:root{--color-bg: #0a2a5a;--color-mask: rgba(0, 0, 0, .55);--color-accent: #ff7a1a;--color-yellow: #ffd900;--stage-aspect: 1441 / 2561}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{margin:0;padding:0;width:100%;height:100%;height:100dvh;background:var(--color-bg);overflow:hidden;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang TC,Noto Sans TC,Microsoft JhengHei,sans-serif;color:#fff;user-select:none;-webkit-user-select:none;touch-action:manipulation}body{display:flex;align-items:center;justify-content:center}img{display:block;pointer-events:none;-webkit-user-drag:none}button{background:none;border:0;padding:0;cursor:pointer;color:inherit;font:inherit}#app{position:relative;width:100%;height:100%;display:flex;align-items:center;justify-content:center}.stage{position:relative;aspect-ratio:var(--stage-aspect);height:100%;max-width:100%;background:var(--color-bg);overflow:hidden}@media (min-aspect-ratio: 9/16){.stage{height:100%;width:auto}}@media (max-aspect-ratio: 9/16){.stage{width:100%;height:auto}}.bg-layer{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .22s ease;pointer-events:none}#app[data-state=popup] #bg-playing,#app[data-state=playing] #bg-playing,#app[data-state=completed] #bg-completed,#app[data-state=completed] #bg-card,#app[data-state=card] #bg-card{opacity:1}.waveform-wrap{position:absolute;left:22%;right:9%;top:90.5%;height:2.5%;display:none;pointer-events:none}#app[data-state=playing] .waveform-wrap{display:block}.waveform-light,.waveform-dark{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;object-fit:fill}.waveform-mask{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;overflow:hidden;clip-path:inset(0 calc(100% - var(--progress, 0%)) 0 0);transition:clip-path 80ms linear}.waveform-mask .waveform-dark{width:100%;height:100%}.hit-area{position:absolute;display:none;background:transparent;cursor:pointer}.hit-play-pause{left:4%;top:87%;width:16%;aspect-ratio:1 / 1;height:auto;border-radius:50%;transition:transform .12s ease}#app[data-state=playing] .hit-play-pause{display:block}.hit-play-pause img{width:100%;height:100%;object-fit:contain}.hit-play-pause:active{transform:scale(.95)}#app[data-state=playing].is-playing .hit-play-pause{animation:pulse 1.6s ease-in-out infinite}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(.94)}}.completed-actions{position:absolute;left:5%;right:5%;top:82.5%;display:none;gap:3%;justify-content:center}#app[data-state=completed] .completed-actions{display:flex}.completed-actions button{flex:0 1 34%;max-width:34%;transition:transform .12s ease}.completed-actions button:active{transform:scale(.96)}.completed-actions img{width:100%;height:auto}.btn-close-card{position:absolute;top:2.5%;right:4%;width:9%;aspect-ratio:1 / 1;border-radius:50%;background:#00000080;color:#fff;font-size:clamp(18px,3.6vw,28px);font-weight:600;display:none;align-items:center;justify-content:center;z-index:5}#app[data-state=card] .btn-close-card{display:flex}#app[data-state=card] .stage{cursor:default}img.bg-layer#bg-card{pointer-events:auto;-webkit-user-select:auto;user-select:auto;-webkit-touch-callout:default;-webkit-user-drag:auto}img.bg-layer#bg-completed,img.bg-layer#bg-playing{-webkit-touch-callout:none;pointer-events:none}.popup-mask{position:absolute;top:0;right:0;bottom:0;left:0;background:var(--color-mask);display:none;align-items:center;justify-content:center;padding:0 8%;z-index:10;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}#app[data-state=popup] .popup-mask{display:flex;animation:fade-in .22s ease}.popup-inner{width:100%;max-width:360px;display:flex;flex-direction:column;align-items:center;gap:18px}.popup-hint{width:78%;max-width:280px;height:auto;filter:drop-shadow(0 6px 16px rgba(0,0,0,.35))}.popup-confirm{width:60%;max-width:220px;transition:transform .12s ease}.popup-confirm:active{transform:scale(.95)}.popup-confirm img{width:100%;height:auto}@keyframes fade-in{0%{opacity:0;transform:scale(.96)}to{opacity:1;transform:scale(1)}}.loading-mask{position:absolute;top:0;right:0;bottom:0;left:0;background:#00000073;display:flex;align-items:center;justify-content:center;z-index:9}.loading-mask[hidden]{display:none}.spinner{width:36px;height:36px;border:4px solid rgba(255,255,255,.25);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media (max-width: 360px){.popup-inner{gap:14px}.popup-confirm{width:70%}}