.auth-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 48px clamp(20px, 5vw, 64px);
  background:
    radial-gradient(1200px 520px at 10% -10%, rgba(232, 69, 60, 0.14), transparent 62%),
    radial-gradient(900px 480px at 95% 110%, rgba(52, 196, 139, 0.07), transparent 62%),
    var(--bg-soft);
}

.auth-brand {
  position: relative;
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 26px;
}

.auth-hero {
  max-width: none;
  margin: 0;
  padding: 0;
}

.auth-logo {
  display: block;
  width: min(240px, 55%);
  height: auto;
  border-radius: 14px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-md);
  margin-bottom: 22px;
}

.auth-kicker {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 11px;
  margin-bottom: 18px;
  background: var(--surface);
}

.auth-kicker .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--success);
}

.auth-title {
  font-size: clamp(34px, 5vw, 54px);
  line-height: 1.06;
  letter-spacing: -0.035em;
  margin-bottom: 14px;
  max-width: 920px;
}

.auth-lead {
  max-width: 780px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.65;
}

.auth-features {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  max-width: none;
}

.auth-features li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.auth-features li:last-child {
  border-bottom: 1px solid var(--line);
}

.auth-features .fi {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 9px;
  background: var(--surface-2);
  border: 1px solid var(--line);
  color: var(--accent);
  flex: none;
}

.auth-features .fi svg {
  width: 15px;
  height: 15px;
}

.auth-features b {
  display: block;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 2px;
}

.auth-features span {
  font-size: 12.5px;
  color: var(--muted);
  line-height: 1.5;
}

.auth-meta {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted-2);
  font-size: 11.5px;
}

.auth-meta .sep {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--line);
}

.auth-pane {
  display: grid;
  place-items: center;
  padding: 40px 32px;
  background: var(--bg);
}

.auth-card {
  width: 100%;
  max-width: 396px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-md);
}

.auth-card-head {
  margin-bottom: 20px;
}

.auth-card-head h2 {
  font-size: 20px;
  margin-bottom: 6px;
}

.auth-card-head p {
  color: var(--muted);
  font-size: 13px;
}

.auth-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3px;
  padding: 3px;
  border-radius: 10px;
  background: var(--bg-soft);
  border: 1px solid var(--line-soft);
  margin-bottom: 20px;
}

.auth-tab {
  height: 34px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  font-size: 13px;
  font-weight: 550;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}

.auth-tab:hover {
  color: var(--text);
}

.auth-tab.active {
  background: var(--surface-3);
  color: var(--text);
  box-shadow: var(--shadow-sm);
}

.auth-submit {
  margin-top: 6px;
}

.auth-legal {
  margin-top: 14px;
  color: var(--muted-2);
  font-size: 11px;
  text-align: center;
  line-height: 1.5;
}

/* ── Shell ──────────────────────────────────────────────────────────────── */