.codex-audiobook-download-panel{position:fixed;left:12px;right:12px;bottom:82px;z-index:9999;background:#fff;border:1px solid #ffd8c7;border-radius:12px;box-shadow:0 8px 28px rgba(0,0,0,.12);padding:12px 14px;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,"Microsoft YaHei",sans-serif}.codex-audio-title{font-size:15px;font-weight:700;color:#222;margin-bottom:8px}.codex-audio-tip{font-size:12px;color:#777;line-height:1.45;margin-bottom:8px}.codex-audio-tip.ok{color:#16a34a}.codex-audio-tip.error{color:#e11d48}.codex-audio-actions{display:flex;gap:8px;flex-wrap:wrap}.codex-audio-btn{border:0;border-radius:999px;background:linear-gradient(135deg,#ff7a1a,#ff4d00);color:#fff;padding:8px 14px;font-size:13px;font-weight:600;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.codex-audio-btn.disabled{background:#eee;color:#999}