:root {
    --bg-dark: #1e1e2e;
    --bg-panel: #282a36;
    --text-main: #f8f8f2;
    --accent: #bd93f9;
    --border: #44475a;
    --hover: #6272a4;
}

* { box-sizing: border-box; margin: 0; padding: 0; font-family: 'Courier New', Courier, monospace; }
body { display: flex; height: 100vh; background-color: var(--bg-dark); color: var(--text-main); }
.sidebar { width: 250px; background-color: var(--bg-panel); border-right: 1px solid var(--border); padding: 20px 0; }
.sidebar h2 { text-align: center; margin-bottom: 20px; color: var(--accent); }
.sidebar ul { list-style: none; }
.sidebar li { padding: 15px 20px; cursor: pointer; border-bottom: 1px solid var(--border); transition: background 0.2s; }
.sidebar li:hover, .sidebar li.active { background-color: var(--hover); }
.content { flex: 1; padding: 30px; overflow-y: auto; }
.tool-section { display: none; }
.tool-section.active { display: block; }
.input-group { margin: 20px 0; display: flex; gap: 10px; flex-wrap: wrap; }
input, textarea { background-color: var(--bg-dark); color: var(--text-main); border: 1px solid var(--border); padding: 10px; border-radius: 4px; width: 100%; max-width: 400px; }
textarea { min-height: 100px; resize: vertical; }
button { background-color: var(--accent); color: var(--bg-dark); border: none; padding: 10px 20px; font-weight: bold; cursor: pointer; border-radius: 4px; transition: opacity 0.2s; }
button:hover { opacity: 0.8; }
.results-container { background-color: var(--bg-panel); padding: 15px; border-radius: 4px; border: 1px solid var(--border); margin-top: 20px; overflow-x: auto; white-space: pre-wrap; word-wrap: break-word; }
.table-container { overflow-x: auto; margin-top: 20px; }
table { width: 100%; border-collapse: collapse; }
th, td { border: 1px solid var(--border); padding: 12px; text-align: left; vertical-align: top; }
th { background-color: var(--bg-panel); }
.lg-table { font-size: 0.85em; } /* Slightly smaller text for looking glass table */