.f-fab-stack{z-index:40;flex-direction:column;align-items:flex-end;gap:10px;display:flex;position:fixed;bottom:20px;right:20px}.f-fab-item{flex-direction:column;align-items:flex-end;gap:8px;display:flex}.f-tut-fab{border:1px solid var(--line-strong);background:var(--surface);width:40px;height:40px;color:var(--ink-2);box-shadow:var(--shadow-pop);cursor:pointer;font:inherit;border-radius:50%;justify-content:center;align-items:center;transition:transform .12s,border-color .12s,color .12s,background .12s;display:flex}.f-tut-fab:hover{color:var(--accent-ink);border-color:var(--accent-line);transform:translateY(-1px)}.f-tut-fab.is-open{color:var(--ink);border-color:var(--line-strong)}.f-tut-fab:focus-visible{box-shadow:0 0 0 3px var(--focus-ring);outline:none}.f-tut-fab--wish{background:var(--accent);color:var(--accent-contrast,#fff);border-color:#0000}.f-tut-fab--wish:hover{color:var(--accent-contrast,#fff);filter:brightness(1.05);border-color:#0000;transform:translateY(-1px)scale(1.03)}.f-tut-fab--wish.is-open{background:var(--surface);border-color:var(--line-strong);color:var(--ink);filter:none}.f-tut-menu{background:var(--surface);border:1px solid var(--line-strong);box-shadow:var(--shadow-pop);border-radius:12px;flex-direction:column;gap:4px;min-width:148px;padding:5px;display:flex}.f-tut-menu-opt{width:100%;color:var(--ink);font:inherit;letter-spacing:-.01em;text-align:left;cursor:pointer;white-space:nowrap;background:0 0;border:none;border-radius:8px;justify-content:space-between;align-items:center;gap:8px;padding:8px 11px;font-size:13px;font-weight:500;text-decoration:none;transition:background .1s,color .1s;display:flex}.f-tut-menu-opt:hover{background:var(--surface-2);color:var(--accent-ink)}.f-tut-menu-opt--link{justify-content:flex-start}.f-tut-menu-chev{color:var(--ink-4);flex-shrink:0}.f-tut-menu-back{width:100%;color:var(--ink-4);font:inherit;letter-spacing:.02em;text-transform:uppercase;cursor:pointer;background:0 0;border:none;align-items:center;gap:4px;padding:6px 8px 4px;font-size:11.5px;font-weight:600;display:flex}.f-tut-menu-back:hover{color:var(--ink-2)}.f-tut-menu-back-ico{color:currentColor;transform:rotate(180deg)}.f-tut-menu--feedback{min-width:260px;max-width:min(320px,100vw - 28px)}.f-tut-menu--wish{min-width:280px;padding:8px}.f-tut-wish-head{align-items:flex-start;gap:10px;padding:6px 6px 4px;display:flex}.f-tut-wish-mark{background:var(--accent);width:28px;height:28px;color:var(--accent-contrast,#fff);border-radius:9px;flex-shrink:0;justify-content:center;align-items:center;display:flex}.f-tut-wish-title{letter-spacing:-.02em;color:var(--ink);font-size:13.5px;font-weight:600;line-height:1.25}.f-tut-wish-sub{color:var(--ink-3);letter-spacing:-.01em;margin-top:2px;font-size:12px;line-height:1.35}.f-tut-feedback{flex-direction:column;gap:8px;padding:4px 6px 6px;display:flex}.f-tut-feedback-label{color:var(--ink-3);letter-spacing:-.01em;font-size:12px;font-weight:500}.f-tut-feedback-input{resize:vertical;border:1px solid var(--line-strong);background:var(--surface-2);width:100%;min-height:88px;color:var(--ink);font:inherit;letter-spacing:-.01em;border-radius:8px;padding:8px 10px;font-size:13px;line-height:1.4}.f-tut-feedback-input::placeholder{color:var(--ink-4)}.f-tut-feedback-input:focus{border-color:var(--accent-line);box-shadow:0 0 0 3px var(--focus-ring);outline:none}.f-tut-feedback-input:disabled{opacity:.7}.f-tut-feedback-error{color:var(--danger,#b42318);margin:0;font-size:12px;line-height:1.35}.f-tut-feedback-submit{background:var(--accent);color:var(--accent-contrast,#fff);font:inherit;letter-spacing:-.01em;cursor:pointer;border:none;border-radius:8px;align-self:flex-end;padding:7px 12px;font-size:12.5px;font-weight:600;transition:opacity .1s,transform .1s}.f-tut-feedback-submit:hover:not(:disabled){transform:translateY(-.5px)}.f-tut-feedback-submit:disabled{opacity:.55;cursor:not-allowed}.f-tut-feedback-done{color:var(--ink-2);letter-spacing:-.01em;margin:0;padding:10px 11px 12px;font-size:13px;font-weight:500}@media (max-width:768px){.f-fab-stack{bottom:calc(58px + env(safe-area-inset-bottom,0px) + 14px);right:14px}}