body {
    margin: 0;
    padding: 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}
.container {
    width: 80vw;
    min-width: 1200px;
    max-width: 1800px;
    margin: 0 auto;
    background: white;
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    padding: 0;
    overflow: hidden;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
}
.editor-section {
    flex: 1;
    min-height: 0;
    background: #e9ecef;
}
.standalone-link {
    display: none;
}
@media (max-width: 1400px) {
    .container {
        width: 90vw;
        min-width: 1000px;
    }
}

@media (max-width: 1200px) {
    .container {
        width: 95vw;
        min-width: 800px;
    }
}

@media (max-width: 768px) {
    .container {
        margin: 10px;
        width: 98vw;
        min-width: auto;
    }
    .input-panel, .output-panel {
        height: 400px;
    }
}
footer {
    text-align: center;
    padding: 20px;
    background: #f8f9fa;
    border-top: 1px solid #e9ecef;
}