Implement comprehensive card layout improvements and testing

- Added operator/owner priority card implementation to enhance visibility on smaller screens.
- Completed adaptive grid system to eliminate white space issues and improve responsiveness across all card layouts.
- Verified card layout fixes through extensive testing, confirming balanced layouts across various screen sizes and content scenarios.
- Conducted investigation into layout inconsistencies, identifying critical issues and recommending immediate fixes.
- Assessed white space issues and confirmed no critical problems in current implementations.
- Documented comprehensive testing plan and results, ensuring all layouts are functioning as intended.

static/css/src/input.css

@@ -262,6 +262,122 @@
         @apply grid grid-cols-1 gap-6 md:grid-cols-2 lg:grid-cols-3;
     }
 
+    /* Adaptive Grid System - White Space Solutions */
+    .grid-adaptive {
+        @apply grid gap-6;
+        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
+    }
+
+    .grid-adaptive-sm {
+        @apply grid gap-4;
+        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
+    }
+
+    .grid-adaptive-lg {
+        @apply grid gap-8;
+        grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
+    }
+
+    /* Stats Grid - Always Even Layout */
+    .grid-stats {
+        @apply grid gap-4;
+        /* Default: Force 2+3 layout for small screens */
+        grid-template-columns: repeat(2, 1fr);
+    }
+
+    .grid-stats-wide {
+        @apply grid gap-4;
+        grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
+    }
+
+    /* Enhanced Responsive Grid */
+    .grid-responsive {
+        @apply grid grid-cols-1 gap-6;
+        @apply sm:grid-cols-2;
+        @apply md:grid-cols-3;
+        @apply lg:grid-cols-4;
+        @apply xl:grid-cols-5;
+        @apply 2xl:grid-cols-6;
+    }
+
+    .grid-responsive-cards {
+        @apply grid grid-cols-1 gap-6;
+        @apply md:grid-cols-2;
+        @apply lg:grid-cols-3;
+        @apply xl:grid-cols-4;
+        @apply 2xl:grid-cols-5;
+    }
+
+    /* Tablet-specific optimizations for 768px breakpoint */
+    @media (min-width: 768px) and (max-width: 1023px) {
+        .grid-adaptive-sm {
+            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
+        }
+        /* Force 2+3 even layout for tablets */
+        .grid-stats {
+            grid-template-columns: repeat(2, 1fr);
+        }
+        .grid-adaptive {
+            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
+        }
+    }
+
+    /* Content-aware grid adjustments */
+    @media (min-width: 1024px) and (max-width: 1279px) {
+        .grid-adaptive {
+            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
+        }
+        .grid-adaptive-lg {
+            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
+        }
+        /* Force 3+2 even layout for intermediate sizes */
+        .grid-stats {
+            grid-template-columns: repeat(3, 1fr);
+        }
+    }
+
+    @media (min-width: 1280px) {
+        .grid-adaptive {
+            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
+        }
+        .grid-adaptive-lg {
+            grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
+        }
+        /* Force 5-column even layout for large screens */
+        .grid-stats {
+            grid-template-columns: repeat(5, 1fr);
+        }
+    }
+
+    /* Priority Card - Operator/Owner Full-Width Responsive Behavior */
+    .card-stats-priority {
+        /* Full width by default (small screens) */
+        grid-column: 1 / -1;
+    }
+
+    /* Medium screens - still full width for emphasis */
+    @media (min-width: 768px) and (max-width: 1023px) {
+        .card-stats-priority {
+            grid-column: 1 / -1;
+        }
+    }
+
+    /* Large screens - normal grid behavior */
+    @media (min-width: 1024px) {
+        .card-stats-priority {
+            grid-column: auto;
+        }
+    }
+
+    @media (min-width: 1536px) {
+        .grid-adaptive {
+            grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
+        }
+        .grid-adaptive-lg {
+            grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
+        }
+    }
+
     /* Typography */
     .heading-1 {
         @apply mb-6 text-3xl font-bold text-gray-900 dark:text-white;