body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    color: #333;
    overflow: hidden;
}

.login-container {
    background-color: #ffffff;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    width: 100%;
    max-width: 400px;
    text-align: center;
    animation: fadeIn 1s ease-out;
    position: relative;
    z-index: 1;
}

.login-container::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    right: -20px;
    bottom: -20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    z-index: -1;
    animation: pulse 2s infinite alternate;
}

.login-logo {
    margin-bottom: 30px;
}

.login-logo img {
    max-width: 100%;
    height: auto;
    width: 450px; /* Placeholder width */
    height: 150px; /* Placeholder height */
    object-fit: contain;
}

h2 {
    color: #333;
    margin-bottom: 10px;
    font-weight: 600;
}

p {
    color: #666;
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 20px;
    text-align: left;
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 16px;
    transition: all 0.3s ease;
    box-sizing: border-box;
}

.form-control:focus {
    border-color: #2575fc;
    box-shadow: 0 0 0 0.2rem rgba(37, 117, 252, 0.25);
    outline: none;
}

.form-control.is-invalid {
    border-color: #dc3545;
}

.invalid-feedback {
    color: #dc3545;
    font-size: 14px;
    margin-top: 5px;
    display: block;
}

.btn-primary {
    background-color: #2575fc;
    border-color: #2575fc;
    color: #fff;
    padding: 12px 25px;
    border-radius: 8px;
    font-size: 18px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
    width: 100%;
}

.btn-primary:hover {
    background-color: #1a5bbd;
    border-color: #1a5bbd;
    transform: translateY(-2px);
}

.alert {
    padding: 15px;
    margin-bottom: 20px;
    border-radius: 8px;
    font-size: 16px;
}

.alert-danger {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 0.1;
    }
    100% {
        transform: scale(1.05);
        opacity: 0.2;
    }
}

/* Responsive adjustments */
@media (max-width: 500px) {
    .login-container {
        margin: 20px;
        padding: 30px;
    }
}