/* ============================================
   RETINA-TH — Auth Pages (Login / Register)
   ============================================ */

.auth-body {
  min-height: 100vh;
  background: var(--color-gray-50);
  display: flex;
  align-items: stretch;
}

.auth-wrapper {
  display: flex;
  width: 100%;
  min-height: 100vh;
}

/* --- Left Panel (Branding) --- */
.auth-left {
  flex: 0 0 45%;
  background: linear-gradient(135deg, var(--color-primary) 0%, #16213e 50%, #0f3460 100%);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-3xl);
  position: relative;
  overflow: hidden;
}

.auth-left::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255, 185, 50, 0.12) 0%, transparent 70%);
  border-radius: 50%;
}

.auth-left::after {
  content: '';
  position: absolute;
  bottom: -80px;
  left: -60px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(255, 185, 50, 0.08) 0%, transparent 70%);
  border-radius: 50%;
}

.auth-left-content {
  position: relative;
  z-index: 1;
  max-width: 420px;
}

.auth-left-content h1 {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  margin-bottom: var(--spacing-md);
  line-height: 1.3;
}

.auth-left-content p {
  font-size: var(--font-size-base);
  opacity: 0.8;
  line-height: 1.8;
  margin-bottom: var(--spacing-2xl);
}

.auth-features {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.auth-feature {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-size: var(--font-size-sm);
  transition: background var(--transition-fast);
}

.auth-feature:hover {
  background: rgba(255, 255, 255, 0.1);
}

.auth-feature-icon {
  font-size: 1.25rem;
  flex-shrink: 0;
}

/* --- Right Panel (Form) --- */
.auth-right {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-2xl);
  overflow-y: auto;
}

.auth-card {
  width: 100%;
  max-width: 440px;
  position: relative;
}

.auth-lang {
  position: absolute;
  top: 0;
  right: 0;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: var(--font-size-sm);
  color: var(--color-gray-400);
}

.auth-lang .lang-btn {
  background: none;
  border: none;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-gray-400);
  cursor: pointer;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.auth-lang .lang-btn.active {
  color: var(--color-accent);
}

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

.auth-title {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
}

.auth-subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
  margin-bottom: var(--spacing-xl);
}

/* --- Google Button --- */
.btn-google {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  width: 100%;
  padding: 12px 20px;
  background: var(--color-white);
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-gray-700);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: var(--font-primary);
}

.btn-google:hover {
  border-color: var(--color-gray-400);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn-google:active {
  transform: translateY(0);
}

/* --- Divider --- */
.auth-divider {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin: var(--spacing-xl) 0;
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-gray-200);
}

.auth-divider span {
  font-size: var(--font-size-xs);
  color: var(--color-gray-400);
  white-space: nowrap;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* --- Auth Form --- */
.auth-form .form-group {
  margin-bottom: var(--spacing-md);
}

.auth-form .form-group label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.forgot-link {
  font-size: var(--font-size-xs);
  color: var(--color-accent) !important;
  font-weight: 500;
}

.forgot-link:hover {
  text-decoration: underline;
  color: var(--color-accent-hover) !important;
}

/* Input with icon */
.input-icon-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.input-icon {
  position: absolute;
  left: 14px;
  font-size: var(--font-size-sm);
  pointer-events: none;
  z-index: 1;
}

.input-with-icon {
  padding-left: 42px !important;
}

.toggle-password {
  position: absolute;
  right: 6px;
  background: none;
  border: none;
  cursor: pointer;
  font-size: var(--font-size-sm);
  padding: 8px;
  color: var(--color-gray-400);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast);
}

.toggle-password:hover {
  color: var(--color-gray-700);
}

/* Password strength */
.password-strength {
  height: 4px;
  background: var(--color-gray-200);
  border-radius: var(--radius-full);
  margin-top: 8px;
  overflow: hidden;
}

.strength-fill {
  height: 100%;
  width: 0%;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}

.strength-text {
  font-size: var(--font-size-xs);
  font-weight: 500;
  margin-top: 4px;
  display: block;
}

/* Switch & Back Links */
.auth-switch {
  text-align: center;
  margin-top: var(--spacing-xl);
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
}

.auth-switch a {
  color: var(--color-accent);
  font-weight: 600;
}

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

.auth-back {
  display: block;
  text-align: center;
  margin-top: var(--spacing-lg);
  font-size: var(--font-size-sm);
  color: var(--color-gray-400);
}

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

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
  .auth-left {
    flex: 0 0 40%;
    padding: var(--spacing-2xl);
  }

  .auth-left-content h1 {
    font-size: var(--font-size-2xl);
  }
}

@media (max-width: 768px) {
  .auth-wrapper {
    flex-direction: column;
  }

  .auth-left {
    flex: none;
    padding: var(--spacing-2xl) var(--spacing-lg);
    min-height: auto;
  }

  .auth-left-content {
    text-align: center;
    max-width: 100%;
  }

  .auth-left-content h1 {
    font-size: var(--font-size-xl);
  }

  .auth-left-content p {
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-lg);
  }

  .auth-features {
    display: none;
  }

  .auth-right {
    padding: var(--spacing-lg);
  }

  .auth-card {
    max-width: 100%;
  }

  .auth-form .form-row {
    grid-template-columns: 1fr;
  }
}