/* ==========================================================================
   Trang chủ — "Bài báo về Hiệp Phát" (dưới 3 thành tựu), bố cục theo mẫu "Sự kiện đáng nhớ",
   bản GỌN (cả khu cao khoảng nửa màn hình máy tính, khung giữa rộng tối đa 1320px):
   cột trái giới thiệu · cột giữa 1 bài lớn · cột phải 3 bài nhỏ.
   Tự đổi lượt: bài nhỏ đầu danh sách phóng lên khung lớn. Bấm bài nhỏ = đưa lên khung lớn.
   Dữ liệu: assets/data/bao-chi.json (bài có trường "anh"). JS: homepage-news-rotator.js
   ========================================================================== */

.news-rot {
  --news-interval: 6500ms;
  --news-navy: #0a1330;
  --news-blue: #1e40af;
  --news-blue-dark: #1e3a8a;
  position: relative;
  padding: clamp(44px, 4.5vw, 72px) 24px;
  background:
    radial-gradient(60% 80% at 0% 100%, rgba(191, 219, 254, 0.45), transparent 70%),
    radial-gradient(50% 60% at 100% 0%, rgba(219, 234, 254, 0.6), transparent 70%),
    #f5f8fd;
}
.news-rot[hidden] { display: none; }
.news-rot__inner {
  display: grid;
  grid-template-columns: minmax(240px, 0.7fr) minmax(0, 1.5fr) minmax(0, 1.25fr);
  gap: clamp(20px, 2.2vw, 36px);
  align-items: start;
  max-width: 1320px;
  margin: 0 auto;
}

/* ---- Cột trái: giới thiệu ---- */
.news-rot__eyebrow {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 999px;
  background: #dbeafe;
  color: var(--news-blue);
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}
.news-rot__title {
  margin: 16px 0 0;
  color: var(--news-navy);
  font-family: var(--ff-display, "Be Vietnam Pro", system-ui, sans-serif);
  font-size: clamp(28px, 2.2vw, 38px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.02em;
  text-transform: uppercase;
}
.news-rot__title span:last-child { white-space: nowrap; }
@media (min-width: 1100px) { .news-rot__title span { display: block; } }
.news-rot__line {
  display: block;
  width: 56px;
  height: 4px;
  margin: 16px 0 18px;
  border-radius: 999px;
  background: #2563eb;
}
.news-rot__sub { margin: 0; color: #334155; font-size: 16px; line-height: 1.6; }

/* ---- Thẻ (chung cho khung lớn và danh sách) ---- */
.hpo-news-card { position: relative; min-width: 0; color: var(--news-navy); }
.hpo-news-card a { color: inherit; text-decoration: none; }
.hpo-news-card__media {
  position: relative;
  display: block;
  overflow: hidden;
  border-radius: 16px;
  background: linear-gradient(135deg, #0a1330, #1e3a8a);
}
.hpo-news-card__media img { display: block; width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.hpo-news-card__body { display: flex; flex-direction: column; min-width: 0; }
.hpo-news-card__title { margin: 0; font-family: var(--ff-display, "Be Vietnam Pro", system-ui, sans-serif); font-weight: 700; }
.hpo-news-card__title a { color: var(--news-blue-dark); }
.hpo-news-card__desc { margin: 0; color: #334155; }
.hpo-news-card__meta { color: #475569; font-size: 16px; line-height: 1.5; }
.hpo-news-card__chip,
.hpo-news-card__flag {
  position: absolute;
  top: 12px;
  z-index: 1;
  display: none;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 16px;
  font-weight: 800;
  line-height: 1.2;
}
.hpo-news-card__chip { left: 12px; background: var(--news-navy); color: #facc15; }
.hpo-news-card__flag { right: 12px; background: #dc2626; color: #fff; text-transform: uppercase; }
.hpo-news-card svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.hpo-news-card__go {
  display: none;
  align-items: center;
  gap: 6px;
  min-height: 44px;
  padding: 0 18px;
  border: 2px solid var(--news-blue);
  border-radius: 999px;
  background: #fff;
  color: var(--news-blue) !important;
  font-size: 16px;
  font-weight: 800;
  transition: background 0.2s ease, color 0.2s ease;
}
.hpo-news-card__go:hover { background: var(--news-blue); color: #fff !important; }
.hpo-news-card__src { display: none; }
.hpo-news-card__pick { display: none; }
.hpo-news-card a:focus-visible,
.hpo-news-card__pick:focus-visible,
.news-rot__btn:focus-visible,
.news-rot__all:focus-visible { outline: 3px solid #2563eb; outline-offset: 3px; }

/* ---- Khung lớn: ảnh trên, tiêu đề + dòng nguồn dưới ---- */
.news-rot__feature { position: relative; min-width: 0; }
.hpo-news-card[data-slot="big"] .hpo-news-card__media { aspect-ratio: 16 / 9; box-shadow: 0 14px 34px rgba(15, 35, 80, 0.15); }
.hpo-news-card[data-slot="big"] .hpo-news-card__media img { animation: news-kenburns calc(var(--news-interval) + 1200ms) ease-out both; }
.news-rot.is-paused .hpo-news-card[data-slot="big"] .hpo-news-card__media img { animation-play-state: paused; }
.hpo-news-card[data-slot="big"] .hpo-news-card__chip { display: inline-flex; }
.hpo-news-card[data-slot="big"] .hpo-news-card__flag.is-on { display: inline-flex; }
.hpo-news-card[data-slot="big"] .hpo-news-card__body { gap: 8px; padding-top: 14px; }
.hpo-news-card[data-slot="big"] .hpo-news-card__title {
  display: -webkit-box;
  overflow: hidden;
  font-size: clamp(20px, 1.55vw, 24px);
  line-height: 1.3;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}
.hpo-news-card[data-slot="big"] .hpo-news-card__title a:hover { color: var(--news-blue); text-decoration: underline; text-underline-offset: 4px; }
.hpo-news-card[data-slot="big"] .hpo-news-card__desc { font-size: 16px; line-height: 1.55; }
.hpo-news-card[data-slot="big"] .hpo-news-card__foot { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 14px; }
.hpo-news-card[data-slot="big"] .hpo-news-card__go { display: inline-flex; }
.hpo-news-card[data-slot="big"] .hpo-news-card__media:hover img { transform: scale(1.03); }
@keyframes news-kenburns { from { transform: scale(1.1); } to { transform: scale(1); } }

/* Thanh thời gian: JS gắn vào đáy ảnh của bài đang ở khung lớn */
.news-rot__track {
  position: absolute;
  right: 16px;
  bottom: 12px;
  left: 16px;
  height: 4px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.35);
  pointer-events: none;
}
.news-rot__track i { display: block; width: 100%; height: 100%; background: #facc15; transform: scaleX(0); transform-origin: left; }
.news-rot__track i.is-running { animation: news-progress var(--news-interval) linear forwards; }
.news-rot.is-paused .news-rot__track i { animation-play-state: paused; }
@keyframes news-progress { to { transform: scaleX(1); } }

/* ---- Cột phải: 3 bài nhỏ (ảnh trái, chữ phải) ---- */
.news-rot__list { display: grid; gap: 12px; }
.hpo-news-card[data-slot="s"] {
  display: flex;
  gap: 14px;
  align-items: center;
  padding: 8px 14px 8px 8px;
  border: 1px solid transparent;
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 8px 22px rgba(15, 35, 80, 0.06);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}
.hpo-news-card[data-slot="s"]:hover { border-color: #93b4f0; box-shadow: 0 12px 28px rgba(15, 35, 80, 0.12); transform: translateY(-2px); }
.hpo-news-card[data-slot="s"] .hpo-news-card__media { flex: none; width: 38%; max-width: 170px; aspect-ratio: 3 / 2; border-radius: 12px; }
.hpo-news-card[data-slot="s"] .hpo-news-card__body { gap: 4px; }
.hpo-news-card[data-slot="s"] .hpo-news-card__title {
  display: -webkit-box;
  overflow: hidden;
  font-size: 17px;
  line-height: 1.35;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}
.hpo-news-card[data-slot="s"] .hpo-news-card__desc,
.hpo-news-card[data-slot="s"] .hpo-news-card__foot { display: none; }
.hpo-news-card[data-slot="s"] .hpo-news-card__src { display: block; color: #475569; font-size: 16px; line-height: 1.4; }
.hpo-news-card[data-slot="s"] .hpo-news-card__pick {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: block;
  width: 100%;
  border: 0;
  border-radius: inherit;
  background: transparent;
  cursor: pointer;
}

/* ---- Nút dưới danh sách ---- */
.news-rot__bar { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 16px; }
.news-rot__all {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 22px;
  border: 0;
  border-radius: 999px;
  background: #2563eb;
  color: #fff;
  font: inherit;
  font-size: 16px;
  font-weight: 800;
  cursor: pointer;
  box-shadow: 0 10px 24px rgba(37, 99, 235, 0.28);
  transition: background 0.2s ease;
}
.news-rot__all:hover { background: var(--news-blue-dark); }
.news-rot__all svg { width: 20px; height: 20px; fill: currentColor; }
.news-rot__btn {
  display: inline-grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border: 0;
  border-radius: 14px;
  background: #e2eaf7;
  color: var(--news-blue);
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}
.news-rot__btn:hover { background: var(--news-blue); color: #fff; }
.news-rot__btn svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }
.news-rot__btn .i-play { display: none; }
.news-rot.is-user-paused .news-rot__btn .i-play { display: block; }
.news-rot.is-user-paused .news-rot__btn .i-pause { display: none; }
.news-rot__sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---- Hiệu ứng đổi lượt (View Transitions): bài nhỏ "phóng" lên khung lớn ---- */
html.news-vt { view-transition-name: none; }
html.news-vt::view-transition { pointer-events: none; }
html.news-vt::view-transition-group(*) { animation-duration: 0.7s; animation-timing-function: cubic-bezier(0.22, 0.8, 0.24, 1); }
html.news-vt::view-transition-old(*),
html.news-vt::view-transition-new(*) { height: 100%; object-fit: cover; overflow: clip; }
.news-rot.no-vt .hpo-news-card.is-enter { animation: news-fade-in 0.5s ease both; }
@keyframes news-fade-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* ---- Máy tính bảng: giới thiệu lên trên, 2 cột bên dưới ---- */
@media (max-width: 1099px) {
  .news-rot__inner { grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); }
  .news-rot__intro { grid-column: 1 / -1; max-width: 760px; }
  .news-rot__title { margin-top: 12px; }
  .news-rot__line { margin: 12px 0 14px; }
  .hpo-news-card[data-slot="s"] .hpo-news-card__media { width: 40%; }
}

/* ---- Điện thoại: 1 cột ---- */
@media (max-width: 767px) {
  .news-rot { padding-right: 16px; padding-left: 16px; }
  .news-rot__inner { grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .hpo-news-card[data-slot="big"] .hpo-news-card__title { font-size: 20px; -webkit-line-clamp: 3; }
  .hpo-news-card[data-slot="s"] .hpo-news-card__media { width: 112px; }
  .hpo-news-card[data-slot="s"] .hpo-news-card__title { font-size: 16px; -webkit-line-clamp: 3; }
  .news-rot__all { flex: 1 1 100%; justify-content: center; }
  .news-rot__btn { flex: 1; }
}

@media (prefers-reduced-motion: reduce) {
  .hpo-news-card[data-slot="big"] .hpo-news-card__media img,
  .news-rot__track i.is-running { animation: none; }
  .hpo-news-card__media img,
  .hpo-news-card[data-slot="s"] { transition: none; }
}