* {
    box-sizing: border-box;
}
body {
    font-family: ui-sans-serif, system-ui, -apple-system, sans-serif;
    max-width: 880px;
    margin: 24px auto;
    padding: 0 16px;
    color: #1a1a1a;
}
header h1 {
    margin: 0 0 4px;
    font-size: 20px;
}
header p {
    margin: 0 0 24px;
    color: #666;
    font-size: 14px;
}
header p a {
    color: #555;
}

.controls {
    display: grid;
    gap: 12px;
    margin-bottom: 24px;
}
.controls label {
    display: grid;
    gap: 4px;
    font-size: 13px;
    color: #444;
}
.controls input {
    padding: 8px 10px;
    border: 1px solid #d4d4d4;
    border-radius: 6px;
    font-size: 14px;
}
.row {
    display: flex;
    gap: 8px;
}
button {
    padding: 6px 12px;
    border: 1px solid #d4d4d4;
    border-radius: 6px;
    background: #fff;
    cursor: pointer;
    font-size: 13px;
}
button:hover {
    background: #f5f5f5;
}

stackone-hub {
    display: block;
    margin-bottom: 24px;
}

.events h2 {
    font-size: 14px;
    margin: 0 0 8px;
    color: #444;
}
#event-log {
    list-style: none;
    padding: 0;
    margin: 0;
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 12px;
    max-height: 200px;
    overflow-y: auto;
    border: 1px solid #eee;
    border-radius: 6px;
    background: #fafafa;
}
#event-log li {
    padding: 6px 10px;
    border-bottom: 1px solid #eee;
}
#event-log li:last-child {
    border-bottom: none;
}