/* =========================================================================
   kao-chrome.css — Header + nav + footer cho toàn site (thay header/footer
   mặc định của GeneratePress). Khớp với .pv-header / .pv-foot trong file mẫu.
   ========================================================================= */

/* Reset nền GeneratePress để khớp tông màu kao */
body { background: var(--kao-bg); }
.kao-site #page,
.kao-site .site-content,
.kao-site #content { background: transparent; }

/* ---------- HEADER ---------- */
.pv-header {
  background: var(--kao-surface);
  border-bottom: 1px solid var(--kao-line);
  position: sticky; top: 0; z-index: 50;
}
.pv-bar {
  max-width: var(--kao-maxw); margin: 0 auto; padding: 0 24px;
  min-height: 64px; display: flex; align-items: center; gap: 22px;
}
.pv-brand { display: flex; align-items: baseline; gap: 9px; text-decoration: none; flex: 0 0 auto; }
.pv-brand .mark { font-family: var(--kao-font-mono); font-weight: 700; font-size: 19px; color: var(--kao-ink); }
.pv-brand .mark b { color: var(--kao-accent); }
.pv-brand .glyph { font-family: var(--kao-font-kao); color: var(--kao-accent); font-size: 18px; }
.pv-nav { margin-left: auto; display: flex; gap: 4px; align-items: center; flex-wrap: wrap; justify-content: flex-end; }
.pv-nav a {
  font-size: 13.5px; color: var(--kao-ink-soft); text-decoration: none;
  padding: 7px 11px; border-radius: 9px; white-space: nowrap; line-height: 1;
}
.pv-nav a:hover { background: var(--kao-line-soft); color: var(--kao-ink); }
.pv-nav a.is-current { color: var(--kao-accent-ink); font-weight: 600; }

/* nút mở menu trên mobile */
.pv-burger {
  display: none; margin-left: auto; background: none; border: 1px solid var(--kao-line);
  border-radius: 9px; width: 38px; height: 38px; cursor: pointer; color: var(--kao-ink);
  align-items: center; justify-content: center; padding: 0;
}
.pv-burger svg { width: 20px; height: 20px; }

@media (max-width: 720px) {
  .pv-bar { flex-wrap: wrap; padding: 0 16px; }
  .pv-burger { display: inline-flex; }
  .pv-nav {
    flex-basis: 100%; margin: 0 0 8px; display: none;
    flex-direction: column; align-items: stretch; gap: 2px;
  }
  .pv-nav.is-open { display: flex; }
  .pv-nav a { padding: 11px 12px; border-radius: 10px; font-size: 15px; }
}

/* ---------- Trang giao diện kao (trang chủ + chủ đề): bỏ khung mặc định GP ---------- */
.kao-fullpage .entry-header,
.kao-fullpage .page-header,
.kao-fullpage .featured-image { display: none !important; }
.kao-fullpage .inside-article { padding: 0 !important; border: 0 !important; box-shadow: none !important; background: transparent !important; }
.kao-fullpage .entry-content { margin: 0 !important; }
.kao-fullpage #right-sidebar,
.kao-fullpage #left-sidebar { display: none !important; }
.kao-fullpage .content-area { width: 100% !important; float: none !important; }
.kao-fullpage .site-content,
.kao-fullpage .inside-article > .entry-content > * { }
/* kao-app trải full chiều ngang, kao-wrap tự canh giữa như file mẫu */
.kao-fullpage .kao-app { width: 100%; }

/* ---------- HERO trang chủ (khớp .pv-hero trong home.html) ---------- */
.pv-hero { text-align: center; padding: 46px 0 8px; }
.pv-hero h1 {
  font-family: var(--kao-font-ui); font-weight: 700;
  font-size: clamp(28px, 5vw, 42px); letter-spacing: -0.025em;
  margin: 0 0 8px; color: var(--kao-ink); line-height: 1.12;
}
.pv-hero h1 .glyph { font-family: var(--kao-font-kao); color: var(--kao-accent); }
.pv-hero p { font-size: 16px; color: var(--kao-ink-soft); margin: 0 auto 6px; max-width: 52ch; }

/* ---------- Từ khoá đã tìm gần đây (dưới ô tìm) ---------- */
.kao-recent { display: flex; flex-wrap: wrap; gap: 7px; align-items: center; margin-top: 12px; }
.kao-recent .kao-mono { color: var(--kao-ink-faint); margin-right: 2px; }
.kao-recent-clear { border: 0; background: none; cursor: pointer; color: var(--kao-ink-faint); width: 28px; height: 28px; display: inline-flex; align-items: center; justify-content: center; border-radius: 8px; }
.kao-recent-clear:hover { background: var(--kao-line-soft); color: var(--kao-ink); }
.kao-recent-clear svg { width: 14px; height: 14px; }

/* ---------- Nút nổi "Đã copy" ---------- */
.kao-fab {
  position: fixed; right: 18px; bottom: 22px; z-index: 60;
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--kao-accent); color: #fff; text-decoration: none;
  padding: 11px 16px; border-radius: 999px;
  font-family: var(--kao-font-ui); font-weight: 600; font-size: 14px; line-height: 1;
  box-shadow: 0 10px 26px color-mix(in oklab, var(--kao-accent) 42%, transparent);
  transition: filter .15s, transform .15s;
}
.kao-fab:hover { filter: brightness(.96); color: #fff; transform: translateY(-1px); }
.kao-fab svg { width: 18px; height: 18px; }
.kao-fab-n { background: rgba(255,255,255,.26); border-radius: 999px; padding: 2px 7px; font-size: 12px; font-weight: 700; }
@media (max-width: 600px) {
  .kao-fab { right: 12px; bottom: 14px; padding: 12px; }
  .kao-fab-label { display: none; }
}

/* Nút "lên đầu trang" của GeneratePress: xếp NGAY TRÊN nút "Đã copy"
   để không đè lên nhau (mặc định cả hai đều nằm góc phải dưới). */
.generate-back-to-top { bottom: 80px !important; right: 22px !important; }
@media (max-width: 600px) {
  .generate-back-to-top { bottom: 70px !important; right: 14px !important; }
}

/* nút xoá lịch sử trên trang /da-copy */
.kao-copied-clear { border: 1px solid var(--kao-line); background: var(--kao-surface); color: var(--kao-ink-soft); border-radius: 999px; padding: 4px 12px; font-size: 12.5px; cursor: pointer; }
.kao-copied-clear:hover { border-color: var(--kao-accent); color: var(--kao-accent-ink); }

/* ---------- FOOTER ---------- */
.pv-foot { border-top: 1px solid var(--kao-line); margin-top: 36px; background: var(--kao-surface); }
.pv-foot .in {
  max-width: var(--kao-maxw); margin: 0 auto; padding: 22px 24px 50px;
  display: flex; gap: 14px; flex-wrap: wrap; align-items: center;
}
.pv-foot .mark { font-family: var(--kao-font-mono); font-weight: 700; font-size: 16px; color: var(--kao-ink); }
.pv-foot .mark b { color: var(--kao-accent); }
.pv-foot .pv-links { display: flex; gap: 14px; flex-wrap: wrap; }
.pv-foot .pv-links a { font-size: 13px; color: var(--kao-ink-soft); text-decoration: none; }
.pv-foot .pv-links a:hover { color: var(--kao-accent-ink); }
.pv-foot .kao-mono { color: var(--kao-ink-faint); }