:root {
    --bg:#0B0E14;--bg-card:#0D1117;--bg-input:#161B22;
    --border:#21262D;--border-light:#30363D;
    --text-white:#F0F6FC;--text-gray:#8B949E;--text-muted:#484F58;
    --purple:#8B5CF6;--teal:#06B6D4;--error:#EF4444;
    --radius:12px;
}

*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Inter',sans-serif;background:var(--bg);color:var(--text-white);min-height:100vh;-webkit-font-smoothing:antialiased}
.wrapper{max-width:520px;margin:0 auto;padding:20px 16px 40px}

/* ── Tabs ── */
.tabs{display:flex;gap:4px;margin-bottom:20px;background:var(--bg-input);border-radius:var(--radius);padding:4px}
.tab{flex:1;text-align:center;padding:10px;border-radius:10px;text-decoration:none;font-size:0.85rem;font-weight:500;color:var(--text-gray);transition:all .2s}
.tab.active{background:var(--bg-card);color:var(--text-white);font-weight:600}
.tab:hover:not(.active){color:var(--text-white)}

/* ── Card ── */
.card{background:var(--bg-card);border:1px solid var(--border);border-radius:16px;padding:28px 20px}
.badge{display:inline-block;padding:5px 12px;border-radius:20px;font-size:0.65rem;font-weight:700;letter-spacing:0.12em;background:rgba(139,92,246,0.1);color:var(--purple);border:1px solid rgba(139,92,246,0.2);margin-bottom:16px}
h1{font-size:1.5rem;font-weight:800;letter-spacing:-0.5px;margin-bottom:6px}
.subtitle{font-size:1rem;color:var(--text-gray);font-weight:400}
.pricing-hint{font-size:0.82rem;color:var(--text-muted);margin-top:8px;margin-bottom:24px}

/* ── Voice picker ── */
.voice-label{font-size:0.85rem;color:var(--text-gray);margin-bottom:10px;font-weight:500}
.voice-options{display:flex;gap:10px;margin-bottom:20px}
.voice-option{flex:1;display:flex;flex-direction:column;align-items:center;gap:6px;padding:14px 10px;border-radius:var(--radius);border:1px solid var(--border);background:var(--bg-input);cursor:pointer;transition:all .2s}
.voice-option.active{border-color:var(--purple);background:rgba(139,92,246,0.08)}
.voice-option:hover:not(.active){border-color:var(--border-light)}
.voice-icon{font-size:1.6rem}
.voice-name{font-size:0.85rem;font-weight:600;color:var(--text-white)}
.voice-demo-btn{padding:4px 10px;border:1px solid var(--border);border-radius:8px;background:none;color:var(--text-gray);font-size:0.72rem;font-family:inherit;cursor:pointer;transition:all .2s}
.voice-demo-btn:hover{border-color:var(--purple);color:var(--purple)}

/* ── Textarea ── */
.tts-textarea{width:100%;min-height:140px;padding:14px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius);color:var(--text-white);font-family:inherit;font-size:0.9rem;line-height:1.6;resize:vertical;outline:none;transition:border-color .2s}
.tts-textarea:focus{border-color:var(--purple)}
.tts-textarea::placeholder{color:var(--text-muted)}
.char-count{text-align:right;font-size:0.75rem;color:var(--text-muted);margin-top:6px;margin-bottom:16px}

/* ── Buttons ── */
.btn-main{width:100%;padding:14px;border:none;border-radius:var(--radius);background:var(--purple);color:#fff;font-family:inherit;font-size:0.95rem;font-weight:600;cursor:pointer;transition:opacity .2s}
.btn-main:hover{opacity:0.9}
.btn-main:disabled{opacity:0.4;cursor:not-allowed}

.btn-unlock{width:100%;padding:16px;border:none;border-radius:var(--radius);background:linear-gradient(135deg,var(--purple),var(--teal));color:#fff;font-family:inherit;font-size:0.95rem;font-weight:700;cursor:pointer;transition:transform .15s}
.btn-unlock:hover{transform:translateY(-1px)}
.btn-unlock:active{transform:scale(0.98)}

.btn-home{display:block;width:100%;margin-top:16px;padding:14px;background:transparent;border:1px solid var(--border);border-radius:var(--radius);color:var(--text-gray);font-family:inherit;font-size:0.9rem;font-weight:500;cursor:pointer;transition:all .2s;text-align:center}
.btn-home:hover{border-color:var(--border-light);color:var(--text-white)}

/* ── Progress ── */
.progress-bar-wrap{width:100%;height:3px;background:var(--border);border-radius:2px;overflow:hidden;margin-bottom:14px}
.progress-bar{height:100%;background:linear-gradient(90deg,var(--purple),var(--teal));border-radius:2px;transition:width .4s;animation:pulse 1.5s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:0.6}}
.progress-message{font-size:0.85rem;color:var(--text-gray);text-align:center}

/* ── Result ── */
.result-label{font-size:0.8rem;font-weight:600;color:var(--text-muted);letter-spacing:0.08em;margin-bottom:10px;text-transform:uppercase}
.audio-player{width:100%;margin-bottom:16px;border-radius:8px}
.result-fade-audio{background:rgba(139,92,246,0.06);border:1px solid rgba(139,92,246,0.15);border-radius:var(--radius);padding:14px;text-align:center;margin-bottom:16px}
.fade-text{font-size:0.88rem;color:var(--text-gray)}
.result-actions{display:flex;gap:10px;margin-top:12px}
.result-actions .btn-main{text-align:center;text-decoration:none;display:block}
.unlock-includes{text-align:center;font-size:0.78rem;color:var(--text-muted);margin-top:8px}

/* ── Error ── */
.error-message{color:var(--error);font-size:0.88rem;font-weight:500;margin-top:14px}

/* ── Footer ── */
footer{text-align:center;padding:24px 0;font-size:0.75rem;color:var(--text-muted)}

/* ── Helpers ── */
.hidden{display:none!important}

@keyframes shake{0%,100%{transform:translateX(0)}25%{transform:translateX(-4px)}75%{transform:translateX(4px)}}