/* =========================
   Workshop: Level Section
========================= */

.workshopLevelSection {
    padding: 2.2rem 0 2.2rem;
}

.workshopLevelHeader {
    margin-bottom: 1.2rem;
}

.workshopLevelTitle {
    font-size: 1.8rem;
    font-weight: 800;
    margin: 0;
    line-height: 1.2;
}

/* =========================
   Slider Container
========================= */

.workshopLessonSliderContainer {
    position: relative;
}

/* 左右フェード（横に続く誘導） */
.workshopLessonSliderContainer::before,
.workshopLessonSliderContainer::after {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    width: 3.2rem;
    z-index: 2;
    pointer-events: none;
}

.workshopLessonSliderContainer::before {
    left: 0;
    background: linear-gradient(to right, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0));
}

.workshopLessonSliderContainer::after {
    right: 0;
    background: linear-gradient(to left, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0));
}

/* =========================
   Slider (Horizontal Scroll)
========================= */

.workshopLessonSlider {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: minmax(26rem, 32rem);
    gap: 1.2rem;

    overflow-x: auto;
    overflow-y: hidden;
    padding: 0.4rem 3.2rem 1.0rem;

    scroll-snap-type: x mandatory;
    scroll-padding-left: 3.2rem;
    -webkit-overflow-scrolling: touch;

    scrollbar-width: thin;
}

.workshopLessonSlider::-webkit-scrollbar {
    height: 10px;
}

.workshopLessonSlider::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.06);
    border-radius: 999px;
}

.workshopLessonSlider::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.18);
    border-radius: 999px;
}

/* =========================
   Lesson Card
========================= */

.workshopLessonCard {
    scroll-snap-align: start;

    position: relative;

    border-radius: 1.6rem;
    background: #ffffff;
    border: 1px solid rgba(0, 0, 0, 0.06);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);

    padding: 1.4rem 1.4rem 1.2rem;
    display: flex;
    flex-direction: column;

    min-height: 18.5rem;

    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.workshopLessonCard:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.12);
}

/* =========================
   Card: Top Row (absolute)
========================= */

.workshopLessonCardTopRow {
    position: absolute;
    top: 1.0rem;
    left: 1.0rem;
    right: 1.0rem;

    display: flex;
    align-items: center;
    justify-content: space-between;

    z-index: 2;
    pointer-events: none;
}

.workshopLessonCardStatus {
    pointer-events: none;

    display: inline-flex;
    align-items: center;
    height: 2.2rem;
    padding: 0 0.9rem;
    border-radius: 999px;

    font-size: 1.2rem;
    font-weight: 800;
    letter-spacing: 0.02em;

    border: 1px solid rgba(0, 0, 0, 0.10);
    background: rgba(0, 0, 0, 0.04);
}

/* =========================
   Learning Status Label
========================= */

/* 未習：デフォルト（色なし） */
/* .workshopLessonCardStatus.notStarted {
} */

/* 学習中：ブルー */
.workshopLessonCardStatus.learning {
    background-color: var(--main-color-1);
    border-color: var(--main-color-1);
    color: #000000;
}

/* 既習：ライトパープル */
.workshopLessonCardStatus.learned {
    background-color: var(--main-color-6);
    border-color: var(--main-color-6);
    color: #000000;
}


.workshopLessonCardSettingButton {
    pointer-events: auto;

    width: 3.0rem;
    height: 3.0rem;
    border-radius: 999px;

    border: 1px solid rgba(0, 0, 0, 0.10);
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
    cursor: pointer;

    display: inline-flex;
    align-items: center;
    justify-content: center;

    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.workshopLessonCardSettingButton:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.12);
}

.workshopLessonCardSettingIcon {
    font-size: 1.4rem;
    font-weight: 800;
    line-height: 1;
}

/* =========================
   Card: Header (reserve space)
========================= */

.workshopLessonCardHeader {
    margin-top: 2.4rem;
    margin-bottom: 1.0rem;
}

.workshopLessonCardTitleMain {
    font-size: 1.5rem;
    font-weight: 800;
    line-height: 1.2;
}

.workshopLessonCardTitleSub {
    margin-top: 0.4rem;
    font-size: 1.3rem;
    font-weight: 600;
    opacity: 0.85;
    line-height: 1.3;
    min-height: 1.3em;
}

/* =========================
   Card: Body (Grammar list)
========================= */

.workshopLessonCardBody {
    flex: 1 1 auto;
    margin-top: 0.6rem;
}

.workshopLessonCardGrammarUl {
    margin: 0;
    padding: 0;
    list-style: none;

    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.workshopLessonCardGrammarLi {
    font-size: 1.3rem;
    line-height: 1.3;
    opacity: 0.92;
}

.workshopLessonCardGrammarLi.etc {
    opacity: 0.65;
    font-weight: 700;
}

.workshopLessonCardGrammarLi.empty {
    opacity: 0.55;
}

.workshopLessonCardObjective {
    font-size: var(--main-font-size-2);
}

/* =========================
   Footer
========================= */

.workshopLessonCardFooter {
    margin-top: auto;
    padding-top: 1.1rem;
}

.workshopLessonCardOpenButton {
    width: 100%;
}

/* =========================
   Empty Message
========================= */

.workshopLessonsEmpty {
    padding: 1.4rem 0;
    font-size: 1.4rem;
    opacity: 0.8;
}

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

@media (max-width: 768px) {
    .workshopLessonSlider {
        grid-auto-columns: minmax(22rem, 30rem);
        padding: 0.4rem 2.4rem 1.0rem;
        scroll-padding-left: 2.4rem;
    }

    .workshopLessonSliderContainer::before,
    .workshopLessonSliderContainer::after {
        width: 2.4rem;
    }
}

@media (max-width: 480px) {
    .workshopLevelTitle {
        font-size: 1.6rem;
    }

    .workshopLessonSlider {
        grid-auto-columns: minmax(19rem, 26rem);
        gap: 1.0rem;
        padding: 0.4rem 1.8rem 1.0rem;
        scroll-padding-left: 1.8rem;
    }

    .workshopLessonSliderContainer::before,
    .workshopLessonSliderContainer::after {
        width: 1.8rem;
    }

    .workshopLessonCard {
        padding: 1.2rem 1.2rem 1.0rem;
        min-height: 17.0rem;
    }

    .workshopLessonCardHeader {
        margin-top: 2.2rem;
    }

    .workshopLessonCardTitleMain {
        font-size: 1.4rem;
    }

    .workshopLessonCardTitleSub {
        font-size: 1.2rem;
    }
}