* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Space Mono', monospace;
    background: #000000;
    color: #cccccc;
    line-height: 1.5;
    padding: 10px;
    max-width: 1400px;
    margin: 0 auto;
    overflow-x: hidden;
}

h1 {
    color: #ffffff;
    text-align: center;
    margin-bottom: 10px;
    font-size: 2.2rem;
}

.controls {
    display: flex;
    gap: 15px;
    margin-bottom: 10px;
    flex-wrap: wrap;
    align-items: center;
}

button {
    background: #003366;
    color: #ffffff;
    border: none;
    padding: 8px 16px;
    border-radius: 3px;
    cursor: pointer;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.95rem;
    transition: background 0.2s;
}

button:hover {
    background: #004488;
}

button:disabled {
    background: #333333;
    cursor: not-allowed;
}

label {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
}

input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
}

.container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    max-height: 85vh;
    min-height: 500px;
}

@media (max-width: 1024px) {
    .container {
        grid-template-columns: 1fr;
        max-height: none;
    }
}

.editor-pane,
.io-pane {
    display: flex;
    flex-direction: column;
    min-height: 0;
}

textarea {
    width: 100%;
    height: 100%;
    min-height: 300px;
    background: #0a0a0a;
    color: #cccccc;
    border: 1px solid #333333;
    border-radius: 3px;
    padding: 12px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
    resize: none;
    flex-grow: 1;
    overflow: auto;
    white-space: pre;
}

.panel {
    background: #0a0a0a;
    border: 1px solid #333333;
    border-radius: 3px;
    padding: 12px;
    flex-grow: 1;
    overflow: auto;
    min-height: 180px;
    max-height: 350px;
    white-space: pre-wrap;
    word-wrap: break-word;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
}

.input-group {
    display: flex;
    gap: 8px;
    margin: 8px 0;
}

input[type="text"] {
    flex-grow: 1;
    padding: 8px;
    background: #0a0a0a;
    color: #cccccc;
    border: 1px solid #333333;
    border-radius: 3px;
    font-family: 'JetBrains Mono', monospace;
}

#output-area {
    color: #00aaff;
    margin-bottom: 8px;
}

#log-area {
    color: #00cc88;
    font-size: 0.85rem;
    margin-top: 8px;
    max-height: 120px;
}

.site-footer {
    margin-top: 20px;
    padding: 15px 0;
    text-align: center;
    font-family: 'Space Mono', monospace;
    font-size: 0.8rem;
    color: #666666;
    border-top: 1px solid #333333;
}

.footer-content {
    max-width: 800px;
    margin: 0 auto;
}

.footer-content p {
    margin: 0;
    line-height: 1.5;
}

.site-footer a {
    color: #00aaff;
    text-decoration: none;
    transition: color 0.2s;
}

.site-footer a:hover {
    color: #ffffff;
    text-decoration: underline;
}

@media (max-width: 600px) {
    .site-footer {
        font-size: 0.75rem;
        padding: 10px 0;
    }
    .footer-content p {
        padding: 0 10px;
    }
}

.version {
    font-size: 1.2rem;
    color: #00aaff;
    margin-left: 4px;
}