feat(ui): refine UI/UX, replace raw emojis with CSS vector drawings and clean HTML entities

frontend/app.js

@@ -401,10 +401,10 @@ async function fetchLiveWeather(loc) {
         
         if (weatherAlert) {
             if (precipToday > 30) {
-                weatherAlert.textContent = "HEAVY RAIN 🟡";
+                weatherAlert.textContent = "HEAVY RAIN";
                 weatherAlert.className = "highlight text-warning";
             } else if (precipToday > 50) {
-                weatherAlert.textContent = "FLOOD DANGER 🔴";
+                weatherAlert.textContent = "FLOOD RISK ALERT";
                 weatherAlert.className = "highlight text-red";
             } else {
                 weatherAlert.textContent = "Normal conditions";
@@ -524,7 +524,7 @@ function updateDashboardData(data, confScore, message) {
 
     const eventDay = results.find(r => r.event_info !== null);
     if (eventDay) {
-        if (eventDescText) eventDescText.innerHTML = `⚠️ <strong>${eventDay.event_info}</strong> on ${eventDay.date}. Heavy crowd expected near site.`;
+        if (eventDescText) eventDescText.innerHTML = `<strong>${eventDay.event_info}</strong> on ${eventDay.date}. Heavy crowd expected near site.`;
         const eBox = document.getElementById("event-box");
         if (eBox) eBox.style.borderColor = "var(--red)";
     } else {

frontend/index.html

@@ -166,11 +166,25 @@
                     </div>
                 </div>
 
-                <!-- Eco-Joy Interactive CSS Animation -->
+                <!-- Eco-Joy Interactive CSS Animation (Custom Shapes) -->
                 <div class="eco-animation-container">
                     <div class="monitoring-center">
-                        <div class="monitoring-person" title="Faril Putra Pratama (Monitoring)">🧑‍💻</div>
-                        <div class="monitoring-screen">📊 Aeterna AI: active</div>
+                        <div class="monitoring-avatar" title="Faril Putra Pratama (Monitoring)">
+                            <div class="avatar-head"></div>
+                            <div class="avatar-body"></div>
+                        </div>
+                        <div class="monitoring-screen-visual">
+                            <div class="screen-header">
+                                <span class="dot red-dot"></span>
+                                <span class="dot green-dot"></span>
+                            </div>
+                            <div class="screen-chart">
+                                <div class="chart-bar bar-1"></div>
+                                <div class="chart-bar bar-2"></div>
+                                <div class="chart-bar bar-3"></div>
+                            </div>
+                            <span class="screen-label">AETERNA AI</span>
+                        </div>
                         <div class="monitoring-waves">
                             <span class="wave"></span>
                             <span class="wave"></span>
@@ -178,8 +192,16 @@
                     </div>
                     
                     <div class="animation-road">
-                        <div class="eco-truck">🚛</div>
-                        <div class="trash-bin">🗑️</div>
+                        <div class="vector-truck">
+                            <div class="truck-cabin"></div>
+                            <div class="truck-box"></div>
+                            <div class="truck-wheel wheel-1"></div>
+                            <div class="truck-wheel wheel-2"></div>
+                        </div>
+                        <div class="vector-bin">
+                            <div class="bin-lid"></div>
+                            <div class="bin-body"></div>
+                        </div>
                     </div>
                 </div>
             </div>
@@ -221,23 +243,23 @@
                 </p>
                 <div class="sources-grid" style="display:grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap:1.5rem;">
                     <div class="source-item panel" style="background:var(--soft-surface); border: 2px solid var(--border-color); padding: 1.2rem; border-radius: 12px;">
-                        <span style="font-size: 1.8rem; display:block; margin-bottom: 8px;">🏛️</span>
-                        <h4 style="color:var(--primary); margin-bottom:0.5rem; font-family:var(--font-display); font-weight: 800;">1. SIPSN & DLH DKI Jakarta</h4>
+                        <span class="source-num">01</span>
+                        <h4 style="color:var(--primary); margin-bottom:0.5rem; font-family:var(--font-display); font-weight: 800; margin-top: 10px;">SIPSN & DLH DKI Jakarta</h4>
                         <p style="font-size:0.85rem; color:var(--text-muted); line-height:1.5;">Data baseline disesuaikan dengan volume total **9.059 Ton/hari** dari Dinas Lingkungan Hidup DKI Jakarta tahun 2026.</p>
                     </div>
                     <div class="source-item panel" style="background:var(--soft-surface); border: 2px solid var(--border-color); padding: 1.2rem; border-radius: 12px;">
-                        <span style="font-size: 1.8rem; display:block; margin-bottom: 8px;">🌧️</span>
-                        <h4 style="color:var(--primary); margin-bottom:0.5rem; font-family:var(--font-display); font-weight: 800;">2. BMKG & Open-Meteo API</h4>
+                        <span class="source-num">02</span>
+                        <h4 style="color:var(--primary); margin-bottom:0.5rem; font-family:var(--font-display); font-weight: 800; margin-top: 10px;">BMKG & Open-Meteo API</h4>
                         <p style="font-size:0.85rem; color:var(--text-muted); line-height:1.5;">Data curah hujan ditarik live menggunakan koordinat geografis presisi masing-masing kecamatan (resolusi 11 km).</p>
                     </div>
                     <div class="source-item panel" style="background:var(--soft-surface); border: 2px solid var(--border-color); padding: 1.2rem; border-radius: 12px;">
-                        <span style="font-size: 1.8rem; display:block; margin-bottom: 8px;">👥</span>
-                        <h4 style="color:var(--primary); margin-bottom:0.5rem; font-family:var(--font-display); font-weight: 800;">3. Proyeksi BPS & MRT Jakarta</h4>
+                        <span class="source-num">03</span>
+                        <h4 style="color:var(--primary); margin-bottom:0.5rem; font-family:var(--font-display); font-weight: 800; margin-top: 10px;">Proyeksi BPS & MRT Jakarta</h4>
                         <p style="font-size:0.85rem; color:var(--text-muted); line-height:1.5;">Simulasi volume mobilitas disesuaikan dengan populasi registrasi BPS dan ridership transit harian.</p>
                     </div>
                     <div class="source-item panel" style="background:var(--soft-surface); border: 2px solid var(--border-color); padding: 1.2rem; border-radius: 12px;">
-                        <span style="font-size: 1.8rem; display:block; margin-bottom: 8px;">🛣️</span>
-                        <h4 style="color:var(--primary); margin-bottom:0.5rem; font-family:var(--font-display); font-weight: 800;">4. Haversine & Winding Routing</h4>
+                        <span class="source-num">04</span>
+                        <h4 style="color:var(--primary); margin-bottom:0.5rem; font-family:var(--font-display); font-weight: 800; margin-top: 10px;">Haversine & Winding Routing</h4>
                         <p style="font-size:0.85rem; color:var(--text-muted); line-height:1.5;">Jarak logistik dihitung dari koordinat pusat kecamatan ke TPST Bantargebang dengan faktor winding jalan raya sebesar 1.35x.</p>
                     </div>
                 </div>
@@ -248,25 +270,25 @@
                 <h3 class="panel-subtitle" style="margin-bottom: 1.5rem;">ALIRAN PENGOLAHAN DATA (DATA PIPELINE FLOW)</h3>
                 <div class="pipeline-flow-container">
                     <div class="flow-step">
-                        <div class="flow-icon">📥 Ingest</div>
+                        <div class="flow-icon-text">Ingest</div>
                         <div class="flow-title">Data Ingestion</div>
                         <div class="flow-desc">Ditarik dari API Cuaca, BPS Jumlah Jiwa, & Kalender Acara Jakarta</div>
                     </div>
-                    <div class="flow-arrow">➡️</div>
+                    <div class="flow-arrow">&rarr;</div>
                     <div class="flow-step">
-                        <div class="flow-icon">⚙️ Process</div>
+                        <div class="flow-icon-text">Process</div>
                         <div class="flow-title">Feature Engineering</div>
                         <div class="flow-desc">Ekstraksi Lag Hujan, Is_Weekend, Is_Mudik, & Skala Crowd Event</div>
                     </div>
-                    <div class="flow-arrow">➡️</div>
+                    <div class="flow-arrow">&rarr;</div>
                     <div class="flow-step">
-                        <div class="flow-icon">🧠 Predict</div>
+                        <div class="flow-icon-text">Predict</div>
                         <div class="flow-title">Stacking Inference</div>
                         <div class="flow-desc">Evaluasi prediksi spasial ensembles harian 44 Kecamatan</div>
                     </div>
-                    <div class="flow-arrow">➡️</div>
+                    <div class="flow-arrow">&rarr;</div>
                     <div class="flow-step">
-                        <div class="flow-icon">🚛 Dispatch</div>
+                        <div class="flow-icon-text">Dispatch</div>
                         <div class="flow-title">Logistics Planning</div>
                         <div class="flow-desc">Hasil tonase & rekomendasi armada truk dikirim ke dashboard</div>
                     </div>
@@ -294,7 +316,7 @@
                             </div>
                         </div>
                         
-                        <div class="diagram-connector">⬇️</div>
+                        <div class="diagram-connector">&darr;</div>
                         
                         <div class="diagram-layer base-layer">
                             <span class="layer-title">Base Estimators (Ensemble)</span>
@@ -314,7 +336,7 @@
                             </div>
                         </div>
                         
-                        <div class="diagram-connector">⬇️</div>
+                        <div class="diagram-connector">&darr;</div>
                         
                         <div class="diagram-layer meta-layer">
                             <span class="layer-title">Meta-Estimator</span>

frontend/style.css

@@ -1429,26 +1429,93 @@ footer {
     position: relative;
 }
 
-.monitoring-person {
-    font-size: 2rem;
+.monitoring-avatar {
+    width: 32px;
+    height: 32px;
+    position: relative;
     animation: person-nod 1.5s ease-in-out infinite alternate;
 }
 
-.monitoring-screen {
-    background: var(--primary);
-    color: #ffffff;
-    font-family: var(--font-mono);
-    font-size: 10px;
-    font-weight: bold;
-    padding: 4px 8px;
-    border-radius: 6px;
+.avatar-head {
+    width: 14px;
+    height: 14px;
+    background: #006b5f;
+    border-radius: 50%;
+    margin: 0 auto;
+    border: 2px solid #ffffff;
+}
+
+.avatar-body {
+    width: 24px;
+    height: 14px;
+    background: #735c00;
+    border-radius: 12px 12px 0 0;
+    margin: 2px auto 0 auto;
+    border: 2px solid #ffffff;
+}
+
+.monitoring-screen-visual {
+    background: #ffffff;
+    width: 120px;
+    height: 56px;
     border: 2px solid var(--border-color);
+    border-radius: 8px;
+    padding: 4px;
+    display: flex;
+    flex-direction: column;
+    justify-content: space-between;
     animation: screen-glow 2s infinite alternate;
+    position: relative;
+}
+
+.screen-header {
+    display: flex;
+    gap: 4px;
+}
+
+.screen-header .dot {
+    width: 4px;
+    height: 4px;
+    border-radius: 50%;
+}
+
+.red-dot { background-color: var(--red); }
+.green-dot { background-color: var(--green); }
+
+.screen-chart {
+    display: flex;
+    align-items: flex-end;
+    gap: 4px;
+    height: 24px;
+    margin-top: 2px;
+}
+
+.chart-bar {
+    width: 8px;
+    border-radius: 2px;
+    background-color: var(--primary);
+}
+
+.bar-1 { height: 12px; animation: bar-rise-1 1.2s infinite alternate; }
+.bar-2 { height: 20px; animation: bar-rise-2 1.2s infinite alternate 0.3s; }
+.bar-3 { height: 16px; animation: bar-rise-3 1.2s infinite alternate 0.6s; }
+
+@keyframes bar-rise-1 { from { height: 6px; } to { height: 16px; } }
+@keyframes bar-rise-2 { from { height: 10px; } to { height: 24px; } }
+@keyframes bar-rise-3 { from { height: 8px; } to { height: 20px; } }
+
+.screen-label {
+    font-family: var(--font-mono);
+    font-size: 7px;
+    font-weight: bold;
+    color: var(--text-muted);
+    text-align: center;
+    display: block;
 }
 
 .monitoring-waves {
     position: absolute;
-    left: 80px;
+    left: 170px;
     top: 50%;
     transform: translateY(-50%);
     display: flex;
@@ -1470,31 +1537,126 @@ footer {
 
 .animation-road {
     width: 100%;
-    height: 36px;
+    height: 40px;
     background: #e8efec;
-    border-radius: 18px;
+    border-radius: 20px;
     position: relative;
-    border-bottom: 3px solid var(--border-color);
-    overflow: hidden;
+    border-bottom: 4px solid var(--border-color);
 }
 
-.eco-truck {
-    font-size: 1.6rem;
+/* Vector Truck Styling */
+.vector-truck {
+    width: 48px;
+    height: 24px;
     position: absolute;
-    bottom: 2px;
+    bottom: 8px;
     left: -10%;
     animation: drive-truck 8s linear infinite;
-    transform: scaleX(-1);
     z-index: 2;
 }
 
-.trash-bin {
-    font-size: 1.4rem;
+.truck-cabin {
     position: absolute;
+    width: 14px;
+    height: 16px;
+    background-color: var(--secondary-container);
+    border: 2px solid #ffffff;
+    border-radius: 4px 6px 2px 2px;
+    right: 0;
+    bottom: 4px;
+}
+
+.truck-box {
+    position: absolute;
+    width: 32px;
+    height: 20px;
+    background-color: var(--primary);
+    border: 2px solid #ffffff;
+    border-radius: 4px;
+    left: 0;
     bottom: 4px;
+}
+
+.truck-wheel {
+    position: absolute;
+    width: 8px;
+    height: 8px;
+    background-color: #161d1b;
+    border: 1.5px solid #ffffff;
+    border-radius: 50%;
+    bottom: 0;
+}
+
+.wheel-1 { left: 6px; }
+.wheel-2 { right: 8px; }
+
+/* Vector Trash Bin Styling */
+.vector-bin {
+    width: 22px;
+    height: 28px;
+    position: absolute;
+    bottom: 8px;
     right: 15%;
     animation: bin-wiggle 4s ease-in-out infinite;
     z-index: 1;
+    display: flex;
+    flex-direction: column;
+}
+
+.bin-lid {
+    width: 26px;
+    height: 5px;
+    background-color: #6b7a76;
+    border: 1.5px solid #ffffff;
+    border-radius: 3px;
+    margin-left: -2px;
+}
+
+.bin-body {
+    flex: 1;
+    background-color: #bacac5;
+    border: 2.5px solid #ffffff;
+    border-radius: 0 0 6px 6px;
+    position: relative;
+}
+
+.bin-body::before {
+    content: '';
+    position: absolute;
+    left: 4px;
+    top: 2px;
+    bottom: 2px;
+    right: 4px;
+    background-image: repeating-linear-gradient(90deg, #ffffff, #ffffff 1px, transparent 1px, transparent 4px);
+}
+
+/* Source number tag */
+.source-num {
+    display: inline-flex;
+    align-items: center;
+    justify-content: center;
+    width: 32px;
+    height: 32px;
+    background-color: var(--primary);
+    color: #ffffff;
+    font-family: var(--font-display);
+    font-size: 0.95rem;
+    font-weight: 800;
+    border-radius: 50%;
+    box-shadow: 0 4px 8px rgba(0, 107, 95, 0.15);
+}
+
+.flow-icon-text {
+    font-family: var(--font-display);
+    font-size: 0.75rem;
+    font-weight: 800;
+    color: var(--primary);
+    background-color: var(--surface-container-low);
+    border: 2px solid var(--border-color);
+    padding: 2px 10px;
+    border-radius: 12px;
+    margin-bottom: 8px;
+    text-transform: uppercase;
 }
 
 @keyframes person-nod {