.audio-body{margin:0;background:#fff;color:#424b51;font:16px/1.55 system-ui,sans-serif;letter-spacing:0;min-height:100dvh}
.audio-head{min-height:56px;padding:calc(8px + env(safe-area-inset-top)) 18px 8px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #e5ebe8;box-sizing:border-box}
.audio-head a{color:#00865e;text-decoration:none;font-weight:500;padding:8px}
.audio-main{box-sizing:border-box;width:min(100%,560px);margin:0 auto;padding:32px 20px calc(48px + env(safe-area-inset-bottom));text-align:center}
.audio-main h1{font-size:22px;line-height:1.4;margin:16px 0 8px;overflow-wrap:anywhere;font-weight:600;color:#006f50}
.audio-main h2{font-size:18px;font-weight:500}
.audio-cover{width:160px;height:220px;object-fit:contain;margin:0 auto;display:block}
.audio-main [hidden],.audio-head [hidden]{display:none!important}
.audio-main audio{width:100%;height:54px;margin:12px 0}
.audio-command-row{display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap;margin:16px 0}
.audio-main button,.audio-offline-actions a{box-sizing:border-box;min-height:42px;border:1px solid #00865e;border-radius:6px;background:#00865e;color:#fff;padding:9px 16px;font:inherit;font-size:14px;font-weight:500;cursor:pointer;text-decoration:none;overflow-wrap:anywhere}
.audio-main button:disabled{opacity:.55;cursor:wait}.audio-main button:focus-visible,.audio-main a:focus-visible,.audio-main select:focus-visible{outline:3px solid #70dabc;outline-offset:3px}
.audio-speed{display:grid;gap:3px;font-size:12px}.audio-speed select{font:inherit;font-size:15px;color:#424b51;border:1px solid #bdccc5;background:white;padding:7px;border-radius:4px}
.audio-main progress{display:block;accent-color:#00865e;width:100%;height:10px;margin:12px 0}
.audio-offline-actions{display:grid;gap:12px;margin-top:24px}.audio-offline-actions a{display:block;background:#fff;color:#00865e}
#audio-status{font-size:14px;overflow-wrap:anywhere}#audio-status.is-error{color:#ad2831}
#audio-author,#audio-progress-text{font-size:14px;color:#647169}#audio-progress-label{font-size:13px}
.audio-file-label{display:block;margin:16px 0 8px}.audio-main input[type=file]{box-sizing:border-box;max-width:100%;padding:10px;border:1px solid #cbd6d0;border-radius:4px;font:inherit;font-size:14px}
#audio-remove-panel{margin-top:24px;padding-top:16px;border-top:1px solid #dfe6e2}#audio-remove-panel summary{cursor:pointer;color:#647169}
.book-audio-command{display:flex;align-items:center;justify-content:center;gap:8px;color:#00865e!important;background:#fff!important;border:1px solid #00865e!important;border-radius:5px;text-decoration:none!important;font-size:14px;font-weight:500!important;box-sizing:border-box;min-height:38px;padding:8px 12px;cursor:pointer}
.book-card>.book-audio-command{width:100%;min-height:40px;margin:0;border-top:0!important;border-radius:0 0 6px 6px}
.book-card:has(>.book-audio-command)>.book-read-command{border-radius:0}
.book-detail-actions:has(.book-audio-command:not([hidden])){display:flex;flex-direction:column;align-items:stretch}
.book-audio-command[hidden],.audio-library-progress[hidden]{display:none!important}
.audio-library-progress{margin:8px 0;font-size:12px;color:#647169}.audio-library-progress progress{width:100%;height:6px;accent-color:#00865e;display:block;margin:4px 0}
.offline-audio-section{margin-top:28px}.offline-audio-section h2{font-size:18px;color:#00865e;font-weight:500}

.audio-optimization-note{margin:10px auto 12px;padding:10px 12px;border-left:3px solid #00a978;background:#f1faf7;color:#52615c;font-size:13px;text-align:left}
.audio-current-info{margin:10px 0;color:#42534d;font-size:13px;font-weight:500}
.audio-download{margin:20px 0 0;padding:16px 0;border-top:1px solid #dfe6e2;font-size:14px}
.audio-download-heading{display:flex;align-items:center;justify-content:center;gap:10px;min-height:32px}
.audio-download-heading p{margin:0;overflow-wrap:anywhere;min-width:0}
.audio-download-spinner{display:block;flex:0 0 18px;width:18px;height:18px;box-sizing:border-box;border:2px solid #cce5dc;border-top-color:#00865e;border-radius:50%;animation:audio-download-spin .8s linear infinite}
#audio-download-bytes{margin:8px 0 0;font-size:13px;color:#647169;font-variant-numeric:tabular-nums}
#audio-download-status.is-error{color:#ad2831}
#audio-cancel-save{background:#fff;color:#006f50;border-color:#bdccc5}
@keyframes audio-download-spin{to{transform:rotate(360deg)}}
@media(prefers-reduced-motion:reduce){.audio-download-spinner{animation:none}}