/* ==========================================================
   Auth pages — split-screen premium layout
   ========================================================== */
.auth-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr;
}
@media (min-width: 992px) {
  .auth-shell { grid-template-columns: 1fr 1fr; }
}

.auth-side {
  position: relative;
  display: none;
  background: radial-gradient(120% 140% at 14% -10%, #12523d 0%, var(--primary-900) 55%, #071f17 100%);
  color: #fff;
  padding: 56px;
  overflow: hidden;
}
@media (min-width: 992px) { .auth-side { display: flex; flex-direction: column; justify-content: space-between; } }
.auth-side::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.045) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(circle at 30% 20%, black 0%, transparent 70%);
}
.auth-side .quote {
  position: relative;
  font-family: var(--font-display);
  font-size: clamp(20px, 2vw, 26px);
  font-weight: 500;
  max-width: 30ch;
  line-height: 1.4;
}
.auth-side .stat-line {
  position: relative;
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
}
.auth-side .stat-line strong { display: block; font-family: var(--font-display); font-size: 26px; }
.auth-side .stat-line span { font-size: 12px; color: rgba(255,255,255,0.65); text-transform: uppercase; letter-spacing: 0.05em; }

.auth-form-col {
  display: flex; align-items: center; justify-content: center;
  padding: 40px 20px;
  background: var(--gray-100);
}
.auth-back-home {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 13px; font-weight: 600; color: var(--gray-600);
  text-decoration: none; margin-bottom: 18px;
}
.auth-back-home i { font-size: 14px; }
.auth-back-home:hover { color: var(--primary-700); }
.auth-card {
  width: 100%;
  max-width: 420px;
  background: var(--white);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  padding: 36px 32px;
  animation: fadeInUp var(--dur-slow) var(--ease-out);
}
.auth-brand {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-display); font-weight: 600; font-size: 16px;
  color: var(--primary-900);
  margin-bottom: 28px;
  text-decoration: none;
}
.auth-card h1 { font-size: 24px; margin-bottom: 4px; }
.auth-card .subtitle { color: var(--gray-600); font-size: 14px; margin-bottom: 26px; }

.form-floating > label { color: var(--gray-600); font-size: 14px; }
.form-control {
  border-radius: var(--radius-sm);
  border-color: var(--gray-300);
  font-size: 14.5px;
  transition: border-color var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
}
.form-control:focus {
  border-color: var(--primary-500);
  box-shadow: 0 0 0 3px rgba(30,138,95,0.15);
}
.password-field { position: relative; }
.password-toggle {
  position: absolute; right: 12px; top: 50%; transform: translateY(-50%);
  background: none; border: none; color: var(--gray-600); font-size: 16px;
  z-index: 5;
  transition: color var(--dur-fast) var(--ease-out);
}
.password-toggle:hover { color: var(--primary-700); }

.strength-meter {
  height: 4px; border-radius: 2px; background: var(--gray-300);
  margin-top: 8px; overflow: hidden;
}
.strength-meter-fill {
  height: 100%; width: 0%;
  background: var(--risk-high);
  transition: width var(--dur-fast) var(--ease-out), background var(--dur-fast);
}
.strength-label { font-size: 12px; color: var(--gray-600); margin-top: 4px; }

.divider-text {
  display: flex; align-items: center; gap: 12px;
  color: var(--gray-600); font-size: 12.5px;
  margin: 22px 0;
}
.divider-text::before, .divider-text::after {
  content: ''; flex: 1; height: 1px; background: var(--gray-300);
}

.auth-alt-link { text-align: center; font-size: 14px; margin-top: 22px; color: var(--gray-600); }

.field-error { color: var(--risk-high); font-size: 12.5px; margin-top: 4px; display: none; }
.is-invalid ~ .field-error, .field-error.show {
  display: block;
  animation: fieldErrorIn var(--dur-fast) var(--ease-out);
}

.form-check-label { font-size: 13.5px; color: var(--gray-600); }