/**
 * Resources Page Consolidated Styles
 * Combines resources.css with document-viewer modal styles
 * Resolves conflicts between the two CSS files
 */

/* ===========================
   CSS Variables 
   =========================== */
:root {
    --primary-navy: #0F3057;
    --primary-red: #E74C3C;
    --white: #FFFFFF;
    --grey: #666666;
    --light-grey: #e8e8e8;
    --radius-md: 8px;
    --transition-normal: 0.3s ease;
}

/* ===========================
   Resource Categories 
   =========================== */
.resource-category {
    margin-bottom: 3rem;
}

.category-title {
    color: var(--primary-navy);
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--primary-red);
}

/* ===========================
   Document Card - Primary Definition
   Consolidated from both files
   =========================== */
.document-card {
    height: 100%;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--white);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
    border: 1px solid var(--light-grey);
}

.document-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    border-color: var(--primary-red);
}

/* Document Header */
.document-header {
    height: 80px;
    background: linear-gradient(135deg, #f5f7fa 0%, #e9ecef 100%);
    position: relative;
    overflow: hidden;
}

/* Add subtle pattern overlay */
.document-header::after {
    content: '';
    position: absolute;
    top: 0;
    right: -20px;
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, rgba(213, 43, 30, 0.05) 0%, transparent 70%);
    border-radius: 50%;
}

/* Document Title Overlay */
.document-title-overlay {
    background: linear-gradient(180deg, rgba(255,255,255,0.95) 0%, rgba(255,255,255,0.85) 100%);
    color: var(--primary-navy);
    width: 100%;
    height: 100%;
    padding: 15px;
    position: absolute;
    top: 0;
    left: 0;
    display: flex;
    align-items: center;
    backdrop-filter: blur(10px);
    border-bottom: 3px solid var(--primary-red);
}

/* Add red accent line on left side */
.document-title-overlay::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--primary-red);
}

.document-title-overlay h3 {
    margin: 0;
    margin-left: 15px; /* Account for the red accent line */
    font-size: 1.1rem;
    font-weight: 600;
    line-height: 1.3;
    color: var(--primary-navy);
    flex: 1;
}

/* Document Icon Accent */
.document-icon-accent {
    position: absolute;
    right: 15px;
    font-size: 2rem;
    color: var(--primary-red);
    opacity: 0.15;
}

/* Document Content */
.document-content {
    padding: 20px;
}

/* Document Description */
.document-content p {
    color: var(--grey);
    margin-bottom: 15px;
    font-size: 0.9rem;
    line-height: 1.5;
}

/* Document Meta - Price Display */
.document-price {
    color: var(--primary-red) !important;
    font-weight: 700 !important;
    font-size: 1rem !important;
    margin-bottom: 15px;
    display: block !important;
    /* Prevent price flickering by forcing immediate display */
    visibility: visible !important;
    opacity: 1 !important;
    transition: none !important;
}

/* Prevent other price classes from affecting resources page */
.resources-page .card-price,
.resources-page .course-price,
.resources-page .item-price,
.resources-page .price {
    color: var(--primary-red) !important;
    font-weight: 700 !important;
    font-size: 1rem !important;
    visibility: visible !important;
    opacity: 1 !important;
    transition: none !important;
}

/* Document Preview Link */
.document-preview-link {
    display: inline-block;
    color: var(--primary-navy);
    font-size: 0.85rem;
    text-decoration: underline;
    margin-bottom: 15px;
    cursor: pointer;
    transition: color var(--transition-normal);
}

.document-preview-link:hover {
    color: var(--primary-red);
}

/* ===========================
   Modal Styles (from document-viewer.css)
   =========================== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    z-index: 10000;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal.active {
    display: flex;
    opacity: 1;
    align-items: center;
    justify-content: center;
}

.modal-dialog {
    background: white;
    border-radius: 8px;
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    transform: translateY(-50px);
    transition: transform 0.3s ease;
}

.modal.active .modal-dialog {
    transform: translateY(0);
}

.modal-dialog.modal-lg {
    max-width: 900px;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid #e5e5e5;
    background: #f8f9fa;
}

.modal-header h3 {
    margin: 0;
    color: var(--primary-navy);
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: #666;
    cursor: pointer;
    padding: 5px;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.modal-close:hover {
    background: #e5e5e5;
    color: #333;
}

.modal-body {
    padding: 20px;
    max-height: 60vh;
    overflow-y: auto;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding: 20px;
    border-top: 1px solid #e5e5e5;
    background: #f8f9fa;
}

/* Preview Container */
.preview-container {
    position: relative;
}

.watermark-notice {
    background: linear-gradient(135deg, #E74C3C, #C0392B);
    color: white;
    padding: 12px 16px;
    border-radius: 6px;
    margin-bottom: 15px;
    text-align: center;
    font-weight: 500;
    box-shadow: 0 2px 10px rgba(231, 76, 60, 0.3);
}

.watermark-notice i {
    margin-right: 8px;
}

/* Loading Spinner */
.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid var(--primary-navy);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 20px auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ===========================
   Utility Classes 
   =========================== */
.w-100 {
    width: 100%;
}

.mb-4 {
    margin-bottom: 2rem;
}

.text-center {
    text-align: center;
}

.text-red {
    color: var(--primary-red);
}

/* ===========================
   Button Styles 
   =========================== */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background: var(--primary-navy);
    color: white;
}

.btn-primary:hover {
    background: #1a4b7a;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(15, 48, 87, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--primary-navy);
    border: 2px solid var(--primary-navy);
}

.btn-outline:hover {
    background: var(--primary-navy);
    color: white;
}

/* ===========================
   Anti-Flicker Protection 
   =========================== */
/* Prevent all price elements from flickering by disabling transitions */
.resources-page [class*="price"],
.resources-page .document-price,
.resources-page .card-price,
.resources-page .course-price {
    animation: none !important;
    transition: none !important;
    transform: none !important;
}

/* Force immediate display of price elements */
.resources-page .document-card .document-price,
.resources-page .card .card-price {
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
}

/* ===========================
   Responsive Design 
   =========================== */
@media (max-width: 768px) {
    .category-title {
        font-size: 1.5rem;
    }
    
    .document-title-overlay h3 {
        font-size: 1rem;
    }
    
    .modal-dialog {
        max-width: 95%;
        margin: 10px;
    }
}