/* -------------------------------- */
/* CPaT Course Filter Dropdown      */
/* (Tablet / Mobile variant of the  */
/*  L1 course-category filter bar)  */
/* -------------------------------- */

.cpat-course-filter {
    position: relative;
    width: 100%;
}

/* Closed-state toggle button */
.cpat-course-filter__toggle {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: clamp(8px, calc(6.524px + 0.428vw), 12px) clamp(12px, calc(11.262px + 0.214vw), 14px);
    background: #FFFFFF30 !important;
    border: none;
    font-size: clamp(12px, calc(11.262px + 0.214vw), 14px);
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s ease, box-shadow 0.2s ease;
    font-family: inherit;
}

.cpat-course-filter__toggle:hover {
    background: #FFFFFF4D !important;
}

.cpat-course-filter__toggle-label {
    text-align: left;
}

.cpat-course-filter__chevron {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    margin-left: 12px;
    color: #ffffff;
    transition: transform 0.25s ease;
}

.cpat-course-filter.is-open .cpat-course-filter__chevron {
    transform: rotate(180deg);
}

/* Open-state panel (mirrors scrolled sticky-header submenu) */
.cpat-course-filter__panel {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 6px;
    box-shadow:
        rgba(0, 0, 0, 0.1) 0px 10px 15px -3px,
        rgba(0, 0, 0, 0.1) 0px 4px 6px -4px;
    padding: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-4px);
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
    z-index: 100;
}

.cpat-course-filter.is-open .cpat-course-filter__panel {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}

.cpat-course-filter__list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.cpat-course-filter__item {
    margin: 0;
}

.cpat-course-filter__link {
    display: block;
    padding: 10px 12px;
    font-size: clamp(12px, calc(11.262px + 0.214vw), 14px);
    font-weight: 400;
    line-height: 1.4;
    color: #212D33;
    text-decoration: none;
    border-radius: 6px;
    transition: color 0.15s cubic-bezier(0.4, 0, 0.2, 1),
                background-color 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

.cpat-course-filter__link:hover,
.cpat-course-filter__link:focus-visible {
    color: #1F262E;
    background: #F3F5F6;
    outline: none;
}

/* Active state (current term archive) */
.cpat-course-filter__item.is-active .cpat-course-filter__link {
    color: #72BE44;
    background: rgba(200, 200, 200, 0.15);
    font-weight: 500;
}