:root{--tg-theme-bg-color: #ffffff;--tg-theme-text-color: #1a1a1a;--tg-theme-hint-color: #8e8e93;--tg-theme-link-color: #007aff;--tg-theme-button-color: #007aff;--tg-theme-button-text-color: #ffffff;--tg-theme-secondary-bg-color: #f2f2f7;--radius: 12px;--radius-sm: 8px;--gap-xs: 6px;--gap-sm: 10px;--gap-md: 16px;--gap-lg: 24px;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .06);--shadow-md: 0 2px 8px rgba(0, 0, 0, .08)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,Segoe UI,Roboto,sans-serif;font-size:16px;line-height:1.5;background-color:var(--tg-theme-secondary-bg-color);color:var(--tg-theme-text-color);-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent}.container{max-width:480px;margin:0 auto;padding:var(--gap-md);padding-bottom:100px;min-height:100vh}.loading{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;gap:var(--gap-md);color:var(--tg-theme-hint-color)}.spinner{width:36px;height:36px;border:3px solid var(--tg-theme-secondary-bg-color);border-top-color:var(--tg-theme-button-color);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.header{text-align:center;margin-bottom:var(--gap-lg)}.header h1{font-size:22px;font-weight:700;margin-bottom:var(--gap-md)}.step-indicators{display:flex;justify-content:center;gap:var(--gap-lg);margin-bottom:var(--gap-sm)}.step-dot{display:flex;flex-direction:column;align-items:center;gap:4px}.step-dot .dot{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:600;background:var(--tg-theme-secondary-bg-color);color:var(--tg-theme-hint-color);border:2px solid transparent;transition:all .3s ease}.step-dot.active .dot{background:var(--tg-theme-button-color);color:var(--tg-theme-button-text-color);border-color:var(--tg-theme-button-color);box-shadow:0 2px 8px #007aff4d}.step-dot.completed .dot{background:#34c759;color:#fff;border-color:#34c759}.dot-label{font-size:11px;color:var(--tg-theme-hint-color);font-weight:500}.step-dot.active .dot-label{color:var(--tg-theme-button-color);font-weight:600}.progress{height:4px;background-color:var(--tg-theme-secondary-bg-color);border-radius:2px;overflow:hidden}.progress-bar{height:100%;background:linear-gradient(90deg,var(--tg-theme-button-color),#5ac8fa);border-radius:2px;transition:width .4s ease}.form{display:flex;flex-direction:column;gap:var(--gap-md)}.form-step{animation:slideIn .3s ease}@keyframes slideIn{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.form-step h2{font-size:18px;font-weight:600;margin-bottom:var(--gap-md);color:var(--tg-theme-text-color)}.form-group{display:flex;flex-direction:column;gap:var(--gap-xs);margin-bottom:var(--gap-sm)}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:var(--gap-md)}label{font-size:14px;font-weight:600;color:var(--tg-theme-text-color)}.required-mark{color:#ff3b30}input,select,textarea{width:100%;padding:12px 14px;font-size:16px;border:1.5px solid #d1d1d6;border-radius:var(--radius-sm);background-color:var(--tg-theme-bg-color);color:var(--tg-theme-text-color);transition:border-color .2s ease,box-shadow .2s ease;-webkit-appearance:none;-moz-appearance:none;appearance:none}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--tg-theme-button-color);box-shadow:0 0 0 3px #007aff1f}input.error,select.error,textarea.error{border-color:#ff3b30;box-shadow:0 0 0 3px #ff3b301a}input::placeholder,textarea::placeholder{color:var(--tg-theme-hint-color)}select{cursor:pointer;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='%238e8e93' 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:80px}.error-text{font-size:13px;color:#ff3b30;font-weight:500}.summary-card{background:var(--tg-theme-bg-color);padding:var(--gap-md);border-radius:var(--radius);margin-top:var(--gap-md);box-shadow:var(--shadow-sm);border:1px solid rgba(0,0,0,.04)}.summary-card h3{font-size:15px;font-weight:600;margin-bottom:var(--gap-sm);color:var(--tg-theme-text-color)}.summary-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--gap-sm)}.summary-item{display:flex;flex-direction:column;gap:2px}.summary-label{font-size:12px;color:var(--tg-theme-hint-color);font-weight:500;text-transform:uppercase;letter-spacing:.3px}.summary-value{font-size:14px;font-weight:600;color:var(--tg-theme-text-color)}.nav-buttons{position:fixed;bottom:0;left:0;right:0;padding:var(--gap-md);background:var(--tg-theme-bg-color);box-shadow:0 -1px 8px #00000014;display:flex;gap:var(--gap-sm);z-index:10}.back-btn{flex:0 0 auto;padding:14px 20px;font-size:16px;font-weight:600;color:var(--tg-theme-button-color);background:var(--tg-theme-secondary-bg-color);border:none;border-radius:var(--radius);cursor:pointer;transition:opacity .2s}.submit-btn,.next-btn{flex:1;padding:14px;font-size:16px;font-weight:600;color:var(--tg-theme-button-text-color);background-color:var(--tg-theme-button-color);border:none;border-radius:var(--radius);cursor:pointer;transition:opacity .2s,transform .1s}.submit-btn:active,.next-btn:active,.back-btn:active{transform:scale(.98)}.submit-btn:disabled{opacity:.4;cursor:not-allowed}@media (prefers-color-scheme: dark){:root{--tg-theme-bg-color: #1c1c1e;--tg-theme-text-color: #f2f2f7;--tg-theme-hint-color: #8e8e93;--tg-theme-secondary-bg-color: #2c2c2e}input,select,textarea{border-color:#3a3a3c}.summary-card{border-color:#ffffff0f}.nav-buttons{box-shadow:0 -1px 8px #0000004d}}