/* Page layout. Mobile first: one column, then 2 and 3 columns as space allows. */

.topbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--gap);
  padding: var(--gap) 1rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.topbar__title {
  font-size: 1.25rem;
}

.topbar__controls {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: var(--gap);
}

.game {
  display: grid;
  gap: 1rem;
  padding: 1rem;
  max-width: 1400px;
  margin: 0 auto;
  grid-template-columns: minmax(0, 1fr);
  grid-template-areas:
    'stats'
    'production'
    'market'
    'generators'
    'upgrades';
}

.panel--stats { grid-area: stats; }
.panel--production { grid-area: production; }
.panel--market { grid-area: market; }
.panel--generators { grid-area: generators; }
.panel--upgrades { grid-area: upgrades; }

/* Tablet */
@media (min-width: 760px) {
  .game {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-areas:
      'stats stats'
      'production market'
      'generators upgrades';
    align-items: start;
  }
}

/* Desktop */
@media (min-width: 1200px) {
  .game {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr) minmax(0, 1.2fr);
    grid-template-areas:
      'stats stats stats'
      'production generators upgrades'
      'market generators upgrades';
  }
}