body {
  max-width: 640px;
  margin: 2rem auto;
  padding: 0 1rem 3rem;
}

h1 {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.5px;
}

body > p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-top: 0.3rem;
  margin-bottom: 1.5rem;
}

section {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 1.25rem;
  margin-bottom: 1.5rem;
}

label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.4rem;
  margin-top: 1rem;
  color: var(--color-text);
}

input[type="text"] {
  width: 100%;
  box-sizing: border-box;
  padding: 0.6rem 0.75rem;
  font-size: 1rem;
  font-family: var(--font-family-mono);
  background: var(--color-bg);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: 6px;
}

input[type="text"]:focus {
  outline: none;
  border-color: var(--color-accent-1);
}

.color-picker-row {
  display: flex;
  align-items: center;
  gap: 1rem;
}

input[type="color"] {
  width: 60px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background: var(--color-bg);
  cursor: pointer;
}

.color-preview {
  flex: 1;
  height: 44px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
}

.error {
  color: var(--color-error);
  min-height: 1.2em;
  font-size: 0.9rem;
  margin-top: 0.4rem;
}