:root {
    --bg-color: #1a1a1a;
    --card-bg-color: #2c2c2c;
    --text-color: #f0f0f0;
    --text-muted-color: #a0a0a0;
    --accent-color: #007bff;
    --green: #28a745;
    --yellow: #ffc107;
    --red: #dc3545;
    --blue: #17a2b8;
}

body {
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    line-height: 1.6;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    background-color: var(--card-bg-color);
    padding: 20px 0;
    border-bottom: 1px solid #444;
}

header h1 {
    margin: 0;
    font-weight: 700;
    color: var(--accent-color);
}

header .subtitle {
    margin: 0;
    font-size: 1rem;
    color: var(--text-muted-color);
}

main {
    padding: 30px 0;
}

.event-card {
    background-color: var(--card-bg-color);
    border: 1px solid #444;
    border-left-width: 5px;
    border-radius: 8px;
    padding: 15px 20px;
    margin-bottom: 15px;
    animation: fadeIn 0.5s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.event-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.event-agent {
    font-weight: 500;
    font-size: 1.1rem;
}

.event-agent-type {
    font-size: 0.8rem;
    background-color: #555;
    color: #eee;
    padding: 2px 8px;
    border-radius: 12px;
    margin-left: 10px;
}

.event-timestamp {
    font-size: 0.85rem;
    color: var(--text-muted-color);
}

.event-action {
    font-weight: 700;
    margin-bottom: 10px;
}

.event-details {
    background-color: #333;
    padding: 10px;
    border-radius: 6px;
    font-size: 0.9rem;
    color: var(--text-muted-color);
    word-wrap: break-word;
}

/* Color coding for event actions */
.event-card.TASK_STARTED { border-left-color: var(--yellow); }
.event-card.TASK_COMPLETED { border-left-color: var(--green); }
.event-card.TASK_FAILED { border-left-color: var(--red); }
.event-card.INFO { border-left-color: var(--blue); }