:root {
  color-scheme: dark;
  --background: #07070a;
  --panel: #17171b;
  --panel-soft: #1e1e24;
  --text: #ffffff;
  --muted: #b9bdc8;
  --subtle: #777b86;
  --red: #ff373d;
  --red-dark: #7d171b;
  --line: rgba(255, 55, 61, 0.32);
  --white-soft: #f5f5f5;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 50% 28%, rgba(255, 55, 61, 0.2), transparent 24rem),
    var(--background);
  color: var(--text);
}

.age-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 32px 18px;
}

.age-panel {
  width: min(100%, 560px);
  text-align: center;
}

.icon-shell {
  width: 114px;
  height: 114px;
  display: grid;
  place-items: center;
  margin: 0 auto 34px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 34px;
  background: linear-gradient(145deg, #202126, #16171b);
  box-shadow: 0 0 58px rgba(255, 55, 61, 0.24);
}

.icon-shell img {
  width: 58px;
  height: 58px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--red);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(2.4rem, 7vw, 4.2rem);
  line-height: 0.94;
  font-weight: 950;
  text-transform: uppercase;
}

.intro {
  width: min(100%, 520px);
  margin: 24px auto 34px;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.55;
}

.notice {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  text-align: left;
  margin: 0 auto 32px;
  padding: 26px 30px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 28px;
  background: rgba(28, 28, 32, 0.88);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

.notice img {
  width: 36px;
  height: 36px;
  flex: 0 0 auto;
  padding: 8px;
  border-radius: 9px;
  background: rgba(255, 55, 61, 0.12);
}

.notice h2 {
  margin: 0 0 8px;
  font-size: 0.92rem;
  line-height: 1.2;
  text-transform: uppercase;
}

.notice p {
  margin: 0;
  color: var(--subtle);
  line-height: 1.5;
}

.actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

button {
  min-height: 54px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 0;
  border-radius: 14px;
  font: inherit;
  font-size: 0.82rem;
  font-weight: 900;
  text-transform: uppercase;
  cursor: pointer;
  transition: border-color 160ms ease, background 160ms ease, box-shadow 160ms ease;
}

button img {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
}

button:focus-visible {
  outline: 3px solid rgba(255, 55, 61, 0.55);
  outline-offset: 3px;
}

.primary-action {
  color: #0b0b0d;
  background: var(--white-soft);
}

.primary-action:hover {
  background: #ffffff;
  box-shadow: 0 0 24px rgba(255, 255, 255, 0.16);
}

.secondary-action {
  color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: var(--panel);
}

.secondary-action:hover {
  border-color: rgba(255, 255, 255, 0.24);
  background: var(--panel-soft);
  box-shadow: 0 0 24px rgba(255, 55, 61, 0.12);
}

@media (max-width: 620px) {
  .icon-shell {
    width: 96px;
    height: 96px;
    border-radius: 28px;
    margin-bottom: 28px;
  }

  .notice {
    padding: 22px;
    border-radius: 22px;
  }

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