/* ============================================================
   Auth screens — Login / Register / Email verification
   Centered card on tinted background.
   ============================================================ */

.auth-shell {
  min-height: 100vh;
  background: var(--color-surface-page);
  background-image:
    radial-gradient(circle at 18% 20%, rgba(99,102,241,0.10), transparent 45%),
    radial-gradient(circle at 82% 80%, rgba(99,102,241,0.06), transparent 45%);
  display: flex;
  flex-direction: column;
}

.auth-top {
  padding: var(--space-6) var(--space-6) 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-3);
}
.auth-top-link { font-size: var(--fs-body-sm); color: var(--color-text-muted); }
.auth-top-link a { color: var(--color-text-heading); font-weight: 500; margin-left: 4px; }

.auth-main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-8) var(--space-4) var(--space-10);
}

.auth-stack { width: 100%; max-width: 420px; display: flex; flex-direction: column; align-items: center; gap: var(--space-6); }

.auth-brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 22px;
  letter-spacing: -0.02em;
  color: var(--color-text-heading);
  text-decoration: none;
}
.auth-brand .pm { color: var(--color-primary); }

.auth-card {
  width: 100%;
  background: var(--color-surface-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  box-shadow: 0 1px 2px rgba(17,24,39,0.04), 0 20px 40px -20px rgba(17,24,39,0.12);
}
@media (max-width: 480px) {
  .auth-card { padding: var(--space-6); border-radius: var(--radius-xl); }
}

.auth-header { margin-bottom: var(--space-6); text-align: center; }
.auth-title {
  font-family: var(--font-sans); font-size: 24px; font-weight: 600;
  letter-spacing: -0.015em; color: var(--color-text-heading);
  margin: 0 0 var(--space-2);
}
.auth-sub { font-size: var(--fs-body-sm); color: var(--color-text-muted); margin: 0; }

.auth-form { display: flex; flex-direction: column; gap: var(--space-4); }
.auth-row  { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); }

/* SSO divider */
.auth-divider {
  display: flex; align-items: center; gap: var(--space-3);
  color: var(--color-text-muted);
  font-size: var(--fs-caption);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin: var(--space-2) 0;
}
.auth-divider::before, .auth-divider::after {
  content: ""; flex: 1; height: 1px; background: var(--color-border);
}

/* SSO buttons */
.auth-sso { display: flex; flex-direction: column; gap: var(--space-2); }

/* Foot link */
.auth-foot {
  text-align: center;
  font-size: var(--fs-body-sm);
  color: var(--color-text-muted);
}
.auth-foot a { color: var(--color-primary); font-weight: 500; }
.auth-foot a:hover { color: var(--color-primary-hover); }

.auth-terms { font-size: var(--fs-caption); color: var(--color-text-muted); text-align: center; line-height: 1.5; max-width: 340px; margin: 0 auto; }
.auth-terms a { color: var(--color-text-heading); }

/* ── Password strength meter ─────────────────────── */
.pw-strength {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: 4px;
}
.pw-strength-bars { display: flex; gap: 4px; flex: 1; }
.pw-strength-bar {
  height: 4px;
  flex: 1;
  border-radius: 2px;
  background: var(--color-border);
  transition: background var(--motion-fast);
}
.pw-strength.is-1 .pw-strength-bar:nth-child(1) { background: var(--color-error-strong); }
.pw-strength.is-2 .pw-strength-bar:nth-child(-n+2) { background: #F59E0B; }
.pw-strength.is-3 .pw-strength-bar:nth-child(-n+3) { background: #FACC15; }
.pw-strength.is-4 .pw-strength-bar { background: var(--color-success-text); }

.pw-strength-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  min-width: 56px;
  text-align: right;
}
.pw-strength.is-1 .pw-strength-label { color: var(--color-error-text); }
.pw-strength.is-2 .pw-strength-label { color: #B45309; }
.pw-strength.is-3 .pw-strength-label { color: #B45309; }
.pw-strength.is-4 .pw-strength-label { color: var(--color-success-text); }

/* Requirements list (register) */
.pw-reqs { display: grid; grid-template-columns: 1fr 1fr; gap: 4px 12px; margin-top: var(--space-2); }
.pw-req {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: var(--fs-caption);
  color: var(--color-text-muted);
  transition: color var(--motion-fast);
}
.pw-req svg { color: var(--color-text-disabled); transition: color var(--motion-fast); }
.pw-req.is-met { color: var(--color-success-text); }
.pw-req.is-met svg { color: var(--color-success-text); }

/* ── Email verification visual ───────────────────── */
.verify-art {
  width: 88px; height: 88px;
  border-radius: 50%;
  background: var(--color-primary-subtle);
  color: var(--color-primary);
  display: inline-flex; align-items: center; justify-content: center;
  margin: 0 auto var(--space-5);
  position: relative;
}
.verify-art svg { width: 36px; height: 36px; }
.verify-art::before {
  content: ""; position: absolute; inset: -10px;
  border-radius: 50%; border: 1px dashed rgba(99,102,241,0.35);
  animation: verify-pulse 3s ease-in-out infinite;
}
.verify-art::after {
  content: ""; position: absolute; inset: -22px;
  border-radius: 50%; border: 1px dashed rgba(99,102,241,0.18);
  animation: verify-pulse 3s ease-in-out infinite;
  animation-delay: 0.5s;
}
@keyframes verify-pulse {
  0%, 100% { opacity: 0.7; transform: scale(1); }
  50%      { opacity: 0.3; transform: scale(1.05); }
}

.verify-email-pill {
  display: inline-flex; align-items: center; gap: var(--space-2);
  font-family: var(--font-mono); font-size: var(--fs-body-sm);
  color: var(--color-text-heading);
  background: var(--color-surface-raised);
  padding: 8px 14px;
  border-radius: var(--radius-full);
  margin: var(--space-2) 0 var(--space-4);
}
.verify-email-pill svg { color: var(--color-primary); }

.verify-steps {
  list-style: none; padding: 0; margin: var(--space-5) 0 0;
  display: flex; flex-direction: column; gap: var(--space-3);
  text-align: left;
}
.verify-steps li {
  display: flex; gap: var(--space-3);
  font-size: var(--fs-body-sm); color: var(--color-text-body); line-height: 1.5;
}
.verify-steps li .step-num {
  flex-shrink: 0;
  width: 22px; height: 22px;
  background: var(--color-primary-subtle); color: var(--color-primary);
  border-radius: 50%;
  font-family: var(--font-mono); font-size: 11px; font-weight: 600;
  display: inline-flex; align-items: center; justify-content: center;
  margin-top: 1px;
}

/* Resend timer */
.resend-row {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: var(--fs-body-sm); color: var(--color-text-muted);
}
.resend-row b { color: var(--color-text-heading); font-weight: 500; }