body {
  margin: 0;
  overflow: hidden;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

#ui-container {
    position: absolute;
    top: 20px;
    left: 20px;
    width: 280px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
    user-select: none;
    max-height: 90vh;
    overflow-y: auto;
}

.header h2 { margin: 0 0 5px 0; font-size: 18px; color: #333; }
.header p { margin: 0; font-size: 12px; color: #666; }

.section { margin-top: 20px; border-top: 1px solid #eee; padding-top: 15px; }
.section h3 { margin: 0 0 10px 0; font-size: 14px; text-transform: uppercase; color: #888; letter-spacing: 0.5px; }

.stat-row { display: flex; justify-content: space-between; font-weight: bold; margin-bottom: 10px; font-size: 16px; }

.button-row { display: flex; gap: 10px; }
button {
    flex: 1;
    padding: 8px 12px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    font-size: 13px;
    transition: opacity 0.2s;
}
button:hover { opacity: 0.8; }

.primary { background-color: #2563EB; color: white; }
.danger { background-color: #ef4444; color: white; }
.secondary { background-color: #e5e7eb; color: #374151; }

/* Route List */
#route-list { list-style: none; padding: 0; margin: 0; }
#route-list li {
    background: #f3f4f6;
    margin-bottom: 8px;
    padding: 10px;
    border-radius: 6px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 14px;
}
#route-list li button {
    flex: 0;
    margin-left: 10px;
    padding: 4px 8px;
    font-size: 12px;
    background: #fee2e2;
    color: #991b1b;
}