/* ================================================================
   button.css — Komponent przycisków
   Ładowany przez: wszystkie strony (przez header.php)
   ================================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  text-decoration: none;
  font-family: inherit;
  line-height: 1;
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-white);
}
.btn--primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(29,78,216,.3);
}

.btn--outline {
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
}
.btn--outline:hover {
  background: var(--color-primary-xlight);
}

.btn--ghost {
  background: transparent;
  color: var(--color-ink-mid);
  border: 1.5px solid var(--color-border);
}
.btn--ghost:hover {
  background: var(--color-surface);
  border-color: var(--color-ink-muted);
}

.btn--sm   { padding: 6px 14px; font-size: 13px; }
.btn--lg   { padding: 14px 28px; font-size: 16px; border-radius: 10px; }
.btn--full { width: 100%; justify-content: center; }

.btn:disabled,
.btn--disabled {
  opacity: .5;
  pointer-events: none;
}