:root {
  --bg-top: #fff7e6;
  --bg-bottom: #e6f2ff;
  --text: #0b0b0b;
}

html, body {
  height: 100%;
  margin: 0;
}

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.split {
  flex: 1 1 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}

.top { background: var(--bg-top); }
.bottom { background: var(--bg-bottom); }

.block-btn {
  text-decoration: none;
  color: var(--text);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  -webkit-tap-highlight-color: transparent;
}

.icon { font-size: 56px; margin-bottom: 12px; }
.label { font-size: 18px; font-weight: 700; text-align: center; padding: 0 16px; }

.block-btn:active, .block-btn.pressed { opacity: 0.85; transform: scale(0.997); }

@media (min-width:420px) {
  .icon { font-size: 72px; }
  .label { font-size: 22px; }
}