/* Course Detail & Class — distinct journey layouts */

/* —— Shared stepper —— */
.course-journey {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.35rem 0;
    list-style: none;
    margin: 0;
    padding: 0;
    font-size: 0.8125rem;
    font-weight: 600;
}

.course-journey li {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.course-journey li + li::before {
    content: "›";
    font-family: inherit;
    font-weight: 700;
    opacity: 0.45;
    margin: 0 0.35rem;
    font-size: 0.85rem;
    line-height: 1;
}

.course-journey a {
    text-decoration: none;
    color: inherit;
    opacity: 0.75;
}

.course-journey a:hover {
    opacity: 1;
    color: var(--bs-primary);
}

.course-journey .journey-step-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.35rem;
    height: 1.35rem;
    border-radius: 50%;
    font-size: 0.7rem;
    border: 2px solid currentColor;
    flex-shrink: 0;
}

.course-journey li.is-done .journey-step-num {
    background: var(--bs-success);
    border-color: var(--bs-success);
    color: #fff;
}

.course-journey li.is-done .journey-step-num {
    font-size: 0;
}

.course-journey li.is-done .journey-step-num::after {
    content: "✓";
    font-family: inherit;
    font-weight: 700;
    font-size: 0.75rem;
    line-height: 1;
}

.course-journey li.is-done .journey-step-num span {
    display: none;
}

.course-journey li.is-active {
    color: var(--bs-primary);
}

.course-journey li.is-active .journey-step-num {
    background: var(--bs-primary);
    border-color: var(--bs-primary);
    color: #fff;
}

.course-journey li.is-muted {
    opacity: 0.5;
}

/* —— Detail page (intro / pick a class) —— */
.course-detail-hero {
    background: linear-gradient(135deg, #031633 0%, #066ac9 70%, #0a58ca 100%);
    padding: 2rem 0 2.5rem;
    color: #fff;
}

.course-detail-hero .breadcrumb-item,
.course-detail-hero .breadcrumb-item a {
    color: rgba(255, 255, 255, 0.75);
}

.course-detail-hero .breadcrumb-item.active {
    color: #fff;
}

.course-detail-hero .course-journey {
    color: rgba(255, 255, 255, 0.9);
}

.course-detail-hero .course-journey li.is-active {
    color: #ffc107;
}

.course-detail-hero .course-journey li.is-active .journey-step-num {
    background: #ffc107;
    border-color: #ffc107;
    color: #031633;
}

.course-detail-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 50rem;
    padding: 0.25rem 0.85rem;
    font-size: 0.8rem;
    margin-bottom: 0.75rem;
}

.course-detail-sidebar {
    border-radius: 1rem;
    border: 1px solid var(--bs-border-color);
    overflow: hidden;
    background: var(--bs-body-bg);
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.08);
}

.course-detail-sidebar img {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
}

.course-detail-sidebar-body {
    padding: 1.25rem;
}

.course-detail-intro {
    line-height: 1.95;
    font-size: 1.05rem;
}

.course-detail-intro-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding-bottom: 0.75rem;
    margin-bottom: 1rem;
    border-bottom: 3px solid var(--bs-primary);
}

.course-pick-class-header {
    background: var(--bs-light);
    border-radius: 1rem;
    padding: 1.25rem 1.5rem;
    margin-bottom: 1.5rem;
    border: 1px dashed var(--bs-primary);
}

.course-pick-card {
    border: 2px solid var(--bs-border-color);
    border-radius: 1rem;
    overflow: hidden;
    height: 100%;
    transition: border-color 0.25s, box-shadow 0.25s;
    background: var(--bs-body-bg);
}

.course-pick-card:hover {
    border-color: var(--bs-primary);
    box-shadow: 0 10px 28px rgba(6, 106, 201, 0.12);
}

.course-pick-card.is-full {
    opacity: 0.72;
    border-style: dashed;
}

.course-pick-card img {
    width: 100%;
    aspect-ratio: 16/10;
    object-fit: cover;
}

.course-pick-card-body {
    padding: 1rem 1.1rem;
}

.course-pick-card-step {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--bs-primary);
    text-transform: uppercase;
    letter-spacing: 0.02em;
    margin-bottom: 0.35rem;
}

/* —— Class page (enrollment) —— */
.course-class-hero {
    background: linear-gradient(120deg, #1a472a 0%, #198754 45%, #20c997 100%);
    padding: 1.75rem 0 2rem;
    color: #fff;
}

.course-class-hero .breadcrumb-item,
.course-class-hero .breadcrumb-item a {
    color: rgba(255, 255, 255, 0.8);
}

.course-class-hero .course-journey li.is-active {
    color: #fff;
}

.course-class-hero .course-journey li.is-active .journey-step-num {
    background: #fff;
    border-color: #fff;
    color: #198754;
}

.course-class-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50rem;
    padding: 0.35rem 1rem;
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.course-class-enroll-panel {
    border-radius: 1.25rem;
    border: 2px solid var(--bs-success);
    background: linear-gradient(180deg, rgba(25, 135, 84, 0.06) 0%, var(--bs-body-bg) 40%);
    box-shadow: 0 12px 40px rgba(25, 135, 84, 0.15);
    padding: 0;
    overflow: hidden;
    position: sticky;
    top: 5rem;
}

.course-class-enroll-panel__section {
    padding: 1.25rem 1.5rem;
}

.course-class-enroll-panel__head {
    padding-bottom: 1rem;
}

.course-class-enroll-panel__capacity {
    padding-top: 0;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid rgba(25, 135, 84, 0.2);
}

.course-class-enroll-panel__body {
    padding-top: 0.75rem;
    padding-bottom: 0.7rem;
}

.course-class-enroll-panel--enroll-open .course-class-enroll-panel__capacity {
    padding-bottom: 0.75rem;
    border-bottom: none;
}

.course-class-enroll-panel--enroll-open .course-class-enroll-panel__body {
    padding-top: 0;
    padding-bottom: 0;
}

.course-class-enroll-panel__body > *:last-child {
    margin-bottom: 0;
}

.course-class-enroll-panel__foot {
    padding-top: 0;
}

.course-class-enroll-panel h2 {
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--bs-success);
}

.course-class-capacity-label {
    font-size: 0.875rem;
    color: var(--bs-secondary-color);
    display: block;
    margin-bottom: 0.5rem;
}

.class-span {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
    align-items: center;
    padding: 0.75rem 0;
    min-height: 2.75rem;
}

.class-span-seat {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 50%;
    background: var(--bs-body-bg);
    border: 1px solid var(--bs-border-color);
}

.class-span-seat i {
    font-size: 1.1rem;
}

.class-span-seat--filled {
    border-color: rgba(25, 135, 84, 0.35);
    background: rgba(25, 135, 84, 0.08);
}

.class-span-seat--filled i {
    color: var(--bs-success);
}

.class-span-seat--empty i {
    color: var(--bs-danger);
    opacity: 0.85;
}

.course-class-about {
    --course-about-fade: var(--bs-light);
    background: var(--bs-light);
    border-radius: 1rem;
    padding: 1.25rem 1.5rem;
    line-height: 1.9;
    border-right: 4px solid var(--bs-secondary);
}

.course-class-about-label {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--bs-secondary);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin-bottom: 0.5rem;
}

.course-class-about-text {
    position: relative;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 10;
    line-clamp: 10;
    overflow: hidden;
}

.course-class-about-text.is-clamped::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 3.5rem;
    pointer-events: none;
    background: linear-gradient(to bottom, transparent, var(--course-about-fade));
}

.course-class-enroll-panel--enroll-open .course-class-enroll-expand {
    border-top: 2px solid var(--bs-success);
    border-bottom: 2px solid var(--bs-success);
    padding: 0;
    margin: 0 -1.5rem 1rem;
    background: rgba(25, 135, 84, 0.04);
}

.course-class-enroll-panel--enroll-open .course-class-enroll-expand__inner {
    padding: 1rem 1.5rem;
}

.course-class-enroll-guest {
    padding-top: 0;
    margin-top: 0;
    border-top: none;
}

.course-class-enroll-guest h3 {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.course-class-profile-form .form-label {
    font-size: 0.8125rem;
    margin-bottom: 0.25rem;
}

.course-detail-scroll-cta {
    scroll-margin-top: 5.5rem;
}

html {
    scroll-behavior: smooth;
}

.course-class-other-header {
    border-top: 1px solid var(--bs-border-color);
    padding-top: 2rem;
    margin-top: 2rem;
}

.course-class-other-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.85rem 1rem;
    border: 1px solid var(--bs-border-color);
    border-radius: 0.75rem;
    text-decoration: none;
    color: inherit;
    transition: background 0.2s, border-color 0.2s;
}

.course-class-other-item:hover {
    border-color: var(--bs-primary);
    background: rgba(6, 106, 201, 0.04);
    color: inherit;
}

.course-class-other-item img {
    width: 72px;
    height: 54px;
    object-fit: cover;
    border-radius: 0.5rem;
    flex-shrink: 0;
}

@media (max-width: 767.98px) {
    .course-class-enroll-panel {
        position: static;
    }
}

/* —— Intern / step 4 (continuation of class flow) —— */
.course-intern-hero {
    background: linear-gradient(125deg, #0d3d56 0%, #0f5132 50%, #157347 100%);
    padding: 1.75rem 0 2rem;
    color: #fff;
}

.course-intern-hero .breadcrumb-item,
.course-intern-hero .breadcrumb-item a {
    color: rgba(255, 255, 255, 0.8);
}

.course-intern-hero .breadcrumb-item.active {
    color: #fff;
}

.course-intern-hero .course-journey li.is-active {
    color: #fff;
}

.course-intern-hero .course-journey li.is-active .journey-step-num {
    background: #ffc107;
    border-color: #ffc107;
    color: #031633;
}

.course-intern-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: rgba(255, 193, 7, 0.25);
    border: 1px solid rgba(255, 193, 7, 0.45);
    border-radius: 50rem;
    padding: 0.35rem 1rem;
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: #fff;
}

.course-intern-summary-panel {
    border-radius: 1.25rem;
    border: 2px solid rgba(13, 110, 253, 0.35);
    background: linear-gradient(180deg, rgba(13, 110, 253, 0.05) 0%, var(--bs-body-bg) 45%);
    box-shadow: 0 12px 40px rgba(13, 110, 253, 0.1);
    padding: 1.5rem;
    position: sticky;
    top: 5rem;
}

.course-intern-summary-panel h2 {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--bs-primary);
}

.course-intern-spec-card {
    border: 0;
    border-radius: 1rem;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
}

.course-intern-spec-card .list-group-item {
    padding: 0.85rem 0;
}

.course-intern-payment-card {
    border-radius: 1rem;
    border: 1px dashed var(--bs-primary);
    background: var(--bs-light);
    padding: 1.5rem;
}

.course-intern-success-banner {
    border-radius: 1rem;
    border: 1px solid rgba(25, 135, 84, 0.35);
    background: rgba(25, 135, 84, 0.08);
    padding: 1rem 1.25rem;
}

@media (max-width: 767.98px) {
    .course-intern-summary-panel {
        position: static;
    }
}