* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
            background: #f5f5f5;
            min-height: 100vh;
        }

        .container {
            display: flex;
            min-height: 100vh;
            width: 100%;
        }

        /* Левая панель - информация о системе */
        .info-panel {
            flex: 0 0 45%;
            background: linear-gradient(135deg, #2c3e50 0%, #3498db 100%);
            color: white;
            padding: 40px 30px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            position: relative;
            overflow: hidden;
        }

        .info-panel::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" opacity="0.05"><path d="M30,30 L70,30 L70,70 L30,70 Z" fill="white"/><circle cx="50" cy="50" r="10" fill="white"/></svg>');
        }

        .logo {
            margin-bottom: 30px;
            font-size: 24px;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .logo-icon {
            width: 35px;
            height: 35px;
            background: rgba(255, 255, 255, 0.2);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .hero-title {
            font-size: 2.2em;
            font-weight: 300;
            margin-bottom: 20px;
            line-height: 1.2;
        }

        .hero-title strong {
            font-weight: 600;
        }

        .hero-subtitle {
            font-size: 1.1em;
            opacity: 0.9;
            margin-bottom: 40px;
            line-height: 1.6;
        }

        .features-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
            margin-bottom: 40px;
        }

        .feature-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
        }

        .feature-icon {
            width: 22px;
            height: 22px;
            background: rgba(255, 255, 255, 0.2);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            margin-top: 2px;
        }

        .feature-content h4 {
            font-size: 1em;
            margin-bottom: 5px;
            font-weight: 600;
        }

        .feature-content p {
            font-size: 0.85em;
            opacity: 0.8;
            line-height: 1.4;
        }

        .stats {
            display: flex;
            gap: 25px;
            margin-top: auto;
            flex-wrap: wrap;
        }

        .stat-item {
            text-align: center;
            flex: 1;
            min-width: 80px;
        }

        .stat-number {
            font-size: 1.6em;
            font-weight: 700;
            margin-bottom: 5px;
        }

        .stat-label {
            font-size: 0.8em;
            opacity: 0.8;
        }

        /* Правая панель - форма регистрации */
        .form-panel {
            flex: 0 0 55%;
            background: white;
            padding: 30px 25px;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow-y: auto;
        }

        .registration-container {
            width: 100%;
            max-width: 480px;
            padding: 15px;
        }

        .form-header {
            text-align: center;
            margin-bottom: 30px;
        }

        .form-header h1 {
            font-size: 1.8em;
            font-weight: 300;
            color: #2c3e50;
            margin-bottom: 8px;
        }

        .form-header p {
            color: #7f8c8d;
            font-size: 1em;
        }

        .form-group {
            margin-bottom: 18px;
        }

        .form-row {
            display: flex;
            gap: 12px;
        }
        .form-row.disabled {
            display:none; 
        }
        .form-row.disabled input {
            opacity:.4; 
        }
        .form-row .form-group {
            flex: 1;
        }

        label {
            display: block;
            margin-bottom: 6px;
            font-weight: 500;
            color: #2c3e50;
            font-size: 14px;
        }

        input, select {
            width: 100%;
            padding: 12px 14px;
            border: 1px solid #dcdfe6;
            border-radius: 6px;
            font-size: 14px;
            transition: all 0.3s ease;
            background: #fff;
        }

        input:focus, select:focus {
            outline: none;
            border-color: #3498db;
            box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
        }

        .password-strength {
            margin-top: 6px;
            height: 4px;
            border-radius: 2px;
            background: #ecf0f1;
            overflow: hidden;
        }

        .strength-bar {
            height: 100%;
            width: 0%;
            transition: all 0.3s ease;
            border-radius: 2px;
        }

        .strength-weak {
            background: #e74c3c;
            width: 33%;
        }

        .strength-medium {
            background: #f39c12;
            width: 66%;
        }

        .strength-strong {
            background: #27ae60;
            width: 100%;
        }

        .strength-text {
            font-size: 11px;
            margin-top: 4px;
            color: #7f8c8d;
        }

        .error {
            color: #e74c3c;
            font-size: 11px;
            margin-top: 4px;
            display: none;
        }

        .success {
            color: #27ae60;
            font-size: 11px;
            margin-top: 4px;
            display: none;
        }

        .company-info {
            background: #f8f9fa;
            padding: 12px;
            border-radius: 6px;
            margin-top: 8px;
            border-left: 4px solid #3498db;
            display: none;
        }

        .company-info h4 {
            margin-bottom: 6px;
            color: #2c3e50;
            font-size: 14px;
        }

        .company-info p {
            margin: 4px 0;
            color: #7f8c8d;
            font-size: 12px;
        }

        .terms-group {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            margin-bottom: 25px;
        }

        .terms-group input {
            width: auto;
            margin-top: 2px;
        }

        .terms-group label {
            font-weight: normal;
            font-size: 13px;
            line-height: 1.4;
        }

        .terms-group a {
            color: #3498db;
            text-decoration: none;
        }

        .btn-primary {
            width: 100%;
            background: #3498db;
            color: white;
            padding: 14px 20px;
            border: none;
            border-radius: 6px;
            font-size: 15px;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .btn-primary:hover {
            background: #2980b9;
            transform: translateY(-1px);
        }

        .btn-primary:disabled {
            background: #bdc3c7;
            cursor: not-allowed;
            transform: none;
        }

        .login-link {
            text-align: center;
            margin-top: 25px;
            color: #7f8c8d;
            font-size: 13px;
        }

        .login-link a {
            color: #3498db;
            text-decoration: none;
            font-weight: 500;
        }

        .loading {
            display: inline-block;
            width: 16px;
            height: 16px;
            border: 2px solid #f3f3f3;
            border-top: 2px solid #3498db;
            border-radius: 50%;
            animation: spin 1s linear infinite;
            margin-right: 8px;
        }

        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        /* Скрытый SEO-контент */
        .seo-content {
            position: absolute;
            left: -10000px;
            top: auto;
            width: 1px;
            height: 1px;
            overflow: hidden;
        }

        /* Мобильная адаптация */
        @media (max-width: 1024px) {
            .container {
                flex-direction: column;
                min-height: auto;
            }
            
            .info-panel {
                flex: none;
                padding: 30px 20px;
                order: 2;
            }
            
            .form-panel {
                flex: none;
                padding: 25px 20px;
                order: 1;
            }
            
            .registration-container {
                max-width: 100%;
                padding: 10px;
            }

            .features-grid {
                grid-template-columns: 1fr 1fr;
                gap: 15px;
            }

            .hero-title {
                font-size: 1.8em;
            }

            .stats {
                gap: 15px;
            }

            .stat-item {
                min-width: 70px;
            }
        }

        @media (max-width: 768px) {
            .form-row {
                flex-direction: column;
                gap: 0;
            }
            
            .features-grid {
                grid-template-columns: 1fr;
                gap: 15px;
            }

            .stats {
                justify-content: space-around;
            }

            .info-panel {
                padding: 25px 15px;
            }

            .form-panel {
                padding: 20px 15px;
            }

            .hero-title {
                font-size: 1.6em;
            }

            .form-header h1 {
                font-size: 1.6em;
            }

            input, select {
                padding: 14px 12px;
                font-size: 16px;
            }
        }

        @media (max-width: 480px) {
            .info-panel {
                padding: 20px 15px;
            }

            .form-panel {
                padding: 15px 10px;
            }

            .logo {
                font-size: 20px;
                margin-bottom: 20px;
            }

            .hero-title {
                font-size: 1.4em;
                margin-bottom: 15px;
            }

            .hero-subtitle {
                font-size: 1em;
                margin-bottom: 25px;
            }

            .form-header {
                margin-bottom: 20px;
            }

            .form-header h1 {
                font-size: 1.4em;
            }

            .g-recaptcha {
                transform: scale(0.85);
                transform-origin: 0 0;
            }
        }

        /* Поддержка темной темы */
        @media (prefers-color-scheme: dark) {
            body {
                background: #1a1a1a;
            }

            .form-panel {
                background: #2d2d2d;
            }

            input, select {
                background: #3d3d3d;
                border-color: #555;
                color: #f0f0f0;
            }

            label {
                color: #f0f0f0;
            }

            .form-header h1 {
                color: #f0f0f0;
            }

            .form-header p {
                color: #b0b0b0;
            }
        }