:root{--primary: #007AFF;--primary-hover: #0062CC;--bg: #FBFBFD;--text: #1D1D1F;--text-secondary: #86868B;--glass: rgba(255, 255, 255, .72);--glass-shadow: rgba(0, 0, 0, .08);--border: rgba(0, 0, 0, .12);--radius: 18px;font-family:Be Vietnam Pro,-apple-system,BlinkMacSystemFont,sans-serif;-webkit-font-smoothing:antialiased}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg);background:radial-gradient(circle at top left,#f0f7ff,transparent 40%),radial-gradient(circle at bottom right,#fff5f8,transparent 50%),var(--bg);color:var(--text);min-height:100vh;display:flex;justify-content:center;align-items:center}#root{width:100%}.container{max-width:680px;margin:40px auto;padding:40px 24px;text-align:center}h1{font-size:48px;font-weight:700;letter-spacing:-.022em;margin-bottom:8px}p.subtitle{color:var(--text-secondary);font-size:19px;margin-bottom:48px}.glass-box{background:var(--glass);backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:0 8px 32px var(--glass-shadow);display:flex;flex-direction:column;gap:20px}textarea{background:transparent;border:none;font-size:18px;line-height:1.5;outline:none;resize:none;height:200px;color:var(--text);width:100%;font-family:inherit}textarea::placeholder{color:var(--text-secondary);opacity:.6}.controls{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--border);padding-top:20px}.voice-select{background:#fff;border:1px solid var(--border);border-radius:8px;padding:8px 12px;font-family:inherit;font-size:14px;color:var(--text);outline:none;cursor:pointer}.voice-select:hover{border-color:var(--primary)}.char-count{font-size:13px;color:var(--text-secondary)}button{background-color:var(--primary);color:#fff;border:none;border-radius:40px;padding:12px 32px;font-size:16px;font-weight:600;cursor:pointer;transition:all .2s cubic-bezier(.25,.1,.25,1);display:flex;align-items:center;justify-content:center;gap:8px}button:hover:not(:disabled){background-color:var(--primary-hover);transform:scale(1.02)}button:active:not(:disabled){transform:scale(.98)}button:disabled{opacity:.5;cursor:not-allowed}.status-section{margin-top:40px;display:flex;flex-direction:column;align-items:center;gap:16px;animation:fadeIn .4s ease-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.audio-preview{width:100%;max-width:400px}.download-link{color:var(--primary);text-decoration:none;font-size:14px;font-weight:500;border-bottom:1px solid transparent;transition:border .2s}.download-link:hover{border-bottom-color:var(--primary)}.footer{margin-top:100px;font-size:13px;color:var(--text-secondary);opacity:.7}.spinner{width:18px;height:18px;border:2px solid rgba(255,255,255,.3);border-radius:50%;border-top-color:#fff;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}