/* ============ ACADEMY CATEGORY CARDS (academy/index.php) ============ */
.academy-cat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
}
.academy-cat-card {
    display: block;
    /* background: #111; */
    border: 1px solid #333;
    border-radius: 12px;
    padding: 24px 20px;
    text-decoration: none;
    transition: all 0.2s;
    position: relative;
    overflow: hidden;
    background: linear-gradient(45deg, #040b09, #0b4a23);
}
.academy-cat-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 4px;
    height: 100%;
    background: #16A249;
    opacity: 0;
    transition: opacity 0.2s;
}
.academy-cat-card:hover {
    transform: translateY(-4px);
    border-color: #16A249;
}
.academy-cat-card:hover::before { opacity: 1; }
.academy-cat-card-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 6px;
}
.academy-cat-card-subtitle {
    font-size: 0.85rem;
    color: #e0e0e0;
    margin-bottom: 14px;
    line-height: 1.5;
}
.academy-cat-card-count {
    font-size: 0.75rem;
    color: #16A249;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ============ COURSES LISTING PAGE ============ */
.course-cat-tabs {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin: 28px 0;
    border-bottom: 1px solid #1e1e1e;
    padding-bottom: 16px;
}
.course-cat-tab {
    background: transparent;
    border: 1px solid #cfd2d8;
    color: #2d3748;
    padding: 9px 18px;
    border-radius: 24px;
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.2s;
}
.course-cat-tab:hover { border-color: #16A249; color: #16A249; }
.course-cat-tab.active { background: #16A249; border-color: #16A249; color: #fff; }

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 22px;
    margin-bottom: 32px;
}
.course-card {
    display: block;
    background: linear-gradient(45deg, #eeeeee, #ffffff);
    border: 1px solid #d7d7d7;
    border-radius: 12px;
    padding: 22px;
    text-decoration: none;
    transition: all 0.2s;
}
.course-card:hover { transform: translateY(-4px); border-color: #16A249; }
.course-card-cat {
    font-size: 0.7rem;
    color: #136d34;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 10px;
}
.course-card-title {
    font-size: 1.05rem;
    color: #000000;
    margin: 0 0 8px;
    line-height: 1.4;
}
.course-card-subtitle {
    font-size: 0.85rem;
    color: #545353;
    margin: 0 0 16px;
    line-height: 1.5;
}
.course-card-meta {
    font-size: 0.78rem;
    color: #2e2d2d;
    display: flex;
    gap: 14px;
}

.pagination-pub-box { margin-top: 16px; }
.pagination-pub { display: flex; gap: 6px; justify-content: center; flex-wrap: wrap; }
.pag-pub-btn { background: #111; border: 1px solid #222; color: #aaa; padding: 8px 14px; border-radius: 6px; cursor: pointer; font-size: 0.85rem; transition: all 0.2s; }
.pag-pub-btn.active, .pag-pub-btn:hover { border-color: #16A249; color: #16A249; background: rgba(22,162,73,0.1); }

.loading-spinner { text-align: center; padding: 40px; font-size: 1.5rem; color: #16A249; }
@keyframes spin { to { transform: rotate(360deg); } }
.spin { display: inline-block; animation: spin 0.8s linear infinite; }
.no-content-msg { color: #666; text-align: center; padding: 40px 0; }

/* ============ COURSE LESSON DETAIL PAGE ============ */
.course-lesson-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 32px;
    align-items: start;
}
@media (max-width: 900px) {
    .course-lesson-layout { grid-template-columns: 1fr; }
}

.lesson-timeline-aside { position: sticky; top: 20px; }
.lesson-timeline-card {
    background: #111;
    border: 1px solid #1e1e1e;
    border-radius: 12px;
    padding: 18px;
}
.lt-course-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: #e0e0e0;
    margin-bottom: 12px;
    padding-bottom: 12px;
    border-bottom: 1px solid #1e1e1e;
}
.lt-progress-score {
    background: rgba(22,162,73,0.08);
    border: 1px solid #16A249;
    color: #16A249;
    font-size: 0.78rem;
    padding: 8px 12px;
    border-radius: 8px;
    margin-bottom: 14px;
}
.lesson-timeline-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
    max-height: 60vh;
    overflow-y: auto;
}
.lt-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 10px 8px;
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.2s;
    position: relative;
}
.lt-item:hover { background: #1a1a1a; }
.lt-item.active { background: rgba(22,162,73,0.1); }
.lt-num {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: #1a1a1a;
    border: 1px solid #2a2a2a;
    color: #888;
    font-size: 0.7rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 1px;
}
.lt-item.active .lt-num { background: #16A249; border-color: #16A249; color: #fff; }
.lt-info { display: flex; flex-direction: column; gap: 2px; }
.lt-title { font-size: 0.85rem; color: #ccc; line-height: 1.4; }
.lt-item.active .lt-title { color: #16A249; font-weight: 600; }
.lt-meta { font-size: 0.7rem; color: #666; display: flex; align-items: center; gap: 4px; }
.lt-done-icon { color: #16A249; font-size: 0.75rem; }

.lesson-main-article .content-header { margin-bottom: 20px; }
.sep-line-pub {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 32px 0 18px;
    color: #888;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.sep-line-pub::before, .sep-line-pub::after { content: ''; flex: 1; height: 1px; background: #1e1e1e; }

/* ============ QUIZ UI ============ */
.quiz-box {
    background: #111;
    border: 1px solid #1e1e1e;
    border-radius: 12px;
    padding: 24px;
}
.quiz-progress { font-size: 0.75rem; color: #16A249; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 10px; }
.quiz-question-title { font-size: 1.1rem; color: #e0e0e0; margin-bottom: 20px; line-height: 1.5; }
.quiz-options-pub { display: flex; flex-direction: column; gap: 10px; margin-bottom: 24px; }
.quiz-opt-pub {
    display: flex;
    align-items: center;
    gap: 12px;
    background: #1a1a1a;
    border: 1px solid #2a2a2a;
    border-radius: 8px;
    padding: 14px 16px;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 0.9rem;
    color: #ccc;
}
.quiz-opt-pub:hover { border-color: #444; }
.quiz-opt-pub.selected { border-color: #16A249; background: rgba(22,162,73,0.08); color: #fff; }
.quiz-opt-pub input { accent-color: #16A249; width: 18px; height: 18px; pointer-events: none; }
.quiz-nav-pub { display: flex; gap: 12px; justify-content: space-between; }

.quiz-result { text-align: center; padding: 20px 0; }
.quiz-result-icon { font-size: 3rem; color: #16A249; margin-bottom: 12px; }
.quiz-result-score { font-size: 2rem; font-weight: 700; color: #e0e0e0; }
.quiz-result-label { font-size: 0.9rem; color: #888; margin: 6px 0 20px; }

.quiz-review { margin-top: 24px; border-top: 1px solid #1e1e1e; padding-top: 20px; display: flex; flex-direction: column; gap: 18px; }
.quiz-review-q-title { font-size: 0.92rem; color: #e0e0e0; margin-bottom: 10px; }
.quiz-review-opts { display: flex; flex-direction: column; gap: 6px; }
.quiz-review-opt {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: #999;
    padding: 8px 12px;
    border-radius: 6px;
    background: #1a1a1a;
}
.quiz-review-opt.correct-answer { color: #16A249; background: rgba(22,162,73,0.08); }
.quiz-review-opt.wrong-answer { color: #e03237; background: rgba(224,50,55,0.08); }
.correct-mark { margin-left: auto; color: #16A249; }

.lesson-nav-bar {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    margin-top: 36px;
    padding-top: 24px;
    border-top: 1px solid #1e1e1e;
}
.lesson-nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    background: #111;
    border: 1px solid #1e1e1e;
    border-radius: 10px;
    padding: 14px 18px;
    text-decoration: none;
    color: #ccc;
    flex: 1;
    max-width: 320px;
    transition: all 0.2s;
    font-size: 0.85rem;
}
.lesson-nav-link:hover { border-color: #16A249; }
.lesson-nav-link.next { justify-content: flex-end; text-align: right; margin-left: auto; }
.lesson-nav-link small { display: block; color: #666; font-size: 0.7rem; text-transform: uppercase; margin-bottom: 2px; }
.lesson-nav-link i { color: #16A249; font-size: 1.1rem; }



/* ----- Main Content Area (Light Theme) ----- */
.main-content-section {
    background: #f8f9fc;
    padding: 40px 0 60px;
    font-family: 'Segoe UI', Roboto, system-ui, sans-serif;
    border-radius: 40px;
}
.main-content-section .cont {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
}
.midcontent {
    display: flex;
    gap: 30px;
    align-items: flex-start;
}

/* ----- Sidebar (left) ----- */
.midcontent aside {
    flex: 0 0 285px;
    position: sticky;
    top: 20px;
}
.midcontent aside .contbx {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.midcontent aside .card-custom {
    background: #ffffff;
    border-radius: 16px;
    padding: 20px 18px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
    border: 1px solid #e9edf4;
}
.midcontent aside .sidebar-title {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #6b7280;
    margin-bottom: 12px;
    font-weight: 600;
}
/* category filter buttons */
.cat-filter-btn {
    background: transparent;
    border: 1px solid #e5e9f0;
    border-radius: 8px;
    color: #2d3748;
    padding: 8px 14px;
    cursor: pointer;
    text-align: center;
    font-size: 0.9rem;
    transition: all 0.2s ease;
    width: 100%;
}
.cat-filter-btn:hover {
    border-color: #16A249;
    color: #16A249;
    background: rgba(22, 162, 73, 0.06);
}
.cat-filter-btn.active {
    border-color: #16A249;
    background: #16A249;
    color: #fff;
    font-weight: 500;
}
.cat-filter-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

/* search input */
.main-content-section .form-g#formGroupSearch input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #e5e9f0;
    border-radius: 10px;
    font-size: 0.95rem;
    background: #fff;
    transition: 0.2s;
    color: #1a1a1a;
}
.main-content-section .form-g#formGroupSearch input:focus {
    outline: none;
    border-color: #16A249;
    box-shadow: 0 0 0 3px rgba(22, 162, 73, 0.15);
}

/* social card */
.social-card {
    background: #ffffff;
    border-radius: 16px;
    padding: 16px 18px;
    border: 1px solid #e9edf4;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
}
.social-card .d-row {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    justify-content: center;
}
.social-card .d-row a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: #f1f4f9;
    color: #2d3748;
    font-size: 1.25rem;
    transition: 0.2s;
    text-decoration: none;
}
.social-card .d-row a:hover {
    background: #16A249;
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 14px rgba(22, 162, 73, 0.25);
}

/* ----- Content (right) ----- */
.midcontent .content-box {
    flex: 1;
    min-width: 0;
}
.main-bx.all {
    background: #ffffff;
    border-radius: 20px;
    padding: 28px 30px 40px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.03);
    border: 1px solid #eef2f7;
}
.main-bx .head {
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.main-bx .head .main {
    display: flex;
    align-items: center;
    gap: 12px;
}
.main-bx .head .lin {
    display: block;
    width: 4px;
    height: 28px;
    background: linear-gradient(180deg, #16A249, #0f7a3a);
    border-radius: 4px;
}
.main-bx .head .title {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 600;
    color: #1a1a2e;
}

/* ----- Video Grid (Light) ----- */
.videos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 24px;
    margin-top: 20px;
}
.video-card {
    background: #ffffff;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid #e9edf4;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    box-shadow: 0 2px 8px rgba(0,0,0,0.02);
}
.video-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 28px rgba(22, 162, 73, 0.12);
    border-color: #16A249;
}
.video-thumb {
    height: 170px;
    position: relative;
    background-size: cover !important;
    background-position: center !important;
}
.play-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3.2rem;
    color: #fff;
    background: rgba(0,0,0,0.2);
    opacity: 0;
    transition: opacity 0.25s;
}
.video-card:hover .play-overlay {
    opacity: 1;
}
.video-card-dtls {
    padding: 16px 18px 20px;
}
.video-cat {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #16A249;
    background: rgba(22, 162, 73, 0.08);
    padding: 2px 12px;
    border-radius: 20px;
    margin-bottom: 8px;
}
.video-title {
    margin: 0 0 10px;
    font-size: 0.95rem;
    line-height: 1.4;
    font-weight: 500;
}
.video-title a {
    color: #1a1a2e;
    text-decoration: none;
    transition: color 0.2s;
}
.video-title a:hover {
    color: #16A249;
}
.video-meta {
    font-size: 0.8rem;
    color: #7a7f8f;
    display: flex;
    align-items: center;
    gap: 6px;
}
.video-meta i {
    font-size: 0.9rem;
    color: #16A249;
}
.no-content-msg {
    text-align: center;
    padding: 50px 0;
    color: #6b7280;
    font-size: 1rem;
}
.loading-spinner {
    text-align: center;
    padding: 40px 0;
    font-size: 1.8rem;
    color: #16A249;
}
@keyframes spin { to { transform: rotate(360deg); } }
.spin { display: inline-block; animation: spin 0.8s linear infinite; }

/* ----- Pagination (Light) ----- */
.pagination-pub-box {
    margin-top: 36px;
    display: flex;
    justify-content: center;
}
.pagination-pub {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}
.pag-pub-btn {
    background: #f1f4f9;
    border: 1px solid #e5e9f0;
    color: #2d3748;
    padding: 8px 16px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.2s;
    font-weight: 500;
}
.pag-pub-btn.active {
    background: #16A249;
    border-color: #16A249;
    color: #fff;
    box-shadow: 0 4px 10px rgba(22, 162, 73, 0.25);
}
.pag-pub-btn:not(.active):hover {
    background: #e8ecf3;
    border-color: #cbd5e1;
}

/* ----- Breadcrumb (Light) ----- */
.breadcrumb_nav.all {
    background: #ffffff;
    border-radius: 12px;
    padding: 12px 18px;
    border: 1px solid #eef2f7;
    box-shadow: 0 2px 8px rgba(0,0,0,0.02);
    margin-bottom: 4px;
}
.breadcrumb_nav.all .cont {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    padding: 0;
}
.breadcrumb_nav.all .path-page a {
    color: #2d3748;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.85rem;
    transition: color 0.2s;
}
.breadcrumb_nav.all .path-page a:hover {
    color: #16A249;
}
.breadcrumb_nav.all .path-page.mainpg .txt-large {
    color: #16A249;
    font-size: 15px;
    font-weight: 500;
}
.breadcrumb_nav.all .icn {
    color: #9aa2b5;
    font-size: 0.75rem;
    display: inline-flex;
}
.video-date i{
    margin-right: 4px;
}

/* ----- Responsive ----- */
@media (max-width: 992px) {
    .midcontent {
        flex-direction: column;
    }
    .midcontent aside {
        flex: 1 1 auto;
        position: static;
        width: 100%;
    }
    .midcontent aside .contbx {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }
    .midcontent aside .contbx > .card-custom,
    .midcontent aside .contbx > .social-card {
        margin-bottom: 0;
    }
    .midcontent aside .contbx .social-card .d-row {
        justify-content: flex-start;
    }
}
@media (max-width: 768px) {
    .midcontent .content-box {
        width: 100%;
    }
    .midcontent aside .contbx {
        grid-template-columns: 1fr;
    }
    .main-bx.all {
        padding: 20px 18px;
    }
    .videos-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        gap: 16px;
    }
    .video-thumb {
        height: 140px;
    }
    .main-bx .head .title {
        font-size: 1.2rem;
    }
    .main-content-section {
        padding: 20px 0 40px;
    }
}
@media (max-width: 480px) {
    .main-content-section {
        border-radius: 16px;
    }
    .videos-grid {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }
    .video-card-dtls {
        padding: 12px 14px 16px;
    }
    .video-title {
        font-size: 0.85rem;
    }
    .pag-pub-btn {
        padding: 6px 12px;
        font-size: 0.8rem;
    }
}


body.mu .main-content-section{
    border-radius: 0px;
    background: transparent;
}
body.mu .breadcrumb_nav.all{
    background:transparent;
    border-color: #333;
}
body.mu .breadcrumb_nav.all .path-page a{
    color: #aeaeae;
}
body.mu .course-cat-tab{
    color: #aeaeae;
    border-color: #333;
}
body.mu .course-card {
    border-color: #333;
    background: linear-gradient(45deg, #040b09, #358553);
}
body.mu .course-card-cat {
    color: #30d36c;
}
body.mu .course-card-title {
    color: #ffffff;
}
body.mu .course-card-subtitle {
    color: #bfbfbf;
}
body.mu .course-card-meta {
    color: #30d36c;
}
body.mu .main-secs{
    position: relative;
}
body.mu .line-shape{
    z-index: 1;
}
body.mu .course-cat-tab.active{
    color: #ffffff;
}

body.mu .main-content-section .form-g#formGroupSearch input,
body.mu .social-card,
body.mu .midcontent aside .card-custom,
body.mu .main-bx.all {
    background: #040b09;
    border-color: #333;
}
body.mu .main-content-section .form-g#formGroupSearch input{
    color: #bfbfbf;
}
body.mu .social-card .d-row a {
    background: #040b09;
    color: #159f48;
    border: 1px solid #333;
}
body.mu .video-card {
    background: linear-gradient(45deg, #040b09, #0b4a23);
    border: 1px solid #333;
}

body.mu .video-title a {
    color: #ffffff;
}
body.mu .video-meta {
    color: #9b9ea7;
}
body.mu .cat-filter-btn{
    color: #9b9ea7;
    border-color: #333;
}
body.mu .cat-filter-btn.active{
    border-color: #16A249;
    background: #16A249;
    color: #fff;
}

body.mu.ar .course-card {
    background: linear-gradient(-45deg, #040b09, #0b4a23);
}
body.mu .video-card {
    background: linear-gradient(-45deg, #040b09, #0b4a23);
}