/* Modern SSO Login Page Styles - LS ITC Theme */

:root {
  --primary-color: #0052CC;
  --primary-hover: #003d99;
  --secondary-color: #6B7280;
  --accent-color: #00A9E0;
  --background: #F9FAFB;
  --card-background: #ffffff;
  --text-primary: #111827;
  --text-secondary: #6B7280;
  --border-color: #E5E7EB;
  --success-color: #10b981;
  --error-color: #ef4444;
  --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --radius: 0.5rem;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: linear-gradient(135deg, #F0F4F8 0%, #E9ECEF 25%, #F8F9FA 50%, #E3E8ED 100%);
  background-attachment: fixed;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  line-height: 1.6;
  position: relative;
}

body::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    radial-gradient(circle at 25% 25%, rgba(0, 82, 204, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 75% 75%, rgba(0, 169, 224, 0.05) 0%, transparent 50%);
  pointer-events: none;
}

.container {
  width: 100%;
  max-width: 420px;
  animation: fadeInUp 0.5s ease-out;
}

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

.login-card {
  background: var(--card-background);
  border-radius: 0.75rem;
  box-shadow: 
    0 20px 25px -5px rgba(0, 0, 0, 0.08),
    0 10px 10px -5px rgba(0, 0, 0, 0.04),
    0 0 0 1px rgba(0, 0, 0, 0.02);
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.card-header {
  text-align: center;
  padding: 2.5rem 2rem 2rem;
  background: linear-gradient(180deg, #ffffff 0%, #fbfcfd 100%);
  border-bottom: 1px solid rgba(0, 82, 204, 0.08);
  position: relative;
}

.card-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-color), transparent);
}

.logo-container {
  margin-bottom: 1.5rem;
}

.logo {
  width: 80px;
  height: 80px;
  object-fit: contain;
}

.card-header h1 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.card-header p {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.keycloak-info {
  background: rgba(0, 169, 224, 0.05);
  border-left: 3px solid var(--accent-color);
  padding: 0.75rem 1rem;
  margin: 1rem 2rem;
  border-radius: 0.375rem;
  font-size: 0.875rem;
  color: var(--text-primary);
}

.keycloak-info strong {
  display: block;
  margin-bottom: 0.25rem;
}

.card-body {
  padding: 2rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.form-input {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
  border: 1px solid #E5E7EB;
  border-radius: 0.5rem;
  background: #FAFBFC;
  transition: all 0.2s ease;
  color: var(--text-primary);
}

.form-input:focus {
  outline: none;
  border-color: var(--primary-color);
  background: white;
  box-shadow: 0 0 0 3px rgba(0, 82, 204, 0.08);
}

.form-input::placeholder {
  color: #94a3b8;
}

.action-buttons {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.btn {
  flex: 1;
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  border: none;
  border-radius: 0.5rem;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color) 0%, #003d99 100%);
  color: white;
  box-shadow: 0 2px 4px rgba(0, 82, 204, 0.2);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-hover) 0%, #002d73 100%);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 82, 204, 0.25);
}

.btn-secondary {
  background: white;
  color: var(--primary-color);
  border: 1px solid #E5E7EB;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.btn-secondary:hover {
  background: #FAFBFC;
  border-color: var(--primary-color);
  transform: translateY(-1px);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn:disabled:hover {
  transform: none;
  box-shadow: none;
}

.message {
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  margin-top: 1rem;
  animation: slideIn 0.3s ease-out;
  display: none;
}

.message.show {
  display: block;
}

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

.message.success {
  background: rgba(16, 185, 129, 0.1);
  color: var(--success-color);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.message.error {
  background: rgba(239, 68, 68, 0.1);
  color: var(--error-color);
  border: 1px solid rgba(239, 68, 68, 0.2);
}

/* Custom Modal Styles */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  z-index: 1000;
  animation: fadeIn 0.3s ease;
}

.modal-overlay.show {
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal {
  background: white;
  border-radius: 0.75rem;
  max-width: 420px;
  width: 90%;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.15);
  animation: slideUp 0.3s ease;
  overflow: hidden;
}

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

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

.modal-header {
  padding: 1.5rem;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
  color: white;
  text-align: center;
}

.modal-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 1rem;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-icon svg {
  width: 28px;
  height: 28px;
  stroke: white;
  stroke-width: 2;
}

.modal-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0;
}

.modal-body {
  padding: 1.5rem;
  text-align: center;
}

.modal-message {
  color: var(--text-primary);
  font-size: 0.875rem;
  line-height: 1.5;
  margin-bottom: 1rem;
}

.pqc-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, rgba(0, 82, 204, 0.1) 0%, rgba(0, 169, 224, 0.1) 100%);
  border: 1px solid rgba(0, 82, 204, 0.2);
  padding: 0.5rem 1rem;
  border-radius: 2rem;
  margin-bottom: 1.5rem;
}

.pqc-badge-icon {
  width: 20px;
  height: 20px;
  color: var(--primary-color);
}

.pqc-badge-text {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--primary-color);
}

.modal-footer {
  padding: 0 1.5rem 1.5rem;
  display: flex;
  justify-content: center;
}

.modal-btn {
  background: linear-gradient(135deg, var(--primary-color) 0%, #003d99 100%);
  color: white;
  border: none;
  padding: 0.75rem 2rem;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  min-width: 120px;
}

.modal-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 82, 204, 0.25);
}

.modal-btn:active {
  transform: translateY(0);
}

.footer-text {
  text-align: center;
  padding: 1.5rem 2rem;
  background: linear-gradient(180deg, #FAFBFC 0%, #F3F4F6 100%);
  border-top: 1px solid rgba(0, 82, 204, 0.06);
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.footer-text a {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 500;
}

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

/* Loading state */
.loading {
  position: relative;
  pointer-events: none;
}

.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 1rem;
  height: 1rem;
  margin: -0.5rem 0 0 -0.5rem;
  border: 2px solid #ffffff;
  border-radius: 50%;
  border-top-color: transparent;
  animation: spin 0.6s linear infinite;
}

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

/* Icon styles */
.icon {
  width: 1.25rem;
  height: 1.25rem;
  display: inline-block;
  vertical-align: middle;
}

/* Responsive design */
@media (max-width: 480px) {
  .container {
    max-width: 100%;
  }
  
  .card-header {
    padding: 1.5rem 1.5rem 1rem;
  }
  
  .card-body {
    padding: 1.5rem;
  }
  
  .action-buttons {
    flex-direction: column;
  }
  
  .btn {
    width: 100%;
  }
}

/* Accessibility improvements */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Professional light theme maintained across all color schemes */