/* ==========================================================================
   Baharak — Course list (`/products/`)
   Loaded by products/templates/products/list.html and (for shared card
   styles) by detail.html via the extra_head block.
   ========================================================================== */

/* ----- Hero ----- */

.course-hero {
    position: relative;
    isolation: isolate;
    overflow: hidden;
    padding-block: var(--space-7);
    background:
        radial-gradient(40rem 18rem at 90% -20%, var(--color-primary-100) 0%, transparent 65%),
        radial-gradient(32rem 16rem at 5% 130%, var(--color-secondary-50) 0%, transparent 60%),
        linear-gradient(to left, var(--color-primary-50), var(--color-surface));
    border-block-end: 1px solid var(--color-border);
}

.course-hero__inner {
    position: relative;
    z-index: 1;
    width: min(100% - 2.5rem, var(--container-width));
    margin-inline: auto;
    text-align: center;
}

.course-hero__title {
    margin-block-end: var(--space-2);
    color: var(--color-primary-700);
}

.course-hero__title::after {
    content: "";
    display: block;
    width: 3.5rem;
    height: 0.25rem;
    margin: var(--space-3) auto 0;
    background: linear-gradient(to left, var(--color-primary-500), var(--color-secondary-500));
    border-radius: var(--radius-full);
}

.course-hero__subtitle {
    margin: 0;
    color: var(--text-body);
}

/* ----- Layout ----- */

.course-page {
    display: block;
}

.course-container {
    width: min(100% - 2.5rem, var(--container-width));
    margin-inline: auto;
    padding-block: var(--space-6) var(--space-8);
}

/* ----- Toolbar: search + count ----- */

.course-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-3);
    margin-block-end: var(--space-5);
}

.course-search {
    display: flex;
    gap: var(--space-2);
    flex: 1 1 18rem;
    max-inline-size: 26rem;
    background: var(--color-bg-page);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    padding: 0.1875rem 0.25rem 0.1875rem var(--space-2);
    transition: border-color 160ms ease, box-shadow 160ms ease;
}

.course-search:focus-within {
    border-color: var(--color-primary-600);
    box-shadow: 0 0 0 3px var(--color-primary-100);
}

.course-search input {
    flex: 1;
    min-inline-size: 0;
    border: 0;
    background: transparent;
    padding: var(--space-2) var(--space-3);
    font: inherit;
    font-size: var(--text-sm);
    color: var(--text-strong);
}

.course-search input:focus {
    outline: none;
}

.course-search input::placeholder {
    color: var(--text-body);
}

.course-count {
    margin: 0;
    margin-inline-start: auto;
    color: var(--text-body);
    font-size: var(--text-sm);
}

/* ----- Active filter chips ----- */

.course-chip {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    background: var(--color-primary-50);
    color: var(--color-primary-700);
    font-size: var(--text-sm);
}

.course-active-filters {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.course-chip--clear {
    background: transparent;
    border: 1px solid var(--color-border);
    color: var(--text-body);
    cursor: pointer;
}

.course-chip--clear:hover {
    border-color: var(--color-primary-600);
    color: var(--color-primary-700);
    text-decoration: none;
}

/* ----- Category chips (links) ----- */

.course-categories {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-block-end: var(--space-5);
}

.course-category {
    display: inline-block;
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-full);
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    color: var(--text-body);
    font-size: var(--text-sm);
    transition: background-color 160ms ease, color 160ms ease, border-color 160ms ease;
}

.course-category:hover {
    background: var(--color-primary-50);
    color: var(--color-primary-700);
    text-decoration: none;
}

.course-category.is-active {
    background: var(--color-primary-600);
    border-color: var(--color-primary-600);
    color: var(--text-inverse);
    font-weight: 500;
}

/* ----- Grid ----- */

.course-grid {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: var(--space-5);
    grid-template-columns: 1fr;
}

@media (min-width: 40em) {
    .course-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (min-width: 64em) {
    .course-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

/* ----- Card ----- */

.course-card {
    display: flex;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: box-shadow 160ms ease, transform 160ms ease, border-color 160ms ease;
}

.course-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
    border-color: var(--color-primary-100);
}

.course-card__link {
    display: flex;
    flex-direction: column;
    inline-size: 100%;
    color: inherit;
}

.course-card__link:hover {
    text-decoration: none;
}

.course-card__cover {
    position: relative;
    aspect-ratio: 16 / 10;
    display: grid;
    place-items: center;
    background:
        radial-gradient(20rem 10rem at 20% -10%, var(--color-primary-100) 0%, transparent 70%),
        linear-gradient(135deg, var(--color-primary-50), var(--color-secondary-50));
    border-block-end: 1px solid var(--color-border);
}

.course-card__cover img {
    inline-size: 100%;
    block-size: 100%;
    object-fit: cover;
}

.course-card__initial {
    font-size: var(--text-h1);
    font-weight: 700;
    color: var(--color-primary-600);
    opacity: 0.55;
}

.course-card__badge {
    position: absolute;
    inset-block-start: var(--space-3);
    inset-inline-start: var(--space-3);
}

.course-card__body {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    padding: var(--space-5);
    flex: 1;
}

.course-card__title {
    margin: 0;
    font-size: var(--text-lg);
    line-height: var(--line-height-tight);
}

.course-card__title a {
    color: var(--text-strong);
}

.course-card__excerpt {
    margin: 0;
    color: var(--text-body);
    font-size: var(--text-sm);
    line-height: var(--line-height-normal);
}

.course-card__meta {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2) var(--space-4);
    color: var(--text-body);
    font-size: var(--text-xs);
}

.course-card__foot {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    margin-block-start: auto;
    padding-block-start: var(--space-3);
    border-block-start: 1px solid var(--color-border);
}

.course-card__price {
    font-weight: 700;
    color: var(--color-primary-700);
}

.course-card__more {
    color: var(--color-primary-700);
    font-size: var(--text-sm);
    font-weight: 500;
}

.course-card:hover .course-card__more {
    text-decoration: underline;
}

/* ----- Pagination ----- */

.course-pagination {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: var(--space-2);
    margin-block-start: var(--space-7);
}

.page-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-inline-size: 2.5rem;
    padding: var(--space-2) var(--space-3);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface);
    color: var(--text-body);
    font: inherit;
    font-size: var(--text-sm);
    transition: background-color 160ms ease, color 160ms ease, border-color 160ms ease;
}

.page-btn:hover {
    background: var(--color-primary-50);
    color: var(--color-primary-700);
    border-color: var(--color-primary-100);
    text-decoration: none;
}

.page-btn.is-current {
    background: var(--color-primary-600);
    border-color: var(--color-primary-600);
    color: var(--text-inverse);
    font-weight: 700;
}

.page-btn[aria-disabled="true"] {
    color: var(--text-muted);
    background: var(--color-bg-section);
    cursor: not-allowed;
}

.page-ellipsis {
    color: var(--text-muted);
    padding-inline: var(--space-1);
}

/* ----- Empty state ----- */

.course-empty {
    display: grid;
    justify-items: center;
    gap: var(--space-3);
    padding: var(--space-7) var(--space-4);
    text-align: center;
    background: var(--color-surface);
    border: 1px dashed var(--color-border-strong);
    border-radius: var(--radius-lg);
}

.course-empty h2 {
    margin: 0;
    font-size: var(--text-lg);
    color: var(--text-strong);
}

.course-empty p {
    margin: 0;
    color: var(--text-body);
}
/* ----- Breadcrumb (shared by detail + collection pages) ----- */

.course-breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-2);
    margin-block-end: var(--space-5);
    color: var(--text-body);
    font-size: var(--text-sm);
}

.course-breadcrumb a {
    color: var(--color-primary-700);
}

.course-breadcrumb span[aria-current="page"] {
    color: var(--text-strong);
    font-weight: 500;
}

.course-breadcrumb--center {
    justify-content: center;
    margin-block-end: var(--space-3);
}

/* ----- Intro video (course / disorder) ----- */

.course-video {
    margin-block: var(--space-6);
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: var(--text-strong);
    box-shadow: var(--shadow-md);
}

.course-video video {
    display: block;
    inline-size: 100%;
    max-block-size: 30rem;
    background: var(--text-strong);
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xs);
  margin-block-end: var(--space-5);
}
.filter-bar__form {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  width: 100%;
  align-items: end;
}
.filter-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  min-inline-size: 9rem;
  flex: 1 1 9rem;
}
.filter-group--wide { flex: 2 1 14rem; }
.filter-group__label {
  font-size: var(--text-xs);
  color: var(--text-muted);
}
.filter-group__control {
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  font-size: var(--text-sm);
}
.filter-actions {
  display: flex;
  gap: var(--space-2);
  align-self: end;
}