/* Page layout. Mobile first: one column, a burger menu; then tabs and more columns as space allows. */

/* --------------------------------------------------------------- top bar */

.topbar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas:
    'title toggle'
    'menu  menu';
  align-items: center;
  gap: var(--gap);
  padding: var(--gap) 1rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.topbar__title {
  grid-area: title;
  font-size: 1.25rem;
  overflow-wrap: anywhere;
}

.menu-toggle {
  grid-area: toggle;
}

/* Phones: the menu is a drop-down opened by the burger button. */
.menu {
  grid-area: menu;
  display: none;
  flex-direction: column;
  gap: var(--gap);
}

.menu[data-open] {
  display: flex;
}

.tabs {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.menu__controls {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: var(--gap);
  padding-top: var(--gap);
  border-top: 1px solid var(--border);
}

/* Tablet and desktop: the tabs form a bar under the title, the controls sit on the right. */
@media (min-width: 760px) {
  .topbar {
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas:
      'title controls'
      'tabs  tabs';
    row-gap: 0.5rem;
  }

  /* More specific than .btn (components.css loads later) so the burger really disappears. */
  .topbar .menu-toggle {
    display: none;
  }

  /* The nav's children join the top bar grid directly. */
  .menu,
  .menu[data-open] {
    display: contents;
  }

  .tabs {
    grid-area: tabs;
    flex-direction: row;
    flex-wrap: wrap;
  }

  .menu__controls {
    grid-area: controls;
    padding-top: 0;
    border-top: 0;
  }
}

/* -------------------------------------------------------- resource bar */

.resourcebar {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  gap: var(--gap);
  padding: 0.4rem 1rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 6px rgb(0 0 0 / 0.12);
}

/* ----------------------------------------------------------------- views */

.views {
  max-width: 1400px;
  margin: 0 auto;
}

/* The production section is a named grid, the others a simple responsive one. */
.game {
  display: grid;
  gap: 1rem;
  padding: 1rem;
  grid-template-columns: minmax(0, 1fr);
  grid-template-areas:
    'stats'
    'production'
    'market'
    'generators'
    'upgrades';
}

.view {
  display: grid;
  gap: 1rem;
  padding: 1rem;
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
}

.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;
  }

  .view {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .panel--wide {
    grid-column: 1 / -1;
  }
}

/* Desktop */
@media (min-width: 1200px) {
  .game {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr) minmax(0, 1.2fr);
    grid-template-rows: auto auto 1fr; /* spare height goes below the left column, not between its panels */
    grid-template-areas:
      'stats stats stats'
      'production generators upgrades'
      'market generators upgrades';
  }

  .view {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}