/* ============================================================
   FLUXION — AUTHENTICATION PAGE STYLES
   ============================================================ */

.auth-page {
  height: 100vh;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--bg-primary);
}

/* Left panel — branding */
.auth-panel-left {
  background: linear-gradient(160deg, var(--color-navy) 0%, #0A1E3F 100%);
  padding: var(--space-12);
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

/* Decorative grid */
.auth-panel-left::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 168, 216, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 168, 216, 0.06) 1px, transparent 1px);
  background-size: 40px 40px;
}

/* Decorative glow blob */
.auth-panel-left::after {
  content: '';
  position: absolute;
  top: -20%;
  left: -20%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(0, 168, 216, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.auth-brand {
  position: relative;
  z-index: 1;
  margin-bottom: var(--space-12);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.auth-brand-img {
  width: 44px !important;
  height: 44px !important;
  border-radius: 50% !important;
  object-fit: contain !important;
  background: #FFFFFF !important;
  padding: 4px !important;
  box-shadow: 0 2px 8px rgba(0,0,0,0.2) !important;
  box-sizing: border-box !important;
}
.auth-brand-text { font-size: var(--font-size-2xl); font-weight: 700; color: #FFFFFF; letter-spacing: -0.03em; }

.auth-panel-content {
  position: relative;
  z-index: 1;
}

.auth-panel-heading {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  color: #FFFFFF;
  line-height: var(--leading-tight);
  letter-spacing: -0.04em;
  margin-bottom: var(--space-5);
}

.auth-panel-heading span { color: var(--color-accent); }

.auth-panel-text {
  font-size: var(--font-size-base);
  color: rgba(200, 216, 240, 0.8);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-10);
}

/* Feature bullets */
.auth-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.auth-feature {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--font-size-sm);
  color: rgba(200, 216, 240, 0.8);
}

.auth-feature-dot {
  width: 8px; height: 8px;
  border-radius: 0 !important;
  background: var(--color-accent);
  flex-shrink: 0;
}

/* Demo mini readings */
.auth-demo-readings {
  margin-top: var(--space-10);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}

.auth-demo-reading {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(0, 168, 216, 0.2);
  border-radius: 0 !important;
  padding: var(--space-4);
  text-align: center;
}

.auth-demo-label {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(200, 216, 240, 0.5);
  margin-bottom: var(--space-2);
}

.auth-demo-val {
  font-family: var(--font-mono);
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: -0.03em;
}

.auth-demo-unit {
  font-size: 10px;
  color: rgba(200, 216, 240, 0.4);
}

/* Right panel — form */
.auth-panel-right {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-12) var(--space-10);
  overflow-y: auto;
}

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

.auth-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-10);
}

.auth-mobile-logo {
  display: none;
  align-items: center;
  gap: var(--space-2);
}

.auth-mobile-logo-img { height: 28px; }
.auth-mobile-logo-text { font-size: var(--font-size-lg); font-weight: 700; color: var(--color-text); }

.auth-heading {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-2);
  letter-spacing: -0.03em;
}

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

/* Form */
.auth-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.auth-form .form-group {
  position: relative;
}

/* Password toggle */
.password-field {
  position: relative;
}

.password-toggle {
  position: absolute;
  right: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-faint);
  cursor: pointer;
  padding: 2px;
  transition: color var(--transition-fast);
}

.password-toggle:hover { color: var(--color-text-muted); }

/* Form row */
.auth-form-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.auth-forgot {
  font-size: var(--font-size-sm);
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 500;
}

.auth-forgot:hover { color: var(--color-accent-hover); }

/* Submit button */
.auth-submit {
  width: 100%;
  padding: var(--space-4);
  font-size: var(--font-size-base);
  font-weight: 600;
}

/* Divider */
.auth-divider {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin: var(--space-5) 0;
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-border);
}

.auth-divider-text {
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-faint);
  flex-shrink: 0;
}

/* Social buttons */
.social-buttons {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.btn-social {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-5);
  font-size: var(--font-size-sm);
  font-weight: 600;
  border: 1.5px solid var(--color-border);
  border-radius: 0 !important;
  background: var(--bg-surface);
  color: var(--color-text);
  cursor: pointer;
  transition: all var(--transition-base);
}

.btn-social:hover {
  background: var(--bg-elevated);
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-sm);
}

.btn-social-icon {
  width: 20px; height: 20px;
  flex-shrink: 0;
}

/* Auth switch */
.auth-switch {
  margin-top: var(--space-8);
  text-align: center;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.auth-switch a {
  color: var(--color-accent);
  font-weight: 600;
  text-decoration: none;
}

.auth-switch a:hover { color: var(--color-accent-hover); }

/* Error state on form */
.auth-error {
  background: var(--color-critical-bg);
  border: 1px solid var(--color-critical);
  border-radius: 0 !important;
  padding: var(--space-3) var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--font-size-sm);
  color: var(--color-critical-text);
  display: none;
}

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

/* Loading overlay on button */
.btn-loading {
  position: relative;
  color: transparent !important;
  pointer-events: none;
}

.btn-loading::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 18px; height: 18px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #FFFFFF;
  border-radius: 0 !important;
  animation: spin 0.7s linear infinite;
}

/* Verification page */
.auth-verify-icon {
  width: 80px; height: 80px;
  margin: 0 auto var(--space-6);
  background: var(--color-accent-light);
  border-radius: 0 !important;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
}

/* Password strength */
.password-strength {
  margin-top: var(--space-2);
}

.strength-bars {
  display: flex;
  gap: var(--space-1);
  margin-bottom: var(--space-1);
}

.strength-bar {
  flex: 1;
  height: 3px;
  border-radius: 0 !important;
  background: var(--color-border);
  transition: background var(--transition-base);
}

.strength-bar.active-weak    { background: var(--color-critical); }
.strength-bar.active-medium  { background: var(--color-warning); }
.strength-bar.active-strong  { background: var(--color-success); }

.strength-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-faint);
}

/* Back link */
.auth-back {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  margin-bottom: var(--space-8);
  transition: color var(--transition-fast);
}

.auth-back:hover { color: var(--color-text); }