/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600&family=Roboto+Mono:wght@400;500&display=swap');

/* Basic Reset & Body Styling */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, #1e1e2f, #2d2d44);
    color: #e0e0e0;
    line-height: 1.6;
    display: flex;
    justify-content: center;
    align-items: flex-start; /* Align top on small screens */
    min-height: 100vh;
    padding: 20px; /* Default padding */
}

/* Main Container */
.container {
    background-color: #252538;
    padding: 30px 40px; /* Default padding */
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
    width: 100%; /* Take full width */
    max-width: 800px; /* Limit max width on larger screens */
    margin-top: 20px; /* Add some top margin */
    margin-bottom: 20px; /* Add some bottom margin */
}

/* Headings and Subtitle */
h1 {
    color: #a88ee8;
    text-align: center;
    margin-bottom: 10px;
    font-weight: 600;
    font-size: 2rem; /* Default size */
}

/* Changed icon class for JavaScript */
h1 .fab.fa-js-square {
    margin-right: 8px;
    color: #f0db4f; /* JavaScript Yellow */
}

.subtitle {
    text-align: center;
    margin-bottom: 30px;
    font-weight: 300;
    color: #b0b0b0;
    font-size: 1rem; /* Default size */
}

/* Labels */
label {
    display: block;
    margin-bottom: 8px;
    font-weight: 400;
    color: #c0c0c0;
    font-size: 0.95rem; /* Default size */
}

/* --- CodeMirror 5 Editor Styling --- */
.editor-container {
    margin-bottom: 15px;
}

.CodeMirror { /* This is CM5's main class */
    border: 1px solid #4a4a6a;
    border-radius: 6px;
    height: 300px; /* Default height */
    font-family: 'Roboto Mono', monospace !important; /* Ensure font */
    font-size: 0.95rem; /* Default font size */
}

.CodeMirror-focused {
     outline: 2px solid #a88ee8 !important;
     outline-offset: 0px;
}

.CodeMirror-gutters {
    background-color: #2c313a;
    border-right: 1px solid #4a4a6a;
}
/* --- End CodeMirror Styling --- */


/* --- Run Button --- */
#runButton {
    display: block;
    width: 100%;
    padding: 12px 20px; /* Default padding */
    background: linear-gradient(135deg, #8e44ad, #a88ee8);
    color: #ffffff;
    font-family: 'Poppins', sans-serif;
    font-size: 1rem; /* Default font size */
    font-weight: 600;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.3s ease, box-shadow 0.3s ease;
    margin-top: 15px;
    margin-bottom: 30px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

#runButton:hover {
    background: linear-gradient(135deg, #7a3396, #9270d4);
    box-shadow: 0 6px 15px rgba(142, 68, 173, 0.4);
}
/* --- End Run Button --- */

/* --- Output Area --- */
#outputArea {
    width: 100%;
    min-height: 100px; /* Default min-height */
    font-family: 'Roboto Mono', monospace;
    font-size: 0.9rem; /* Default font size */
    background-color: #1c1c2b;
    color: #b3ffb3; /* Greenish text for output */
    border: 1px solid #4a4a6a;
    border-radius: 6px;
    padding: 15px; /* Default padding */
    white-space: pre-wrap;
    overflow-wrap: break-word;
    overflow-y: auto;
    box-sizing: border-box; /* Include padding in width */
}

/* Style for error messages in the output */
#outputArea .error-text, #outputArea:not(:empty)::before { /* Target error text or non-empty output with pseudo-elements for general errors */
    color: #ff8080; /* Reddish text for errors */
}
/* --- End Output Area --- */


/* --- RESPONSIVE STYLES --- */

/* Medium screens (e.g., tablets) */
@media (max-width: 768px) {
    body {
        padding: 15px; /* Reduce body padding */
        align-items: flex-start; /* Align container to top */
    }

    .container {
        padding: 20px 25px; /* Reduce container padding */
        max-width: 95%; /* Allow container to be wider */
    }

    h1 {
        font-size: 1.7rem; /* Reduce heading size */
    }

    .subtitle {
        font-size: 0.95rem; /* Reduce subtitle size */
        margin-bottom: 25px;
    }

     label {
        font-size: 0.9rem;
    }

    .CodeMirror {
        height: 250px; /* Reduce editor height */
        font-size: 0.9rem; /* Slightly smaller font */
    }

    #runButton {
        padding: 10px 18px; /* Reduce button padding */
        font-size: 0.95rem; /* Slightly smaller font */
        margin-bottom: 25px;
    }

    #outputArea {
        min-height: 80px; /* Reduce output area height */
        font-size: 0.85rem; /* Smaller font */
        padding: 12px;
    }
}

/* Small screens (e.g., mobile phones) */
@media (max-width: 480px) {
    body {
        padding: 10px; /* Further reduce body padding */
    }

    .container {
        padding: 15px 15px; /* Further reduce container padding */
        max-width: 100%; /* Allow full width */
         margin-top: 10px;
         margin-bottom: 10px;
         border-radius: 8px; /* Slightly smaller radius */
    }

     h1 {
        font-size: 1.5rem; /* Further reduce heading size */
        margin-bottom: 8px;
    }
    h1 .fab.fa-js-square { /* Adjusted icon class */
        font-size: 1.4rem; /* Adjust icon size if needed */
        margin-right: 5px;
    }

    .subtitle {
        font-size: 0.85rem; /* Further reduce subtitle size */
        margin-bottom: 20px;
    }

    label {
        font-size: 0.85rem;
        margin-bottom: 5px;
    }

    .CodeMirror {
        height: 200px; /* Further reduce editor height */
        font-size: 0.8rem; /* Smaller font */
        border-radius: 4px;
    }

     #runButton {
        padding: 9px 15px; /* Reduce button padding */
        font-size: 0.9rem; /* Slightly smaller font */
        border-radius: 4px;
        margin-top: 10px;
        margin-bottom: 20px;
    }

    #outputArea {
        min-height: 70px; /* Adjust output area height */
        font-size: 0.75rem; /* Smaller font */
        padding: 10px;
        border-radius: 4px;
    }
}