body {
        background: radial-gradient(circle at bottom, #0f172a 0%, #1e293b 60%, #0b1221 100%);
        color: #fff;
        font-family: Arial, sans-serif;
        margin: 0;
        padding: 0;
        min-height: 100vh;
        display: flex;
        justify-content: center;
        align-items: center;
    }

    .login-container {
        display: flex;
        flex-direction: column; /* Mobilde dikey hizalama */
        justify-content: center;
        align-items: center;
        background-color: rgba(17, 24, 39, 0.95);
        border-radius: 15px;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
        padding: 40px;
        max-width: 900px;
        width: 90%; /* Mobilde daha geniş görünüm için ayarlama */
        gap: 20px;
    }

    .login-container .info {
        text-align: center;
        margin-bottom: 20px; /* Mobilde alan yaratmak için ek boşluk */
    }

    .login-container .info img {
        max-width: 120px; /* Mobilde boyut azaltıldı */
        margin-bottom: 10px;
    }

    .login-container .info h2 {
        font-size: 20px; /* Mobilde font boyutu azaltıldı */
        margin-bottom: 10px;
    }

    .login-container .info p {
        font-size: 14px;
        color: #ccc;
        line-height: 1.4;
    }

    .login-container .form {
        background-color: #1e293b;
        border-radius: 10px;
        padding: 20px;
        width: 100%; /* Mobilde tam genişlik */
        max-width: 350px;
    }

    .login-container .form h3 {
        font-size: 18px;
        margin-bottom: 15px;
        color: #fff;
    }

    .login-container .form input {
        width: 100%;
        padding: 10px;
        margin-bottom: 15px;
        border-radius: 8px;
        border: none;
        background-color: #2c3a4b;
        color: #fff;
    }

    .login-container .form input::placeholder {
        color: #7c8c9b;
    }

    .login-container .form button {
        width: 100%;
        padding: 10px;
        border-radius: 8px;
        border: none;
        background: linear-gradient(to right, #00d4ff, #00a3cc);
        color: #fff;
        font-size: 16px;
        cursor: pointer;
        transition: background 0.3s ease;
    }

    .login-container .form button:hover {
        background: linear-gradient(to right, #00a3cc, #007a99);
    }

    .login-container .form a {
        color: #00d4ff;
        font-size: 14px;
        text-decoration: none;
        display: block;
        text-align: center;
        margin-top: 15px;
    }

    .login-container .form a:hover {
        text-decoration: underline;
    }

    @media (min-width: 768px) {
        .login-container {
            flex-direction: row; /* Daha büyük ekranlarda yatay hizalama */
        }

        .login-container .info {
            margin-bottom: 0; /* Mobildeki boşluk kaldırıldı */
        }
    }

        .toast-container {
            position: fixed;
            top: 20px;
            right: 20px;
            z-index: 1050;
        }

        .toast {
            min-width: 250px;
        }
.flash-message-container {
    position: fixed;
    top: -150px; /* Animasyon başlangıç konumu (ekran dışında) */
    left: 50%;
    transform: translateX(-50%);
    z-index: 1050;
    animation: slideDown 0.6s ease-in-out forwards, slideUp 0.6s ease-in-out 5.5s forwards;
    max-width: 90%;
    width: 400px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
}

.flash-message {
    padding: 15px 20px;
    color: #333;
    font-family: Arial, sans-serif;
    font-size: 14px;
    background: #f8f9fa;
}

.flash-message h4 {
    font-size: 16px;
    margin-bottom: 10px;
    color: #007BFF;
    font-weight: bold;
}

.flash-message ul {
    margin: 10px 0;
    padding-left: 20px;
    list-style-type: disc;
}

.flash-message p {
    margin: 0;
    line-height: 1.5;
}

.flash-message a {
    text-decoration: none;
}

.flash-message .close-flash {
    position: absolute;
    top: 10px;
    right: 10px;
    background: none;
    border: none;
    font-size: 20px;
    color: #888;
    cursor: pointer;
}

.flash-message .close-flash:hover {
    color: #000;
}

/* Animasyonlar */
@keyframes slideDown {
    from {
        top: -150px; /* Başlangıç noktası (ekran dışında) */
        opacity: 0;
    }
    to {
        top: 20px; /* Mesajın tam göründüğü konum */
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        top: 20px; /* Görünür pozisyon */
        opacity: 1;
    }
    to {
        top: -150px; /* Çıkış pozisyonu */
        opacity: 0;
    }
}