/**
 * Trang khóa học EUC — danh sách + chi tiết
 */

.euc-courses-page {
    background: #f7f8fb;
}

.euc-courses-hero {
    position: relative;
    overflow: hidden;
    color: #fff;
    background:
        radial-gradient(ellipse 70% 80% at 90% 10%, rgba(65, 125, 230, 0.45), transparent 55%),
        linear-gradient(135deg, #3f221f 0%, #5c322e 45%, #2f5fbf 100%);
    padding: 3.25rem 0 3.5rem;
}

.euc-courses-hero::after {
    content: "";
    position: absolute;
    inset: auto -10% -40% auto;
    width: 280px;
    height: 280px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.06);
    pointer-events: none;
}

.euc-courses-hero__crumb {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    align-items: center;
    margin: 0 0 0.85rem;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.72);
}

.euc-courses-hero__crumb a {
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
}

.euc-courses-hero__crumb a:hover {
    color: #fff;
}

.euc-courses-hero__title {
    margin: 0 0 0.65rem;
    font-size: clamp(1.75rem, 3.2vw, 2.45rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.2;
}

.euc-courses-hero__lead {
    margin: 0;
    max-width: 38rem;
    font-size: 1.02rem;
    line-height: 1.65;
    color: rgba(255, 255, 255, 0.82);
}

.euc-courses-hero__badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1.1rem;
}

.euc-courses-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.14);
    border: 1px solid rgba(255, 255, 255, 0.2);
    font-size: 0.8rem;
    font-weight: 600;
    color: #fff;
}

/* ── Toolbar / filter ── */
.euc-courses-toolbar {
    margin-top: -1.75rem;
    position: relative;
    z-index: 2;
    margin-bottom: 1.75rem;
}

.euc-courses-toolbar__card {
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 16px;
    padding: 1rem 1.15rem;
    box-shadow: 0 10px 28px rgba(63, 34, 31, 0.08);
}

.euc-courses-toolbar .form-control,
.euc-courses-toolbar .form-select {
    border-radius: 10px;
    border-color: #e5e7eb;
    min-height: 44px;
    font-size: 0.92rem;
}

.euc-courses-toolbar .form-control:focus,
.euc-courses-toolbar .form-select:focus {
    border-color: #417de6;
    box-shadow: 0 0 0 3px rgba(65, 125, 230, 0.15);
}

.euc-courses-toolbar__btn {
    min-height: 44px;
    border-radius: 10px;
    font-weight: 700;
    background: linear-gradient(135deg, #5c322e, #417de6);
    border: none;
}

.euc-courses-toolbar__btn:hover {
    background: linear-gradient(135deg, #3f221f, #2f5fbf);
}

.euc-courses-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.9rem;
}

.euc-courses-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.4rem 0.85rem;
    border-radius: 999px;
    border: 1px solid #e5e7eb;
    background: #f8fafc;
    color: #374151;
    font-size: 0.82rem;
    font-weight: 600;
    text-decoration: none;
    transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.euc-courses-chip:hover,
.euc-courses-chip.is-active {
    background: #eaf1fc;
    border-color: #417de6;
    color: #2f5fbf;
}

.euc-courses-chip__count {
    color: #9ca3af;
    font-weight: 500;
}

.euc-courses-chip.is-active .euc-courses-chip__count {
    color: #417de6;
}

.euc-courses-meta-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}

.euc-courses-meta-bar p {
    margin: 0;
    color: #6b7280;
    font-size: 0.92rem;
}

/* ── Course cards ── */
.euc-c-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 16px;
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease;
}

.euc-c-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 16px 36px rgba(92, 50, 46, 0.12);
    border-color: #c7d9f8;
    color: inherit;
}

.euc-c-card__media {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: linear-gradient(145deg, #5c322e, #417de6);
}

.euc-c-card__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.euc-c-card:hover .euc-c-card__media img {
    transform: scale(1.06);
}

.euc-c-card__level {
    position: absolute;
    left: 12px;
    top: 12px;
    padding: 0.3rem 0.65rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.94);
    color: #5c322e;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.euc-c-card__body {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    padding: 1.15rem 1.2rem 1.25rem;
    flex: 1;
}

.euc-c-card__cat {
    font-size: 0.75rem;
    font-weight: 700;
    color: #417de6;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.euc-c-card__title {
    margin: 0;
    font-size: 1.05rem;
    font-weight: 700;
    line-height: 1.35;
    color: #1c1917;
}

.euc-c-card__desc {
    margin: 0;
    font-size: 0.88rem;
    line-height: 1.55;
    color: #6b7280;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.euc-c-card__facts {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
    margin-top: 0.25rem;
    font-size: 0.8rem;
    color: #6b7280;
}

.euc-c-card__facts span {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
}

.euc-c-card__facts i {
    color: #417de6;
    font-size: 0.9rem;
}

.euc-c-card__foot {
    margin-top: auto;
    padding-top: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    border-top: 1px solid #eef0f4;
}

.euc-c-card__price {
    font-size: 1.05rem;
    font-weight: 800;
    color: #5c322e;
}

.euc-c-card__cta {
    font-size: 0.85rem;
    font-weight: 700;
    color: #417de6;
}

.euc-c-card:hover .euc-c-card__cta {
    text-decoration: underline;
}

.euc-courses-empty {
    text-align: center;
    padding: 3rem 1.5rem;
    background: #fff;
    border: 1px dashed #d1d5db;
    border-radius: 16px;
}

.euc-courses-empty i {
    font-size: 2rem;
    color: #417de6;
    margin-bottom: 0.75rem;
}

.euc-courses-empty h3 {
    margin: 0 0 0.4rem;
    font-size: 1.15rem;
    font-weight: 700;
}

.euc-courses-empty p {
    margin: 0;
    color: #6b7280;
}

/* ── Detail ── */
.euc-course-detail {
    padding: 2.25rem 0 3.5rem;
}

.euc-course-detail__media {
    border-radius: 18px;
    overflow: hidden;
    background: #dbeafe;
    margin-bottom: 1.5rem;
    aspect-ratio: 16 / 9;
}

.euc-course-detail__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.euc-course-detail__section {
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 16px;
    padding: 1.35rem 1.45rem;
    margin-bottom: 1.15rem;
}

.euc-course-detail__section h2 {
    margin: 0 0 0.85rem;
    font-size: 1.15rem;
    font-weight: 800;
    color: #1c1917;
    letter-spacing: -0.02em;
}

.euc-course-detail__prose {
    color: #374151;
    font-size: 0.98rem;
    line-height: 1.75;
}

.euc-course-facts {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.85rem;
}

.euc-course-fact {
    background: #f4f6fa;
    border-radius: 12px;
    padding: 1rem;
}

.euc-course-fact__label {
    display: block;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: #9ca3af;
    margin-bottom: 0.35rem;
}

.euc-course-fact__value {
    font-size: 0.95rem;
    font-weight: 700;
    color: #1c1917;
    margin: 0;
}

.euc-course-teachers {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.euc-course-teacher {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.55rem 0.85rem 0.55rem 0.55rem;
    background: #f4f6fa;
    border-radius: 999px;
}

.euc-course-teacher__avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(145deg, #5c322e, #417de6);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 700;
}

.euc-course-teacher__name {
    font-size: 0.88rem;
    font-weight: 600;
    color: #1c1917;
}

.euc-course-aside {
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 18px;
    padding: 1.4rem;
    box-shadow: 0 12px 32px rgba(63, 34, 31, 0.08);
    position: sticky;
    top: 96px;
}

.euc-course-aside__price {
    margin: 0 0 0.25rem;
    font-size: 1.65rem;
    font-weight: 800;
    color: #5c322e;
    letter-spacing: -0.02em;
}

.euc-course-aside__hint {
    margin: 0 0 1.15rem;
    font-size: 0.85rem;
    color: #6b7280;
}

.euc-course-aside__title {
    margin: 0 0 1rem;
    font-size: 1.05rem;
    font-weight: 800;
    color: #1c1917;
}

.euc-course-aside .form-label {
    font-size: 0.82rem;
    font-weight: 600;
    color: #374151;
}

.euc-course-aside .form-control {
    border-radius: 10px;
    border-color: #e5e7eb;
    font-size: 0.92rem;
}

.euc-course-aside .form-control:focus {
    border-color: #417de6;
    box-shadow: 0 0 0 3px rgba(65, 125, 230, 0.15);
}

.euc-course-aside__submit {
    min-height: 46px;
    border: none;
    border-radius: 11px;
    font-weight: 700;
    background: linear-gradient(135deg, #5c322e, #417de6);
}

.euc-course-aside__submit:hover {
    background: linear-gradient(135deg, #3f221f, #2f5fbf);
}

.euc-course-aside__contact {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid #eef0f4;
    font-size: 0.85rem;
    color: #6b7280;
}

.euc-course-aside__contact a {
    color: #417de6;
    font-weight: 700;
    text-decoration: none;
}

.euc-course-related {
    margin-top: 2.5rem;
}

.euc-course-related__head {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.15rem;
}

.euc-course-related__head h2 {
    margin: 0;
    font-size: 1.35rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.euc-course-related__head a {
    font-size: 0.9rem;
    font-weight: 700;
    color: #417de6;
    text-decoration: none;
}

.euc-course-related__head a:hover {
    text-decoration: underline;
}

.euc-courses-page .pagination {
    justify-content: center;
    margin-top: 2rem;
}

@media (max-width: 991.98px) {
    .euc-course-facts {
        grid-template-columns: 1fr;
    }

    .euc-course-aside {
        position: static;
        margin-top: 0.5rem;
    }
}

@media (max-width: 575.98px) {
    .euc-courses-hero {
        padding: 2.4rem 0 2.75rem;
    }

    .euc-courses-toolbar {
        margin-top: -1.25rem;
    }

    .euc-courses-toolbar__card {
        padding: 0.9rem;
    }
}