body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 20px;
    background-color: #0d1117;
    color: #c9d1d9;
}
.container {
    max-width: 1000px;
    margin: 0 auto;
}
header {
    background-color: #161b22;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}
h1 {
    margin: 0;
    color: #58a6ff;
}
.search-container {
    background-color: #161b22;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}
.form-group {
    margin-bottom: 15px;
}
label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}
input, select {
    width: 100%;
    padding: 10px;
    border-radius: 4px;
    border: 1px solid #30363d;
    background-color: #0d1117;
    color: #c9d1d9;
}
button {
    background-color: #238636;
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 4px;
    cursor: pointer;
    font-weight: bold;
}
button:hover {
    background-color: #2ea043;
}
#results {
    background-color: #161b22;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}
table {
    width: 100%;
    border-collapse: collapse;
}
th, td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #30363d;
}
th {
    background-color: #21262d;
    color: #58a6ff;
}
tr:hover {
    background-color: #1a1f24;
}
.loading {
    text-align: center;
    padding: 20px;
    font-style: italic;
}
.error {
    color: #f85149;
    padding: 10px;
    background-color: rgba(248, 81, 73, 0.1);
    border-radius: 4px;
    margin-bottom: 15px;
}
.regions-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 10px;
    margin-bottom: 15px;
}
.region-item {
    background-color: #21262d;
    padding: 10px;
    border-radius: 4px;
    cursor: pointer;
}
.region-item.selected {
    background-color: #388bfd;
    color: #0d1117;
}