/* Tutor Resources Public Styles */

/* ========================================
   CSS Custom Properties (Variables)
   ======================================== */
:root {
    /* Colors with WCAG AAA compliance */
    --dtr-primary: #0051a3;        /* Darker blue for better contrast */
    --dtr-primary-hover: #003d7a;  
    --dtr-secondary: #6c757d;
    --dtr-danger: #c82333;
    --dtr-danger-hover: #a01f2a;
    --dtr-success: #28a745;
    
    /* Text colors */
    --dtr-text-primary: #212529;   /* Near black for maximum contrast */
    --dtr-text-secondary: #495057;
    --dtr-text-light: #6c757d;
    --dtr-link-color: #0051a3;     /* WCAG AAA compliant on white */
    --dtr-link-hover: #003d7a;
    --dtr-link-visited: #663399;   /* Purple for visited links */
    
    /* Background colors */
    --dtr-bg-light: #f8f9fa;
    --dtr-bg-lighter: #ffffff;
    --dtr-bg-gray: #e9ecef;
    --dtr-border-color: #dee2e6;
    
    /* Spacing */
    --dtr-spacing-xs: 0.25rem;
    --dtr-spacing-sm: 0.5rem;
    --dtr-spacing-md: 1rem;
    --dtr-spacing-lg: 1.5rem;
    --dtr-spacing-xl: 2rem;
    
    /* Typography */
    --dtr-font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --dtr-line-height: 1.6;
    
    /* Borders and shadows */
    --dtr-border-radius: 4px;
    --dtr-box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
    --dtr-box-shadow-hover: 0 3px 6px rgba(0, 0, 0, 0.15), 0 2px 4px rgba(0, 0, 0, 0.12);
    
    /* Transitions */
    --dtr-transition: background-color 0.2s ease, color 0.2s ease;
}

/* ========================================
   Base Styles
   ======================================== */
.dtr-password-form,
.dtr-resources {
    font-family: var(--dtr-font-family);
    line-height: var(--dtr-line-height);
    color: var(--dtr-text-primary);
}

/* ========================================
   Password Form
   ======================================== */
.dtr-password-form {
    max-width: 400px;
    margin: var(--dtr-spacing-xl) auto;
    padding: var(--dtr-spacing-xl);
    background: var(--dtr-bg-lighter);
    border: 1px solid var(--dtr-border-color);
    border-radius: var(--dtr-border-radius);
    box-shadow: var(--dtr-box-shadow);
}

.dtr-password-form h3 {
    margin: 0 0 var(--dtr-spacing-md) 0;
    color: var(--dtr-text-primary);
    font-size: 1.5rem;
    font-weight: 600;
}

.dtr-password-form p {
    margin-bottom: var(--dtr-spacing-lg);
    color: var(--dtr-text-secondary);
}

.dtr-password-form form {
    display: flex;
    flex-direction: column;
    gap: var(--dtr-spacing-md);
}

.dtr-password-form input[type="password"] {
    padding: var(--dtr-spacing-sm) var(--dtr-spacing-md);
    border: 2px solid var(--dtr-border-color);
    border-radius: var(--dtr-border-radius);
    font-size: 1rem;
    transition: var(--dtr-transition);
    background: var(--dtr-bg-lighter);
    color: var(--dtr-text-primary);
}

.dtr-password-form input[type="password"]:focus {
    outline: 3px solid var(--dtr-primary);
    outline-offset: 2px;
    border-color: var(--dtr-primary);
}

.dtr-password-form input[type="submit"] {
    padding: var(--dtr-spacing-sm) var(--dtr-spacing-lg);
    background: var(--dtr-primary);
    color: white;
    border: none;
    border-radius: var(--dtr-border-radius);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--dtr-transition);
}

.dtr-password-form input[type="submit"]:hover {
    background: var(--dtr-primary-hover);
}

.dtr-password-form input[type="submit"]:focus {
    outline: 3px solid var(--dtr-primary);
    outline-offset: 2px;
}


.dtr-error {
    padding: var(--dtr-spacing-sm) var(--dtr-spacing-md);
    background: #f8d7da;
    border: 1px solid #f5c6cb;
    border-radius: var(--dtr-border-radius);
    color: #721c24;
    margin-bottom: var(--dtr-spacing-md);
}

/* ========================================
   Resources Section
   ======================================== */
.dtr-resources {
    margin: var(--dtr-spacing-xl) 0;
    padding: 0 var(--dtr-spacing-md);
}

.dtr-resources-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--dtr-spacing-md);
    margin-bottom: var(--dtr-spacing-xl);
    padding-bottom: var(--dtr-spacing-lg);
    border-bottom: 2px solid var(--dtr-border-color);
}

.dtr-resources-header h2 {
    margin: 0;
    color: var(--dtr-text-primary);
    font-size: 2rem;
    font-weight: 600;
}

/* Logout Button */
.dtr-logout-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--dtr-spacing-xs);
    padding: var(--dtr-spacing-sm) var(--dtr-spacing-md);
    background: var(--dtr-danger);
    color: white !important; /* Ensure white text */
    text-decoration: none;
    border: none;
    border-radius: var(--dtr-border-radius);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--dtr-transition);
}

.dtr-logout-btn:hover,
.dtr-logout-btn:focus {
    background: var(--dtr-danger-hover);
    color: white !important;
    text-decoration: none;
}

.dtr-logout-btn:focus {
    outline: 3px solid var(--dtr-danger);
    outline-offset: 2px;
}

/* ========================================
   Categories
   ======================================== */
.dtr-category {
    margin-bottom: var(--dtr-spacing-xl);
}

.dtr-category h3 {
    padding: var(--dtr-spacing-md) var(--dtr-spacing-lg);
    background: linear-gradient(to right, var(--dtr-bg-light), transparent);
    border-left: 4px solid var(--dtr-primary);
    margin: 0 0 var(--dtr-spacing-lg) 0;
    color: var(--dtr-text-primary);
    font-size: 1.25rem;
    font-weight: 600;
}

/* ========================================
   Individual Resources
   ======================================== */
.dtr-resource-list {
    display: grid;
    gap: var(--dtr-spacing-lg);
}

.dtr-resource {
    padding: var(--dtr-spacing-lg);
    background: var(--dtr-bg-lighter);
    border: 1px solid var(--dtr-border-color);
    border-radius: var(--dtr-border-radius);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
    transition: var(--dtr-transition);
}

.dtr-resource:hover {
    box-shadow: var(--dtr-box-shadow);
}

.dtr-resource h4 {
    margin: 0 0 var(--dtr-spacing-md) 0;
    color: var(--dtr-text-primary);
    font-size: 1.125rem;
    font-weight: 600;
    line-height: 1.3;
}

/* ========================================
   Resource Content - CRITICAL FOR LINK VISIBILITY
   ======================================== */
.dtr-resource-content {
    margin-bottom: var(--dtr-spacing-lg);
    color: var(--dtr-text-secondary);
    line-height: var(--dtr-line-height);
}

/* Fix for links within resource content */
.dtr-resource-content a {
    color: var(--dtr-link-color) !important;
    text-decoration: underline;
    font-weight: 500;
    transition: var(--dtr-transition);
    word-break: break-word;
}

.dtr-resource-content a:visited {
    color: var(--dtr-link-visited) !important;
}

.dtr-resource-content a:hover,
.dtr-resource-content a:focus {
    color: var(--dtr-link-hover) !important;
    text-decoration: underline;
    background-color: rgba(0, 81, 163, 0.05);
    outline: 2px solid var(--dtr-primary);
    outline-offset: 2px;
    border-radius: 2px;
    padding: 0 2px;
}

.dtr-resource-content a:active {
    color: var(--dtr-primary-hover) !important;
}

/* Paragraphs within resource content */
.dtr-resource-content p {
    margin: 0 0 var(--dtr-spacing-md) 0;
    color: var(--dtr-text-secondary);
}

.dtr-resource-content p:last-child {
    margin-bottom: 0;
}

/* Lists within resource content */
.dtr-resource-content ul,
.dtr-resource-content ol {
    margin: 0 0 var(--dtr-spacing-md) var(--dtr-spacing-lg);
    color: var(--dtr-text-secondary);
}

.dtr-resource-content li {
    margin-bottom: var(--dtr-spacing-xs);
}

/* ========================================
   Download Section
   ======================================== */
.dtr-resource-download {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--dtr-spacing-md);
    padding-top: var(--dtr-spacing-md);
    border-top: 1px solid var(--dtr-border-color);
}

.dtr-download-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--dtr-spacing-xs);
    padding: var(--dtr-spacing-sm) var(--dtr-spacing-md);
    background: var(--dtr-primary);
    color: white !important;
    text-decoration: none;
    border-radius: var(--dtr-border-radius);
    font-weight: 500;
    transition: var(--dtr-transition);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.dtr-download-btn:hover,
.dtr-download-btn:focus {
    background: var(--dtr-primary-hover);
    color: white !important;
    text-decoration: none;
}

.dtr-download-btn:focus {
    outline: 3px solid var(--dtr-primary);
    outline-offset: 2px;
}


.dtr-download-btn .dashicons {
    font-size: 18px;
    width: 18px;
    height: 18px;
    line-height: 18px;
}

.dtr-file-type {
    display: inline-block;
    padding: var(--dtr-spacing-xs) var(--dtr-spacing-sm);
    background: var(--dtr-bg-gray);
    border: 1px solid var(--dtr-border-color);
    border-radius: var(--dtr-border-radius);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--dtr-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 768px) {
    .dtr-password-form {
        margin: var(--dtr-spacing-lg) auto;
        padding: var(--dtr-spacing-lg);
        max-width: calc(100% - var(--dtr-spacing-xl));
    }
    
    .dtr-resources {
        padding: 0;
    }
    
    .dtr-resources-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .dtr-resources-header h2 {
        font-size: 1.5rem;
    }
    
    .dtr-resource {
        padding: var(--dtr-spacing-md);
    }
    
    .dtr-category h3 {
        padding: var(--dtr-spacing-sm) var(--dtr-spacing-md);
        font-size: 1.125rem;
    }
    
    .dtr-logout-btn {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .dtr-password-form {
        margin: var(--dtr-spacing-md) auto;
        padding: var(--dtr-spacing-md);
        max-width: calc(100% - var(--dtr-spacing-lg));
    }
    
    .dtr-download-btn {
        width: 100%;
        justify-content: center;
    }
}

/* ========================================
   Print Styles
   ======================================== */
@media print {
    .dtr-logout-btn,
    .dtr-password-form {
        display: none !important;
    }
    
    .dtr-resources {
        padding: 0;
        margin: 0;
    }
    
    .dtr-resource {
        page-break-inside: avoid;
        border: 1px solid #000;
        margin-bottom: 1rem;
        box-shadow: none;
    }
    
    .dtr-resource-content a {
        color: #000 !important;
        text-decoration: underline;
    }
    
    .dtr-resource-content a::after {
        content: " (" attr(href) ")";
        font-size: 0.9em;
        color: #666;
    }
    
    .dtr-download-btn {
        border: 1px solid #000;
        color: #000 !important;
        background: white !important;
    }
    
    .dtr-download-btn::after {
        content: " - " attr(href);
        font-size: 0.9em;
    }
}

/* ========================================
   Accessibility: Focus Visible for Keyboard Navigation
   ======================================== */
*:focus-visible {
    outline: 3px solid var(--dtr-primary);
    outline-offset: 2px;
}

/* ========================================
   Reduced Motion Support
   ======================================== */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* ========================================
   Dark Mode Support (Optional - WordPress Admin Dark Mode)
   ======================================== */
@media (prefers-color-scheme: dark) {
    .wp-admin.admin-color-modern .dtr-resources,
    .wp-admin.admin-color-midnight .dtr-resources {
        --dtr-text-primary: #e0e0e0;
        --dtr-text-secondary: #b0b0b0;
        --dtr-bg-light: #2c3338;
        --dtr-bg-lighter: #1e2327;
        --dtr-border-color: #3f4346;
        --dtr-link-color: #72aee6;
        --dtr-link-hover: #93c5fd;
        --dtr-link-visited: #b19cd9;
    }
}