/* ─── KB page overrides ─────────────────────────────────────────── */
/* Override base html/body overflow so KB page can scroll */
html, body { overflow: auto; height: auto; min-height: 100dvh; }
#app { height: auto; min-height: 100dvh; overflow: visible; }

/* ─── Header ────────────────────────────────────────────────────── */
.back-btn {
  font-size: 13px; font-weight: 600;
  color: var(--text-2); text-decoration: none;
  padding: 6px 10px; border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--panel);
  transition: color 0.2s, border-color 0.2s;
  white-space: nowrap;
}
.back-btn:hover { color: var(--text); border-color: var(--accent-a); }

.kb-count-badge {
  font-size: 12px; color: var(--text-3); font-weight: 600;
  padding: 4px 10px; border-radius: 99px;
  background: var(--panel); border: 1px solid var(--border);
  white-space: nowrap;
}

/* ─── Toolbar ───────────────────────────────────────────────────── */
.kb-toolbar {
  display: flex; gap: 8px; padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0; flex-wrap: wrap;
  background: var(--surface);
  position: sticky; top: var(--header-h); z-index: 10;
}

.kb-toolbar input[type="search"] {
  flex: 1; min-width: 140px;
  padding: 8px 12px; border-radius: var(--radius-sm);
  background: var(--panel); border: 1px solid var(--border);
  color: var(--text); font-size: 14px; font-family: inherit;
  outline: none;
}
.kb-toolbar input[type="search"]:focus {
  border-color: var(--accent-a);
}

.kb-toolbar button, .btn-import-label {
  padding: 8px 14px; border-radius: var(--radius-sm);
  background: var(--panel); border: 1px solid var(--border);
  color: var(--text-2); font-size: 13px; font-weight: 600;
  cursor: pointer; white-space: nowrap;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
  font-family: inherit;
}
.kb-toolbar button:hover, .btn-import-label:hover {
  color: var(--text); border-color: var(--accent-a);
  background: var(--panel-b);
}
.kb-toolbar .btn-add {
  background: rgba(124,58,237,0.15);
  border-color: rgba(124,58,237,0.35);
  color: #a78bfa;
}
.kb-toolbar .btn-add:hover {
  background: rgba(124,58,237,0.25);
  border-color: var(--accent-a);
  color: var(--text);
}

/* ─── Entry list ────────────────────────────────────────────────── */
.kb-list {
  flex: 1; padding: 16px;
  display: flex; flex-direction: column; gap: 10px;
}

.kb-empty {
  text-align: center; color: var(--text-3);
  padding: 60px 20px; font-size: 15px;
}
.kb-empty-icon { font-size: 40px; display: block; margin-bottom: 12px; }

/* ─── Entry cards ───────────────────────────────────────────────── */
.kb-card {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 14px;
  display: flex; flex-direction: column; gap: 6px;
  animation: kb-in 0.18s ease;
}
@keyframes kb-in {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.kb-card-header {
  display: flex; align-items: center; gap: 8px;
}
.kb-type-badge {
  font-size: 9px; font-weight: 700; letter-spacing: 1px;
  padding: 2px 7px; border-radius: 99px;
  background: rgba(124,58,237,0.18); color: #a78bfa;
  border: 1px solid rgba(124,58,237,0.3);
  flex-shrink: 0;
}
.kb-type-badge.qa {
  background: rgba(14,165,233,0.15); color: var(--accent-c);
  border-color: rgba(14,165,233,0.3);
}
.kb-card-title {
  font-size: 14px; font-weight: 600; flex: 1;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.kb-card-preview {
  font-size: 13px; color: var(--text-2);
  overflow: hidden; display: -webkit-box;
  -webkit-line-clamp: 2; -webkit-box-orient: vertical;
}
.kb-card-tags { display: flex; gap: 5px; flex-wrap: wrap; }
.kb-tag {
  font-size: 10px; padding: 2px 7px; border-radius: 99px;
  background: rgba(14,165,233,0.10); color: var(--accent-c);
  border: 1px solid rgba(14,165,233,0.22);
}
.kb-card-footer {
  display: flex; justify-content: flex-end; gap: 6px; margin-top: 2px;
}
.kb-card-footer button {
  padding: 5px 12px; border-radius: var(--radius-sm);
  background: var(--panel); border: 1px solid var(--border);
  color: var(--text-3); font-size: 12px; font-weight: 600;
  cursor: pointer; font-family: inherit;
  transition: color 0.2s, border-color 0.2s;
}
.kb-card-footer button:hover { color: var(--text); border-color: var(--accent-a); }
.kb-card-footer button.btn-delete:hover {
  color: #f87171; border-color: rgba(248,113,113,0.5);
}

/* ─── Modal ─────────────────────────────────────────────────────── */
.kb-modal-overlay {
  position: fixed; inset: 0; z-index: 50;
  background: rgba(6,6,26,0.80);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  display: flex; align-items: flex-end;
}
.kb-modal-overlay.hidden { display: none; }

.kb-modal {
  width: 100%; max-height: 92dvh; overflow-y: auto;
  background: var(--surface); border-top: 1px solid var(--border);
  border-radius: var(--radius) var(--radius) 0 0;
  padding: 24px 20px;
  padding-bottom: calc(24px + var(--safe-bot));
  display: flex; flex-direction: column; gap: 14px;
}

.kb-modal h2 {
  font-size: 17px; font-weight: 700;
}

.kb-modal label {
  font-size: 13px; font-weight: 600; color: var(--text-2);
  display: flex; flex-direction: column; gap: 5px;
}
.kb-modal input, .kb-modal textarea, .kb-modal select {
  padding: 10px 12px; border-radius: var(--radius-sm);
  background: var(--panel); border: 1px solid var(--border);
  color: var(--text); font-size: 14px; font-family: inherit;
  outline: none; width: 100%;
  transition: border-color 0.2s;
}
.kb-modal input:focus, .kb-modal textarea:focus, .kb-modal select:focus {
  border-color: var(--accent-a);
}
.kb-modal textarea { resize: vertical; }
.kb-modal select { cursor: pointer; }

.modal-embed-status {
  font-size: 12px; color: var(--text-3); min-height: 16px;
}

.modal-actions {
  display: flex; gap: 10px; justify-content: flex-end;
  padding-top: 4px;
}
.modal-actions button {
  padding: 10px 20px; border-radius: var(--radius-sm);
  font-size: 14px; font-weight: 600; cursor: pointer;
  font-family: inherit;
}
.modal-actions .btn-cancel {
  background: var(--panel); border: 1px solid var(--border);
  color: var(--text-2); transition: color 0.2s;
}
.modal-actions .btn-cancel:hover { color: var(--text); }
.modal-actions .btn-primary {
  background: var(--grad); color: white; border: none;
}
.modal-actions .btn-primary:disabled {
  opacity: 0.5; cursor: not-allowed;
}

/* ─── Toast ─────────────────────────────────────────────────────── */
.kb-toast {
  position: fixed;
  bottom: calc(20px + var(--safe-bot));
  left: 50%; transform: translateX(-50%);
  background: rgba(16,185,129,0.92); color: white;
  padding: 10px 20px; border-radius: 99px; font-size: 13px;
  font-weight: 600; z-index: 99;
  transition: opacity 0.3s, transform 0.3s;
  white-space: nowrap;
}
.kb-toast.hidden {
  opacity: 0; pointer-events: none;
  transform: translateX(-50%) translateY(8px);
}
.kb-toast.error {
  background: rgba(239,68,68,0.92);
}

/* ─── Responsive tweaks ─────────────────────────────────────────── */
@media (min-width: 600px) {
  .kb-list { max-width: 700px; margin: 0 auto; width: 100%; }
  .kb-toolbar { max-width: 700px; margin: 0 auto; width: 100%; }
  .kb-modal { max-width: 560px; margin: 0 auto; border-radius: var(--radius); }
  .kb-modal-overlay { align-items: center; }
}