diff --git a/app/styles.css b/app/styles.css
index 8bd8a9e..8175939 100644
--- a/app/styles.css
+++ b/app/styles.css
@@ -1135,6 +1135,7 @@
       --frame-base-gap: clamp(2px, 0.3vw, 6px);
       --frame-gap: calc(var(--frame-base-gap) * var(--frame-grid-zoom-scale));
       display: grid;
+      grid-template-columns: minmax(0, 1fr);
       gap: 14px;
       padding: 18px;
       border: 1px solid #27272a;
@@ -1152,7 +1153,8 @@
       align-items: flex-start;
       justify-content: space-between;
       gap: 12px;
-      min-width: max-content;
+      min-width: 0;
+      flex-wrap: wrap;
     }
 
     .tarot-frame-panel-title {
@@ -1183,8 +1185,10 @@
     }
 
     .tarot-frame-grid-viewport {
-      width: 100%;
-      max-width: 100%;
+      width: min(100%, calc(100vw - 52px));
+      max-width: calc(100vw - 52px);
+      margin-left: auto;
+      margin-right: auto;
       overflow: auto;
       overscroll-behavior: contain;
       min-width: 0;
@@ -1481,7 +1485,8 @@
       }
 
       .tarot-frame-panel {
-        --frame-base-cell-width: 26px;
+        --frame-base-gap: 2px;
+        --frame-base-cell-width: min(26px, calc((100vw - 78px) / 14));
       }
 
       .tarot-frame-card-badge {
diff --git a/app/ui-tarot-frame.js b/app/ui-tarot-frame.js
index e4ee209..65df5f2 100644
--- a/app/ui-tarot-frame.js
+++ b/app/ui-tarot-frame.js
@@ -991,7 +991,46 @@
     return getCardOverlayDate(card) || formatMonthDay(getRelation(card, "decan")?.data?.dateStart) || getDisplayCardName(card);
   }
 
-  function centerGridViewport() {
+  function getOccupiedGridBounds(gridTrackEl) {
+    if (!(gridTrackEl instanceof HTMLElement)) {
+      return null;
+    }
+
+    const filledSlots = Array.from(gridTrackEl.querySelectorAll(".tarot-frame-slot:not(.is-empty-slot)"));
+    if (!filledSlots.length) {
+      return null;
+    }
+
+    const trackRect = gridTrackEl.getBoundingClientRect();
+    return filledSlots.reduce((bounds, slotEl) => {
+      if (!(slotEl instanceof HTMLElement)) {
+        return bounds;
+      }
+
+      const slotRect = slotEl.getBoundingClientRect();
+      const left = slotRect.left - trackRect.left;
+      const right = slotRect.right - trackRect.left;
+      if (!bounds) {
+        return { left, right };
+      }
+
+      return {
+        left: Math.min(bounds.left, left),
+        right: Math.max(bounds.right, right)
+      };
+    }, null);
+  }
+
+  function resetFrameSectionScroll() {
+    const sectionEl = document.getElementById("tarot-frame-section");
+    if (!(sectionEl instanceof HTMLElement)) {
+      return;
+    }
+
+    sectionEl.scrollTop = 0;
+  }
+
+  function centerGridViewport(attempt = 0) {
     const { tarotFrameBoardEl } = getElements();
     const gridViewportEl = tarotFrameBoardEl?.querySelector(".tarot-frame-grid-viewport");
     const gridTrackEl = tarotFrameBoardEl?.querySelector(".tarot-frame-grid-track");
@@ -1004,16 +1043,44 @@
         return;
       }
 
-      const overflowX = Math.max(0, gridTrackEl.offsetWidth - gridViewportEl.clientWidth);
-      gridViewportEl.scrollLeft = overflowX > 0 ? overflowX / 2 : 0;
+      const contentWidth = gridTrackEl.scrollWidth || gridTrackEl.offsetWidth;
+      const viewportWidth = gridViewportEl.clientWidth;
+      if (!contentWidth || !viewportWidth) {
+        if (attempt < 6) {
+          centerGridViewport(attempt + 1);
+        }
+        return;
+      }
+
+      const occupiedBounds = getOccupiedGridBounds(gridTrackEl);
+      const targetCenter = occupiedBounds
+        ? (occupiedBounds.left + occupiedBounds.right) / 2
+        : contentWidth / 2;
+      const maxScrollLeft = Math.max(0, contentWidth - viewportWidth);
+      const targetScrollLeft = Math.min(Math.max(targetCenter - (viewportWidth / 2), 0), maxScrollLeft);
+      gridViewportEl.scrollLeft = targetScrollLeft;
 
       requestAnimationFrame(() => {
         if (!(gridViewportEl instanceof HTMLElement) || !(gridTrackEl instanceof HTMLElement)) {
           return;
         }
 
-        const nextOverflowX = Math.max(0, gridTrackEl.offsetWidth - gridViewportEl.clientWidth);
-        gridViewportEl.scrollLeft = nextOverflowX > 0 ? nextOverflowX / 2 : 0;
+        const nextContentWidth = gridTrackEl.scrollWidth || gridTrackEl.offsetWidth;
+        const nextViewportWidth = gridViewportEl.clientWidth;
+        if (!nextContentWidth || !nextViewportWidth) {
+          if (attempt < 6) {
+            centerGridViewport(attempt + 1);
+          }
+          return;
+        }
+
+        const nextOccupiedBounds = getOccupiedGridBounds(gridTrackEl);
+        const nextTargetCenter = nextOccupiedBounds
+          ? (nextOccupiedBounds.left + nextOccupiedBounds.right) / 2
+          : nextContentWidth / 2;
+        const nextMaxScrollLeft = Math.max(0, nextContentWidth - nextViewportWidth);
+        const nextTargetScrollLeft = Math.min(Math.max(nextTargetCenter - (nextViewportWidth / 2), 0), nextMaxScrollLeft);
+        gridViewportEl.scrollLeft = nextTargetScrollLeft;
       });
     });
   }
@@ -2061,6 +2128,8 @@
       await config.ensureTarotSection(referenceData, magickDataset);
     }
 
+    resetFrameSectionScroll();
+
     const cards = getCards();
     if (!cards.length) {
       setStatus("Tarot cards are still loading...");
diff --git a/index.html b/index.html
index eea55be..4fa741f 100644
--- a/index.html
+++ b/index.html
@@ -16,7 +16,7 @@
   <link rel="stylesheet" href="node_modules/@fontsource/amiri/arabic-400.css">
   <link rel="stylesheet" href="node_modules/@fontsource/amiri/arabic-700.css">
   <link rel="stylesheet" href="node_modules/@fontsource/noto-naskh-arabic/arabic-400.css">
-  <link rel="stylesheet" href="app/styles.css?v=20260402-frame-center-05">
+  <link rel="stylesheet" href="app/styles.css?v=20260402-frame-center-07">
 </head>
 <body>
   <div class="topbar">
@@ -1178,7 +1178,7 @@
   <script src="app/ui-numbers-detail.js"></script>
   <script src="app/ui-numbers.js"></script>
   <script src="app/ui-tarot-spread.js"></script>
-  <script src="app/ui-tarot-frame.js?v=20260402-frame-center-05"></script>
+  <script src="app/ui-tarot-frame.js?v=20260402-frame-mobile-center-06"></script>
   <script src="app/ui-settings.js?v=20260309-gate"></script>
   <script src="app/ui-chrome.js?v=20260328-topbar-settings-01"></script>
   <script src="app/ui-navigation.js?v=20260401-tarot-frame-01"></script>