453 lines
9.4 KiB
CSS
453 lines
9.4 KiB
CSS
/* Accessible CSS for MerchantsOfHope.org platform */
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/* High contrast and accessibility-focused styles */
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:root {
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--primary-color: #1a365d; /* Darker blue for better contrast */
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--secondary-color: #2a5cb0; /* Standard blue */
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--accent-color: #b42f2f; /* Red for important elements */
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--light-color: #ffffff; /* Pure white for contrast */
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--dark-color: #000000; /* Pure black for text */
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--success-color: #1f7a1f; /* Darker green */
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--warning-color: #cc6600; /* Darker orange */
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--font-size-base: 18px; /* Larger base font for better readability */
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--font-size-large: 1.375rem; /* 22px */
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--font-size-xlarge: 1.75rem; /* 28px */
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--line-height: 1.6; /* Increased for readability */
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--border-radius: 0px; /* Remove rounded corners for accessibility */
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--spacing-small: 0.75rem;
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--spacing-medium: 1.25rem;
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--spacing-large: 1.75rem;
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}
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/* Reset and base styles */
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* {
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box-sizing: border-box;
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margin: 0;
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padding: 0;
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}
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/* Semantic HTML elements */
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main,
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header,
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nav,
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footer,
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section,
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article,
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aside {
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display: block;
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}
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body {
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font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
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font-size: var(--font-size-base);
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line-height: var(--line-height);
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color: var(--dark-color);
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background-color: var(--light-color);
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padding: var(--spacing-medium);
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/* Ensure sufficient contrast */
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-webkit-font-smoothing: antialiased;
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-moz-osx-font-smoothing: grayscale;
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}
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/* Container for layout */
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.container {
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max-width: 1200px;
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margin: 0 auto;
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}
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/* Header styles */
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header {
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background-color: var(--primary-color);
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color: var(--light-color);
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padding: var(--spacing-medium);
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border-radius: var(--border-radius);
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margin-bottom: var(--spacing-large);
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/* Ensure sufficient contrast */
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box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
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}
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/* Navigation */
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nav ul {
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display: flex;
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list-style: none;
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gap: var(--spacing-medium);
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}
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nav a {
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color: var(--light-color);
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text-decoration: underline; /* Always show underlines for clarity */
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padding: var(--spacing-small);
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border-radius: var(--border-radius);
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transition: background-color 0.3s;
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/* Ensure sufficient contrast */
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}
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nav a:hover, nav a:focus {
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background-color: rgba(255, 255, 255, 0.2);
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outline: 3px solid var(--light-color); /* Thicker outline for focus */
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outline-offset: 2px;
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/* Ensure link text remains readable */
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color: var(--light-color);
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}
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/* Main content */
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main {
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margin: var(--spacing-large) 0;
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}
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/* Typography */
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h1, h2, h3, h4, h5, h6 {
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margin-bottom: var(--spacing-small);
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color: var(--primary-color);
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line-height: 1.2;
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/* Ensure font weights are appropriate */
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font-weight: 600;
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}
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h1 {
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font-size: var(--font-size-xlarge);
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margin-bottom: var(--spacing-medium);
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}
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h2 {
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font-size: calc(var(--font-size-large) * 1.2);
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border-bottom: 3px solid var(--secondary-color);
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padding-bottom: var(--spacing-small);
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margin-top: var(--spacing-large);
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}
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/* Buttons */
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.btn {
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display: inline-block;
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padding: var(--spacing-small) var(--spacing-medium);
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background-color: var(--secondary-color);
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color: var(--light-color);
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text-decoration: none;
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border: none;
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border-radius: var(--border-radius);
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cursor: pointer;
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font-size: var(--font-size-base);
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font-weight: 600; /* Bold for better readability */
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transition: background-color 0.3s;
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margin: var(--spacing-small);
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/* Ensure sufficient contrast */
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text-align: center;
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}
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.btn:hover, .btn:focus {
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background-color: #1d4e89; /* Darker shade on hover */
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outline: 3px solid var(--dark-color); /* Thick outline for focus */
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outline-offset: 2px;
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/* Maintain readability */
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color: var(--light-color);
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}
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.btn-primary {
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background-color: var(--primary-color);
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}
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.btn-success {
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background-color: var(--success-color);
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}
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.btn-danger {
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background-color: var(--accent-color);
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}
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/* Forms */
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.form-group {
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margin-bottom: var(--spacing-medium);
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}
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label {
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display: block;
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margin-bottom: var(--spacing-small);
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font-weight: 600; /* Bold for better readability */
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color: var(--primary-color);
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}
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input, select, textarea {
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width: 100%;
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padding: var(--spacing-small);
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border: 2px solid #333; /* Thicker border for visibility */
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border-radius: var(--border-radius);
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font-size: var(--font-size-base);
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/* Ensure sufficient contrast */
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background-color: var(--light-color);
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color: var(--dark-color);
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}
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input:focus, select:focus, textarea:focus {
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outline: 3px solid var(--secondary-color); /* Thick outline for focus */
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outline-offset: 0;
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/* Maintain readable text */
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color: var(--dark-color);
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}
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/* Tables */
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table {
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width: 100%;
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border-collapse: collapse;
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margin: var(--spacing-medium) 0;
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/* Ensure tables are readable */
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font-size: var(--font-size-base);
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}
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th, td {
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padding: var(--spacing-small);
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text-align: left;
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border-bottom: 2px solid #333; /* Thicker border for visibility */
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vertical-align: top;
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}
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th {
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background-color: var(--primary-color);
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color: var(--light-color);
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font-weight: 600; /* Bold header text */
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}
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tr:hover {
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background-color: rgba(42, 92, 176, 0.1); /* Subtle highlight */
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}
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/* Cards and sections */
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.card {
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background: var(--light-color);
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border: 2px solid #333; /* Thicker border for visibility */
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border-radius: var(--border-radius);
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padding: var(--spacing-medium);
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margin: var(--spacing-medium) 0;
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/* Ensure sufficient contrast */
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box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
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}
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/* Alerts */
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.alert {
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padding: var(--spacing-medium);
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border-radius: var(--border-radius);
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margin: var(--spacing-medium) 0;
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border: 2px solid; /* Thicker border */
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font-weight: 600; /* Bold text */
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}
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.alert-success {
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background-color: #d4f6d4; /* Light green */
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color: var(--success-color);
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border-color: var(--success-color);
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}
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.alert-error {
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background-color: #fddddd; /* Light red */
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color: var(--accent-color);
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border-color: var(--accent-color);
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}
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/* Skip link for keyboard navigation */
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.skip-link {
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position: absolute;
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top: -40px;
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left: 6px;
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background: var(--primary-color);
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color: var(--light-color);
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padding: 8px;
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text-decoration: underline;
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border-radius: var(--border-radius);
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z-index: 1000;
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font-weight: 600;
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}
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.skip-link:focus {
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top: 6px;
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outline: 3px solid var(--light-color);
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outline-offset: 0;
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}
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/* Footer */
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footer {
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background-color: var(--primary-color);
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color: var(--light-color);
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padding: var(--spacing-large);
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margin-top: var(--spacing-large);
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border-radius: var(--border-radius);
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text-align: center;
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/* Ensure sufficient contrast */
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box-shadow: 0 -4px 6px rgba(0, 0, 0, 0.1);
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}
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/* Additional accessibility features */
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/* Focus indicators for all interactive elements */
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button:focus,
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input:focus,
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select:focus,
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textarea:focus,
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a:focus {
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outline: 3px solid var(--secondary-color);
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outline-offset: 2px;
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}
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/* Ensure proper spacing between elements for users with motor disabilities */
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button,
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input,
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select,
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textarea,
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a {
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margin: var(--spacing-small);
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min-height: 44px; /* Minimum touch target size */
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}
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/* Link styling */
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a {
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color: var(--secondary-color);
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text-decoration: underline;
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font-weight: 600;
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}
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a:hover,
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a:focus {
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outline: 3px solid var(--secondary-color);
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outline-offset: 2px;
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}
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/* Responsive design */
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@media (max-width: 768px) {
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nav ul {
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flex-direction: column;
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gap: 0;
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}
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.btn {
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display: block;
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width: 100%;
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margin: var(--spacing-small) 0;
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}
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/* Increase font size on touch devices */
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body {
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font-size: calc(var(--font-size-base) * 1.1);
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}
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}
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/* Print styles */
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@media print {
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body {
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font-size: 12pt;
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}
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header,
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footer,
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nav,
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.skip-link {
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display: none;
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}
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.container {
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max-width: 100%;
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}
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}
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/* Reduced motion for users with vestibular disorders */
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@media (prefers-reduced-motion: reduce) {
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* {
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animation-duration: 0.01ms !important;
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animation-iteration-count: 1 !important;
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transition-duration: 0.01ms !important;
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}
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/* Remove hover effects */
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.btn:hover,
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nav a:hover {
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background-color: transparent;
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outline: none;
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}
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}
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/* High contrast mode support */
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@media (prefers-contrast: high) {
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:root {
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--primary-color: #000000;
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--secondary-color: #000080;
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--accent-color: #800000;
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--light-color: #ffffff;
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--dark-color: #000000;
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--success-color: #006400;
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--warning-color: #804000;
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}
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body {
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background-color: var(--light-color);
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color: var(--dark-color);
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}
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.btn {
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border: 2px solid var(--dark-color);
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}
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}
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/* Ensure proper semantics for screen readers */
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.sr-only {
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position: absolute;
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width: 1px;
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height: 1px;
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padding: 0;
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margin: -1px;
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overflow: hidden;
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clip: rect(0, 0, 0, 0);
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white-space: nowrap;
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border-width: 0;
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}
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/* Focus styles for custom components */
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.focusable {
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outline: 0;
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}
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.focusable:focus {
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outline: 3px solid var(--secondary-color);
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outline-offset: 2px;
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}
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/* Ensure sufficient color contrast for all text */
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.primary-text {
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color: var(--primary-color);
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}
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.secondary-text {
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color: var(--secondary-color);
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}
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.accent-text {
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color: var(--accent-color);
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}
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.success-text {
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color: var(--success-color);
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}
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.warning-text {
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color: var(--warning-color);
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}
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/* Responsive typography */
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html {
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font-size: 100%; /* Sets base font size to browser default */
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}
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h1 {
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font-size: clamp(1.5rem, 4vw, 2.5rem);
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}
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h2 {
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font-size: clamp(1.3rem, 3vw, 2rem);
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}
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/* Animation for loading states */
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@keyframes pulse {
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0% { opacity: 1; }
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50% { opacity: 0.5; }
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100% { opacity: 1; }
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}
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.loading {
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animation: pulse 1.5s infinite;
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} |