/* ═══════════════════════════════════════════════════════════════
   Keyword Density Analyzer — style.css
   Tooleble — Text Tools
   Design: Clean professional utility tool, dark sidebar panels,
   readable data tables, color-coded density bars.
═══════════════════════════════════════════════════════════════ */

/* ─── CSS Variables ─────────────────────────────────────────── */
:root {
  --kda-primary: #1e1e2f;
  --kda-accent: #00dfd8;
  --kda-accent2: #3b82f6;
  --kda-success: #22c45e;
  --kda-warn: #f97316;
  --kda-danger: #ef4444;
  --kda-muted: #6b7280;
  --kda-border: #e5e7eb;
  --kda-bg: #f9fafb;
  --kda-surface: #ffffff;
  --kda-text: #111827;
  --kda-text-light: #6b7280;
  --kda-radius: 10px;
  --kda-shadow: 0 1px 4px rgba(0, 0, 0, 0.07), 0 4px 16px rgba(0, 0, 0, 0.06);
  --kda-shadow-lg: 0 4px 24px rgba(0, 0, 0, 0.1);
  --kda-transition: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ─── Root Container ────────────────────────────────────────── */
.kda-root {
  font-family:
    "Inter",
    system-ui,
    -apple-system,
    sans-serif;
  color: var(--kda-text);
}

.kda-subtitle {
  color: var(--kda-muted);
  font-size: 0.95rem;
}

/* ─── PANEL ─────────────────────────────────────────────────── */
.kda-panel {
  background: var(--kda-surface);
  border: 1px solid var(--kda-border);
  border-radius: var(--kda-radius);
  box-shadow: var(--kda-shadow);
  overflow: hidden;
}

.kda-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--kda-border);
  background: #fafafa;
}

.kda-panel-title {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--kda-primary);
}

.kda-panel-title svg {
  color: var(--kda-accent2);
  flex-shrink: 0;
}

.kda-header-actions {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.kda-hint {
  font-size: 0.75rem;
  color: var(--kda-muted);
}

/* ─── TOP GRID ──────────────────────────────────────────────── */
.kda-top-grid {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 16px;
  margin-bottom: 16px;
}

@media (max-width: 900px) {
  .kda-top-grid {
    grid-template-columns: 1fr;
  }
}

.kda-input-col {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-width: 0;
}

.kda-settings-col {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

/* ─── TEXTAREA ──────────────────────────────────────────────── */
.kda-textarea-wrap {
  position: relative;
  padding: 12px;
}

.kda-textarea {
  width: 100%;
  min-height: 200px;
  max-height: 380px;
  border: 1.5px solid var(--kda-border);
  border-radius: 8px;
  padding: 12px;
  font-size: 0.925rem;
  line-height: 1.7;
  font-family: inherit;
  color: var(--kda-text);
  resize: vertical;
  box-sizing: border-box;
  background: transparent;
  position: relative;
  z-index: 2;
  outline: none;
  transition:
    border-color var(--kda-transition),
    box-shadow var(--kda-transition);
  caret-color: var(--kda-accent2);
}

.kda-textarea:focus {
  border-color: var(--kda-accent2);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* Highlight layer underneath textarea */
.kda-highlight-layer {
  position: absolute;
  top: 12px;
  left: 12px;
  right: 12px;
  bottom: 12px;
  border: 1.5px solid transparent;
  border-radius: 8px;
  padding: 12px;
  font-size: 0.925rem;
  line-height: 1.7;
  font-family: inherit;
  white-space: pre-wrap;
  word-wrap: break-word;
  overflow: auto;
  pointer-events: none;
  z-index: 1;
  color: transparent;
  box-sizing: border-box;
}

.kda-highlight-layer mark {
  color: transparent;
  border-radius: 2px;
}

/* ─── LIVE STATS BAR ────────────────────────────────────────── */
.kda-live-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 10px 16px 14px;
  border-top: 1px solid var(--kda-border);
}

.kda-stat-chip {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--kda-muted);
  background: #f3f4f6;
  border-radius: 20px;
  padding: 3px 10px;
  border: 1px solid #e5e7eb;
  transition: background var(--kda-transition);
}

.kda-stat-chip span {
  font-weight: 700;
  color: var(--kda-primary);
}

/* ─── CHIP BUTTONS (panel header) ──────────────────────────── */
.kda-chip-btn {
  font-size: 0.775rem;
  font-weight: 500;
  padding: 4px 12px;
  border-radius: 20px;
  border: 1.5px solid var(--kda-border);
  background: var(--kda-surface);
  color: var(--kda-text);
  cursor: pointer;
  transition: all var(--kda-transition);
}

.kda-chip-btn:hover {
  background: #f3f4f6;
  border-color: #d1d5db;
}

.kda-chip-danger {
  color: var(--kda-danger);
  border-color: rgba(239, 68, 68, 0.3);
}

.kda-chip-danger:hover {
  background: rgba(239, 68, 68, 0.06);
  border-color: var(--kda-danger);
}

/* ─── SETTINGS PANEL ────────────────────────────────────────── */
.kda-settings-panel {
  background: var(--kda-primary);
  border-color: #2d2d44;
}

.kda-settings-panel .kda-panel-header {
  background: rgba(255, 255, 255, 0.04);
  border-bottom-color: rgba(255, 255, 255, 0.08);
}

.kda-settings-panel .kda-panel-title {
  color: #e2e8f0;
}

.kda-settings-panel .kda-panel-title svg {
  color: var(--kda-accent);
}

.kda-settings-body {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* ─── SETTING ROWS ──────────────────────────────────────────── */
.kda-setting-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.kda-setting-row--col {
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
}

.kda-setting-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
}

.kda-setting-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: #e2e8f0;
  cursor: default;
}

.kda-setting-desc {
  font-size: 0.73rem;
  color: #94a3b8;
  line-height: 1.3;
}

.kda-setting-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

/* ─── TOGGLE SWITCH ─────────────────────────────────────────── */
.kda-toggle {
  position: relative;
  display: inline-flex;
  width: 42px;
  height: 24px;
  flex-shrink: 0;
  cursor: pointer;
}

.kda-toggle input {
  opacity: 0;
  width: 0;
  height: 0;
  position: absolute;
}

.kda-toggle-slider {
  position: absolute;
  inset: 0;
  background: #374151;
  border-radius: 24px;
  transition: background var(--kda-transition);
}

.kda-toggle-slider::before {
  content: "";
  position: absolute;
  width: 17px;
  height: 17px;
  left: 4px;
  top: 50%;
  transform: translateY(-50%);
  background: #fff;
  border-radius: 50%;
  transition: transform var(--kda-transition);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.25);
}

.kda-toggle input:checked + .kda-toggle-slider {
  background: var(--kda-accent);
}

.kda-toggle input:checked + .kda-toggle-slider::before {
  transform: translate(18px, -50%);
}

.kda-toggle input:focus-visible + .kda-toggle-slider {
  outline: 2px solid var(--kda-accent);
  outline-offset: 2px;
}

/* ─── SLIDERS ───────────────────────────────────────────────── */
.kda-slider-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
}

.kda-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  border-radius: 4px;
  background: #374151;
  outline: none;
  cursor: pointer;
  flex: 1;
}

.kda-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--kda-accent);
  cursor: pointer;
  box-shadow: 0 0 0 3px rgba(0, 223, 216, 0.2);
  transition: box-shadow var(--kda-transition);
}

.kda-slider::-webkit-slider-thumb:hover {
  box-shadow: 0 0 0 5px rgba(0, 223, 216, 0.3);
}

.kda-slider::-moz-range-thumb {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--kda-accent);
  cursor: pointer;
  border: none;
}

.kda-slider-val {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--kda-accent);
  min-width: 24px;
  text-align: right;
}

/* ─── MINI TEXTAREA ─────────────────────────────────────────── */
.kda-mini-textarea {
  width: 100%;
  border: 1.5px solid #374151;
  border-radius: 6px;
  padding: 8px 10px;
  font-size: 0.82rem;
  font-family: inherit;
  color: #e2e8f0;
  background: rgba(255, 255, 255, 0.05);
  resize: vertical;
  outline: none;
  transition: border-color var(--kda-transition);
  box-sizing: border-box;
}

.kda-mini-textarea:focus {
  border-color: var(--kda-accent);
}

.kda-mini-textarea::placeholder {
  color: #4b5563;
}

/* ─── ANALYZE / EXPORT BUTTONS ──────────────────────────────── */
.kda-btn-analyze {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 11px 20px;
  font-size: 0.9rem;
  font-weight: 700;
  border: none;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--kda-accent) 0%, #3b82f6 100%);
  color: #0f172a;
  cursor: pointer;
  transition: all var(--kda-transition);
  letter-spacing: 0.02em;
  box-shadow: 0 2px 12px rgba(0, 223, 216, 0.35);
}

.kda-btn-analyze:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(0, 223, 216, 0.5);
}

.kda-btn-analyze:active {
  transform: translateY(0);
}

.kda-btn-export {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  width: 100%;
  padding: 9px 16px;
  font-size: 0.82rem;
  font-weight: 600;
  border: 1.5px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background: transparent;
  color: #94a3b8;
  cursor: pointer;
  transition: all var(--kda-transition);
}

.kda-btn-export:hover {
  background: rgba(255, 255, 255, 0.07);
  color: #e2e8f0;
  border-color: rgba(255, 255, 255, 0.25);
}

/* ─── TEXT INPUT (target keywords field) ────────────────────── */
.kda-text-input {
  flex: 1;
  border: 1.5px solid var(--kda-border);
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 0.875rem;
  font-family: inherit;
  color: var(--kda-text);
  background: var(--kda-surface);
  outline: none;
  transition:
    border-color var(--kda-transition),
    box-shadow var(--kda-transition);
}

.kda-text-input:focus {
  border-color: var(--kda-accent2);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.kda-text-input::placeholder {
  color: #b0b7c3;
}

.kda-btn-primary {
  padding: 8px 14px;
  font-size: 0.85rem;
  font-weight: 600;
  border: none;
  border-radius: 8px;
  background: var(--kda-primary);
  color: var(--kda-accent);
  cursor: pointer;
  transition: all var(--kda-transition);
  white-space: nowrap;
}

.kda-btn-primary:hover {
  background: #2a2a42;
}

.kda-sm-btn {
  padding: 8px 14px;
}

/* ─── TARGET PANEL ──────────────────────────────────────────── */
.kda-target-panel {
  /* inherits .kda-panel */
}

.kda-target-input-row {
  display: flex;
  gap: 8px;
  padding: 12px 14px 8px;
}

.kda-target-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 0 14px 10px;
  min-height: 0;
}

.kda-target-tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  border-radius: 20px;
  padding: 3px 10px;
  font-size: 0.78rem;
  font-weight: 500;
  color: #1d4ed8;
}

.kda-tag-remove {
  background: none;
  border: none;
  cursor: pointer;
  color: #3b82f6;
  font-size: 1rem;
  line-height: 1;
  padding: 0;
  margin: 0;
  transition: color var(--kda-transition);
}

.kda-tag-remove:hover {
  color: var(--kda-danger);
}

.kda-target-results {
  border-top: 1px solid var(--kda-border);
}

.kda-target-results-inner {
  display: flex;
  flex-direction: column;
}

.kda-target-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 14px;
  border-bottom: 1px solid #f3f4f6;
  font-size: 0.85rem;
  flex-wrap: wrap;
}

.kda-target-row:last-child {
  border-bottom: none;
}

.kda-target-row--missing {
  opacity: 0.65;
}

.kda-target-kw {
  font-weight: 600;
  color: var(--kda-text);
  flex: 1;
  min-width: 80px;
  word-break: break-word;
}

.kda-target-count {
  font-weight: 700;
  color: var(--kda-accent2);
  font-size: 0.82rem;
}

.kda-target-density {
  color: var(--kda-muted);
  font-size: 0.82rem;
  min-width: 48px;
  text-align: right;
}

/* ─── SEO HEALTH BAR ────────────────────────────────────────── */
.kda-seo-bar {
  background: var(--kda-primary);
  border-radius: var(--kda-radius);
  padding: 14px 18px;
  margin-bottom: 16px;
  border: 1px solid #2d2d44;
  box-shadow: var(--kda-shadow);
  animation: kdaFadeIn 0.35s ease-out;
}

.kda-seo-bar-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 20px 32px;
  align-items: center;
}

.kda-seo-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.kda-seo-label {
  font-size: 0.72rem;
  color: #6b7280;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.kda-seo-value {
  font-size: 1rem;
  font-weight: 700;
  color: #e2e8f0;
}

.kda-seo-value small {
  font-size: 0.75rem;
  font-weight: 500;
  color: #94a3b8;
  margin-left: 4px;
}

.kda-seo-top {
  color: var(--kda-accent);
}
.kda-c-red {
  color: var(--kda-danger);
}
.kda-c-green {
  color: var(--kda-success);
}
.kda-c-gray {
  color: #6b7280;
}

/* ─── SEO BADGES ────────────────────────────────────────────── */
.kda-seo-badge {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 20px;
  white-space: nowrap;
  letter-spacing: 0.02em;
}

.kda-seo--over {
  background: rgba(239, 68, 68, 0.12);
  color: #ef4444;
  border: 1px solid rgba(239, 68, 68, 0.25);
}
.kda-seo--ideal {
  background: rgba(34, 196, 94, 0.12);
  color: #16a34a;
  border: 1px solid rgba(34, 196, 94, 0.25);
}
.kda-seo--low {
  background: rgba(249, 115, 22, 0.12);
  color: #ea6a0a;
  border: 1px solid rgba(249, 115, 22, 0.25);
}
.kda-seo--sparse {
  background: rgba(107, 114, 128, 0.1);
  color: #6b7280;
  border: 1px solid rgba(107, 114, 128, 0.2);
}

/* ─── TOP KEYWORDS VISUAL ───────────────────────────────────── */
.kda-top-kw-panel {
  margin-bottom: 16px;
}

.kda-top-kw-visual {
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.kda-vis-row {
  display: grid;
  grid-template-columns: 140px 1fr 90px;
  align-items: center;
  gap: 10px;
}

@media (max-width: 600px) {
  .kda-vis-row {
    grid-template-columns: 110px 1fr 80px;
    gap: 6px;
  }
}

.kda-vis-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--kda-text);
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.kda-vis-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
  display: inline-block;
}

.kda-vis-bar-wrap {
  background: #f3f4f6;
  border-radius: 4px;
  height: 28px;
  overflow: hidden;
  position: relative;
}

.kda-vis-bar {
  height: 100%;
  display: flex;
  align-items: center;
  padding-left: 8px;
  min-width: 32px;
  border-radius: 0 4px 4px 0;
  transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.kda-vis-count {
  font-size: 0.78rem;
  font-weight: 700;
  color: rgba(0, 0, 0, 0.55);
  white-space: nowrap;
}

.kda-vis-density {
  display: flex;
  justify-content: flex-end;
}

/* ─── TABS ──────────────────────────────────────────────────── */
.kda-tabs {
  display: flex;
  gap: 2px;
  background: #f3f4f6;
  border-radius: 8px;
  padding: 3px;
}

.kda-tab {
  padding: 5px 16px;
  font-size: 0.82rem;
  font-weight: 600;
  border: none;
  border-radius: 6px;
  background: transparent;
  color: var(--kda-muted);
  cursor: pointer;
  transition: all var(--kda-transition);
}

.kda-tab--active {
  background: var(--kda-surface);
  color: var(--kda-primary);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
}

.kda-tab:hover:not(.kda-tab--active) {
  color: var(--kda-text);
  background: rgba(0, 0, 0, 0.04);
}

/* ─── TABLE CONTROLS ────────────────────────────────────────── */
.kda-table-controls {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--kda-border);
  flex-wrap: wrap;
}

.kda-search-wrap {
  position: relative;
  flex: 1;
  min-width: 140px;
  max-width: 260px;
}

.kda-search-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--kda-muted);
  pointer-events: none;
}

.kda-table-search {
  width: 100%;
  border: 1.5px solid var(--kda-border);
  border-radius: 8px;
  padding: 7px 10px 7px 30px;
  font-size: 0.83rem;
  font-family: inherit;
  color: var(--kda-text);
  background: var(--kda-surface);
  outline: none;
  transition: border-color var(--kda-transition);
  box-sizing: border-box;
}

.kda-table-search:focus {
  border-color: var(--kda-accent2);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.kda-table-search::placeholder {
  color: #b0b7c3;
}

.kda-sort-controls {
  display: flex;
  align-items: center;
  gap: 5px;
  flex-wrap: wrap;
}

.kda-sort-btn {
  padding: 5px 12px;
  font-size: 0.78rem;
  font-weight: 600;
  border: 1.5px solid var(--kda-border);
  border-radius: 20px;
  background: transparent;
  color: var(--kda-muted);
  cursor: pointer;
  transition: all var(--kda-transition);
}

.kda-sort-btn:hover {
  border-color: #d1d5db;
  color: var(--kda-text);
  background: #f9fafb;
}

.kda-sort-btn--active {
  background: var(--kda-primary);
  color: var(--kda-accent);
  border-color: var(--kda-primary);
}

.kda-sort-btn--active:hover {
  background: #2a2a42;
  color: var(--kda-accent);
}

/* ─── TABLE ─────────────────────────────────────────────────── */
.kda-tab-content {
  /* show/hide via kda-hidden */
}

.kda-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.kda-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.kda-table thead tr {
  background: #f8fafc;
  border-bottom: 2px solid var(--kda-border);
}

.kda-table th {
  padding: 10px 14px;
  text-align: left;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--kda-muted);
  white-space: nowrap;
}

.kda-table th:first-child {
  width: 36px;
}

.kda-tr {
  border-bottom: 1px solid #f3f4f6;
  transition: background var(--kda-transition);
}

.kda-tr:hover {
  background: #f8fafc;
}

.kda-tr:last-child {
  border-bottom: none;
}

.kda-table td {
  padding: 9px 14px;
  vertical-align: middle;
}

.kda-td-rank {
  color: var(--kda-muted);
  font-size: 0.78rem;
  font-weight: 600;
  text-align: center;
  width: 36px;
}

.kda-td-kw {
  font-weight: 600;
}

.kda-kw-text {
  color: var(--kda-text);
}

.kda-td-count {
  font-weight: 700;
  color: var(--kda-accent2);
  text-align: right;
  white-space: nowrap;
}

.kda-td-density {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--kda-muted);
  text-align: right;
  white-space: nowrap;
}

.kda-td-bar {
  min-width: 100px;
  width: 180px;
}

@media (max-width: 640px) {
  .kda-td-bar {
    min-width: 70px;
    width: 100px;
  }
}

.kda-bar-track {
  height: 8px;
  background: #f1f5f9;
  border-radius: 8px;
  overflow: hidden;
}

.kda-bar-fill {
  height: 100%;
  border-radius: 8px;
  transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  min-width: 3px;
}

.kda-td-action {
  width: 36px;
  text-align: center;
}

.kda-copy-kw-btn {
  background: none;
  border: 1px solid var(--kda-border);
  border-radius: 6px;
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--kda-muted);
  transition: all var(--kda-transition);
  padding: 0;
}

.kda-copy-kw-btn:hover {
  color: var(--kda-accent2);
  border-color: var(--kda-accent2);
  background: rgba(59, 130, 246, 0.06);
}

/* ─── EMPTY STATE ───────────────────────────────────────────── */
.kda-empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 40px 20px;
  color: var(--kda-muted);
  font-size: 0.9rem;
}

/* ─── INIT STATE ────────────────────────────────────────────── */
.kda-init-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px 20px;
  gap: 12px;
  text-align: center;
}

.kda-init-icon {
  margin-bottom: 4px;
}

.kda-init-text {
  font-size: 1.05rem;
  color: var(--kda-muted);
  font-weight: 500;
}

.kda-init-sub {
  font-size: 0.85rem;
  color: #b0b7c3;
}

/* ─── TOAST ─────────────────────────────────────────────────── */
.kda-toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: var(--kda-primary);
  color: #e2e8f0;
  padding: 10px 22px;
  border-radius: 30px;
  font-size: 0.875rem;
  font-weight: 600;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.22);
  z-index: 9999;
  opacity: 0;
  transition:
    transform 0.28s cubic-bezier(0.4, 0, 0.2, 1),
    opacity 0.28s;
  pointer-events: none;
  white-space: nowrap;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.kda-toast--show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.kda-toast--error {
  background: #7f1d1d;
  color: #fca5a5;
  border-color: rgba(239, 68, 68, 0.3);
}

.kda-toast--info {
  background: #1e3a5f;
  color: #93c5fd;
  border-color: rgba(59, 130, 246, 0.3);
}

/* ─── UTILITY ───────────────────────────────────────────────── */
.kda-hidden {
  display: none !important;
}

/* ─── ANIMATIONS ────────────────────────────────────────────── */
@keyframes kdaFadeIn {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.kda-results > * {
  animation: kdaFadeIn 0.3s ease-out;
}

/* ─── SCROLLBARS ────────────────────────────────────────────── */
.kda-textarea::-webkit-scrollbar,
.kda-table-wrap::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
.kda-textarea::-webkit-scrollbar-track,
.kda-table-wrap::-webkit-scrollbar-track {
  background: #f1f5f9;
  border-radius: 4px;
}
.kda-textarea::-webkit-scrollbar-thumb,
.kda-table-wrap::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 4px;
}
.kda-textarea::-webkit-scrollbar-thumb:hover,
.kda-table-wrap::-webkit-scrollbar-thumb:hover {
  background: #94a3b8;
}

/* ─── RESPONSIVE ────────────────────────────────────────────── */
@media (max-width: 640px) {
  .kda-seo-bar-inner {
    gap: 14px 20px;
  }

  .kda-table th,
  .kda-table td {
    padding: 8px 10px;
  }

  .kda-panel-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .kda-tabs {
    align-self: stretch;
  }

  .kda-tab {
    flex: 1;
    text-align: center;
  }

  .kda-sort-controls {
    width: 100%;
  }

  .kda-sort-btn {
    flex: 1;
    text-align: center;
  }

  .kda-target-input-row {
    flex-direction: column;
  }

  .kda-vis-row {
    grid-template-columns: 90px 1fr 75px;
  }

  /* Hide bar column on very small screens */
  .kda-td-bar,
  .kda-table th:nth-child(5) {
    display: none;
  }
}

@media (max-width: 420px) {
  .kda-table th:nth-child(4),
  .kda-td-density {
    display: none;
  }
}