/* ============================================================================
 * BASE — Body, layout général
 * ============================================================================ */

/* ═══════════════════════════════════════════════════════════════
 * BASE
 * ═══════════════════════════════════════════════════════════════ */
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  line-height: 1.4;
  background: var(--page-bg);
  background-attachment: fixed;
  color: var(--text);
  padding-top: calc(var(--safe-top) + 30px);
  padding-bottom: calc(var(--bottom-nav-h) + var(--safe-bottom) + 24px);
  overscroll-behavior: none;
}

.app {
  width: 100%;
  max-width: var(--app-max);
  margin: 0 auto;
  padding: 0 var(--app-padding-x);
}

/* Demo banner */
.demo-banner {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 400;
  padding: calc(var(--safe-top) + 4px) 12px 4px;
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.95), rgba(180, 83, 9, 0.95));
  color: #fff;
  font-size: 0.7rem;
  font-weight: 800;
  text-align: center;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.page { display: none; flex-direction: column; gap: 16px; }
.page.active {
  display: flex;
  animation: page-enter var(--duration-page) var(--ease-out);
}
@keyframes page-enter {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}