/* ============================================================
   auth.css — login page (Warm Premium · Ink & Gold)
   ============================================================ */

.auth-body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(1000px 720px at 50% -10%, rgba(28,92,66,0.95) 0%, rgba(28,92,66,0) 60%),
    radial-gradient(820px 680px at 100% 105%, rgba(18,70,50,0.85) 0%, rgba(18,70,50,0) 60%),
    radial-gradient(760px 640px at -4% 96%, rgba(13,54,40,0.9) 0%, rgba(13,54,40,0) 58%),
    linear-gradient(162deg, #0D2E23 0%, #082019 100%);
}
/* faint dotted grid texture */
.auth-body::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.14) 1px, transparent 1px);
  background-size: 26px 26px;
  -webkit-mask-image: radial-gradient(circle at 50% 40%, #000 30%, transparent 75%);
  mask-image: radial-gradient(circle at 50% 40%, #000 30%, transparent 75%);
  pointer-events: none;
}

.auth-card {
  position: relative;
  width: 100%;
  max-width: 440px;
  background: var(--glass-surface);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-edge);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl), var(--sheen-top), var(--ring-gold);
  padding: 42px 38px;
  animation: fadeInUp 0.5s var(--ease-out, ease) both;
}
/* gradient top hairline */
.auth-card::before {
  content: '';
  position: absolute;
  top: 0; left: 22px; right: 22px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, transparent, rgba(176,137,74,0.9), transparent);
}

.auth-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 28px;
}
.auth-brand__name {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.auth-title {
  font-family: var(--font-display);
  font-size: 1.875rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  text-align: center;
}
.auth-subtitle {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  text-align: center;
  margin-top: 5px;
  margin-bottom: 28px;
}

.auth-form .form-group { margin-bottom: 18px; }

.auth-options {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 22px;
}
.auth-options .form-check-label { font-size: 0.875rem; color: var(--text-secondary); }

.auth-submit { width: 100%; padding: 12px; font-size: 0.9375rem; }

.auth-footer {
  text-align: center;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--hairline);
  font-size: 0.8125rem;
  color: var(--text-muted);
}
.auth-footer strong { color: var(--brand-primary-700); font-family: var(--font-mono); }