body {
    background: linear-gradient(135deg, #f5f7fa, #c3cfe2);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.card {
    border: none;
    border-radius: 15px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.card-header {
    background: linear-gradient(135deg, #007bff, #1abc9c);
    color: white;
    text-align: center;
    padding: 20px;
    border-bottom: none;
}

.card-header img {
    width: 120px;
    height: auto;
    
    margin-bottom: 15px;
}

.card-header h2 {
    font-size: 24px;
    color: white;
    font-weight: bold;
    margin: 0;
}

.card-body {
    padding: 30px;
}

.form-label {
    font-weight: 600;
    color: #333;
}

.input-group {
    margin-bottom: 20px;
}

.input-group-text {
    background-color: #f8f9fa;
    border: 1px solid #ced4da;
    border-right: none;
}

.form-control {
    border-left: none;
}

.form-control:focus {
    box-shadow: none;
    border-color: #ced4da;
}

.btn-primary {
    background: linear-gradient(135deg, #007bff, #1abc9c);
    border: none;
    padding: 10px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 123, 255, 0.2);
}

.btn-outline-secondary {
    border-left: none;
    transition: all 0.3s ease;
}

.btn-outline-secondary:hover {
    background-color: #f8f9fa;
}

.text-muted {
    color: #6c757d !important;
}

.text-decoration-none {
    color: #007bff;
    transition: color 0.3s ease;
}

.text-decoration-none:hover {
    color: #0056b3;
}

.toggle-password {
    cursor: pointer;
}

@media (max-width: 576px) {
    .card {
        margin: 20px;
    }

    .card-header img {
        width: 100px;
    }

    .card-header h2 {
        font-size: 20px;
    }

    .card-body {
        padding: 20px;
    }
}