diff --git a/dashboard.html b/dashboard.html
index c76a761..c00a852 100644
--- a/dashboard.html
+++ b/dashboard.html
@@ -185,51 +185,45 @@
     #clock-empty svg { opacity: 0.25; }
     #clock-empty p { font-size: 17px; text-align: center; line-height: 1.5; }
 
-    /* ─── CRYPTO PANEL ─── */
-    .crypto-body {
-      flex: 1;
-      padding: 0;
+    .icon-btn.slideshow-active { color: var(--accent2); background: rgba(48,209,88,0.15); }
+
+    /* ─── WIDGET PANELS (tabs 2-6): compact bar + full-height widget ─── */
+    .widget-bar {
       display: flex;
-      flex-direction: column;
-      overflow: hidden;
-      min-height: 0;
+      align-items: center;
+      justify-content: space-between;
+      padding: 6px 12px 6px 16px;
+      flex-shrink: 0;
+      border-bottom: 1px solid var(--divider);
+      background: rgba(0,0,0,0.9);
+      height: 38px;
     }
 
-    gecko-coin-list-widget {
-      display: block;
-      width: 100% !important;
-      height: 100% !important;
-      flex: 1;
-      min-height: 0;
+    .widget-bar-title {
+      font-size: 13px;
+      font-weight: 600;
+      letter-spacing: 0.02em;
+      color: var(--subtext);
+      text-transform: uppercase;
     }
 
-    /* ─── CHART & HEATMAP PANELS ─── */
-    .chart-body {
+    .widget-fill {
       flex: 1;
       display: flex;
       flex-direction: column;
-      padding: 0;
-      overflow: hidden;
       min-height: 0;
+      overflow: hidden;
     }
 
+    gecko-coin-list-widget,
     gecko-coin-price-chart-widget,
     gecko-coin-heatmap-widget {
       display: block;
       width: 100% !important;
-      height: 100% !important;
       flex: 1;
       min-height: 0;
     }
 
-    /* Force the inner iframe/shadow content to fill */
-    gecko-coin-price-chart-widget > *,
-    gecko-coin-heatmap-widget > *,
-    gecko-coin-list-widget > * {
-      width: 100% !important;
-      height: 100% !important;
-    }
-
     /* ─── PLACEHOLDER PANELS ─── */
     .placeholder-body {
       flex: 1;
@@ -357,6 +351,11 @@
   <header class="panel-header">
     <h1>World Clock</h1>
     <div class="header-actions">
+      <button class="icon-btn" id="slideshow-btn" title="Start slideshow (S)">
+        <svg id="slideshow-icon" width="16" height="16" viewBox="0 0 16 16" fill="none" stroke="currentColor" stroke-width="1.8" stroke-linecap="round" stroke-linejoin="round">
+          <polygon points="3,2 14,8 3,14"/>
+        </svg>
+      </button>
       <button class="icon-btn" id="fs-btn" title="Toggle fullscreen">
         <svg width="16" height="16" viewBox="0 0 16 16" fill="none" stroke="currentColor" stroke-width="1.8" stroke-linecap="round" stroke-linejoin="round">
           <path d="M1 6V1h5M10 1h5v5M15 10v5h-5M6 15H1v-5"/>
@@ -382,56 +381,55 @@
 
 <!-- ══════════════ PANEL 2: CRYPTO ══════════════ -->
 <div class="panel" id="panel-2">
-  <header class="panel-header">
-    <h1>Crypto</h1>
-    <div class="header-actions">
-      <button class="icon-btn fs-all" title="Toggle fullscreen">
-        <svg width="16" height="16" viewBox="0 0 16 16" fill="none" stroke="currentColor" stroke-width="1.8" stroke-linecap="round" stroke-linejoin="round">
-          <path d="M1 6V1h5M10 1h5v5M15 10v5h-5M6 15H1v-5"/>
-        </svg>
-      </button>
-    </div>
-  </header>
-  <div class="crypto-body">
-    <gecko-coin-list-widget
-      locale="en"
-      dark-mode="true"
-      outlined="true"
-      coin-ids="bitcoin,ethereum,tether,pax-gold,solana,binancecoin,ripple"
-      initial-currency="usd">
-    </gecko-coin-list-widget>
+  <div class="widget-bar">
+    <span class="widget-bar-title">Crypto</span>
+    <button class="icon-btn fs-all" title="Toggle fullscreen"><svg width="14" height="14" viewBox="0 0 16 16" fill="none" stroke="currentColor" stroke-width="1.8" stroke-linecap="round" stroke-linejoin="round"><path d="M1 6V1h5M10 1h5v5M15 10v5h-5M6 15H1v-5"/></svg></button>
+  </div>
+  <div class="widget-fill">
+    <gecko-coin-list-widget locale="en" dark-mode="true" outlined="true" coin-ids="bitcoin,ethereum,tether,pax-gold,solana,binancecoin,ripple" initial-currency="usd"></gecko-coin-list-widget>
   </div>
 </div>
 
-<!-- ══════════════ PANELS 3–10: PLACEHOLDERS ══════════════ -->
 <!-- ══════════════ PANEL 3: HEATMAP ══════════════ -->
 <div class="panel" id="panel-3">
-  <header class="panel-header"><h1>Heatmap</h1><div class="header-actions"><button class="icon-btn fs-all" title="Toggle fullscreen"><svg width="16" height="16" viewBox="0 0 16 16" fill="none" stroke="currentColor" stroke-width="1.8" stroke-linecap="round" stroke-linejoin="round"><path d="M1 6V1h5M10 1h5v5M15 10v5h-5M6 15H1v-5"/></svg></button></div></header>
-  <div class="chart-body">
+  <div class="widget-bar">
+    <span class="widget-bar-title">Heatmap</span>
+    <button class="icon-btn fs-all" title="Toggle fullscreen"><svg width="14" height="14" viewBox="0 0 16 16" fill="none" stroke="currentColor" stroke-width="1.8" stroke-linecap="round" stroke-linejoin="round"><path d="M1 6V1h5M10 1h5v5M15 10v5h-5M6 15H1v-5"/></svg></button>
+  </div>
+  <div class="widget-fill">
     <gecko-coin-heatmap-widget locale="en" dark-mode="true" outlined="true" top="10"></gecko-coin-heatmap-widget>
   </div>
 </div>
 
 <!-- ══════════════ PANEL 4: BTC CHART ══════════════ -->
 <div class="panel" id="panel-4">
-  <header class="panel-header"><h1>Bitcoin</h1><div class="header-actions"><button class="icon-btn fs-all" title="Toggle fullscreen"><svg width="16" height="16" viewBox="0 0 16 16" fill="none" stroke="currentColor" stroke-width="1.8" stroke-linecap="round" stroke-linejoin="round"><path d="M1 6V1h5M10 1h5v5M15 10v5h-5M6 15H1v-5"/></svg></button></div></header>
-  <div class="chart-body">
+  <div class="widget-bar">
+    <span class="widget-bar-title">Bitcoin</span>
+    <button class="icon-btn fs-all" title="Toggle fullscreen"><svg width="14" height="14" viewBox="0 0 16 16" fill="none" stroke="currentColor" stroke-width="1.8" stroke-linecap="round" stroke-linejoin="round"><path d="M1 6V1h5M10 1h5v5M15 10v5h-5M6 15H1v-5"/></svg></button>
+  </div>
+  <div class="widget-fill">
     <gecko-coin-price-chart-widget locale="en" dark-mode="true" outlined="true" initial-currency="usd"></gecko-coin-price-chart-widget>
   </div>
 </div>
 
 <!-- ══════════════ PANEL 5: ETH CHART ══════════════ -->
 <div class="panel" id="panel-5">
-  <header class="panel-header"><h1>Ethereum</h1><div class="header-actions"><button class="icon-btn fs-all" title="Toggle fullscreen"><svg width="16" height="16" viewBox="0 0 16 16" fill="none" stroke="currentColor" stroke-width="1.8" stroke-linecap="round" stroke-linejoin="round"><path d="M1 6V1h5M10 1h5v5M15 10v5h-5M6 15H1v-5"/></svg></button></div></header>
-  <div class="chart-body">
+  <div class="widget-bar">
+    <span class="widget-bar-title">Ethereum</span>
+    <button class="icon-btn fs-all" title="Toggle fullscreen"><svg width="14" height="14" viewBox="0 0 16 16" fill="none" stroke="currentColor" stroke-width="1.8" stroke-linecap="round" stroke-linejoin="round"><path d="M1 6V1h5M10 1h5v5M15 10v5h-5M6 15H1v-5"/></svg></button>
+  </div>
+  <div class="widget-fill">
     <gecko-coin-price-chart-widget locale="en" dark-mode="true" outlined="true" coin-id="ethereum" initial-currency="usd"></gecko-coin-price-chart-widget>
   </div>
 </div>
 
 <!-- ══════════════ PANEL 6: PAX GOLD CHART ══════════════ -->
 <div class="panel" id="panel-6">
-  <header class="panel-header"><h1>PAX Gold</h1><div class="header-actions"><button class="icon-btn fs-all" title="Toggle fullscreen"><svg width="16" height="16" viewBox="0 0 16 16" fill="none" stroke="currentColor" stroke-width="1.8" stroke-linecap="round" stroke-linejoin="round"><path d="M1 6V1h5M10 1h5v5M15 10v5h-5M6 15H1v-5"/></svg></button></div></header>
-  <div class="chart-body">
+  <div class="widget-bar">
+    <span class="widget-bar-title">PAX Gold</span>
+    <button class="icon-btn fs-all" title="Toggle fullscreen"><svg width="14" height="14" viewBox="0 0 16 16" fill="none" stroke="currentColor" stroke-width="1.8" stroke-linecap="round" stroke-linejoin="round"><path d="M1 6V1h5M10 1h5v5M15 10v5h-5M6 15H1v-5"/></svg></button>
+  </div>
+  <div class="widget-fill">
     <gecko-coin-price-chart-widget locale="en" dark-mode="true" outlined="true" coin-id="pax-gold" initial-currency="usd"></gecko-coin-price-chart-widget>
   </div>
 </div>
@@ -485,22 +483,30 @@
 <script>
 // ─── TAB SYSTEM ───────────────────────────────────────────
 let activeTab = 1;
+let slideshowTimer = null;
 
 const TAB_NAMES = {
   1:'World Clock', 2:'Crypto', 3:'Heatmap', 4:'Bitcoin', 5:'Ethereum', 6:'PAX Gold',
-  6:'Tab 6', 7:'Tab 7', 8:'Tab 8', 9:'Tab 9', 10:'Tab 10'
+  7:'Tab 7', 8:'Tab 8', 9:'Tab 9', 10:'Tab 10'
 };
 
-function switchTab(n) {
+function switchTab(n, fromSlideshow = false) {
   if (n < 1 || n > 10 || n === activeTab) return;
+  // Manual switch stops slideshow
+  if (!fromSlideshow && slideshowTimer) slideshowOff();
   document.getElementById(`panel-${activeTab}`)?.classList.remove('active');
   document.querySelector(`.tab-btn[data-tab="${activeTab}"]`)?.classList.remove('active');
   activeTab = n;
   document.getElementById(`panel-${n}`)?.classList.add('active');
   document.querySelector(`.tab-btn[data-tab="${n}"]`)?.classList.add('active');
   showToast(`<strong>${n === 10 ? '0' : n}</strong> &nbsp;·&nbsp; ${TAB_NAMES[n]}`);
-  // nudge widgets to re-measure after panel becomes visible
-  requestAnimationFrame(() => window.dispatchEvent(new Event('resize')));
+  // Force widgets to fill their container by setting explicit pixel height
+  requestAnimationFrame(() => {
+    sizeWidgets();
+    window.dispatchEvent(new Event('resize'));
+    // second pass after widget may have initialised
+    setTimeout(() => { sizeWidgets(); window.dispatchEvent(new Event('resize')); }, 300);
+  });
 }
 
 document.querySelectorAll('.tab-btn').forEach(btn =>
@@ -517,6 +523,7 @@ document.addEventListener('keydown', e => {
   if (e.key === '0') { switchTab(10); return; }
   if (e.key === 'f' || e.key === 'F') toggleFullscreen();
   if (e.key === 'r' || e.key === 'R') { showToast('↻ Refreshing…'); setTimeout(() => location.reload(), 400); }
+  if (e.key === 's' || e.key === 'S') toggleSlideshow();
 });
 
 // ─── TOAST ────────────────────────────────────────────────
@@ -785,8 +792,97 @@ document.getElementById('modal-overlay').addEventListener('click', e => {
 });
 document.getElementById('modal-search').addEventListener('input', e => renderTZList(e.target.value));
 
+// ─── WIDGET SIZING ────────────────────────────────────────
+function sizeWidgets() {
+  const tabBarH = document.getElementById('tab-bar').offsetHeight;
+  const viewH = window.innerHeight;
+
+  ['gecko-coin-list-widget', 'gecko-coin-price-chart-widget', 'gecko-coin-heatmap-widget'].forEach(sel => {
+    document.querySelectorAll(sel).forEach(el => {
+      const bar = el.closest('.panel')?.querySelector('.widget-bar');
+      const barH = bar ? bar.offsetHeight : 0;
+      const h = viewH - tabBarH - barH;
+      // Apply to the custom element itself
+      el.style.cssText += `height:${h}px !important; min-height:${h}px !important; max-height:${h}px !important;`;
+      el.setAttribute('height', h);
+      // Apply to any child iframe (gecko widgets render one)
+      const tryFrame = (root) => {
+        if (!root) return;
+        root.querySelectorAll('iframe').forEach(f => {
+          f.style.height = h + 'px';
+          f.style.minHeight = h + 'px';
+          f.height = h;
+        });
+      };
+      tryFrame(el);
+      tryFrame(el.shadowRoot);
+    });
+  });
+
+  // Also force widget-fill divs to exact remaining height
+  document.querySelectorAll('.widget-fill').forEach(fill => {
+    const bar = fill.closest('.panel')?.querySelector('.widget-bar');
+    const barH = bar ? bar.offsetHeight : 0;
+    const h = viewH - tabBarH - barH;
+    fill.style.height = h + 'px';
+    fill.style.minHeight = h + 'px';
+    fill.style.maxHeight = h + 'px';
+  });
+}
+
+window.addEventListener('resize', sizeWidgets);
+
+// Re-run sizeWidgets whenever any new iframe appears inside a gecko widget
+// (they load asynchronously after the custom element registers)
+const iframeObserver = new MutationObserver(() => sizeWidgets());
+document.querySelectorAll('gecko-coin-list-widget, gecko-coin-price-chart-widget, gecko-coin-heatmap-widget').forEach(el => {
+  iframeObserver.observe(el, { childList: true, subtree: true });
+});
+
+// ─── SLIDESHOW ────────────────────────────────────────────
+const SLIDESHOW_TABS = [1, 2, 3, 4, 5, 6]; // only populated tabs
+const SLIDESHOW_INTERVAL = 10000;
+const PLAY_ICON = `<polygon points="3,2 14,8 3,14"/>`;
+const PAUSE_ICON = `<rect x="3" y="2" width="4" height="12" rx="1"/><rect x="9" y="2" width="4" height="12" rx="1"/>`;
+
+function slideshowOn() {
+  const btn = document.getElementById('slideshow-btn');
+  btn.classList.add('slideshow-active');
+  btn.title = 'Stop slideshow (S)';
+  btn.querySelector('svg').innerHTML = PAUSE_ICON;
+  // advance immediately then every 10s
+  advanceSlideshow();
+  slideshowTimer = setInterval(advanceSlideshow, SLIDESHOW_INTERVAL);
+}
+
+function slideshowOff() {
+  clearInterval(slideshowTimer);
+  slideshowTimer = null;
+  const btn = document.getElementById('slideshow-btn');
+  btn.classList.remove('slideshow-active');
+  btn.title = 'Start slideshow (S)';
+  btn.querySelector('svg').innerHTML = PLAY_ICON;
+}
+
+function toggleSlideshow() {
+  slideshowTimer ? slideshowOff() : slideshowOn();
+}
+
+function advanceSlideshow() {
+  const idx = SLIDESHOW_TABS.indexOf(activeTab);
+  const next = SLIDESHOW_TABS[(idx + 1) % SLIDESHOW_TABS.length];
+  switchTab(next, true);
+}
+
+document.getElementById('slideshow-btn').addEventListener('click', toggleSlideshow);
+
 // ─── INIT ─────────────────────────────────────────────────
 renderClocks();
+sizeWidgets();
+setTimeout(sizeWidgets, 200);
+setTimeout(sizeWidgets, 600);
+setTimeout(sizeWidgets, 1500);
+setTimeout(sizeWidgets, 3000);
 </script>
 </body>
 </html>