/**
 * TwinsRealEstate - Authentication Styles
 * 
 * Modern, responsive styling for authentication pages with dark mode support
 */

/* ============= Base & Variables ============= */
:root {
  --auth-shadow: var(--shadow-md);
  --auth-border-radius: var(--radius-md);
  --auth-padding: var(--spacing-xl);
  --auth-bg: var(--color-white);
  --auth-text: var(--color-text-primary);
  --auth-form-bg: rgba(255, 255, 255, 0.9);
  --auth-input-bg: var(--color-white);
  --auth-input-border: var(--gray-300);
  --auth-input-focus-border: var(--primary-color);
  --auth-input-shadow-focus: 0 0 0 2px rgba(12, 35, 64, 0.2);
  --auth-link-color: var(--primary-color);
  --auth-link-hover: var(--accent-color);
  --auth-divider-color: var(--gray-300);
  --auth-button-primary-bg: var(--primary-color);
  --auth-button-primary-hover: var(--color-primary-800);
  --auth-button-text: var(--color-white);
  --auth-success-bg: rgba(46, 204, 113, 0.1);
  --auth-success-border: var(--success-color);
  --auth-error-bg: rgba(231, 76, 60, 0.1);
  --auth-error-border: var(--error-color);
  --auth-info-bg: rgba(52, 152, 219, 0.1);
  --auth-info-border: var(--info-color);
  --auth-page-overlay: rgba(0, 0, 0, 0.5);
  --auth-page-gradient: linear-gradient(135deg, 
      rgba(12, 35, 64, 0.8), 
      rgba(212, 175, 55, 0.7));
  --auth-vertical-offset: calc(var(--header-height) + 20px);
}

/* Dark Mode Variables */
html[data-theme="dark"] {
  --auth-bg: var(--color-dark-bg-light);
  --auth-text: var(--color-dark-text);
  --auth-form-bg: rgba(42, 42, 42, 0.9);
  --auth-input-bg: var(--color-dark-bg-lighter);
  --auth-input-border: var(--color-dark-border);
  --auth-divider-color: var(--color-dark-border);
  --auth-input-shadow-focus: 0 0 0 2px rgba(212, 175, 55, 0.3);
  --auth-page-overlay: rgba(0, 0, 0, 0.7);
  --auth-page-gradient: linear-gradient(135deg, 
      rgba(12, 35, 64, 0.9), 
      rgba(212, 175, 55, 0.6));
}

/* ============= Page Background ============= */
.auth-page-background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('/static/images/property-hero.jpg');
  background-size: cover;
  background-position: center;
  z-index: -2;
}

.auth-page-background::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--auth-page-gradient);
  z-index: -1;
}

/* ============= Layout Containers ============= */
.auth-inner-container {
  min-height: calc(100vh - var(--auth-vertical-offset));
  padding-top: var(--auth-vertical-offset);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-left: var(--spacing-md);
  padding-right: var(--spacing-md);
  padding-bottom: var(--spacing-md);
}

.auth-container {
  width: 100%;
  max-width: 480px;
  background-color: var(--auth-form-bg);
  border-radius: var(--auth-border-radius);
  box-shadow: var(--auth-shadow);
  padding: var(--auth-padding);
  backdrop-filter: blur(10px);
  transition: all var(--transition);
  color: var(--auth-text);
  animation: fade-in 0.5s ease-out;
}

@keyframes fade-in {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============= Logo Styling ============= */
.auth-logo-container {
  display: flex;
  justify-content: center;
  margin-bottom: var(--spacing-xl);
}

.auth-logo {
  height: 60px;
  object-fit: contain;
  transition: transform var(--transition);
}

.auth-logo-light {
  display: block;
}

.auth-logo-dark {
  display: none;
}

html[data-theme="dark"] .auth-logo-light {
  display: none;
}

html[data-theme="dark"] .auth-logo-dark {
  display: block;
}

.auth-logo:hover {
  transform: scale(1.05);
}

/* ============= Form Header ============= */
.auth-form-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.auth-form-header h1 {
  font-family: var(--font-family-heading);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-xs);
  color: var(--auth-text);
}

.auth-form-header p {
  font-size: var(--font-size-md);
  color: var(--color-text-secondary);
}

/* ============= Form Elements ============= */
.auth-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--spacing-xs);
  color: var(--auth-text);
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="username"] {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: var(--font-size-md);
  line-height: 1.5;
  border: 1px solid var(--auth-input-border);
  border-radius: var(--radius-md);
  background-color: var(--auth-input-bg);
  color: var(--auth-text);
  transition: border var(--transition-fast), box-shadow var(--transition-fast);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
input[type="username"]:focus {
  outline: none;
  border-color: var(--auth-input-focus-border);
  box-shadow: var(--auth-input-shadow-focus);
}

/* Checkbox styling */
input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border: 1px solid var(--auth-input-border);
  border-radius: 4px;
  margin: 0;
  background-color: var(--auth-input-bg);
  cursor: pointer;
  vertical-align: middle;
  position: relative;
}

input[type="checkbox"]:checked {
  background-color: var(--auth-button-primary-bg);
  border-color: var(--auth-button-primary-bg);
}

input[type="checkbox"]:checked::after {
  content: '';
  position: absolute;
  left: 6px;
  top: 2px;
  width: 6px;
  height: 10px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.auth-checkbox-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

/* ============= Buttons ============= */
.auth-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  cursor: pointer;
  border: none;
}

.auth-button-primary {
  background-color: var(--auth-button-primary-bg);
  color: var(--auth-button-text);
}

.auth-button-primary:hover {
  background-color: var(--auth-button-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.auth-button-primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

/* ============= Links ============= */
.auth-link {
  color: var(--auth-link-color);
  font-weight: var(--font-weight-medium);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.auth-link:hover {
  color: var(--auth-link-hover);
  text-decoration: underline;
}

/* ============= Alerts ============= */
.auth-success {
  background-color: var(--auth-success-bg);
  border-left: 4px solid var(--auth-success-border);
  border-radius: var(--radius-sm);
  color: var(--success-color);
}

.auth-error {
  background-color: var(--auth-error-bg);
  border-left: 4px solid var(--auth-error-border);
  border-radius: var(--radius-sm);
  color: var(--error-color);
}

.auth-info {
  background-color: var(--auth-info-bg);
  border-left: 4px solid var(--auth-info-border);
  border-radius: var(--radius-sm);
  color: var(--info-color);
}

/* ============= OR Divider ============= */
.social-auth-divider {
  position: relative;
  text-align: center;
  margin: var(--spacing-lg) 0;
}

.social-auth-divider::before,
.social-auth-divider::after {
  content: '';
  position: absolute;
  top: 50%;
  width: calc(50% - 20px);
  height: 1px;
  background-color: var(--auth-divider-color);
}

.social-auth-divider::before {
  left: 0;
}

.social-auth-divider::after {
  right: 0;
}

.social-auth-divider span {
  display: inline-block;
  padding: 0 var(--spacing-sm);
  background-color: var(--auth-form-bg);
  position: relative;
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

/* ============= Social Auth Buttons ============= */
.social-auth-button {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-medium);
  transition: all var(--transition-fast);
  cursor: pointer;
  text-decoration: none;
}

.google-button {
  background-color: white;
  color: #757575;
  border: 1px solid #ddd;
}

html[data-theme="dark"] .google-button {
  background-color: var(--color-dark-bg-lighter);
  color: var(--color-dark-text);
  border: 1px solid var(--color-dark-border);
}

.google-button:hover {
  background-color: #f5f5f5;
  box-shadow: var(--shadow-md);
}

html[data-theme="dark"] .google-button:hover {
  background-color: var(--color-dark-bg-lightest);
}

.google-icon-wrapper {
  margin-right: 10px;
  display: flex;
  align-items: center;
}

.google-icon {
  width: 18px;
  height: 18px;
}

/* ============= Responsive Adjustments ============= */
@media (max-width: 640px) {
  .auth-container {
    padding: var(--spacing-lg);
  }
  
  .auth-form-header h1 {
    font-size: var(--font-size-xl);
  }
  
  .auth-form-header p {
    font-size: var(--font-size-sm);
  }
  
  .auth-logo {
    height: 50px;
  }
}

@media (max-width: 480px) {
  .auth-container {
    padding: var(--spacing-md);
  }
  
  .auth-inner-container {
    padding-left: var(--spacing-sm);
    padding-right: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
  }
  
  .auth-button {
    padding: 0.6rem 1.2rem;
  }
}

/* ============= Password Reset Specific ============= */
.password-reset-container {
  max-width: 500px;
  margin: 0 auto;
}

.password-reset-form {
  width: 100%;
}

.password-requirements {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  margin-top: var(--spacing-xs);
}

.password-requirements ul {
  padding-left: var(--spacing-md);
  margin-top: var(--spacing-xs);
}

/* ============= Animation Effects ============= */
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(12, 35, 64, 0.4); }
  70% { box-shadow: 0 0 0 10px rgba(12, 35, 64, 0); }
  100% { box-shadow: 0 0 0 0 rgba(12, 35, 64, 0); }
}

.auth-button-primary:focus {
  animation: pulse 1.5s infinite;
}

/* Input focus animation */
@keyframes input-focus {
  0% { border-color: var(--auth-input-border); }
  100% { border-color: var(--auth-input-focus-border); }
}

input:focus {
  animation: input-focus 0.3s ease forwards;
}