:root {
    --primary: #635bff;
    --primary2: #7c3aed;
    --brand-maroon: #9f1f4f;
    --brand-green: #68a33f;
        --dark: #172033;
    --muted: #7c879b;
    --bg: #f6f7fb;
    --line: #e9ecf2;
    --success: #16a34a;
}

* {
    box-sizing: border-box
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--dark);
    font-family: "Inter", sans-serif;
}

.navbar {
    height: 72px;
    background: #fff;
    border-bottom: 1px solid var(--line)
}

.brand {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
}

.brand-logo {
    display: block;
    width: auto;
    height: 58px;
    max-width: 230px;
    object-fit: contain
}

.brand span {
    color: var(--primary)
}

.avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary2));
    color: #fff;
    display: grid;
    place-items: center;
    font-weight: 700
}

.lang-toggle {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    border: 1px solid var(--line);
    background: #fff;
    border-radius: 999px;
    cursor: pointer;
    box-shadow: 0 8px 18px rgba(15, 23, 42, .04)
}

.lang-option {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 28px;
    height: 24px;
    font-size: 11px;
    font-weight: 800;
    color: var(--muted)
}

.lang-option.active {
    color: var(--primary)
}

.lang-divider {
    font-size: 12px;
    color: var(--muted)
}

.user-menu-wrap {
    position: relative
}

.user-menu-trigger {
    display: flex;
    align-items: center;
    gap: 10px;
    background: transparent;
    border: 0;
    padding: 0;
    color: var(--dark);
    cursor: pointer
}

.user-menu-caret {
    font-size: 11px;
    color: var(--muted);
    transition: transform .2s ease
}

.user-menu-trigger[aria-expanded="true"] .user-menu-caret {
    transform: rotate(180deg)
}

.user-dropdown {
    position: absolute;
    right: 0;
    top: calc(100% + 12px);
    min-width: 180px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 14px;
    box-shadow: 0 18px 40px rgba(15, 23, 42, .12);
    padding: 10px;
    display: none;
    z-index: 1200
}

.user-dropdown.show {
    display: block
}

.user-dropdown-title {
    padding: 10px 12px 8px;
    font-size: 12px;
    font-weight: 700;
    color: var(--muted);
    border-bottom: 1px solid var(--line);
    margin-bottom: 8px
}

.user-dropdown-item {
    display: block;
    width: 100%;
    text-align: left;
    padding: 10px 12px;
    border-radius: 10px;
    font-size: 14px;
    color: var(--dark);
    text-decoration: none;
    transition: .2s;
    border: 0;
    background: transparent;
    cursor: pointer;
}

.user-dropdown-item:hover {
    background: #f6f7fb;
    color: var(--primary)
}

.user-dropdown-item.logout {
    color: #d93d3d
}

.page {
    padding: 38px 0 60px
}

.portal-login-wrap {
    min-height: calc(100vh - 150px);
    display: grid;
    place-items: center;
    padding: 30px 0
}

.portal-login-card {
    width: min(460px, 100%);
    padding: 34px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 22px;
    box-shadow: 0 20px 55px rgba(32, 93, 98, .12)
}

.portal-login-heading {
    margin-bottom: 26px
}

.portal-login-heading h1 {
    margin: 8px 0;
    color: var(--brand-maroon);
    font-size: 30px;
    font-weight: 800
}

.portal-login-heading p {
    margin: 0;
    color: var(--muted)
}

.portal-login-card .form-control {
    min-height: 48px;
    border-color: var(--line);
    border-radius: 12px
}

.portal-login-card .form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 .2rem rgba(25, 174, 190, .14)
}

.eyebrow {
    font-size: 13px;
    font-weight: 700;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: .08em
}

.title {
    font-weight: 800;
    font-size: 34px;
    letter-spacing: -1px
}

.subtitle {
    color: var(--muted)
}

.btn-main {
    background: var(--primary);
    color: #fff;
    border: 0;
    border-radius: 11px;
    padding: 11px 16px;
    font-weight: 700;
    text-decoration: none;
    display: inline-block
}

.btn-main:hover {
    background: #138f9d;
    color: #fff
}

.btn-soft {
    background: #e6f7f8;
    color: var(--primary);
    border: 0;
    border-radius: 11px;
    padding: 11px 16px;
    font-weight: 700;
    text-decoration: none;
    display: inline-block
}

.btn-soft:hover {
    background: #d4f0f2;
    color: var(--primary)
}

/* Course Card - from first file */
.course-card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 18px;
    overflow: hidden;
    height: 100%;
    transition: .25s;
    box-shadow: 0 4px 18px rgba(20, 30, 55, .03)
}

.course-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 14px 35px rgba(20, 30, 55, .09)
}

.thumb {
    height: 200px;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--primary), var(--primary2));
    cursor: pointer
}

.thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: saturate(1.1)
}

.thumb::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(12, 16, 28, .08), rgba(12, 16, 28, .38));
    z-index: 1
}

.thumb .video-preview {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    z-index: 2
}

.thumb .play-button {
    width: 58px;
    height: 58px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .9);
    display: grid;
    place-items: center;
    box-shadow: 0 8px 20px rgba(20, 30, 55, .15)
}

.thumb .play-button i {
    font-size: 22px;
    color: var(--primary);
    margin-left: 4px
}

.thumb .tag {
    position: absolute;
    top: 14px;
    left: 14px;
    background: rgba(255, 255, 255, .94);
    padding: 6px 10px;
    border-radius: 8px;
    font-size: 11px;
    font-weight: 800;
    z-index: 3
}

.video-modal {
    position: fixed;
    inset: 0;
    background: rgba(9, 12, 18, .72);
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
    z-index: 2000
}

.video-modal.show {
    display: flex
}

.video-modal-panel {
    width: min(900px, 100%);
    background: #fff;
    border-radius: 18px;
    overflow: hidden;
    box-shadow: 0 24px 60px rgba(0, 0, 0, .35)
}

.video-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 18px;
    border-bottom: 1px solid var(--line);
    font-weight: 700
}

.video-modal-close {
    border: 0;
    background: #f3f4f7;
    color: var(--dark);
    width: 34px;
    height: 34px;
    border-radius: 10px;
    font-size: 18px;
    cursor: pointer
}

.video-frame {
    display: block;
    width: 100%;
    height: 500px;
    background: #000
}

.video-frame video,
.video-frame iframe {
    width: 100%;
    height: 100%;
    object-fit: cover
}

.video-frame iframe {
    display: none;
    border: 0
}

.card-body {
    padding: 20px
}

.course-title {
    font-size: 18px;
    font-weight: 750;
    margin-bottom: 8px
}

.course-desc {
    font-size: 13px;
    color: var(--muted);
    line-height: 1.55;
    min-height: 40px
}

.meta {
    display: flex;
    gap: 16px;
    color: #7d8797;
    font-size: 12px;
    margin: 15px 0
}

.meta i {
    color: var(--primary)
}

.progress {
    height: 6px;
    background: #edf0f5;
    border-radius: 20px
}

.progress-bar {
    background: linear-gradient(90deg, var(--primary), var(--primary2));
    border-radius: 20px
}

.progress-text {
    font-size: 11px;
    color: var(--muted);
    margin-top: 7px
}

.course-toolbar {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 20px;
    padding: 25px 28px;
    box-shadow: 0 5px 22px rgba(20, 30, 55, .035)
}

.pagination-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 28px;
    padding: 14px 10px 0
}

.page-numbers {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap
}

.page-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 14px;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: #fff;
    color: var(--dark);
    text-decoration: none;
    font-size: 14px;
    font-weight: 700;
    transition: .2s ease
}

.page-link:hover {
    border-color: #dfe3ee;
    color: var(--primary)
}

.page-link.active {
    background: linear-gradient(135deg, var(--primary), var(--primary2));
    border-color: transparent;
    color: #fff;
    box-shadow: 0 10px 20px rgba(25, 174, 190, .22)
}

.page-link.disabled {
    opacity: .5;
    pointer-events: none
}

.course-search {
    width: 100%
}

.course-search i {
    position: absolute;
    left: 15px;
    top: 14px;
    color: #98a1b2;
    z-index: 2
}

.course-search .form-control {
    height: 46px;
    border: 1px solid var(--line);
    background: #f8f9fc;
    border-radius: 12px;
    padding-left: 42px;
    font-size: 13px;
    box-shadow: none
}

.course-menu {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    border-top: 1px solid #f0f1f4;
    padding-top: 18px;
    margin-top: 18px
}

.course-menu-item {
    border: 0;
    background: transparent;
    color: #7b8495;
    padding: 9px 15px;
    border-radius: 9px;
    font-size: 13px;
    font-weight: 700;
    transition: .2s
}

.course-menu-item.active {
    background: #e6f7f8;
    color: var(--primary)
}

.sidebar {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 20px;
    padding: 18px 16px;
    position: sticky;
    top: 98px;
    box-shadow: 0 5px 22px rgba(20, 30, 55, .03)
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 14px
}

.sidebar-title {
    font-size: 12px;
    font-weight: 800;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: .08em;
    padding: 0 8px
}

.mobile-menu-toggle {
    display: none;
    width: 42px;
    height: 42px;
    border: 1px solid var(--line);
    background: #f7f8fc;
    border-radius: 10px;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
    padding: 0;
    cursor: pointer
}

.mobile-menu-toggle span {
    display: block;
    width: 18px;
    height: 2px;
    background: var(--dark);
    border-radius: 2px
}

.mobile-menu-overlay {
    position: fixed;
    inset: 0;
    background: rgba(23, 32, 51, .5);
    opacity: 0;
    pointer-events: none;
    transition: opacity .25s ease;
    z-index: 1033
}

.mobile-menu-overlay.show {
    opacity: 1;
    pointer-events: auto
}

body.menu-locked {
    overflow: hidden
}

.side-menu {
    display: flex;
    flex-direction: column;
    gap: 8px
}

.side-menu-item {
    display: block;
    width: 100%;
    text-align: left;
    background: #f7f8fc;
    border: 1px solid transparent;
    color: #2d3748;
    border-radius: 12px;
    padding: 12px 12px;
    font-size: 14px;
    font-weight: 700;
    line-height: 1.4;
    transition: .2s
}

.side-menu-item:hover,
.side-menu-item.active {
    background: #e6f7f8;
    border-color: #bfe6e9;
    color: var(--brand-maroon)
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    margin: 14px 0 12px
}

.video-card {
    background: #f8f9fc;
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 9px 8px;
    display: flex;
    gap: 8px;
    align-items: flex-start
}

.video-count {
    width: 26px;
    height: 26px;
    border-radius: 8px;
    background: linear-gradient(135deg, var(--primary), var(--primary2));
    color: #fff;
    display: grid;
    place-items: center;
    font-size: 11px;
    font-weight: 800;
    flex-shrink: 0
}

.video-label {
    font-size: 11px;
    font-weight: 700;
    color: var(--dark);
    line-height: 1.3
}

.video-meta {
    font-size: 10px;
    color: var(--muted);
    margin-top: 2px
}

/* Player styles - from second file */
.player-wrap {
    background: #121826;
    border-radius: 18px;
    padding: 0;
    overflow: hidden;
    min-height: 450px;
    display: grid;
    place-items: center;
    color: #fff
}

.embedded-player {
    width: 100%;
    min-height: 450px;
    aspect-ratio: 16 / 9;
    border: 0
}

.fake-player {
    text-align: center
}

.play {
    width: 78px;
    height: 78px;
    border-radius: 50%;
    background: var(--primary);
    display: grid;
    place-items: center;
    margin: 0 auto 18px;
    font-size: 25px;
    box-shadow: 0 10px 35px rgba(25, 174, 190, .35)
}

.video-sidebar {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 18px;
    overflow: hidden;
    height: 100%
}

.side-title {
    padding: 20px;
    border-bottom: 1px solid var(--line);
    font-weight: 800
}

.side-lesson {
    padding: 13px 17px;
    border-bottom: 1px solid #f0f1f4;
    display: flex;
    gap: 10px;
    align-items: center;
    font-size: 12px;
    color: var(--dark);
    text-decoration: none
}

.side-lesson.active {
    background: #e6f7f8;
    color: var(--brand-maroon);
    font-weight: 750
}

.side-dot {
    width: 28px;
    height: 28px;
    border-radius: 8px;
    background: #f4f5f8;
    display: grid;
    place-items: center;
    font-size: 10px
}

.side-lesson.done .side-dot {
    background: #e9f8ef;
    color: var(--success)
}

.curriculum-sidebar {
    padding: 18px 0
}

.curriculum-sidebar .sidebar-header {
    padding: 0 16px
}

.curriculum-session {
    border-top: 1px solid var(--line)
}

.curriculum-session-title {
    padding: 13px 16px 9px
}

.curriculum-session-title span {
    display: block;
    margin-bottom: 3px;
    color: var(--primary);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: .06em;
    text-transform: uppercase
}

.curriculum-session-title strong {
    display: block;
    color: var(--dark);
    font-size: 13px;
    line-height: 1.4
}

.curriculum-empty {
    margin: 0;
    padding: 8px 16px 14px;
    color: var(--muted);
    font-size: 12px
}

.back {
    color: #68758a;
    text-decoration: none;
    font-size: 13px;
    font-weight: 650
}

.section-title {
    font-size: 22px;
    font-weight: 800
}
.search {
    max-width: 420px;
}
.form-control, .form-select {
    border: 1px solid var(--line);
    background: #f8f9fc;
    border-radius: 12px;
    padding: 11px 15px 11px 42px;
}
.search i {
    left: 15px;
    top: 13px;
    color: #9aa3b4;
}
 .form-label{
        font-size: 14px;
    }
/* Responsive - combined */
@media (max-width: 991.98px) {
    .navbar {
        height: auto;
        padding: 14px 0
    }

    .page {
        padding-top: 20px
    }

    .container {
        padding-left: 12px;
        padding-right: 12px
    }

    .title {
        font-size: 20px
    }

    .subtitle {
        font-size: 14px
    }

    .course-toolbar {
        padding: 18px 18px
    }

    .course-search {
        width: 100%
    }

    .course-menu {
        overflow-x: auto;
        flex-wrap: nowrap
    }

    .course-menu-item {
        white-space: nowrap
    }

    .side-menu-item {
        font-size: 13px
    }
    .btn-main{
        font-size: 12px;
    }
    .portal-login-heading h1{
        font-size: 18px;
    }
   
}

@media (max-width: 767px) {
    .row.d-flex {
        flex-direction: column
    }

    .row.d-flex > [class*="col-"] {
        width: 100%;
        max-width: 100%;
        flex: 0 0 100%
    }

    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        bottom: 0;
        width: min(82vw, 300px);
        height: 100vh;
        z-index: 1100;
        border-radius: 0 0 0 0;
        padding: 20px 14px;
        margin: 0;
        transform: translateX(-110%);
        transition: transform .25s ease;
        box-shadow: 18px 0 30px rgba(15, 23, 42, .18)
    }

    .sidebar.menu-open {
        transform: translateX(0)
    }

    .mobile-menu-toggle {
        display: flex
    }

    .side-menu {
        gap: 10px
    }

    .side-menu-item {
        padding: 11px 20px
    }

    .video-grid {
        grid-template-columns: 1fr
    }

    .player-wrap {
        min-height: 260px
    }

    .video-sidebar {
        margin-top: 18px
    }

    .course-card {
        border-radius: 16px
    }

    .thumb {
        height: 180px
    }

    .card-body {
        padding: 16px
    }

    .course-title {
        font-size: 14px
    }
}