/* Layout principale */

body {
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  color: var(--c-text);
  background: var(--c-bg);
}

#app {
  min-height: 100vh;
}

/* Boot screen */
.boot {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--sp-4);
  color: var(--c-text-muted);
}
.boot__logo img {
  width: 48px;
  height: 48px;
}

/* Shell */
.shell {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  grid-template-rows: var(--topbar-h) 1fr;
  grid-template-areas:
    "topbar topbar"
    "sidebar main";
  min-height: 100vh;
}

.shell.is-collapsed {
  grid-template-columns: var(--sidebar-w-collapsed) 1fr;
}

.shell__topbar {
  grid-area: topbar;
  position: sticky;
  top: 0;
  z-index: 20;
}

.shell__sidebar {
  grid-area: sidebar;
  position: sticky;
  top: var(--topbar-h);
  height: calc(100vh - var(--topbar-h));
  overflow-y: auto;
}

.shell__main {
  grid-area: main;
  padding: var(--sp-5);
  min-width: 0;
}

/* Tablet: sidebar a icone */
@media (max-width: 1199px) and (min-width: 768px) {
  .shell {
    grid-template-columns: var(--sidebar-w-collapsed) 1fr;
  }
}

/* Mobile: sidebar a scomparsa */
@media (max-width: 767px) {
  .shell {
    grid-template-columns: 1fr;
    grid-template-areas:
      "topbar"
      "main";
  }
  .shell__sidebar {
    display: none;
  }
  .shell__main {
    padding: var(--sp-4);
  }
}

/* Utility layout */
.row {
  display: flex;
  gap: var(--sp-3);
  align-items: center;
}
.row--between {
  justify-content: space-between;
}
.row--wrap {
  flex-wrap: wrap;
}

.stack {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.grid {
  display: grid;
  gap: var(--sp-4);
}
.grid--cards {
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
}

.spacer {
  flex: 1;
}

.hidden {
  display: none !important;
}