:root{--tg-theme-bg-color: #ffffff;--tg-theme-text-color: #000000;--tg-theme-hint-color: #999999;--tg-theme-link-color: #2481cc;--tg-theme-button-color: #2481cc;--tg-theme-button-text-color: #ffffff;--tg-theme-secondary-bg-color: #f1f1f1;--border-radius: 12px;--spacing-xs: 8px;--spacing-sm: 12px;--spacing-md: 16px;--spacing-lg: 24px;--font-size-sm: 14px;--font-size-md: 16px;--font-size-lg: 20px;--font-size-xl: 24px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:var(--font-size-md);line-height:1.5;background-color:var(--tg-theme-bg-color);color:var(--tg-theme-text-color);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.container{max-width:480px;margin:0 auto;padding:var(--spacing-md);min-height:100vh}.loading{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;gap:var(--spacing-md)}.spinner{width:40px;height:40px;border:3px solid var(--tg-theme-secondary-bg-color);border-top-color:var(--tg-theme-button-color);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.header{text-align:center;margin-bottom:var(--spacing-lg);position:relative}.header-back-btn{position:absolute;left:0;top:50%;transform:translateY(-50%);background:none;border:none;font-size:24px;cursor:pointer;padding:var(--spacing-xs);color:var(--tg-theme-button-color)}.header-back-btn:hover{opacity:.7}.header h1{font-size:var(--font-size-xl);margin-bottom:var(--spacing-sm)}.progress{height:6px;background-color:var(--tg-theme-secondary-bg-color);border-radius:3px;overflow:hidden;margin-bottom:var(--spacing-xs)}.progress-bar{height:100%;background:linear-gradient(90deg,var(--tg-theme-button-color),#4CAF50);border-radius:3px;transition:width .3s ease}.step-text{font-size:var(--font-size-sm);color:var(--tg-theme-hint-color)}.form{display:flex;flex-direction:column;gap:var(--spacing-md)}.form-step{animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0;transform:translate(20px)}to{opacity:1;transform:translate(0)}}.form-step h2{font-size:var(--font-size-lg);margin-bottom:var(--spacing-md);color:var(--tg-theme-text-color)}.form-group{display:flex;flex-direction:column;gap:var(--spacing-xs)}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:var(--spacing-md)}label{font-size:var(--font-size-md);font-weight:600;color:var(--tg-theme-text-color)}input,select,textarea{width:100%;padding:var(--spacing-sm) var(--spacing-md);font-size:var(--font-size-lg);border:2px solid var(--tg-theme-secondary-bg-color);border-radius:var(--border-radius);background-color:var(--tg-theme-bg-color);color:var(--tg-theme-text-color);transition:border-color .2s ease,box-shadow .2s ease}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--tg-theme-button-color);box-shadow:0 0 0 3px #2481cc33}input.error,select.error,textarea.error{border-color:#e53935}input::placeholder,textarea::placeholder{color:var(--tg-theme-hint-color)}select{cursor:pointer;-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");background-position:right 12px center;background-repeat:no-repeat;background-size:20px;padding-right:40px}textarea{resize:vertical;min-height:100px}.error-text{font-size:var(--font-size-sm);color:#e53935}.summary{background-color:var(--tg-theme-secondary-bg-color);padding:var(--spacing-md);border-radius:var(--border-radius);margin-top:var(--spacing-md)}.summary h3{font-size:var(--font-size-md);margin-bottom:var(--spacing-sm)}.summary p{font-size:var(--font-size-sm);margin-bottom:var(--spacing-xs)}.submit-btn,.next-btn{width:100%;padding:var(--spacing-md);font-size:var(--font-size-lg);font-weight:600;color:var(--tg-theme-button-text-color);background-color:var(--tg-theme-button-color);border:none;border-radius:var(--border-radius);cursor:pointer;transition:opacity .2s ease,transform .1s ease;margin-top:var(--spacing-md)}.submit-btn:hover,.next-btn:hover{opacity:.9}.submit-btn:active,.next-btn:active{transform:scale(.98)}.submit-btn:disabled{opacity:.5;cursor:not-allowed}@media (prefers-color-scheme: dark){:root{--tg-theme-bg-color: #1e1e1e;--tg-theme-text-color: #ffffff;--tg-theme-hint-color: #999999;--tg-theme-secondary-bg-color: #2d2d2d}}