diff --git a/client/src/styles/mobile.css b/client/src/styles/mobile.css
new file mode 100644
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+++ b/client/src/styles/mobile.css
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+/* Mobile-Responsive Utilities for CPAS Tracker */
+/* Target: Standard phones 375px+ with graceful degradation */
+
+/* Base responsive utilities */
+@media (max-width: 768px) {
+  /* Hide scrollbars but keep functionality */
+  * {
+    -webkit-overflow-scrolling: touch;
+  }
+
+  /* Touch-friendly tap targets (min 44px) */
+  button, a, input, select {
+    min-height: 44px;
+  }
+
+  /* Improve form input sizing on mobile */
+  input, select, textarea {
+    font-size: 16px !important; /* Prevents iOS zoom on focus */
+  }
+}
+
+/* Tablet and below */
+@media (max-width: 1024px) {
+  .hide-tablet {
+    display: none !important;
+  }
+}
+
+/* Mobile portrait and landscape */
+@media (max-width: 768px) {
+  .hide-mobile {
+    display: none !important;
+  }
+
+  .mobile-full-width {
+    width: 100% !important;
+  }
+
+  .mobile-text-center {
+    text-align: center !important;
+  }
+
+  .mobile-no-padding {
+    padding: 0 !important;
+  }
+
+  .mobile-small-padding {
+    padding: 12px !important;
+  }
+
+  /* Stack flex containers vertically */
+  .mobile-stack {
+    flex-direction: column !important;
+  }
+
+  /* Allow horizontal scroll for tables */
+  .mobile-scroll-x {
+    overflow-x: auto !important;
+    -webkit-overflow-scrolling: touch;
+  }
+
+  /* Card-based layout helpers */
+  .mobile-card {
+    display: block !important;
+    padding: 16px;
+    margin-bottom: 12px;
+    border-radius: 8px;
+    background: #181924;
+    border: 1px solid #2a2b3a;
+  }
+
+  .mobile-card-row {
+    display: flex;
+    justify-content: space-between;
+    padding: 8px 0;
+    border-bottom: 1px solid #1c1d29;
+  }
+
+  .mobile-card-row:last-child {
+    border-bottom: none;
+  }
+
+  .mobile-card-label {
+    font-weight: 600;
+    color: #9ca0b8;
+    font-size: 12px;
+    text-transform: uppercase;
+    letter-spacing: 0.5px;
+  }
+
+  .mobile-card-value {
+    font-weight: 600;
+    color: #f8f9fa;
+    text-align: right;
+  }
+}
+
+/* Small mobile phones */
+@media (max-width: 480px) {
+  .hide-small-mobile {
+    display: none !important;
+  }
+}
+
+/* Utility for sticky positioning on mobile */
+@media (max-width: 768px) {
+  .mobile-sticky-top {
+    position: sticky;
+    top: 0;
+    z-index: 100;
+    background: #000000;
+  }
+}