/* ============================================================
   COURSES PAGES — cursos.css
   Covers: course listing, single course, all courses table, turmas
   ============================================================ */

/* --- Course Listing Grid --- */
.courses-listing {
    padding: 80px 0;
    background: var(--bg-alt);
}

.courses-listing__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.course-list-card {
    background: var(--white);
    border: 1px solid var(--border);
    overflow: hidden;
    transition: all var(--transition);
    display: flex;
    flex-direction: column;
}

.course-list-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.course-list-card__image {
    height: 200px;
    overflow: hidden;
}

.course-list-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

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

.course-list-card__body {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.course-list-card__title {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 16px;
    line-height: 1.4;
    color: var(--text-dark);
}

.course-list-card__meta {
    padding: 12px 0;
    border-left: 3px solid var(--primary);
    padding-left: 16px;
    margin-bottom: 20px;
}

.course-list-card__price {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 4px;
}

.course-list-card__mode {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-light);
}

.course-list-card__link {
    margin-top: auto;
    display: block;
    padding: 12px;
    background: var(--primary);
    color: var(--white);
    text-align: center;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    transition: background var(--transition);
}

.course-list-card__link:hover {
    background: var(--primary-dark);
    color: var(--white);
}

/* --- Single Course Detail --- */
.course-detail {
    padding: 80px 0;
    background: var(--white);
}

.course-detail__layout {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 40px;
    align-items: start;
}

/* Sidebar */
.course-sidebar {
    border: 1px solid var(--border);
    position: sticky;
    top: 140px;
}

.course-sidebar__image {
    width: 100%;
    height: 220px;
    object-fit: cover;
    display: block;
}

.course-sidebar__price {
    background: var(--bg-dark);
    color: var(--white);
    padding: 16px 24px;
    font-size: 1.5rem;
    font-weight: 700;
    text-align: center;
}

.course-sidebar__cta {
    display: block;
    padding: 14px 24px;
    background: var(--primary);
    color: var(--white);
    text-align: center;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    border: 2px solid var(--accent);
    transition: background var(--transition);
}

.course-sidebar__cta:hover {
    background: var(--primary-dark);
    color: var(--white);
}

.course-sidebar__details {
    padding: 24px;
}

.course-sidebar__details h4 {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--primary);
}

.course-sidebar__item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
    font-size: 0.9rem;
    color: var(--text-medium);
}

.course-sidebar__item:last-child {
    border-bottom: none;
}

.course-sidebar__item i {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    color: var(--white);
    font-size: 0.85rem;
    flex-shrink: 0;
}

/* Course Content */
.course-content__title {
    background: var(--bg-dark);
    padding: 40px;
    margin-bottom: 32px;
}

.course-content__title h1 {
    color: var(--white);
    font-size: 1.75rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.course-description h2 {
    font-size: 1.25rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--primary);
    display: inline-block;
}

.course-description p {
    font-size: 0.95rem;
    line-height: 1.8;
    margin-bottom: 16px;
}

/* Modules Accordion */
.modules-section {
    margin-top: 40px;
}

.modules-section > h2 {
    font-size: 1.25rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--primary);
    display: inline-block;
}

.module-item {
    margin-bottom: 4px;
}

.module-item summary {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 20px;
    background: var(--bg-dark);
    color: var(--white);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    border: 1px solid rgba(255,255,255,0.1);
    list-style: none;
    transition: background var(--transition);
}

.module-item summary::-webkit-details-marker {
    display: none;
}

.module-item summary::before {
    content: '\f078';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    font-size: 0.7rem;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255,255,255,0.2);
    flex-shrink: 0;
    transition: transform var(--transition);
}

.module-item[open] summary::before {
    transform: rotate(180deg);
}

.module-item summary:hover {
    background: var(--bg-dark-alt);
}

.module-item__content {
    padding: 20px;
    border: 1px solid var(--border);
    border-top: none;
}

.module-item__content p {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    font-size: 0.9rem;
    color: var(--text-medium);
    border-bottom: 1px solid var(--border);
}

.module-item__content p:last-child {
    border-bottom: none;
}

.module-item__content p i {
    color: var(--primary);
    font-size: 0.8rem;
    width: 16px;
    text-align: center;
}

.no-modules {
    margin-top: 40px;
    padding: 32px;
    background: var(--bg-alt);
    border: 1px solid var(--border);
}

.no-modules h2 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.no-modules p {
    font-size: 0.95rem;
    color: var(--text-light);
}

/* Course not found */
.error-message {
    padding: 80px 0;
    text-align: center;
}

.error-message h2 {
    margin-bottom: 12px;
}

.error-message p {
    margin-bottom: 24px;
}

.error-message a {
    color: var(--primary);
    font-weight: 600;
}

/* --- All Courses Table --- */
.all-courses {
    padding: 80px 0;
    background: var(--bg-alt);
}

.all-courses__download {
    text-align: center;
    margin-bottom: 48px;
}

.all-courses__download p {
    font-size: 0.95rem;
    margin-bottom: 16px;
}

/* Table */
.courses-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

.courses-table thead {
    background: var(--bg-dark);
    color: var(--white);
}

.courses-table th {
    padding: 14px 16px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    text-align: left;
    color: var(--white);
    white-space: nowrap;
}

.courses-table th.text-center {
    text-align: center;
}

.courses-table tbody tr {
    background: var(--white);
    border-bottom: 1px solid var(--border);
    transition: background var(--transition);
}

.courses-table tbody tr:hover {
    background: var(--primary-light);
}

.courses-table td {
    padding: 14px 16px;
    color: var(--text-medium);
    vertical-align: top;
}

.courses-table td.text-center {
    text-align: center;
}

.courses-table td a {
    color: var(--primary);
    font-weight: 600;
}

.courses-table td a:hover {
    color: var(--primary-dark);
}

.courses-table__period {
    display: inline-block;
    padding: 4px 10px;
    background: var(--primary);
    color: var(--white);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.courses-table__sub {
    font-size: 0.8rem;
    color: var(--text-light);
    padding: 4px 0;
    border-bottom: 1px solid var(--border);
}

.courses-table__sub:last-child {
    border-bottom: none;
}

.courses-table__empty {
    color: var(--text-light);
    text-align: center;
}

/* Mobile table fallback */
.courses-table-mobile {
    display: none;
}

.course-mobile-card {
    background: var(--white);
    border: 1px solid var(--border);
    margin-bottom: 12px;
    padding: 20px;
}

.course-mobile-card__num {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 4px;
}

.course-mobile-card__name {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.course-mobile-card__name a {
    color: var(--text-dark);
}

.course-mobile-card__name a:hover {
    color: var(--primary);
}

.course-mobile-card__price {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.course-mobile-card__turmas {
    border-top: 1px solid var(--border);
    padding-top: 12px;
}

.course-mobile-card__turma {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    padding: 8px 0;
    font-size: 0.85rem;
    color: var(--text-medium);
    border-bottom: 1px solid var(--border);
}

.course-mobile-card__turma:last-child {
    border-bottom: none;
}

.course-mobile-card__badge {
    display: inline-block;
    padding: 2px 8px;
    background: var(--primary);
    color: var(--white);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
}

/* --- Turmas Page --- */
.turmas-section {
    padding: 80px 0;
    background: var(--white);
}

.turmas-layout {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 40px;
    align-items: start;
}

/* Turmas sidebar reuses course-sidebar styles */

.turmas-grid-title {
    font-size: 1.25rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 24px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--primary);
    display: inline-block;
}

.turmas-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 20px;
}

.turma-card {
    border: 1px solid var(--border);
    transition: all var(--transition);
    display: flex;
    flex-direction: column;
}

.turma-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
}

.turma-card__location {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 16px;
    background: var(--bg-dark);
    color: var(--white);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.turma-card__location i {
    color: var(--primary);
}

.turma-card__badge {
    display: block;
    padding: 8px;
    background: var(--bg-dark-alt);
    color: var(--white);
    font-size: 0.75rem;
    font-weight: 600;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.turma-card__details {
    padding: 20px;
    flex: 1;
}

.turma-card__detail {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
    font-size: 0.85rem;
}

.turma-card__detail:last-child {
    border-bottom: none;
}

.turma-card__label {
    color: var(--text-light);
    font-weight: 500;
}

.turma-card__value {
    color: var(--text-dark);
    font-weight: 600;
}

.turma-card__cta {
    display: block;
    padding: 14px;
    background: var(--primary);
    color: var(--white);
    text-align: center;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    transition: background var(--transition);
}

.turma-card__cta:hover {
    background: var(--primary-dark);
    color: var(--white);
}

.turma-card__cta--disabled {
    background: var(--border-dark);
    cursor: not-allowed;
    opacity: 0.6;
}

.turma-card__cta--disabled:hover {
    background: var(--border-dark);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
    .course-detail__layout {
        grid-template-columns: 1fr 280px;
        gap: 28px;
    }

    .courses-listing__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .turmas-layout {
        grid-template-columns: 260px 1fr;
        gap: 28px;
    }
}

@media (max-width: 768px) {
    .courses-listing__grid {
        grid-template-columns: 1fr;
    }

    .course-detail__layout {
        grid-template-columns: 1fr;
    }

    .course-sidebar {
        position: static;
        order: -1;
    }

    .course-content__title {
        padding: 28px 24px;
    }

    .course-content__title h1 {
        font-size: 1.4rem;
    }

    .turmas-layout {
        grid-template-columns: 1fr;
    }

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

    /* Table → Cards on mobile */
    .courses-table-desktop {
        display: none;
    }

    .courses-table-mobile {
        display: block;
    }
}