/**
 * VoteGuard Authentication Stylesheet
 * 
 * Authentication page styles for login, register, and related forms
 * 
 * @version 1.0.0
 * @package VoteGuard
 * @author Jencube Development Team
 * @license Proprietary
 * @copyright Copyright (c) 2025 Jencube. All rights reserved.
 * @filesource assets/css/auth.css
 */

/* ==================================================
   AUTH CONTAINER LAYOUT - DESKTOP CENTERING
   ================================================== */

/* Authentication container */
.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, 
      rgba(10, 46, 89, 0.02) 0%, 
      rgba(0, 196, 140, 0.02) 100%);
  }
  
  [data-theme="dark"] .auth-container {
    background: linear-gradient(135deg, 
      rgba(10, 46, 89, 0.05) 0%, 
      rgba(0, 196, 140, 0.05) 100%);
  }
  
  /* Authentication card */
  .auth-card {
    width: 100%;
    max-width: 420px; /* Controlled width for desktop */
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    position: relative;
  }
  
  /* ==================================================
     THEME TOGGLE POSITIONING
     ================================================== */
  
  .theme-toggle-container {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    z-index: 10;
  }
  
  .theme-toggle-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: none;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--transition-fast);
    color: var(--text-muted);
    box-shadow: var(--shadow-sm);
  }
  
  [data-theme="dark"] .theme-toggle-btn {
    background: rgba(0, 0, 0, 0.7);
  }
  
  .theme-toggle-btn:hover {
    background: rgba(255, 255, 255, 1);
    box-shadow: var(--shadow-md);
    transform: scale(1.05);
  }
  
  [data-theme="dark"] .theme-toggle-btn:hover {
    background: rgba(0, 0, 0, 0.9);
  }
  
  .theme-icon {
    width: 20px;
    height: 20px;
    transition: opacity var(--transition-fast);
  }
  
  /* ==================================================
     AUTH HEADER
     ================================================== */
  
  .auth-header {
    padding: var(--spacing-2xl) var(--spacing-xl) var(--spacing-lg);
    text-align: center;
    background: linear-gradient(135deg, 
      rgba(10, 46, 89, 0.02) 0%, 
      rgba(0, 196, 140, 0.02) 100%);
  }
  
  [data-theme="dark"] .auth-header {
    background: linear-gradient(135deg, 
      rgba(10, 46, 89, 0.05) 0%, 
      rgba(0, 196, 140, 0.05) 100%);
  }
  
  .auth-header p {
    margin-top: var(--spacing-sm);
    color: var(--text-muted);
    font-size: var(--font-size-sm);
  }
  
  /* VoteGuard Logo Styling */
  .voteguard-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-md);
  }
  
  .logo-icon {
    width: 48px;
    height: 48px;
    color: var(--primary-color);
  }
  
  .logo-vote {
    color: var(--primary-color);
  }
  
  .logo-guard {
    color: var(--secondary-color);
  }
  
  /* ==================================================
     AUTH ALERTS
     ================================================== */
  
  .auth-alerts {
    padding: 0 var(--spacing-xl) var(--spacing-md);
  }
  
  .auth-alerts .alert {
    border-radius: var(--border-radius-lg);
    border: none;
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-sm);
    animation: slideInDown 0.4s ease-out;
  }
  
  .alert-content {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    position: relative;
  }
  
  .alert-icon {
    flex-shrink: 0;
    margin-top: 2px;
  }
  
  .alert-message {
    flex-grow: 1;
    font-weight: var(--font-weight-medium);
    line-height: 1.4;
    margin-right: var(--spacing-lg);
  }
  
  .alert-close {
    background: none;
    border: none;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity var(--transition-fast);
    padding: var(--spacing-xs);
    color: inherit;
    position: absolute;
    top: var(--spacing-xs);
    right: var(--spacing-xs);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .alert-close:hover {
    opacity: 1;
    background: rgba(0, 0, 0, 0.1);
  }
  
  /* Alert Type Styling */
  .auth-alerts .alert-danger {
    background: linear-gradient(135deg, #fef2f2, #fee2e2);
    color: #991b1b;
    border-left: 4px solid #dc2626;
  }
  
  .auth-alerts .alert-success {
    background: linear-gradient(135deg, #f0fdf4, #dcfce7);
    color: #166534;
    border-left: 4px solid #16a34a;
  }
  
  .auth-alerts .alert-info {
    background: linear-gradient(135deg, #eff6ff, #dbeafe);
    color: #1e40af;
    border-left: 4px solid #3b82f6;
  }
  
  .auth-alerts .alert-warning {
    background: linear-gradient(135deg, #fffbeb, #fef3c7);
    color: #92400e;
    border-left: 4px solid #f59e0b;
  }
  
  /* ==================================================
     AUTH BODY - FORM STYLING
     ================================================== */
  
  .auth-body {
    padding: 0 var(--spacing-xl) var(--spacing-xl);
  }
  
  /* Form Groups */
  .auth-body .form-group {
    margin-bottom: var(--spacing-lg);
  }
  
  .auth-body .form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--text-color);
    font-size: var(--font-size-sm);
  }
  
  /* Enhanced Input Groups */
  .auth-body .input-group {
    position: relative;
    display: flex;
    align-items: center;
  }
  
  .auth-body .form-control {
    background-color: var(--surface-color);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    transition: all var(--transition-fast);
    width: 100%;
  }
  
  .auth-body .form-control:focus {
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(0, 196, 140, 0.1);
    outline: none;
  }
  
  .auth-body .form-control.is-valid {
    border-color: var(--success-color);
    background-color: rgba(0, 196, 140, 0.02);
  }
  
  .auth-body .form-control.is-invalid {
    border-color: var(--danger-color);
    background-color: rgba(255, 107, 107, 0.02);
  }
  
  /* Input Icons */
  .input-icon-left {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 5;
    opacity: 0;
    transition: all var(--transition-fast);
  }
  
  .input-icon-left .validation-icon {
    width: 18px;
    height: 18px;
  }
  
  .input-icon-left .error-icon {
    color: var(--danger-color);
  }
  
  .input-icon-left .success-icon {
    color: var(--success-color);
  }
  
  .form-control.is-invalid ~ .input-icon-left,
  .form-control.is-valid ~ .input-icon-left {
    opacity: 1;
  }
  
  .form-control.is-invalid,
  .form-control.is-valid {
    padding-left: 45px;
  }
  
  /* Input Type Indicator */
  .input-type-indicator {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    opacity: 0;
    transition: all var(--transition-fast);
    pointer-events: none;
    z-index: 3;
  }
  
  .input-type-indicator.show {
    opacity: 1;
  }
  
  .input-type-indicator svg {
    width: 18px;
    height: 18px;
    color: var(--text-muted);
  }
  
  /* Password Toggle */
  .password-toggle-btn {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    color: var(--text-muted);
    transition: all var(--transition-fast);
    z-index: 4;
  }
  
  .password-toggle-btn:hover {
    color: var(--primary-color);
    background: rgba(0, 0, 0, 0.05);
  }
  
  #password.is-invalid,
  #password.is-valid {
    padding-left: 45px;
    padding-right: 45px;
  }
  
  /* Form Check (Remember Me) */
  .auth-body .form-check {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: 0;
  }
  
  .auth-body .form-check-input {
    width: 18px;
    height: 18px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
  }
  
  .auth-body .form-check-input:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
  }
  
  .auth-body .form-check-label {
    font-size: var(--font-size-sm);
    color: var(--text-color);
    cursor: pointer;
    margin-bottom: 0;
  }
  
  /* Forgot Password Link */
  .auth-body a {
    color: var(--primary-color);
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    transition: color var(--transition-fast);
  }
  
  .auth-body a:hover {
    color: var(--secondary-color);
    text-decoration: underline;
  }
  
  /* ==================================================
     BUTTONS
     ================================================== */
  
  /* Primary Login Button */
  .auth-body .btn-primary {
    background: linear-gradient(135deg, var(--primary-color), #082449);
    border: none;
    border-radius: var(--border-radius);
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
  }
  
  .auth-body .btn-primary:hover {
    background: linear-gradient(135deg, #082449, var(--primary-color));
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(10, 46, 89, 0.3);
  }
  
  .auth-body .btn-primary:disabled {
    opacity: 0.7;
    transform: none;
    box-shadow: none;
  }
  
  /* Button Loading State */
  .spinner {
    display: inline-block;
    width: 1rem;
    height: 1rem;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
    margin-left: var(--spacing-sm);
  }
  
  @keyframes spin {
    to { transform: rotate(360deg); }
  }
  
  /* ==================================================
     OAUTH SECTION
     ================================================== */
  
  .oauth-section {
    margin-top: var(--spacing-xl);
    text-align: center;
  }
  
  .oauth-divider {
    position: relative;
    margin: var(--spacing-lg) 0;
    text-align: center;
  }
  
  .oauth-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background-color: var(--border-color);
  }
  
  .oauth-divider span {
    background-color: var(--card-bg);
    padding: 0 var(--spacing-md);
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
  }
  
  /* Google OAuth Button */
  .google-oauth-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    background-color: var(--surface-color);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-color);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
  }
  
  .google-oauth-btn:hover {
    border-color: var(--secondary-color);
    box-shadow: 0 4px 12px rgba(0, 196, 140, 0.15);
    transform: translateY(-1px);
    color: var(--text-color);
  }
  
  .google-oauth-btn svg {
    width: 18px;
    height: 18px;
  }
  
  /* ==================================================
     AUTH FOOTER
     ================================================== */
  
  .auth-footer {
    padding: var(--spacing-lg) var(--spacing-xl);
    text-align: center;
    background-color: var(--gray-50);
    border-top: 1px solid var(--border-color);
  }
  
  [data-theme="dark"] .auth-footer {
    background-color: var(--gray-800);
  }
  
  .auth-footer p {
    margin: 0;
    font-size: var(--font-size-sm);
    color: var(--text-muted);
  }
  
  .auth-footer a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    transition: color var(--transition-fast);
  }
  
  .auth-footer a:hover {
    color: var(--secondary-color);
    text-decoration: underline;
  }
  
  /* ==================================================
     MOBILE RESPONSIVE - 24px MARGINS
     ================================================== */
  
  @media (max-width: 767.98px) {
    .auth-container {
      padding: 24px; /* 24px mobile margins */
      align-items: flex-start;
      padding-top: 40px;
    }
  
    .auth-card {
      max-width: 100%;
      margin: 0;
    }
  
    .theme-toggle-container {
      top: 16px;
      right: 16px;
    }
  
    .theme-toggle-btn {
      width: 36px;
      height: 36px;
    }
  
    .auth-header {
      padding: var(--spacing-xl) 24px var(--spacing-lg);
    }
  
    .voteguard-logo {
      font-size: var(--font-size-2xl);
    }
  
    .logo-icon {
      width: 40px;
      height: 40px;
    }
  
    .auth-alerts {
      padding: 0 24px var(--spacing-md);
    }
  
    .auth-body {
      padding: 0 24px 24px;
    }
  
    .auth-body .form-control {
      padding: 16px 20px;
      font-size: var(--font-size-base);
    }
  
    .auth-body .form-control.is-invalid,
    .auth-body .form-control.is-valid {
      padding-left: 50px;
    }
  
    #password.is-invalid,
    #password.is-valid {
      padding-left: 50px;
      padding-right: 50px;
    }
  
    .auth-body .btn-primary {
      padding: 16px 24px;
      font-size: var(--font-size-lg);
    }
  
    .google-oauth-btn {
      padding: 16px 24px;
      font-size: var(--font-size-base);
    }
  
    .auth-footer {
      padding: 24px;
    }
  
    /* Mobile form adjustments */
    .auth-body .form-group {
      margin-bottom: 24px;
    }
  
    .oauth-section {
      margin-top: 24px;
    }
  
    .oauth-divider {
      margin: 20px 0;
    }
  }
  
  /* ==================================================
     TABLET RESPONSIVE
     ================================================== */
  
  @media (min-width: 768px) and (max-width: 991.98px) {
    .auth-container {
      padding: 40px;
    }
  
    .auth-card {
      max-width: 480px;
    }
  }
  
  /* ==================================================
     DESKTOP RESPONSIVE
     ================================================== */
  
  @media (min-width: 992px) {
    .auth-container {
      padding: var(--spacing-2xl);
    }
  
    .auth-card {
      max-width: 420px;
    }
  
    /* Enhanced hover effects on desktop */
    .auth-card {
      transition: all var(--transition-base);
    }
  
    .auth-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    }
  
    [data-theme="dark"] .auth-card:hover {
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    }
  }
  
  /* ==================================================
     ANIMATIONS
     ================================================== */
  
  .slide-in-up {
    animation: slideInUp 0.6s ease-out;
  }
  
  @keyframes slideInUp {
    from {
      transform: translateY(30px);
      opacity: 0;
    }
    to {
      transform: translateY(0);
      opacity: 1;
    }
  }
  
  @keyframes slideInDown {
    from {
      transform: translateY(-30px);
      opacity: 0;
    }
    to {
      transform: translateY(0);
      opacity: 1;
    }
  }
  
  .fade-in {
    animation: fadeIn 0.4s ease-out;
  }
  
  @keyframes fadeIn {
    from {
      opacity: 0;
    }
    to {
      opacity: 1;
    }
  }
  
  /* ==================================================
     ACCESSIBILITY IMPROVEMENTS
     ================================================== */
  
  /* Focus states */
  .auth-body .form-control:focus {
    outline: 2px solid var(--secondary-color);
    outline-offset: 2px;
  }
  
  .auth-body .btn:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
  }
  
  .theme-toggle-btn:focus {
    outline: 2px solid var(--secondary-color);
    outline-offset: 2px;
  }
  
  /* High contrast mode */
  @media (prefers-contrast: high) {
    .auth-card {
      border-width: 2px;
    }
  
    .auth-body .form-control {
      border-width: 2px;
    }
  
    .google-oauth-btn {
      border-width: 2px;
    }
  }
  
  /* Reduced motion */
  @media (prefers-reduced-motion: reduce) {
    * {
      animation-duration: 0.01ms !important;
      animation-iteration-count: 1 !important;
      transition-duration: 0.01ms !important;
    }
  }
  
  /* ==================================================
     PRINT STYLES
     ================================================== */
  
  @media print {
    .auth-container {
      background: none;
      padding: 0;
    }
  
    .auth-card {
      box-shadow: none;
      border: 1px solid #000;
    }
  
    .theme-toggle-container,
    .oauth-section,
    .auth-footer {
      display: none;
    }
  }