:root {
    --bg-color: #f0f2f5;
    --panel-bg: #ffffff;
    --text-color: #333;
    --primary-color: #007bff;
    --border-color: #dee2e6;
    --shadow: 0 1px 3px rgba(0,0,0,0.1);
}
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 20px;
}
.container {
    max-width: 1400px;
    margin: 0 auto;
}
header h1 {
    color: var(--primary-color);
    text-align: center;
}
.dashboard {
    display: grid;
    grid-template-columns: 1fr 2fr 3fr;
    gap: 20px;
    height: 80vh;
}
.panel {
    background-color: var(--panel-bg);
    border-radius: 8px;
    box-shadow: var(--shadow);
    padding: 20px;
    overflow-y: auto;
}
h2 {
    margin-top: 0;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 10px;
}
ul {
    list-style: none;
    padding: 0;
}
ul li {
    padding: 10px;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.2s;
}
ul li:hover, ul li.active {
    background-color: #e9ecef;
}
#details-content pre {
    background-color: var(--bg-color);
    padding: 15px;
    border-radius: 5px;
    white-space: pre-wrap;
    word-break: break-all;
}
.message {
    margin-bottom: 15px;
    padding: 10px;
    border-radius: 8px;
    max-width: 80%;
}
.message.user {
    background-color: #e7f3ff;
    margin-left: auto;
}
.message.assistant {
    background-color: #f8f9fa;
    border: 1px solid var(--border-color);
}
.message strong {
    display: block;
    margin-bottom: 5px;
    color: var(--primary-color);
    text-transform: capitalize;
}