:root{--bg: #1a1a2e;--bg2: #16213e;--card: #0f3460;--accent: #e94560;--accent2: #a855f7;--text: #ffffff;--text2: #94a3b8;--border: rgba(255,255,255,.12);--radius: 16px;--radius-sm: 10px}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;min-height:100vh;-webkit-font-smoothing:antialiased}.screen{min-height:100vh;display:flex;flex-direction:column;padding:24px 20px 40px;max-width:480px;margin:0 auto}.screen-header{margin-bottom:24px}.step-indicator{font-size:13px;color:var(--text2);margin-bottom:8px}.screen-title{font-size:24px;font-weight:700;line-height:1.3}.screen-subtitle{font-size:15px;color:var(--text2);margin-top:6px;line-height:1.5}.choices-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:16px}.choice-btn{background:var(--bg2);border:2px solid var(--border);border-radius:var(--radius-sm);color:var(--text);font-size:15px;font-weight:500;padding:14px 10px;cursor:pointer;transition:all .15s;text-align:center;line-height:1.4}.choice-btn:hover,.choice-btn.selected{border-color:var(--accent);background:#e9456026;color:var(--text)}.choice-btn.full-width{grid-column:1 / -1}.btn-primary{width:100%;background:linear-gradient(135deg,var(--accent),var(--accent2));border:none;border-radius:var(--radius);color:#fff;font-size:17px;font-weight:600;padding:16px;cursor:pointer;margin-top:auto;transition:opacity .15s,transform .1s}.btn-primary:hover:not(:disabled){opacity:.9}.btn-primary:active:not(:disabled){transform:scale(.98)}.btn-primary:disabled{opacity:.4;cursor:not-allowed}.btn-secondary{width:100%;background:transparent;border:2px solid var(--border);border-radius:var(--radius);color:var(--text);font-size:15px;font-weight:500;padding:14px;cursor:pointer;margin-top:10px;transition:all .15s}.btn-secondary:hover{border-color:var(--text2)}.textarea-field{width:100%;background:var(--bg2);border:2px solid var(--border);border-radius:var(--radius);color:var(--text);font-size:15px;line-height:1.6;padding:14px;resize:none;outline:none;font-family:inherit;transition:border-color .15s;margin-bottom:12px}.textarea-field:focus{border-color:var(--accent)}.textarea-field::placeholder{color:var(--text2)}.lyrics-box{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:16px;font-size:14px;line-height:1.8;white-space:pre-wrap;margin-bottom:16px;max-height:300px;overflow-y:auto}.lyrics-box .lyrics-section{color:var(--accent2);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.8px;margin-bottom:4px;margin-top:12px}.lyrics-box .lyrics-section:first-child{margin-top:0}.mood-btns{display:flex;gap:10px;margin-bottom:12px}.mood-btn{flex:1;background:var(--bg2);border:2px solid var(--border);border-radius:var(--radius-sm);color:var(--text);font-size:14px;padding:12px 8px;cursor:pointer;transition:all .15s;text-align:center}.mood-btn:hover{border-color:var(--accent2);background:#a855f726}.demo-player{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:14px 16px;margin-bottom:12px;display:flex;flex-direction:column;gap:8px}.demo-label{font-size:13px;color:var(--text2);margin-bottom:2px}.demo-player audio{width:100%;accent-color:var(--accent)}.pack-card{background:var(--bg2);border:2px solid var(--border);border-radius:var(--radius);padding:16px;margin-bottom:10px;cursor:pointer;transition:all .15s;display:flex;align-items:center;justify-content:space-between}.pack-card:hover,.pack-card.selected{border-color:var(--accent);background:#e945601a}.pack-card .pack-label{font-size:16px;font-weight:600}.pack-card .pack-desc{font-size:13px;color:var(--text2);margin-top:2px}.pack-card .pack-price{font-size:18px;font-weight:700;color:var(--accent);white-space:nowrap}.balance-badge{background:#a855f733;border:1px solid var(--accent2);border-radius:20px;color:var(--accent2);font-size:13px;font-weight:600;padding:6px 14px;display:inline-block;margin-bottom:16px}.spinner-wrap{display:flex;flex-direction:column;align-items:center;justify-content:center;flex:1;gap:20px}.spinner{width:56px;height:56px;border:4px solid rgba(255,255,255,.1);border-top-color:var(--accent);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.spinner-text{font-size:16px;color:var(--text2);text-align:center}.welcome-hero{font-size:72px;text-align:center;margin-bottom:16px}.welcome-features{list-style:none;display:flex;flex-direction:column;gap:12px;margin:20px 0 32px}.welcome-features li{display:flex;align-items:flex-start;gap:12px;font-size:15px;line-height:1.5}.welcome-features li span.icon{font-size:20px;flex-shrink:0}.input-hint{font-size:12px;color:var(--text2);margin-top:-8px;margin-bottom:12px}.custom-input-row{display:flex;gap:8px;margin-top:4px}.custom-input{flex:1;background:var(--bg2);border:2px solid var(--border);border-radius:var(--radius-sm);color:var(--text);font-size:15px;padding:12px 14px;outline:none;font-family:inherit;transition:border-color .15s}.custom-input:focus{border-color:var(--accent)}.custom-input::placeholder{color:var(--text2)}.back-btn{background:none;border:none;color:var(--text2);font-size:14px;cursor:pointer;padding:0;margin-bottom:12px;display:flex;align-items:center;gap:4px}.back-btn:hover{color:var(--text)}.error-banner{background:#e9456026;border:1px solid var(--accent);border-radius:var(--radius-sm);color:var(--accent);font-size:14px;padding:10px 14px;margin-bottom:14px}.loading-inline{display:flex;align-items:center;gap:10px;color:var(--text2);font-size:14px;padding:12px 0}.spinner-sm{width:20px;height:20px;border:2px solid rgba(255,255,255,.1);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite;flex-shrink:0}