.friendly-error-page {
  min-height: calc(100vh - 180px);
  display: grid;
  place-items: center;
  padding-top: clamp(3rem, 8vw, 7rem);
  padding-bottom: clamp(4rem, 10vw, 8rem);
}

.friendly-error-card {
  position: relative;
  width: min(100%, 680px);
  overflow: hidden;
  padding: clamp(2rem, 6vw, 4.5rem);
  border: 1px solid rgba(91, 176, 255, .2);
  border-radius: 32px;
  background:
    radial-gradient(circle at 50% 0, rgba(34, 151, 255, .16), transparent 46%),
    rgba(6, 15, 27, .88);
  box-shadow: 0 35px 90px rgba(0, 0, 0, .32);
  text-align: center;
}

.friendly-error-icon {
  width: 76px;
  height: 76px;
  display: grid;
  place-items: center;
  margin: 0 auto 1.6rem;
  border: 1px solid rgba(91, 176, 255, .32);
  border-radius: 24px;
  color: #70c2ff;
  background: rgba(31, 143, 239, .12);
}

.friendly-error-icon svg { width: 34px; fill: currentColor; }
.friendly-error-eyebrow { color: #70c2ff; font-size: .78rem; font-weight: 800; letter-spacing: .18em; }
.friendly-error-card h1 { max-width: 520px; margin: .85rem auto 1rem; color: #f5f9ff; font-size: clamp(2rem, 6vw, 3.35rem); line-height: 1.08; }
.friendly-error-card > p { max-width: 540px; margin: 0 auto; color: #aebed0; font-size: 1.05rem; line-height: 1.75; }

.friendly-error-reference {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: .45rem .8rem;
  margin: 1.7rem auto 0;
  color: #8799ad;
  font-size: .82rem;
}

.friendly-error-reference code { color: #bcdfff; overflow-wrap: anywhere; }
.friendly-error-countdown { display: flex; align-items: center; justify-content: center; gap: .65rem; margin: 2rem 0 1.25rem; color: #aebed0; }
.friendly-error-countdown strong { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 50%; color: #f7fbff; background: #187fcb; font-size: 1.05rem; }

.friendly-error-home {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: .8rem 1.35rem;
  border-radius: 999px;
  color: #fff;
  background: linear-gradient(135deg, #1479c9, #2b9eef);
  font-weight: 750;
  text-decoration: none;
  box-shadow: 0 14px 30px rgba(23, 128, 207, .23);
}

.friendly-error-home:hover { color: #fff; transform: translateY(-1px); }

[data-theme="light"] .friendly-error-card {
  border-color: rgba(21, 108, 176, .18);
  background: radial-gradient(circle at 50% 0, rgba(48, 158, 244, .13), transparent 46%), rgba(255, 255, 255, .96);
  box-shadow: 0 30px 80px rgba(29, 62, 91, .14);
}
[data-theme="light"] .friendly-error-card h1 { color: #12263a; }
[data-theme="light"] .friendly-error-card > p,
[data-theme="light"] .friendly-error-countdown { color: #526579; }

@media (max-width: 520px) {
  .friendly-error-card { border-radius: 24px; }
  .friendly-error-countdown { align-items: flex-start; text-align: left; }
  .friendly-error-countdown strong { flex: 0 0 42px; }
}