/* ═══════════════════════════════════════════════════════════════════
   keyword-tool.css  -  Keyword Density Checker  |  Scoped under #kdt-root
   Theme: Light / Blue accent - Premium SaaS
   All rules prefixed with #kdt-root for zero leakage to other tools.
═══════════════════════════════════════════════════════════════════ */

/* ── Google Font import ─────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

/* ── Design Tokens ─────────────────────────────────────────────── */
#kdt-root {
  --kdt-bg:            #f4f6fb;
  --kdt-surface:       #ffffff;
  --kdt-surface2:      #f0f4ff;
  --kdt-surface3:      #e8eeff;
  --kdt-border:        #e2e6f0;
  --kdt-border2:       #c8d0e8;
  --kdt-accent:        #2563eb;
  --kdt-accent-bright: #3b82f6;
  --kdt-accent-dim:    rgba(37,99,235,0.08);
  --kdt-accent-glow:   rgba(37,99,235,0.18);
  --kdt-accent-ring:   rgba(37,99,235,0.25);
  --kdt-ok:            #16a34a;
  --kdt-ok-dim:        rgba(22,163,74,0.10);
  --kdt-warn:          #d97706;
  --kdt-warn-dim:      rgba(217,119,6,0.10);
  --kdt-danger:        #dc2626;
  --kdt-danger-dim:    rgba(220,38,38,0.10);
  --kdt-gold:          #f59e0b;
  --kdt-gold-dim:      rgba(245,158,11,0.12);
  --kdt-text:          #0f172a;
  --kdt-text2:         #334155;
  --kdt-text3:         #64748b;
  --kdt-muted:         #94a3b8;
  --kdt-sans:          'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --kdt-mono:          'JetBrains Mono', ui-monospace, monospace;
  --kdt-radius:        14px;
  --kdt-radius-sm:     9px;
  --kdt-radius-xs:     5px;
  --kdt-shadow-sm:     0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --kdt-shadow:        0 4px 16px rgba(0,0,0,.07), 0 1px 4px rgba(0,0,0,.04);
  --kdt-shadow-lg:     0 12px 40px rgba(0,0,0,.09), 0 2px 8px rgba(0,0,0,.04);
  --kdt-ease:          cubic-bezier(.25,.46,.45,.94);
  --kdt-t:             160ms;

  font-family: var(--kdt-sans);
  color: var(--kdt-text);
  background: var(--kdt-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 16px 120px;
  box-sizing: border-box;
}

#kdt-root *, #kdt-root *::before, #kdt-root *::after {
  box-sizing: border-box;
}
#kdt-root button  { cursor: pointer; font-family: var(--kdt-sans); }
#kdt-root textarea, #kdt-root input, #kdt-root select {
  font-family: var(--kdt-sans);
}

/* ════════════════════ HERO ════════════════════════════════════ */
#kdt-root .kdt-hero {
  text-align: center;
  padding: 52px 20px 40px;
}

#kdt-root .kdt-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 16px;
  border-radius: 99px;
  background: var(--kdt-accent-dim);
  border: 1px solid var(--kdt-accent-ring);
  color: var(--kdt-accent);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  margin-bottom: 22px;
}

#kdt-root .kdt-hero-badge svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

#kdt-root .kdt-hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  line-height: 1.1;
  color: var(--kdt-text);
  letter-spacing: -.025em;
  margin: 0 0 16px;
}

#kdt-root .kdt-hero h1 span {
  background: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

#kdt-root .kdt-hero p {
  font-size: 1.0625rem;
  color: var(--kdt-text3);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ════════════════════ CARD ════════════════════════════════════ */
#kdt-root .kdt-card {
  background: var(--kdt-surface);
  border: 1px solid var(--kdt-border);
  border-radius: var(--kdt-radius);
  padding: 20px;
  box-shadow: var(--kdt-shadow);
  margin-bottom: 20px;
}

#kdt-root .kdt-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  flex-wrap: wrap;
  gap: 10px;
}

#kdt-root .kdt-card-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
  color: var(--kdt-text);
  letter-spacing: -.01em;
}

#kdt-root .kdt-card-title svg {
  width: 16px;
  height: 16px;
  color: var(--kdt-accent);
  flex-shrink: 0;
}

#kdt-root .kdt-card-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

/* ════════════════════ TEXTAREA ════════════════════════════════ */
#kdt-root .kdt-textarea {
  width: 100%;
  min-height: 220px;
  padding: 14px 16px;
  border: 1.5px solid var(--kdt-border);
  border-radius: var(--kdt-radius-sm);
  background: #fafbff;
  color: var(--kdt-text);
  font-size: 14.5px;
  line-height: 1.7;
  resize: vertical;
  outline: none;
  transition: border-color var(--kdt-t) var(--kdt-ease),
              box-shadow var(--kdt-t) var(--kdt-ease);
}

#kdt-root .kdt-textarea:focus {
  border-color: var(--kdt-accent);
  box-shadow: 0 0 0 3px var(--kdt-accent-glow);
  background: #ffffff;
}

#kdt-root .kdt-textarea::placeholder {
  color: var(--kdt-muted);
}

/* ── Char counter under textarea ─────────────────────────────── */
#kdt-root .kdt-char-count {
  font-size: 12px;
  color: var(--kdt-muted);
  text-align: right;
  margin-top: 6px;
}

/* ════════════════════ STATS PANEL ═════════════════════════════ */
#kdt-root .kdt-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-bottom: 20px;
}

#kdt-root .kdt-stat-card {
  background: var(--kdt-surface);
  border: 1px solid var(--kdt-border);
  border-radius: var(--kdt-radius);
  padding: 18px 20px;
  box-shadow: var(--kdt-shadow-sm);
  text-align: center;
  transition: box-shadow var(--kdt-t) var(--kdt-ease),
              border-color var(--kdt-t) var(--kdt-ease),
              transform var(--kdt-t) var(--kdt-ease);
}

#kdt-root .kdt-stat-card:hover {
  box-shadow: var(--kdt-shadow);
  border-color: var(--kdt-border2);
  transform: translateY(-1px);
}

#kdt-root .kdt-stat-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 10px;
}

#kdt-root .kdt-stat-icon svg {
  width: 18px;
  height: 18px;
}

#kdt-root .kdt-stat-icon.blue  { background: var(--kdt-accent-dim);  color: var(--kdt-accent); }
#kdt-root .kdt-stat-icon.green { background: var(--kdt-ok-dim);      color: var(--kdt-ok); }
#kdt-root .kdt-stat-icon.amber { background: var(--kdt-warn-dim);    color: var(--kdt-warn); }

#kdt-root .kdt-stat-value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--kdt-text);
  line-height: 1;
  letter-spacing: -.03em;
  margin-bottom: 4px;
  transition: color var(--kdt-t);
}

#kdt-root .kdt-stat-label {
  font-size: 12px;
  color: var(--kdt-text3);
  font-weight: 600;
  letter-spacing: .03em;
  text-transform: uppercase;
}

/* ════════════════════ BUTTONS ═════════════════════════════════ */
#kdt-root .kdt-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 9px 18px;
  border-radius: var(--kdt-radius-sm);
  font-size: 13.5px;
  font-weight: 600;
  border: 1.5px solid transparent;
  transition: background var(--kdt-t) var(--kdt-ease),
              color var(--kdt-t) var(--kdt-ease),
              border-color var(--kdt-t) var(--kdt-ease),
              box-shadow var(--kdt-t) var(--kdt-ease),
              transform 80ms;
  white-space: nowrap;
  text-decoration: none;
}

#kdt-root .kdt-btn svg {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
}

#kdt-root .kdt-btn:active { transform: translateY(1px); }

/* Primary */
#kdt-root .kdt-btn-primary {
  background: var(--kdt-accent);
  color: #fff;
  border-color: var(--kdt-accent);
}
#kdt-root .kdt-btn-primary:hover {
  background: #1d4ed8;
  border-color: #1d4ed8;
  box-shadow: 0 4px 14px rgba(37,99,235,.28);
}

/* Outline */
#kdt-root .kdt-btn-outline {
  background: transparent;
  color: var(--kdt-text2);
  border-color: var(--kdt-border);
}
#kdt-root .kdt-btn-outline:hover {
  background: var(--kdt-surface2);
  border-color: var(--kdt-border2);
  color: var(--kdt-text);
}

/* Ghost / danger */
#kdt-root .kdt-btn-ghost {
  background: transparent;
  color: var(--kdt-text3);
  border-color: transparent;
}
#kdt-root .kdt-btn-ghost:hover {
  background: var(--kdt-danger-dim);
  color: var(--kdt-danger);
}

/* Success */
#kdt-root .kdt-btn-success {
  background: var(--kdt-ok);
  color: #fff;
  border-color: var(--kdt-ok);
}
#kdt-root .kdt-btn-success:hover {
  background: #15803d;
  box-shadow: 0 4px 14px rgba(22,163,74,.28);
}

/* Large CTA */
#kdt-root .kdt-btn-lg {
  padding: 13px 28px;
  font-size: 15px;
  border-radius: var(--kdt-radius-sm);
}

/* Small */
#kdt-root .kdt-btn-sm {
  padding: 6px 12px;
  font-size: 12.5px;
}

/* ════════════════════ ACTION ROW ══════════════════════════════ */
#kdt-root .kdt-action-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 16px;
}

#kdt-root .kdt-action-row .kdt-btn {
  flex: 1 1 auto;
}

/* ════════════════════ OPTIONS ROW ═════════════════════════════ */
#kdt-root .kdt-options-row {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 12px 16px;
  background: var(--kdt-surface2);
  border: 1px solid var(--kdt-border);
  border-radius: var(--kdt-radius-sm);
  flex-wrap: wrap;
  margin-bottom: 20px;
}

#kdt-root .kdt-toggle-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--kdt-text2);
  cursor: pointer;
  user-select: none;
}

#kdt-root .kdt-toggle-label input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--kdt-accent);
  cursor: pointer;
}

/* ════════════════════ FILTER ROW ══════════════════════════════ */
#kdt-root .kdt-filter-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

#kdt-root .kdt-search-wrap {
  flex: 1 1 220px;
  position: relative;
}

#kdt-root .kdt-search-wrap svg {
  position: absolute;
  left: 11px;
  top: 50%;
  transform: translateY(-50%);
  width: 15px;
  height: 15px;
  color: var(--kdt-muted);
  pointer-events: none;
}

#kdt-root .kdt-search-input {
  width: 100%;
  padding: 9px 14px 9px 34px;
  border: 1.5px solid var(--kdt-border);
  border-radius: var(--kdt-radius-sm);
  background: var(--kdt-surface);
  color: var(--kdt-text);
  font-size: 13.5px;
  outline: none;
  transition: border-color var(--kdt-t), box-shadow var(--kdt-t);
}

#kdt-root .kdt-search-input:focus {
  border-color: var(--kdt-accent);
  box-shadow: 0 0 0 3px var(--kdt-accent-glow);
}

#kdt-root .kdt-filter-select {
  padding: 9px 14px;
  border: 1.5px solid var(--kdt-border);
  border-radius: var(--kdt-radius-sm);
  background: var(--kdt-surface);
  color: var(--kdt-text2);
  font-size: 13px;
  font-weight: 600;
  outline: none;
  cursor: pointer;
  transition: border-color var(--kdt-t);
}

#kdt-root .kdt-filter-select:focus {
  border-color: var(--kdt-accent);
}

/* ════════════════════ RESULT TABLE ════════════════════════════ */
#kdt-root .kdt-table-wrap {
  overflow-x: auto;
  border-radius: var(--kdt-radius-sm);
  border: 1px solid var(--kdt-border);
}

#kdt-root .kdt-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
  min-width: 420px;
}

#kdt-root .kdt-table thead tr {
  background: var(--kdt-surface2);
}

#kdt-root .kdt-table th {
  padding: 11px 16px;
  text-align: left;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--kdt-text3);
  border-bottom: 1.5px solid var(--kdt-border);
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
  transition: color var(--kdt-t);
}

#kdt-root .kdt-table th:hover {
  color: var(--kdt-accent);
}

#kdt-root .kdt-table th .kdt-sort-icon {
  display: inline-block;
  margin-left: 4px;
  opacity: .5;
  font-size: 10px;
  vertical-align: middle;
}

#kdt-root .kdt-table th.sorted { color: var(--kdt-accent); }
#kdt-root .kdt-table th.sorted .kdt-sort-icon { opacity: 1; }

#kdt-root .kdt-table tbody tr {
  border-bottom: 1px solid var(--kdt-border);
  transition: background var(--kdt-t);
}

#kdt-root .kdt-table tbody tr:last-child { border-bottom: none; }

#kdt-root .kdt-table tbody tr:hover {
  background: var(--kdt-surface2);
}

/* Rank highlight classes */
#kdt-root .kdt-table tbody tr.rank-1 { background: #fffbeb; }
#kdt-root .kdt-table tbody tr.rank-2 { background: #f0fdf4; }
#kdt-root .kdt-table tbody tr.rank-3 { background: #eff6ff; }
#kdt-root .kdt-table tbody tr.rank-1:hover { background: #fef3c7; }
#kdt-root .kdt-table tbody tr.rank-2:hover { background: #dcfce7; }
#kdt-root .kdt-table tbody tr.rank-3:hover { background: #dbeafe; }

#kdt-root .kdt-table td {
  padding: 11px 16px;
  color: var(--kdt-text2);
  vertical-align: middle;
}

/* Rank badge */
#kdt-root .kdt-rank-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 800;
  margin-right: 6px;
  flex-shrink: 0;
}

#kdt-root .kdt-rank-badge.r1 { background: var(--kdt-gold-dim);   color: #b45309; }
#kdt-root .kdt-rank-badge.r2 { background: var(--kdt-ok-dim);     color: var(--kdt-ok); }
#kdt-root .kdt-rank-badge.r3 { background: var(--kdt-accent-dim); color: var(--kdt-accent); }

/* Keyword cell */
#kdt-root .kdt-kw-cell {
  display: flex;
  align-items: center;
  font-weight: 600;
  color: var(--kdt-text);
  font-family: var(--kdt-mono);
  font-size: 13px;
}

/* Count pill */
#kdt-root .kdt-count-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  padding: 2px 9px;
  border-radius: 99px;
  background: var(--kdt-accent-dim);
  color: var(--kdt-accent);
  font-weight: 700;
  font-size: 12.5px;
}

/* Density bar */
#kdt-root .kdt-density-cell {
  display: flex;
  align-items: center;
  gap: 10px;
}

#kdt-root .kdt-density-bar-bg {
  flex: 1;
  height: 6px;
  background: var(--kdt-border);
  border-radius: 99px;
  overflow: hidden;
  min-width: 60px;
  max-width: 120px;
}

#kdt-root .kdt-density-bar-fill {
  height: 100%;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--kdt-accent-bright), var(--kdt-accent));
  transition: width 0.5s var(--kdt-ease);
}

#kdt-root .kdt-density-val {
  font-weight: 700;
  font-size: 13px;
  color: var(--kdt-text);
  white-space: nowrap;
  min-width: 44px;
  text-align: right;
}

/* Table empty / placeholder */
#kdt-root .kdt-table-empty {
  text-align: center;
  padding: 48px 20px;
  color: var(--kdt-muted);
}

#kdt-root .kdt-table-empty svg {
  width: 44px;
  height: 44px;
  margin: 0 auto 14px;
  display: block;
  opacity: .4;
}

#kdt-root .kdt-table-empty p {
  font-size: 14px;
  font-weight: 600;
  margin: 0;
}

/* ════════════════════ TOAST ════════════════════════════════════ */
#kdt-toast {
  position: fixed;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: #1e293b;
  color: #fff;
  padding: 10px 22px;
  border-radius: 99px;
  font-size: 13.5px;
  font-weight: 600;
  font-family: var(--kdt-sans);
  box-shadow: 0 8px 32px rgba(0,0,0,.22);
  opacity: 0;
  pointer-events: none;
  z-index: 9999;
  transition: opacity .22s, transform .22s;
  white-space: nowrap;
}

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

/* ════════════════════ STICKY MOBILE CTA ══════════════════════ */
#kdt-root .kdt-sticky-cta {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--kdt-border);
  padding: 12px 16px;
  z-index: 100;
  gap: 10px;
}

/* ════════════════════ SEO CONTENT ═════════════════════════════ */
#kdt-root .kdt-seo {
  margin-top: 48px;
  border-top: 1.5px solid var(--kdt-border);
  padding-top: 40px;
}

#kdt-root .kdt-seo-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 36px;
}

#kdt-root .kdt-seo-block h2 {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--kdt-text);
  letter-spacing: -.02em;
  margin: 0 0 12px;
}

#kdt-root .kdt-seo-block h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--kdt-text);
  margin: 18px 0 8px;
}

#kdt-root .kdt-seo-block p {
  font-size: 14px;
  color: var(--kdt-text3);
  line-height: 1.75;
  margin: 0 0 12px;
}

#kdt-root .kdt-seo-block ul {
  margin: 0 0 12px;
  padding-left: 20px;
  font-size: 14px;
  color: var(--kdt-text3);
  line-height: 1.8;
}

#kdt-root .kdt-seo-block ul li { margin-bottom: 4px; }

/* Tips grid */
#kdt-root .kdt-tips-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 36px;
}

#kdt-root .kdt-tip-card {
  background: var(--kdt-surface);
  border: 1px solid var(--kdt-border);
  border-radius: var(--kdt-radius);
  padding: 18px;
  box-shadow: var(--kdt-shadow-sm);
}

#kdt-root .kdt-tip-icon {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  background: var(--kdt-accent-dim);
  color: var(--kdt-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
}

#kdt-root .kdt-tip-icon svg { width: 18px; height: 18px; }

#kdt-root .kdt-tip-card h4 {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--kdt-text);
  margin: 0 0 6px;
}

#kdt-root .kdt-tip-card p {
  font-size: 13px;
  color: var(--kdt-text3);
  line-height: 1.65;
  margin: 0;
}

/* FAQ */
#kdt-root .kdt-faq-title {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--kdt-text);
  letter-spacing: -.02em;
  margin: 0 0 20px;
}

#kdt-root .kdt-faq-list { display: flex; flex-direction: column; gap: 10px; }

#kdt-root .kdt-faq-item {
  background: var(--kdt-surface);
  border: 1px solid var(--kdt-border);
  border-radius: var(--kdt-radius-sm);
  overflow: hidden;
}

#kdt-root .kdt-faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 15px 18px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 700;
  color: var(--kdt-text);
  user-select: none;
  gap: 12px;
}

#kdt-root .kdt-faq-q svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  color: var(--kdt-muted);
  transition: transform var(--kdt-t) var(--kdt-ease);
}

#kdt-root .kdt-faq-item.open .kdt-faq-q svg { transform: rotate(180deg); }

#kdt-root .kdt-faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s var(--kdt-ease);
}

#kdt-root .kdt-faq-item.open .kdt-faq-a { max-height: 300px; }

#kdt-root .kdt-faq-a p {
  padding: 0 18px 16px;
  font-size: 13.5px;
  color: var(--kdt-text3);
  line-height: 1.72;
  margin: 0;
}

/* ════════════════════ RESULT ACTIONS ══════════════════════════ */
#kdt-root .kdt-result-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

/* ════════════════════ DENSITY LEGEND ══════════════════════════ */
#kdt-root .kdt-density-legend {
  display: flex;
  gap: 16px;
  align-items: center;
  font-size: 12px;
  color: var(--kdt-text3);
  flex-wrap: wrap;
  padding: 10px 0;
}

#kdt-root .kdt-legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

#kdt-root .kdt-legend-item {
  display: flex;
  align-items: center;
  gap: 5px;
  font-weight: 600;
}

/* ════════════════════ RESPONSIVE ══════════════════════════════ */
@media (max-width: 900px) {
  #kdt-root .kdt-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
  }

  #kdt-root .kdt-seo-grid { grid-template-columns: 1fr; }
  #kdt-root .kdt-tips-grid { grid-template-columns: 1fr 1fr; }

  #kdt-root .kdt-stat-value { font-size: 1.6rem; }
}

@media (max-width: 600px) {
  #kdt-root {
    padding: 0 12px 130px;
  }

  #kdt-root .kdt-hero { padding: 32px 12px 28px; }
  #kdt-root .kdt-hero h1 { font-size: 1.8rem; }
  #kdt-root .kdt-hero p { font-size: .9375rem; }

  #kdt-root .kdt-stats {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  #kdt-root .kdt-stat-card {
    display: flex;
    align-items: center;
    gap: 14px;
    text-align: left;
    padding: 14px 16px;
  }

  #kdt-root .kdt-stat-icon { margin: 0; flex-shrink: 0; }

  #kdt-root .kdt-stat-value { font-size: 1.5rem; margin-bottom: 0; }

  #kdt-root .kdt-card { padding: 14px; }

  #kdt-root .kdt-action-row { flex-direction: column; }
  #kdt-root .kdt-action-row .kdt-btn { width: 100%; }

  #kdt-root .kdt-tips-grid { grid-template-columns: 1fr; }

  #kdt-root .kdt-result-actions { flex-direction: column; }
  #kdt-root .kdt-result-actions .kdt-btn { width: 100%; }

  #kdt-root .kdt-sticky-cta { display: flex; }

  #kdt-root .kdt-filter-row { flex-direction: column; align-items: stretch; }
  #kdt-root .kdt-search-wrap { flex: 1 1 auto; }
}

@media (max-width: 420px) {
  #kdt-root .kdt-options-row { flex-direction: column; align-items: flex-start; gap: 10px; }
}

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

#kdt-root .kdt-card { animation: kdt-fadeIn .3s var(--kdt-ease) both; }
#kdt-root .kdt-stats { animation: kdt-fadeIn .3s .05s var(--kdt-ease) both; }

#kdt-root .kdt-table tbody tr {
  animation: kdt-fadeIn .2s var(--kdt-ease) both;
}

/* Pulse on stat update */
@keyframes kdt-statPulse {
  0%   { transform: scale(1); }
  50%  { transform: scale(1.06); color: var(--kdt-accent); }
  100% { transform: scale(1); }
}
#kdt-root .kdt-stat-value.pulse {
  animation: kdt-statPulse .4s var(--kdt-ease);
}