/* ============================================================
   Knowledge Base — AI Search (modal + hero trigger)
   Prefixed --kb-* variables so they don't collide with variables.css
   ============================================================ */
:root {
  --kb-violet: #7F00FF;
  --kb-violet-soft: #F5EBFF;
  --kb-violet-soft-2: #F5F1FE;
  --kb-lavender: #DECEFB;
  --kb-dark: #281853;
  --kb-text: #2D2D2D;
  --kb-text-light: #666666;
  --kb-border: #EBEBEB;
  --kb-shadow: 0 24px 70px rgba(40, 24, 83, 0.35);
}

/* ---------- Hero trigger (replaces the old inline search box) ---------- */
.kb-hero-trigger {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  height: 52px;
  padding: 0 14px 0 18px;
  background: rgba(255, 255, 255, 0.12);
  border: none;
  border-radius: 10px;
  cursor: pointer;
  font-family: 'Poppins', sans-serif;
  font-size: 15px;
  font-weight: 300;
  color: rgba(255, 255, 255, 0.85);
  transition: background 0.2s;
  overflow: hidden;
}
.kb-hero-trigger:hover { background: rgba(255, 255, 255, 0.18); }
.kb-hero-trigger .kb-mag { display: flex; flex-shrink: 0; color: #fff; }
.kb-hero-trigger .kb-mag svg path { stroke: #fff; }

/* Section hero (Essentials, HR Toolkit, …) search placement */
.khs-hero__search { margin-top: 24px; max-width: 620px; }

/* Hide the old grey magnifier from knowledge-hub-main.css (was for the old search box) */
.kh-hero__search::before { content: none; display: none; }
.kb-hero-trigger .kb-hero-trigger__label {
  flex: 1;
  min-width: 0;
  text-align: left;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.kb-hero-trigger kbd {
  flex-shrink: 0;
  font-family: inherit;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.9);
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 6px;
  padding: 3px 7px;
  line-height: 1;
}

/* ============================================================ MODAL ============================================================ */
.kb-overlay {
  position: fixed; inset: 0; background: rgba(40, 24, 83, 0.45);
  backdrop-filter: blur(3px); display: none;
  align-items: flex-start; justify-content: center; padding: 8vh 16px 16px; z-index: 99999;
}
.kb-overlay.is-open { display: flex; }

.kb-modal {
  width: min(680px, 100%); background: #fff; border-radius: 16px;
  box-shadow: var(--kb-shadow); overflow: hidden;
  display: flex; flex-direction: column; max-height: 82vh;
  font-family: 'Poppins', sans-serif; color: var(--kb-text);
  animation: kbpop .18s ease-out;
}
@keyframes kbpop { from { opacity: 0; transform: translateY(-8px) scale(.98); } to { opacity: 1; transform: none; } }

.kb-search-header { display: flex; align-items: center; gap: 12px; padding: 16px 18px; border-bottom: 1px solid var(--kb-border); }
.kb-search-header .kb-mag { color: var(--kb-violet); display: flex; }
.kb-search-input { flex: 1; border: none; outline: none; font-family: inherit; font-size: 17px; color: var(--kb-text); background: transparent; }
.kb-search-input::placeholder { color: #9a93aa; }
.kb-esc { font-family: inherit; font-size: 11px; color: var(--kb-text-light); background: #f4f2f8; border: 1px solid var(--kb-border); border-radius: 6px; padding: 4px 8px; cursor: pointer; }

/* Ask AI hint bar (shows while typing a keyword search) */
.kb-askbar {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 10px 16px; background: var(--kb-violet-soft-2);
  border-bottom: 1px solid var(--kb-border); font-size: 13px; color: #4b2b8f;
}
.kb-askbar__text { line-height: 1.4; }
.kb-askbar__text b { color: var(--kb-violet); font-weight: 600; }
.kb-askbtn {
  flex-shrink: 0; border: 0; cursor: pointer; font-family: inherit; font-size: 13px; font-weight: 600;
  color: #fff; background: linear-gradient(135deg, #7F00FF, #a44bff);
  padding: 8px 14px; border-radius: 10px; display: inline-flex; align-items: center; gap: 6px;
  transition: filter .15s, transform .12s;
}
.kb-askbtn:hover { filter: brightness(1.06); transform: translateY(-1px); }
.kb-askbtn .kb-ai-star { font-size: 14px; }

.kb-body { overflow-y: auto; padding: 8px 8px 14px; }

.kb-section-label { font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: .04em; color: #9a93aa; padding: 12px 14px 6px; }
.kb-hit { display: flex; align-items: flex-start; gap: 12px; padding: 12px 14px; border-radius: 10px; text-decoration: none; color: inherit; cursor: pointer; }
.kb-hit:hover, .kb-hit.is-active { background: var(--kb-violet-soft-2); }
.kb-hit__icon { flex-shrink: 0; width: 34px; height: 34px; border-radius: 8px; background: var(--kb-violet-soft); color: var(--kb-violet); display: flex; align-items: center; justify-content: center; }
.kb-hit__title { font-size: 15px; font-weight: 500; color: var(--kb-dark); margin: 0 0 2px; }
.kb-hit__title b, .kb-hit__title em { color: var(--kb-violet); font-weight: 600; font-style: normal; }
.kb-hit__excerpt { font-size: 13px; color: var(--kb-text-light); line-height: 1.45; margin: 0; }
.kb-hit__excerpt b, .kb-hit__excerpt em { color: var(--kb-violet); font-weight: 600; font-style: normal; }
.kb-hit__enter { margin-left: auto; align-self: center; color: #c3bcd6; font-size: 13px; }

.kb-ai { padding: 16px 16px 8px; }
.kb-ai__badge { display: inline-flex; align-items: center; gap: 7px; background: linear-gradient(90deg, #7F00FF 0%, #a44bff 100%); color: #fff; font-size: 12px; font-weight: 600; padding: 6px 12px; border-radius: 999px; margin-bottom: 14px; }
.kb-ai__badge .kb-ai-star { font-size: 14px; }
.kb-ai__question { font-size: 13px; color: var(--kb-text-light); margin: 0 0 12px; }
.kb-ai__question b { color: var(--kb-dark); font-weight: 600; }

.kb-ai__answer { font-size: 15px; line-height: 1.65; color: var(--kb-text); margin: 0 0 18px; }
.kb-ai__answer h2 { font-size: 17px; font-weight: 600; color: var(--kb-dark); margin: 18px 0 8px; }
.kb-ai__answer h3 { font-size: 15px; font-weight: 600; color: var(--kb-dark); margin: 14px 0 6px; }
.kb-ai__answer p { margin: 0 0 12px; }
.kb-ai__answer ol, .kb-ai__answer ul { margin: 0 0 12px; padding-left: 20px; }
.kb-ai__answer li { margin-bottom: 6px; }
.kb-ai__answer a { color: var(--kb-violet); text-decoration: underline; }
.kb-ai__answer code { background: var(--kb-violet-soft); padding: 1px 5px; border-radius: 4px; font-size: 13px; }

.kb-ai__loading { display: flex; align-items: center; gap: 10px; color: var(--kb-text-light); font-size: 14px; padding: 8px 0 18px; }
.kb-ai__dots { display: inline-flex; gap: 4px; }
.kb-ai__dots span { width: 7px; height: 7px; border-radius: 50%; background: var(--kb-violet); animation: kbdot 1s infinite ease-in-out both; }
.kb-ai__dots span:nth-child(2) { animation-delay: .16s; }
.kb-ai__dots span:nth-child(3) { animation-delay: .32s; }
@keyframes kbdot { 0%,80%,100%{ transform: scale(.5); opacity:.4;} 40%{ transform: scale(1); opacity:1;} }

.kb-ai__sources-label, .kb-suggestions__label { font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: .04em; color: #9a93aa; margin: 0 0 10px; }
.kb-source { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border: 1px solid var(--kb-border); border-radius: 10px; text-decoration: none; color: inherit; margin-bottom: 8px; transition: border-color .15s, background .15s; }
.kb-source:hover { border-color: var(--kb-lavender); background: var(--kb-violet-soft-2); }
.kb-source__num { flex-shrink: 0; width: 22px; height: 22px; border-radius: 6px; background: var(--kb-violet-soft); color: var(--kb-violet); font-size: 12px; font-weight: 600; display: flex; align-items: center; justify-content: center; }
.kb-source__title { font-size: 14px; font-weight: 500; color: var(--kb-dark); }
.kb-source__arrow { margin-left: auto; color: #c3bcd6; }

.kb-suggestions { margin-top: 16px; }
.kb-chip { display: inline-block; margin: 0 6px 6px 0; padding: 7px 12px; background: var(--kb-violet-soft); color: var(--kb-violet); border: none; border-radius: 999px; font-family: inherit; font-size: 13px; cursor: pointer; transition: background .15s; }
.kb-chip:hover { background: var(--kb-lavender); }

.kb-ai__disclaimer { font-size: 12px; color: #9a93aa; line-height: 1.5; margin: 14px 2px 4px; padding-top: 12px; border-top: 1px solid var(--kb-border); }
.kb-ai__empty, .kb-empty { padding: 40px 20px; text-align: center; color: var(--kb-text-light); font-size: 14px; }
.kb-error { padding: 20px; margin: 8px; background: #fff4f0; border: 1px solid #f5d3c6; border-radius: 10px; color: #b0492a; font-size: 14px; line-height: 1.5; }
.kb-error code { background: #ffe6db; padding: 1px 5px; border-radius: 4px; }

.kb-footer { display: flex; align-items: center; gap: 16px; padding: 10px 16px; border-top: 1px solid var(--kb-border); font-size: 12px; color: #9a93aa; background: #faf9fd; }
.kb-footer kbd { font-family: inherit; background: #fff; border: 1px solid var(--kb-border); border-radius: 5px; padding: 2px 6px; font-size: 11px; }
.kb-footer__powered { margin-left: auto; }
.kb-footer__powered b { color: var(--kb-violet); font-weight: 600; }

/* ---------- Focus: remove tap outline, keep it for keyboard (a11y) ---------- */
.kb-search-input:focus { outline: none; }
.kb-modal button:focus:not(:focus-visible),
.kb-hero-trigger:focus:not(:focus-visible) { outline: none; }
.kb-modal button:focus-visible,
.kb-hero-trigger:focus-visible { outline: 2px solid var(--kb-violet); outline-offset: 2px; }

/* ---------- Mobile ---------- */
@media (max-width: 640px) {
  .kb-hero-trigger { font-size: 14px; padding: 0 14px 0 16px; }
  .kb-hero-trigger kbd { display: none; }

  .kb-overlay { padding: 5vh 10px 10px; }
  .kb-modal { max-height: 88vh; border-radius: 14px; }

  .kb-search-header { padding: 12px 14px; gap: 10px; }
  .kb-search-input { font-size: 15px; }
  .kb-search-header .kb-mag svg { width: 20px; height: 20px; }

  .kb-askbar { padding: 8px 12px; font-size: 12px; }
  .kb-askbtn { font-size: 12px; padding: 7px 12px; }

  .kb-body { padding: 6px 6px 12px; }
  .kb-section-label { font-size: 11px; padding: 10px 12px 6px; }
  .kb-hit { padding: 10px 12px; gap: 10px; }
  .kb-hit__icon { width: 30px; height: 30px; }
  .kb-hit__title { font-size: 14px; }
  .kb-hit__excerpt { font-size: 12px; }

  .kb-ai { padding: 14px 14px 8px; }
  .kb-ai__answer { font-size: 14px; }
  .kb-ai__answer h2 { font-size: 15px; }
  .kb-ai__answer h3 { font-size: 14px; }
  .kb-source__title { font-size: 13px; }
  .kb-chip { font-size: 12px; }

  .kb-empty, .kb-ai__empty { padding: 28px 16px; font-size: 13px; }

  .kb-footer { font-size: 11px; gap: 10px; padding: 9px 12px; }
  /* keyboard hints (↵ / esc) are not relevant on mobile */
  .kb-footer span:not(.kb-footer__powered) { display: none; }
}