.tts-to-top{position:fixed;border:none;border-radius:999px;cursor:pointer;z-index:9999;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 20px rgba(0,0,0,.22);opacity:0;visibility:hidden;pointer-events:none;transform:translateY(10px) scale(.96);transition:opacity .25s ease,transform .25s ease,visibility .25s ease;box-sizing:border-box}.tts-to-top.is-visible{opacity:1;visibility:visible;pointer-events:auto;transform:translateY(0) scale(1)}.tts-to-top:hover{transform:translateY(-2px) scale(1.03)}.tts-to-top:focus-visible{outline:2px solid #4da3ff;outline-offset:3px}.tts-to-top .tts-to-top__svg{display:block;width:22px;height:22px;fill:currentColor}.tts-to-top .tts-to-top__text{display:inline-block;line-height:1;font-weight:600;letter-spacing:.02em;color:currentColor;user-select:none;padding:0 8px;white-space:nowrap}.tts-progress-wrap{position:relative;display:inline-flex;align-items:center;justify-content:center;width:100%;height:100%}.tts-progress-svg{width:100%;height:100%;display:block;transform:rotate(-90deg)}.tts-progress-track,.tts-progress-ring{fill:none;stroke-width:var(--tts-ring-width,3px)}.tts-progress-track{stroke:var(--tts-track,rgba(255,255,255,.2))}.tts-progress-ring{stroke:var(--tts-ring-color,currentColor);stroke-linecap:round;transition:stroke-dashoffset .08s linear}.tts-progress-arrow{position:absolute;width:42% !important;height:42% !important}.tts-to-top.tts-force-hidden{display:none !important}@media (prefers-reduced-motion:reduce){.tts-to-top,.tts-progress-ring{transition:none}}