Improve mobile responsiveness and accessibility

Enhanced CSS for better mobile experience: added media queries for various screen sizes, improved touch targets, font sizes, and QR code scaling. Updated index.html with mobile meta tags and icons. Added accessibility features for reduced motion.

QRPay/Pages/Home.razor.css

@@ -45,6 +45,7 @@
     -webkit-text-fill-color: transparent;
     background-clip: text;
     margin: 0 0 8px 0;
+    line-height: 1.2;
 }
 
 .qrpay-subtitle {
@@ -52,6 +53,7 @@
     font-size: 1.1rem;
     margin: 0;
     font-weight: 400;
+    line-height: 1.4;
 }
 
 /* Form Styles */
@@ -81,6 +83,8 @@
     font-size: 1rem;
     transition: all 0.3s ease;
     background: #ffffff;
+    width: 100%;
+    box-sizing: border-box;
 }
 
 .form-control:focus {
@@ -120,6 +124,8 @@
     justify-content: center;
     gap: 8px;
     box-shadow: 0 4px 12px rgba(45, 90, 39, 0.3);
+    width: 100%;
+    min-height: 56px;
 }
 
 .btn-generate:hover:not(:disabled) {
@@ -168,12 +174,14 @@
     font-weight: 700;
     color: #2d5a27;
     margin: 0 0 8px 0;
+    line-height: 1.2;
 }
 
 .qrcode-header p {
     color: #6b7280;
     font-size: 1.1rem;
     margin: 0;
+    line-height: 1.4;
 }
 
 .qrcode-display {
@@ -188,6 +196,9 @@
     width: 280px;
     height: 280px;
     border-radius: 8px;
+    max-width: 100%;
+    height: auto;
+    aspect-ratio: 1;
 }
 
 /* Payment Details */
@@ -213,6 +224,7 @@
 .detail-label {
     font-weight: 600;
     color: #374151;
+    white-space: nowrap;
 }
 
 .detail-value {
@@ -239,6 +251,7 @@
     justify-content: center;
     gap: 8px;
     width: 100%;
+    min-height: 56px;
 }
 
 .btn-back:hover {
@@ -280,39 +293,145 @@
     }
 }
 
-/* Responsive Design */
+/* Enhanced Responsive Design */
+
+/* Large tablets and small desktops */
+@media (max-width: 768px) {
+    .qrpay-container {
+        padding: 16px;
+        align-items: flex-start;
+        padding-top: 32px;
+    }
+    
+    .qrpay-card,
+    .qrcode-container {
+        padding: 32px;
+        border-radius: 20px;
+    }
+    
+    .qrpay-title {
+        font-size: 2.25rem;
+    }
+    
+    .qrcode-display img {
+        width: 260px;
+        height: 260px;
+    }
+    
+    .form-control {
+        font-size: 16px; /* Prevents zoom on iOS */
+    }
+}
+
+/* Portrait tablets and large phones */
 @media (max-width: 640px) {
+    .qrpay-container {
+        padding: 12px;
+        min-height: auto;
+        padding-top: 20px;
+        padding-bottom: 20px;
+    }
+    
     .qrpay-card,
     .qrcode-container {
         padding: 24px;
-        margin: 16px;
         border-radius: 16px;
+        margin: 0;
+    }
+    
+    .qrpay-header {
+        margin-bottom: 32px;
+    }
+    
+    .qrpay-logo img {
+        width: 70px;
+        height: 70px;
     }
     
     .qrpay-title {
         font-size: 2rem;
     }
     
+    .qrpay-subtitle {
+        font-size: 1rem;
+    }
+    
+    .qrcode-header h2 {
+        font-size: 1.75rem;
+    }
+    
+    .qrcode-header p {
+        font-size: 1rem;
+    }
+    
+    .qrcode-display {
+        padding: 20px;
+        margin-bottom: 24px;
+    }
+    
     .qrcode-display img {
         width: 240px;
         height: 240px;
     }
     
+    .payment-details {
+        padding: 20px;
+        margin-bottom: 24px;
+    }
+    
     .detail-row {
         flex-direction: column;
         align-items: flex-start;
         gap: 4px;
+        padding: 16px 0;
+    }
+    
+    .detail-label {
+        font-size: 0.9rem;
     }
     
     .detail-value {
         max-width: 100%;
         text-align: left;
+        font-size: 0.95rem;
+        font-weight: 600;
+    }
+    
+    .form-group {
+        gap: 6px;
+    }
+    
+    .form-label {
+        font-size: 0.9rem;
+    }
+    
+    .btn-generate,
+    .btn-back {
+        padding: 16px 24px;
+        font-size: 1rem;
     }
 }
 
+/* Mobile phones in portrait */
 @media (max-width: 480px) {
     .qrpay-container {
-        padding: 12px;
+        padding: 8px;
+        padding-top: 16px;
+        padding-bottom: 16px;
+    }
+    
+    .qrpay-card,
+    .qrcode-container {
+        padding: 20px;
+        border-radius: 12px;
+    }
+    
+    .qrpay-header {
+        margin-bottom: 24px;
+    }
+    
+    .qrpay-logo {
+        margin-bottom: 16px;
     }
     
     .qrpay-logo img {
@@ -324,8 +443,157 @@
         font-size: 1.75rem;
     }
     
+    .qrpay-subtitle {
+        font-size: 0.95rem;
+    }
+    
+    .qrcode-header {
+        margin-bottom: 24px;
+    }
+    
+    .qrcode-header h2 {
+        font-size: 1.5rem;
+    }
+    
+    .qrcode-header p {
+        font-size: 0.95rem;
+    }
+    
+    .qrcode-display {
+        padding: 16px;
+        margin-bottom: 20px;
+    }
+    
     .qrcode-display img {
         width: 200px;
         height: 200px;
     }
+    
+    .payment-details {
+        padding: 16px;
+        margin-bottom: 20px;
+    }
+    
+    .detail-row {
+        padding: 12px 0;
+    }
+    
+    .qrpay-form {
+        gap: 20px;
+    }
+    
+    .form-control {
+        padding: 14px 16px;
+        font-size: 16px;
+    }
+    
+    .btn-generate,
+    .btn-back {
+        padding: 14px 20px;
+        min-height: 52px;
+    }
+}
+
+/* Very small phones */
+@media (max-width: 360px) {
+    .qrpay-container {
+        padding: 4px;
+        padding-top: 12px;
+        padding-bottom: 12px;
+    }
+    
+    .qrpay-card,
+    .qrcode-container {
+        padding: 16px;
+    }
+    
+    .qrpay-title {
+        font-size: 1.5rem;
+    }
+    
+    .qrcode-display img {
+        width: 180px;
+        height: 180px;
+    }
+    
+    .form-control {
+        padding: 12px 14px;
+    }
+}
+
+/* Landscape orientation adjustments */
+@media (max-height: 600px) and (orientation: landscape) {
+    .qrpay-container {
+        align-items: flex-start;
+        padding-top: 16px;
+        padding-bottom: 16px;
+    }
+    
+    .qrpay-header {
+        margin-bottom: 20px;
+    }
+    
+    .qrpay-logo img {
+        width: 50px;
+        height: 50px;
+    }
+    
+    .qrpay-title {
+        font-size: 1.5rem;
+    }
+    
+    .qrcode-header {
+        margin-bottom: 20px;
+    }
+    
+    .qrcode-display {
+        margin-bottom: 20px;
+    }
+    
+    .qrcode-display img {
+        width: 160px;
+        height: 160px;
+    }
+    
+    .payment-details {
+        margin-bottom: 20px;
+    }
+}
+
+/* Touch improvements for mobile */
+@media (max-width: 768px) {
+    .btn-generate:hover,
+    .btn-back:hover {
+        transform: none; /* Disable hover transforms on mobile */
+    }
+    
+    .form-control:focus {
+        transform: none; /* Disable focus transforms on mobile for better UX */
+    }
+    
+    /* Larger touch targets */
+    .btn-generate,
+    .btn-back {
+        min-height: 48px; /* WCAG recommended minimum touch target */
+    }
+}
+
+/* Accessibility improvements */
+@media (prefers-reduced-motion: reduce) {
+    .qrpay-card,
+    .qrcode-container {
+        animation: none;
+    }
+    
+    .validation-message {
+        animation: none;
+    }
+    
+    .spinner {
+        animation: none;
+    }
+    
+    * {
+        transition: none !important;
+    }
 }

QRPay/wwwroot/css/app.css

@@ -6,12 +6,25 @@ html, body {
     box-sizing: border-box;
     background: linear-gradient(135deg, #2d5a27 0%, #4a7c59 100%);
     min-height: 100vh;
+    /* Improve mobile performance */
+    -webkit-font-smoothing: antialiased;
+    -moz-osx-font-smoothing: grayscale;
+    /* Prevent horizontal scrolling */
+    overflow-x: hidden;
+    /* Better text rendering on mobile */
+    text-size-adjust: 100%;
+    -webkit-text-size-adjust: 100%;
 }
 
 *, *::before, *::after {
     box-sizing: inherit;
 }
 
+/* Prevent zoom on input focus for iOS */
+input, select, textarea {
+    font-size: 16px;
+}
+
 h1:focus {
     outline: none;
 }
@@ -84,6 +97,11 @@ a:hover, .btn-link:hover {
     font-size: 1.2rem;
     opacity: 0.8;
     transition: opacity 0.2s;
+    min-width: 24px;
+    min-height: 24px;
+    display: flex;
+    align-items: center;
+    justify-content: center;
 }
 
 #blazor-error-ui .dismiss:hover {
@@ -91,7 +109,7 @@ a:hover, .btn-link:hover {
 }
 
 .blazor-error-boundary {
-    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, linear-gradient(135deg, #dc2626, #ef4444);
+    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, linear-gradient(135deg, #dc2626, #ef4444);
     padding: 1rem 1rem 1rem 3.7rem;
     color: white;
     border-radius: 12px;
@@ -175,4 +193,96 @@ code {
 
 ::-webkit-scrollbar-thumb:hover {
     background: rgba(255, 255, 255, 0.5);
+}
+
+/* Mobile-specific improvements */
+@media (max-width: 768px) {
+    /* Improve tap highlighting */
+    * {
+        -webkit-tap-highlight-color: rgba(74, 124, 89, 0.2);
+    }
+    
+    /* Better button touch targets */
+    button, .btn, input[type="button"], input[type="submit"] {
+        min-height: 44px;
+        min-width: 44px;
+    }
+    
+    /* Improve form control touch targets */
+    input, textarea, select {
+        min-height: 44px;
+    }
+    
+    /* Disable iOS zoom on inputs */
+    input, textarea, select {
+        font-size: 16px !important;
+    }
+    
+    /* Loading progress adjustments for mobile */
+    .loading-progress {
+        width: 6rem;
+        height: 6rem;
+        inset: 35vh 0 auto 0;
+    }
+    
+    .loading-progress-text {
+        inset: calc(35vh + 2.5rem) 0 auto 0.2rem;
+        font-size: 1rem;
+    }
+}
+
+/* Very small screens */
+@media (max-width: 480px) {
+    body {
+        font-size: 14px;
+    }
+    
+    .loading-progress {
+        width: 5rem;
+        height: 5rem;
+        inset: 30vh 0 auto 0;
+    }
+    
+    .loading-progress-text {
+        inset: calc(30vh + 2rem) 0 auto 0.2rem;
+        font-size: 0.9rem;
+    }
+    
+    #blazor-error-ui {
+        padding: 0.75rem 1rem;
+        font-size: 0.9rem;
+    }
+}
+
+/* Landscape mobile adjustments */
+@media (max-height: 600px) and (orientation: landscape) {
+    .loading-progress {
+        inset: 20vh 0 auto 0;
+    }
+    
+    .loading-progress-text {
+        inset: calc(20vh + 3.25rem) 0 auto 0.2rem;
+    }
+}
+
+/* High DPI screens */
+@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
+    /* Sharper rendering for high DPI */
+    body {
+        -webkit-font-smoothing: antialiased;
+        -moz-osx-font-smoothing: grayscale;
+    }
+}
+
+/* Accessibility improvements */
+@media (prefers-reduced-motion: reduce) {
+    * {
+        animation-duration: 0.01ms !important;
+        animation-iteration-count: 1 !important;
+        transition-duration: 0.01ms !important;
+    }
+    
+    .loading-progress circle {
+        transition: none !important;
+    }
 }

QRPay/wwwroot/index.html

@@ -3,13 +3,18 @@
 
 <head>
     <meta charset="utf-8" />
-    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=5.0, user-scalable=yes" />
+    <meta name="theme-color" content="#2d5a27" />
+    <meta name="apple-mobile-web-app-capable" content="yes" />
+    <meta name="apple-mobile-web-app-status-bar-style" content="black-translucent" />
+    <meta name="description" content="QRPay - Generate QR payment codes instantly for secure bank transfers" />
     <title>QRPay</title>
     <base href="/" />
     <link rel="preload" id="webassembly" />
     <link rel="stylesheet" href="lib/bootstrap/dist/css/bootstrap.min.css" />
     <link rel="stylesheet" href="css/app.css" />
     <link rel="icon" type="image/svg+xml" href="favicon.svg" />
+    <link rel="apple-touch-icon" href="logo.svg" />
     <link href="QRPay.styles.css" rel="stylesheet" />
     <script type="importmap"></script>
 </head>