.rf{position:fixed;top:0;left:0;right:0;height:100vh;height:100dvh;z-index:30;background:#FFFFFF;color:#111111;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;overflow:hidden;opacity:0;transition:opacity .24s ease;--ink:#111111;--muted:#6B6B6B;--soft:rgba(17,17,17,.04);--soft2:rgba(17,17,17,.09);--edge:rgba(17,17,17,.32);--line:#D4D4D4}
.rf[hidden]{display:none}
.rf.is-open{opacity:1}
.rf-bar{position:absolute;top:0;left:0;right:0;height:3px;background:#EDEDED;z-index:3}
.rf-bar span{display:block;height:100%;width:0;background:var(--ink);transition:width .45s cubic-bezier(.22,.8,.24,1)}
.rf-top{position:absolute;top:3px;left:0;right:0;z-index:3;display:flex;align-items:center;justify-content:space-between;padding:8px 10px 8px 22px;padding-top:calc(8px + env(safe-area-inset-top,0px));background:linear-gradient(#FFFFFF 70%,rgba(255,255,255,0))}
.rf-role{font-size:14px;color:var(--muted)}
.rf-x{width:44px;height:44px;border:0;border-radius:8px;background:transparent;color:var(--ink);cursor:pointer;display:flex;align-items:center;justify-content:center}
.rf-x:hover{background:var(--soft)}
.rf-stage{position:absolute;inset:0}
.rf-step{position:absolute;inset:0;will-change:transform,opacity;backface-visibility:hidden;display:flex;flex-direction:column;overflow-y:auto;-webkit-overflow-scrolling:touch;overscroll-behavior:contain;padding:76px 32px calc(92px + env(safe-area-inset-bottom,0px))}
.rf-step:focus{outline:0}
.rf-in{width:100%;max-width:720px;margin:clamp(40px,24vh,220px) auto 40px}
.rf-step.in-next{animation:rf-in-next .52s cubic-bezier(.16,1,.3,1) .17s both}
.rf-step.in-prev{animation:rf-in-prev .52s cubic-bezier(.16,1,.3,1) .17s both}
.rf-step.out-next{animation:rf-out-next .2s cubic-bezier(.4,0,1,1) both;pointer-events:none}
.rf-step.out-prev{animation:rf-out-prev .2s cubic-bezier(.4,0,1,1) both;pointer-events:none}
@keyframes rf-in-next{from{opacity:0;transform:translate3d(0,28px,0)}to{opacity:1;transform:translate3d(0,0,0)}}
@keyframes rf-in-prev{from{opacity:0;transform:translate3d(0,-28px,0)}to{opacity:1;transform:translate3d(0,0,0)}}
@keyframes rf-out-next{from{opacity:1;transform:translate3d(0,0,0)}to{opacity:0;transform:translate3d(0,-20px,0)}}
@keyframes rf-out-prev{from{opacity:1;transform:translate3d(0,0,0)}to{opacity:0;transform:translate3d(0,20px,0)}}
.rf-head{display:flex;align-items:baseline;gap:10px}
.rf-num{display:inline-flex;align-items:center;gap:4px;flex:none;font-size:15px;color:var(--muted)}
.rf-q{margin:0;font-size:26px;line-height:1.3;font-weight:500;letter-spacing:-.01em}
.rf-hint{margin:10px 0 0;font-size:18px;line-height:1.45;color:var(--muted)}
.rf-field{margin-top:30px}
.rf-input{caret-color:#111111;display:block;width:100%;border:0;border-bottom:1px solid var(--line);border-radius:0;background:transparent;padding:4px 0 10px;font:inherit;font-size:30px;line-height:1.3;color:var(--ink);resize:none;-webkit-appearance:none;appearance:none;transition:border-color .2s ease,box-shadow .2s ease}
textarea.rf-input{max-height:42vh;overflow-y:auto}
.rf-input::placeholder{color:#BDBDBD;opacity:1}
.rf-input:focus{outline:0;border-bottom-color:var(--ink);box-shadow:0 1px 0 0 var(--ink)}
.rf-tip{margin:10px 0 0;font-size:13px;color:var(--muted)}
.rf-opts{display:flex;flex-direction:column;align-items:flex-start;gap:10px}
.rf-opt{transform:translate3d(0,0,0);display:flex;align-items:center;gap:12px;min-width:260px;max-width:100%;min-height:52px;padding:8px 16px 8px 10px;text-align:left;background:var(--soft);border:1px solid var(--edge);border-radius:6px;color:var(--ink);font:inherit;font-size:19px;cursor:pointer;transition:background .18s ease,border-color .18s ease,box-shadow .18s ease,transform .18s ease;-webkit-tap-highlight-color:transparent}
.rf-opt:active{transform:scale(.985)}
.rf-opt:hover{background:var(--soft2)}
.rf-opt[aria-pressed="true"]{background:var(--soft2);border-color:var(--ink);box-shadow:inset 0 0 0 1px var(--ink)}
.rf-key{flex:none;width:26px;height:26px;display:flex;align-items:center;justify-content:center;border:1px solid var(--edge);border-radius:4px;background:#FFFFFF;font-size:12px;font-weight:700;transition:background .15s,color .15s}
.rf-opt[aria-pressed="true"] .rf-key{background:var(--ink);border-color:var(--ink);color:#FFFFFF}
.rf-opt span:last-child{flex:1}
.rf-opt.picked{animation:rf-pick .34s cubic-bezier(.16,1,.3,1)}
@keyframes rf-pick{0%{transform:scale(1)}35%{transform:scale(.975)}100%{transform:scale(1)}}
.rf-check{display:flex;align-items:center;gap:12px;margin-top:24px;min-height:44px;font-size:17px;cursor:pointer}
.rf-check input{width:22px;height:22px;margin:0;accent-color:#111111}
.rf-err{animation:rf-err-in .22s ease both;display:inline-flex;align-items:center;gap:8px;margin-top:14px;padding:6px 10px;border-radius:4px;background:#FDECEC;color:#A3261C;font-size:15px}
.rf-err[hidden]{display:none}
.rf-err.shake{animation:rf-shake .3s ease}
@keyframes rf-err-in{from{opacity:0;transform:translate3d(0,-4px,0)}to{opacity:1;transform:none}}
@keyframes rf-shake{25%{transform:translateX(-4px)}75%{transform:translateX(4px)}}
.rf-go{display:flex;align-items:center;gap:14px;margin-top:26px}
.rf-go[hidden]{display:none}
.rf-ok{display:inline-flex;align-items:center;gap:10px;min-height:48px;padding:0 20px;border:0;border-radius:6px;background:var(--ink);color:#FFFFFF;font:inherit;font-size:19px;font-weight:700;cursor:pointer;transition:background .15s,transform .1s;-webkit-tap-highlight-color:transparent}
.rf-ok:hover{background:#333333}
.rf-ok:active{transform:scale(.97)}
.rf-enter{font-size:13px;color:var(--muted)}
.rf-done{display:flex;flex-direction:column;align-items:flex-start;gap:14px}
.rf-done svg{margin-bottom:6px}
.rf-nav{position:absolute;right:16px;bottom:calc(16px + env(safe-area-inset-bottom,0px));z-index:3;display:flex;gap:1px}
.rf-nav[hidden]{display:none}
.rf-nav button{transition:background .15s ease,transform .1s ease;width:40px;height:40px;border:0;background:var(--ink);color:#FFFFFF;cursor:pointer;display:flex;align-items:center;justify-content:center;-webkit-tap-highlight-color:transparent}
.rf-nav button:first-child{border-radius:6px 0 0 6px}
.rf-nav button:last-child{border-radius:0 6px 6px 0}
.rf-nav button:active:not(:disabled){transform:scale(.94)}
.rf-nav button:disabled{background:#BDBDBD;cursor:default}
.rf button:focus-visible,.rf-check input:focus-visible{outline:2px solid #111111;outline-offset:2px}
@media (hover:none){.rf-enter,.rf-tip{display:none}}
@media (max-width:640px){.rf-step{padding:68px 22px calc(84px + env(safe-area-inset-bottom,0px))}.rf-in{margin:13vh auto 32px}.rf-q{font-size:21px}.rf-hint{font-size:16px}.rf-input{font-size:24px}.rf-opt{width:100%;min-width:0}.rf-field{margin-top:24px}}
@media (prefers-reduced-motion:reduce){.rf-step.in-next,.rf-step.in-prev,.rf-step.out-next,.rf-step.out-prev,.rf-opt.picked,.rf-err,.rf-err.shake{animation:none}.rf,.rf-bar span,.rf-opt,.rf-input{transition:none}}