/* Clean Login Styles */
:root {
  --primary: #00488E;
  --primary-hover: #003366;
  --text: #333;
  --text-muted: #666;
  --border: #ddd;
  --background: #f8f9fa;
  --surface: #fff;
  --radius: 8px;
  --shadow: 0 2px 10px rgba(0,0,0,0.1);
}

/* Dark mode */
@media (prefers-color-scheme: dark) {
  :root {
    --text: #fff;
    --text-muted: #ccc;
    --border: #444;
    --background: #1a1a1a;
    --surface: #2a2a2a;
  }
}

.theme-dark {
  --text: #fff;
  --text-muted: #ccc;
  --border: #444;
  --background: #1a1a1a;
  --surface: #2a2a2a;
}

/* Reset */
* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--background);
  color: var(--text);
  line-height: 1.5;
}

/* Main container */
.login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 30px 20px;
}

/* Login card */
.login-card {
  width: 100%;
  max-width: 420px;
  background: white;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  overflow: hidden;
}

/* Header */
.login-header {
  text-align: center;
  padding: 50px 40px 38px;
  background: linear-gradient(135deg, #00488E 0%, #0066CC 100%);
  color: white;
}

.login-header h1 {
  margin: 0 0 8px;
  font-size: 30px;
  font-weight: 500;
  letter-spacing: -0.3px;
}

.login-header p {
  margin: 0;
  opacity: 0.9;
  font-size: 14px;
  font-weight: 400;
}

/* Form */
.login-form {
  padding: 40px 35px;
}

.form-group {
  margin-bottom: 20px;
}

.form-control {
  width: 100%;
  height: 48px;
  padding: 14px 18px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 15px;
  font-weight: 400;
  background: white;
  color: var(--text);
  transition: all 0.2s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 72, 142, 0.08);
}

.form-control::placeholder {
  color: var(--text-muted);
}

/* Button */
.btn-primary {
  width: 100%;
  height: 48px;
  background: var(--primary);
  border: none;
  border-radius: 8px;
  color: white;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  margin-top: 4px;
  letter-spacing: 0.3px;
}

.btn-primary:hover {
  background: var(--primary-hover);
}

.btn-primary:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(0, 72, 142, 0.2);
}

/* Alerts */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius);
  margin-bottom: 20px;
  font-size: 14px;
}

.alert-warning {
  background: #fff3cd;
  color: #856404;
  border: 1px solid #ffeaa7;
}

.alert-danger {
  background: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
}

/* Footer */
.login-footer {
  padding: 25px 35px 30px;
  text-align: center;
  border-top: 1px solid var(--border);
  background: white;
}

.login-footer p {
  margin: 6px 0;
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 400;
}

.login-footer a {
  color: var(--primary);
  text-decoration: none;
}

.login-footer a:hover {
  text-decoration: underline;
}

/* Modal */
.modal-content {
  border: none;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.modal-header {
  background: var(--primary);
  color: white;
  border-bottom: none;
  border-radius: var(--radius) var(--radius) 0 0;
}

.modal-title {
  font-weight: 500;
}

.modal-body {
  padding: 20px;
}

.modal-footer {
  border-top: 1px solid var(--border);
  padding: 15px 20px;
}

.btn-default {
  background: #f8f9fa;
  border: 1px solid var(--border);
  color: var(--text);
}

.btn-default:hover {
  background: #e9ecef;
}

/* Responsive */
@media (max-width: 480px) {
  .login-container {
    padding: 10px;
  }
  
  .login-header {
    padding: 30px 20px 20px;
  }
  
  .login-form {
    padding: 20px;
  }
  
  .login-footer {
    padding: 15px 20px 20px;
  }
  
  .login-header h1 {
    font-size: 24px;
  }
}

/* Focus styles */
.form-control:focus,
.btn-primary:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* High contrast mode */
@media (prefers-contrast: high) {
  .login-card {
    border: 2px solid var(--text);
  }
  
  .form-control {
    border-width: 2px;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
  }
}

/* Modal fallback styles */
.modal {
  display: none;
  position: fixed;
  z-index: 1050;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0,0,0,0.5);
}

.modal.in,
.modal.show {
  display: block !important;
}

.modal.fade.in {
  opacity: 1;
}

.modal.fade {
  opacity: 0;
  transition: opacity 0.15s linear;
}

.modal-dialog {
  position: relative;
  width: auto;
  margin: 30px auto;
  max-width: 300px;
  display: flex;
  align-items: center;
  min-height: calc(100vh - 60px);
}

.modal-content {
  position: relative;
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  outline: 0;
  width: 100%;
}

.modal-backdrop {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 1040;
  background-color: #000;
}

.modal-backdrop.fade {
  opacity: 0;
}

.modal-backdrop.in {
  opacity: 0.5;
}

body.modal-open {
  overflow: hidden;
}

/* MFA Code Input Styles */
.mfa-label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  color: var(--text);
  font-size: 14px;
}

.mfa-label i {
  margin-right: 6px;
  color: var(--primary);
}

.mfa-input-container {
  position: relative;
  margin-bottom: 8px;
}

.mfa-code-input {
  text-align: center;
  font-size: 24px;
  font-weight: 600;
  letter-spacing: 8px;
  padding: 16px 8px;
  height: 60px;
  border: 2px solid var(--border);
  background: var(--surface);
  color: var(--text);
  transition: all 0.3s ease;
}

.mfa-code-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(0, 72, 142, 0.1);
  transform: scale(1.02);
}

.mfa-code-input::placeholder {
  color: var(--text-muted);
  opacity: 0.5;
  letter-spacing: 8px;
}

.mfa-code-indicators {
  position: absolute;
  bottom: -25px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  justify-content: center;
}

.code-digit {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border);
  transition: all 0.3s ease;
  opacity: 0.3;
}

.code-digit.filled {
  background: var(--primary);
  opacity: 1;
  transform: scale(1.2);
}

.code-digit.current {
  background: var(--primary);
  opacity: 0.7;
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 0.7; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.3); }
}

.mfa-help-text {
  display: block;
  margin-top: 12px;
  font-size: 12px;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.4;
}

.mfa-help-text i {
  margin-right: 4px;
  color: var(--primary);
}

/* MFA Error Styling */
#mfa_error {
  margin-top: 15px;
  text-align: center;
  animation: shake 0.5s ease-in-out;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-5px); }
  75% { transform: translateX(5px); }
}

/* Success Animation */
.mfa-code-input.success {
  border-color: #28a745;
  background: rgba(40, 167, 69, 0.05);
}

.mfa-code-input.error {
  border-color: #dc3545;
  background: rgba(220, 53, 69, 0.05);
}

.mfa-code-input.processing {
  border-color: var(--primary);
  background: rgba(0, 72, 142, 0.05);
  animation: processing-pulse 1.5s infinite;
}

@keyframes processing-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

/* Dark mode adjustments for MFA */
@media (prefers-color-scheme: dark) {
  .mfa-code-input.success {
    background: rgba(40, 167, 69, 0.1);
  }
  
  .mfa-code-input.error {
    background: rgba(220, 53, 69, 0.1);
  }
}

.theme-dark .mfa-code-input.success {
  background: rgba(40, 167, 69, 0.1);
}

.theme-dark .mfa-code-input.error {
  background: rgba(220, 53, 69, 0.1);
}

/* Responsive MFA styles */
@media (max-width: 480px) {
  .mfa-code-input {
    font-size: 20px;
    letter-spacing: 6px;
    height: 55px;
  }
  
  .mfa-code-indicators {
    bottom: -20px;
    gap: 6px;
  }
  
  .code-digit {
    width: 6px;
    height: 6px;
  }
}