/* ═══════════════════════════════════════════════════════════════
   COLOR CONVERTER — Professional Stylesheet
   Namespace: cc- (color-converter)
   Primary: var(--cc-primary) — synced with site primary
═══════════════════════════════════════════════════════════════ */

/* ── Variables ─────────────────────────────────────────────── */
:root {
  --cc-primary:        #3b82f6;
  --cc-primary-dark:   #2563eb;
  --cc-primary-light:  #93c5fd;
  --cc-primary-glow:   rgba(59, 130, 246, 0.18);

  --cc-bg:             #0f1117;
  --cc-bg-card:        #161b27;
  --cc-bg-card-hover:  #1c2336;
  --cc-bg-input:       #1e2535;
  --cc-bg-input-focus: #232d42;

  --cc-border:         rgba(255,255,255,0.07);
  --cc-border-focus:   rgba(59,130,246,0.5);

  --cc-text-primary:   #f1f5f9;
  --cc-text-secondary: #94a3b8;
  --cc-text-muted:     #475569;

  --cc-success:        #22c55e;
  --cc-warning:        #f59e0b;
  --cc-danger:         #ef4444;

  --cc-radius-sm:      6px;
  --cc-radius:         12px;
  --cc-radius-lg:      18px;
  --cc-radius-xl:      24px;

  --cc-shadow-sm:      0 1px 3px rgba(0,0,0,0.4);
  --cc-shadow:         0 4px 20px rgba(0,0,0,0.4);
  --cc-shadow-lg:      0 8px 40px rgba(0,0,0,0.5);
  --cc-shadow-glow:    0 0 30px rgba(59,130,246,0.15);

  --cc-transition:     0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --cc-transition-lg:  0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Reset & Base ───────────────────────────────────────────── */
.cc-hero *,
.cc-main *,
.cc-seo-section * {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* ── Hero ───────────────────────────────────────────────────── */
.cc-hero {
  background: linear-gradient(135deg, #0f1117 0%, #161b27 50%, #0f1117 100%);
  border-bottom: 1px solid var(--cc-border);
  padding: 56px 24px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cc-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 50% 0%, rgba(59,130,246,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.cc-hero__inner {
  position: relative;
  max-width: 720px;
  margin: 0 auto;
}

.cc-hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(59,130,246,0.12);
  border: 1px solid rgba(59,130,246,0.25);
  color: var(--cc-primary-light);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: 100px;
  margin-bottom: 20px;
}

.cc-hero__title {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  color: var(--cc-text-primary);
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 16px;
  background: linear-gradient(135deg, #f1f5f9 0%, var(--cc-primary-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.cc-hero__subtitle {
  font-size: 1.05rem;
  color: var(--cc-text-secondary);
  line-height: 1.7;
  max-width: 560px;
  margin: 0 auto;
}

.cc-hero__subtitle strong {
  color: var(--cc-primary-light);
  font-weight: 600;
}

/* ── Layout ─────────────────────────────────────────────────── */
.cc-main {
  background: var(--cc-bg);
  padding: 40px 0 60px;
  min-height: 60vh;
}

.cc-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* ── Card ───────────────────────────────────────────────────── */
.cc-card {
  background: var(--cc-bg-card);
  border: 1px solid var(--cc-border);
  border-radius: var(--cc-radius-lg);
  padding: 24px;
  box-shadow: var(--cc-shadow);
  transition: border-color var(--cc-transition), box-shadow var(--cc-transition);
}

.cc-card:hover {
  border-color: rgba(255,255,255,0.11);
  box-shadow: var(--cc-shadow-lg);
}

.cc-card__header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--cc-border);
}

.cc-card__icon {
  width: 18px;
  height: 18px;
  color: var(--cc-primary);
  flex-shrink: 0;
}

.cc-card__title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--cc-text-primary);
  letter-spacing: -0.01em;
  flex: 1;
}

/* ── Top Row ────────────────────────────────────────────────── */
.cc-top-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

/* ── Gradient Canvas Picker ─────────────────────────────────── */
.cc-picker-wrap {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.cc-gradient-picker {
  position: relative;
  border-radius: var(--cc-radius);
  overflow: hidden;
  cursor: crosshair;
  box-shadow: var(--cc-shadow-sm);
  border: 1px solid var(--cc-border);
}

#colorCanvas {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--cc-radius);
}

.cc-canvas-cursor {
  position: absolute;
  width: 18px;
  height: 18px;
  border: 2.5px solid #fff;
  border-radius: 50%;
  box-shadow: 0 0 0 1.5px rgba(0,0,0,0.6), 0 2px 8px rgba(0,0,0,0.5);
  pointer-events: none;
  transform: translate(-50%, -50%);
  top: 50%;
  left: 50%;
  transition: transform 0.05s;
}

/* ── Sliders ────────────────────────────────────────────────── */
.cc-slider-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.cc-slider-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--cc-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  width: 38px;
  flex-shrink: 0;
}

.cc-hue-track,
.cc-alpha-track {
  flex: 1;
  height: 14px;
  border-radius: 100px;
  position: relative;
  overflow: hidden;
}

.cc-hue-track {
  background: linear-gradient(to right,
    hsl(0,100%,50%), hsl(30,100%,50%), hsl(60,100%,50%),
    hsl(90,100%,50%), hsl(120,100%,50%), hsl(150,100%,50%),
    hsl(180,100%,50%), hsl(210,100%,50%), hsl(240,100%,50%),
    hsl(270,100%,50%), hsl(300,100%,50%), hsl(330,100%,50%),
    hsl(360,100%,50%));
}

.cc-alpha-track {
  background:
    linear-gradient(to right, transparent, var(--cc-primary)),
    repeating-conic-gradient(#555 0% 25%, #333 0% 50%) 0 0 / 10px 10px;
}

.cc-range {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 100%;
  background: transparent;
  cursor: pointer;
  position: relative;
  z-index: 1;
}

.cc-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid rgba(0,0,0,0.3);
  box-shadow: 0 1px 6px rgba(0,0,0,0.5);
  cursor: pointer;
  transition: transform var(--cc-transition);
}

.cc-range::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

.cc-range::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid rgba(0,0,0,0.3);
  box-shadow: 0 1px 6px rgba(0,0,0,0.5);
  cursor: pointer;
}

.cc-slider-val {
  font-size: 11px;
  font-weight: 600;
  color: var(--cc-text-secondary);
  width: 36px;
  text-align: right;
  flex-shrink: 0;
}

/* ── Quick Row ──────────────────────────────────────────────── */
.cc-quick-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.cc-native-wrap {
  position: relative;
  cursor: pointer;
}

.cc-native-wrap input[type="color"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.cc-native-label {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--cc-bg-input);
  border: 1px solid var(--cc-border);
  color: var(--cc-text-secondary);
  font-size: 12px;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: var(--cc-radius-sm);
  cursor: pointer;
  transition: all var(--cc-transition);
  white-space: nowrap;
}

.cc-native-label svg {
  width: 14px;
  height: 14px;
}

.cc-native-label:hover {
  background: var(--cc-bg-input-focus);
  border-color: var(--cc-border-focus);
  color: var(--cc-text-primary);
}

.cc-hex-quick {
  flex: 1;
  display: flex;
  align-items: center;
  background: var(--cc-bg-input);
  border: 1px solid var(--cc-border);
  border-radius: var(--cc-radius-sm);
  overflow: hidden;
  transition: border-color var(--cc-transition);
}

.cc-hex-quick:focus-within {
  border-color: var(--cc-border-focus);
  box-shadow: 0 0 0 3px var(--cc-primary-glow);
}

.cc-hex-hash {
  padding: 0 8px 0 12px;
  font-size: 14px;
  font-weight: 700;
  color: var(--cc-text-muted);
  font-family: 'Courier New', monospace;
}

.cc-hex-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--cc-text-primary);
  font-size: 14px;
  font-weight: 600;
  font-family: 'Courier New', monospace;
  padding: 9px 12px 9px 0;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.cc-hex-input::placeholder {
  color: var(--cc-text-muted);
  text-transform: none;
  letter-spacing: 0;
}

/* ── Buttons ────────────────────────────────────────────────── */
.cc-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  border: none;
  border-radius: var(--cc-radius-sm);
  cursor: pointer;
  transition: all var(--cc-transition);
  white-space: nowrap;
}

.cc-btn svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

.cc-btn--primary {
  background: var(--cc-primary);
  color: #fff;
  padding: 10px 20px;
  box-shadow: 0 2px 12px rgba(59,130,246,0.35);
}

.cc-btn--primary:hover {
  background: var(--cc-primary-dark);
  box-shadow: 0 4px 20px rgba(59,130,246,0.5);
  transform: translateY(-1px);
}

.cc-btn--ghost {
  background: transparent;
  border: 1px solid var(--cc-border);
  color: var(--cc-text-secondary);
  padding: 7px 14px;
}

.cc-btn--ghost:hover {
  background: var(--cc-bg-input);
  border-color: var(--cc-border-focus);
  color: var(--cc-text-primary);
}

.cc-btn--sm {
  font-size: 12px;
  padding: 6px 12px;
}

.cc-btn--icon {
  background: var(--cc-bg-input);
  border: 1px solid var(--cc-border);
  color: var(--cc-text-secondary);
  padding: 9px;
  border-radius: var(--cc-radius-sm);
}

.cc-btn--icon svg {
  width: 15px;
  height: 15px;
}

.cc-btn--icon:hover {
  background: var(--cc-bg-input-focus);
  border-color: var(--cc-border-focus);
  color: var(--cc-text-primary);
  transform: rotate(180deg);
}

/* ── Preview Card ───────────────────────────────────────────── */
.cc-swatch-main {
  position: relative;
  height: 130px;
  border-radius: var(--cc-radius);
  overflow: hidden;
  margin-bottom: 14px;
  box-shadow: var(--cc-shadow);
}

.cc-swatch-checkerboard {
  position: absolute;
  inset: 0;
  background:
    repeating-conic-gradient(#2a2a2a 0% 25%, #1a1a1a 0% 50%)
    0 0 / 20px 20px;
}

.cc-swatch-color {
  position: absolute;
  inset: 0;
  transition: background-color var(--cc-transition-lg);
}

.cc-swatch-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 10px 14px;
  background: linear-gradient(to top, rgba(0,0,0,0.6) 0%, transparent 100%);
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
}

.cc-swatch-hex {
  font-family: 'Courier New', monospace;
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  text-shadow: 0 1px 4px rgba(0,0,0,0.8);
  letter-spacing: 0.06em;
}

.cc-swatch-name {
  font-size: 11px;
  font-weight: 500;
  color: rgba(255,255,255,0.75);
  text-shadow: 0 1px 4px rgba(0,0,0,0.8);
}

/* ── Contrast Preview ───────────────────────────────────────── */
.cc-contrast-preview {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 12px;
}

.cc-contrast-box {
  border-radius: var(--cc-radius-sm);
  padding: 12px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background-color var(--cc-transition-lg);
}

.cc-contrast-box--dark {
  background: var(--cc-bg-input);
}

.cc-contrast-text {
  font-size: 12px;
  font-weight: 600;
  transition: color var(--cc-transition-lg);
}

.cc-contrast-badge {
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 100px;
  background: rgba(255,255,255,0.1);
  color: var(--cc-text-secondary);
  font-family: 'Courier New', monospace;
}

/* ── WCAG Row ───────────────────────────────────────────────── */
.cc-wcag-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.cc-wcag-item {
  background: var(--cc-bg-input);
  border-radius: var(--cc-radius-sm);
  padding: 8px;
  text-align: center;
}

.cc-wcag-label {
  display: block;
  font-size: 9px;
  font-weight: 700;
  color: var(--cc-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.cc-wcag-status {
  display: block;
  font-size: 11px;
  font-weight: 700;
}

.cc-wcag-status.pass {
  color: var(--cc-success);
}

.cc-wcag-status.fail {
  color: var(--cc-danger);
}

/* ── Format Grid ────────────────────────────────────────────── */
.cc-formats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.cc-format-item {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--cc-bg-input);
  border: 1px solid var(--cc-border);
  border-radius: var(--cc-radius-sm);
  padding: 10px 12px;
  transition: all var(--cc-transition);
}

.cc-format-item:hover {
  border-color: rgba(255,255,255,0.12);
  background: var(--cc-bg-input-focus);
}

.cc-format-dot {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  flex-shrink: 0;
  border: 1px solid rgba(255,255,255,0.1);
  transition: background-color var(--cc-transition-lg);
}

.cc-format-info {
  flex: 1;
  min-width: 0;
}

.cc-format-label {
  display: block;
  font-size: 10px;
  font-weight: 700;
  color: var(--cc-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin-bottom: 3px;
}

.cc-format-input {
  width: 100%;
  background: transparent;
  border: none;
  outline: none;
  color: var(--cc-text-primary);
  font-size: 12.5px;
  font-weight: 500;
  font-family: 'Courier New', monospace;
  cursor: text;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.cc-copy-btn {
  background: transparent;
  border: none;
  color: var(--cc-text-muted);
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
  transition: all var(--cc-transition);
  flex-shrink: 0;
  display: flex;
  align-items: center;
}

.cc-copy-btn svg {
  width: 14px;
  height: 14px;
}

.cc-copy-btn:hover {
  color: var(--cc-primary);
  background: var(--cc-primary-glow);
}

.cc-copy-btn.copied {
  color: var(--cc-success);
}

/* ── Palette Row ────────────────────────────────────────────── */
.cc-palette-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}


/* ── Tints Grid (continued) ─────────────────────────────────── */
.cc-tints-grid {
  display: grid;
  grid-template-columns: repeat(10, 1fr);
  gap: 6px;
}

.cc-tint-swatch {
  aspect-ratio: 1;
  border-radius: var(--cc-radius-sm);
  cursor: pointer;
  border: 1px solid rgba(255,255,255,0.08);
  position: relative;
  transition: transform var(--cc-transition), box-shadow var(--cc-transition);
  overflow: visible;
}

.cc-tint-swatch:hover {
  transform: scale(1.18) translateY(-3px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.5);
  z-index: 10;
  border-color: rgba(255,255,255,0.25);
}

.cc-tint-swatch::after {
  content: attr(data-label);
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  background: #1e2535;
  border: 1px solid var(--cc-border);
  color: var(--cc-text-primary);
  font-size: 10px;
  font-weight: 600;
  font-family: 'Courier New', monospace;
  padding: 4px 7px;
  border-radius: 5px;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--cc-transition);
  box-shadow: var(--cc-shadow);
  z-index: 100;
}

.cc-tint-swatch:hover::after {
  opacity: 1;
}

/* ── Harmonies ──────────────────────────────────────────────── */
.cc-harmonies-tabs {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.cc-tab {
  background: var(--cc-bg-input);
  border: 1px solid var(--cc-border);
  color: var(--cc-text-secondary);
  font-size: 11px;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 100px;
  cursor: pointer;
  transition: all var(--cc-transition);
  letter-spacing: 0.02em;
}

.cc-tab:hover {
  border-color: var(--cc-border-focus);
  color: var(--cc-text-primary);
}

.cc-tab--active {
  background: var(--cc-primary);
  border-color: var(--cc-primary);
  color: #fff;
  box-shadow: 0 2px 10px rgba(59,130,246,0.35);
}

.cc-harmonies-grid {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.cc-harmony-swatch {
  flex: 1;
  min-width: 60px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
  transition: transform var(--cc-transition);
}

.cc-harmony-swatch:hover {
  transform: translateY(-3px);
}

.cc-harmony-color {
  height: 64px;
  border-radius: var(--cc-radius-sm);
  border: 1px solid rgba(255,255,255,0.08);
  transition: background-color var(--cc-transition-lg), box-shadow var(--cc-transition);
}

.cc-harmony-swatch:hover .cc-harmony-color {
  box-shadow: 0 4px 16px rgba(0,0,0,0.4);
  border-color: rgba(255,255,255,0.2);
}

.cc-harmony-label {
  font-size: 10px;
  font-weight: 600;
  color: var(--cc-text-muted);
  text-align: center;
  font-family: 'Courier New', monospace;
  letter-spacing: 0.04em;
  transition: color var(--cc-transition);
}

.cc-harmony-swatch:hover .cc-harmony-label {
  color: var(--cc-text-secondary);
}

.cc-harmony-name {
  font-size: 9px;
  font-weight: 500;
  color: var(--cc-text-muted);
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ── History ────────────────────────────────────────────────── */
.cc-history-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  min-height: 52px;
  align-items: center;
}

.cc-history-empty {
  font-size: 13px;
  color: var(--cc-text-muted);
  font-style: italic;
}

.cc-history-swatch {
  width: 44px;
  height: 44px;
  border-radius: var(--cc-radius-sm);
  cursor: pointer;
  border: 1px solid rgba(255,255,255,0.08);
  position: relative;
  transition: transform var(--cc-transition), box-shadow var(--cc-transition);
  flex-shrink: 0;
  overflow: visible;
}

.cc-history-swatch:hover {
  transform: scale(1.15) translateY(-3px);
  box-shadow: 0 6px 18px rgba(0,0,0,0.5);
  border-color: rgba(255,255,255,0.25);
  z-index: 10;
}

.cc-history-swatch::after {
  content: attr(data-hex);
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  background: #1e2535;
  border: 1px solid var(--cc-border);
  color: var(--cc-text-primary);
  font-size: 10px;
  font-weight: 600;
  font-family: 'Courier New', monospace;
  padding: 4px 8px;
  border-radius: 5px;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--cc-transition);
  box-shadow: var(--cc-shadow);
  z-index: 100;
}

.cc-history-swatch:hover::after {
  opacity: 1;
}

/* ── Paste & Convert ────────────────────────────────────────── */
.cc-input-converter {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.cc-input-row {
  display: flex;
  gap: 10px;
}

.cc-paste-input {
  flex: 1;
  background: var(--cc-bg-input);
  border: 1px solid var(--cc-border);
  border-radius: var(--cc-radius-sm);
  color: var(--cc-text-primary);
  font-size: 14px;
  font-family: 'Courier New', monospace;
  padding: 11px 16px;
  outline: none;
  transition: all var(--cc-transition);
}

.cc-paste-input::placeholder {
  color: var(--cc-text-muted);
  font-family: inherit;
  font-size: 13px;
}

.cc-paste-input:focus {
  border-color: var(--cc-border-focus);
  background: var(--cc-bg-input-focus);
  box-shadow: 0 0 0 3px var(--cc-primary-glow);
}

.cc-parse-error {
  font-size: 12px;
  color: var(--cc-danger);
  font-weight: 500;
  min-height: 18px;
  padding: 0 2px;
  transition: opacity var(--cc-transition);
}

.cc-parse-examples {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.cc-examples-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--cc-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.cc-example-btn {
  background: var(--cc-bg-input);
  border: 1px solid var(--cc-border);
  color: var(--cc-text-secondary);
  font-size: 11px;
  font-weight: 600;
  padding: 5px 11px;
  border-radius: 100px;
  cursor: pointer;
  transition: all var(--cc-transition);
  font-family: 'Courier New', monospace;
}

.cc-example-btn:hover {
  background: var(--cc-primary-glow);
  border-color: var(--cc-border-focus);
  color: var(--cc-primary-light);
}

/* ── SEO Section ────────────────────────────────────────────── */
.cc-seo-section {
  background: var(--cc-bg-card);
  border-top: 1px solid var(--cc-border);
  padding: 60px 0;
}

.cc-seo-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}

.cc-seo-card {
  background: var(--cc-bg);
  border: 1px solid var(--cc-border);
  border-radius: var(--cc-radius);
  padding: 24px;
}

.cc-seo-card h2 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--cc-text-primary);
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.cc-seo-card p {
  font-size: 0.875rem;
  color: var(--cc-text-secondary);
  line-height: 1.75;
}

.cc-seo-card strong {
  color: var(--cc-primary-light);
  font-weight: 600;
}

.cc-seo-card code {
  background: rgba(59,130,246,0.1);
  color: var(--cc-primary-light);
  font-family: 'Courier New', monospace;
  font-size: 0.82em;
  padding: 1px 6px;
  border-radius: 4px;
}

/* ── FAQ ────────────────────────────────────────────────────── */
.cc-faq__title {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--cc-text-primary);
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.cc-faq__item {
  background: var(--cc-bg);
  border: 1px solid var(--cc-border);
  border-radius: var(--cc-radius);
  padding: 20px 24px;
  margin-bottom: 12px;
  transition: border-color var(--cc-transition);
}

.cc-faq__item:hover {
  border-color: rgba(255,255,255,0.12);
}

.cc-faq__item h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--cc-text-primary);
  margin-bottom: 10px;
}

.cc-faq__item p {
  font-size: 0.875rem;
  color: var(--cc-text-secondary);
  line-height: 1.75;
}

.cc-faq__item code {
  background: rgba(59,130,246,0.1);
  color: var(--cc-primary-light);
  font-family: 'Courier New', monospace;
  font-size: 0.82em;
  padding: 1px 6px;
  border-radius: 4px;
}

/* ── Toast Notification ─────────────────────────────────────── */
.cc-toast {
  position: fixed;
  bottom: 28px;
  right: 28px;
  background: #1e2535;
  border: 1px solid var(--cc-border);
  border-left: 3px solid var(--cc-success);
  color: var(--cc-text-primary);
  font-size: 13px;
  font-weight: 600;
  padding: 12px 18px;
  border-radius: var(--cc-radius-sm);
  box-shadow: var(--cc-shadow-lg);
  z-index: 9999;
  display: flex;
  align-items: center;
  gap: 8px;
  transform: translateY(80px);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  pointer-events: none;
}

.cc-toast.show {
  transform: translateY(0);
  opacity: 1;
}

.cc-toast svg {
  width: 15px;
  height: 15px;
  color: var(--cc-success);
  flex-shrink: 0;
}

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 900px) {
  .cc-top-row,
  .cc-palette-row {
    grid-template-columns: 1fr;
  }

  .cc-formats-grid {
    grid-template-columns: 1fr;
  }

  .cc-seo-grid {
    grid-template-columns: 1fr;
  }

  .cc-wcag-row {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .cc-hero {
    padding: 36px 16px 32px;
  }

  .cc-container {
    padding: 0 12px;
    gap: 16px;
  }

  .cc-card {
    padding: 16px;
  }

  .cc-tints-grid {
    grid-template-columns: repeat(5, 1fr);
  }

  .cc-wcag-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .cc-harmonies-grid {
    gap: 6px;
  }

  .cc-input-row {
    flex-direction: column;
  }

  .cc-quick-row {
    flex-wrap: wrap;
  }

  .cc-hex-quick {
    flex: 1 1 100%;
    order: -1;
  }

  .cc-toast {
    bottom: 16px;
    right: 16px;
    left: 16px;
  }
}

/* ── Animations ─────────────────────────────────────────────── */
@keyframes cc-pulse-ring {
  0%   { box-shadow: 0 0 0 0 rgba(59,130,246,0.4); }
  70%  { box-shadow: 0 0 0 10px rgba(59,130,246,0); }
  100% { box-shadow: 0 0 0 0 rgba(59,130,246,0); }
}

.cc-format-item.just-updated {
  animation: cc-pulse-ring 0.5s ease-out;
}

@keyframes cc-fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.cc-harmony-swatch,
.cc-tint-swatch,
.cc-history-swatch {
  animation: cc-fade-in 0.3s ease-out both;
}

/* ── Scrollbar ──────────────────────────────────────────────── */
.cc-main ::-webkit-scrollbar { width: 6px; height: 6px; }
.cc-main ::-webkit-scrollbar-track { background: transparent; }
.cc-main ::-webkit-scrollbar-thumb {
  background: var(--cc-border);
  border-radius: 100px;
}
.cc-main ::-webkit-scrollbar-thumb:hover {
  background: var(--cc-text-muted);
}

/* ── Focus Visible ──────────────────────────────────────────── */
.cc-btn:focus-visible,
.cc-copy-btn:focus-visible,
.cc-tab:focus-visible,
.cc-example-btn:focus-visible,
.cc-tint-swatch:focus-visible,
.cc-history-swatch:focus-visible {
  outline: 2px solid var(--cc-primary);
  outline-offset: 2px;
}