/* =====================================================
   STARLINK VMS — Auth Screens (SCR-01, 02, 03)
   ===================================================== */

.auth-split {
  display: grid;
  grid-template-columns: 45% 55%;
  min-height: 100vh;
}

/* Left Brand Panel */
.auth-brand {
  background: black;
  position: relative;
  overflow: hidden;
}

.auth-video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
  opacity: 0.85; /* Slight dimming for premium feel */
}

.auth-brand__inner {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 2;
  padding: var(--space-8);
  width: 100%;
}

.auth-brand__logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.auth-brand__name {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  color: white;
  letter-spacing: 0.12em;
}

.auth-brand__tagline {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: white;
  line-height: 1.3;
  margin-bottom: var(--space-10);
  opacity: 0.95;
}

.auth-brand__features {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.auth-brand__feature {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: rgba(255,255,255,0.75);
  font-size: var(--font-size-sm);
  font-weight: 450;
}

.feature-icon {
  font-size: 18px;
  line-height: 1;
}

/* Geometric decorative pattern */
.auth-brand__pattern {
  position: absolute;
  inset: 0;
  z-index: 1;
  background-image:
    radial-gradient(circle at 20% 80%, rgba(46,134,193,0.2) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(232,114,42,0.12) 0%, transparent 40%);
}

.auth-brand__pattern::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(
      -45deg,
      transparent,
      transparent 40px,
      rgba(255,255,255,0.015) 40px,
      rgba(255,255,255,0.015) 42px
    );
}

.auth-brand__pattern::after {
  content: '';
  position: absolute;
  bottom: -60px;
  right: -60px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: rgba(46,134,193,0.18);
  border: 1px solid rgba(255,255,255,0.08);
}

/* Right Form Panel */
.auth-form-panel {
  background: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-12) var(--space-8);
}

.auth-form-wrap {
  width: 100%;
  max-width: 400px;
}

.auth-form-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-8);
}

.auth-wordmark {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.auth-wordmark__text {
  font-size: var(--font-size-md);
  font-weight: 800;
  color: var(--color-navy);
  letter-spacing: 0.1em;
}

.auth-portal-label {
  font-size: var(--font-size-xs);
  font-weight: 500;
  color: var(--color-text-secondary);
  background: var(--color-bg);
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border);
}

.auth-heading {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: var(--space-2);
  line-height: 1.25;
}

.auth-subheading {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-8);
  line-height: 1.6;
}

.auth-footer-note {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  text-align: center;
  margin-top: var(--space-6);
}

/* Alert banners */
.auth-alert {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-5);
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  border: 1px solid transparent;
}
.auth-alert--error {
  background: #FDEDEC;
  border-color: #FADCD9;
  color: var(--color-error-dark);
}

/* Success / error states panels */
.auth-success-panel {
  text-align: center;
  padding: var(--space-8) var(--space-6);
  background: #EAFAF1;
  border-radius: var(--radius-lg);
  border: 1px solid #ABEBC6;
}

.success-icon {
  width: 56px;
  height: 56px;
  background: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-4);
  box-shadow: 0 2px 12px rgba(39,174,96,0.2);
}

.success-heading {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-success-dark);
  margin-bottom: var(--space-2);
}

.success-body {
  font-size: var(--font-size-sm);
  color: #1A5935;
  line-height: 1.6;
  margin-bottom: var(--space-5);
}

.auth-error-panel {
  text-align: center;
  padding: var(--space-8) var(--space-6);
  background: #FDEDEC;
  border-radius: var(--radius-lg);
  border: 1px solid #FADCD9;
}

.error-icon {
  width: 56px;
  height: 56px;
  background: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-4);
}

.auth-error-panel h2 {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-error-dark);
  margin-bottom: var(--space-2);
}

.auth-error-panel p {
  font-size: var(--font-size-sm);
  color: var(--color-error-dark);
  line-height: 1.6;
  margin-bottom: var(--space-5);
}

.auth-validating {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-12) 0;
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

/* Back link */
.auth-back-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-primary);
  margin-bottom: var(--space-6);
  font-weight: 500;
}
.auth-back-link:hover { text-decoration: none; color: var(--color-primary-dark); }

/* Password strength */
.password-strength {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-2);
}

.strength-bar {
  display: flex;
  gap: 3px;
  flex: 1;
}

.strength-seg {
  height: 4px;
  flex: 1;
  border-radius: 2px;
  background: var(--color-border);
  transition: background var(--transition-base);
}

.strength-seg.active-weak     { background: var(--color-error); }
.strength-seg.active-fair     { background: var(--color-warning); }
.strength-seg.active-strong   { background: var(--color-primary); }
.strength-seg.active-vstrong  { background: var(--color-success); }

.strength-label {
  font-size: var(--font-size-xs);
  font-weight: 500;
  color: var(--color-text-secondary);
  min-width: 52px;
  text-align: right;
}

.password-rules {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-4);
  margin-top: var(--space-2);
  margin-bottom: var(--space-2);
}

.password-rules span {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
}

/* Responsive */
@media (max-width: 768px) {
  .auth-split {
    grid-template-columns: 1fr;
  }
  .auth-brand {
    display: none;
  }
  .auth-form-panel {
    padding: var(--space-8) var(--space-4);
  }
}