/* ==========================================================================
   Public site — Publications fine-tuning (works with Tailwind classes)
   Save as: /assets/public.css
   ========================================================================== */


:root{
  --brand: #7a0e12;   /* đỏ trầm cho nhấn mạnh */
  --ink:   #1f2937;   /* gray-800 */
  --muted: #6b7280;   /* gray-500/600 */
  --ring:  #9b1c1f;   /* nhẫn focus */
}

/* ========== Khối Publications ========== */
#publications{
  background: #fff;
  border-radius: 0.75rem;
}

#publications .publication-year{
  color: var(--brand);
  font-weight: 700;
  padding-top: 1.25rem;       /* bổ sung vì Tailwind có thể bị ghi đè */
  border-top: 1px solid #e5e7eb;
}

/* Mỗi item */
#publications .publication-item{
  line-height: 1.6;
  transition: transform .15s ease, background-color .15s ease;
  border-radius: .5rem;
  padding: .25rem .25rem 0 .25rem; /* nhấn nhẹ khối */
}
#publications .publication-item:hover{
  background-color: #fafafa;
  transform: translateY(-1px);
}

/* Đoạn trích dẫn (citation) + liên kết */
#publications .publication-item p{
  margin: .25rem 0 0 0;
  color: var(--ink);
}
#publications .publication-item a{
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color .15s ease, background-color .15s ease;
}
#publications .publication-item a:hover{
  color: var(--brand);
}

/* Nút badge/logo trong mỗi publication-item (không đụng tới 3 nút filter) */
#publications .publication-item button{
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  border-radius: 999px;
  border: 1px solid #111827; /* gần gray-900 */
  padding: .35rem .9rem;
  font-size: .85rem;
  line-height: 1rem;
  background: #fff;
  cursor: default;
  user-select: text;
}
#publications .publication-item button .btn-img{
  display: inline-block;
  width: 1.2rem;
  height: 1.2rem;
  object-fit: contain;
  vertical-align: middle;
}

/* 3 nút lọc trên header (id cố định) — hiệu ứng focus & active mượt hơn */
#filter-all, #filter-journal, #filter-conference{
  border: 1px solid #e5e7eb;
  transition: background-color .15s ease, color .15s ease, border-color .15s ease, transform .12s ease;
}
#filter-all:hover, #filter-journal:hover, #filter-conference:hover{
  border-color: #cbd5e1;
  transform: translateY(-1px);
}
#filter-all:focus-visible, #filter-journal:focus-visible, #filter-conference:focus-visible{
  outline: 2px solid transparent;
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--ring), white 70%);
}

/* Hiệu ứng xuất hiện nhẹ cho danh sách sau khi render bằng JS */
#publications-list{
  animation: pub-fade-in .25s ease-out;
}
@keyframes pub-fade-in{
  from{ opacity:0; transform: translateY(2px); }
  to  { opacity:1; transform: translateY(0); }
}

/* Nhịp độ dọc gọn gàng giữa các item */
#publications-list .publication-item + .publication-item{
  margin-top: .75rem;
}

/* Đảm bảo hình trong badge không vượt quá hàng */
#publications .publication-item button img{
  max-height: 1.25rem;
  width: auto;
}

/* ========== Dark mode nhã (nếu trang có class .dark) ========== */
.dark #publications{
  background: #0b0b0b;
}
.dark #publications .publication-year{
  border-top-color: #262626;
  color: #fca5a5;
}
.dark #publications .publication-item:hover{
  background-color: #111111;
}
.dark #publications .publication-item p{
  color: #e5e7eb;
}
.dark #publications .publication-item a{
  color: #93c5fd;
}
.dark #publications .publication-item a:hover{
  color: #bfdbfe;
}
.dark #filter-all, .dark #filter-journal, .dark #filter-conference{
  border-color: #262626;
}

/* ========== In ấn (print) ========== */
@media print{
  header, footer,
  #filter-all, #filter-journal, #filter-conference{
    display: none !important;
  }
  #publications{
    box-shadow: none !important;
    border: none !important;
    padding: 0 !important;
  }
  #publications .publication-item{
    background: #fff !important;
    transform: none !important;
    page-break-inside: avoid;
  }
  #publications .publication-item button{
    border: 1px solid #999 !important;
    color: #111 !important;
  }
}