/* ============================================================
   knowledge.css — the Knowledge screen (#/knowledge).
   The transparency view: approved knowledge, by category.
   Everything is scoped under .screen--knowledge.
   ============================================================ */

/* ---- Header --------------------------------------------- */

.screen--knowledge .kb-head {
  max-width: 720px;
  margin-bottom: var(--sp-5);
}
.screen--knowledge .kb-title {
  margin: 0;
}

/* ---- Loading / error states ----------------------------- */

.screen--knowledge .kb-state {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--sp-3);
  padding: var(--sp-5) 0;
}
.screen--knowledge .kb-state__note {
  font-family: var(--athera-sans);
  font-size: 14px;
  color: var(--grey);
}
.screen--knowledge .kb-state__msg {
  max-width: 460px;
  margin: 0;
  font-size: 16px;
  font-weight: 300;
  color: var(--charcoal-light);
}

/* ---- Property header ------------------------------------ */

.screen--knowledge .kb-property {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-bottom: var(--sp-3);
  margin-bottom: var(--sp-4);
  border-bottom: 1px solid var(--line);
}
.screen--knowledge .kb-property__name {
  font-family: var(--athera-display);
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--charcoal);
}

/* ---- Add FAQ panel -------------------------------------- */

.screen--knowledge .kb-add {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: var(--sp-3);
  margin-bottom: var(--sp-4);
}
.screen--knowledge .kb-add.is-open {
  border-color: var(--athera-blue-light);
}
.screen--knowledge .kb-add__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
}
.screen--knowledge .kb-add__hint {
  margin: 6px 0 0;
  font-size: 14px;
  font-weight: 300;
  line-height: 1.6;
  color: var(--charcoal-light);
}
.screen--knowledge .kb-add__form {
  margin-top: var(--sp-3);
  padding-top: var(--sp-3);
  border-top: 1px solid var(--line-light);
}
.screen--knowledge .kb-add__form[hidden] { display: none; }
.screen--knowledge .kb-add__fields {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--sp-3);
}
.screen--knowledge .kb-add__form .field { margin-bottom: var(--sp-3); }
.screen--knowledge .kb-add__fields .field { margin-bottom: 0; }
.screen--knowledge .kb-add__actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--sp-2);
}

/* ---- Category tabs -------------------------------------- */

.screen--knowledge .kb-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-1);
  margin-bottom: var(--sp-4);
  padding-bottom: var(--sp-3);
  border-bottom: 1px solid var(--line);
}
.screen--knowledge .kb-tab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  font-family: var(--athera-sans);
  font-size: 13px;
  font-weight: 500;
  color: var(--grey);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 999px;
  cursor: pointer;
  transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}
.screen--knowledge .kb-tab:hover { color: var(--charcoal); }
.screen--knowledge .kb-tab__count {
  font-family: var(--athera-mono);
  font-size: 11px;
  color: var(--grey-light);
}
.screen--knowledge .kb-tab.is-active {
  color: var(--blue-deep);
  background: rgba(95, 184, 214, 0.1);
  border-color: rgba(95, 184, 214, 0.28);
}
.screen--knowledge .kb-tab.is-active .kb-tab__count { color: var(--athera-blue); }

/* ---- Entry grid + cards --------------------------------- */

.screen--knowledge .kb-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--sp-3);
}
.screen--knowledge .kb-card { height: 100%; }
.screen--knowledge .kb-card .card__body {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  height: 100%;
}
.screen--knowledge .kb-card__topic {
  margin: 0;
  font-family: var(--athera-display);
  font-size: 22px;
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--charcoal);
}
.screen--knowledge .kb-card__answer {
  margin: 0;
  font-size: 15px;
  font-weight: 400;
  line-height: 1.65;
  color: var(--charcoal-light);
}
.screen--knowledge .kb-card__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: auto;
  padding-top: var(--sp-2);
  border-top: 1px solid var(--line-light);
  font-size: 12px;
  color: var(--grey);
}
.screen--knowledge .kb-card__owner { color: var(--grey); }
.screen--knowledge .kb-card__sep { color: var(--grey-light); }
.screen--knowledge .kb-card__updated {
  font-family: var(--athera-mono);
  font-size: 11px;
  color: var(--grey-light);
}
/* Push the approved badge to the end of the meta row. */
.screen--knowledge .kb-card__meta .badge--approved { margin-left: auto; }
.screen--knowledge .badge--approved {
  color: var(--blue-deep);
  border-color: rgba(42, 143, 176, 0.3);
  background: rgba(95, 184, 214, 0.08);
}

.screen--knowledge .kb-empty {
  grid-column: 1 / -1;
  margin: 0;
  padding: var(--sp-4) 0;
  font-size: 15px;
  font-weight: 300;
  color: var(--grey);
}

/* ---- Bottom actions ------------------------------------- */

.screen--knowledge .kb-actions {
  display: flex;
  justify-content: space-between;
  gap: var(--sp-2);
  margin-top: var(--sp-5);
  padding-top: var(--sp-4);
  border-top: 1px solid var(--line);
}

/* ---- Responsive ----------------------------------------- */

@media (max-width: 720px) {
  .screen--knowledge .kb-grid { grid-template-columns: 1fr; }
  .screen--knowledge .kb-add__fields { grid-template-columns: 1fr; }
  .screen--knowledge .kb-add__bar { flex-direction: column; align-items: flex-start; }
  .screen--knowledge .kb-actions { flex-direction: column-reverse; }
  .screen--knowledge .kb-actions .btn { width: 100%; }
}