Remove moon zenith (display, SVG marker, calculation)

index.html

@@ -281,10 +281,7 @@
                 <polygon points="0,-5 5,0 0,5 -5,0"/>
             </g>
 
-            <!-- Moon zenith marker (diamond shape, small) -->
+            <!-- Moon zenith marker removed -->
-            <g id="moon-zenith-marker" fill="#b0a89a">
-                <polygon points="0,-5 5,0 0,5 -5,0"/>
-            </g>
 
             <!-- Sun position (rendered after arcs/arrows so it's visible) -->
             <circle id="rpg-sun-glow" cx="140" cy="140" r="14" fill="#e0914f" opacity="0.4"/>
@@ -335,12 +332,6 @@
             </div>
             <div class="info-content"><span class="info-label">Mond auf</span><span><span class="info-value" id="moonrise-value">--:--</span><span class="info-sub" id="moonrise-when"></span></span></div>
         </div>
-        <div class="info-row">
-            <div class="info-icon">
-                <svg viewBox="0 0 24 24" fill="#b0a89a"><circle cx="12" cy="12" r="4"/><line x1="12" y1="12" x2="12" y2="3" stroke="#b0a89a" stroke-width="2"/></svg>
-            </div>
-            <div class="info-content"><span class="info-label">Zenit Mond</span><span><span class="info-value" id="moon-zenith-value">--:--</span><span class="info-sub" id="moon-zenith-when"></span></span></div>
-        </div>
         <div class="info-row">
             <div class="info-icon">
                 <svg viewBox="0 0 24 24" fill="none" stroke="#b0a89a" stroke-width="2"><path d="M3 12 A9 9 0 0 1 21 22 Z"/></svg>
@@ -552,7 +543,6 @@ var effect = (VANTA.CLOUDS2 || VANTA.CLOUDS)({
         var moonRiseArrow = document.getElementById('moon-rise-arrow');
         var moonsetArrow = document.getElementById('moon-set-arrow');
         var sunZenithMarker = document.getElementById('sun-zenith-marker');
-        var moonZenithMarker = document.getElementById('moon-zenith-marker');
 
         var SUN_ORBIT_RADIUS = 65;
         var MOON_ORBIT_RADIUS = 88;
@@ -885,33 +875,12 @@ if (moonTimes.set) {
                 moonsetArrow.setAttribute('opacity', '0');
             }
 
-            // Moon zenith marker
-            if (window._moonZenithCache && window._moonZenithCache.zenith) {
-                var mzP = pointOnCircle(window._moonZenithCache.zenith, MOON_ORBIT_RADIUS);
-                moonZenithMarker.setAttribute('transform', 'translate(' + mzP.x + ', ' + mzP.y + ')');
-                moonZenithMarker.setAttribute('opacity', '1');
-            } else {
-                moonZenithMarker.setAttribute('opacity', '0');
-            }
-
             // Moon phase
             var moonIllum = SunCalc.getMoonIllumination(now);
             document.getElementById('moon-phase-text').textContent =
                 getMoonPhaseText(moonIllum.phase) + ' ' + Math.round(moonIllum.fraction * 100) + '%';
             renderMoonPhaseIcon(moonIllum.phase, moonIllum.fraction);
             renderRpgMoon(moonIllum.phase, moonIllum.fraction);
-
-            // Moon zenith - cache for 1 hour to save CPU
-            if (!window._moonZenithCache || Date.now() - window._moonZenithCache.time > 3600000) {
-                window._moonZenithCache = {
-                    time: Date.now(),
-                    zenith: findMoonZenith(now)
-                };
-            }
-            var moonZenith = window._moonZenithCache.zenith;
-            var moonZenithWhen = moonZenith && moonZenith > now ? formatDateLong(moonZenith) : '';
-            document.getElementById('moon-zenith-value').textContent = moonZenith ? formatTimeHM(moonZenith) : '--:--';
-            document.getElementById('moon-zenith-when').textContent = moonZenithWhen ? '· ' + moonZenithWhen : '';
         }
 
         var startTime = Date.now();
@@ -1034,25 +1003,6 @@ var weatherThemes = {
             return (now.getTime() - startOfDay.getTime()) / 86400000;
         }
 
-        function findMoonZenith(now) {
-            // Sample moon altitude every 15 minutes over next 36 hours
-            var maxAlt = -Math.PI;
-            var zenith = null;
-            for (var i = 0; i < 144; i++) {
-                var sample = new Date(now.getTime() + i * 15 * 60 * 1000);
-                var pos = SunCalc.getMoonPosition(sample, PASSAU_LAT, PASSAU_LON);
-                if (pos.altitude > maxAlt) {
-                    maxAlt = pos.altitude;
-                    zenith = sample;
-                }
-                // Stop early if we found a peak and started rising again
-                if (i > 4 && zenith && pos.altitude < maxAlt - 0.1) {
-                    break;
-                }
-            }
-            return zenith;
-        }
-
         function updateDebug(t, palette, vantaColors, themeName) {
             var now = new Date();
             var hh = now.getHours(), mm = now.getMinutes(), ss = now.getSeconds();
@@ -1294,12 +1244,6 @@ var weatherThemes = {
         animate();
         tick();
 
-        // Initial moon zenith calculation
-        window._moonZenithCache = {
-            time: Date.now(),
-            zenith: findMoonZenith(new Date())
-        };
-
         fetchWeather();
         setInterval(fetchWeather, 15 * 60 * 1000);
         tick();