:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}:root{--primary: #25D366;--primary-dark: #128C7E;--bg: #f5f5f5;--card-bg: #ffffff;--text: #1a1a1a;--hint: #666666;--error: #dc3545;--success: #28a745}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:linear-gradient(135deg,#667eea,#764ba2);min-height:100vh;display:flex;align-items:center;justify-content:center;padding:16px}.app{width:100%;max-width:400px}.card{background:var(--card-bg);border-radius:20px;padding:32px 24px;box-shadow:0 20px 60px #0000004d}.header{text-align:center;margin-bottom:24px}.logo{font-size:48px;margin-bottom:8px}.header h1{font-size:24px;font-weight:700;color:var(--text);margin-bottom:4px}.subtitle{color:var(--hint);font-size:14px}.step{text-align:center}.step h2{font-size:20px;margin-bottom:8px;color:var(--text)}.step p{color:var(--hint);font-size:14px;margin-bottom:16px}.emoji{font-size:56px;margin-bottom:16px}.info-box{background:#f0f0f0;border-radius:12px;padding:16px;margin-bottom:20px;text-align:left}.info-box div{display:flex;align-items:center;gap:10px;margin-bottom:8px;font-size:15px}.info-box div:last-child{margin-bottom:0}.info-box.success{background:#d4edda;color:var(--success);text-align:center}input{width:100%;padding:14px 16px;font-size:16px;border:2px solid #e0e0e0;border-radius:10px;margin-bottom:12px;transition:border-color .2s}input:focus{outline:none;border-color:var(--primary)}input.code-input{text-align:center;font-size:28px;font-family:monospace;letter-spacing:8px}.hint{font-size:12px!important;color:var(--hint)!important;margin-bottom:16px!important}button{width:100%;padding:14px 20px;font-size:16px;font-weight:600;border:none;border-radius:10px;cursor:pointer;transition:all .2s;margin-bottom:10px}button:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-dark)}.btn-success{background:var(--success);color:#fff}.btn-link{background:transparent;color:var(--hint);text-decoration:underline;font-weight:400}.btn-link:hover{color:var(--text)}.error{background:#f8d7da;color:var(--error);padding:12px;border-radius:8px;font-size:14px;margin-top:16px;text-align:center}.spinner{width:40px;height:40px;border:4px solid #e0e0e0;border-top-color:var(--primary);border-radius:50%;animation:spin 1s linear infinite;margin:16px auto}@keyframes spin{to{transform:rotate(360deg)}}.loading{display:flex;align-items:center;justify-content:center;height:100vh;color:#fff;font-size:18px}