:root{--panel-bg: rgba(255, 255, 255, .92);--panel-fg: #1e293b;--muted: #64748b;--border: rgba(15, 23, 42, .08);--accent: #2563eb}@media(prefers-color-scheme:dark){:root{--panel-bg: rgba(17, 24, 39, .92);--panel-fg: #e5e7eb;--muted: #94a3b8;--border: rgba(255, 255, 255, .1);--accent: #60a5fa}}*{box-sizing:border-box}html,body{margin:0;height:100%;touch-action:pan-x pan-y}body{font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;overscroll-behavior:none}#map{position:fixed;top:0;right:0;bottom:0;left:0;background:#d4dadc}@media(prefers-color-scheme:dark){#map{background:#0b1220}}.hidden{display:none!important}.panel{background:var(--panel-bg);color:var(--panel-fg);border:1px solid var(--border);border-radius:14px;box-shadow:0 4px 16px #0000002e;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}.topbar{position:fixed;top:calc(env(safe-area-inset-top,0px) + 12px);right:12px;z-index:1000;display:flex;flex-direction:column;gap:10px}.icon-button{width:46px;height:46px;display:flex;align-items:center;justify-content:center;padding:0;cursor:pointer;border:1px solid var(--border);border-radius:50%;background:var(--panel-bg);color:var(--panel-fg);box-shadow:0 2px 10px #0000002e;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);-webkit-tap-highlight-color:transparent}.icon-button:active{transform:scale(.93)}.icon-button svg{width:22px;height:22px}.icon-button.busy svg{animation:spin 1s linear infinite}.icon-button.active{background:var(--accent);border-color:var(--accent);color:#fff}@keyframes spin{to{transform:rotate(360deg)}}.gps-panel{position:fixed;top:calc(env(safe-area-inset-top,0px) + 12px);left:50%;transform:translate(-50%);z-index:1050;padding:10px 14px;max-width:calc(100vw - 140px);min-width:190px;font-size:13px;text-align:center}.gps-route{font-weight:600}body.gps-on .toast{top:calc(env(safe-area-inset-top,0px) + 84px)}.gps-tunnel-card{position:fixed;left:50%;bottom:calc(env(safe-area-inset-bottom,0px) + 12px);transform:translate(-50%);z-index:1050;width:min(340px,calc(100vw - 24px));padding:12px 16px;font-size:13.5px}.gps-tunnel-main{font-weight:600}.gps-tunnel-main.near{color:#dc2626}@media(prefers-color-scheme:dark){.gps-tunnel-main.near{color:#f87171}}.gps-tunnel-list{margin-top:6px;padding-top:6px;border-top:1px solid var(--border);color:var(--muted);font-size:11.5px;display:flex;flex-direction:column;gap:3px}.gps-tunnel-list:empty{display:none;border-top:none;padding-top:0;margin-top:0}body.gps-tunnel-on .legend{bottom:calc(env(safe-area-inset-bottom,0px) + 12px + var(--gps-tunnel-card-h, 0px) + 10px)}.legend{position:fixed;left:12px;bottom:calc(env(safe-area-inset-bottom,0px) + 12px);z-index:1000;width:min(280px,calc(100vw - 96px));font-size:13px;user-select:none;-webkit-user-select:none}.legend-header{display:flex;align-items:center;gap:8px;padding:11px 14px;font-weight:600;cursor:pointer;-webkit-tap-highlight-color:transparent}.legend-header .chevron{margin-left:auto;transition:transform .2s;width:16px;height:16px}.legend.collapsed .legend-body{display:none}.legend.collapsed .chevron{transform:rotate(180deg)}.legend-body{padding:0 14px 10px}.legend-row{display:flex;align-items:center;padding:6px 0}.legend-row.static{padding-left:28px;color:var(--panel-fg);display:flex;gap:10px}.legend-row label{display:flex;align-items:center;gap:10px;flex:1;cursor:pointer}.legend input[type=checkbox]{width:18px;height:18px;margin:0;accent-color:var(--accent);flex:none}.swatch{width:26px;height:0;border-top:4px solid #888;border-radius:2px;flex:none}.swatch.dashed{border-top-style:dashed}.swatch.rail{border-top-color:var(--c-rail, #ea580c)}.swatch.road{border-top-color:var(--c-road, #2563eb)}.swatch.rail-tunnel{border-top-color:var(--c-rail-tunnel, #dc2626)}.swatch.road-tunnel{border-top-color:var(--c-road-tunnel, #1e3a8a)}.legend-note{color:var(--muted);font-size:11.5px;padding-top:8px;margin-top:6px;border-top:1px solid var(--border)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1300;display:flex;align-items:center;justify-content:center;background:#0f172a73;padding:20px}.modal{width:min(340px,100%);max-height:calc(100vh - 40px);overflow-y:auto}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;font-weight:600;border-bottom:1px solid var(--border)}.modal-close{display:flex;align-items:center;justify-content:center;width:28px;height:28px;padding:0;border:none;background:transparent;color:var(--muted);cursor:pointer;-webkit-tap-highlight-color:transparent}.modal-close svg{width:18px;height:18px}.modal-body{padding:6px 16px 18px}.filter-divider{height:1px;background:var(--border);margin:10px 0}.filter-length{padding:6px 0 2px;font-size:13px}.filter-length>label{display:block;margin-bottom:10px}.filter-length-row{display:flex;align-items:center;gap:10px}.filter-length-row input[type=range]{flex:1;accent-color:var(--accent)}.filter-length-value{min-width:54px;text-align:right;color:var(--muted);font-variant-numeric:tabular-nums}.loader{position:fixed;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;z-index:1200;pointer-events:none}.loader-card{pointer-events:auto;padding:22px 24px;width:min(330px,calc(100vw - 40px));text-align:center}.spinner{width:32px;height:32px;margin:0 auto 14px;border-radius:50%;border:3px solid var(--border);border-top-color:var(--accent);animation:spin .9s linear infinite}.loading-message{font-weight:600;font-size:14px}.status{margin-top:6px;font-size:12.5px;color:var(--muted);min-height:1.2em}.loader-hint{margin-top:12px;font-size:11.5px;color:var(--muted);line-height:1.45}.btn{margin-top:14px;padding:10px 18px;border:none;border-radius:10px;background:var(--accent);color:#fff;font-size:13.5px;font-weight:600;cursor:pointer}.btn:active{transform:scale(.97)}.toast{position:fixed;top:calc(env(safe-area-inset-top,0px) + 12px);left:50%;transform:translate(-50%);z-index:1100;padding:10px 16px;max-width:calc(100vw - 140px);font-size:13px;text-align:center}.toast-message{font-weight:600}.toast-status{color:var(--muted);font-size:12px;margin-top:2px}.toast-status:empty{display:none}.pwa-banner{position:fixed;left:50%;transform:translate(-50%);bottom:calc(env(safe-area-inset-bottom,0px) + 16px);z-index:1100;width:min(420px,calc(100vw - 24px));padding:14px 16px;font-size:13.5px;line-height:1.45}.pwa-banner-actions{display:flex;gap:10px}.pwa-banner-actions .btn{margin-top:12px;flex:1;padding:9px 14px}.pwa-banner-actions .btn.subtle{background:transparent;color:var(--muted);border:1px solid var(--border)}.leaflet-popup-content{margin:10px 14px;font:13px/1.45 system-ui,-apple-system,sans-serif}.popup-title{font-weight:650;font-size:14px}.popup-sub{color:#64748b;margin-top:2px}.leaflet-bottom.leaflet-right{display:none}@media(prefers-color-scheme:dark){.leaflet-popup-content-wrapper,.leaflet-popup-tip{background:#1f2937;color:#e5e7eb}.popup-sub,.leaflet-container a.leaflet-popup-close-button{color:#94a3b8}.leaflet-control-zoom a{background:#1f2937;color:#e5e7eb;border-color:#374151}.leaflet-control-zoom a.leaflet-disabled{background:#111827;color:#4b5563}.leaflet-control-attribution{background:#111827b3;color:#94a3b8}.leaflet-control-attribution a{color:#93c5fd}}.leaflet-tile-pane{filter:saturate(.75) brightness(1.04)}.theme-dark .leaflet-tile-pane{filter:invert(1) hue-rotate(180deg) brightness(.85) contrast(.9) saturate(.55)}