/* =========================================================
 * MUSK - TIN TỨC & KIẾN THỨC
 * Nội dung theo Row/Column Flatsome, nền tràn full width
 * ========================================================= */

.musk-news-knowledge {
  position: relative;
  z-index: 1;
  width: 100%;
  color: #10131c;
}

.musk-news-knowledge,
.musk-news-knowledge *,
.musk-news-knowledge *::before,
.musk-news-knowledge *::after {
  box-sizing: border-box;
}

/* =========================================================
 * LAYOUT TRONG COLUMN
 * ========================================================= */

.musk-news-knowledge__inner {
  position: relative;
  z-index: 2;
  width: 100%;
  padding: 100px 0px 50px 0px;
}

/* =========================================================
 * HEADER
 * ========================================================= */

.musk-news-knowledge__header {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 800px;
  margin: 0 auto 38px;
  text-align: center;
}

.musk-news-knowledge__intro {
  max-width: 720px;
  margin: 10px auto 0;
  color: #29394f;
  font-weight: 400;
  line-height: 1.6;
}

/* =========================================================
 * DESKTOP TABS
 * ========================================================= */

.musk-news-knowledge__tabs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  width: 100%;
  margin-bottom: 22px;
  gap: 15px;
}

.musk-news-knowledge__tab {
  display: flex !important;
  align-items: center;
  justify-content: center;
  width: 100% !important;
  min-height: 39px;
  margin: 0 !important;
  padding: 9px 14px !important;
  border: 1px solid #e2e4e8 !important;
  border-radius: 7px !important;
  background: #f8f8f8 !important;
  color: #777d87 !important;
  font-size: 16px !important;
  font-weight: 500 !important;
  line-height: 1.3 !important;
  text-align: center !important;
  text-transform: none !important;
  box-shadow: none !important;
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  transition:
    background-color 0.25s ease,
    border-color 0.25s ease,
    color 0.25s ease;
}

.musk-news-knowledge__tab::before,
.musk-news-knowledge__tab::after {
  display: none !important;
  content: none !important;
}

.musk-news-knowledge__tab:hover {
  border-color: #020842 !important;
  color: #020842 !important;
}

.musk-news-knowledge__tab.is-active {
  border-color: rgba(21, 88, 244, 0.42) !important;
  background: #020842 !important;
  color: white !important;
}

.musk-news-knowledge__tab:focus-visible {
  outline: 3px solid rgba(21, 88, 244, 0.2);
  outline-offset: 2px;
}

/* =========================================================
 * TAB DANH MỤC CON
 *
 * Chỉ hàng của danh mục cha đang mở được hiện.
 * ========================================================= */

.musk-news-knowledge__subtabs {
  display: none;
  width: 100%;
  margin-bottom: 22px;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}

.musk-news-knowledge__subtabs.is-active {
  display: flex;
}

.musk-news-knowledge__subtab {
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
  width: auto !important;
  min-height: 34px;
  margin: 0 !important;
  padding: 7px 22px !important;
  border: 1px solid #e2e4e8 !important;
  border-radius: 7px !important;
  background: #f8f8f8 !important;
  color: #777d87 !important;
  font-size: 14px !important;
  font-weight: 500 !important;
  line-height: 1.3 !important;
  text-align: center !important;
  text-transform: none !important;
  box-shadow: none !important;
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  transition:
    background-color 0.25s ease,
    border-color 0.25s ease,
    color 0.25s ease;
}

.musk-news-knowledge__subtab::before,
.musk-news-knowledge__subtab::after {
  display: none !important;
  content: none !important;
}

.musk-news-knowledge__subtab:hover {
  border-color: #1558f4 !important;
  color: #1558f4 !important;
}

.musk-news-knowledge__subtab.is-active {
  border-color: rgba(21, 88, 244, 0.42) !important;
  background: #eef2ff !important;
  color: #1558f4 !important;
}

.musk-news-knowledge__subtab:focus-visible {
  outline: 3px solid rgba(21, 88, 244, 0.2);
  outline-offset: 2px;
}

/* =========================================================
 * MOBILE SELECT
 * ========================================================= */

.musk-news-knowledge__mobile-filter {
  display: none;
  margin-bottom: 18px;
}

.musk-news-knowledge__select-wrap {
  position: relative;
  width: 100%;
}

.musk-news-knowledge__select {
  display: block;
  width: 100%;
  height: 48px;
  margin: 0;
  padding: 0 48px 0 16px;
  border: 1px solid #cbd0d9;
  border-radius: 7px;
  outline: 0;
  background: #ffffff;
  color: #414958;
  font-size: 15px;
  font-weight: 500;
  line-height: 1;
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
}

.musk-news-knowledge__select:focus {
  border-color: #1558f4;
  box-shadow: 0 0 0 3px rgba(21, 88, 244, 0.1);
}

.musk-news-knowledge__select-icon {
  position: absolute;
  top: 50%;
  right: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  color: #9ca3af;
  transform: translateY(-50%);
  pointer-events: none;
}

.musk-news-knowledge__select-icon svg {
  display: block;
  width: 18px;
  height: 18px;
}

/* =========================================================
 * PANELS
 * ========================================================= */

.musk-news-knowledge__panel {
  display: none;
}

.musk-news-knowledge__panel.is-active {
  display: block;
  animation: musk-news-panel-in 0.35s ease both;
}

@keyframes musk-news-panel-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* =========================================================
 * GRID BÀI VIẾT
 * ========================================================= */

.musk-news-knowledge__grid {
  display: grid;
  grid-template-columns:
    minmax(0, 1fr)
    minmax(0, 1fr);
  align-items: stretch;
  min-height: 510px;
  gap: 18px;
}

/* =========================================================
 * CARD CHUNG
 * ========================================================= */

.musk-news-knowledge__article {
  min-width: 0;
  overflow: hidden;
  border: 1px solid #eceef1;
  border-radius: 7px;
  background: #fafafa;
}

.musk-news-knowledge__article-link,
.musk-news-knowledge__secondary-link {
  color: inherit;
  text-decoration: none;
}

.musk-news-knowledge__article-link:hover,
.musk-news-knowledge__secondary-link:hover {
  color: inherit;
  text-decoration: none;
}

/* =========================================================
 * BÀI NỔI BẬT BÊN TRÁI
 * ========================================================= */

.musk-news-knowledge__article--featured {
  height: 100%;
}

.musk-news-knowledge__article-link {
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 100%;
}

.musk-news-knowledge__media {
  position: relative;
  width: calc(100% - 30px);

  /* Ảnh đại diện bài viết là 16:9 - khung đúng tỉ lệ đó thì ảnh
     hiện trọn, không bị cắt mất chữ ở mép. */
  aspect-ratio: 16 / 9;
  height: auto;
  margin: 15px 15px 0;
  overflow: hidden;
  border-radius: 5px;
  background: linear-gradient(145deg, #122748, #070d22);
}

.musk-news-knowledge__media img {
  display: block;
  width: 100% !important;
  max-width: none !important;
  height: 100% !important;
  max-height: none !important;
  margin: 0 !important;
  object-fit: cover;
  object-position: center;
  transition: transform 0.55s ease;
}

.musk-news-knowledge__media--empty::before,
.musk-news-knowledge__secondary-media--empty::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at center, rgba(21, 88, 244, 0.38), transparent 35%),
    linear-gradient(145deg, #121b3d, #060a20);
}

.musk-news-knowledge__featured-content {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 21px 22px 25px;
}

.musk-news-knowledge__featured-title {
  margin: 13px 0 11px;
  color: #111827;
  font-weight: 500;
  line-height: 1.28;
  letter-spacing: -0.025em;
}

.musk-news-knowledge__featured-excerpt {
  margin: 0;
  color: #858b94;
  font-weight: 400;
  line-height: 1.65;
  display: -webkit-box;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

/* =========================================================
 * NGÀY ĐĂNG
 * ========================================================= */

.musk-news-knowledge__date {
  display: flex;
  align-items: center;
  color: #8b9099;
  font-size: 11px;
  font-weight: 400;
  line-height: 1;
  gap: 7px;
}

.musk-news-knowledge__date svg {
  display: block;
  width: 15px;
  height: 15px;
  flex: 0 0 15px;
}

/* =========================================================
 * DANH SÁCH BÀI PHỤ
 * ========================================================= */

.musk-news-knowledge__secondary-list {
  display: grid;
  grid-template-rows: repeat(2, minmax(0, 1fr));
  min-width: 0;
  gap: 18px;
}

.musk-news-knowledge__article--secondary {
  min-height: 0;
}

.musk-news-knowledge__secondary-link {
  display: grid;
  grid-template-columns:
    minmax(180px, 43%)
    minmax(0, 1fr);
  width: 100%;
  height: 100%;
  min-height: 245px;
  padding: 15px;
  gap: 20px;
}

.musk-news-knowledge__secondary-media {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 210px;
  overflow: hidden;
  border-radius: 6px;
  background: #101a31;
}

.musk-news-knowledge__secondary-media img {
  display: block;
  width: 100% !important;
  max-width: none !important;
  height: 100% !important;
  max-height: none !important;
  margin: 0 !important;
  object-fit: cover;
  object-position: center;
  transition: transform 0.5s ease;
}

.musk-news-knowledge__secondary-content {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 8px 7px 8px 0;
}

.musk-news-knowledge__secondary-title {
  margin: 14px 0 10px;
  color: #141922;
  font-weight: 500;
  line-height: 1.3;
  letter-spacing: -0.02em;
  display: -webkit-box;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.musk-news-knowledge__secondary-excerpt {
  margin: 0;
  color: #969ba3;
  font-weight: 400;
  line-height: 1.55;
  display: -webkit-box;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}

/* =========================================================
 * NÚT XEM THÊM
 * ========================================================= */

.musk-news-knowledge__more {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 22px;
}

/* =========================================================
 * EMPTY
 * ========================================================= */

.musk-news-knowledge__empty {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 320px;
  padding: 35px;
  border: 1px dashed rgba(21, 88, 244, 0.25);
  border-radius: 8px;
  color: #6b7280;
  text-align: center;
}

@media (hover: hover) {
  .musk-news-knowledge__article--featured:hover
    .musk-news-knowledge__media
    img {
    transform: scale(1.035);
  }
}

@media (hover: hover) {
  .musk-news-knowledge__article--secondary:hover
    .musk-news-knowledge__secondary-media
    img {
    transform: scale(1.035);
  }
}

/* =========================================================
 * MOBILE
 * ========================================================= */

@media (max-width: 767px) {
  .musk-news-knowledge__grid {
    min-height: 0;
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .musk-news-knowledge__media {
    width: calc(100% - 24px);
    margin: 12px 12px 0;
  }

  .musk-news-knowledge__secondary-link {
    grid-template-columns: 110px minmax(0, 1fr);
    min-height: 155px;
    gap: 11px;
    padding: 11px;
  }

  .musk-news-knowledge__secondary-media {
    min-height: 133px;
  }

  .musk-news-knowledge__secondary-excerpt {
    -webkit-line-clamp: 2;
    display: none;
  }

  .musk-news-knowledge__inner {
    padding: 50px 0;
  }

  .musk-news-knowledge__header {
    margin-bottom: 30px;
  }

  .musk-news-knowledge__intro {
    margin-top: 7px;
    line-height: 1.55;
  }

  .musk-news-knowledge__tabs {
    display: none;
  }

  .musk-news-knowledge__mobile-filter {
    display: block;
  }

  .musk-news-knowledge__subtabs {
    margin-bottom: 18px;
    gap: 8px;
  }

  .musk-news-knowledge__subtab {
    min-height: 30px;
    padding: 6px 14px !important;
    font-size: 13px !important;
  }

  .musk-news-knowledge__featured-content {
    padding: 18px 18px 22px;
  }

  .musk-news-knowledge__featured-title {
    margin-top: 11px;
  }

  .musk-news-knowledge__featured-excerpt {
    font-size: 14px !important;
  }

  .musk-news-knowledge__secondary-list {
    grid-template-rows: none;
    gap: 14px;
  }

  .musk-news-knowledge__secondary-content {
    justify-content: center;
    padding: 3px 3px 3px 0;
  }

  .musk-news-knowledge__secondary-title {
    margin: 10px 0 6px;
    line-height: 1.35;
  }

  .musk-news-knowledge__date {
    font-size: 10px;
  }

  .musk-news-knowledge__more {
    margin-top: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .musk-news-knowledge__panel {
    animation: none !important;
  }

  .musk-news-knowledge__media img,
  .musk-news-knowledge__secondary-media img,
  .musk-news-knowledge__tab {
    transition: none !important;
  }
}