/* ============================================================
   Auth Pages – glass card with gradient glow
   ============================================================ */

.auth-shell, .auth-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 20px;
  background: radial-gradient(circle at 10% 20%, rgba(42,109,244,0.12) 0%, transparent 45%),
              radial-gradient(circle at 90% 80%, rgba(15,175,122,0.10) 0%, transparent 45%),
              var(--bg);
  position: relative;
  overflow: hidden;
}
.auth-shell::before, .auth-page::before {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(42,109,244,0.08) 0%, transparent 70%);
  top: -200px;
  right: -200px;
  pointer-events: none;
}
.auth-shell::after, .auth-page::after {
  content: '';
  position: absolute;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(15,175,122,0.06) 0%, transparent 70%);
  bottom: -150px;
  left: -150px;
  pointer-events: none;
}

.auth-card, .auth-box {
  width: min(440px, 100%);
  position: relative;
  z-index: 2;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 28px;
  padding: 32px 28px;
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition);
}
.auth-card:hover, .auth-box:hover { transform: translateY(-2px); }
.auth-card::before, .auth-box::before {
  content: '';
  position: absolute;
  left: 24px;
  right: 24px;
  top: 0;
  height: 3px;
  border-radius: 0 0 6px 6px;
  background: linear-gradient(90deg, var(--primary), var(--success));
}
.auth-card .brand, .auth-brand {
  font-size: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.tagline, .auth-sub {
  color: var(--muted);
  margin: 4px 0 20px;
  font-size: 14px;
}
.auth-card .switch-link, .switch-link {
  text-align: center;
  color: var(--muted);
  font-size: 13px;
  margin-top: 20px;
}
.auth-card .switch-link a { font-weight: 700; }
.auth-card .btn-primary, .auth-box .btn-primary {
  height: 48px;
  font-size: 15px;
  margin-top: 12px;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
}

/* Responsive auth */
@media (max-width: 520px) {
  .auth-shell, .auth-page { padding: 12px; }
  .auth-card, .auth-box {
    padding: 24px 18px;
    border-radius: 22px;
  }
  .auth-card::before, .auth-box::before { left: 16px; right: 16px; }
}