/* ==========================================================================
   Curriculum Page Template
   ========================================================================== */

/* --- Degree Tabs (top-level, multi-degree template) --- */
.curriculum-degrees__tabs {
    display: flex;
    flex-wrap: wrap;
    gap: clamp(1.5rem, 4vw, 3rem);
    border-bottom: 1px solid var(--ccs-color-gray-light);
    padding-top: clamp(1.5rem, 4vw, 3rem);
}

.curriculum-degrees__tab {
    position: relative;
    padding: 0 0 1rem;
    background: none;
    border: none;
    cursor: pointer;
    font-family: var(--ccs-font-heading);
    font-size: var(--ccs-text-lg);
    font-weight: 700;
    line-height: 1.1;
    color: var(--ccs-color-text-muted);
    transition: color var(--ccs-transition);
}

.curriculum-degrees__tab:hover,
.curriculum-degrees__tab--active {
    color: var(--ccs-color-black);
}

.curriculum-degrees__tab::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: -1px;
    height: 2px;
    background: var(--ccs-color-black);
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform var(--ccs-transition);
}

.curriculum-degrees__tab--active::after {
    transform: scaleX(1);
}

.curriculum-degrees__tab:focus-visible {
    outline: 2px solid var(--ccs-color-primary);
    outline-offset: 2px;
}

/* Only the active degree renders. Driven by the --active class (kept in sync
   by curriculum-scripts.js) so visibility never depends on the native [hidden]
   attribute surviving a CSS reset. */
.curriculum-degree[hidden],
.curriculum-degree:not(.curriculum-degree--active) {
    display: none;
}

@media (prefers-reduced-motion: reduce) {
    .curriculum-degrees__tab,
    .curriculum-degrees__tab::after {
        transition: none;
    }
}

/* --- Year Filter (matches programs-filter pattern) --- */
.curriculum-filter {
    padding: clamp(1.5rem, 4vw, 3rem) 0;
}

.curriculum-filter__wrapper {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.curriculum-filter__label {
    font-family: var(--ccs-font-body);
    font-size: 0.9375rem;
    font-weight: 500;
    white-space: nowrap;
}

.curriculum-filter__buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.curriculum-filter__btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1.25rem;
    border: 1px solid #e0e0e0;
    border-radius: var(--ccs-radius-md);
    background: #f5f5f5;
    color: var(--ccs-color-black);
    font-family: var(--ccs-font-body);
    font-size: 0.9375rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--ccs-transition);
}

.curriculum-filter__btn:hover {
    background: #e8e8e8;
    border-color: #ccc;
}

.curriculum-filter__btn--active {
    background: var(--ccs-color-primary);
    border-color: var(--ccs-color-primary);
    color: var(--ccs-color-black);
}

.curriculum-filter__btn--active:hover {
    background: var(--ccs-color-primary);
    border-color: var(--ccs-color-primary);
}

/* --- Year Panels --- */
.curriculum-content {
    padding-bottom: var(--wp--preset--spacing--lg);
}

/* Only the active year within a degree renders. Class-driven (see note on
   .curriculum-degree above) so it holds even if [hidden] is stripped. */
.curriculum-year[hidden],
.curriculum-year:not(.curriculum-year--active) {
    display: none;
}

/* --- Section Headings --- */
.curriculum-section {
    margin-bottom: clamp(2rem, 5vw, 4rem);
}

.curriculum-section__heading {
    font-family: var(--ccs-font-heading);
    font-size: var(--ccs-text-xl);
    font-weight: 700;
    line-height: 1.2;
    margin: 0 0 1.5rem;
    color: var(--ccs-color-black);
}

/* --- Course Rows (shared with curriculum block) --- */
.curriculum__list {
    display: flex;
    flex-direction: column;
}

/* --- Course Group Subhead (e.g. "Choose One:") --- */
.curriculum__group-subhead {
    font-family: var(--ccs-font-body);
    font-size: var(--ccs-text-base);
    font-weight: 500;
    color: var(--ccs-color-black);
    padding: 1.25rem 0 0.25rem;
}

/* Tighten the row directly under a subhead so the group reads as one unit. */
.curriculum__group-subhead + .curriculum__item {
    border-top: none;
}

.curriculum__item {
    border-bottom: 1px solid var(--ccs-color-gray-light);
}

.curriculum__item:first-child {
    border-top: 1px solid var(--ccs-color-gray-light);
}

.curriculum__row {
    display: grid;
    grid-template-columns: 10rem 1fr 5rem 15rem;
    align-items: center;
    gap: 2rem;
    padding: 1.25rem 0;
}

.curriculum__field {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.curriculum__label {
    font-family: var(--ccs-font-body);
    font-size: var(--ccs-text-xs);
    color: var(--ccs-color-text-muted);
}

.curriculum__value {
    font-family: var(--ccs-font-heading);
    font-size: var(--ccs-text-base);
    font-weight: 700;
    line-height: 1.3;
}

/* --- Expandable Row --- */
.curriculum__item--expandable .curriculum__row {
    cursor: pointer;
}

.curriculum__item--expandable .curriculum__row:hover {
    opacity: 0.7;
}

.curriculum__item--expandable .curriculum__row:focus-visible {
    outline: 2px solid var(--ccs-color-primary);
    outline-offset: 2px;
}

/* --- Toggle Indicator --- */
.curriculum__toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--ccs-font-body);
    font-size: var(--ccs-text-sm);
    color: var(--ccs-color-black);
    white-space: nowrap;
}

.curriculum__toggle-icon {
    transition: transform var(--ccs-transition);
    flex-shrink: 0;
}

.curriculum__item.is-open .curriculum__toggle-icon {
    transform: rotate(180deg);
}

/* --- Expandable Panel --- */
.curriculum__panel[hidden] {
    display: none;
}

.curriculum__panel {
    display: grid;
    grid-template-columns: 10rem 1fr 5rem 15rem;
    gap: 0 2rem;
    padding: 0 0 1.5rem;
}

.curriculum__description {
    grid-column: 1 / 4;
    font-family: var(--ccs-font-body);
    font-size: var(--ccs-text-sm);
    line-height: 1.6;
    margin-bottom: 1.25rem;
}

.curriculum__description p {
    margin: 0 0 0.75rem;
}

.curriculum__description p:last-child {
    margin-bottom: 0;
}

.curriculum__images {
    grid-column: 1 / 4;
    display: flex;
    gap: 1rem;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 0.5rem;
}

.curriculum__image {
    flex: 0 0 auto;
    width: 10rem;
    height: 7rem;
    border-radius: var(--ccs-radius-md);
    overflow: hidden;
    background: var(--ccs-color-gray-light);
}

.curriculum__img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 900px) {
    .curriculum-filter__wrapper {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }
}

@media (max-width: 768px) {
    .curriculum-degrees__tabs {
        gap: 1.5rem;
        overflow-x: auto;
        flex-wrap: nowrap;
        -webkit-overflow-scrolling: touch;
    }

    .curriculum-degrees__tab {
        font-size: var(--ccs-text-md);
        white-space: nowrap;
    }

    .curriculum-filter__wrapper {
        padding-left: 16px;
        padding-right: 16px;
    }

    .curriculum-filter__buttons {
        gap: 0.375rem;
    }

    .curriculum-filter__btn {
        font-size: 0.8125rem;
        padding: 0.5rem 1rem;
    }

    .curriculum__row {
        grid-template-columns: 1fr 1fr;
        gap: 1rem;
    }

    .curriculum__field--title {
        grid-column: 1 / -1;
        order: -1;
    }

    .curriculum__toggle-cell {
        grid-column: 1 / -1;
    }

    .curriculum__panel {
        grid-template-columns: 1fr;
    }

    .curriculum__description,
    .curriculum__images {
        grid-column: 1;
    }

    .curriculum__image {
        width: 8rem;
        height: 5.5rem;
    }
}