* {
        box-sizing: border-box;
        font-family: 'Arial', sans-serif;
        margin: 0;
        padding: 0;
    }

    body {
        margin: 0;
        padding: 0;
        font-family: 'Inter', sans-serif;
        color: #333;
        background-color: #f5f5f5;
        display: flex;
        flex-direction: column;
        min-height: 100vh;
    }

    header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 20px 5%;
        z-index: 100;
        background: rgba(0, 0, 0, 0.3);
        backdrop-filter: blur(5px);
    }

    .logo img {
        height: 50px;
        width: auto;
        filter: none;
    }

    nav ul {
        display: flex;
        list-style: none;
        margin: 0;
        padding: 0;
        gap: 30px;
    }

    nav ul li a {
        text-decoration: none;
        color: white;
        font-weight: 500;
        transition: color 0.3s;
    }

    nav ul li a:hover {
        color: #ffcc00;
    }

    .main-content {
        flex: 1;
        padding-top: 100px;
        display: flex;
        justify-content: center;
        align-items: center;
    }

    .auth-container {
        max-width: 500px;
        width: 100%;
        margin: 30px auto;
        background: white;
        border-radius: 10px;
        box-shadow: 0 4px 15px rgba(0,0,0,0.1);
        padding: 40px;
        text-align: center;
    }

    h1 {
        color: #0066cc;
        margin-bottom: 30px;
        font-size: 28px;
    }

    .auth-form {
        display: flex;
        flex-direction: column;
        gap: 20px;
    }

    .form-group {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
    }

    .form-group label {
        font-weight: 500;
        color: #555;
    }

    .form-group input {
        width: 100%;
        padding: 12px 15px;
        border: 1px solid #ddd;
        border-radius: 5px;
        font-size: 16px;
        transition: border-color 0.3s;
    }

    .form-group input:focus {
        border-color: #0066cc;
        outline: none;
    }

    .auth-button {
        background-color: #0066cc;
        color: white;
        border: none;
        padding: 12px 20px;
        border-radius: 5px;
        font-size: 16px;
        font-weight: 500;
        cursor: pointer;
        transition: background-color 0.3s;
        margin-top: 10px;
        text-transform: uppercase;
    }

    .auth-button:hover {
        background-color: #0055aa;
    }

    .auth-switch {
        margin-top: 20px;
        display: flex;
        justify-content: center;
        gap: 10px;
    }

    .auth-switch a {
        color: #0066cc;
        text-decoration: none;
        font-weight: 500;
    }

    .auth-switch a:hover {
        text-decoration: underline;
    }

    .error-message {
        color: #ff3333;
        margin-top: 10px;
        font-size: 14px;
    }

    .success-message {
        color: #009933;
        margin-top: 10px;
        font-size: 14px;
    }

    /* Подвал на всю ширину */
    footer {
        background-color: #3E4B82;
        color: white;
        padding: 40px 0;
        text-align: center;
        width: 100%;
        margin-top: auto;
    }

    .footer-container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 20px;
    }

    .footer-columns {
        display: flex;
        justify-content: center;
        gap: 50px;
        margin-bottom: 30px;
    }

    .footer-column {
        flex: 1;
        max-width: 400px;
    }

    .footer-column h3 {
        border-bottom: 1px solid rgba(255,255,255,0.2);
        padding-bottom: 10px;
        margin-bottom: 15px;
    }

    .support-text {
        font-style: italic;
        opacity: 0.8;
    }

    @media (max-width: 900px) {
        nav ul {
            gap: 15px;
            flex-wrap: wrap;
            justify-content: center;
        }

        header {
            flex-direction: column;
            padding: 15px;
        }

        .main-content {
            padding-top: 150px;
        }

        .footer-columns {
            flex-direction: column;
            gap: 30px;
            align-items: center;
        }
    }