lg)}.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.modal-header h2{font-size:18px;font-weight:700}.modal-body{display:grid;grid-gap:16px;gap:16px}.export-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:8px;gap:8px}.export-card{display:flex;flex-direction:column;align-items:center;gap:6px;padding:16px 12px;border:1px solid var(--border);border-radius:var(--radius);background:#fff;cursor:pointer;transition:all var(--transition);font-size:13px;font-weight:500;color:var(--text)}.export-card:hover{border-color:var(--accent);background:#f5f7ff}.export-icon{font-size:24px;line-height:1}.export-options{display:flex;flex-wrap:wrap;gap:12px;font-size:13px}.export-options label{font-size:13px;text-transform:none;letter-spacing:normal;font-weight:400;color:var(--text);display:flex;align-items:center;gap:6px;cursor:pointer;margin-bottom:0}.export-options input[type=checkbox]{width:auto}.row{display:flex;gap:8px;align-items:center}.stack{display:grid;grid-gap:12px;gap:12px}.tag{display:inline-flex;align-items:center;padding:2px 8px;border-radius:999px;font-size:11px;font-weight:600;background:#eef3ff;color:var(--accent)}.tag-orange{background:#fff7ed;color:var(--accent-2)}.empty-state{text-align:center;padding:32px 16px;color:var(--muted);font-size:14px}.empty-state-icon{font-size:32px;margin-bottom:8px;opacity:.5}@media (max-width:860px){.main-layout{grid-template-columns:1fr;height:auto}.map-section{height:45vh;min-height:280px}.sidebar{border-left:none;border-top:1px solid var(--border)}.app-header{position:relative}.export-grid{grid-template-columns:1fr}}@media (max-width:480px){.app-header{padding:8px 12px;gap:8px}.sidebar-section{padding:12px}.header-datetime input{max-width:120px}}