diff --git a/common/components/filters.py b/common/components/filters.py
index 20e4bb3..aa2e5f6 100644
--- a/common/components/filters.py
+++ b/common/components/filters.py
@@ -272,7 +272,9 @@ def _filter_boolean_radio(name: str, label: str, value: bool | None) -> SafeText
                 attributes=[("class", "flex items-center gap-4 h-9")],
                 children=[
                     Radio(name=name, label="True", checked=value is True, value="true"),
-                    Radio(name=name, label="False", checked=value is False, value="false"),
+                    Radio(
+                        name=name, label="False", checked=value is False, value="false"
+                    ),
                 ],
             ),
         ],
@@ -419,7 +421,7 @@ def RangeSlider(
             # ── Slider row ──
             Div(
                 attributes=[
-                    ("class", "range-slider relative h-10 select-none mt-1"),
+                    ("class", "range-slider relative h-10 w-5/6 select-none mt-1"),
                     ("data-mode", initial_mode),
                     ("data-min", str(range_min)),
                     ("data-max", str(range_max)),
@@ -748,7 +750,9 @@ def FilterBar(
     purchase_type_choice = _filter_get_choice(existing, "purchase_type")
     purchase_ownership_choice = _filter_get_choice(existing, "purchase_ownership_type")
     playevent_note_value = existing.get("playevent_note", {}).get("value", "")
-    playevent_note_modifier = existing.get("playevent_note", {}).get("modifier", "EQUALS")
+    playevent_note_modifier = existing.get("playevent_note", {}).get(
+        "modifier", "EQUALS"
+    )
 
     year_min, year_max = _parse_range(existing, "year_released")
     original_year_min, original_year_max = _parse_range(
@@ -1199,9 +1203,13 @@ def PurchaseFilterBar(
     infinite_value = _parse_bool_nullable(existing, "infinite")
     needs_price_update_value = _parse_bool_nullable(existing, "needs_price_update")
     price_currency_value = existing.get("price_currency", {}).get("value", "")
-    price_currency_modifier = existing.get("price_currency", {}).get("modifier", "EQUALS")
+    price_currency_modifier = existing.get("price_currency", {}).get(
+        "modifier", "EQUALS"
+    )
     converted_currency_value = existing.get("converted_currency", {}).get("value", "")
-    converted_currency_modifier = existing.get("converted_currency", {}).get("modifier", "EQUALS")
+    converted_currency_modifier = existing.get("converted_currency", {}).get(
+        "modifier", "EQUALS"
+    )
     date_purchased_min, date_purchased_max = _parse_range(existing, "date_purchased")
     date_refunded_min, date_refunded_max = _parse_range(existing, "date_refunded")
 
@@ -1344,7 +1352,9 @@ def PurchaseFilterBar(
                         _filter_boolean_radio(
                             "filter-refunded", "Refunded", is_refunded_value
                         ),
-                        _filter_boolean_radio("filter-infinite", "Infinite", infinite_value),
+                        _filter_boolean_radio(
+                            "filter-infinite", "Infinite", infinite_value
+                        ),
                         _filter_boolean_radio(
                             "filter-needs-price-update",
                             "Needs Price Update",
@@ -1495,7 +1505,7 @@ def StringFilter(
             attributes=[
                 ("data-string-modifier-radio", ""),
                 ("onclick", "toggleStringFilterInput(this)"),
-            ]
+            ],
         )
         for mod_val, lbl in options
     ]
@@ -1517,10 +1527,15 @@ def StringFilter(
         input_attrs.append(("disabled", "true"))
 
     return Div(
-        attributes=[("class", "flex flex-col gap-2")],
+        attributes=[("class", "flex flex-col gap-2 @container")],
         children=[
             Div(
-                attributes=[("class", "grid grid-cols-2 sm:grid-cols-4 gap-2 py-1")],
+                attributes=[
+                    (
+                        "class",
+                        "grid grid-cols-2 @md:grid-cols-4 gap-2 py-1",
+                    )
+                ],
                 children=radio_buttons,
             ),
             Input(attributes=input_attrs),
diff --git a/common/components/primitives.py b/common/components/primitives.py
index 02ab6d9..8fb683e 100644
--- a/common/components/primitives.py
+++ b/common/components/primitives.py
@@ -459,7 +459,7 @@ def Radio(
 
     return Label(
         attributes=[
-            ("class", "flex items-center gap-1.5 text-sm text-heading cursor-pointer")
+            ("class", "flex items-center gap-1 text-sm text-heading cursor-pointer")
         ],
         children=[input_el, label],
     )
diff --git a/e2e/test_range_slider_e2e.py b/e2e/test_range_slider_e2e.py
new file mode 100644
index 0000000..3fd080d
--- /dev/null
+++ b/e2e/test_range_slider_e2e.py
@@ -0,0 +1,115 @@
+"""End-to-end Playwright test for the RangeSlider JS synchronization, cross-over, and clamping behavior.
+"""
+
+import json
+import urllib.parse
+
+import pytest
+from django.http import HttpResponse
+from django.test import override_settings
+from django.urls import path
+
+from common.components import FilterBar
+
+
+def _bar_page(filter_json: str = "") -> str:
+    return f"""<!DOCTYPE html>
+<html>
+<head>
+    <title>Range Slider E2E</title>
+    <script src="/static/js/range_slider.js" defer></script>
+    <script src="/static/js/search_select.js" defer></script>
+    <script src="/static/js/filter_bar.js" defer></script>
+</head>
+<body>
+    {FilterBar(filter_json=filter_json, preset_list_url="/p/l", preset_save_url="/p/s")}
+</body>
+</html>"""
+
+
+def empty_bar_view(request):
+    return HttpResponse(_bar_page())
+
+
+urlpatterns = [
+    path("test-range-slider/", empty_bar_view),
+]
+
+
+@pytest.mark.django_db
+@override_settings(ROOT_URLCONF="e2e.test_range_slider_e2e")
+def test_range_slider_crossover_min_higher_than_max(live_server, page):
+    page.goto(live_server.url + "/test-range-slider/")
+    
+    # 1. Start with known state: Min is empty, Max is empty
+    min_input = page.locator('input[name="filter-session-count-min"]')
+    max_input = page.locator('input[name="filter-session-count-max"]')
+    
+    # 2. Type "20" into max input
+    max_input.fill("20")
+    
+    # 3. Type "50" into min input (which is higher than 20)
+    min_input.fill("50")
+    
+    # 4. Max input should have automatically synchronized/snapped to 50
+    assert max_input.input_value() == "50"
+
+
+@pytest.mark.django_db
+@override_settings(ROOT_URLCONF="e2e.test_range_slider_e2e")
+def test_range_slider_crossover_max_less_than_min(live_server, page):
+    page.goto(live_server.url + "/test-range-slider/")
+    
+    min_input = page.locator('input[name="filter-session-count-min"]')
+    max_input = page.locator('input[name="filter-session-count-max"]')
+    
+    # 1. Type "50" into min input
+    min_input.fill("50")
+    
+    # 2. Type "30" into max input (which is less than 50)
+    max_input.fill("30")
+    
+    # 3. Min input should have automatically synchronized/snapped to 30
+    assert min_input.input_value() == "30"
+
+
+@pytest.mark.django_db
+@override_settings(ROOT_URLCONF="e2e.test_range_slider_e2e")
+def test_range_slider_strict_bounds_clamping_on_blur(live_server, page):
+    page.goto(live_server.url + "/test-range-slider/")
+    
+    min_input = page.locator('input[name="filter-session-count-min"]')
+    max_input = page.locator('input[name="filter-session-count-max"]')
+    
+    # 1. Type value higher than dataMax (100 is max, type "150")
+    max_input.fill("150")
+    max_input.blur() # triggers "change" event
+    
+    assert max_input.input_value() == "100"
+    
+    # 2. Type value lower than dataMin (0 is min, type "-20")
+    min_input.fill("-20")
+    min_input.blur() # triggers "change" event
+    
+    assert min_input.input_value() == "0"
+
+
+@pytest.mark.django_db
+@override_settings(ROOT_URLCONF="e2e.test_range_slider_e2e")
+def test_range_slider_empty_max_thumb_does_not_jump_to_beginning(live_server, page):
+    page.goto(live_server.url + "/test-range-slider/")
+    
+    # Locate handles
+    max_handle = page.locator('.range-handle-max[data-target="filter-session-count-max"]')
+    
+    # Initially, max_input is empty, so handle should sit at 100% (far right)
+    style = max_handle.get_attribute("style")
+    assert "left:100%" in style or "left: 100%" in style
+    
+    # Set min to 50
+    min_input = page.locator('input[name="filter-session-count-min"]')
+    min_input.fill("50")
+    
+    # Max handle should STILL stay at 100% since max input is still empty (defaults to max_value)
+    style = max_handle.get_attribute("style")
+    assert "left:100%" in style or "left: 100%" in style
diff --git a/games/static/base.css b/games/static/base.css
index 4761651..fce8bdc 100644
--- a/games/static/base.css
+++ b/games/static/base.css
@@ -466,6 +466,9 @@
   }
 }
 @layer utilities {
+  .\@container {
+    container-type: inline-size;
+  }
   .pointer-events-auto {
     pointer-events: auto;
   }
@@ -1742,6 +1745,9 @@
   .grid-cols-1 {
     grid-template-columns: repeat(1, minmax(0, 1fr));
   }
+  .grid-cols-2 {
+    grid-template-columns: repeat(2, minmax(0, 1fr));
+  }
   .grid-cols-4 {
     grid-template-columns: repeat(4, minmax(0, 1fr));
   }
@@ -2708,6 +2714,9 @@
   .opacity-0 {
     opacity: 0%;
   }
+  .opacity-50 {
+    opacity: 50%;
+  }
   .opacity-100 {
     opacity: 100%;
   }
@@ -2761,6 +2770,11 @@
     transition-timing-function: var(--tw-ease, var(--default-transition-timing-function));
     transition-duration: var(--tw-duration, var(--default-transition-duration));
   }
+  .transition-all {
+    transition-property: all;
+    transition-timing-function: var(--tw-ease, var(--default-transition-timing-function));
+    transition-duration: var(--tw-duration, var(--default-transition-duration));
+  }
   .transition-opacity {
     transition-property: opacity;
     transition-timing-function: var(--tw-ease, var(--default-transition-timing-function));
@@ -3345,6 +3359,11 @@
       grid-template-columns: repeat(2, minmax(0, 1fr));
     }
   }
+  .sm\:grid-cols-4 {
+    @media (width >= 40rem) {
+      grid-template-columns: repeat(4, minmax(0, 1fr));
+    }
+  }
   .sm\:rounded-t-lg {
     @media (width >= 40rem) {
       border-top-left-radius: var(--radius-lg);
@@ -3510,6 +3529,21 @@
       max-width: var(--breakpoint-2xl);
     }
   }
+  .\@sm\:grid-cols-3 {
+    @container (width >= 24rem) {
+      grid-template-columns: repeat(3, minmax(0, 1fr));
+    }
+  }
+  .\@md\:grid-cols-4 {
+    @container (width >= 28rem) {
+      grid-template-columns: repeat(4, minmax(0, 1fr));
+    }
+  }
+  .\@lg\:grid-cols-6 {
+    @container (width >= 32rem) {
+      grid-template-columns: repeat(6, minmax(0, 1fr));
+    }
+  }
   .rtl\:rotate-180 {
     &:where(:dir(rtl), [dir="rtl"], [dir="rtl"] *) {
       rotate: 180deg;
diff --git a/games/static/js/range_slider.js b/games/static/js/range_slider.js
index a44bbff..607444e 100644
--- a/games/static/js/range_slider.js
+++ b/games/static/js/range_slider.js
@@ -46,8 +46,10 @@
         return Math.max(lo, Math.min(hi, value));
       }
 
-      function getTargetValue(target) {
-        return parseInt(target ? target.value : 0, 10) || dataMin;
+      function getTargetValue(target, defaultVal) {
+        if (!target || target.value === "") return defaultVal;
+        var parsed = parseInt(target.value, 10);
+        return isNaN(parsed) ? defaultVal : parsed;
       }
       function setTargetValue(target, value) {
         if (target) target.value = value;
@@ -57,22 +59,30 @@
 
       function updateTrackFill() {
         if (!trackFill) return;
-        var minValue = getTargetValue(minTarget);
-        var maxValue = getTargetValue(maxTarget);
+        var minVal = clamp(getTargetValue(minTarget, dataMin), dataMin, dataMax);
+        var maxVal = clamp(getTargetValue(maxTarget, dataMax), dataMin, dataMax);
         if (mode === "point") {
           trackFill.style.left = "0%";
-          trackFill.style.width = valueToPercent(maxValue) + "%";
+          trackFill.style.width = valueToPercent(maxVal) + "%";
         } else {
-          var leftPct = valueToPercent(minValue);
-          var widthPct = valueToPercent(maxValue) - leftPct;
+          var leftPct = valueToPercent(minVal);
+          var rightPct = valueToPercent(maxVal);
+          if (leftPct > rightPct) {
+            var tmp = leftPct;
+            leftPct = rightPct;
+            rightPct = tmp;
+          }
+          var widthPct = rightPct - leftPct;
           trackFill.style.left = leftPct + "%";
           trackFill.style.width = widthPct + "%";
         }
       }
 
       function updateHandles() {
-        minHandle.style.left = valueToPercent(getTargetValue(minTarget)) + "%";
-        maxHandle.style.left = valueToPercent(getTargetValue(maxTarget)) + "%";
+        var minVal = clamp(getTargetValue(minTarget, dataMin), dataMin, dataMax);
+        var maxVal = clamp(getTargetValue(maxTarget, dataMax), dataMin, dataMax);
+        minHandle.style.left = valueToPercent(minVal) + "%";
+        maxHandle.style.left = valueToPercent(maxVal) + "%";
         updateTrackFill();
       }
 
@@ -101,7 +111,7 @@
             } else if (isMin) {
               setTargetValue(
                 minTarget,
-                clamp(value, dataMin, getTargetValue(maxTarget))
+                clamp(value, dataMin, getTargetValue(maxTarget, dataMax))
               );
               if (minTarget)
                 minTarget.dispatchEvent(
@@ -110,7 +120,7 @@
             } else {
               setTargetValue(
                 maxTarget,
-                clamp(value, getTargetValue(minTarget), dataMax)
+                clamp(value, getTargetValue(minTarget, dataMin), dataMax)
               );
               if (maxTarget)
                 maxTarget.dispatchEvent(
@@ -135,19 +145,49 @@
 
       // ── Sync from number inputs back to handles ──
 
-      function syncFromInputs() {
+      function syncFromInputs(e) {
         if (mode === "point") {
-          var value =
-            getTargetValue(minTarget) || getTargetValue(maxTarget);
-          setTargetValue(minTarget, value);
-          setTargetValue(maxTarget, value);
+          var src = (e && e.target) || minTarget || maxTarget;
+          var val = src ? src.value : "";
+          setTargetValue(minTarget, val);
+          setTargetValue(maxTarget, val);
+        } else if (e && e.target) {
+          var minVal = getTargetValue(minTarget, dataMin);
+          var maxVal = getTargetValue(maxTarget, dataMax);
+          if (e.target === minTarget) {
+            if (minVal > maxVal) {
+              setTargetValue(maxTarget, minVal);
+            }
+          } else if (e.target === maxTarget) {
+            if (maxVal < minVal) {
+              setTargetValue(minTarget, maxVal);
+            }
+          }
         }
         updateHandles();
       }
-      if (minTarget)
+
+      function enforceStrictBounds(e) {
+        if (e && e.target) {
+          var val = parseInt(e.target.value, 10);
+          if (!isNaN(val)) {
+            var clamped = clamp(val, dataMin, dataMax);
+            if (clamped !== val) {
+              setTargetValue(e.target, clamped);
+              e.target.dispatchEvent(new Event("input", { bubbles: true }));
+            }
+          }
+        }
+      }
+
+      if (minTarget) {
         minTarget.addEventListener("input", syncFromInputs);
-      if (maxTarget)
+        minTarget.addEventListener("change", enforceStrictBounds);
+      }
+      if (maxTarget) {
         maxTarget.addEventListener("input", syncFromInputs);
+        maxTarget.addEventListener("change", enforceStrictBounds);
+      }
 
       // ── Mode toggle ──
 
@@ -172,7 +212,7 @@
           var dashSpan = block && block.querySelector(".range-dash");
           if (newMode === "point") {
             minHandle.style.display = "none";
-            setTargetValue(minTarget, getTargetValue(maxTarget));
+            setTargetValue(minTarget, maxTarget ? maxTarget.value : "");
             if (minTarget) minTarget.classList.add("hidden");
             if (dashSpan) dashSpan.classList.add("hidden");
           } else {
@@ -193,4 +233,4 @@
   document.addEventListener("DOMContentLoaded", initAll);
   document.addEventListener("htmx:afterSwap", initAll);
   window.initRangeSliders = initAll;
-})();
+})();
\ No newline at end of file