* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Roboto', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        
        body {
            background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
            min-height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            padding: 20px;
        }
        
        .login-container {
            background: rgba(255, 255, 255, 0.9);
            border-radius: 20px;
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
            width: 100%;
            max-width: 500px;
            padding: 40px;
            text-align: center;
        }
        
        .logo {
            margin-bottom: 30px;
        }
        
        .logo h1 {
            color: #2c3e50;
            font-size: 2.5rem;
            margin-bottom: 10px;
        }
        
        .logo p {
            color: #7f8c8d;
            font-size: 1.1rem;
        }
        
        .tabs {
            display: flex;
            gap: 20px;
            margin-bottom: 30px;
        }
        
        .tab-btn {
            flex: 1;
            padding: 16px 24px;
            border-radius: 50px;
            font-size: 1.2rem;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.3s ease;
            cursor: pointer;
            border: none;
            color: white;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .tab-btn i {
            margin-right: 10px;
        }
        
        .tab-btn.active {
            transform: translateY(-3px);
            box-shadow: 0 7px 20px rgba(0, 0, 0, 0.3);
        }
        
        .tab-btn:not(.active) {
            opacity: 0.8;
        }
        
        .tab-btn.login {
            background: linear-gradient(to right, #2c3e50, #4a6491);
        }
        
        .tab-btn.register {
            background: linear-gradient(to right, #6a11cb, #2575fc);
        }
        
        .tab-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 7px 20px rgba(0, 0, 0, 0.3);
        }
        
        form {
            display: flex;
            flex-direction: column;
            gap: 20px;
            animation: fadeIn 0.5s ease-out;
        }
        
        input {
            padding: 14px 20px;
            border: 1px solid #ddd;
            border-radius: 50px;
            font-size: 16px;
            transition: all 0.3s ease;
            background: rgba(255, 255, 255, 0.8);
            width: 100%;
            box-sizing: border-box;
        }
        
        input:focus {
            outline: none;
            border-color: #2575fc;
            box-shadow: 0 0 0 3px rgba(37, 117, 252, 0.3);
        }
        
        button[type="submit"] {
            background: linear-gradient(to right, #6a11cb, #2575fc);
            color: white;
            border: none;
            padding: 16px;
            border-radius: 50px;
            font-size: 1.2rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
            width: 100%;
        }
        
        button[type="submit"]:hover {
            transform: translateY(-3px);
            box-shadow: 0 7px 20px rgba(0, 0, 0, 0.3);
        }
        
        /* Social login styles */
        .divider {
            display: flex;
            align-items: center;
            margin: 25px 0;
            color: #7f8c8d;
            font-size: 14px;
        }
        
        .divider::before, .divider::after {
            content: '';
            flex: 1;
            height: 1px;
            background: #ddd;
            margin: 0 10px;
        }
        
        .social-login {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        
        .social-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 14px;
            border-radius: 50px;
            font-size: 16px;
            font-weight: 500;
            text-decoration: none;
            transition: all 0.3s ease;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
        }
        
        .social-btn.google {
            background: white;
            color: #757575;
            border: 1px solid #ddd;
        }
        
        .social-btn.google:hover {
            background: #f5f5f5;
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.15);
        }
        
        .social-btn.yandex {
            background: #FF0000;
            color: white;
        }
        
        .social-btn.yandex:hover {
            background: #e60000;
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(255, 0, 0, 0.2);
        }
        
        .social-btn svg {
            margin-right: 10px;
        }
        
        /* Анимации */
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(10px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        .form-container {
            position: relative;
            overflow: hidden;
            transition: height 0.4s ease;
        }
        
        .form-wrapper {
            transition: all 0.4s ease;
        }
        
        @media (max-width: 600px) {
            .login-container {
                padding: 30px 20px;
            }
            
            .tabs {
                flex-direction: column;
                gap: 15px;
            }
        }