.app-root {
  position: relative;
  min-height: 100vh;
  padding:
    max(env(safe-area-inset-top), var(--space-3))
    max(env(safe-area-inset-right), var(--space-4))
    max(calc(env(safe-area-inset-bottom) + var(--space-4)), var(--space-5))
    max(env(safe-area-inset-left), var(--space-4));
}

.screen {
  width: min(100%, var(--content-width));
  margin: 0 auto;
  padding-block: var(--space-3);
}

.screen-shell {
  position: relative;
  display: grid;
  gap: var(--space-5);
  grid-template-rows: auto 1fr auto;
  min-height: calc(100vh - clamp(1rem, 4vw, 2rem));
  overflow: hidden;
  border: 1px solid rgba(215, 198, 171, 0.76);
  border-radius: var(--radius-xl);
  background: var(--color-surface);
  box-shadow: var(--shadow-panel);
}

.screen-shell::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 10rem;
  pointer-events: none;
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.88), transparent 52%),
    linear-gradient(180deg, rgba(255, 240, 212, 0.9) 0%, rgba(255, 255, 255, 0) 100%);
}

.screen[data-tone="adult"] .screen-shell::before {
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.8), transparent 52%),
    linear-gradient(180deg, rgba(220, 236, 244, 0.74) 0%, rgba(255, 255, 255, 0) 100%);
}

.screen[data-tone="positive"] .screen-shell::before {
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.9), transparent 52%),
    linear-gradient(180deg, rgba(223, 240, 229, 0.9) 0%, rgba(255, 255, 255, 0) 100%);
}

.screen[data-tone="play"] .screen-shell::before {
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.92), transparent 52%),
    linear-gradient(180deg, rgba(255, 240, 212, 0.86) 0%, rgba(220, 236, 244, 0.22) 100%);
}

.screen[data-tone="welcome"] .screen-shell::before {
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.94), transparent 52%),
    linear-gradient(180deg, rgba(255, 240, 212, 0.9) 0%, rgba(230, 238, 244, 0.28) 100%);
}

.screen-shell__header,
.screen-shell__body,
.screen-shell__footer {
  position: relative;
  z-index: 1;
}

.screen-shell__header {
  padding: var(--space-5) var(--space-4) var(--space-4);
}

.screen-shell__topbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.screen-shell__headline {
  display: grid;
  gap: var(--space-3);
  max-width: var(--content-narrow);
}

.screen-shell__body {
  align-content: start;
  padding: 0 var(--space-4) var(--space-4);
}

.screen-shell__feedback {
  display: grid;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.screen-shell__body--spacious {
  align-content: center;
  padding-bottom: var(--space-5);
}

.screen-shell__footer {
  padding: var(--space-4);
  border-top: 1px solid rgba(231, 220, 200, 0.88);
  background: rgba(255, 249, 241, 0.86);
}

.screen-actions,
.button-row,
.stats-row,
.toggle-list,
.phase-grid,
.mini-columns,
.game-meta-grid {
  display: grid;
  gap: var(--space-3);
}

.hero-banner {
  display: grid;
  gap: var(--space-5);
  align-items: center;
}

.hero-copy {
  display: grid;
  gap: var(--space-4);
}

.hero-illustration {
  display: grid;
  justify-items: center;
  align-content: center;
  gap: var(--space-3);
  min-height: 15rem;
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.86), transparent 40%),
    linear-gradient(180deg, rgba(255, 240, 212, 0.75) 0%, rgba(220, 236, 244, 0.55) 100%);
  border: 1px solid rgba(215, 198, 171, 0.72);
  box-shadow: var(--shadow-card);
}

.screen-actions {
  grid-template-columns: 1fr;
}

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

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

.phase-grid,
.toggle-list,
.mini-columns,
.game-meta-grid {
  grid-template-columns: 1fr;
}

.modal-host {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 40;
}

.splash-stage {
  min-height: 18rem;
}

@media (min-width: 720px) {
  .screen {
    padding-block: var(--space-4);
  }

  .hero-banner {
    grid-template-columns: 1.2fr 0.8fr;
  }

  .screen-shell__header {
    padding: var(--space-6) var(--space-5) var(--space-4);
  }

  .screen-shell__body {
    padding: 0 var(--space-5) var(--space-5);
  }

  .screen-shell__footer {
    padding: var(--space-4) var(--space-5) var(--space-5);
  }

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

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

  .game-meta-grid,
  .toggle-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .screen-actions {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  }
}