/* ==========================================================================
   Aeranking Authentication Pages Styles
   Requirements: 3.1, 3.2 (Login), 3.3-3.7 (Signup), 6.1-6.3 (Responsive)
   ========================================================================== */

/* ==========================================================================
   SPLIT LAYOUT - LOGIN PAGE
   ========================================================================== */

.auth-split {
  min-height: 100vh;
  background-color: var(--color-bg-primary);
}

.auth-split-container {
  display: grid;
  grid-template-columns: 1fr;
  min-height: 100vh;
}

@media (min-width: 1024px) {
  .auth-split-container {
    grid-template-columns: 1fr 1fr;
  }
}

/* Left Panel - Marketing */
.auth-panel-left {
  display: none;
  flex-direction: column;
  padding: var(--spacing-10);
  background-color: var(--color-cream);
  background-image: 
    radial-gradient(circle at 20% 80%, rgba(20, 184, 166, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(249, 115, 22, 0.1) 0%, transparent 50%);
}

@media (min-width: 1024px) {
  .auth-panel-left {
    display: flex;
  }
}

.auth-panel-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: 420px;
}

/* Wider content for chat mockup on step 3 */
.auth-panel-content.wide-content {
  max-width: 540px;
}

.panel-title {
  font-size: var(--font-size-3xl);
  font-weight: 500;
  color: var(--color-dark);
  margin-bottom: var(--spacing-3);
}

.panel-subtitle {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-10);
  line-height: 1.6;
}

/* Feature List */
.feature-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-5);
  margin-bottom: var(--spacing-10);
}

.feature-item {
  display: flex;
  gap: var(--spacing-4);
}

.feature-icon {
  width: 40px;
  height: 40px;
  background-color: white;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-dark);
}

.feature-text {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-1);
}

.feature-text strong {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-dark);
}

.feature-text span {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
}

/* Social Proof */
.social-proof {
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
  margin-bottom: var(--spacing-8);
}

.avatar-group {
  display: flex;
}

.avatar-circle {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  border: 2px solid var(--color-cream);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: white;
  margin-left: -8px;
}

.avatar-circle:first-child {
  margin-left: 0;
}

.proof-text {
  display: flex;
  flex-direction: column;
}

.proof-text strong {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-dark);
}

.proof-text span {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
}

/* Stats Row */
.stats-row {
  display: flex;
  gap: var(--spacing-4);
}

.stat-item {
  flex: 1;
  padding: var(--spacing-4);
  background-color: white;
  border-radius: var(--radius-lg);
  text-align: center;
}

.stat-number {
  display: block;
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--color-dark);
}

.stat-label {
  display: block;
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  margin-top: var(--spacing-1);
}

/* Right Panel - Form */
.auth-panel-right {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-6);
  background-color: var(--color-bg-primary);
}

.auth-form-wrapper {
  width: 100%;
  max-width: 380px;
}

.auth-logo-center {
  display: flex;
  justify-content: center;
  margin-bottom: var(--spacing-6);
}

/* ==========================================================================
   AUTH HEADER
   ========================================================================== */

.auth-header {
  text-align: center;
  margin-bottom: var(--spacing-8);
}

.auth-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-2);
}

.auth-subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
  margin: 0;
}

/* ==========================================================================
   AUTH FORM
   ========================================================================== */

.auth-form {
  margin-bottom: var(--spacing-6);
}

.auth-form .form-group {
  margin-bottom: var(--spacing-4);
}

.auth-form .form-input {
  height: 44px;
  background-color: var(--color-bg-primary);
  border-color: var(--color-border-light);
}

.auth-form .form-input:focus {
  border-color: var(--color-dark);
  box-shadow: none;
}

.auth-form .form-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-2);
}

.form-row-end {
  display: flex;
  justify-content: flex-end;
  margin-top: var(--spacing-2);
}

.form-link-small {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.form-link-small:hover {
  color: var(--color-dark);
}

.auth-form .btn-primary {
  height: 44px;
  background-color: var(--color-dark);
  border-color: var(--color-dark);
  border-radius: var(--radius-md);
  font-weight: 500;
}

.auth-form .btn-primary:hover {
  background-color: var(--color-dark-hover);
  border-color: var(--color-dark-hover);
}

/* ==========================================================================
   AUTH DIVIDER
   ========================================================================== */

.auth-divider {
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
  margin: var(--spacing-6) 0;
}

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

.auth-divider span {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  white-space: nowrap;
}

/* ==========================================================================
   SOCIAL LOGIN BUTTON
   ========================================================================== */

.btn-social-single {
  height: 44px;
  gap: var(--spacing-2);
  border-color: var(--color-border-light);
  color: var(--color-text-primary);
  font-weight: 500;
  border-radius: var(--radius-md);
  background-color: var(--color-bg-primary);
}

.btn-social-single:hover {
  background-color: var(--color-bg-secondary);
  border-color: var(--color-border-default);
  color: var(--color-text-primary);
}

/* ==========================================================================
   AUTH FOOTER
   ========================================================================== */

.auth-footer {
  text-align: center;
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
  margin: var(--spacing-6) 0 0;
}

.auth-link {
  color: var(--color-dark);
  font-weight: 500;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.auth-link:hover {
  text-decoration: underline;
}

/* ==========================================================================
   PASSWORD REQUIREMENTS
   ========================================================================== */

.password-requirements {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-2);
  margin-top: var(--spacing-2);
}

.password-requirements .requirement {
  font-size: 10px;
  color: var(--color-text-muted);
  background-color: var(--color-bg-secondary);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.password-requirements .requirement.valid {
  color: var(--color-success);
  background-color: rgba(34, 197, 94, 0.1);
}

/* ==========================================================================
   AUTH TERMS FOOTER
   ========================================================================== */

.auth-terms {
  text-align: center;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: var(--spacing-4);
}

.auth-terms .form-link {
  color: var(--color-text-tertiary);
  text-decoration: underline;
}

.auth-terms .form-link:hover {
  color: var(--color-dark);
}

/* Feature icon check variant */
.feature-icon-check {
  background-color: rgba(34, 197, 94, 0.1);
  color: var(--color-success);
}

/* ==========================================================================
   RESET PASSWORD SUCCESS STATE
   ========================================================================== */

.reset-success {
  text-align: center;
  padding: var(--spacing-6) 0;
}

.success-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto var(--spacing-4);
  background-color: rgba(34, 197, 94, 0.1);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-success);
}

.success-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-2);
}

.success-message {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-4);
}

.success-hint {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

/* ==========================================================================
   EMAIL VERIFICATION SCREEN (Step 2)
   Requirements: 3.5, 3.6, 3.7, 3.8, 3.9, 3.10, 3.11, 3.12
   ========================================================================== */

.email-verification-container {
  text-align: center;
  padding: var(--spacing-4) 0;
}

.verification-logo {
  margin-bottom: var(--spacing-8);
}

.verification-logo .nav-logo {
  justify-content: center;
}

.verification-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto var(--spacing-6);
  background-color: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
}

.verification-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-3);
}

.verification-message {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--spacing-6);
}

.verification-message strong {
  color: var(--color-text-primary);
  font-weight: 600;
}

.verification-info-box {
  background-color: var(--color-cream);
  border-radius: var(--radius-md);
  padding: var(--spacing-4);
  margin-bottom: var(--spacing-8);
}

.verification-info-box span {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.verification-actions {
  margin-bottom: var(--spacing-6);
}

.verification-resend-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-3);
}

.verification-actions .btn-outline {
  height: 44px;
  border-color: var(--color-border-light);
  color: var(--color-text-primary);
  font-weight: 500;
  border-radius: var(--radius-md);
  background-color: var(--color-bg-primary);
}

.verification-actions .btn-outline:hover {
  background-color: var(--color-bg-secondary);
  border-color: var(--color-border-default);
}

#email-verification-view .auth-footer {
  margin-top: var(--spacing-4);
}

/* Onboarding button hover state */
.btn-onboarding-link:hover {
  color: white !important;
}

/* ==========================================================================
   SIGNUP PAGE STYLES
   ========================================================================== */

.auth-page:not(.auth-split) {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--color-bg-secondary);
}

.auth-main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-8) var(--spacing-4);
  padding-top: calc(72px + var(--spacing-8));
}

.auth-container {
  width: 100%;
  max-width: 440px;
}

.auth-card {
  background-color: var(--color-bg-primary);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  padding: var(--spacing-8);
}

.auth-card-signup {
  max-width: 520px;
}

/* ==========================================================================
   SIGNUP PROGRESS INDICATOR (Requirement 3.7, 10.4)
   ========================================================================== */

.signup-progress {
  margin-bottom: var(--spacing-8);
}

.progress-steps {
  display: flex;
  align-items: center;
  justify-content: center;
}

.progress-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-2);
}

.step-circle {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background-color: var(--color-gray-200);
  color: var(--color-text-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  transition: all var(--transition-default);
}

.progress-step.active .step-circle {
  background-color: var(--color-dark);
  color: var(--color-text-inverse);
}

.progress-step.completed .step-circle {
  background-color: var(--color-success);
  color: var(--color-text-inverse);
}

.progress-step.completed .step-circle::after {
  content: '✓';
  font-size: var(--font-size-base);
}

.progress-step.completed .step-circle {
  font-size: 0;
}

.step-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  font-weight: var(--font-weight-medium);
  transition: color var(--transition-fast);
}

.progress-step.active .step-label {
  color: var(--color-dark);
}

.progress-step.completed .step-label {
  color: var(--color-success);
}

.progress-line {
  width: 60px;
  height: 2px;
  background-color: var(--color-gray-200);
  margin: 0 var(--spacing-2);
  margin-bottom: var(--spacing-6);
  transition: background-color var(--transition-default);
}

.progress-line.completed {
  background-color: var(--color-success);
}

/* ==========================================================================
   FORM STEPS
   ========================================================================== */

.form-step {
  display: none;
}

.form-step.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateX(10px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.step-header {
  margin-bottom: var(--spacing-6);
}

.step-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-1);
}

.step-description {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin: 0;
}

/* ==========================================================================
   FORM ACTIONS
   ========================================================================== */

.form-actions {
  display: flex;
  gap: var(--spacing-3);
  margin-top: var(--spacing-6);
}

.form-actions .btn {
  flex: 1;
  height: 48px;
}

.btn-prev {
  flex: 0 0 auto;
  width: auto;
  padding-left: var(--spacing-4);
  padding-right: var(--spacing-5);
}

.btn-next,
.btn-submit {
  flex: 1;
}

/* ==========================================================================
   AUTH PAGE OVERRIDES
   ========================================================================== */

.auth-page .nav-header {
  background-color: var(--color-bg-secondary);
}

.auth-page .nav-actions {
  display: flex;
}

/* ==========================================================================
   RESPONSIVE ADJUSTMENTS
   ========================================================================== */

@media (max-width: 639px) {
  .auth-main {
    padding: var(--spacing-4);
    padding-top: calc(72px + var(--spacing-4));
    align-items: flex-start;
  }

  .auth-card {
    padding: var(--spacing-6);
    border-radius: var(--radius-lg);
  }

  .progress-line {
    width: 40px;
  }
  
  .step-label {
    display: none;
  }
  
  .progress-line {
    margin-bottom: 0;
  }

  .form-actions {
    flex-direction: column;
  }

  .btn-prev {
    order: 2;
    width: 100%;
  }

  .btn-next,
  .btn-submit {
    order: 1;
  }
}