body.auth-body {
  background:
    radial-gradient(circle at 18% 10%, rgba(32, 214, 210, 0.16), transparent 24rem),
    radial-gradient(circle at 90% 70%, rgba(232, 189, 88, 0.12), transparent 20rem),
    #07090d;
}

.auth-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
}

.auth-side {
  padding: 34px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-right: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.025);
}

.auth-promise {
  max-width: 520px;
}

.auth-promise h1 {
  font-size: clamp(38px, 5vw, 64px);
}

.auth-promise p {
  color: #c6d1dc;
  line-height: 1.7;
}

.auth-highlights {
  display: grid;
  gap: 12px;
  margin-top: 28px;
}

.auth-highlight {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  color: var(--muted);
}

.auth-highlight strong { color: var(--text); display: block; margin-bottom: 4px; }

.auth-main {
  display: grid;
  place-items: center;
  padding: 34px 18px;
}

.auth-card {
  width: min(760px, 100%);
  border: 1px solid var(--line);
  background: rgba(13, 18, 25, 0.92);
  border-radius: 8px;
  padding: clamp(22px, 4vw, 34px);
  box-shadow: var(--shadow);
}

.auth-card.narrow { max-width: 480px; }

.auth-card h2 {
  margin: 0 0 8px;
  font-size: 30px;
}

.auth-card > p {
  margin: 0 0 24px;
  color: var(--muted);
  line-height: 1.6;
}

.steps {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 24px;
}

.step {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted);
  border-radius: 8px;
  padding: 10px 8px;
  font-size: 12px;
  text-align: center;
}

.step.active {
  border-color: rgba(32, 214, 210, 0.6);
  color: var(--cyan-2);
  background: rgba(32, 214, 210, 0.08);
}

.form-step { display: none; }
.form-step.active { display: block; }

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.field { display: grid; gap: 7px; }
.field.full { grid-column: 1 / -1; }

label {
  font-size: 13px;
  color: #c7d3df;
  font-weight: 700;
}

input,
select,
textarea {
  width: 100%;
  min-height: 46px;
  border: 1px solid var(--line);
  background: #090f15;
  color: var(--text);
  border-radius: 8px;
  padding: 0 12px;
  font: inherit;
}

textarea {
  min-height: 92px;
  padding: 12px;
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  outline: 2px solid rgba(32, 214, 210, 0.35);
  border-color: rgba(32, 214, 210, 0.55);
}

.check-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: var(--muted);
  line-height: 1.5;
}

.check-row input {
  width: 18px;
  min-height: 18px;
  margin-top: 2px;
}

.form-actions {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 24px;
}

.message {
  margin-top: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  color: var(--muted);
  display: none;
}

.message.show { display: block; }
.message.error { border-color: rgba(255, 109, 109, 0.45); color: #ffc5c5; }
.message.ok { border-color: rgba(92, 242, 168, 0.38); color: #bfffdc; }

.auth-switch {
  margin-top: 18px;
  text-align: center;
  color: var(--muted);
}

.auth-switch a { color: var(--cyan-2); font-weight: 800; }

@media (max-width: 980px) {
  .auth-shell { grid-template-columns: 1fr; }
  .auth-side { border-right: 0; border-bottom: 1px solid var(--line); gap: 28px; }
}

@media (max-width: 620px) {
  .auth-side { padding: 22px 14px; }
  .auth-main { padding: 18px 10px; }
  .form-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .form-actions { flex-direction: column; }
  .form-actions .button { width: 100%; }
}