/* Phase 12 — Color Converter route layer */
.cr-converter-page {
  width: min(1240px, calc(100% - 40px));
  margin: 0 auto;
  padding: clamp(42px, 6vw, 80px) 0 clamp(64px, 8vw, 112px);
  color: var(--cr-ink);
}

.cr-converter-intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 420px);
  gap: clamp(28px, 5vw, 72px);
  align-items: end;
  margin-bottom: clamp(30px, 4vw, 52px);
}

.cr-converter-eyebrow,
.cr-converter-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  color: var(--cr-muted);
  font-size: var(--cr-font-sm);
  font-weight: 750;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.cr-converter-intro .section-title {
  max-width: 900px;
  margin: 0;
  font-size: clamp(2.6rem, 6.4vw, 5.4rem);
  line-height: .96;
  letter-spacing: -.055em;
}

.cr-converter-lede {
  max-width: 760px;
  margin: 18px 0 0;
  color: var(--cr-muted);
  font-size: clamp(1.05rem, 1.8vw, 1.28rem);
  line-height: 1.65;
}

.cr-converter-intro__note {
  margin: 0;
  padding: 20px 22px;
  border: 1px solid var(--cr-border);
  border-radius: var(--cr-radius-lg);
  background: var(--cr-surface);
  color: var(--cr-muted);
  line-height: 1.55;
  box-shadow: var(--cr-shadow-xs);
}

.cr-converter-intro__note strong {
  display: block;
  margin-bottom: 5px;
  color: var(--cr-ink);
}

.cr-converter-workspace {
  display: grid;
  grid-template-columns: minmax(300px, .72fr) minmax(0, 1.28fr);
  gap: 18px;
  align-items: start;
}

.cr-converter-preview-panel,
.cr-converter-formats {
  border: 1px solid var(--cr-border);
  border-radius: var(--cr-radius-xl);
  background: var(--cr-surface);
  box-shadow: var(--cr-shadow-sm);
}

.cr-converter-preview-panel {
  position: sticky;
  top: 92px;
  overflow: hidden;
}

.cr-converter-preview-stage {
  position: relative;
  display: grid;
  place-items: end start;
  min-height: clamp(320px, 38vw, 500px);
  padding: 28px;
  isolation: isolate;
  background-color: #f5f2ea;
  background-image:
    linear-gradient(45deg, rgba(28, 24, 20, .08) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(28, 24, 20, .08) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, rgba(28, 24, 20, .08) 75%),
    linear-gradient(-45deg, transparent 75%, rgba(28, 24, 20, .08) 75%);
  background-size: 28px 28px;
  background-position: 0 0, 0 14px, 14px -14px, -14px 0;
}

.cr-converter-preview-color {
  position: absolute;
  inset: 0;
  z-index: -1;
  background: rgba(58, 134, 255, 1);
  transition: background-color var(--cr-motion-fast) var(--cr-ease-standard);
}

.cr-converter-preview-badge {
  display: inline-grid;
  gap: 3px;
  max-width: 100%;
  padding: 12px 14px;
  border: 1px solid rgba(255, 255, 255, .65);
  border-radius: var(--cr-radius-md);
  background: rgba(20, 18, 16, .78);
  color: #fff;
  box-shadow: var(--cr-shadow-sm);
  backdrop-filter: blur(10px);
}

.cr-converter-preview-badge span:first-child {
  font-size: 12px;
  font-weight: 750;
  letter-spacing: .08em;
  text-transform: uppercase;
  opacity: .72;
}

.cr-converter-preview-badge strong {
  overflow-wrap: anywhere;
  font-size: clamp(1.05rem, 2vw, 1.35rem);
}

.cr-converter-quick-controls {
  display: grid;
  gap: 18px;
  padding: 22px;
}

.cr-converter-quick-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
}

.cr-converter-quick-row label {
  display: grid;
  gap: 5px;
  font-size: var(--cr-font-sm);
  font-weight: 750;
}

.cr-converter-quick-row label span {
  color: var(--cr-muted);
  font-size: 12px;
  font-weight: 500;
}

.cr-converter-native-color {
  width: 58px;
  height: 44px;
  padding: 3px;
  border: 1px solid var(--cr-border-strong);
  border-radius: var(--cr-radius-md);
  background: var(--cr-surface);
  cursor: pointer;
}

.cr-converter-alpha-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 52px;
  gap: 12px;
  align-items: center;
}

.cr-converter-alpha {
  width: 100%;
  accent-color: var(--cr-ink);
}

.cr-converter-alpha-output {
  color: var(--cr-muted);
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.cr-converter-reset {
  justify-self: start;
}

.cr-converter-formats {
  padding: clamp(18px, 2.4vw, 28px);
}

.cr-converter-formats-head {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: end;
  margin-bottom: 16px;
  padding: 0 2px;
}

.cr-converter-formats-head h2 {
  margin: 0;
  font-size: clamp(1.35rem, 2.3vw, 1.8rem);
  letter-spacing: -.025em;
}

.cr-converter-formats-head p {
  max-width: 440px;
  margin: 0;
  color: var(--cr-muted);
  font-size: var(--cr-font-sm);
  line-height: 1.5;
  text-align: right;
}

.cr-converter-format-list {
  display: grid;
  gap: 10px;
}

.cr-converter-format {
  display: grid;
  grid-template-columns: 86px minmax(0, 1fr) 44px;
  gap: 10px;
  align-items: start;
  padding: 12px;
  border: 1px solid var(--cr-border);
  border-radius: var(--cr-radius-lg);
  background: color-mix(in srgb, var(--cr-surface) 94%, var(--cr-canvas));
  transition: border-color var(--cr-motion-fast) var(--cr-ease-standard), box-shadow var(--cr-motion-fast) var(--cr-ease-standard);
}

.cr-converter-format:focus-within {
  border-color: var(--cr-border-strong);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--cr-focus) 16%, transparent);
}

.cr-converter-format__label {
  padding-top: 11px;
}

.cr-converter-format__label strong {
  display: block;
  font-size: .86rem;
  letter-spacing: .025em;
}

.cr-converter-format__label span {
  display: block;
  margin-top: 2px;
  color: var(--cr-muted);
  font-size: 11px;
}

.cr-converter-format__field {
  min-width: 0;
}

.cr-converter-input {
  width: 100%;
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid var(--cr-border);
  border-radius: var(--cr-radius-md);
  background: var(--cr-canvas);
  color: var(--cr-ink);
  font: 650 .88rem/1.35 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.cr-converter-input[aria-invalid="true"] {
  border-color: var(--cr-danger);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--cr-danger) 13%, transparent);
}

.cr-converter-input:focus-visible,
.cr-converter-copy:focus-visible,
.cr-converter-native-color:focus-visible,
.cr-converter-alpha:focus-visible {
  outline: 3px solid var(--cr-focus);
  outline-offset: 2px;
}

.cr-converter-error {
  min-height: 16px;
  margin: 5px 2px 0;
  color: var(--cr-danger);
  font-size: 11px;
  line-height: 1.35;
}

.cr-converter-copy {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--cr-border);
  border-radius: var(--cr-radius-md);
  background: var(--cr-surface);
  color: var(--cr-ink);
  cursor: pointer;
}

.cr-converter-copy:hover {
  border-color: var(--cr-border-strong);
  transform: translateY(-1px);
}

.cr-converter-copy svg {
  width: 19px;
  height: 19px;
  fill: currentColor;
}

.cr-converter-scope {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  margin-top: 16px;
  padding: 14px 16px;
  border: 1px solid var(--cr-border);
  border-radius: var(--cr-radius-md);
  background: var(--cr-canvas);
  color: var(--cr-muted);
  font-size: var(--cr-font-sm);
  line-height: 1.5;
}

.cr-converter-scope strong { color: var(--cr-ink); }
.cr-converter-scope__icon { font-weight: 800; color: var(--cr-info); }

.cr-converter-support {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: clamp(54px, 7vw, 88px);
}

.cr-converter-content {
  padding: clamp(24px, 3vw, 34px);
  border: 1px solid var(--cr-border);
  border-radius: var(--cr-radius-xl);
  background: var(--cr-surface);
}

.cr-converter-content--wide { grid-column: 1 / -1; }
.cr-converter-content h2 { margin: 0 0 13px; font-size: clamp(1.45rem, 2.7vw, 2rem); letter-spacing: -.03em; }
.cr-converter-content h3 { margin: 22px 0 8px; font-size: 1.05rem; }
.cr-converter-content p,
.cr-converter-content li { color: var(--cr-muted); line-height: 1.7; }
.cr-converter-content p { margin: 0; }
.cr-converter-content ul { margin: 14px 0 0; padding-left: 20px; }
.cr-converter-content code {
  padding: 2px 6px;
  border: 1px solid var(--cr-border);
  border-radius: 6px;
  background: var(--cr-canvas);
  color: var(--cr-ink);
  font-size: .9em;
}

.cr-converter-format-guide {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 18px;
}

.cr-converter-format-guide div {
  padding: 16px;
  border: 1px solid var(--cr-border);
  border-radius: var(--cr-radius-lg);
  background: var(--cr-canvas);
}

.cr-converter-format-guide strong { display: block; margin-bottom: 5px; }
.cr-converter-format-guide p { font-size: .92rem; line-height: 1.55; }

.cr-converter-example {
  display: grid;
  gap: 8px;
  margin-top: 16px;
  padding: 16px;
  border: 1px solid var(--cr-border);
  border-radius: var(--cr-radius-lg);
  background: var(--cr-canvas);
  overflow-x: auto;
}

.cr-converter-example code { border: 0; padding: 0; white-space: nowrap; }

.cr-converter-related {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 18px;
}

.cr-converter-related a {
  display: grid;
  gap: 4px;
  padding: 16px;
  border: 1px solid var(--cr-border);
  border-radius: var(--cr-radius-lg);
  color: var(--cr-ink);
  text-decoration: none;
  background: var(--cr-canvas);
  transition: transform var(--cr-motion-fast) var(--cr-ease-standard), border-color var(--cr-motion-fast) var(--cr-ease-standard);
}

.cr-converter-related a:hover { transform: translateY(-2px); border-color: var(--cr-border-strong); }
.cr-converter-related a:focus-visible { outline: 3px solid var(--cr-focus); outline-offset: 2px; }
.cr-converter-related span { color: var(--cr-muted); font-size: .88rem; line-height: 1.45; }

@media (max-width: 1060px) {
  .cr-converter-intro { grid-template-columns: 1fr; align-items: start; }
  .cr-converter-workspace { grid-template-columns: 1fr; }
  .cr-converter-preview-panel { position: static; display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(280px, .8fr); }
  .cr-converter-preview-stage { min-height: 330px; }
  .cr-converter-quick-controls { align-content: center; }
}

@media (max-width: 760px) {
  .cr-converter-page { width: min(100% - 28px, 1240px); padding-top: 34px; }
  .cr-converter-preview-panel { grid-template-columns: 1fr; }
  .cr-converter-preview-stage { min-height: 300px; }
  .cr-converter-formats-head { display: grid; }
  .cr-converter-formats-head p { text-align: left; }
  .cr-converter-format { grid-template-columns: 72px minmax(0, 1fr) 44px; }
  .cr-converter-support { grid-template-columns: 1fr; }
  .cr-converter-content--wide { grid-column: auto; }
  .cr-converter-related { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  .cr-converter-page { width: min(100% - 20px, 1240px); }
  .cr-converter-intro .section-title { font-size: clamp(2.25rem, 13vw, 3.6rem); }
  .cr-converter-preview-stage { min-height: 250px; padding: 18px; }
  .cr-converter-formats { padding: 12px; }
  .cr-converter-format {
    grid-template-columns: minmax(0, 1fr) 44px;
    gap: 8px;
  }
  .cr-converter-format__label { grid-column: 1 / -1; padding-top: 0; display: flex; justify-content: space-between; gap: 10px; }
  .cr-converter-format__label span { margin-top: 0; }
  .cr-converter-format__field { grid-column: 1; }
  .cr-converter-copy { grid-column: 2; }
  .cr-converter-format-guide { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  .cr-converter-preview-color,
  .cr-converter-copy,
  .cr-converter-related a { transition: none; }
}