html, body { height: 100%; margin: 0; background: #f8f8fa; font-family: Arial, sans-serif; }
#controls { margin: 14px auto 0 auto; max-width: 520px; position: relative; background: #fffbe9; z-index: 1100; padding: 10px 18px; border-radius: 12px; box-shadow: 0 2px 8px #aaa6; display: flex; align-items: center; gap: 12px; user-select: none; flex-wrap: wrap; justify-content: center; }
#playBtn { min-width: 45px; }
#yearSlider { width: 220px; }
#yearDisplay { font-weight: bold; min-width: 90px; text-align: center; }
#csvUpload { cursor: pointer; }
#helpBtn { background: #185a9d; color: #fff; border: none; border-radius: 50%; width: 28px; height: 28px; cursor: pointer; font-size: 1.2em; font-weight: bold; display: flex; align-items: center; justify-content: center; margin-left: 2px; }
#csvHelp { display: none; position: absolute; top: 40px; right: 18px; background: #fffbe9; border-radius: 9px; padding: 15px 18px; font-size: 1.03em; color: #185a9d; box-shadow: 0 2px 8px #aaa; z-index: 2000; width: 360px; line-height: 1.5; }
#csvHelp code { background: #eaf6ff; border-radius: 3px; padding: 2px 3px; color: #464646; }
#map { height: 80vh; width: 100vw; display: block; }
#destination-list { position: absolute; left: 0; bottom: 60px; width: 260px; max-height: 45vh; overflow-y: auto; background: rgba(255,255,255,0.95); border-radius: 0 12px 0 0; padding: 12px 18px; box-shadow: 2px 0 6px #8883; font-size: 0.95em; z-index: 1050; display: block; }
#destination-list h3 { margin-top: 0; margin-bottom: 8px; font-weight: bold; color: #185a9d; }
#destinations li { color: #777; margin-bottom: 8px; transition: color 0.3s, background 0.3s; padding-left: 7px; list-style: none; border-left: 4px solid transparent; cursor: pointer; }
#destinations li.active { color: #185a9d; background: #dbeffe; font-weight: bold; border-left-color: #185a9d; }
#footer { position: fixed; bottom: 0; left: 0; width: 100%; background: #222a40; color: #ccc; font-size: 0.88em; padding: 8px 10px; text-align: center; user-select: none; z-index: 1200; font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; }
#errorMsg { color: #b7102b; margin-left: 12px; font-size: 0.97em; display: none; font-weight: bold; }
@media (max-width: 700px) { #controls, #csvHelp { max-width: 98vw; width: 98vw; } #destination-list { width: 90vw; font-size: 1em; } }