/* ============================================
   COURSES PAGE SPECIFIC STYLES
   Theme Colors: Navy #14377C, Green #188B73, Gold #C39635
============================================ */

/* Root Variables - MUST BE FIRST */
:root {
    --navy: #14377C;
    --green: #188B73;
    --gold: #C39635;
    --white: #FFFFFF;
    --light-gray: #F8F9FA;
    --dark-gray: #6C757D;
    --black: #212529;
    --transition: all 0.3s ease-in-out;
}

/* ============================================
   COURSES PAGE HEADER
============================================ */
.courses-header-section {
    position: relative;
    min-height: 40vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #14377C 0%, #188B73 100%);
    background-image: url('images/courses-header-bg.jpg');
    background-size: cover;
    background-position: center;
    padding: 100px 0 60px;
    overflow: hidden;
}

.courses-header-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(20, 55, 124, 0.88);
    z-index: 1;
}

.courses-header-section .container {
    position: relative;
    z-index: 2;
}

.min-vh-40 {
    min-height: 40vh;
}

.courses-page-title {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: #FFFFFF;
}

.courses-page-subtitle {
    font-size: 1.1rem;
    opacity: 0.95;
    color: #FFFFFF;
}

/* ============================================
   SEARCH & FILTER SECTION
============================================ */
.search-filter-section {
    background: #F8F9FA;
    border-bottom: 2px solid #e0e0e0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 70px;
    z-index: 100;
}

.search-box {
    position: relative;
    width: 100%;
}

.search-icon {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: #6C757D;
    font-size: 1rem;
    z-index: 10;
    pointer-events: none;
}

.search-input {
    width: 100%;
    padding: 12px 15px 12px 45px;
    border: 2px solid #dee2e6;
    border-radius: 8px;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    background: #FFFFFF;
}

.search-input:focus {
    border-color: #188B73;
    box-shadow: 0 0 0 0.2rem rgba(24, 139, 115, 0.15);
    outline: none;
}

.filter-select {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #dee2e6;
    border-radius: 8px;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    cursor: pointer;
    background: #FFFFFF;
}

.filter-select:focus {
    border-color: #14377C;
    box-shadow: 0 0 0 0.2rem rgba(20, 55, 124, 0.15);
    outline: none;
}

/* ============================================
   COURSE STATS BAR
============================================ */
.course-stats-bar {
    background: #FFFFFF;
    padding: 1.25rem 1.5rem;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    margin-bottom: 1.5rem;
}

.courses-count {
    font-size: 1.1rem;
    font-weight: 600;
    color: #14377C;
}

.courses-count span {
    color: #188B73;
    font-weight: 700;
    font-size: 1.2rem;
}

.sort-options {
    display: flex;
    align-items: center;
}

.sort-options .form-select {
    width: auto;
    min-width: 180px;
    border: 2px solid #dee2e6;
    padding: 8px 15px;
    font-size: 0.9rem;
    cursor: pointer;
}

/* ============================================
   CATEGORY PILLS/TABS
============================================ */
.course-categories-tabs {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: #188B73 #F8F9FA;
    margin-bottom: 1.5rem;
}

.course-categories-tabs::-webkit-scrollbar {
    height: 6px;
}

.course-categories-tabs::-webkit-scrollbar-track {
    background: #F8F9FA;
    border-radius: 10px;
}

.course-categories-tabs::-webkit-scrollbar-thumb {
    background: #188B73;
    border-radius: 10px;
}

.category-pills {
    display: flex;
    gap: 12px;
    flex-wrap: nowrap;
    padding: 10px 0;
    margin: 0;
    list-style: none;
}

.category-pills .nav-item {
    flex-shrink: 0;
}

.category-pills .nav-link {
    background: #FFFFFF;
    color: #14377C;
    /* border: 2px solid #dee2e6; */
    border-radius: 5px;
    padding: 25px;
    font-weight: 600;
    font-size: 0.9rem;
    white-space: nowrap;
    transition: all 0.3s ease;
    cursor: pointer;
    display: inline-block;
}

.category-pills .nav-link:hover {
    background: #F8F9FA;
    border-color: #188B73;
    color: #188B73;
    transform: translateY(-2px);
}

/* .category-pills .nav-link.active {
 background: linear-gradient(135deg, #14377C 0%, #188B73 100%);
    color: #FFFFFF;
    border-color: #14377C; 
    box-shadow: 0 4px 15px rgba(20, 55, 124, 0.3);
} */

/* ============================================
   COURSE CARD STYLING
============================================ */
.course-item {
    margin-bottom: 2rem;
}

.course-card {
    background: #FFFFFF;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
    position: relative;
    border: 2px solid transparent;
}

.course-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
    border-color: #C39635;
}

/* Course Badge */
.course-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    padding: 7px 16px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    z-index: 10;
    display: flex;
    align-items: center;
    gap: 6px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
}

.badge-top {
    background: #C39635;
    color: #14377C;
}

.badge-trending {
    background: linear-gradient(135deg, #FF6B6B 0%, #FF4757 100%);
    color: #FFFFFF;
}

.badge-new {
    background: #188B73;
    color: #FFFFFF;
}

/* Course Image */
.course-image {
    position: relative;
    overflow: hidden;
    height: 220px;
    background: linear-gradient(135deg, #14377C 0%, #188B73 100%);
}

.course-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.course-card:hover .course-image img {
    transform: scale(1.15);
}

.course-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(20, 55, 124, 0.92);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.course-card:hover .course-overlay {
    opacity: 1;
}

.btn-course-view {
    background: #C39635;
    color: #FFFFFF;
    padding: 12px 30px;
    border-radius: 25px;
    font-weight: 700;
    font-size: 0.95rem;
    border: 2px solid #C39635;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.btn-course-view:hover {
    background: transparent;
    color: #FFFFFF;
    border-color: #FFFFFF;
    transform: scale(1.05);
}

/* Course Body */
.course-body {
    padding: 1.75rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.course-category {
    display: inline-flex;
    align-items: center;
    color: #188B73;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.course-category i {
    margin-right: 6px;
    font-size: 0.9rem;
}

.course-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.4;
    min-height: 60px;
}

.course-title a {
    color: #14377C;
    text-decoration: none;
    transition: color 0.3s ease;
}

.course-title a:hover {
    color: #188B73;
}

.course-description {
    color: #6C757D;
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 1.25rem;
    flex: 1;
}

/* Course Meta */
.course-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid #F8F9FA;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    color: #6C757D;
    font-weight: 500;
}

.meta-item i {
    color: #14377C;
    font-size: 0.9rem;
}

/* Course Delivery Badges */
.course-delivery {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 1rem;
}

.delivery-badge {
    background: #F8F9FA;
    color: #14377C;
    padding: 6px 14px;
    border-radius: 15px;
    font-size: 0.75rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 5px;
    border: 1px solid #dee2e6;
}

.delivery-badge i {
    font-size: 0.8rem;
}

/* Course Footer */
.course-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1rem;
    border-top: 2px solid #F8F9FA;
    margin-top: auto;
}

.course-rating {
    display: flex;
    align-items: center;
    gap: 3px;
}

.course-rating i {
    color: #C39635;
    font-size: 0.9rem;
}

.course-rating span {
    color: #6C757D;
    font-size: 0.85rem;
    margin-left: 5px;
    font-weight: 600;
}

.btn-enroll {
    background: linear-gradient(135deg, #14377C 0%, #188B73 100%);
    color: #FFFFFF;
    padding: 10px 24px;
    border-radius: 20px;
    font-weight: 700;
    font-size: 0.9rem;
    border: none;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.btn-enroll:hover {
    background: #C39635;
    color: #14377C;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(195, 150, 53, 0.4);
}

/* ============================================
   PAGINATION
============================================ */
.pagination {
    gap: 8px;
    margin-top: 2rem;
}

.page-item {
    margin: 0;
}

.page-item .page-link {
    border: 2px solid #dee2e6;
    color: #14377C;
    padding: 10px 16px;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
    background: #FFFFFF;
}

.page-item.active .page-link {
    background: #14377C;
    border-color: #14377C;
    color: #FFFFFF;
}

.page-item .page-link:hover {
    background: #188B73;
    border-color: #188B73;
    color: #FFFFFF;
}

.page-item.disabled .page-link {
    background: #F8F9FA;
    border-color: #dee2e6;
    color: #6C757D;
    cursor: not-allowed;
}

/* ============================================
   NO RESULTS MESSAGE
============================================ */
.no-results-message {
    text-align: center;
    padding: 4rem 2rem;
    background: #FFFFFF;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

.no-results-message i {
    font-size: 4rem;
    color: #6C757D;
    margin-bottom: 1.5rem;
    opacity: 0.5;
}

.no-results-message h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #14377C;
    margin-bottom: 0.5rem;
}

.no-results-message p {
    color: #6C757D;
    font-size: 1rem;
}

/* ============================================
   CATEGORY OVERVIEW CARDS
============================================ */
.category-overview-card {
    background: #FFFFFF;
    padding: 2rem 1.5rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    display: block;
    text-decoration: none;
    border: 2px solid transparent;
    height: 100%;
}

.category-overview-card:hover {
    border-color: #C39635;
    transform: translateY(-8px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.category-overview-card .category-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #14377C 0%, #188B73 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.25rem;
    transition: all 0.4s ease;
}

.category-overview-card:hover .category-icon {
    background: #C39635;
    transform: rotate(360deg) scale(1.1);
}

.category-overview-card .category-icon i {
    font-size: 2.2rem;
    color: #FFFFFF;
}

.category-overview-card h5 {
    font-size: 1.05rem;
    font-weight: 700;
    color: #14377C;
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.category-overview-card .course-count {
    font-size: 0.9rem;
    color: #188B73;
    font-weight: 600;
}

/* ============================================
   COURSES CTA SECTION
============================================ */
.courses-cta-section {
    background: linear-gradient(135deg, #14377C 0%, #188B73 100%);
    padding: 4rem 0;
}

.cta-title-courses {
    font-size: 2rem;
    font-weight: 700;
    color: #FFFFFF;
}

.cta-text-courses {
    font-size: 1.1rem;
    opacity: 0.95;
    color: #FFFFFF;
}

.btn-cta-large {
    background: #C39635;
    color: #FFFFFF;
    padding: 15px 35px;
    border-radius: 30px;
    font-weight: 700;
    font-size: 16px;
    border: 2px solid #C39635;
    transition: all 0.3s ease;
    white-space: nowrap;
    text-decoration: none;
    display: inline-block;
}

.btn-cta-large:hover {
    background: transparent;
    color: #FFFFFF;
    border-color: #FFFFFF;
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

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

/* Large Desktops */
@media (min-width: 1400px) {
    .container {
        max-width: 1320px;
    }
}

/* Tablets and Below */
@media (max-width: 1199px) {
    .courses-page-title {
        font-size: 2.5rem;
    }
    
    .course-stats-bar {
        flex-direction: column;
        gap: 1rem;
    }
    
    .sort-options .form-select {
        width: 100%;
    }
}

@media (max-width: 991px) {
    .courses-page-title {
        font-size: 2rem;
    }
    
    .courses-page-subtitle {
        font-size: 1rem;
    }
    
    .course-image {
        height: 200px;
    }
    
    .course-title {
        font-size: 1.1rem;
        min-height: auto;
    }
    
    .category-pills .nav-link {
        padding: 8px 20px;
        font-size: 0.85rem;
    }
}

/* Mobile Devices */
@media (max-width: 767px) {
    .courses-header-section {
        min-height: 35vh;
        padding: 80px 0 40px;
    }
    
    .courses-page-title {
        font-size: 1.75rem;
    }
    
    .courses-page-subtitle {
        font-size: 0.95rem;
    }
    
    .search-input,
    .filter-select {
        font-size: 0.9rem;
        padding: 10px 15px 10px 40px;
    }
    
    .course-stats-bar {
        padding: 1rem;
    }
    
    .courses-count {
        font-size: 1rem;
    }
    
    .course-image {
        height: 180px;
    }
    
    .course-body {
        padding: 1.25rem;
    }
    
    .course-title {
        font-size: 1rem;
    }
    
    .course-description {
        font-size: 0.85rem;
    }
    
    .course-footer {
        flex-direction: column;
        gap: 12px;
        align-items: flex-start;
    }
    
    .btn-enroll {
        width: 100%;
        text-align: center;
        padding: 12px 20px;
    }
    
    .cta-title-courses {
        font-size: 1.5rem;
    }
    
    .cta-text-courses {
        font-size: 1rem;
    }
    
    .btn-cta-large {
        width: 100%;
        margin-top: 1.5rem;
        text-align: center;
    }
    
    .category-overview-card {
        padding: 1.5rem 1rem;
    }
    
    .category-overview-card .category-icon {
        width: 70px;
        height: 70px;
    }
    
    .category-overview-card .category-icon i {
        font-size: 1.8rem;
    }
}

@media (max-width: 576px) {
    .course-meta {
        gap: 10px;
    }
    
    .meta-item {
        font-size: 0.8rem;
    }
    
    .pagination {
        font-size: 0.85rem;
    }
    
    .page-item .page-link {
        padding: 8px 12px;
    }
    
    .course-badge {
        padding: 5px 12px;
        font-size: 0.7rem;
    }
}

/* ============================================
   LOADING & ANIMATION STATES
============================================ */
.course-item.loading {
    opacity: 0.5;
    pointer-events: none;
    filter: grayscale(50%);
}

/* Fade In Animation */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.course-item {
    animation: fadeInUp 0.6s ease-in-out;
}

/* Smooth transitions for all interactive elements */
a, button, .nav-link, .page-link {
    transition: all 0.3s ease-in-out;
}

/* Ensure proper spacing */
.py-5 {
    padding-top: 3rem !important;
    padding-bottom: 3rem !important;
}

.mb-4 {
    margin-bottom: 1.5rem !important;
}

.mb-5 {
    margin-bottom: 3rem !important;
}

/* Background colors */
.bg-light {
    background-color: #F8F9FA !important;
}