* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: Arial, sans-serif; background-color: aliceblue; }
.container { position: relative; width: 100%; height: 100vh; }
#network { width: 100%; height: 100%; background-color: aliceblue; }

.title {
    position: absolute; top: 10px; left: 50%; transform: translateX(-50%);
    font-size: 20px; font-weight: bold; color: black; background-color: aliceblue; z-index: 10;
}

.legend {
    position: absolute; top: 10px; left: 10px; padding: 6px 8px;
    background-color: rgba(255,255,255,0.95); border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1); z-index: 10;
}
.legend-item { display: flex; align-items: center; margin: 3px 0; font-size: 12px; }
.legend-color { width: 16px; height: 16px; border-radius: 50%; margin-right: 4px; border: 2px solid #333; }

.right-panel {
    position: absolute; top: 50px; right: 10px; width: 260px;
    display: flex; flex-direction: column; gap: 10px; z-index: 10;
}

.controls {
    display: flex; gap: 8px; align-items: center;
    background-color: rgba(255,255,255,0.95); padding: 10px;
    border-radius: 8px; box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.search-box {
    flex: 1; padding: 6px 10px; border: 1px solid #ccc; border-radius: 4px;
    font-size: 13px; outline: none;
}
.search-box:focus { border-color: #2196F3; }

.info-panel {
    background-color: rgba(255,255,255,0.95); border-radius: 8px;
    padding: 12px; box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    max-height: 400px; overflow-y: auto;
}
.info-title { font-weight: bold; margin-bottom: 8px; font-size: 14px; }
.info-content { font-size: 12px; line-height: 1.6; }
.info-content p { margin: 4px 0; }
.info-content .tag {
    display: inline-block; padding: 2px 8px; border-radius: 10px;
    font-size: 11px; margin: 2px; color: white;
}

.btn {
    padding: 8px 14px; font-size: 13px; font-weight: bold; border: none;
    border-radius: 6px; cursor: pointer; transition: all 0.2s;
}
.btn-secondary { background-color: #757575; color: white; }
.btn-secondary:hover { background-color: #616161; }

@media (max-width: 600px) {
    .title { font-size: 16px; }
    .right-panel { width: 200px; }
    .legend { padding: 4px 6px; }
    .legend-item { font-size: 10px; }
}