* {
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    margin: 0;
    background: #f4f4f4;
    padding: 20px;
}

.container {
    max-width: 900px;
    margin: auto;
    margin-bottom: 50px;
    background: white;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

h1 {
    text-align: center;
    margin-bottom: 20px;
}

form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.full {
    grid-column: 1 / 3;
}

label {
    font-weight: bold;
    display: block;
    margin-bottom: 5px;
}

input, select, textarea {
    width: 100%;
    padding: 8px;
    border-radius: 6px;
    border: 1px solid #ccc;
    font-size: 14px;
}

.option-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 8px;
}
.option-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: normal;
}
.option-item input {
    width: auto;
}
.option-group label {
    font-weight: normal;
}

button {
    padding: 12px;
    background: #269440;
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    cursor: pointer;
    transition: 0.3s;
    font-weight: 600;
}

button:hover {
    background: #218838;
}

img {
    display: block;
    width: 100%;
    margin: 0 auto 20px auto;
    border-radius: 10px;
    max-width: 400px;
}
.success-box {
    background: #d4edda;
    color: #155724;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    border: 1px solid #c3e6cb;
}


.error-box {
    background: #f8d7da;
    color: #721c24;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    border: 1px solid #f5c6cb;
} 


@media (max-width: 480px) {
    form {
        grid-template-columns: 1fr;
    }

    .full {
        grid-column: 1;
    }
}