*{box-sizing:border-box}
html,body{margin:0;height:100%;overflow:hidden;background:#0d1117;font-family:system-ui,-apple-system,"Segoe UI",Tahoma,"Vazirmatn",sans-serif;-webkit-tap-highlight-color:transparent}
#vrt-app{position:fixed;inset:0;color:#14171c}
.vrt-stage{position:absolute;inset:0}
.vrt-stage canvas{display:block;width:100%;height:100%;touch-action:none;cursor:grab}
.vrt-stage canvas:active{cursor:grabbing}
.vrt-boot,.vrt-loader{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;color:#e8e4dd;background:#0d1117;z-index:20}
.vrt-loader{display:none;background:rgba(13,17,23,.55);backdrop-filter:blur(3px)}
.vrt-loader.on{display:flex}
.vrt-spin{width:34px;height:34px;border:3px solid rgba(255,255,255,.25);border-top-color:#fff;border-radius:50%;animation:vrtspin 0.9s linear infinite}
@keyframes vrtspin{to{transform:rotate(360deg)}}
.vrt-ui{position:absolute;inset:0;pointer-events:none;z-index:5}
.vrt-ui>*{pointer-events:auto}
.vrt-head{position:absolute;top:max(14px,env(safe-area-inset-top));inset-inline-start:14px;background:rgba(255,255,255,.88);backdrop-filter:blur(8px);border-radius:12px;padding:8px 12px;box-shadow:0 2px 10px rgba(0,0,0,.12);max-width:60vw}
.vrt-brand{font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:#5b6270}
.vrt-title{font-size:15px;font-weight:650;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.vrt-spaces{position:absolute;top:max(14px,env(safe-area-inset-top));inset-inline-end:14px;display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end;max-width:50vw}
.vrt-stops{position:absolute;top:calc(max(14px,env(safe-area-inset-top)) + 58px);inset-inline-start:14px;display:flex;gap:6px;flex-wrap:wrap;max-width:70vw}
.vrt-chip,.vrt-stop,.vrt-style,.vrt-btn,.vrt-send{font:inherit;border:0;cursor:pointer}
.vrt-chip{background:rgba(255,255,255,.88);backdrop-filter:blur(8px);padding:8px 14px;border-radius:999px;font-size:14px;box-shadow:0 2px 8px rgba(0,0,0,.12)}
.vrt-chip.on{background:#14171c;color:#fff}
.vrt-stop{background:rgba(20,23,28,.72);color:#fff;padding:6px 11px;border-radius:999px;font-size:13px}
.vrt-styles{position:absolute;bottom:max(16px,env(safe-area-inset-bottom));left:50%;transform:translateX(-50%);display:flex;gap:6px;align-items:center;background:rgba(255,255,255,.9);backdrop-filter:blur(8px);padding:6px;border-radius:14px;box-shadow:0 4px 18px rgba(0,0,0,.18);max-width:calc(100vw - 32px);overflow-x:auto}
.vrt-styles:empty{display:none}
.vrt-label{font-size:12px;color:#5b6270;padding:0 6px}
.vrt-style{background:transparent;border-radius:10px;padding:7px 12px;display:flex;flex-direction:column;align-items:center;min-width:76px;white-space:nowrap}
.vrt-style b{font-size:14px;font-weight:600}
.vrt-style small{font-size:11px;color:#5b6270}
.vrt-style.on{background:#14171c;color:#fff}
.vrt-style.on small{color:#c9ced8}
.vrt-actions{position:absolute;bottom:max(84px,calc(env(safe-area-inset-bottom) + 84px));inset-inline-end:14px;display:flex;flex-direction:column;gap:8px;align-items:flex-end}
.vrt-btn{display:flex;align-items:center;gap:8px;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);padding:9px 13px;border-radius:12px;font-size:14px;box-shadow:0 2px 10px rgba(0,0,0,.16);color:#14171c}
.vrt-btn .vrt-ic{width:20px;height:20px;display:inline-flex}
.vrt-btn svg{width:20px;height:20px}
.vrt-primary{background:#14171c;color:#fff}
.vrt-accent{background:#2f7cf6;color:#fff}
.vrt-powered{position:absolute;bottom:max(18px,env(safe-area-inset-bottom));inset-inline-end:16px;font-size:11px;color:rgba(20,23,28,.6);text-decoration:none;background:rgba(255,255,255,.6);padding:3px 7px;border-radius:6px}
.vrt-joy{position:absolute;bottom:max(90px,calc(env(safe-area-inset-bottom) + 90px));inset-inline-start:22px;width:116px;height:116px;border-radius:50%;background:rgba(255,255,255,.35);border:2px solid rgba(255,255,255,.75);backdrop-filter:blur(4px);touch-action:none;display:flex;align-items:center;justify-content:center}
.vrt-knob{width:48px;height:48px;border-radius:50%;background:rgba(255,255,255,.95);box-shadow:0 2px 8px rgba(0,0,0,.25);pointer-events:none}
.vrt-toast{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);background:rgba(20,23,28,.88);color:#fff;padding:10px 16px;border-radius:10px;font-size:14px;opacity:0;transition:opacity .25s;pointer-events:none;z-index:30;max-width:80vw;text-align:center}
.vrt-toast.on{opacity:1}
.vrt-modal,.vrt-help{position:absolute;inset:0;background:rgba(13,17,23,.5);display:flex;align-items:center;justify-content:center;z-index:40;padding:16px}
.vrt-card{background:#fff;border-radius:16px;padding:20px;width:min(420px,100%);box-shadow:0 10px 40px rgba(0,0,0,.3);position:relative;max-height:90vh;overflow:auto}
.vrt-card h3{margin:0 0 10px;font-size:18px}
.vrt-card label{display:block;font-size:13px;color:#3b414c;margin:10px 0 0}
.vrt-card input,.vrt-card textarea{display:block;width:100%;margin-top:4px;padding:9px 10px;border:1px solid #d5d9e0;border-radius:9px;font:inherit;font-size:15px}
.vrt-sel{font-size:13px;background:#f3f5f8;border-radius:8px;padding:8px 10px;margin:0 0 6px}
.vrt-hp{position:absolute!important;left:-9999px!important;width:1px!important;height:1px!important}
.vrt-msg{color:#c62828;font-size:13px;min-height:1em;margin:8px 0 0}
.vrt-send{margin-top:12px;width:100%;background:#2f7cf6;color:#fff;padding:11px;border-radius:10px;font-size:15px;font-weight:600}
.vrt-send:disabled{opacity:.6}
.vrt-x{position:absolute;top:8px;inset-inline-end:10px;background:none;border:0;font-size:24px;cursor:pointer;color:#5b6270}
.vrt-help .vrt-card p{font-size:15px;margin:8px 0}
.vrt-embed .vrt-head{max-width:50vw}
@media (max-width:640px){
  .vrt-btn .vrt-bl{display:none}
  .vrt-btn{padding:11px}
  .vrt-title{font-size:14px}
  .vrt-spaces{top:calc(max(14px,env(safe-area-inset-top)) + 58px);inset-inline-start:14px;inset-inline-end:auto;justify-content:flex-start;max-width:90vw}
  .vrt-stops{top:calc(max(14px,env(safe-area-inset-top)) + 106px)}
  .vrt-powered{display:none}
}