/* Course detail layout — uses design tokens from globals.css (loaded in layout). */
/* Main Container */
.course-detail {
    --course-section-gap: clamp(4rem, 10vw, 9.375rem);
    background: var(--color-bg-subtle);
    min-height: 100vh;
    padding-top: 1.5rem;
    padding-bottom: clamp(3rem, 6vw, 5rem);
}

/* Breadcrumb row — same width as home .frame; overrides home .page-breadcrumb-contain (1200px) */
.course-detail > .page-breadcrumb-contain {
    width: var(--layout-width);
    max-width: var(--layout-max-width);
    margin-left: auto;
    margin-right: auto;
    padding: 0.75rem 24px 0;
    box-sizing: border-box;
}

.course-detail .page-breadcrumb--content {
    color: var(--color-text-muted);
    font-size: 13px;
}

.course-detail .page-breadcrumb--content .page-breadcrumb__link:hover {
    color: var(--color-primary);
}

.course-detail .page-breadcrumb--content .page-breadcrumb__current {
    color: var(--color-text);
}

.course-container {
    width: var(--layout-width);
    max-width: var(--layout-max-width);
    margin: 0 auto;
    padding: 1.25rem 24px 3.5rem;
    box-sizing: border-box;
}

.course-layout {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 48px;
    align-items: start;
}

/* Related courses block at bottom of course page */
.course-detail > .courses-section {
    margin-top: 3.5rem;
    margin-bottom: 1rem;
    padding-top: 3rem;
    padding-bottom: 2rem;
}

/* Course hero: title row (full width, directly under breadcrumb) */
.course-header {
    margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--color-border);
}

.course-detail .course-header .course-title {
    margin: 0 0 10px;
    font-size: clamp(1.35rem, 2.8vw, 2.25rem);
    font-weight: 800;
    color: var(--color-text-strong, var(--color-text));
    line-height: 1.15;
    letter-spacing: -0.035em;
    font-family: var(--font-sans);
    max-width: 54ch;
    min-height: unset;
    max-height: none;
    display: block;
    overflow: visible;
    -webkit-line-clamp: unset;
    -webkit-box-orient: unset;
    text-overflow: unset;
}

.course-category {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(51, 122, 183, 0.08);
    color: var(--color-primary);
    border: 1px solid rgba(51, 122, 183, 0.2);
    padding: 8px 14px;
    border-radius: var(--radius-lg, 12px);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    font-family: var(--font-sans);
    transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.course-category:hover {
    background: rgba(51, 122, 183, 0.12);
    border-color: rgba(51, 122, 183, 0.35);
    transform: translateY(-1px);
}

/* Hero media (preview / poster / player) */
.video-wrapper {
    margin-bottom: 8px;
}

/* Video Container */
.video-container {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    background: #0f172a;
    border-radius: var(--radius-lg, 12px);
    overflow: hidden;
    margin-bottom: 28px;
    border: 1px solid var(--color-border);
    box-shadow:
        0 4px 6px rgba(15, 23, 42, 0.04),
        0 20px 50px rgba(15, 23, 42, 0.12);
}

.video-container--poster .video-placeholder::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        transparent 40%,
        rgba(15, 23, 42, 0.55) 100%
    );
    pointer-events: none;
}

.video-container video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.video-placeholder {
    position: relative;
    width: 100%;
    height: 100%;
}

.video-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    z-index: 2;
    transform: translate(-50%, -50%);
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    color: var(--color-primary);
    transition: transform 0.25s ease, filter 0.25s ease;
    filter: drop-shadow(0 8px 24px rgba(15, 23, 42, 0.35));
}

.play-button:focus-visible {
    outline: 2px solid var(--color-focus-ring);
    outline-offset: 6px;
    border-radius: 50%;
}

.play-button--hero .play-button__icon {
    display: block;
    transition: transform 0.25s ease;
}

.play-button--hero:hover {
    transform: translate(-50%, -50%) scale(1.06);
    filter: drop-shadow(0 12px 32px rgba(51, 122, 183, 0.45));
}

.play-button--hero:hover .play-button__icon {
    transform: scale(1.02);
}

.play-button--hero:active {
    transform: translate(-50%, -50%) scale(0.98);
}

@media (prefers-reduced-motion: reduce) {
    .play-button--hero:hover,
    .play-button--hero:active {
        transform: translate(-50%, -50%);
    }

    .play-button--hero:hover .play-button__icon {
        transform: none;
    }

    .course-category:hover {
        transform: none;
    }
}

/* Bunny Stream loading spinner — animation only in CSS */
@keyframes bunny-video-spin {
    to {
        transform: rotate(360deg);
    }
}

.bunny-video-loading__spinner {
    display: inline-block;
    width: 40px;
    height: 40px;
    margin-bottom: 15px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #ffffff;
    animation: bunny-video-spin 1s linear infinite;
}

/* Course body: tab bar (Overview · Feedback · Instructor) */
.course-detail-tabs-wrap {
    margin-top: 1.5rem;
}

.course-tabs {
    display: inline-flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 4px;
    padding: 5px;
    margin-bottom: 1.25rem;
    background: #f1f5f9;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
    max-width: 100%;
    box-shadow: inset 0 1px 2px rgba(15, 23, 42, 0.04);
}

.course-tabs--pill {
    width: 100%;
    box-sizing: border-box;
}

.tab-button {
    flex: 1 1 auto;
    min-width: 0;
    padding: 10px 16px;
    border: none;
    background: transparent;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    border-radius: 12px;
    transition: background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
    font-family: var(--font-sans);
    color: #64748b;
}

.tab-button:hover {
    background: rgba(255, 255, 255, 0.85);
    color: #334155;
}

.tab-button.active {
    background: #ffffff;
    color: var(--color-primary);
    box-shadow: 0 1px 4px rgba(15, 23, 42, 0.1);
}

.tab-content {
    min-height: 80px;
}

.tab-pane {
    display: none;
    animation: course-tab-fade 0.22s ease;
}

.tab-pane.active {
    display: block;
}

@keyframes course-tab-fade {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.course-detail-post-tabs {
    margin-top: 2rem;
}

.course-tab-empty {
    margin: 0;
    padding: 2rem 1.25rem;
    text-align: center;
    color: var(--color-text-muted);
    font-size: 15px;
    font-family: var(--font-sans);
    line-height: 1.55;
}

.course-detail-section {
    background: var(--color-surface);
    border-radius: 12px;
    border: 1px solid var(--color-border);
    box-shadow: 0 4px 24px rgba(15, 23, 42, 0.06);
    padding: 20px 24px;
}

/* Feedback tab: tighter spacing above reviews */
.course-detail-section--feedback {
    padding-top: 12px;
    padding-bottom: 18px;
}

#feedbacks.tab-pane {
    padding-top: 0;
}

#feedbacks .feedback-section__head {
    margin-bottom: 12px;
    padding-bottom: 10px;
}

.course-detail-section--instructor {
    background: linear-gradient(165deg, #eef2f7 0%, #ffffff 52%);
    border-color: #dbeafe;
}


/* Assignments list (when enrolled) */
.course-assignments-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.course-assignment-card {
    border: 1px solid var(--color-border);
    border-radius: 12px;
    background: var(--color-bg-subtle);
    padding: 20px 22px;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.course-assignment-card:hover {
    border-color: rgba(51, 122, 183, 0.35);
    box-shadow: 0 4px 14px rgba(15, 23, 42, 0.06);
}

.course-assignment-card__inner {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    flex-wrap: wrap;
}

.course-assignment-card__title {
    margin: 0 0 8px;
    font-size: 16px;
    font-weight: 700;
    color: var(--color-text);
    font-family: var(--font-sans);
}

.course-assignment-card__desc {
    margin: 0 0 10px;
    color: #666;
    font-size: 14px;
    line-height: 1.5;
    font-family: var(--font-sans);
}

.course-assignment-card__meta {
    font-size: 13px;
    color: #888;
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    font-family: var(--font-sans);
}

.course-assignment-card__actions {
    flex-shrink: 0;
}

.course-assignment-badge {
    display: inline-block;
    padding: 6px 14px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    font-family: var(--font-sans);
}

.course-assignment-badge--success {
    background: #d1e7dd;
    color: #0f5132;
}

.course-assignment-badge--pending {
    background: #cfe2ff;
    color: #084298;
}

.course-assignment-submit.enroll-button {
    padding: 8px 18px !important;
    font-size: 14px !important;
    width: auto !important;
}

/* Course Details */
.course-details {
    background: var(--color-surface);
    padding: 32px;
    border-radius: var(--radius-btn);
    margin-bottom: 32px;
}

.section-title {
    margin: 0 0 20px;
    font-size: 24px;
    font-weight: 700;
    color: var(--color-text);
    font-family: var(--font-sans);
}

.subsection-title {
    margin: 24px 0 16px;
    font-size: 18px;
    font-weight: 600;
    color: var(--color-text);
    font-family: var(--font-sans);
}

.course-description {
    font-size: 15px;
    line-height: 1.7;
    color: var(--color-text);
    margin-bottom: 24px;
    font-family: var(--font-sans);
}

.course-objectives,
.course-requirements {
    list-style: none;
    padding: 0;
    margin: 0 0 24px;
}

.course-objectives li,
.course-requirements li {
    padding: 12px 0 12px 32px;
    position: relative;
    font-size: 15px;
    line-height: 1.6;
    color: var(--color-text);
    font-family: var(--font-sans);
}

.course-objectives li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: bold;
}

.course-requirements li::before {
    content: "•";
    position: absolute;
    left: 8px;
    color: var(--color-primary);
    font-weight: bold;
}

/* Trainer Section */
.trainer-section {
    background: var(--color-surface);
    padding: 32px;
    border-radius: var(--radius-btn);
    margin-bottom: 32px;
}

.trainer-card {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.trainer-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.trainer-info {
    flex: 1;
}

.trainer-name {
    margin: 0 0 4px;
    font-size: 20px;
    font-weight: 600;
    color: var(--color-text);
    font-family: var(--font-sans);
}

.trainer-title {
    margin: 0 0 16px;
    font-size: 14px;
    color: var(--color-text-muted);
    font-family: var(--font-sans);
}

.trainer-stats {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 8px;
    color: var(--color-text-muted);
    font-size: 14px;
    font-family: var(--font-sans);
}

.stat-item svg {
    color: var(--color-primary);
}

/* Feedback Section (inside .course-detail-section) — not .home-feedback (homepage carousel) */
.feedback-section {
    display: flex;
    flex-direction: column;
    width: 100%;
    align-items: stretch;
    margin: 0;
    gap: 0;
}

.feedback-section__head {
    width: 100%;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--color-border);
}

.feedback-section__title {
    margin-bottom: 6px !important;
    margin-top: 0 !important;
}

.feedback-section__intro {
    margin: 0;
    font-size: 15px;
    line-height: 1.55;
    color: var(--color-text-muted);

}

.rating-summary {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 32px;
    width: 100%;
    box-sizing: border-box;
    margin-bottom: 24px;
    padding: 18px 20px 20px;
    border-bottom: none;
    background: linear-gradient(180deg, #fafbfc 0%, #ffffff 100%);
    border-radius: 12px;
    border: 1px solid var(--color-border);
}

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

.rating-number {
    font-size: 48px;
    font-weight: 700;
    color: var(--color-text);
    line-height: 1;
    margin-bottom: 12px;
    font-family: var(--font-sans);
}

.rating-stars {
    display: flex;
    justify-content: center;
    gap: 4px;
    margin-bottom: 8px;
}

.rating-count {
    font-size: 14px;
    color: var(--color-text-muted);
    margin: 0;
    font-family: var(--font-sans);
}

.rating-breakdown {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.rating-row {
    display: grid;
    grid-template-columns: 60px 1fr 50px;
    gap: 12px;
    align-items: center;
}

.rating-label {
    font-size: 14px;
    color: var(--color-text-muted);
    font-family: var(--font-sans);
}

.rating-bar {
    height: 8px;
    background: var(--color-border);
    border-radius: 4px;
    overflow: hidden;
}

.rating-fill {
    height: 100%;
    background: var(--color-primary);
    transition: width 0.3s ease;
}

.rating-percentage {
    font-size: 14px;
    color: var(--color-text-muted);
    text-align: right;
    font-family: var(--font-sans);
}

/* Reviews List */
.reviews-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
    width: 100%;
}

.review-card {
    padding: 24px;
    border: 1px solid var(--color-border);
    border-radius: 12px;
    background: #ffffff;
    box-shadow: 0 2px 12px rgba(15, 23, 42, 0.04);
    transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.review-card:hover {
    border-color: rgba(51, 122, 183, 0.25);
    box-shadow: 0 6px 20px rgba(51, 122, 183, 0.08);
}

.review-header {
    display: flex;
    gap: 16px;
    align-items: center;
    margin-bottom: 12px;
}

.review-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
}

.review-meta {
    flex: 1;
}

.reviewer-name {
    margin: 0 0 4px;
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text);
    font-family: var(--font-sans);
}

.review-date {
    font-size: 13px;
    color: var(--color-text-muted);
    font-family: var(--font-sans);
}

.review-rating {
    display: flex;
    gap: 4px;
}

.review-text {
    margin: 0;
    font-size: 15px;
    line-height: 1.6;
    color: var(--color-text);
    font-family: var(--font-sans);
}

.no-reviews {
    text-align: center;
    padding: 40px;
    color: var(--color-text-muted);
    font-family: var(--font-sans);
}

/* Enrolled user review form */
.course-user-review {
    width: 100%;
    box-sizing: border-box;
    margin-bottom: 1.5rem;
    padding: 1.15rem 1.25rem;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border: 1px solid var(--color-border);
    border-radius: 12px;
}

.course-user-review__row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
}

.course-user-review__heading {
    margin: 0 0 0.6rem;
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-text);
    font-family: var(--font-sans);
}

.course-user-review__comment {
    margin: 0 0 0.35rem;
    color: #4b5563;
    font-size: 15px;
    line-height: 1.55;
}

.course-user-review__meta {
    color: #94a3b8;
    font-size: 13px;
}

.course-user-review__delete-btn {
    background: none;
    border: none;
    color: #dc2626;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    padding: 0.25rem 0.5rem;
    border-radius: 6px;
}

.course-user-review__delete-btn:hover {
    background: #fef2f2;
}

.course-user-review__field {
    margin-bottom: 1rem;
}

.course-user-review__label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    font-size: 14px;
    color: var(--color-text);
}

.course-user-review .rating-input {
    display: flex;
    flex-direction: row-reverse;
    justify-content: flex-end;
    gap: 6px;
}

.course-user-review .rating-input input {
    display: none;
}

.course-user-review .rating-input label {
    cursor: pointer;
    font-size: 26px;
    line-height: 1;
    color: #e2e8f0;
    transition: color 0.15s ease;
}

.course-user-review .rating-input input:checked ~ label,
.course-user-review .rating-input label:hover,
.course-user-review .rating-input label:hover ~ label {
    color: #f59e0b !important;
}

.course-user-review__textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--color-border);
    border-radius: 10px;
    font-size: 15px;
    font-family: inherit;
    resize: vertical;
    min-height: 88px;
    box-sizing: border-box;
}

.course-user-review__textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(51, 122, 183, 0.15);
}

.course-user-review__submit {
    width: auto !important;
    padding: 10px 22px !important;
}

/* Trainee Section */
.trainee-section {
    background: var(--color-surface);
    padding: 32px;
    border-radius: var(--radius-btn);
}

.trainee-info {
    font-size: 15px;
    line-height: 1.7;
    color: var(--color-text);
    font-family: var(--font-sans);
}

.trainee-list {
    list-style: none;
    padding: 0;
    margin: 20px 0 0;
}

.trainee-list li {
    padding: 12px 0 12px 32px;
    position: relative;
    font-size: 15px;
    line-height: 1.6;
    color: var(--color-text);
    font-family: var(--font-sans);
}

.trainee-list li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: bold;
}

/* Sidebar */
.sidebar-sticky {
    position: sticky;
    top: 24px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.course-price-card {
    background: var(--color-surface);
    padding: 24px;
    border-radius: var(--radius-btn);
    border: 2px solid var(--color-primary);
}

.price-header {
    text-align: center;
    margin-bottom: 20px;
}

.price {
    font-size: 36px;
    font-weight: 700;
    color: var(--color-primary);
    font-family: var(--font-sans);
}

.enroll-button {
    width: 100%;
    padding: 14px 24px;
    background: var(--color-primary);
    color: #ffffff;
    border: none;
    border-radius: var(--radius-btn);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: var(--font-sans);
}

.enroll-button:hover {
    background: #2563a8;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(51, 122, 183, 0.3);
}

/* Curriculum Card */
.curriculum-card {
    padding: 24px;
}

.curriculum-title {
    margin: 0 0 12px;
    font-size: 18px;
    font-weight: 600;
    color: var(--color-text);
    font-family: var(--font-sans);
}

.curriculum-stats {
    font-size: 13px;
    color: var(--color-text-muted);
    margin-bottom: 20px;
    display: flex;
    gap: 8px;
    font-family: var(--font-sans);
}

/* Enrolled learner progress (course detail sidebar) */
.curriculum-card--enrolled {
    border: 1px solid rgba(51, 122, 183, 0.18);
    background: linear-gradient(180deg, #f8fbff 0%, #ffffff 42%);
    box-shadow: 0 10px 28px rgba(51, 122, 183, 0.08);
}

.course-enrollment-progress {
    margin-bottom: 1.25rem;
    padding: 1rem 1.1rem;
    border-radius: 12px;
    background: #fff;
    border: 1px solid #e8eef5;
}

.course-enrollment-progress__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 0.65rem;
}

.course-enrollment-progress__label-group {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.course-enrollment-progress__badge {
    display: inline-flex;
    align-items: center;
    width: fit-content;
    padding: 0.15rem 0.55rem;
    border-radius: 999px;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: #1d4f7c;
    background: rgba(51, 122, 183, 0.12);
}

.curriculum-card--enrolled .course-enrollment-progress[data-progress="100"] .course-enrollment-progress__badge {
    color: #166534;
    background: rgba(22, 163, 74, 0.14);
}

.course-enrollment-progress__label {
    font-size: 0.88rem;
    color: var(--color-text-muted);
    font-weight: 500;
}

.course-enrollment-progress__percent {
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1;
    font-variant-numeric: tabular-nums;
}

.course-enrollment-progress__track {
    position: relative;
    width: 100%;
    height: 12px;
    border-radius: 999px;
    overflow: hidden;
    background: #e8edf3;
    box-shadow: inset 0 1px 2px rgba(15, 23, 42, 0.08);
}

.course-enrollment-progress__fill {
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, #2563a8 0%, #337ab7 55%, #4a9ad4 100%);
    transition: width 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}

.course-enrollment-progress[data-progress="100"] .course-enrollment-progress__fill {
    background: linear-gradient(90deg, #15803d 0%, #22c55e 60%, #4ade80 100%);
}

.course-enrollment-progress__meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    margin: 0.65rem 0 0;
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.course-enrollment-progress__complete {
    font-weight: 700;
    color: #15803d;
}

.curriculum-accordion {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.accordion-item {
    border-radius: 8px;
    overflow: hidden;
}

.accordion-header {
    width: 100%;
    padding: 16px;
    background: #f2f5ff;
    border: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: background 0.2s ease;
    text-align: left;
}

.accordion-header:hover {
    background: #e2e8f0;
}

.accordion-title-group {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.accordion-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text);
    font-family: var(--font-sans);
}

.accordion-meta {
    font-size: 12px;
    color: var(--color-text-muted);
    gap: 12px;
    display: flex;
    font-family: var(--font-sans);
}

.accordion-icon {
    transition: transform 0.3s ease;
    color: var(--color-text-muted);
    flex-shrink: 0;
}

.accordion-item.active .accordion-icon {
    transform: rotate(180deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    overflow-y: auto;
    transition: max-height 0.3s ease;
}

.accordion-item.active .accordion-content {
    max-height: 1000px;
}

.lecture-item {
    padding: 16px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.lecture-checkbox {
    width: 18px;
    height: 18px;
    border: 2px solid var(--color-border);
    border-radius: 4px;
    cursor: pointer;
    flex-shrink: 0;
}

.lecture-label {
    flex: 1;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    cursor: pointer;
    font-family: var(--font-sans);
    flex-direction: column;
    gap: 10px;
}

.lecture-title {
    font-size: 14px;
    color: var(--color-text);
}

.lecture-duration {
    font-size: 13px;
    color: var(--color-text-muted);
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

/* Related Courses */
.related-courses {
    background: var(--color-surface);
    padding: 60px 0;
    margin-top: 60px;
}

.related-container {
    margin: 0 40px;
    padding: 24px;
    background: #f8fafc;
    border-radius: 20px;
}

.related-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
}

.related-title {
    margin: 0;
    font-size: 28px;
    font-weight: 700;
    color: var(--color-text);
    font-family: var(--font-sans);
}

.related-navigation {
    display: flex;
    gap: 12px;
}

.ellipse-course {
    position: absolute;
    left: -110px;
    width: 589px;
    height: 640px;
    border-radius: 353.5px;
    filter: blur(100px);
    background: linear-gradient(
        240deg,
        rgba(51, 122, 183, 0.02) 0%,
        rgb(0 46 125 / 29%) 100%
    );
    z-index: 0;
    bottom: -120px;
}

.nav-button {
    border: 1px solid var(--color-border);
    background: #337ab7;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    padding: 10px 16px;
    color: white;
}

.nav-button:hover:not(:disabled) {
    background: #2563a8;
    border-color: var(--color-primary);
    color: #ffffff;
}

.nav-button:disabled {
    background: #a8b1ce;
    opacity: 0.5;
    cursor: not-allowed;
}

.courses-swiper {
    padding: 10px 0;
    overflow: visible;
}

.swiper {
    margin: 0 !important;
    width: 100% !important;
}

.courses-swiper .swiper-wrapper {
    align-items: stretch;
}

.courses-swiper .swiper-slide {
    height: auto;
    display: flex;
    width: auto !important;
    align-items: center;
}

.courses-swiper .swiper-slide:first-child {
    margin-left: 0;
}

.courses-swiper .course-card {
    display: flex;
    flex-direction: column;
    min-width: 280px;
    max-width: 320px;
}

.courses-swiper .course-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.courses-swiper .course-footer {
    margin-top: auto;
}

/* Responsive */
@media (min-width: 1024px) {
    .course-card {
        min-width: 330px;
    }
}

@media (max-width: 1024px) {
    .course-container {
        width: 100%;
        max-width: 100%;
        padding-left: 24px;
        padding-right: 24px;
    }

    .course-detail > .page-breadcrumb-contain {
        width: 100%;
        max-width: 100%;
    }

    .course-layout {
        grid-template-columns: 1fr;
    }

    .course-sidebar {
        order: -1;
    }

    .sidebar-sticky {
        position: static;
    }

    .related-container {
        margin: 0 20px;
        padding: 20px;
    }

    .related-title {
        font-size: 24px;
    }
}

@media (max-width: 768px) {
    .course-detail {
        padding-top: 1rem;
        padding-bottom: 2.5rem;
    }

    .course-detail > .page-breadcrumb-contain {
        padding-top: 0.75rem;
        padding-bottom: 1rem;
    }

    .course-container {
        padding: 1rem 16px 2.5rem;
    }

    .course-header {
        margin-bottom: 1.25rem;
        padding-bottom: 1rem;
    }

    .course-layout {
        gap: 2rem;
    }

    .course-detail > .courses-section {
        margin-top: 2.5rem;
        padding-top: 2rem;
        padding-bottom: 1.5rem;
        padding-left: 16px;
        padding-right: 16px;
    }

    .course-detail-tabs-wrap {
        margin-top: 1.25rem;
    }

    .course-tabs {
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        justify-content: flex-start;
        padding-bottom: 2px;
    }

    .tab-button {
        flex: 0 0 auto;
        white-space: nowrap;
        padding: 10px 16px;
    }

    .rating-summary {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .course-details,
    .trainer-section,
    .trainee-section,
    .course-detail-section {
        padding: 24px 16px;
    }


    .feedback-section {
        padding: 0;
    }

    .related-courses {
        padding: 40px 0;
    }

    .related-container {
        margin: 0 16px;
        padding: 16px;
    }

    .related-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }

    .related-title {
        font-size: 20px;
    }

    .breadcrumb-container {
        padding: 0 16px;
        font-size: 12px;
    }

    .course-header {
        margin-bottom: 24px;
    }

    .course-detail .course-header .course-title {
        font-size: 24px;
    }

    .video-container {
        margin-bottom: 24px;
    }

    .trainer-card {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .trainer-stats {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .related-container {
        margin: 0 12px;
        padding: 12px;
    }

    .course-price-card,
    .curriculum-card {
        padding: 16px;
    }

    .accordion-title {
        font-size: 13px;
    }

    .accordion-meta {
        font-size: 11px;
    }
}

/* ----- Marketing sections: one consistent vertical rhythm ----- */

.course-container--below-hero {
    display: flex;
    flex-direction: column;
    gap: var(--course-section-gap);
    padding-top: 0;
    padding-bottom: 0;
}

.course-container--below-hero > * {
    margin-block: 0 !important;
}

/* No extra margins on blocks — spacing comes from stack rules below */
.course-detail > .course-split-feature,
.course-detail > .course-container--below-hero,
.course-detail > .course-testimonials-section {
    margin-block: 0;
}

/* Equal gap between every marketing section (hero container → … → feedback) */
.course-detail > .course-container + .course-split-feature,
.course-detail > .course-split-feature + .course-container--below-hero,
.course-detail > .course-container--below-hero + .course-split-feature,
.course-detail > .course-container--below-hero + .course-container--below-hero,
.course-detail > .course-container--below-hero + .course-cta-mid,
.course-detail > .course-cta-mid + .course-container--below-hero,
.course-detail > .course-container--below-hero + .course-testimonials-section,
.course-detail > .course-split-feature + .course-testimonials-section {
    margin-top: var(--course-section-gap);
}

.course-detail > .course-container--below-hero + .course-third-cta,
.course-detail > .course-third-cta + .course-testimonials-section {
    margin-top: var(--course-section-gap);
}

.course-detail > .course-container--below-hero + .course-cta-last,
.course-detail > .course-testimonials-section + .course-cta-last,
.course-detail > .course-split-feature + .course-cta-last,
.course-detail > .course-third-cta + .course-cta-last {
    margin-top: var(--course-section-gap);
}

.course-detail > .course-cta-last,
.course-detail > .course-cta-last--flush-footer {
    margin-bottom: 0 !important;
}

/* No gap under last CTA before footer */
.course-detail:has(> .course-cta-last) {
    padding-bottom: 0;
}

.course-detail > .course-testimonials-section:has(+ .course-cta-last) {
    padding-bottom: clamp(1.25rem, 2.5vw, 1.75rem);
}

/* Hero → instructor: clear space below overview / sidebar block */
.course-detail > .course-container + .course-detail__instructor-block {
    margin-top: var(--course-section-gap);
}

/* Instructor → top CTA — same rhythm as other sections */
.course-detail > .course-detail__instructor-block + .course-top-cta {
    margin-top: var(--course-section-gap);
}

/* Top CTA flush against next section (why learn) */
.course-detail > .course-top-cta--flush-bottom,
.course-detail > .course-top-cta.course-top-cta--flush-bottom {
    margin-bottom: 0 !important;
}

.course-detail > .course-top-cta + .course-split-feature,
.course-detail > .course-top-cta--flush-bottom + .course-split-feature {
    margin-top: 0 !important;
}

.course-detail > .course-testimonials-section {
    padding: clamp(1.5rem, 3vw, 2.25rem) 0 clamp(2.5rem, 4vw, 3.5rem);
    background: #f8fafc;
}

.course-testimonials-section .container {
    width: var(--layout-width);
    max-width: var(--layout-max-width);
    margin-inline: auto;
    padding-inline: 24px;
    box-sizing: border-box;
}

.course-testimonials-section .home-feedback.feedback-section {
    margin-top: 0;
    margin-bottom: 0;
    gap: 1.25rem;
    align-items: flex-start;
}

.course-testimonials-section .feedback-title {
    width: 100%;
}

/* Course detail section components: see css/course-detail/*.css (loaded per Blade component) */