body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #f7f7f7;
    color: #222;
}

.wrapper {
    max-width: 1000px;
    margin: 0 auto;
    padding: 20px;
}

.nav {
    padding: 10px;
    border-bottom: 1px solid #ccc;
    margin-bottom: 20px;
    background: #fff;
}

.content {
    padding: 20px;
    background: #fff;
}

.footer {
    padding: 20px;
    font-size: 14px;
    color: #666;
}
.btn {
    display: inline-block;
    padding: 10px 16px;
    background: #111;
    color: #fff;
    text-decoration: none;
    border-radius: 6px;
    border: none;
    cursor: pointer;
}

.btn:hover {
    opacity: 0.9;
}
.form-group {
    margin-bottom: 15px;
}

.input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #ccc;
    border-radius: 6px;
    box-sizing: border-box;
}

.label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
}