/* Lớp tìm kiếm — dùng chung cho trang chủ, trang con và bài viết */
.nut-tim{background:none;border:none;cursor:pointer;padding:7px;border-radius:9px;
  display:grid;place-items:center;color:inherit;line-height:0}
.nut-tim:hover{background:rgba(127,127,127,.14)}
.nut-tim svg{width:20px;height:20px}

.tk-lop{position:fixed;inset:0;z-index:2147483600;background:rgba(10,14,12,.55);
  backdrop-filter:blur(3px);display:none;align-items:flex-start;justify-content:center;
  padding:min(12vh,90px) 16px 16px}
.tk-lop.mo{display:flex}
.tk-hop{width:100%;max-width:620px;background:var(--paper,#faf8f4);border-radius:16px;
  box-shadow:0 20px 60px rgba(0,0,0,.35);overflow:hidden;
  display:flex;flex-direction:column;max-height:76vh}
.tk-dau{display:flex;align-items:center;gap:8px;padding:12px 14px;
  border-bottom:1px solid var(--line,#e2ddd3)}
.tk-o{flex:1;border:none;background:none;font:inherit;font-size:1.02rem;
  padding:9px 4px;color:var(--ink,#1a1a18);outline:none;min-width:0}
.tk-o::-webkit-search-cancel-button{cursor:pointer}
.tk-dong{border:none;background:none;cursor:pointer;font-size:1.05rem;padding:8px 10px;
  border-radius:9px;color:var(--ink-soft,#5a5a52)}
.tk-dong:hover{background:rgba(127,127,127,.14)}
.tk-kq{overflow-y:auto;padding:6px}
.tk-mot{display:block;padding:12px 14px;border-radius:11px;text-decoration:none;
  color:var(--ink,#1a1a18)}
.tk-mot:hover,.tk-mot:focus{background:rgba(127,127,127,.11)}
.tk-mot b{display:block;font-size:1rem;line-height:1.45;margin:2px 0}
.tk-loai{display:inline-block;font-size:.76rem;font-weight:600;letter-spacing:.04em;
  text-transform:uppercase;color:var(--celadon,#4f7d6a)}
.tk-mo{display:block;font-size:.88rem;line-height:1.55;color:var(--ink-soft,#5a5a52)}
.tk-trong{padding:26px 18px;text-align:center;font-size:.94rem;line-height:1.7;
  color:var(--ink-soft,#5a5a52);margin:0}
.tk-trong a{color:var(--vermilion,#c8452f)}

@media(max-width:560px){
  .tk-lop{padding:0}
  .tk-hop{max-width:none;border-radius:0;max-height:100vh;height:100vh}
  .tk-kq{flex:1}
}