/* ==========================================================================
   Courses — list, detail, lesson, quiz
   ========================================================================== */

.courses-page,
.course-detail-page {
    padding: 0 0 5rem;
}

/* ---- Hero / header on course list ---- */
.courses-page .hero-section {
    background-color: var(--ink) !important;
    padding: 5rem 0 3.5rem;
}

.courses-page .hero-section h1 {
    font-family: var(--font-display);
    color: var(--paper);
}

.courses-page .hero-section .lead {
    color: rgba(244, 245, 240, 0.75);
}

.courses-page .search-bar .form-control {
    border-radius: 999px 0 0 999px;
    border: none;
}

.courses-page .search-bar .btn {
    border-radius: 0 999px 999px 0;
    background-color: var(--copper);
    border-color: var(--copper);
    color: var(--ink);
    font-family: var(--font-mono);
}

.courses-page .search-bar .btn:hover {
    background-color: var(--copper-dark);
    border-color: var(--copper-dark);
}

/* ---- Filters sidebar ---- */
.courses-page .card {
    border: 1px solid var(--line);
    border-radius: 10px;
}

.courses-page .card-header {
    background-color: var(--paper-raised) !important;
    border-bottom: 1px solid var(--line);
    font-family: var(--font-display);
}

.courses-page .list-group-item.active {
    background-color: var(--ink);
    border-color: var(--ink);
    color: var(--paper);
}

.courses-page .list-group-item-action:not(.active):hover {
    background-color: rgba(189, 107, 46, 0.08);
    color: var(--copper);
}

/* ---- Course cards ---- */
.courses-page .course-card {
    border: 1px solid var(--line);
    border-radius: 10px;
    overflow: hidden;
}

.courses-page .course-card .btn-primary {
    background-color: var(--ink);
    border-color: var(--ink);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    border-radius: 999px;
}

.courses-page .course-card .btn-primary:hover {
    background-color: var(--copper);
    border-color: var(--copper);
}

.courses-page .badge.bg-danger {
    background-color: var(--copper) !important;
}

/* ---- Course/lesson header ---- */
.course-detail-page .course-header {
    background-color: var(--ink);
    color: var(--paper);
}

.course-detail-page .course-header h1 {
    font-family: var(--font-display);
    color: var(--paper);
}

.course-detail-page .course-header .lead {
    color: rgba(244, 245, 240, 0.75);
}

.course-detail-page .course-header .text-muted {
    color: rgba(244, 245, 240, 0.65) !important;
}

.course-detail-page .breadcrumb a {
    color: var(--copper);
    text-decoration: none;
}

.course-detail-page .breadcrumb-item.active {
    color: rgba(244, 245, 240, 0.6);
}

/* ---- Sidebar ---- */
.course-detail-page .sidebar-sticky {
    position: sticky;
    top: 5.5rem;
}

.course-detail-page .card {
    border: 1px solid var(--line);
    border-radius: 10px;
}

.course-detail-page .card-header {
    background-color: var(--paper-raised) !important;
    border-bottom: 1px solid var(--line);
    font-family: var(--font-display);
}

/* ---- Lesson content ---- */
.course-detail-page .markdown-content {
    color: var(--ink-soft);
    line-height: 1.7;
}

.course-detail-page .markdown-content h1,
.course-detail-page .markdown-content h2,
.course-detail-page .markdown-content h3 {
    font-family: var(--font-display);
    color: var(--ink);
}

.course-detail-page .markdown-content code {
    font-family: var(--font-mono);
    background: rgba(189, 107, 46, 0.08);
    color: var(--copper-dark);
    padding: 0.1rem 0.35rem;
    border-radius: 4px;
}

/* ---- Nav buttons (prev/next lesson) ---- */
.nav-btn {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-width: 200px;
    max-width: 300px;
    padding: 0.75rem 1rem;
    text-decoration: none;
    border: 1px solid var(--line);
    border-radius: 8px;
    transition: all 0.2s ease;
}

.nav-btn:hover {
    border-color: var(--copper);
}

.nav-title {
    font-weight: 500;
    line-height: 1.2;
}

.btn.btn-primary.nav-btn {
    background-color: var(--ink);
    border-color: var(--ink);
}

.btn.btn-primary.nav-btn:hover {
    background-color: var(--copper);
    border-color: var(--copper);
}

/* ---- Progress bar ---- */
.progress-indicator {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--line);
}

.progress {
    background-color: var(--line);
    border-radius: 10px;
}

.progress-bar {
    background-color: var(--copper);
}

/* ---- Quiz block ---- */
.quiz-block {
    border-top: 2px dashed var(--line);
    padding-top: 2rem;
}

.quiz-title {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 700;
    margin: 0.4rem 0 0.5rem;
}

.quiz-instructions {
    color: var(--ink-soft);
    margin-bottom: 1.25rem;
}

.quiz-result {
    background: rgba(62, 122, 93, 0.1);
    color: var(--circuit);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

.quiz-question {
    margin-bottom: 1.5rem;
}

.quiz-question-text {
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 0.6rem;
}

.quiz-choice {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.5rem 0.8rem;
    border: 1px solid var(--line);
    border-radius: 8px;
    margin-bottom: 0.5rem;
    cursor: pointer;
    color: var(--ink-soft);
    font-size: 0.92rem;
    transition: border-color 0.15s ease;
}

.quiz-choice:hover {
    border-color: var(--copper);
}

.quiz-choice input {
    accent-color: var(--copper);
}

/* ---- Enrolled count (on dark hero) ---- */
.enrolled-count-label {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: rgba(244, 245, 240, 0.75);
    margin-left: 0.75rem;
    display: inline-flex;
    align-items: center;
}

/* ---- Quiz choice correct/incorrect feedback ---- */
.quiz-choice {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.6rem;
}

.quiz-choice-text {
    flex-grow: 1;
}

.quiz-choice--correct {
    border-color: var(--circuit);
    background: rgba(62, 122, 93, 0.08);
}

.quiz-choice--incorrect {
    border-color: var(--alert);
    background: rgba(166, 67, 47, 0.08);
}

.quiz-choice-icon--correct {
    color: var(--circuit);
}

.quiz-choice-icon--incorrect {
    color: var(--alert);
}

/* ---- Reviews ---- */
.reviews-section {
    border-top: 2px dashed var(--line);
    padding-top: 2rem;
}

.rating-summary {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
}

.rating-summary-stars {
    color: var(--copper);
    font-size: 1.3rem;
    letter-spacing: 0.1rem;
}

.rating-summary-text {
    color: var(--ink-soft);
    font-size: 0.9rem;
}

.star-rating {
    display: flex;
    flex-direction: row-reverse;
    justify-content: flex-end;
    gap: 0.2rem;
}

.star-rating input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.star-rating label {
    font-size: 1.8rem;
    color: var(--line);
    cursor: pointer;
    transition: color 0.15s ease;
}

.star-rating input:checked ~ label,
.star-rating input:checked ~ label ~ label,
.star-rating label:hover,
.star-rating label:hover ~ label {
    color: var(--copper);
}

.review-list {
    border-top: 1px solid var(--line);
    padding-top: 1.25rem;
}

.review-item {
    padding: 0.9rem 0;
    border-bottom: 1px solid var(--line);
}

.review-item:last-child {
    border-bottom: none;
}

.review-item-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 0.3rem;
}

.review-item-stars {
    color: var(--copper);
    letter-spacing: 0.05rem;
}

.review-item-comment {
    color: var(--ink-soft);
    font-size: 0.92rem;
    margin: 0;
}

/* ---- Mobile responsiveness ---- */
@media (max-width: 767.98px) {
    .course-detail-page .sidebar-sticky {
        position: static;
    }

    .lesson-nav-row {
        flex-wrap: wrap;
        gap: 0.75rem;
    }

    .nav-btn {
        min-width: 0;
        max-width: 100%;
        width: 100%;
    }

    .courses-page .search-bar .d-flex {
        flex-wrap: wrap;
        gap: 0.5rem;
    }

    .courses-page .search-bar .form-control {
        border-radius: 999px;
        width: 100%;
    }

    .courses-page .search-bar .btn {
        border-radius: 999px;
        width: 100%;
    }
}
.course-detail-page .alert-warning {
    background: rgba(189, 107, 46, 0.08);
    border: 1px solid var(--copper);
    color: var(--ink);
    border-radius: 10px;
}

/* ---- Completion modal ---- */
.modal-content {
    border-radius: 10px;
    border: 1px solid var(--line);
}