CSS LAYOUT
==========

START WITH THE BOX MODEL
------------------------
This makes declared dimensions include padding and border.

*, *::before, *::after {
  box-sizing: border-box;
}

FLEXBOX OR GRID?
----------------
Use Flexbox for a one-dimensional row or column.
Use Grid when rows and columns need to align together.

.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr));
  gap: 1rem;
}

RESPONSIVE HABITS
-----------------
- Start with a layout that works at narrow viewport widths.
- Prefer max-width for readable text and fluid widths for containers.
- Use rem for spacing and clamp() for smoothly scaling type.
- Let content wrap; avoid fixed heights for text-heavy cards.

INTERACTION STATES
------------------
Keep visible keyboard focus and do not communicate state with color alone.

:focus-visible {
  outline: 3px solid currentColor;
  outline-offset: 3px;
}