@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&display=swap');
:root{font-family:'DM Sans',system-ui,sans-serif;color:#263d34;background:#f3f2eb;font-synthesis:none}*{box-sizing:border-box}body{margin:0;height:100dvh;min-height:420px;display:grid;grid-template-rows:auto minmax(0,1fr)}header{padding:16px 24px;display:flex;justify-content:space-between;align-items:center;gap:18px;border-bottom:1px solid #d9ddcf}header strong{font-size:23px;letter-spacing:-1px}header span{display:block;font-size:12px;color:#647266;margin-top:4px}nav{display:flex;gap:5px;flex-wrap:wrap}button,select{font:inherit;border:1px solid #cfd6c7;border-radius:9px;background:#fffef7;color:inherit;padding:10px 13px;cursor:pointer}button[aria-pressed=true]{background:#263d34;color:#fff;border-color:#263d34}button:focus-visible,select:focus-visible,canvas:focus-visible{outline:3px solid #ba7a32;outline-offset:3px}#viewport{position:relative;overflow:hidden;background:#f0f1e9}canvas{display:block;width:100%;height:100%;touch-action:none}.visit-tools{position:absolute;z-index:2;top:15px;left:18px;right:18px;display:flex;align-items:center;gap:6px;pointer-events:none}.visit-tools>*{pointer-events:auto}.visit-tools label{font-size:12px;padding:6px;background:#f8f8efde;border-radius:5px}.visit-tools select{max-width:190px}.visit-tools button{font-size:20px;line-height:20px;min-width:42px}#loading,#error{position:absolute;top:45%;left:10%;right:10%;text-align:center;background:#fffef2e8;padding:20px;border-radius:10px}#walkPad{position:absolute;bottom:20px;left:20px;display:grid;grid-template-columns:repeat(3,48px);gap:5px}#walkPad button{font-size:22px;touch-action:none;user-select:none;background:#fffef7e8}#walkPad button:first-child{grid-column:2}#walkPad button:nth-child(2){grid-column:1;grid-row:2}#walkPad button:nth-child(3){grid-column:2;grid-row:2}#walkPad button:nth-child(4){grid-column:3;grid-row:2}[hidden]{display:none!important}@media(max-width:650px){header{padding:12px 14px;display:block}header>div{display:flex;justify-content:space-between;align-items:center;gap:8px}header strong{font-size:20px}header span{font-size:10px}nav{margin-top:12px;display:grid;grid-template-columns:1fr 1.2fr 1.5fr}nav button{font-size:12px;padding:10px 5px}.visit-tools{left:10px;right:10px;top:10px;gap:4px}.visit-tools label{display:none}.visit-tools select{min-width:0;flex:1;max-width:240px;font-size:13px;padding:10px}#walkPad{left:14px;bottom:16px}}



@media(max-width:650px),(pointer:coarse){
 #walkPad{--walk-button-size:clamp(52px,14vw,60px);left:max(14px,env(safe-area-inset-left));bottom:max(16px,env(safe-area-inset-bottom));z-index:3;grid-template-columns:repeat(3,var(--walk-button-size));grid-template-rows:repeat(2,var(--walk-button-size));gap:8px;padding:8px;background:#f8f9f1f2;border:1px solid #fff;border-radius:18px;box-shadow:0 8px 28px #14281d45}
 #walkPad button{width:var(--walk-button-size);height:var(--walk-button-size);padding:0;font-size:28px;font-weight:700;line-height:1;color:#fff;background:#263d34;border:2px solid #fff;border-radius:12px;box-shadow:0 3px 0 #12251d}
 #walkPad button:active,#walkPad button.is-held{background:#41644f;transform:translateY(2px);box-shadow:0 1px 0 #12251d}
}

.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);clip-path:inset(50%);white-space:nowrap;border:0}

.fallback-plan{display:block;width:100%;height:100%;touch-action:none;user-select:none;background:#f0f1e9}.fallback-mode #error{top:auto;bottom:12px;left:12px;right:12px;padding:8px 12px;margin:0;font-size:12px;pointer-events:none}.fallback-mode #retry3d{pointer-events:auto;padding:6px 10px}.fallback-mode .visit-tools{z-index:2}button:disabled{opacity:.5;cursor:default}