/* Page frame: container, header, nav, footer, sections, grids. */

.gtf-container {
  max-width: var(--gtf-container);
  margin: 0 auto;
  padding: 0 var(--gtf-gutter) var(--gtf-section-gap);
}

/* Header */
.gtf-header {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px 24px;
  padding: 22px 0;
}

.gtf-logo {
  display: flex;
  align-items: center;
  gap: 12px;

  body.gtf & {
    color: var(--gtf-cream);
  }
}

.gtf-logo__mark {
  flex: none;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(3, 1fr);
  width: 40px;
  height: 40px;
  padding: 7px;
  border-radius: var(--gtf-radius-tile);
  background: var(--gtf-yellow);
}

.gtf-logo__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--gtf-ink);

  &:nth-child(1) { grid-column: 1; grid-row: 1; }
  &:nth-child(2) { grid-column: 2; grid-row: 2; }
  &:nth-child(3) { grid-column: 3; grid-row: 3; }
}

.gtf-logo__name {
  font-weight: 800;
  font-size: 19px;
  letter-spacing: -0.02em;
}

.gtf-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  margin-left: auto;
  font-size: 15px;
  font-weight: 600;
}

.gtf-nav__link {
  padding-bottom: 3px;
  border-bottom: 2px solid transparent;

  body.gtf & {
    color: var(--gtf-text-2);
  }

  body.gtf &:hover {
    color: var(--gtf-cream);
  }

  body.gtf &[aria-current="page"] {
    color: var(--gtf-cream);
    border-bottom-color: var(--gtf-yellow);
  }
}

.gtf-header__actions {
  display: flex;
  align-items: center;
  gap: 12px;

  & form {
    margin: 0;
  }
}

.gtf-header__back {
  margin-left: auto;
  font-size: 15px;
  font-weight: 600;

  body.gtf & {
    color: var(--gtf-text-2);
  }

  body.gtf &:hover {
    color: var(--gtf-cream);
  }
}

@media (max-width: 520px) {
  .gtf-header .gtf-nav {
    order: 3;
    width: 100%;
    margin-left: 0;
  }

  .gtf-header__actions {
    margin-left: auto;
  }
}

/* Footer */
.gtf-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 20px;
  padding: 40px 0 0;
  font-family: var(--gtf-mono);
  font-size: 13px;
  color: var(--gtf-text-3);

  & a {
    body.gtf & {
      color: var(--gtf-text-3);
    }

    body.gtf &:hover {
      color: var(--gtf-cream);
    }
  }
}

.gtf-footer__tagline {
  margin-left: auto;
}

/* Sections */
.gtf-section {
  margin: 0 0 var(--gtf-section-gap);
}

.gtf-section--panel {
  border-radius: var(--gtf-radius-card);
  padding: clamp(28px, 4vw, 52px);
}

.gtf-section--yellow { background: var(--gtf-yellow); color: var(--gtf-ink); }
.gtf-section--teal { background: var(--gtf-teal); color: var(--gtf-ink); }
.gtf-section--pink { background: var(--gtf-pink); color: var(--gtf-ink); }
.gtf-section--yellow,
.gtf-section--teal,
.gtf-section--pink {
  body.gtf & a:not(.gtf-btn) {
    color: var(--gtf-ink);
    text-decoration: underline;
  }
}

/* Grids */
.gtf-grid {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(min(var(--min, 280px), 100%), 1fr));
}

.gtf-split {
  display: grid;
  gap: 48px;
  align-items: center;
  grid-template-columns: repeat(auto-fit, minmax(min(320px, 100%), 1fr));
}

.gtf-stack {
  display: flex;
  flex-direction: column;
  gap: var(--gap, 16px);
}

.gtf-row-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 14px;

  & form {
    margin: 0;
  }
}

/* Page heading block used by app pages (dashboard, host a game, setup) */
.gtf-page-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px 24px;
  margin: 8px 0 36px;
}

.gtf-back-link {
  display: inline-block;
  margin: 8px 0 12px;
  font-size: 15px;
  font-weight: 600;

  body.gtf & {
    color: var(--gtf-text-2);
  }

  body.gtf &:hover {
    color: var(--gtf-cream);
  }
}