*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.45;
  color: var(--ink);
  background: var(--grad-warm);
  min-height: 100dvh;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
button { font: inherit; color: inherit; cursor: pointer; }
input, textarea, select, button {
  font: inherit;
  color: inherit;
}
input, textarea, select {
  width: 100%;
  background: #fff;
  border: 1.5px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  outline: none;
  transition: border-color var(--dur-1) var(--ease), box-shadow var(--dur-1) var(--ease);
}
input:focus, textarea:focus, select:focus {
  border-color: var(--orange);
  box-shadow: 0 0 0 3px rgba(242,106,0,.2);
}
a { color: var(--blue); }

:focus-visible { outline: 3px solid rgba(242,106,0,.4); outline-offset: 2px; border-radius: 6px; }

.app { display: flex; flex-direction: column; min-height: 100dvh; }
.app-main {
  flex: 1;
  padding: 16px max(env(safe-area-inset-left), 16px) 120px max(env(safe-area-inset-right), 16px);
  max-width: 720px;
  margin: 0 auto;
  width: 100%;
}
.screen { display: none; animation: fadeUp var(--dur-3) var(--ease); }
.screen.active { display: block; }
.screen-title {
  font-size: 22px;
  font-weight: 900;
  letter-spacing: -.01em;
  margin: 4px 0 12px;
  color: var(--navy);
}