/* ========================================
   RESOURCES PAGE STYLES
   Professional Corporate Design for Learning Resources
   ======================================== */

/* ========================================
   RESOURCES PAGE SPECIFIC CUSTOMIZATIONS
   ======================================== */

/* Ensure resources page uses green gradient theme */
.resources-page .page-header {
    background: linear-gradient(135deg, rgba(34, 139, 34, 0.9) 0%, rgba(23, 162, 184, 0.9) 100%) !important;
}

/* Resources main container adjustments */
.resources-main-container {
    padding: var(--spacing-xxl) 0;
    background-color: var(--light-color);
    min-height: calc(100vh - 70px);
    width: 100%;
}

/* ========================================
   CONTENT SECTION STYLING
   ======================================== */

.resources-content-section {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.resources-content-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.resources-content-section:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.resources-content-section h2 {
    color: var(--text-primary);
    font-size: 2rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.resources-content-section h2::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: 2px;
}

/* ========================================
   RESOURCE GRID SYSTEM
   ======================================== */

.resource-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
    width: 100%;
}

/* Fallback for smaller screens */
@media (max-width: 1100px) {
    .resource-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
}

.resource-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    border: 1px solid var(--border-color);
    transition: all var(--transition-smooth);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    text-align: center;
    min-height: 320px;
    box-shadow: var(--shadow-sm);
}

.resource-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(34, 139, 34, 0.02) 0%, rgba(255, 123, 0, 0.02) 100%);
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: 0;
}

.resource-card:hover::before {
    opacity: 1;
}

.resource-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(34, 139, 34, 0.2);
}

.resource-card > * {
    position: relative;
    z-index: 1;
}

/* Resource Card Icon */
.resource-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    color: var(--white);
    transition: all var(--transition-normal);
    box-shadow: 0 8px 24px rgba(34, 139, 34, 0.2);
}

.resource-card:hover .resource-icon {
    transform: scale(1.1) rotateY(180deg);
    box-shadow: 0 12px 36px rgba(34, 139, 34, 0.3);
}

.resource-icon svg {
    width: 40px;
    height: 40px;
    transition: all var(--transition-normal);
}

.resource-card:hover .resource-icon svg {
    transform: rotateY(180deg);
}

/* Resource Card Content */
.resource-card h3 {
    font-size: 1.5rem;
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    transition: color var(--transition-normal);
}

.resource-card:hover h3 {
    color: var(--primary-color);
}

.resource-card p {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
    flex-grow: 1;
}

/* Resource Card Button */
.resource-card .btn {
    margin-top: auto;
    position: relative;
    overflow: hidden;
}

.resource-card .btn-outline-primary {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    background: transparent;
    font-weight: var(--font-weight-medium);
    transition: all var(--transition-normal);
}

.resource-card .btn-outline-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--primary-color);
    transition: left var(--transition-normal);
    z-index: -1;
}

.resource-card .btn-outline-primary:hover::before {
    left: 0;
}

.resource-card .btn-outline-primary:hover {
    color: var(--white);
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(34, 139, 34, 0.3);
}

/* ========================================
   SIDEBAR SECTION
   ======================================== */

.resources-sidebar {
    margin-top: var(--spacing-lg);
}

.sidebar-section {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.sidebar-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.sidebar-section:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.sidebar-section h3 {
    font-size: 1.25rem;
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    position: relative;
}

.sidebar-section h3::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--accent-color);
    border-radius: 1px;
}

/* Quick Links List */
.quick-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.quick-links li {
    margin-bottom: var(--spacing-sm);
    position: relative;
}

.quick-links li:last-child {
    margin-bottom: 0;
}

.quick-links a {
    display: flex;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    font-weight: var(--font-weight-medium);
}

.quick-links a::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(34, 139, 34, 0.08) 0%, rgba(255, 123, 0, 0.08) 100%);
    transition: left var(--transition-normal);
    z-index: -1;
}

.quick-links a:hover::before {
    left: 0;
}

.quick-links a:hover {
    color: var(--primary-color);
    transform: translateX(8px);
    background-color: rgba(34, 139, 34, 0.05);
}

.quick-links a::after {
    content: '→';
    margin-left: auto;
    opacity: 0;
    transform: translateX(-10px);
    transition: all var(--transition-normal);
    color: var(--accent-color);
    font-weight: bold;
}

.quick-links a:hover::after {
    opacity: 1;
    transform: translateX(0);
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

@media (max-width: 992px) {
    .resources-main-container .row {
        flex-direction: column;
    }
    
    .resources-sidebar {
        margin-top: var(--spacing-lg);
    }
    
    .resource-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: var(--spacing-md);
    }
}

@media (max-width: 900px) {
    .resource-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .resource-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .resources-content-section {
        padding: var(--spacing-lg);
        margin-bottom: var(--spacing-md);
    }
    
    .resources-content-section h2 {
        font-size: 1.75rem;
    }
    
    .resource-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .resource-card {
        padding: var(--spacing-lg);
        min-height: 240px;
    }
    
    .resource-icon {
        width: 70px;
        height: 70px;
    }
    
    .resource-icon svg {
        width: 35px;
        height: 35px;
    }
    
    .sidebar-section {
        padding: var(--spacing-lg);
    }
}

@media (max-width: 480px) {
    .resources-content-section {
        padding: var(--spacing-md);
    }
    
    .resources-content-section h2 {
        font-size: 1.5rem;
    }
    
    .resource-card {
        padding: var(--spacing-md);
        min-height: 220px;
    }
    
    .resource-card h3 {
        font-size: 1.25rem;
    }
    
    .resource-icon {
        width: 60px;
        height: 60px;
        margin-bottom: var(--spacing-sm);
    }
    
    .resource-icon svg {
        width: 30px;
        height: 30px;
    }
    
    .quick-links a {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.9rem;
    }
}

/* ========================================
   ACCESSIBILITY ENHANCEMENTS
   ======================================== */

@media (prefers-reduced-motion: reduce) {
    .resource-card,
    .resource-icon,
    .sidebar-section,
    .quick-links a {
        transition: none;
    }
    
    .resource-card:hover,
    .sidebar-section:hover {
        transform: none;
    }
    
    .resource-card:hover .resource-icon {
        transform: scale(1.05);
    }
}

/* Focus states for keyboard navigation */
.resource-card:focus-within,
.quick-links a:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
    border-radius: var(--radius-md);
}

.resource-card .btn:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .resource-card,
    .sidebar-section {
        border: 2px solid var(--text-primary);
    }
    
    .resource-icon {
        border: 2px solid var(--white);
    }
    
    .quick-links a {
        border: 1px solid transparent;
    }
    
    .quick-links a:hover {
        border-color: var(--primary-color);
    }
}

/* ========================================
   ANIMATION ENHANCEMENTS
   ======================================== */

.resource-card {
    animation: fadeInUp 0.6s ease-out;
}

.resource-card:nth-child(1) { animation-delay: 0.1s; }
.resource-card:nth-child(2) { animation-delay: 0.2s; }
.resource-card:nth-child(3) { animation-delay: 0.3s; }

.sidebar-section {
    animation: fadeInRight 0.6s ease-out 0.3s both;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}