/* ═══ Keywords Tool ═══════════════════════════════════════════════ */

/* ── Mode toggle ─────────────────────────────────────────────── */
.kw-mode-toggle {
  display: flex;
  gap: 4px;
  background: var(--bg);
  border-radius: 10px;
  padding: 4px;
  margin-bottom: 20px;
}
.kw-mode-tab {
  flex: 1;
  padding: 10px 16px;
  border: none;
  background: transparent;
  color: var(--muted);
  font-size: 14px;
  font-weight: 500;
  border-radius: 8px;
  cursor: pointer;
  transition: all .2s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  white-space: nowrap;
}
.kw-mode-tab:hover { color: var(--text); background: rgba(255,255,255,.04); }
.kw-mode-tab.active { background: var(--accent); color: var(--white); }
.kw-mode-tab.kw-mode-locked { opacity: .6; }
.kw-mode-tab.kw-mode-locked:hover { opacity: .8; }
.kw-lock-icon { font-size: 12px; }
.kw-mode-hint {
  font-size: 11px;
  opacity: .7;
  margin-left: 2px;
}

/* ── Form ────────────────────────────────────────────────────── */
.kw-form .form-row {
  display: flex;
  gap: 10px;
}
.kw-lang-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 12px;
  font-size: 14px;
  color: var(--muted);
}
.kw-lang-select {
  width: auto;
  min-width: 140px;
  padding: 6px 12px;
  font-size: 13px;
}

/* ── Progress ────────────────────────────────────────────────── */
.kw-progress-bar {
  width: 100%;
  height: 6px;
  background: var(--bg);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 12px;
}
.kw-progress-fill {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--accent), var(--cyan, #38bdf8));
  border-radius: 3px;
  transition: width .3s ease;
  animation: kw-indeterminate 1.5s infinite;
}
@keyframes kw-indeterminate {
  0%   { width: 5%; margin-left: 0; }
  50%  { width: 40%; margin-left: 30%; }
  100% { width: 5%; margin-left: 95%; }
}
.kw-progress-text {
  text-align: center;
  color: var(--muted);
  font-size: 14px;
}

/* ── Meta info ───────────────────────────────────────────────── */
.kw-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}
.kw-meta-item {
  background: var(--bg);
  padding: 12px 16px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,.06);
}
.kw-meta-label {
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .5px;
  margin-bottom: 4px;
}
.kw-meta-value {
  font-size: 14px;
  color: var(--text);
  word-break: break-word;
  line-height: 1.4;
}
.kw-meta-value.kw-meta-truncate {
  max-height: 42px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

/* ── Results tabs ────────────────────────────────────────────── */
.kw-results-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 16px;
}
.kw-tab {
  padding: 8px 16px;
  border: 1px solid rgba(255,255,255,.1);
  background: transparent;
  color: var(--muted);
  font-size: 13px;
  border-radius: 6px;
  cursor: pointer;
  transition: all .2s;
}
.kw-tab:hover { border-color: var(--accent); color: var(--text); }
.kw-tab.active { background: var(--accent); color: var(--white); border-color: var(--accent); }

/* ── Export row ───────────────────────────────────────────────── */
.kw-export-row {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

/* ── Tables ───────────────────────────────────────────────────── */
.kw-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.kw-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.kw-table th {
  text-align: left;
  padding: 10px 12px;
  background: var(--bg);
  color: var(--muted);
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .3px;
  border-bottom: 1px solid rgba(255,255,255,.08);
  white-space: nowrap;
  position: sticky;
  top: 0;
  z-index: 1;
}
.kw-table td {
  padding: 8px 12px;
  border-bottom: 1px solid rgba(255,255,255,.04);
  color: var(--text);
  vertical-align: middle;
}
.kw-table tbody tr:hover {
  background: rgba(255,255,255,.02);
}
.kw-table td:first-child {
  color: var(--muted);
  font-size: 12px;
  width: 40px;
}

/* Zone indicators */
.kw-zone {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,.1);
}
.kw-zone.kw-zone-yes {
  background: #22c55e;
  box-shadow: 0 0 4px rgba(34,197,94,.4);
}

/* Score badge */
.kw-score {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 12px;
  font-weight: 600;
  min-width: 36px;
  text-align: center;
}
.kw-score-high { background: rgba(34,197,94,.15); color: #22c55e; }
.kw-score-mid  { background: rgba(234,179,8,.15);  color: #eab308; }
.kw-score-low  { background: rgba(255,255,255,.06); color: var(--muted); }

/* Density bar */
.kw-density-bar {
  display: inline-block;
  height: 4px;
  background: var(--accent);
  border-radius: 2px;
  min-width: 2px;
  max-width: 100px;
  vertical-align: middle;
  margin-left: 6px;
  opacity: .6;
}

/* Source badge */
.kw-source {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 11px;
  font-weight: 500;
}
.kw-source-suggest  { background: rgba(91,138,248,.15); color: #5b8af8; }
.kw-source-alphabet { background: rgba(124,96,245,.15);  color: #7c60f5; }
.kw-source-question { background: rgba(56,189,248,.15);  color: #38bdf8; }

/* ── Expand summary ──────────────────────────────────────────── */
.kw-expand-summary {
  display: flex;
  gap: 16px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.kw-expand-stat {
  background: var(--bg);
  padding: 10px 16px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,.06);
  text-align: center;
}
.kw-expand-stat-value {
  font-size: 24px;
  font-weight: 700;
  color: var(--accent);
}
.kw-expand-stat-label {
  font-size: 12px;
  color: var(--muted);
}

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 768px) {
  .kw-mode-toggle {
    flex-direction: column;
  }
  .kw-form .form-row {
    flex-direction: column;
  }
  .kw-meta {
    grid-template-columns: 1fr;
  }
  .kw-results-tabs {
    flex-wrap: wrap;
  }
  .kw-table {
    font-size: 12px;
  }
  .kw-table th,
  .kw-table td {
    padding: 6px 8px;
  }
}

@media (max-width: 480px) {
  .kw-expand-summary {
    flex-direction: column;
  }
}

/* ── Focus-visible (accessibility) ── */
:focus-visible {
  outline: 2px solid var(--accent, #59a8ff);
  outline-offset: 2px;
  border-radius: 4px;
}