.auth-body {
  min-height: 100vh;
  background:
    linear-gradient(112deg, rgba(7, 19, 29, 0.98) 0 52%, rgba(238, 246, 242, 0.96) 52%),
    radial-gradient(95% 90% at 0% 0%, rgba(22, 124, 144, 0.22), transparent 48%),
    repeating-linear-gradient(118deg, rgba(255,255,255,0.08) 0 1px, transparent 1px 22px);
  overflow-x: hidden;
}

.auth-body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(100deg, transparent 0 44%, rgba(196, 122, 71, 0.22) 44.2%, transparent 45%),
    repeating-radial-gradient(ellipse at 20% 76%, rgba(255,255,255,0.12) 0 1px, transparent 1px 18px);
  opacity: 0.75;
}

.auth-shell {
  position: relative;
  display: grid;
  grid-template-columns: minmax(280px, 1fr) minmax(320px, 460px);
  gap: clamp(28px, 6vw, 80px);
  align-items: center;
  min-height: 100vh;
  width: min(1120px, calc(100% - 36px));
  margin: 0 auto;
  padding-top: 72px;
}

.auth-hero {
  position: relative;
  display: grid;
  gap: var(--space-3);
  color: #fff;
}

.auth-hero p,
.auth-hero span {
  margin: 0;
  font-weight: 700;
  letter-spacing: 0;
}

.auth-hero h1 {
  max-width: 620px;
  margin: var(--space-2) 0;
  font-size: clamp(2.6rem, 8vw, 5.2rem);
  line-height: 0.96;
  letter-spacing: 0;
}

.auth-crest {
  display: grid;
  place-items: center;
  width: 86px;
  height: 86px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: var(--radius-sm);
  background:
    linear-gradient(145deg, rgba(255,255,255,0.18), rgba(255,255,255,0.06)),
    repeating-linear-gradient(135deg, rgba(255,255,255,0.14) 0 1px, transparent 1px 12px);
  box-shadow: 0 24px 58px rgba(0, 0, 0, 0.22);
}

.auth-crest svg {
  width: 72px;
  height: 72px;
}

.auth-crest path:first-child {
  fill: rgba(255,255,255,0.14);
  stroke: rgba(255,255,255,0.86);
  stroke-width: 4;
}

.auth-crest path:nth-child(2) {
  fill: none;
  stroke: var(--color-copper-500);
  stroke-linecap: round;
  stroke-width: 4;
}

.auth-crest text {
  fill: #fff;
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.auth-card {
  position: relative;
  border: 1px solid rgba(9, 47, 43, 0.16);
  border-radius: var(--radius-md);
  padding: clamp(22px, 4vw, 34px);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.98), rgba(245,249,247,0.95)),
    radial-gradient(120% 100% at 100% 0%, rgba(22,124,144,0.12), transparent 42%),
    repeating-linear-gradient(135deg, rgba(20,114,99,0.045) 0 1px, transparent 1px 16px);
  box-shadow: 0 28px 80px rgba(7, 24, 37, 0.24);
  overflow: hidden;
}

.auth-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 4px;
  background: linear-gradient(90deg, var(--color-green-700), var(--color-cyan-700), var(--color-copper-500));
}

.premium-auth {
  position: relative;
  display: grid;
  gap: var(--space-4);
}

.premium-auth h1 {
  color: var(--color-green-900);
  font-size: clamp(2rem, 5vw, var(--font-size-3xl));
}

.premium-auth form {
  margin: var(--space-2) 0 0;
}

.premium-auth input {
  min-height: 48px;
  border-color: rgba(9, 47, 43, 0.18);
  background: rgba(255,255,255,0.86);
}

.premium-auth button[type="submit"] {
  min-height: 48px;
  width: 100%;
  margin-top: var(--space-2);
  background: linear-gradient(135deg, var(--color-green-700), #083840);
  box-shadow: 0 16px 32px rgba(9, 47, 43, 0.18);
}

.auth-links {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-2);
}

.auth-links .button-secondary {
  width: 100%;
}

.auth-accessibility .btn {
  min-height: 38px;
  background: rgba(255,255,255,0.9);
}

@media (max-width: 820px) {
  .auth-body {
    background:
      linear-gradient(180deg, rgba(7,19,29,0.98) 0 44%, rgba(238,246,242,0.98) 44%),
      repeating-linear-gradient(118deg, rgba(255,255,255,0.08) 0 1px, transparent 1px 22px);
  }

  .auth-shell {
    grid-template-columns: 1fr;
    padding: 110px 0 36px;
  }

  .auth-accessibility {
    position: fixed;
    top: var(--space-3);
    left: var(--space-3);
    right: var(--space-3);
    width: auto;
  }
}