/**
 * Courses catalog page — card grid, category intro, sale badges (SomElearning data).
 */

.courses-catalog-page {
    --cc-bg: #ebf5ff;
    --cc-card: #ffffff;
    --cc-text: #14532d;
    --cc-muted: #5c6370;
    --cc-accent: #14532d;
    --cc-green: #16a34a;
    --cc-red: #dc2626;
    font-family: 'Inter', 'Plus Jakarta Sans', system-ui, sans-serif;
    background: var(--cc-bg);
    min-height: 60vh;
}

.courses-catalog-main {
    padding-bottom: 3rem;
}

/* Page hero banner */
.courses-catalog-hero-band {
    position: relative;
    overflow: hidden;
    background:
        linear-gradient(120deg,
            rgba(15, 83, 45, 0.9) 0%,
            rgba(40, 199, 111, 0.75) 50%,
            rgba(20, 83, 45, 0.82) 100%),
        var(--courses-hero-image, url('https://images.unsplash.com/photo-1522202176988-66273c2fd55f?w=1920&q=80')) center/cover no-repeat;
    color: #fff;
}

.courses-catalog-hero {
    padding: 3rem 0 2.75rem;
}

.courses-catalog-hero-inner {
    max-width: 720px;
}

.courses-catalog-hero-kicker {
    display: inline-block;
    margin-bottom: 0.55rem;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.88);
}

.courses-catalog-hero h1 {
    font-size: clamp(1.65rem, 3.2vw, 2.15rem);
    font-weight: 700;
    color: #fff;
    margin: 0 0 0.55rem;
    letter-spacing: -0.02em;
    text-shadow: 0 1px 14px rgba(0, 0, 0, 0.22);
}

.courses-catalog-hero .lead {
    color: rgba(255, 255, 255, 0.92);
    font-size: 1.02rem;
    line-height: 1.6;
    margin: 0;
    max-width: 640px;
}

@media (min-width: 768px) {
    .courses-catalog-hero {
        padding: 3.75rem 0 3.25rem;
    }
}

/* Category intro card (two columns) */
.courses-category-intro {
    background: var(--cc-card);
    border-radius: 14px;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.07);
    border: 1px solid rgba(226, 232, 240, 0.9);
    padding: 1.75rem 1.5rem;
    margin-bottom: 2rem;
    overflow: hidden;
}

.courses-category-intro h2 {
    font-size: clamp(1.25rem, 2.2vw, 1.5rem);
    font-weight: 700;
    color: var(--cc-accent);
    margin-bottom: 1rem;
}

.courses-category-intro .courses-category-body {
    color: var(--cc-text);
    line-height: 1.65;
    font-size: 0.95rem;
}

.courses-category-intro .courses-category-body p {
    margin-bottom: 0.75rem;
    color: var(--cc-muted);
}

.courses-category-intro-img {
    border-radius: 12px;
    overflow: hidden;
    background: linear-gradient(145deg, #e8f4fc, #f1f5f9);
    min-height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.courses-category-intro-img img {
    width: 100%;
    height: auto;
    max-height: 280px;
    object-fit: contain;
    padding: 0.5rem;
}

.courses-category-outline {
    margin-top: 1.25rem;
    padding-top: 1.25rem;
    border-top: 1px solid #e2e8f0;
}

.courses-category-outline h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--cc-accent);
    margin-bottom: 0.65rem;
}

.courses-category-outline ol {
    margin: 0;
    padding-left: 1.25rem;
    color: var(--cc-muted);
    font-size: 0.9rem;
    line-height: 1.7;
}

/* Filters toolbar */
.courses-filters-toolbar {
    background: var(--cc-card);
    border-radius: 12px;
    padding: 1rem 1.25rem;
    border: 1px solid #e2e8f0;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
    margin-bottom: 1.75rem;
}

.courses-filters-toolbar .form-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: #64748b;
    margin-bottom: 0.25rem;
}

.category-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.category-pills .btn {
    border-radius: 999px;
    font-size: 0.875rem;
    font-weight: 500;
    padding: 0.4rem 1rem;
}

.category-pills .btn-primary {
    background: var(--cc-green);
    border-color: var(--cc-green);
}

.category-pills .btn-outline-primary {
    color: var(--cc-accent);
    border-color: #cbd5e1;
}

.category-pills .btn-outline-primary:hover {
    background: #ecfdf5;
    border-color: var(--cc-green);
    color: var(--cc-green);
}

/* Course card */
.course-card-catalog {
    background: var(--cc-card);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.07);
    border: 1px solid rgba(226, 232, 240, 0.95);
    height: 100%;
    display: flex;
    flex-direction: column;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.course-card-catalog:hover {
    transform: translateY(-5px);
    box-shadow: 0 14px 36px rgba(0, 0, 0, 0.12);
}

.course-card-catalog-media {
    position: relative;
    aspect-ratio: 16 / 10;
    background: linear-gradient(135deg, #e2e8f0, #f1f5f9);
    overflow: hidden;
}

.course-card-catalog-img-link {
    position: absolute;
    inset: 0;
    z-index: 0;
    display: block;
}

.course-card-catalog-img-link img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.course-card-catalog-media--placeholder .course-card-catalog-img-link {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: #94a3b8;
}

/* Badges */
.course-card-badge {
    position: absolute;
    top: 0.65rem;
    left: 0.65rem;
    z-index: 4;
    padding: 0.35rem 0.65rem;
    border-radius: 6px;
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 0.02em;
    line-height: 1.2;
    text-transform: uppercase;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.course-card-badge--sale {
    background: var(--cc-red);
    color: #fff;
}

.course-card-badge--free {
    background: var(--cc-green);
    color: #fff;
}

.course-card-badge--featured {
    background: linear-gradient(135deg, #f59e0b, #ea580c);
    color: #fff;
}

/* Instructor avatar on card */
.course-card-instructor {
    position: absolute;
    bottom: 0.65rem;
    right: 0.65rem;
    z-index: 4;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 3px solid #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
    object-fit: cover;
    background: #e2e8f0;
}

.course-card-instructor--ph {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: #64748b;
}

.course-card-catalog-body {
    padding: 1.15rem 1.25rem 1.35rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.course-card-catalog-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--cc-text);
    line-height: 1.35;
    margin: 0 0 0.5rem;
}

.course-card-catalog-title a {
    color: inherit;
    text-decoration: none;
}

.course-card-catalog-title a:hover {
    color: var(--cc-green);
}

.course-card-catalog-excerpt {
    font-size: 0.9rem;
    color: var(--cc-muted);
    line-height: 1.55;
    flex: 1;
    margin-bottom: 0.75rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.course-card-catalog-meta {
    font-size: 0.8rem;
    color: #64748b;
    margin-bottom: 0.75rem;
}

.course-card-catalog-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid #f1f5f9;
    margin-top: auto;
}

.course-card-price {
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--cc-accent);
}

.course-card-price del {
    font-size: 0.85rem;
    font-weight: 500;
    color: #94a3b8;
    margin-right: 0.35rem;
}

.course-card-catalog .btn-enroll {
    background: var(--cc-green);
    border: none;
    color: #fff;
    font-weight: 600;
    padding: 0.45rem 1rem;
    border-radius: 8px;
    font-size: 0.875rem;
    white-space: nowrap;
}

.course-card-catalog .btn-enroll:hover {
    background: #15803d;
    color: #fff;
}

/* List view — image left on tablet+ */
@media (min-width: 768px) {
    .course-card-catalog--list {
        flex-direction: row;
        align-items: stretch;
    }

    .course-card-catalog--list .course-card-catalog-media {
        width: 300px;
        min-width: 300px;
        aspect-ratio: 16 / 10;
        flex-shrink: 0;
    }

    .course-card-catalog--list .course-card-catalog-body {
        flex: 1;
        min-width: 0;
    }
}

.course-card-catalog--list .course-card-catalog-media {
    border-radius: 12px 12px 0 0;
}

@media (min-width: 768px) {
    .course-card-catalog--list .course-card-catalog-media {
        border-radius: 12px 0 0 12px;
    }
}

/* Pagination */
.courses-catalog-page .pagination .page-link {
    color: var(--cc-accent);
    border-radius: 8px;
    margin: 0 0.15rem;
    border-radius: 8px;
}

.courses-catalog-page .pagination .page-item.active .page-link {
    background: var(--cc-green);
    border-color: var(--cc-green);
}

/* Empty state */
.courses-empty {
    text-align: center;
    padding: 3rem 1.5rem;
    background: var(--cc-card);
    border-radius: 14px;
    border: 1px dashed #cbd5e1;
    color: var(--cc-muted);
}

.courses-empty .text-dark,
.courses-empty p.fw-semibold {
    color: var(--cc-text) !important;
}

.courses-filters-toolbar .form-control,
.courses-filters-toolbar .form-select {
    background-color: #fff;
    border-color: #d1d5db;
    color: #111827;
}

/* ===== Dark mode (follows html[data-bs-theme]) ===== */
[data-bs-theme="dark"] .courses-catalog-page {
    --cc-bg: #111827;
    --cc-card: #1f2937;
    --cc-text: #f3f4f6;
    --cc-muted: #9ca3af;
    --cc-accent: #e5e7eb;
    --cc-green: #22c55e;
    background: var(--cc-bg);
    color: var(--cc-text);
}

[data-bs-theme="dark"] .courses-catalog-hero h1 {
    color: #fff;
}

[data-bs-theme="dark"] .courses-catalog-hero .lead {
    color: rgba(241, 245, 249, 0.92);
}
[data-bs-theme="dark"] .courses-category-intro h2,
[data-bs-theme="dark"] .courses-category-outline h3,
[data-bs-theme="dark"] .course-card-catalog-title,
[data-bs-theme="dark"] .course-card-price {
    color: var(--cc-accent);
}

[data-bs-theme="dark"] .courses-category-intro,
[data-bs-theme="dark"] .courses-filters-toolbar,
[data-bs-theme="dark"] .course-card-catalog,
[data-bs-theme="dark"] .courses-empty {
    background: var(--cc-card);
    border-color: #374151;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
}

[data-bs-theme="dark"] .courses-category-intro-img {
    background: linear-gradient(145deg, #374151, #1f2937);
}

[data-bs-theme="dark"] .courses-category-outline {
    border-top-color: #374151;
}

[data-bs-theme="dark"] .courses-filters-toolbar .form-label,
[data-bs-theme="dark"] .course-card-catalog-meta {
    color: #9ca3af;
}

[data-bs-theme="dark"] .courses-filters-toolbar .form-control,
[data-bs-theme="dark"] .courses-filters-toolbar .form-select {
    background-color: #111827 !important;
    border-color: #4b5563 !important;
    color: #f3f4f6 !important;
}

[data-bs-theme="dark"] .courses-filters-toolbar .form-control::placeholder {
    color: #9ca3af !important;
}

[data-bs-theme="dark"] .courses-filters-toolbar .form-select option {
    background: #1f2937;
    color: #f3f4f6;
}

[data-bs-theme="dark"] .category-pills .btn-outline-primary {
    color: #e5e7eb;
    border-color: #4b5563;
    background: transparent;
}

[data-bs-theme="dark"] .category-pills .btn-outline-primary:hover {
    background: rgba(34, 197, 94, 0.15);
    border-color: #22c55e;
    color: #86efac;
}

[data-bs-theme="dark"] .course-card-catalog-footer {
    border-top-color: #374151;
}

[data-bs-theme="dark"] .course-card-catalog-media {
    background: linear-gradient(135deg, #374151, #1f2937);
}

[data-bs-theme="dark"] .courses-empty {
    border-style: dashed;
    border-color: #4b5563;
    color: #d1d5db;
}

[data-bs-theme="dark"] .courses-empty .text-dark,
[data-bs-theme="dark"] .courses-empty p.fw-semibold {
    color: #f9fafb !important;
}

[data-bs-theme="dark"] .courses-catalog-page .pagination .page-link {
    background: #1f2937;
    border-color: #374151;
    color: #e5e7eb;
}

[data-bs-theme="dark"] .courses-catalog-page .pagination .page-item.active .page-link {
    background: var(--cc-green);
    border-color: var(--cc-green);
    color: #fff;
}

[data-bs-theme="dark"] .courses-catalog-page .btn-outline-secondary {
    color: #e5e7eb;
    border-color: #4b5563;
}