/* public/css/giai.css — Giao diện Lịch giải chạy & Chi tiết giải */

/* ==========================================================================
   1. TRANG DANH SÁCH GIẢI (/giai/)
   ========================================================================== */

.khung-trang-giai {
  padding-block: 28px 60px;
}

/* Tiêu đề trang */
.dau-muc-giai {
  margin-bottom: 24px;
}

.dau-muc-giai h1 {
  font-size: clamp(1.75rem, 3.5vw, 2.25rem);
  color: var(--navy-900);
  margin-bottom: 6px;
}

.dau-muc-giai .cau-nguon {
  color: var(--text-muted);
  font-size: 0.92rem;
}

/* Tab Sắp diễn ra / Đã qua */
.tab-giai-wrap {
  display: flex;
  gap: 8px;
  border-bottom: 2px solid var(--border-default);
  margin-bottom: 20px;
}

.tab-giai {
  background: none;
  border: none;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-muted);
  padding: 10px 16px;
  cursor: pointer;
  position: relative;
  transition: color 150ms var(--ease-standard);
}

.tab-giai:hover {
  color: var(--navy-800);
}

.tab-giai.dang-chon {
  color: var(--navy-800);
}

.tab-giai.dang-chon::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--teal-500);
}

/* Bộ lọc (Filter Chips) */
.bo-loc-giai {
  background: var(--white);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-card);
  padding: 18px 20px;
  margin-bottom: 28px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.hang-loc {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.nhan-loc {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  min-width: 70px;
}

.danh-sach-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  flex: 1;
}

.chip {
  background: var(--gray-100);
  border: 1px solid transparent;
  color: var(--text-secondary);
  font-family: inherit;
  font-size: 0.84rem;
  font-weight: 500;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all 140ms var(--ease-standard);
  text-decoration: none;
  white-space: nowrap;
}

.chip:hover {
  background: var(--teal-50);
  color: var(--navy-900);
  border-color: var(--teal-300);
}

.chip.dang-chon {
  background: var(--navy-800);
  color: #fff;
  border-color: var(--navy-800);
}

/* Ô chọn tháng */
.chon-thang {
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--navy-900);
  background: var(--gray-100);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-pill);
  padding: 5px 14px;
  cursor: pointer;
  outline: none;
}
.chon-thang:focus {
  border-color: var(--teal-500);
}

/* Lưới danh sách thẻ giải */
.danh-sach-giai {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

@media (min-width: 680px) {
  .danh-sach-giai {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .danh-sach-giai {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Thẻ giải chạy (Card) */
.the-giai {
  background: var(--white);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-card);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 140ms var(--ease-standard), box-shadow 140ms var(--ease-standard), border-color 140ms var(--ease-standard);
  position: relative;
}

.the-giai:hover {
  border-color: var(--teal-300);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.the-giai__dau {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 12px;
}

.the-giai__dem-ngay {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--teal-500);
  background: var(--teal-50);
  padding: 3px 9px;
  border-radius: var(--radius-pill);
}

.the-giai__dem-ngay.da-qua {
  color: var(--text-muted);
  background: var(--gray-100);
}

.the-giai__nhan-tam {
  font-size: 0.75rem;
  font-weight: 600;
  color: #b45309;
  background: #fef3c7;
  padding: 3px 8px;
  border-radius: var(--radius-pill);
}

.the-giai__ten {
  font-size: 1.12rem;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 10px;
}

.the-giai__ten a {
  color: var(--navy-900);
  text-decoration: none;
}
.the-giai__ten a:hover {
  color: var(--teal-500);
}

.the-giai__chi-tiet {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 14px;
}

.the-giai__hang {
  display: flex;
  align-items: center;
  gap: 6px;
}

.the-giai__cu-ly-list {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 4px;
  margin-bottom: 16px;
}

.pill-cu-ly {
  display: inline-flex;
  align-items: center;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--navy-800);
  background: var(--teal-100);
  padding: 2px 8px;
  border-radius: var(--radius-pill);
}

.the-giai__chan {
  border-top: 1px solid var(--border-subtle);
  padding-top: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  flex-wrap: wrap;
}

.the-giai__nhom-nut {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.nut-link-nho {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--navy-800);
  background: var(--gray-100);
  border: 1px solid var(--border-default);
  padding: 5px 10px;
  border-radius: var(--radius-control);
  text-decoration: none;
  transition: all 120ms ease;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.nut-link-nho:hover {
  background: var(--teal-50);
  border-color: var(--teal-300);
  color: var(--navy-900);
}

/* Dropdown thêm vào lịch */
.menu-lich-wrap {
  position: relative;
  display: inline-block;
}

.nut-menu-lich {
  font-family: inherit;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--navy-800);
  background: var(--white);
  border: 1px solid var(--border-default);
  padding: 5px 10px;
  border-radius: var(--radius-control);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.nut-menu-lich:hover {
  background: var(--gray-100);
}

.menu-lich-dropdown {
  position: absolute;
  bottom: calc(100% + 6px);
  right: 0;
  background: var(--white);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-control);
  box-shadow: var(--shadow-md);
  padding: 6px;
  min-width: 170px;
  z-index: 20;
  display: none;
  flex-direction: column;
  gap: 4px;
}

.menu-lich-dropdown.hien {
  display: flex;
}

.menu-lich-dropdown a {
  font-size: 0.82rem;
  color: var(--navy-900);
  padding: 6px 10px;
  border-radius: 6px;
  text-decoration: none;
  white-space: nowrap;
}

.menu-lich-dropdown a:hover {
  background: var(--teal-50);
  color: var(--teal-500);
}

/* Phân trang */
.phan-trang {
  margin-top: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.nut-phan-trang {
  font-family: inherit;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--navy-900);
  background: var(--white);
  border: 1px solid var(--border-default);
  padding: 7px 16px;
  border-radius: var(--radius-control);
  cursor: pointer;
  transition: all 120ms ease;
}

.nut-phan-trang:hover:not(:disabled) {
  background: var(--gray-100);
  border-color: var(--gray-300);
}

.nut-phan-trang:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.chu-trang {
  font-size: 0.88rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* Trạng thái rỗng / Đang tải */
.giai-trong {
  text-align: center;
  padding: 60px 20px;
  background: var(--white);
  border: 1px dashed var(--gray-300);
  border-radius: var(--radius-card);
  color: var(--text-muted);
}

.giai-trong .bieu-tuong {
  font-size: 2.2rem;
  margin-bottom: 10px;
}

.giai-trong p {
  font-size: 1rem;
  color: var(--text-secondary);
}


/* ==========================================================================
   2. TRANG CHI TIẾT GIẢI SSR (/giai/<slug>)
   ========================================================================== */

.giai-ct {
  padding-block: 32px 64px;
  max-width: 800px;
  margin-inline: auto;
}

.giai-ct__ve {
  margin-bottom: 20px;
}

.giai-ct__ve a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--navy-800);
  text-decoration: none;
}
.giai-ct__ve a:hover {
  color: var(--teal-500);
}

.giai-ct__ten {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  color: var(--navy-900);
  line-height: 1.25;
  margin-bottom: 12px;
}

.giai-ct__dem {
  display: inline-block;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--teal-500);
  background: var(--teal-50);
  border: 1px solid var(--teal-100);
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  margin-bottom: 28px;
}

.giai-ct__dem.da-qua {
  color: var(--text-muted);
  background: var(--gray-100);
  border-color: var(--border-default);
}

.giai-ct__thong-tin {
  background: var(--white);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-sm);
  padding: 12px 24px;
  margin-bottom: 28px;
  display: grid;
  grid-template-columns: 140px 1fr;
  row-gap: 14px;
  column-gap: 16px;
  align-items: baseline;
}

@media (max-width: 520px) {
  .giai-ct__thong-tin {
    grid-template-columns: 1fr;
    row-gap: 6px;
    padding: 16px;
  }
}

.giai-ct__thong-tin dt {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-muted);
}

@media (max-width: 520px) {
  .giai-ct__thong-tin dt {
    margin-top: 8px;
  }
  .giai-ct__thong-tin dt:first-child {
    margin-top: 0;
  }
}

.giai-ct__thong-tin dd {
  font-size: 0.98rem;
  font-weight: 500;
  color: var(--navy-900);
  line-height: 1.5;
}

.nhan-tam {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  color: #b45309;
  background: #fef3c7;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  margin-left: 6px;
  vertical-align: middle;
}

/* Các nút hành động trên trang chi tiết */
.giai-ct__nut {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 32px;
}

.nut {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border-radius: var(--radius-control);
  font-family: inherit;
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  background: var(--white);
  color: var(--navy-900);
  border: 1px solid var(--border-default);
  box-shadow: var(--shadow-sm);
  transition: all 140ms var(--ease-standard);
}

.nut:hover {
  background: var(--gray-100);
  border-color: var(--gray-300);
  color: var(--navy-900);
  transform: translateY(-1px);
}

.nut--chinh {
  background: var(--navy-800);
  color: #fff;
  border-color: var(--navy-800);
}

.nut--chinh:hover {
  background: var(--teal-500);
  border-color: var(--teal-500);
  color: #fff;
}

.nut--hub {
  background: var(--teal-50);
  border-color: var(--teal-300);
  color: var(--navy-900);
}

.nut--hub:hover {
  background: var(--teal-100);
  border-color: var(--teal-500);
}

.giai-ct__nguon {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.giai-ct__nguon a {
  color: var(--navy-800);
  text-decoration: underline;
}

.giai-ct__canh-bao {
  font-size: 0.85rem;
  color: var(--text-secondary);
  background: var(--gray-100);
  padding: 10px 16px;
  border-radius: var(--radius-control);
  margin-top: 12px;
}