/* ===== CATALOGO PUBLICO DE CURSOS (ESTUDOS) ===== */

.course-catalog-page {
    --course-radius: 24px;
    --course-radius-sm: 16px;
    --course-shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
    --course-shadow-hover: 0 26px 54px rgba(15, 23, 42, 0.16);
    padding-bottom: 3rem;
}

/* ===== CABECALHO ===== */

.course-hero {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.9rem 2.1rem;
    border: 1px solid rgba(var(--mud-palette-primary-rgb), 0.16);
    border-radius: var(--course-radius);
    background: radial-gradient(circle at 100% 0%, rgba(var(--mud-palette-secondary-rgb), 0.16), transparent 55%), linear-gradient(135deg, rgba(var(--mud-palette-primary-rgb), 0.14) 0%, rgba(var(--mud-palette-primary-rgb), 0.04) 100%), var(--mud-palette-surface);
    box-shadow: var(--course-shadow);
}

.course-hero__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    width: 68px;
    height: 68px;
    border-radius: 20px;
    background: linear-gradient(140deg, var(--mud-palette-primary) 0%, var(--mud-palette-primary-darken) 100%);
    color: var(--mud-palette-primary-text);
    box-shadow: 0 12px 26px rgba(var(--mud-palette-primary-rgb), 0.32);
}

.course-hero__text {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    min-width: 0;
}

.course-hero__eyebrow {
    color: var(--mud-palette-primary);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.course-hero__title {
    margin: 0;
    color: var(--mud-palette-text-primary);
    font-size: clamp(1.7rem, 3.2vw, 2.35rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.02em;
}

.course-hero__subtitle {
    margin: 0;
    color: var(--mud-palette-text-secondary);
    font-size: 0.95rem;
    line-height: 1.5;
}

/* ===== FILTROS ===== */

.course-toolbar {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1.6rem;
}

.course-toolbar__search {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    max-width: 520px;
}

    .course-toolbar__search .mud-input-control {
        flex: 1 1 auto;
        min-width: 0;
    }

.course-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.course-chip {
    padding: 0.42rem 0.95rem;
    border: 1px solid var(--mud-palette-lines-default);
    border-radius: 999px;
    background: var(--mud-palette-surface);
    color: var(--mud-palette-text-secondary);
    font-family: inherit;
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color .2s ease, border-color .2s ease, color .2s ease;
}

    .course-chip:hover {
        border-color: rgba(var(--mud-palette-primary-rgb), 0.45);
        color: var(--mud-palette-primary);
    }

    .course-chip.is-active {
        border-color: var(--mud-palette-primary);
        background: var(--mud-palette-primary);
        color: var(--mud-palette-primary-text);
    }

/* ===== GRADE DE CURSOS ===== */

.course-results {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1rem;
    margin: 1.9rem 0 1rem;
}

.course-results__title {
    margin: 0;
    color: var(--mud-palette-text-primary);
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.course-results__count {
    color: var(--mud-palette-text-secondary);
    font-size: 0.85rem;
    white-space: nowrap;
}

.course-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(270px, 100%), 1fr));
    gap: 1.35rem;
}

.course-card {
    display: flex;
    flex-direction: column;
    padding: 0;
    overflow: hidden;
    border: 1px solid var(--mud-palette-lines-default);
    border-radius: var(--course-radius);
    background: var(--mud-palette-surface);
    box-shadow: var(--course-shadow);
    font-family: inherit;
    text-align: left;
    cursor: pointer;
    transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}

    .course-card:hover,
    .course-card:focus-visible {
        transform: translateY(-4px);
        border-color: rgba(var(--mud-palette-primary-rgb), 0.4);
        box-shadow: var(--course-shadow-hover);
        outline: none;
    }

.course-card__media {
    position: relative;
    aspect-ratio: 16 / 9;
    background: radial-gradient(circle at 50% 35%, rgba(var(--mud-palette-primary-rgb), 0.07), transparent 62%), var(--mud-palette-background-gray);
}

    .course-card__media img {
        width: 100%;
        height: 100%;
        display: block;
        object-fit: cover;
        transition: transform .3s ease;
    }

.course-card:hover .course-card__media img {
    transform: scale(1.05);
}

.course-card__placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    color: rgba(var(--mud-palette-primary-rgb), 0.45);
}

.course-card__flag {
    position: absolute;
    top: 0.8rem;
    right: 0.8rem;
    padding: 0.28rem 0.7rem;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.72);
    color: #fff;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.course-card__body {
    display: flex;
    flex: 1 1 auto;
    flex-direction: column;
    gap: 0.5rem;
    padding: 1.1rem 1.15rem 1.2rem;
}

.course-card__categories {
    overflow: hidden;
    color: var(--mud-palette-primary);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-overflow: ellipsis;
    text-transform: uppercase;
    white-space: nowrap;
}

.course-card__title {
    display: -webkit-box;
    margin: 0;
    overflow: hidden;
    color: var(--mud-palette-text-primary);
    font-size: 1.05rem;
    font-weight: 700;
    line-height: 1.35;
    letter-spacing: -0.01em;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow-wrap: anywhere;
}

.course-card__summary {
    display: -webkit-box;
    margin: 0;
    overflow: hidden;
    color: var(--mud-palette-text-secondary);
    font-size: 0.85rem;
    line-height: 1.5;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
}

.course-card__footer {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: auto;
    padding-top: 0.9rem;
}

.course-card__meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    color: var(--mud-palette-text-secondary);
    font-size: 0.78rem;
    font-weight: 600;
}

.course-card__cta {
    display: inline-flex;
    align-items: center;
    gap: 0.15rem;
    color: var(--mud-palette-primary);
    font-size: 0.85rem;
    font-weight: 700;
    white-space: nowrap;
}

    .course-card__cta .mud-icon-root {
        transition: transform .2s ease;
    }

.course-card:hover .course-card__cta .mud-icon-root {
    transform: translateX(3px);
}

.course-card__progress {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.course-card__progress-label {
    color: var(--mud-palette-text-secondary);
    font-size: 0.74rem;
    font-weight: 600;
}

/* ===== ESTADOS ===== */

.course-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    padding: 3.2rem 1.5rem;
    border: 1px dashed var(--mud-palette-lines-default);
    border-radius: var(--course-radius);
    background: var(--mud-palette-surface);
    text-align: center;
}

.course-empty__icon {
    color: rgba(var(--mud-palette-primary-rgb), 0.45);
}

/* ===== PAGINA DE APRESENTACAO ===== */

.course-presentation {
    --course-radius: 24px;
    --course-shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
    padding-bottom: 3rem;
}

.course-presentation__back {
    margin-bottom: 1rem;
}

.course-presentation__header {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    padding: 1.9rem 2.1rem;
    border: 1px solid rgba(var(--mud-palette-primary-rgb), 0.16);
    border-radius: var(--course-radius);
    background: radial-gradient(circle at 100% 0%, rgba(var(--mud-palette-secondary-rgb), 0.16), transparent 55%), linear-gradient(135deg, rgba(var(--mud-palette-primary-rgb), 0.14) 0%, rgba(var(--mud-palette-primary-rgb), 0.04) 100%), var(--mud-palette-surface);
    box-shadow: var(--course-shadow);
}

.course-presentation__title {
    margin: 0;
    color: var(--mud-palette-text-primary);
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.02em;
    overflow-wrap: anywhere;
}

.course-presentation__summary {
    margin: 0;
    color: var(--mud-palette-text-secondary);
    font-size: 1rem;
    line-height: 1.6;
}

.course-presentation__meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1.1rem;
    color: var(--mud-palette-text-secondary);
    font-size: 0.85rem;
    font-weight: 600;
}

.course-presentation__meta-item {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.course-presentation__body {
    display: grid;
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    gap: 1.35rem;
    margin-top: 1.5rem;
    align-items: start;
}

.course-panel {
    padding: 1.5rem 1.6rem;
    border: 1px solid var(--mud-palette-lines-default);
    border-radius: var(--course-radius);
    background: var(--mud-palette-surface);
    box-shadow: var(--course-shadow);
}

.course-panel__title {
    margin: 0 0 0.9rem;
    color: var(--mud-palette-text-primary);
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.course-presentation__cover {
    width: 100%;
    aspect-ratio: 16 / 9;
    display: block;
    overflow: hidden;
    border-radius: 20px;
    object-fit: cover;
}

.course-presentation__description {
    margin: 0;
    color: var(--mud-palette-text-secondary);
    font-size: 0.95rem;
    line-height: 1.65;
    white-space: pre-wrap;
}

.course-syllabus {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.course-syllabus__module {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
    padding: 1rem 1.1rem;
    border: 1px solid var(--mud-palette-lines-default);
    border-radius: 16px;
    background: var(--mud-palette-background-gray);
}

.course-syllabus__module-title {
    margin: 0;
    color: var(--mud-palette-text-primary);
    font-size: 0.98rem;
    font-weight: 700;
}

.course-syllabus__module-description {
    margin: 0;
    color: var(--mud-palette-text-secondary);
    font-size: 0.85rem;
    line-height: 1.5;
}

.course-syllabus__lessons {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    margin: 0.3rem 0 0;
    padding: 0;
    list-style: none;
}

.course-syllabus__lesson {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.45rem 0;
    border-top: 1px solid var(--mud-palette-divider);
    color: var(--mud-palette-text-primary);
    font-size: 0.88rem;
}

.course-syllabus__lesson-title {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    min-width: 0;
    overflow-wrap: anywhere;
}

.course-syllabus__lesson-duration {
    flex: 0 0 auto;
    color: var(--mud-palette-text-secondary);
    font-size: 0.78rem;
    font-weight: 600;
    white-space: nowrap;
}

.course-cta {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.course-cta__hint {
    margin: 0;
    color: var(--mud-palette-text-secondary);
    font-size: 0.85rem;
    line-height: 1.5;
}

@media (max-width: 960px) {
    .course-presentation__body {
        grid-template-columns: minmax(0, 1fr);
    }

    .course-presentation__aside {
        order: 1;
    }

    .course-presentation__main {
        order: 2;
    }
}

@media (max-width: 600px) {
    .course-hero {
        flex-direction: column;
        align-items: flex-start;
        padding: 1.4rem 1.3rem;
    }

    .course-presentation__header {
        padding: 1.4rem 1.3rem;
    }

    .course-panel {
        padding: 1.2rem 1.1rem;
    }
}

/* ===== PLAYER DE AULA ===== */

.course-player {
    --course-radius: 24px;
    --course-shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
    --course-appbar-offset: calc(var(--mud-appbar-height, 64px) * 0.75);
    padding-bottom: 3rem;
}

.course-player__header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1.2rem;
    padding: 1.5rem 1.9rem;
    border: 1px solid rgba(var(--mud-palette-primary-rgb), 0.16);
    border-radius: var(--course-radius);
    background: radial-gradient(circle at 100% 0%, rgba(var(--mud-palette-secondary-rgb), 0.16), transparent 55%), linear-gradient(135deg, rgba(var(--mud-palette-primary-rgb), 0.14) 0%, rgba(var(--mud-palette-primary-rgb), 0.04) 100%), var(--mud-palette-surface);
    box-shadow: var(--course-shadow);
}

.course-player__header-text {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    min-width: 0;
}

.course-player__course-title {
    margin: 0;
    color: var(--mud-palette-text-primary);
    font-size: clamp(1.4rem, 2.6vw, 1.9rem);
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.02em;
    overflow-wrap: anywhere;
}

.course-player__module {
    color: var(--mud-palette-text-secondary);
    font-size: 0.87rem;
    font-weight: 600;
}

.course-player__progress {
    display: flex;
    flex: 1 1 240px;
    flex-direction: column;
    gap: 0.4rem;
    max-width: 340px;
}

.course-player__progress-label {
    color: var(--mud-palette-text-secondary);
    font-size: 0.8rem;
    font-weight: 600;
}

.course-player__body {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 2.1fr);
    gap: 1.35rem;
    margin-top: 1.5rem;
    align-items: start;
}

.course-player__outline {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    position: sticky;
    top: calc(var(--course-appbar-offset) + 1rem);
    max-height: calc(100vh - var(--course-appbar-offset) - 2rem);
    overflow-y: auto;
}

.course-player__outline-module {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.course-player__outline-module-title {
    margin: 0;
    color: var(--mud-palette-text-secondary);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.course-player__outline-lessons {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.course-player__outline-lesson {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.5rem 0.65rem;
    border: 1px solid transparent;
    border-radius: 12px;
    background: transparent;
    color: var(--mud-palette-text-primary);
    font-family: inherit;
    font-size: 0.87rem;
    text-align: left;
    cursor: pointer;
    transition: background-color .2s ease, border-color .2s ease, color .2s ease;
}

    .course-player__outline-lesson:hover {
        border-color: rgba(var(--mud-palette-primary-rgb), 0.3);
        background: rgba(var(--mud-palette-primary-rgb), 0.06);
    }

    .course-player__outline-lesson.is-active {
        border-color: var(--mud-palette-primary);
        background: rgba(var(--mud-palette-primary-rgb), 0.12);
        color: var(--mud-palette-primary);
        font-weight: 700;
    }

    .course-player__outline-lesson.is-done .mud-icon-root {
        color: var(--mud-palette-success);
    }

.course-player__outline-lesson-title {
    flex: 1 1 auto;
    min-width: 0;
    overflow-wrap: anywhere;
}

.course-player__outline-lesson-duration {
    flex: 0 0 auto;
    color: var(--mud-palette-text-secondary);
    font-size: 0.74rem;
    font-weight: 600;
    white-space: nowrap;
}

.course-player__content {
    display: flex;
    flex-direction: column;
}

.course-player__meta {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    margin-bottom: 0.9rem;
    color: var(--mud-palette-text-secondary);
    font-size: 0.82rem;
    font-weight: 600;
}

.course-player__image {
    width: 100%;
    max-height: 70vh;
    display: block;
    overflow: hidden;
    border-radius: 20px;
    object-fit: contain;
}

.course-player__text {
    margin: 0;
    color: var(--mud-palette-text-primary);
    font-size: 0.97rem;
    line-height: 1.75;
    white-space: pre-wrap;
}

.course-player__actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-top: 1.8rem;
    padding-top: 1.2rem;
    border-top: 1px solid var(--mud-palette-divider);
}

.course-player__actions-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

@media (max-width: 960px) {
    .course-player__body {
        grid-template-columns: minmax(0, 1fr);
    }

    .course-player__outline {
        position: static;
        max-height: none;
        order: 2;
    }

    .course-player__content {
        order: 1;
    }
}

@media (max-width: 600px) {
    .course-player__header {
        padding: 1.3rem 1.2rem;
    }

    .course-player__actions {
        flex-direction: column;
        align-items: stretch;
    }

    .course-player__actions-buttons {
        flex-direction: column;
    }
}