/* ═══════════════════════════════════════════════════════════════
   Auth Pages — Login & MFA
   ═══════════════════════════════════════════════════════════════ */

.auth-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 1.5rem;
  position: relative;
  z-index: 1;
}

.auth-card {
  width: 100%;
  max-width: 420px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  box-shadow: var(--shadow-lg), 0 0 60px rgba(79,172,254,0.06);
  animation: slideInDown 0.5s cubic-bezier(0.34,1.3,0.64,1);
}

.auth-logo {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  margin-bottom: 2rem;
}

.auth-logo-icon {
  width: 48px;
  height: 48px;
  background: var(--accent-grad);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  box-shadow: 0 8px 24px rgba(79,172,254,0.35);
  flex-shrink: 0;
}

.auth-logo-text h1 {
  font-size: 1.15rem;
  font-weight: 800;
  background: var(--accent-grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.2;
}

.auth-logo-text span {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 400;
}

.auth-title {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 0.35rem;
  color: var(--text-primary);
}

.auth-subtitle {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  line-height: 1.5;
}

.input-wrapper {
  position: relative;
}

.input-prefix {
  position: absolute;
  left: 0.9rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1rem;
  pointer-events: none;
  opacity: 0.5;
}

.input-with-prefix {
  padding-left: 2.5rem;
}

.input-suffix-btn {
  position: absolute;
  right: 0.5rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  border-radius: 6px;
  font-size: 1rem;
  transition: 0.2s;
}
.input-suffix-btn:hover { color: var(--text-primary); background: rgba(255,255,255,0.08); }

.auth-error {
  background: rgba(239,68,68,0.12);
  border: 1px solid rgba(239,68,68,0.3);
  color: #fca5a5;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  margin-bottom: 1rem;
  display: none;
  animation: fadeIn 0.3s ease;
}

.auth-error.visible { display: block; }

/* MFA OTP Input */
.otp-group {
  display: flex;
  gap: 0.6rem;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.otp-digit {
  width: 52px;
  height: 60px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 1.6rem;
  font-weight: 700;
  text-align: center;
  transition: all 0.2s;
  outline: none;
  caret-color: var(--accent);
}

.otp-digit:focus {
  border-color: var(--accent);
  background: rgba(79,172,254,0.08);
  box-shadow: 0 0 0 3px rgba(79,172,254,0.15);
}

.auth-footer {
  margin-top: 1.5rem;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-dim);
}