.blurred-background {
    position: fixed; 
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('https://mcdn.wallpapersafari.com/medium/83/35/hHFOaq.jpg');
    background-size: cover;
    background-position: center;
    filter: blur(2px); 
    -webkit-filter: blur(2px); 
    z-index: -1; 
}


body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    
    color: #333;
    line-height: 1.6;
    margin: 0;
    
}

.container {
    max-width: 900px;
    margin: 20px auto; 
    background-color: rgba(255, 255, 255, 0.95); 
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1); 
    overflow: hidden; 
}

header {
    padding: 30px 40px;
    background-color: #2c3e50; 
    color: #ffffff;
}

header h1 {
    margin: 0;
    font-size: 2.2em;
}

main {
    padding: 20px 40px; 
}


.card {
    background-color: #fdfdfd;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 25px;
    margin-bottom: 25px;
}

h2 {
    color: #34495e; 
    border-bottom: 2px solid #f0f0f0;
    padding-bottom: 10px;
    margin-top: 0;
    font-size: 1.8em;
}

h3 {
    color: #34495e;
    font-size: 1.3em;
}


a {
    color: #3498db; 
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: #2980b9; 
    text-decoration: underline;
}

.linked-image {
    border: 1px solid #ddd;
    border-radius: 5px;
    padding: 4px;
    transition: box-shadow 0.2s;
}

.linked-image:hover {
    box-shadow: 0 0 8px rgba(52, 152, 219, 0.5); 
}


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

.form-group label,
.form-group p {
    font-weight: bold;
    display: block;
    margin-bottom: 8px;
    font-size: 1em;
}


.radio-group,
.checkbox-group {
    display: block; 
    margin-bottom: 8px;
}

.radio-group label,
.checkbox-group label {
    font-weight: normal; 
    margin-left: 5px;
    cursor: pointer;
}


input[type="text"],
textarea,
select {
    width: 100%;
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 1em;
    font-family: inherit;
    box-sizing: border-box; 
    transition: border-color 0.2s, box-shadow 0.2s;
}


input[type="text"]:focus,
textarea:focus,
select:focus {
    border-color: #3498db;
    box-shadow: 0 0 5px rgba(52, 152, 219, 0.3);
    outline: none; 
}


.button-group {
    display: flex;
    flex-wrap: wrap; 
    gap: 10px; 
}

.button,
input[type="submit"],
input[type="reset"] {
    display: inline-block;
    padding: 12px 20px;
    font-size: 1em;
    font-weight: bold;
    text-align: center;
    text-decoration: none;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.1s;
}

.button:active,
input[type="submit"]:active,
input[type="reset"]:active {
    transform: translateY(1px); 
}


.button-primary,
input[type="submit"] {
    background-color: #3498db;
    color: white;
}

.button-primary:hover,
input[type="submit"]:hover {
    background-color: #2980b9;
    color: white; 
    text-decoration: none;
}


.button-secondary,
input[type="reset"] {
    background-color: #e0e0e0;
    color: #333;
}

.button-secondary:hover,
input[type="reset"]:hover {
    background-color: #c7c7c7;
    text-decoration: none;
}


.text-center {
    text-align: center;
}



footer {
    text-align: center;
    padding: 30px 40px;
    background-color: #f9f9f9;
    border-top: 1px solid #e0e0e0; 
}


footer hr {
    display: none; 
}

footer p {
    margin: 5px 0;
    font-size: 0.9em;
    color: #777;
}

footer a {
    color: #555;
    font-weight: bold;
}