* { box-sizing: border-box; margin: 0; padding: 0; }
body {
    font-family: Arial, sans-serif;
    background: #f0f4f8;
    color: #1a1a1a;
    padding: 20px;
}
.container {
    max-width: 800px;
    margin: 0 auto;
    background: #fff;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}
header {
    text-align: center;
    margin-bottom: 30px;
}
header .logo { width: 120px; }
textarea {
    width: 100%;
       min-height: 30vh;
    margin-bottom: 15px;
    padding: 15px;
    font-size: 16px;
    border-radius: 10px;
    border: 1px solid #ccc;
    resize: vertical;
}
.options {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.separator{
    width: 30%;
}
.options div { margin-bottom: 15px; }
.options h4 { margin-bottom: 10px; color: #667eea; }
button {
    padding: 12px 25px;
    margin-right: 10px;
    border: none;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    color: #fff;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    transition: all 0.3s ease;
}
button:hover { transform: translateY(-2px); box-shadow: 0 5px 15px rgba(102,126,234,0.4); }
.buttons { margin-bottom: 20px; }
.output-section textarea { min-height: 100px; background: #f8f9fa; }
.copy-msg { display: none; color: #27ae60; margin-top: 8px; font-weight: 600; }
@media(max-width:768px){
    .options { flex-direction: column; }
    .buttons button { width: 100%; margin-bottom: 10px; }
}