.ctc-form {
  display: grid;
  min-width: 0;
  gap: clamp(2rem, 4vw, 2.25rem);
  padding: clamp(2.5rem, 4vw, 3rem);
  border: var(--p-line) solid var(--color-line);
  border-radius: var(--p-radius-small);
  background: var(--color-surface-raised);
  color: var(--color-text);
}

.ctc-heading {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  min-width: 0;
}

.ctc-title {
  margin: 0;
  font: var(--p-weight-medium) clamp(1.25rem, 1.8vw, 1.4rem)/1.2 var(--font-display);
  letter-spacing: -0.02em;
  overflow-wrap: anywhere;
}

.ctc-grid {
  display: grid;
  min-width: 0;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-6) clamp(1rem, 2vw, 1.5rem);
}

.ctc-field {
  display: grid;
  min-width: 0;
  align-content: start;
  gap: var(--space-2);
}

.ctc-field--wide { grid-column: 1 / -1; }

.ctc-label {
  color: var(--color-text);
  font-size: var(--type-small);
  font-weight: var(--p-weight-medium);
  line-height: 1.4;
}

.ctc-optional {
  color: var(--color-text-secondary);
  font-weight: var(--p-weight-regular);
}

.ctc-control {
  display: block;
  width: 100%;
  min-width: 0;
  min-height: 3rem;
  padding: var(--space-3) 1rem;
  border: var(--p-line) solid var(--color-line);
  border-radius: var(--p-radius-small);
  background: var(--color-surface);
  color: var(--color-text);
  font: inherit;
  font-size: max(1rem, var(--type-body));
  line-height: 1.5;
}

.ctc-control:hover { border-color: var(--color-text-secondary); }
.ctc-control:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 2px; }
.ctc-control[aria-invalid="true"] { border-color: var(--color-text-secondary); }
.ctc-control--textarea { min-height: 8.75rem; resize: vertical; }

.ctc-error {
  margin: 0;
  color: var(--color-text);
  font-size: var(--type-caption);
  font-weight: var(--p-weight-medium);
  line-height: 1.45;
}

.ctc-footer {
  display: grid;
  justify-items: start;
  gap: var(--space-4);
  min-width: 0;
}

.ctc-btn {
  display: inline-flex;
  width: max-content;
  max-width: 100%;
  min-height: 3rem;
  align-items: center;
  justify-content: center;
  padding: var(--space-3) clamp(1.5rem, 3vw, 2rem);
  border: var(--p-line) solid transparent;
  border-radius: var(--p-radius-small);
  background: var(--button-primary-bg);
  color: var(--button-primary-fg);
  cursor: pointer;
  font: var(--p-weight-medium) var(--type-small)/1.3 var(--font-body);
  text-align: center;
  transition: background-color 200ms var(--motion-easing), border-color 200ms var(--motion-easing), color 200ms var(--motion-easing), transform 200ms var(--motion-easing);
}

.ctc-btn:hover:not(:disabled) {
  border-color: var(--button-motion-hover-bg);
  background: var(--button-motion-hover-bg);
  color: var(--button-motion-hover-fg);
  transform: translateY(-1px);
}

.ctc-btn:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 3px; }
.ctc-btn:active:not(:disabled) { transform: translateY(1px); }
.ctc-btn:disabled { cursor: not-allowed; opacity: 0.55; }

.ctc-btn--secondary {
  border-color: var(--button-outline-border);
  background: transparent;
  color: var(--color-text);
}

.ctc-btn--secondary:hover:not(:disabled) {
  border-color: var(--color-text-secondary);
  background: color-mix(in srgb, var(--color-text) 5%, transparent);
  color: var(--color-text);
}

.ctc-note {
  max-width: 42ch;
  margin: 0;
  color: var(--color-text-muted);
  font-size: var(--type-caption);
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.ctc-result {
  display: grid;
  min-width: 0;
  gap: var(--space-3);
  padding: var(--space-4);
  border: var(--p-line) solid var(--color-line);
  border-radius: var(--p-radius-small);
  background: var(--color-surface);
}

.ctc-result__text { min-height: 10rem; }
.ctc-copy-status { min-height: 1.4em; margin: 0; color: var(--color-text-secondary); font-size: var(--type-caption); line-height: 1.5; }

@media (max-width: 39.999rem) {
  .ctc-form { padding: 1.5rem; }
  .ctc-grid { grid-template-columns: minmax(0, 1fr); }
  .ctc-field--wide { grid-column: auto; }
  .ctc-footer { justify-items: stretch; }
  .ctc-footer .ctc-btn, .ctc-result .ctc-btn { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  .ctc-btn { transition: none; }
}