/* ═══════════════════════════════════════════════════════════════
   Equalza — Keyword Density Checker  v3.0
   Professional UI/UX button & interaction design
   ═══════════════════════════════════════════════════════════════ */

/* ── Variables ──────────────────────────────────────────────── */
:root {
  --kd-bg: #f8f9fb;
  --kd-surface: #fff;
  --kd-border: #e4e7ec;
  --kd-border-hover: #c5cad3;
  --kd-accent: #2563eb;
  --kd-accent-hover: #1d4ed8;
  --kd-accent-active: #1e40af;
  --kd-accent-light: #eff6ff;
  --kd-accent-mid: #bfdbfe;
  --kd-accent-glow: rgba(37, 99, 235, .18);
  --kd-text: #111827;
  --kd-text2: #4b5563;
  --kd-text3: #9ca3af;
  --kd-green: #10b981;
  --kd-green-light: #ecfdf5;
  --kd-yellow: #f59e0b;
  --kd-yellow-light: #fffbeb;
  --kd-red: #ef4444;
  --kd-red-light: #fef2f2;
  --kd-r: 10px;
  --kd-rl: 14px;
  --kd-shadow-sm: 0 1px 2px rgba(0,0,0,.05);
  --kd-shadow-md: 0 4px 12px rgba(0,0,0,.08);
  --kd-shadow-btn: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --kd-transition: .2s cubic-bezier(.4,0,.2,1);
}

/* ── Tool Card ─────────────────────────────────────────────── */
.tool-card.kd {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, sans-serif;
  color: var(--kd-text);
  line-height: 1.5;
}

/* ═══════════════════════════════════════════════════════════════
   BUTTONS — Core Design System
   ═══════════════════════════════════════════════════════════════ */

/* ── Base Button ──────────────────────────────────────────── */
.tool-card.kd .kd-btn {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 7px !important;
  border: none !important;
  border-radius: var(--kd-r) !important;
  font-family: inherit !important;
  font-size: 13.5px !important;
  font-weight: 550 !important;
  line-height: 1 !important;
  cursor: pointer !important;
  white-space: nowrap !important;
  user-select: none;
  -webkit-user-select: none;
  text-decoration: none !important;
  text-transform: none !important;
  letter-spacing: normal !important;
  transition:
    background .2s cubic-bezier(.4,0,.2,1),
    color .2s cubic-bezier(.4,0,.2,1),
    border-color .2s cubic-bezier(.4,0,.2,1),
    box-shadow .2s cubic-bezier(.4,0,.2,1),
    transform .15s cubic-bezier(.4,0,.2,1);
  position: relative;
  overflow: hidden;
}
.tool-card.kd .kd-btn svg {
  flex-shrink: 0;
  transition: transform var(--kd-transition);
}
.tool-card.kd .kd-btn:focus-visible {
  outline: 2px solid var(--kd-accent);
  outline-offset: 2px;
}
.tool-card.kd .kd-btn:active {
  transform: scale(.97);
}

/* Ripple effect */
.kd-btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at var(--ripple-x, 50%) var(--ripple-y, 50%),
    rgba(255,255,255,.35) 0%, transparent 60%);
  opacity: 0;
  transition: opacity .4s;
  pointer-events: none;
}
.kd-btn:active::after {
  opacity: 1;
  transition: opacity 0s;
}

/* ── Ghost Button ─────────────────────────────────────────── */
.tool-card.kd .kd-btn.kd-btn-ghost {
  background: var(--kd-surface) !important;
  border: 1px solid var(--kd-border) !important;
  padding: 8px 16px !important;
  color: var(--kd-text2) !important;
  box-shadow: var(--kd-shadow-sm) !important;
}
.tool-card.kd .kd-btn-ghost svg {
  opacity: .6;
}
.tool-card.kd .kd-btn.kd-btn-ghost:hover {
  background: var(--kd-accent-light) !important;
  color: var(--kd-accent) !important;
  border-color: var(--kd-accent-mid) !important;
  box-shadow: var(--kd-shadow-btn) !important;
}
.tool-card.kd .kd-btn-ghost:hover svg {
  opacity: 1;
  stroke: var(--kd-accent);
}
.tool-card.kd .kd-btn.kd-btn-ghost:active {
  background: #dbeafe !important;
  border-color: var(--kd-accent) !important;
}

.tool-card.kd .kd-btn.kd-btn-sm {
  padding: 6px 12px !important;
  font-size: 12.5px !important;
  border-radius: 8px !important;
}

/* ── Primary Button (Analyze) ─────────────────────────────── */
.tool-card.kd .kd-btn.kd-btn-primary {
  background: linear-gradient(180deg, #3b82f6 0%, #2563eb 100%) !important;
  color: #fff !important;
  padding: 10px 24px !important;
  font-size: 14.5px !important;
  font-weight: 650 !important;
  letter-spacing: .01em !important;
  border: none !important;
  box-shadow:
    0 1px 3px rgba(37, 99, 235, .35),
    0 4px 12px rgba(37, 99, 235, .2),
    inset 0 1px 0 rgba(255,255,255,.15) !important;
  flex-shrink: 0;
}
.tool-card.kd .kd-btn.kd-btn-primary:hover {
  background: linear-gradient(180deg, #60a5fa 0%, #1d4ed8 100%) !important;
  color: #fff !important;
  box-shadow:
    0 2px 6px rgba(37, 99, 235, .4),
    0 8px 20px rgba(37, 99, 235, .25),
    inset 0 1px 0 rgba(255,255,255,.2) !important;
  transform: translateY(-1px);
}
.tool-card.kd .kd-btn.kd-btn-primary:active {
  background: linear-gradient(180deg, #2563eb 0%, #1e40af 100%) !important;
  color: #fff !important;
  box-shadow:
    0 1px 2px rgba(37, 99, 235, .3),
    inset 0 2px 4px rgba(0,0,0,.1) !important;
  transform: translateY(0) scale(.98);
}
.tool-card.kd .kd-btn-primary svg {
  filter: drop-shadow(0 1px 1px rgba(0,0,0,.15));
}

/* ═══════════════════════════════════════════════════════════════
   TABS — Segmented Control Style
   ═══════════════════════════════════════════════════════════════ */
.tool-card.kd .kd-tabs-bar {
  margin-bottom: 14px;
}
.tool-card.kd .kd-tabs {
  display: inline-flex !important;
  gap: 0 !important;
  padding: 4px !important;
  background: #eef1f6 !important;
  border: 1px solid var(--kd-border) !important;
  border-radius: var(--kd-r) !important;
}
.tool-card.kd .kd-tab {
  padding: 9px 20px !important;
  border: none !important;
  border-radius: 7px !important;
  background: transparent !important;
  font-family: inherit !important;
  font-size: 13px !important;
  font-weight: 550 !important;
  color: #8892a4 !important;
  cursor: pointer !important;
  transition:
    background .2s cubic-bezier(.4,0,.2,1),
    color .2s cubic-bezier(.4,0,.2,1),
    box-shadow .2s cubic-bezier(.4,0,.2,1);
  position: relative;
  user-select: none;
  -webkit-user-select: none;
  margin: 0 !important;
  line-height: 1.2 !important;
  text-transform: none !important;
}
.tool-card.kd .kd-tab:hover {
  color: var(--kd-text2) !important;
  background: rgba(255,255,255,.5) !important;
}
.tool-card.kd .kd-tab.kd-tab-active {
  background: #fff !important;
  color: var(--kd-accent) !important;
  box-shadow: 0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06) !important;
}
.tool-card.kd .kd-tab.kd-tab-active:hover {
  background: #fff !important;
  color: var(--kd-accent) !important;
}
.tool-card.kd .kd-tab:focus-visible {
  outline: 2px solid var(--kd-accent);
  outline-offset: -1px;
}

/* ═══════════════════════════════════════════════════════════════
   TOGGLE SWITCH — Custom Checkbox
   ═══════════════════════════════════════════════════════════════ */
.tool-card.kd .kd-toggle {
  display: inline-flex !important;
  align-items: center !important;
  gap: 8px !important;
  font-size: 13px !important;
  color: var(--kd-text2) !important;
  cursor: pointer !important;
  user-select: none;
  -webkit-user-select: none;
}
.kd-toggle input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}
.kd-toggle-track {
  position: relative;
  width: 36px;
  height: 20px;
  background: var(--kd-border);
  border-radius: 999px;
  transition: background var(--kd-transition);
  flex-shrink: 0;
}
.kd-toggle-thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 16px;
  height: 16px;
  background: var(--kd-surface);
  border-radius: 999px;
  box-shadow: 0 1px 3px rgba(0,0,0,.15);
  transition: transform var(--kd-transition), background var(--kd-transition);
}
.kd-toggle input:checked + .kd-toggle-track {
  background: var(--kd-accent);
}
.kd-toggle input:checked + .kd-toggle-track .kd-toggle-thumb {
  transform: translateX(16px);
}
.kd-toggle input:focus-visible + .kd-toggle-track {
  outline: 2px solid var(--kd-accent);
  outline-offset: 2px;
}

/* ═══════════════════════════════════════════════════════════════
   SELECT — Custom Styled Dropdown
   ═══════════════════════════════════════════════════════════════ */
.tool-card.kd .kd-select {
  appearance: none !important;
  -webkit-appearance: none !important;
  border: 1px solid var(--kd-border) !important;
  border-radius: 8px !important;
  padding: 7px 32px 7px 10px !important;
  font-family: inherit !important;
  font-size: 13px !important;
  font-weight: 500 !important;
  color: var(--kd-text) !important;
  background-color: var(--kd-surface) !important;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='12' viewBox='0 0 24 24' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M6 9l6 6 6-6' stroke='%239ca3af' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") !important;
  background-repeat: no-repeat !important;
  background-position: right 10px center !important;
  box-shadow: var(--kd-shadow-sm) !important;
  cursor: pointer !important;
  transition:
    border-color .2s cubic-bezier(.4,0,.2,1),
    box-shadow .2s cubic-bezier(.4,0,.2,1);
  min-height: auto !important;
  height: auto !important;
}
[dir="rtl"] .tool-card.kd .kd-select {
  padding: 7px 10px 7px 32px !important;
  background-position: left 10px center !important;
}
.tool-card.kd .kd-select:hover {
  border-color: var(--kd-border-hover) !important;
  box-shadow: var(--kd-shadow-btn) !important;
}
.tool-card.kd .kd-select:focus {
  outline: none !important;
  border-color: var(--kd-accent) !important;
  box-shadow: 0 0 0 3px var(--kd-accent-glow) !important;
}

/* ═══════════════════════════════════════════════════════════════
   INPUT SECTION
   ═══════════════════════════════════════════════════════════════ */
.kd-input-section {
  padding: 24px 24px 12px;
}
.kd-input-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}
.kd-section-label {
  font-weight: 600;
  font-size: 14px;
  color: var(--kd-text2);
  text-transform: uppercase;
  letter-spacing: .04em;
}
.kd-input-actions {
  display: flex;
  gap: 6px;
}

/* ── Input Mode Tabs ──────────────────────────────────────── */
.kd-input-mode-bar {
  display: inline-flex;
  gap: 0;
  padding: 3px;
  background: #eef1f6;
  border: 1px solid var(--kd-border);
  border-radius: 8px;
  margin-bottom: 12px;
}
.kd-mode-tab {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 18px;
  border: none;
  border-radius: 6px;
  background: transparent;
  font-family: inherit;
  font-size: 13px;
  font-weight: 550;
  color: #8892a4;
  cursor: pointer;
  transition: background .2s, color .2s, box-shadow .2s;
}
.kd-mode-tab:hover { color: var(--kd-text2); background: rgba(255,255,255,.5); }
.kd-mode-tab.kd-mode-active {
  background: #fff;
  color: var(--kd-accent);
  box-shadow: 0 1px 3px rgba(0,0,0,.1);
}
.kd-mode-tab svg { opacity: .6; }
.kd-mode-tab.kd-mode-active svg { opacity: 1; stroke: var(--kd-accent); }

.hidden { display: none !important; }

/* ── URL Input ───────────────────────────────────────────── */
.kd-url-row {
  display: flex;
  gap: 10px;
  align-items: stretch;
}
.kd-url-input-wrap {
  flex: 1;
  position: relative;
}
.kd-url-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--kd-accent);
  opacity: .5;
  pointer-events: none;
}
[dir="rtl"] .kd-url-icon { left: auto; right: 14px; }
.kd-url-field {
  width: 100%;
  border: 1.5px solid var(--kd-accent-mid);
  border-radius: var(--kd-r);
  padding: 10px 16px 10px 40px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  color: var(--kd-text);
  background: var(--kd-accent-light);
  box-sizing: border-box;
  box-shadow: var(--kd-shadow-sm);
  transition: border-color var(--kd-transition), box-shadow var(--kd-transition);
}
[dir="rtl"] .kd-url-field { padding: 10px 40px 10px 16px; }
.kd-url-field:focus {
  outline: none;
  border-color: var(--kd-accent);
  box-shadow: 0 0 0 4px var(--kd-accent-glow);
  background: var(--kd-surface);
}
.kd-url-status {
  margin-top: 8px;
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
}
.kd-url-loading { background: var(--kd-accent-light); color: var(--kd-accent); }
.kd-url-success { background: var(--kd-green-light); color: #047857; }
.kd-url-error { background: var(--kd-red-light); color: #b91c1c; }

/* ── Keyword Exclusion ───────────────────────────────────── */
.kd-exclude-row {
  margin-top: 10px;
}
.kd-exclude-input-wrap {
  display: flex;
  gap: 6px;
  align-items: center;
}
.kd-exclude-field {
  flex: 1;
  border: 1px solid var(--kd-border);
  border-radius: 8px;
  padding: 6px 12px;
  font-family: inherit;
  font-size: 13px;
  color: var(--kd-text);
  background: var(--kd-surface);
  box-sizing: border-box;
}
.kd-exclude-field:focus {
  outline: none;
  border-color: var(--kd-accent);
  box-shadow: 0 0 0 3px var(--kd-accent-glow);
}
.kd-exclude-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}
.kd-exclude-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--kd-red-light);
  border: 1px solid #fecaca;
  color: #991b1b;
  font-size: 12px;
  font-weight: 500;
}
.kd-exclude-remove {
  background: none;
  border: none;
  color: #991b1b;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  padding: 0 2px;
  line-height: 1;
}
.kd-exclude-remove:hover { color: #7f1d1d; }

.kd-textarea {
  width: 100%;
  min-height: 180px;
  border: 1.5px solid var(--kd-border);
  border-radius: var(--kd-rl);
  padding: 16px;
  font-family: inherit;
  font-size: 15px;
  line-height: 1.7;
  resize: vertical;
  color: var(--kd-text);
  background: var(--kd-surface);
  box-shadow: var(--kd-shadow-sm);
  transition: border-color var(--kd-transition), box-shadow var(--kd-transition);
  box-sizing: border-box;
}
.kd-textarea:hover {
  border-color: var(--kd-border-hover);
}
.kd-textarea:focus {
  outline: none;
  border-color: var(--kd-accent);
  box-shadow: 0 0 0 4px var(--kd-accent-glow);
}

/* ── Focus Keyword Row ────────────────────────────────────── */
.kd-focus-row {
  display: flex;
  gap: 10px;
  margin-top: 14px;
  align-items: stretch;
}
.kd-focus-input-wrap {
  flex: 1;
  position: relative;
}
.kd-focus-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--kd-accent);
  opacity: .5;
  pointer-events: none;
  transition: opacity var(--kd-transition);
}
.kd-focus-input-wrap:focus-within .kd-focus-icon {
  opacity: .9;
}
[dir="rtl"] .kd-focus-icon {
  left: auto;
  right: 14px;
}
.kd-focus-input {
  width: 100%;
  border: 1.5px solid var(--kd-accent-mid);
  border-radius: var(--kd-r);
  padding: 10px 16px 10px 40px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  color: var(--kd-text);
  background: var(--kd-accent-light);
  box-sizing: border-box;
  box-shadow: var(--kd-shadow-sm);
  transition:
    border-color var(--kd-transition),
    box-shadow var(--kd-transition),
    background var(--kd-transition);
}
[dir="rtl"] .kd-focus-input {
  padding: 10px 40px 10px 16px;
}
.kd-focus-input:hover {
  border-color: #93c5fd;
  background: #f0f7ff;
}
.kd-focus-input:focus {
  outline: none;
  border-color: var(--kd-accent);
  box-shadow: 0 0 0 4px var(--kd-accent-glow);
  background: var(--kd-surface);
}
.kd-focus-input::placeholder {
  color: var(--kd-text3);
  font-weight: 400;
}

/* ── Stats Bar ────────────────────────────────────────────── */
.kd-stats-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-top: 14px;
  padding: 14px 20px;
  background: var(--kd-bg);
  border: 1px solid var(--kd-border);
  border-radius: var(--kd-r);
}
.kd-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  flex: 1;
}
.kd-stat-val {
  font-size: 20px;
  font-weight: 750;
  color: var(--kd-accent);
  font-variant-numeric: tabular-nums;
}
.kd-stat-label {
  font-size: 10.5px;
  color: var(--kd-text3);
  text-transform: uppercase;
  letter-spacing: .05em;
  font-weight: 500;
}
.kd-stat-sep {
  width: 1px;
  height: 28px;
  background: var(--kd-border);
  flex-shrink: 0;
}

/* ═══════════════════════════════════════════════════════════════
   FOCUS KEYWORD REPORT
   ═══════════════════════════════════════════════════════════════ */
.kd-focus-report {
  display: none;
  padding: 0 24px 8px;
}
.kd-focus-report.visible { display: block; }

.kd-focus-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 16px;
}
.kd-focus-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 20px 12px;
  background: var(--kd-bg);
  border: 1px solid var(--kd-border);
  border-radius: var(--kd-rl);
  text-align: center;
  gap: 6px;
}
.kd-focus-density-card {
  position: relative;
}
.kd-focus-gauge {
  position: relative;
  width: 120px;
  height: 70px;
}
.kd-focus-gauge svg {
  width: 120px;
  height: 70px;
}
.kd-gauge-bg {
  fill: none;
  stroke: var(--kd-border);
  stroke-width: 8;
  stroke-linecap: round;
}
.kd-gauge-fill {
  fill: none;
  stroke: var(--kd-green);
  stroke-width: 8;
  stroke-linecap: round;
  stroke-dasharray: 157;
  stroke-dashoffset: 157;
  transition: stroke-dashoffset .6s ease, stroke .3s;
}
.kd-gauge-val {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  font-size: 20px;
  font-weight: 700;
  color: var(--kd-text);
}
.kd-focus-big {
  font-size: 28px;
  font-weight: 750;
  color: var(--kd-text);
  font-variant-numeric: tabular-nums;
}
.kd-focus-card-label {
  font-size: 11px;
  color: var(--kd-text3);
  text-transform: uppercase;
  letter-spacing: .05em;
  font-weight: 500;
}
.kd-focus-badge {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 650;
  letter-spacing: .02em;
}
.kd-badge-green {
  background: var(--kd-green-light);
  color: #047857;
}
.kd-badge-yellow {
  background: var(--kd-yellow-light);
  color: #92400e;
}
.kd-badge-red {
  background: var(--kd-red-light);
  color: #b91c1c;
}

/* ── Placement Checks ─────────────────────────────────────── */
.kd-placement-checks {
  margin-bottom: 14px;
}
.kd-section-subtitle {
  font-size: 13px;
  font-weight: 600;
  color: var(--kd-text2);
  text-transform: uppercase;
  letter-spacing: .04em;
  display: block;
  margin-bottom: 8px;
}
.kd-checks-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.kd-check-item {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 7px 16px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  border: 1px solid var(--kd-border);
  transition: transform .15s;
}
.kd-check-item:hover { transform: translateY(-1px); }
.kd-check-pass {
  background: var(--kd-green-light);
  border-color: #a7f3d0;
  color: #065f46;
}
.kd-check-fail {
  background: var(--kd-red-light);
  border-color: #fecaca;
  color: #991b1b;
}
.kd-check-icon {
  font-weight: 700;
  font-size: 14px;
  line-height: 1;
}

/* ── Recommendation ───────────────────────────────────────── */
.kd-rec-box {
  padding: 14px 18px;
  border-radius: var(--kd-r);
  font-size: 14px;
  line-height: 1.6;
  border: 1px solid var(--kd-border);
}
.kd-rec-green {
  background: var(--kd-green-light);
  border-color: #a7f3d0;
  color: #065f46;
}
.kd-rec-yellow {
  background: var(--kd-yellow-light);
  border-color: #fde68a;
  color: #78350f;
}
.kd-rec-red {
  background: var(--kd-red-light);
  border-color: #fecaca;
  color: #7f1d1d;
}

/* ── Related Keywords (LSI) ───────────────────────────────── */
.kd-related-section {
  display: none;
  padding: 0 24px 8px;
}
.kd-related-section.visible { display: block; }

.kd-related-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 8px;
}
.kd-related-tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  border: 1px solid var(--kd-border);
  background: var(--kd-surface);
  color: var(--kd-text2);
  transition: all var(--kd-transition);
}
.kd-related-tag:hover { transform: translateY(-1px); }
.kd-related-found {
  background: var(--kd-green-light);
  border-color: #a7f3d0;
  color: #065f46;
}
.kd-related-missing {
  background: var(--kd-bg);
  border-color: var(--kd-border);
  color: var(--kd-text3);
}
.kd-related-check {
  font-weight: 700;
  color: var(--kd-green);
}
.kd-related-plus {
  font-weight: 700;
  color: var(--kd-text3);
}
.kd-related-note {
  font-size: 11px;
  color: var(--kd-text3);
  font-style: italic;
}

/* ═══════════════════════════════════════════════════════════════
   SCORECARD
   ═══════════════════════════════════════════════════════════════ */
.kd-scorecard {
  display: none;
  padding: 0 24px 8px;
}
.kd-scorecard.visible { display: block; }

.kd-section-title {
  font-size: 15px;
  font-weight: 700;
  margin: 20px 0 14px;
  color: var(--kd-text);
}
.kd-scores-grid {
  display: flex;
  align-items: center;
  gap: 32px;
  background: var(--kd-bg);
  border: 1px solid var(--kd-border);
  border-radius: var(--kd-rl);
  padding: 24px;
}

/* Ring */
.kd-score-ring {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-shrink: 0;
}
.kd-score-ring svg {
  width: 80px;
  height: 80px;
  transform: rotate(-90deg);
}
.kd-ring-bg {
  fill: none;
  stroke: var(--kd-border);
  stroke-width: 6;
}
.kd-ring-fg {
  fill: none;
  stroke: var(--kd-accent);
  stroke-width: 6;
  stroke-linecap: round;
  stroke-dasharray: 213.6;
  stroke-dashoffset: 213.6;
  transition: stroke-dashoffset .6s ease, stroke .3s;
}
.kd-ring-val {
  font-size: 22px;
  font-weight: 750;
  margin-top: -56px;
  margin-bottom: 8px;
  color: var(--kd-text);
}
.kd-ring-label {
  font-size: 11px;
  color: var(--kd-text3);
  text-transform: uppercase;
  letter-spacing: .05em;
  font-weight: 500;
}

/* Bars */
.kd-score-bars {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.kd-bar-row {
  display: flex;
  align-items: center;
  gap: 10px;
}
.kd-bar-label {
  width: 100px;
  font-size: 13px;
  color: var(--kd-text2);
  flex-shrink: 0;
}
.kd-bar-track {
  flex: 1;
  height: 8px;
  background: var(--kd-border);
  border-radius: 4px;
  overflow: hidden;
}
.kd-bar-fill {
  height: 100%;
  width: 0%;
  border-radius: 4px;
  background: var(--kd-accent);
  transition: width .5s ease, background .3s;
}
.kd-bar-fill.good { background: var(--kd-green); }
.kd-bar-fill.warn { background: var(--kd-yellow); }
.kd-bar-fill.bad  { background: var(--kd-red); }
.kd-bar-risk      { background: var(--kd-green); }
.kd-bar-risk.warn { background: var(--kd-yellow); }
.kd-bar-risk.bad  { background: var(--kd-red); }
.kd-bar-val {
  width: 36px;
  text-align: right;
  font-size: 13px;
  font-weight: 650;
  color: var(--kd-text);
  flex-shrink: 0;
  font-variant-numeric: tabular-nums;
}

/* ═══════════════════════════════════════════════════════════════
   HEATMAP
   ═══════════════════════════════════════════════════════════════ */
.kd-heatmap-section {
  display: none;
  padding: 0 24px 8px;
}
.kd-heatmap-section.visible { display: block; }

.kd-heatmap-legend {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: 8px;
  font-size: 11px;
  color: var(--kd-text3);
}
.kd-legend-gradient {
  width: 120px;
  height: 8px;
  border-radius: 4px;
  background: linear-gradient(90deg, #dbeafe, #2563eb, #dc2626);
}
.kd-heatmap-bar {
  display: flex;
  height: 32px;
  border-radius: var(--kd-r);
  overflow: hidden;
  border: 1px solid var(--kd-border);
}
.kd-heatmap-bar .kd-hm-cell {
  flex: 1;
  min-width: 0;
  transition: background .4s;
}
.kd-heatmap-labels {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--kd-text3);
  margin-top: 4px;
  padding: 0 2px;
}

/* ═══════════════════════════════════════════════════════════════
   N-GRAM TABLE
   ═══════════════════════════════════════════════════════════════ */
.kd-results-section {
  padding: 0 24px 8px;
}
.kd-filter-row {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}
.kd-sort-group {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  color: var(--kd-text3);
}
.kd-sort-group svg { opacity: .5; }

.kd-table-wrap {
  overflow-x: auto;
}
.kd-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.kd-table th {
  text-align: left;
  padding: 10px 10px;
  font-size: 11px;
  font-weight: 650;
  color: var(--kd-text3);
  text-transform: uppercase;
  letter-spacing: .05em;
  border-bottom: 2px solid var(--kd-border);
}
.kd-table td {
  padding: 9px 10px;
  border-bottom: 1px solid var(--kd-border);
  vertical-align: middle;
}
.kd-table tbody tr {
  transition: background var(--kd-transition);
}
.kd-table tbody tr:hover { background: var(--kd-accent-light); }
.kd-table tbody tr.kd-row-warn { background: #fffbeb; }
.kd-table tbody tr.kd-row-danger { background: #fef2f2; }
.kd-table tbody tr.kd-row-focus {
  background: var(--kd-accent-light);
  border-left: 3px solid var(--kd-accent);
}
.kd-table tbody tr.kd-row-focus .kd-col-kw {
  color: var(--kd-accent);
  font-weight: 700;
}
.kd-table .kd-col-rank { width: 40px; color: var(--kd-text3); font-variant-numeric: tabular-nums; }
.kd-table .kd-col-kw { font-weight: 500; }
.kd-table .kd-col-count { width: 70px; text-align: center; font-variant-numeric: tabular-nums; }
.kd-table .kd-col-density { width: 80px; text-align: center; font-weight: 650; font-variant-numeric: tabular-nums; }
.kd-table .kd-col-bar { width: 120px; }

.kd-density-bar {
  height: 6px;
  border-radius: 3px;
  background: var(--kd-border);
}
.kd-density-bar-inner {
  height: 100%;
  border-radius: 3px;
  background: var(--kd-accent);
  transition: width .3s;
}
.kd-density-bar-inner.warn { background: var(--kd-yellow); }
.kd-density-bar-inner.danger { background: var(--kd-red); }

.kd-empty {
  text-align: center;
  padding: 32px 16px;
  color: var(--kd-text3);
  font-size: 14px;
}
.kd-empty.hidden { display: none; }
.kd-table-wrap.hidden { display: none; }
.kd-filter-row.hidden { display: none; }

/* ═══════════════════════════════════════════════════════════════
   X-RAY
   ═══════════════════════════════════════════════════════════════ */
.kd-xray-section {
  display: none;
  padding: 0 24px 16px;
}
.kd-xray-section.visible { display: block; }

.kd-xray-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}
.kd-xray-body {
  background: var(--kd-bg);
  border: 1px solid var(--kd-border);
  border-radius: var(--kd-rl);
  padding: 20px;
  font-size: 15px;
  line-height: 1.8;
  max-height: 300px;
  overflow-y: auto;
  word-wrap: break-word;
}
.kd-xray-body mark {
  border-radius: 3px;
  padding: 1px 4px;
  background: var(--kd-accent-mid);
  color: var(--kd-text);
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}
.kd-xray-body mark.kd-hl-1 { background: #bfdbfe; }
.kd-xray-body mark.kd-hl-2 { background: #bbf7d0; }
.kd-xray-body mark.kd-hl-3 { background: #fde68a; }
.kd-xray-body mark.kd-hl-4 { background: #fbcfe8; }
.kd-xray-body mark.kd-hl-5 { background: #c4b5fd; }
.kd-xray-body mark.kd-hl-6 { background: #fed7aa; }
.kd-xray-body mark.kd-hl-7 { background: #a5f3fc; }
.kd-xray-body mark.kd-hl-8 { background: #fca5a5; }

.kd-xray-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
}
.kd-xray-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
}

/* ═══════════════════════════════════════════════════════════════
   HTML STRUCTURE ANALYSIS
   ═══════════════════════════════════════════════════════════════ */
.kd-html-analysis {
  display: none;
  padding: 0 24px 8px;
}
.kd-html-analysis.visible { display: block; }

.kd-html-grid {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.kd-html-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  border-radius: var(--kd-r);
  border: 1px solid var(--kd-border);
  transition: transform .15s;
}
.kd-html-row:hover { transform: translateY(-1px); }
.kd-html-pass {
  background: var(--kd-green-light);
  border-color: #a7f3d0;
}
.kd-html-fail {
  background: var(--kd-red-light);
  border-color: #fecaca;
}
.kd-html-tag {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 140px;
  flex-shrink: 0;
  font-size: 13px;
}
.kd-html-icon {
  font-weight: 700;
  font-size: 14px;
}
.kd-html-pass .kd-html-icon { color: var(--kd-green); }
.kd-html-fail .kd-html-icon { color: var(--kd-red); }
.kd-html-content {
  font-size: 13px;
  color: var(--kd-text2);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ═══════════════════════════════════════════════════════════════
   SEO SUGGESTIONS
   ═══════════════════════════════════════════════════════════════ */
.kd-seo-suggestions {
  display: none;
  padding: 0 24px 8px;
}
.kd-seo-suggestions.visible { display: block; }

.kd-suggestions-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.kd-suggestion {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 16px;
  border-radius: var(--kd-r);
  border: 1px solid var(--kd-border);
  font-size: 13px;
  line-height: 1.5;
}
.kd-suggestion-icon {
  font-weight: 700;
  font-size: 14px;
  flex-shrink: 0;
  margin-top: 1px;
}
.kd-suggestion-success {
  background: var(--kd-green-light);
  border-color: #a7f3d0;
}
.kd-suggestion-success .kd-suggestion-icon { color: var(--kd-green); }
.kd-suggestion-error {
  background: var(--kd-red-light);
  border-color: #fecaca;
}
.kd-suggestion-error .kd-suggestion-icon { color: var(--kd-red); }
.kd-suggestion-warning {
  background: var(--kd-yellow-light);
  border-color: #fde68a;
}
.kd-suggestion-warning .kd-suggestion-icon { color: var(--kd-yellow); }
.kd-suggestion-info {
  background: var(--kd-accent-light);
  border-color: var(--kd-accent-mid);
}
.kd-suggestion-info .kd-suggestion-icon { color: var(--kd-accent); }

/* ═══════════════════════════════════════════════════════════════
   TAG CLOUD
   ═══════════════════════════════════════════════════════════════ */
.kd-tagcloud-section {
  display: none;
  padding: 0 24px 8px;
}
.kd-tagcloud-section.visible { display: block; }

.kd-tagcloud {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 8px 14px;
  padding: 24px 16px;
  background: var(--kd-bg);
  border: 1px solid var(--kd-border);
  border-radius: var(--kd-rl);
  min-height: 80px;
}
.kd-cloud-word {
  display: inline-block;
  font-weight: 550;
  cursor: default;
  transition: transform .15s, color .2s;
  line-height: 1.3;
}
.kd-cloud-word:hover { transform: scale(1.15); }
.kd-cloud-normal { color: var(--kd-accent); }
.kd-cloud-warn { color: var(--kd-yellow); }
.kd-cloud-danger { color: var(--kd-red); }
.kd-cloud-focus {
  color: var(--kd-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  font-weight: 700;
}

/* ═══════════════════════════════════════════════════════════════
   TF-IDF
   ═══════════════════════════════════════════════════════════════ */
.kd-tfidf-section {
  display: none;
  padding: 0 24px 8px;
}
.kd-tfidf-section.visible { display: block; }

.kd-tfidf-note {
  font-size: 12px;
  color: var(--kd-text3);
  margin-bottom: 10px;
  font-style: italic;
}
.kd-tfidf-bars {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.kd-tfidf-row {
  display: flex;
  align-items: center;
  gap: 10px;
}
.kd-tfidf-label {
  width: 120px;
  font-size: 13px;
  color: var(--kd-text2);
  font-weight: 500;
  flex-shrink: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.kd-tfidf-track {
  flex: 1;
  height: 8px;
  background: var(--kd-border);
  border-radius: 4px;
  overflow: hidden;
}
.kd-tfidf-fill {
  height: 100%;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--kd-accent-mid), var(--kd-accent));
  transition: width .5s ease;
}
.kd-tfidf-val {
  width: 50px;
  text-align: right;
  font-size: 12px;
  font-weight: 600;
  color: var(--kd-text3);
  font-variant-numeric: tabular-nums;
  flex-shrink: 0;
}

/* ── TF-IDF Column in Table ──────────────────────────────── */
.kd-table .kd-col-tfidf {
  width: 70px;
  text-align: center;
  font-size: 12px;
  color: var(--kd-text3);
  font-variant-numeric: tabular-nums;
}

/* ═══════════════════════════════════════════════════════════════
   PRIVACY & TOAST
   ═══════════════════════════════════════════════════════════════ */
.kd-privacy {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 24px;
  font-size: 12px;
  color: var(--kd-text3);
  border-top: 1px solid var(--kd-border);
}
.kd-privacy svg { opacity: .5; }

.kd-toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: var(--kd-text);
  color: #fff;
  padding: 12px 24px;
  border-radius: var(--kd-r);
  font-size: 13.5px;
  font-weight: 500;
  opacity: 0;
  transition: all .3s cubic-bezier(.4,0,.2,1);
  z-index: 9999;
  pointer-events: none;
  box-shadow: var(--kd-shadow-md);
}
.kd-toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* ═══════════════════════════════════════════════════════════════
   RTL
   ═══════════════════════════════════════════════════════════════ */
[dir="rtl"] .kd-textarea,
[dir="rtl"] .kd-xray-body { text-align: right; }
[dir="rtl"] .kd-table th { text-align: right; }
[dir="rtl"] .kd-bar-label { text-align: right; }
[dir="rtl"] .kd-bar-val { text-align: left; }
[dir="rtl"] .kd-focus-input { text-align: right; }
[dir="rtl"] .kd-table tbody tr.kd-row-focus {
  border-left: none;
  border-right: 3px solid var(--kd-accent);
}

/* ═══════════════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════════════ */
@media (max-width: 700px) {
  .kd-scores-grid {
    flex-direction: column;
    gap: 20px;
    padding: 16px;
  }
  .kd-bar-label { width: 80px; }
  .kd-tabs { overflow-x: auto; flex-wrap: nowrap; width: 100%; }
  .kd-tab { flex: 1; text-align: center; padding: 8px 12px; }
  .kd-filter-row { gap: 10px; }
  .kd-xray-header { flex-direction: column; align-items: flex-start; }
  .kd-table .kd-col-bar { display: none; }
  .kd-table .kd-col-tfidf { display: none; }
  .kd-html-row { flex-direction: column; align-items: flex-start; }
  .kd-html-tag { min-width: auto; }
  .kd-url-row { flex-direction: column; }
  .kd-tfidf-label { width: 80px; }
  .kd-focus-grid {
    grid-template-columns: 1fr;
  }
  .kd-focus-row {
    flex-direction: column;
  }
  .kd-btn-primary {
    width: 100%;
    justify-content: center;
    padding: 12px 24px;
  }
  .kd-stats-bar {
    flex-wrap: wrap;
    gap: 0;
    padding: 12px 8px;
  }
  .kd-stat {
    min-width: 60px;
    flex: 1 0 30%;
    padding: 4px 0;
  }
  .kd-stat-sep {
    display: none;
  }
  .kd-checks-grid {
    flex-direction: column;
  }
  .kd-check-item {
    justify-content: center;
  }
}