/* Responsive Design */
@media (max-width: 768px) {
    .main-content {
        grid-template-columns: 1fr;
        grid-template-rows: 1fr auto 1fr 1fr 1fr;
        height: auto;
        gap: 15px;
    }
    
    .top-left { 
        grid-column: 1; 
        grid-row: 1; 
    }
    
    .conversion-controls {
        grid-column: 1; 
        grid-row: 2;
        flex-direction: row;
        justify-content: center;
        padding: 15px;
        gap: 15px;
        flex-wrap: wrap;
        margin: 0;
    }
    
    .top-right { 
        grid-column: 1; 
        grid-row: 3; 
    }
    
    .bottom-left { 
        grid-column: 1; 
        grid-row: 4; 
    }
    
    .bottom-right { 
        grid-column: 1; 
        grid-row: 5; 
    }
    
    .panel {
        padding: 12px;
        min-height: 350px;
    }

    /* Bottom panels specific adjustments for mobile */
    .bottom-left .panel,
    .bottom-right .panel {
        padding: 12px;
        min-height: 350px;
    }

    #pythonEditor .CodeMirror,
    #commonTestEditor .CodeMirror {
        min-height: 0;
    }

    #flowchart,
    #output {
        min-height: 0;
        padding-bottom: 16px;
    }

    .controls {
        flex-direction: column;
        align-items: center;
    }

    .direction-selector,
    .sample-selector {
        margin-bottom: 10px;
        width: 100%;
        justify-content: center;
    }

    .sample-selector select {
        min-width: 120px;
        max-width: 200px;
    }

    .sample-selector label {
        font-size: 13px;
    }

    .load-sample-button {
        padding: 6px 12px;
        font-size: 13px;
    }

    h1 {
        font-size: 20px;
    }

    /* URL sharing responsive design */
    .url-row {
        grid-template-columns: 1fr;
        gap: 8px;
        text-align: center;
    }

    .url-label {
        font-size: 14px;
        margin-bottom: 5px;
    }

    .url-generate-button,
    .url-copy-button {
        width: 100%;
        min-width: auto;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 10px;
    }

    .panel {
        padding: 12px;
        min-height: 350px;
    }
    
    #pythonEditor .CodeMirror,
    #commonTestEditor .CodeMirror {
        min-height: 0;
    }

    #flowchart,
    #output {
        min-height: 0;
        padding: 10px;
        padding-bottom: 16px;
    }

    button {
        padding: 8px 16px;
        font-size: 14px;
    }

    .copy-button {
        padding: 4px 8px;
        font-size: 11px;
    }

    .convert-button-right,
    .convert-button-left {
        width: 40px;
        height: 40px;
        font-size: 18px;
    }

    .conversion-controls {
        gap: 12px;
        padding: 10px;
        flex-wrap: wrap;
    }

    .conversion-controls .run-button,
    .conversion-controls .clear-button {
        width: 55px;
        height: 28px;
        font-size: 11px;
    }

    .input-dialog {
        width: 90%;
        max-width: 400px;
    }

    .input-dialog input {
        width: 100%;
    }

    .sample-selector {
        flex-direction: column;
        gap: 8px;
    }

    .sample-selector select {
        width: 100%;
        min-width: auto;
    }

    /* URL sharing mobile responsive design */
    .url-row {
        grid-template-columns: 1fr;
        gap: 6px;
        padding: 15px;
    }

    .url-generate-button {
        font-size: 10px;
        padding: 6px 8px;
        height: 28px;
        min-width: auto;
    }

    .url-copy-button {
        font-size: 10px;
        padding: 6px 8px;
        height: 28px;
        min-width: auto;
    }

    .url-row input {
        height: 28px;
        font-size: 12px;
    }
}