refactor: remove emojis from titles and buttons for a cleaner UI

views/orbits_animation.py

@@ -66,7 +66,7 @@ _ORBITS_HTML = """
 <canvas id="c"></canvas>
 
 <div id="info">
-  <h3>🛰️ Orbit Comparison</h3>
+  <h3>Orbit Comparison</h3>
   <div id="infoContent">
     <p style="color:#94a3b8; text-align:center;">
       Hover over a satellite to see its details.
@@ -226,8 +226,8 @@ function showInfo(o) {
     <div class="stat"><span class="label">FSPL</span><span class="value">${o.fsplDb}</span></div>
     <div class="stat"><span class="label">Coverage</span><span class="value">${o.coverage}</span></div>
     <hr>
-    <div class="stat"><span class="label">✅ Pros</span><span class="value" style="text-align:right; max-width:160px">${o.pros}</span></div>
-    <div class="stat"><span class="label">⚠️ Cons</span><span class="value" style="text-align:right; max-width:160px">${o.cons}</span></div>
+    <div class="stat"><span class="label">Pros</span><span class="value" style="text-align:right; max-width:160px">${o.pros}</span></div>
+    <div class="stat"><span class="label">Cons</span><span class="value" style="text-align:right; max-width:160px">${o.cons}</span></div>
     <hr>
     <div class="stat"><span class="label">Examples</span><span class="value" style="color:#4FC3F7">${o.examples}</span></div>
   `;
@@ -489,7 +489,7 @@ draw();
 
 def render():
     """Render the GEO/MEO/LEO orbit comparison animation."""
-    st.markdown("## 🌍 Satellite Orbits — GEO vs MEO vs LEO")
+    st.markdown("## Satellite Orbits — GEO vs MEO vs LEO")
     st.markdown(
         "Compare the three main satellite orbit types. "
         "Hover over satellites or legend items to explore their characteristics."
@@ -500,50 +500,50 @@ def render():
 
     # ── Educational content below ──
     st.divider()
-    st.markdown("### 📊 Orbit Comparison at a Glance")
+    st.markdown("### Orbit Comparison at a Glance")
 
     col1, col2, col3 = st.columns(3)
 
     with col1:
         st.markdown("""
-#### 🟢 LEO — Low Earth Orbit
+#### LEO — Low Earth Orbit
 **160 – 2 000 km**
 
-- ⚡ Latency: **4 – 20 ms** (RTT)
-- 📉 FSPL: ~155 dB (Ku-band)
-- 🔄 Period: ~90 – 120 min
-- 📡 Small footprint → **large constellations** needed (hundreds to thousands)
-- 🤝 Requires **handover** between satellites
-- 🛰️ *Starlink (550 km), OneWeb (1 200 km), Iridium (780 km)*
+- Latency: **4 – 20 ms** (RTT)
+- FSPL: ~155 dB (Ku-band)
+- Period: ~90 – 120 min
+- Small footprint → **large constellations** needed (hundreds to thousands)
+- Requires **handover** between satellites
+- *Starlink (550 km), OneWeb (1 200 km), Iridium (780 km)*
 """)
 
     with col2:
         st.markdown("""
-#### 🟡 MEO — Medium Earth Orbit
+#### MEO — Medium Earth Orbit
 **2 000 – 35 786 km**
 
-- ⚡ Latency: **40 – 80 ms** (RTT)
-- 📉 FSPL: ~186 dB (Ku-band)
-- 🔄 Period: ~2 – 12 h
-- 📡 Medium footprint → **medium constellations** (20 – 50 sats)
-- 🌍 Good balance between coverage and latency
-- 🛰️ *GPS (20 200 km), Galileo, O3b/SES (8 000 km)*
+- Latency: **40 – 80 ms** (RTT)
+- FSPL: ~186 dB (Ku-band)
+- Period: ~2 – 12 h
+- Medium footprint → **medium constellations** (20 – 50 sats)
+- Good balance between coverage and latency
+- *GPS (20 200 km), Galileo, O3b/SES (8 000 km)*
 """)
 
     with col3:
         st.markdown("""
-#### 🔴 GEO — Geostationary Orbit
+#### GEO — Geostationary Orbit
 **35 786 km (fixed)**
 
-- ⚡ Latency: **240 – 280 ms** (RTT)
-- 📉 FSPL: ~205 dB (Ku-band)
-- 🔄 Period: 23 h 56 min (= 1 sidereal day)
-- 📡 Huge footprint → **3 sats = global** coverage
-- 📌 **Fixed position** in the sky — no tracking needed
-- 🛰️ *Intelsat, SES, Eutelsat, ViaSat*
+- Latency: **240 – 280 ms** (RTT)
+- FSPL: ~205 dB (Ku-band)
+- Period: 23 h 56 min (= 1 sidereal day)
+- Huge footprint → **3 sats = global** coverage
+- **Fixed position** in the sky — no tracking needed
+- *Intelsat, SES, Eutelsat, ViaSat*
 """)
 
-    with st.expander("🔬 Key Trade-offs in Detail"):
+    with st.expander("Key Trade-offs in Detail"):
         st.markdown(r"""
 | Parameter | LEO | MEO | GEO |
 |:---|:---:|:---:|:---:|
@@ -569,7 +569,7 @@ for the same bandwidth and transmit power. LEO compensates with lower FSPL
 but requires more satellites and complex handover.
 """)
 
-    with st.expander("🛰️ Notable Constellations"):
+    with st.expander("Notable Constellations"):
         st.markdown("""
 | Constellation | Orbit | Altitude | # Satellites | Use Case |
 |:---|:---:|:---:|:---:|:---|