.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 36px;
  padding-inline: 16px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  transition: background-color var(--duration) ease, border-color var(--duration) ease,
    color var(--duration) ease, transform var(--duration) ease;
}

.btn:active {
  transform: scale(0.97);
}

.btn:disabled {
  pointer-events: none;
  opacity: 0.5;
}

.btn svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.btn--primary {
  background-color: var(--primary);
  color: var(--primary-foreground);
}

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

.btn--outline {
  border-color: var(--border);
  background-color: var(--card);
  color: var(--ink);
}

.btn--outline:hover {
  border-color: rgba(169, 101, 16, 0.5);
  background-color: var(--secondary);
  color: var(--primary);
}

.btn--ghost {
  color: var(--foreground);
}

.btn--ghost:hover {
  background-color: var(--secondary);
  color: var(--ink);
}

.btn--sm {
  height: 32px;
  padding-inline: 12px;
  font-size: 12px;
}

.btn--lg {
  height: 40px;
  padding-inline: 24px;
}

.chip {
  display: inline-flex;
  align-items: center;
  height: 20px;
  padding-inline: 8px;
  border-radius: var(--radius);
  background-color: var(--secondary);
  color: var(--muted-foreground);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.06em;
}

.icon-box {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background-color: var(--secondary);
  color: var(--ink);
  transition: border-color var(--duration) ease, color var(--duration) ease;
}

.icon-box svg {
  width: 18px;
  height: 18px;
}

.icon-box--primary {
  border-color: transparent;
  background-color: var(--primary-soft);
  color: var(--primary);
}

.group:hover .icon-box {
  border-color: rgba(169, 101, 16, 0.5);
}

.expand {
  position: relative;
  display: flex;
}

.expand__border {
  position: absolute;
  inset: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background-color: var(--card);
  pointer-events: none;
  transition: inset 0.2s ease-out, border-radius 0.2s ease-out,
    border-color 0.2s ease-out;
}

.expand:hover .expand__border {
  inset: -3px;
  border-radius: 10px;
  border-color: rgba(169, 101, 16, 0.5);
}

.expand__body {
  position: relative;
  z-index: 1;
  display: flex;
  width: 100%;
  flex-direction: column;
  gap: 12px;
  padding: 20px;
  border: 1px solid transparent;
  border-radius: var(--radius-lg);
}