.t-back{display:inline-flex;align-items:center;gap:6px;min-height:40px;padding:8px 14px 8px 10px;margin-bottom:var(--space-3,16px);border:1px solid var(--color-divider);border-radius:0;background:var(--color-surface);color:var(--color-text);font-size:13px;font-weight:700;text-decoration:none;transition:border-color .15s ease,background .15s ease,transform .15s ease}.t-back:hover{border-color:var(--color-accent);background:color-mix(in srgb,var(--color-accent) 10%,transparent)}.t-back:active{transform:translateX(-2px)}@media (max-width:640px){.t-back{display:flex;width:100%;justify-content:center;min-height:44px}}