/**
 * Author AI - Authentication Styles
 * Modern authentication pages with Author AI branding
 */

/* Authentication Page Base */
.auth-page {
  min-height: 100vh;
  background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a78bfa 100%);
  position: relative;
  overflow-x: hidden;
}

/* Animated background */
.auth-page::before {
  content: '';
  position: fixed;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
  animation: pulse-bg 8s ease-in-out infinite;
  z-index: -1;
}

@keyframes pulse-bg {
  0%, 100% {
    transform: scale(1) rotate(0deg);
    opacity: 0.5;
  }
  50% {
    transform: scale(1.1) rotate(180deg);
    opacity: 0.8;
  }
}

/* Auth Navigation */
.auth-nav {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  padding: var(--space-4) var(--space-6);
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
}

.auth-nav .nav-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.auth-nav .nav-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: white;
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
}

.auth-nav .nav-link {
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  background: rgba(255, 255, 255, 0.1);
}

.auth-nav .nav-link:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateX(-4px);
}

/* Body overrides for auth page */
body.auth-page {
  height: auto;
  min-height: 100vh;
  overflow-x: hidden;
  overflow-y: auto;
}

/* Prevent extra space beyond footer */
.auth-page::after {
  content: '';
  display: block;
  height: 0;
  clear: both;
}

/* Auth App Container */
.auth-app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Auth Main Content */
.auth-main {
  flex: 1;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: var(--space-6);
  padding-top: 100px;
  padding-bottom: var(--space-6);
}

/* Auth Container */
.auth-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  max-width: 1000px;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow:
    0 25px 50px rgba(0, 0, 0, 0.15),
    0 0 0 1px rgba(255, 255, 255, 0.2);
  position: relative;
  z-index: 1;
}

/* Welcome Section */
.auth-welcome {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding: var(--space-4);
}

.welcome-title {
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  color: var(--gray-900);
  margin-bottom: var(--space-3);
  line-height: 1.2;
  text-align: left;
  width: 100%;
}

.welcome-subtitle {
  font-size: var(--text-lg);
  color: var(--gray-600);
  margin-bottom: var(--space-6);
  line-height: 1.5;
  text-align: left;
  width: 100%;
}

/* Auth Features */
.auth-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  align-items: flex-start;
  width: 100%;
  padding: var(--space-2) 0;
}

.auth-feature {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  width: 100%;
  margin-bottom: var(--space-3);
  justify-content: flex-start;
}

.auth-feature .feature-icon {
  width: 48px;
  height: 48px;
  background: var(--author-gradient);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: var(--text-xl);
  flex-shrink: 0;
  margin-top: 2px;
}

.auth-feature .feature-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 48px;
  text-align: left;
  width: 100%;
}

.auth-feature .feature-text strong {
  color: var(--gray-900);
  font-weight: var(--font-semibold);
  margin-bottom: 2px;
  line-height: 1.4;
  text-align: left;
}

.auth-feature .feature-text span {
  color: var(--gray-600);
  font-size: var(--text-sm);
  line-height: 1.4;
  text-align: left;
}

/* Auth Forms */
.auth-forms {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.auth-form {
  display: none;
}

.auth-form.active {
  display: block;
  animation: fadeIn var(--transition-base);
}

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

/* Form Header */
.form-header {
  text-align: center;
  margin-bottom: var(--space-6);
}

.form-header h2 {
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  color: var(--gray-900);
  margin-bottom: var(--space-2);
}

.form-header p {
  color: var(--gray-600);
  font-size: var(--text-base);
}

/* Social Auth */
.social-auth {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.social-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border: 2px solid var(--gray-300);
  border-radius: var(--radius-lg);
  background: white;
  color: var(--gray-700);
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.social-btn:hover {
  border-color: var(--author-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.social-btn.google-btn:hover {
  border-color: #4285F4;
  box-shadow: 0 8px 24px rgba(66, 133, 244, 0.2);
}

.social-btn.apple-btn:hover {
  border-color: #000;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.social-btn svg {
  width: 20px;
  height: 20px;
}

.social-btn i {
  font-size: 20px;
}

/* Auth Divider */
.auth-divider {
  text-align: center;
  margin: var(--space-6) 0;
  position: relative;
}

.auth-divider::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--gray-300);
}

.auth-divider span {
  background: rgba(255, 255, 255, 0.95);
  padding: 0 var(--space-4);
  color: var(--gray-500);
  font-size: var(--text-sm);
  position: relative;
}

/* Email Form */
.email-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-group label {
  color: var(--gray-700);
  font-weight: var(--font-medium);
  font-size: var(--text-sm);
}

.form-group input {
  padding: var(--space-3);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  background: white;
  transition: all var(--transition-fast);
}

.form-group input:focus {
  outline: none;
  border-color: var(--author-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-group input::placeholder {
  color: var(--gray-400);
}

/* Password Input */
.password-input {
  position: relative;
  display: flex;
  align-items: center;
}

.password-input input {
  width: 100%;
  padding-right: 48px;
}

.password-toggle {
  position: absolute;
  right: var(--space-3);
  background: none;
  border: none;
  color: var(--gray-500);
  cursor: pointer;
  padding: var(--space-2);
  display: flex;
  align-items: center;
  justify-content: center;
}

.password-toggle:hover {
  color: var(--author-primary);
}

/* Form Options */
.form-options {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: var(--space-2) 0;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--gray-600);
  font-size: var(--text-sm);
  cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--author-primary);
}

.forgot-password {
  color: var(--author-primary);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  transition: color var(--transition-fast);
}

.forgot-password:hover {
  color: var(--author-secondary);
  text-decoration: underline;
}

/* Auth Button */
.auth-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border: none;
  border-radius: var(--radius-lg);
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  cursor: pointer;
  transition: all var(--transition-fast);
  margin-top: var(--space-4);
}

.auth-btn.primary {
  background: var(--author-gradient);
  color: white;
  box-shadow: var(--shadow-md);
}

.auth-btn.primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* Auth Switch */
.auth-switch {
  text-align: center;
  margin-top: var(--space-6);
  color: var(--gray-600);
  font-size: var(--text-sm);
}

.switch-btn {
  background: none;
  border: none;
  color: var(--author-primary);
  font-weight: var(--font-semibold);
  cursor: pointer;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.switch-btn:hover {
  color: var(--author-secondary);
  text-decoration: underline;
}

/* Auth States */
.auth-loading,
.auth-success,
.auth-error {
  display: none;
  text-align: center;
  padding: var(--space-8);
}

.auth-loading.hidden,
.auth-success.hidden,
.auth-error.hidden {
  display: none !important;
}

#auth-loading:not(.hidden),
#auth-success:not(.hidden),
#auth-error:not(.hidden) {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
}

/* Loading State */
.loading-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}

.loading-spinner {
  width: 48px;
  height: 48px;
  border: 4px solid var(--gray-300);
  border-top-color: var(--author-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

#loading-message {
  color: var(--gray-700);
  font-size: var(--text-lg);
  text-align: center;
  margin: 0;
}

/* Success State */
.success-icon {
  width: 64px;
  height: 64px;
  background: var(--success-light, #10b98120);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--success, #10b981);
  font-size: 32px;
  margin: 0 auto var(--space-4);
}

/* Verify Icon */
.verify-icon {
  width: 64px;
  height: 64px;
  background: var(--author-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 28px;
  margin: 0 auto var(--space-4);
}

.success-message {
  color: var(--gray-900);
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
}

.success-submessage {
  color: var(--gray-600);
  font-size: var(--text-base);
}

/* Error State */
.error-icon {
  width: 64px;
  height: 64px;
  background: var(--error-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--error);
  font-size: 32px;
}

#error-message {
  color: var(--error);
  font-size: var(--text-base);
  margin-top: var(--space-2);
}

#retry-auth {
  margin-top: var(--space-4);
  padding: var(--space-3) var(--space-6);
  background: var(--author-gradient);
  color: white;
  border: none;
  border-radius: var(--radius-lg);
  font-weight: var(--font-semibold);
  cursor: pointer;
  transition: all var(--transition-fast);
}

#retry-auth:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* Responsive Design */
@media (max-width: 768px) {
  .auth-container {
    grid-template-columns: 1fr;
    padding: var(--space-6);
    margin: var(--space-4);
    max-width: calc(100vw - 2rem);
  }

  .auth-welcome {
    display: none;
  }

  .auth-nav .nav-container {
    padding: var(--space-3);
  }

  .welcome-title {
    font-size: var(--text-2xl);
  }

  .auth-main {
    padding: var(--space-4);
    padding-top: 80px;
  }
}

@media (max-width: 1024px) and (min-width: 769px) {
  .auth-container {
    max-width: 800px;
  }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
  .auth-container {
    background: rgba(30, 30, 30, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.1);
  }

  .welcome-title,
  .form-header h2 {
    color: white;
  }

  .welcome-subtitle,
  .form-header p,
  .auth-feature .feature-text span {
    color: var(--gray-400);
  }

  .auth-feature .feature-text strong {
    color: white;
  }

  .form-group label {
    color: var(--gray-300);
  }

  .form-group input {
    background: rgba(40, 40, 40, 0.8);
    border-color: rgba(255, 255, 255, 0.1);
    color: white;
  }

  .social-btn {
    background: rgba(40, 40, 40, 0.8);
    border-color: rgba(255, 255, 255, 0.1);
    color: white;
  }

  .auth-divider span {
    background: rgba(30, 30, 30, 0.95);
  }
}

/* Email Verification and Password Reset Styles */
.verify-info,
.reset-info {
  text-align: center;
  margin: var(--space-6) 0;
  color: var(--gray-600);
  line-height: 1.6;
}

.verify-info p,
.reset-info p {
  margin-bottom: var(--space-3);
}

.verify-note,
.reset-note {
  font-size: var(--text-sm);
  color: var(--gray-500);
  margin-top: var(--space-2);
}

#verify-email-address,
#reset-email-sent {
  color: var(--author-primary);
  font-weight: var(--font-semibold);
}

.auth-btn.secondary {
  background: transparent;
  color: var(--author-primary);
  border: 2px solid var(--author-primary);
  margin-top: var(--space-4);
}

.auth-btn.secondary:hover {
  background: var(--author-primary);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.retry-btn {
  padding: var(--space-3) var(--space-6);
  background: var(--author-gradient);
  color: white;
  border: none;
  border-radius: var(--radius-lg);
  font-weight: var(--font-semibold);
  cursor: pointer;
  transition: all var(--transition-fast);
  margin-top: var(--space-4);
}

.retry-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

#reset-form,
#verify-email-notice,
#reset-success {
  animation: fadeIn var(--transition-base);
}

.hideSuccess {
  animation: fadeOut var(--transition-base);
}

@keyframes fadeOut {
  from {
    opacity: 1;
  }
  to {
    opacity: 0;
  }
}

/* Footer adjustments for auth page */
.auth-page .footer {
  background: #000000 !important;
  margin-top: auto;
  flex-shrink: 0;
}

.auth-page .footer * {
  color: rgba(255, 255, 255, 0.9);
}

.auth-page .footer .footer-logo span,
.auth-page .footer .footer-title {
  color: white;
}

.auth-page .footer a:hover {
  color: white;
}

/* Ensure no extra space after footer */
.auth-page .footer {
  margin-bottom: 0 !important;
  padding-bottom: var(--space-6);
}

/* Final constraint to prevent scroll beyond footer */
.auth-app {
  position: relative;
}

.auth-app::after {
  content: '';
  display: block;
  height: 1px;
  margin-top: -1px;
}