Fixes and enhancements, from issue list

less/free-roll.less

@@ -0,0 +1,77 @@
+// ============================================================
+// FREE ROLL BAR — injected below the chat log
+// ============================================================
+
+.oh-free-roll-bar {
+  display: flex;
+  flex-direction: row;
+  align-items: center;
+  gap: 6px;
+  padding: 4px 6px;
+  border-top: 1px solid fade(@color-olive, 40%);
+  background: fade(@color-olive, 8%);
+  flex-shrink: 0;
+  flex-wrap: wrap;
+  z-index: 1;
+  position: relative;
+
+  .oh-frb-label {
+    font-family: @font-secondary;
+    font-size: @font-size-xs;
+    font-weight: bold;
+    color: @color-dark;
+    white-space: nowrap;
+    display: flex;
+    align-items: center;
+    gap: 4px;
+  }
+
+  .oh-frb-controls {
+    display: flex;
+    flex-direction: row;
+    align-items: center;
+    gap: 4px;
+    flex-wrap: wrap;
+    flex: 1;
+
+    select {
+      font-size: @font-size-xs;
+      padding: 1px 2px;
+      height: 1.6rem;
+      border: 1px solid @color-olive;
+      border-radius: 3px;
+      background: #fff;
+      cursor: pointer;
+    }
+
+    .oh-frb-pool  { width: 3.8rem; }
+    .oh-frb-color { flex: 1; min-width: 6rem; }
+
+    .oh-frb-explode-label {
+      display: flex;
+      align-items: center;
+      gap: 3px;
+      font-size: @font-size-xs;
+      cursor: pointer;
+      white-space: nowrap;
+      color: @color-dark;
+
+      input[type="checkbox"] { cursor: pointer; }
+    }
+
+    .oh-frb-roll-btn {
+      font-family: @font-secondary;
+      font-size: @font-size-xs;
+      font-weight: bold;
+      padding: 2px 8px;
+      height: 1.6rem;
+      border: 1px solid @color-olive;
+      border-radius: 3px;
+      background: @color-olive-faint;
+      color: @color-dark;
+      cursor: pointer;
+      white-space: nowrap;
+      &:hover { background: @color-gold; border-color: darken(@color-gold, 10%); }
+    }
+  }
+}