/* Shared button styles */
.cp-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 12px;
  border: 1px solid var(--cp-color-border-subtle);
  background: var(--cp-color-surface);
  color: var(--cp-color-text-primary);
  font-family: var(--cp-font-body);
  font-size: var(--cp-size-label);
  font-weight: 600;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease, filter 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.cp-btn--md {
  min-height: 40px;
  padding: 10px 16px;
}

.cp-btn--sm {
  min-height: 30px;
  padding: 6px 12px;
  font-size: var(--cp-size-secondary);
}

.cp-btn--primary {
  background: var(--cp-color-accent);
  border-color: var(--cp-color-accent);
  color: #fff;
}

.cp-btn--secondary {
  background: var(--cp-color-surface);
  border-color: var(--cp-color-border-subtle);
  color: var(--cp-color-text-primary);
}

.cp-btn--ghost {
  background: var(--cp-color-surface);
  border-color: var(--cp-color-border-subtle);
  color: var(--cp-color-text-primary);
}

.cp-btn--danger {
  background: var(--cp-color-status-off-track-subtle);
  border-color: var(--cp-color-status-off-track);
  color: var(--cp-color-status-off-track);
}

.cp-btn--link {
  border-color: transparent;
  background: transparent;
  color: var(--cp-color-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.cp-btn:not(:disabled):hover {
  background: var(--cp-color-surface-subtle);
  border-color: var(--cp-color-border-strong);
  transform: translateY(-1px);
  box-shadow: 0 6px 14px rgba(15, 23, 42, 0.08);
}

.cp-btn--primary:not(:disabled):hover {
  background: #345f7c;
  border-color: #345f7c;
  color: #fff;
  filter: none;
}

.cp-btn--secondary:not(:disabled):hover,
.cp-btn--ghost:not(:disabled):hover {
  background: var(--cp-color-accent-subtle);
  border-color: var(--cp-color-border-strong);
}

.cp-btn--danger:not(:disabled):hover {
  filter: brightness(0.97);
}

.cp-btn--link:not(:disabled):hover {
  background: transparent;
  color: var(--cp-color-text-primary);
}

.cp-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Icon-only button: square, compact, no horizontal text padding */
.cp-btn--icon {
  padding: 0;
  width: 28px;
  min-height: 28px;
  flex-shrink: 0;
  border-radius: 8px;
  font-size: 1rem;
  line-height: 1;
}

.cp-btn--icon.cp-btn--sm {
  width: 28px;
  min-height: 28px;
  padding: 0;
}