/* ============================================
   FMS Auth Pages - Modern Login Styles
   ============================================ */

/* ============================================
   Auth Page Layout
   ============================================ */
.auth-page {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--primary-50) 0%, var(--primary-100) 50%, var(--primary-200) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  position: relative;
  overflow: hidden;
}

.auth-page::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(59,130,246,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
  opacity: 0.3;
  pointer-events: none;
}

.auth-container {
  width: 100%;
  max-width: 1200px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  background: var(--bg-primary);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-2xl);
  overflow: hidden;
  min-height: 600px;
}

@media (max-width: 768px) {
  .auth-container {
    grid-template-columns: 1fr;
    max-width: 500px;
    min-height: auto;
  }
}

/* ============================================
   Branding Section
   ============================================ */
.auth-branding {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--primary-600) 100%);
  color: var(--text-inverse);
  padding: var(--space-12);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.auth-branding::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(180deg); }
}

.branding-content {
  text-align: center;
  position: relative;
  z-index: 2;
}

.brand-logo {
  width: 80px;
  height: 80px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-2xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-6);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.brand-logo i {
  font-size: var(--font-size-4xl);
  color: var(--text-inverse);
}

.brand-title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-2);
  color: var(--text-inverse);
}

.brand-subtitle {
  font-size: var(--font-size-lg);
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--space-8);
  font-weight: var(--font-weight-medium);
}

.brand-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.feature-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all var(--transition-fast);
}

.feature-item:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateX(5px);
}

.feature-item i {
  font-size: var(--font-size-lg);
  color: var(--text-inverse);
  width: 24px;
  text-align: center;
}

.feature-item span {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-inverse);
}

/* ============================================
   Form Section
   ============================================ */
.auth-form-container {
  padding: var(--space-12);
  display: flex;
  align-items: center;
  justify-content: center;
}

.auth-form-card {
  width: 100%;
  max-width: 400px;
}

.auth-form-header {
  text-align: center;
  margin-bottom: var(--space-8);
}

.auth-form-title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.auth-form-subtitle {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  margin: 0;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

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

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

.form-label.required::after {
  content: ' *';
  color: var(--danger-500);
}

.input-group {
  position: relative;
  display: flex;
  align-items: center;
}

.input-group-icon {
  position: absolute;
  left: var(--space-4);
  color: var(--text-muted);
  font-size: var(--font-size-lg);
  z-index: 10;
  pointer-events: none;
  top: 50%;
  transform: translateY(-50%);
  transition: color var(--transition-fast);
}

.form-control {
  width: 100%;
  padding: var(--space-4) var(--space-4) var(--space-4) var(--space-12);
  font-size: var(--font-size-base);
  border: 2px solid var(--border-light);
  border-radius: var(--radius-lg);
  background: var(--bg-primary);
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

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

.input-group-toggle {
  position: absolute;
  right: var(--space-4);
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: var(--font-size-lg);
  cursor: pointer;
  padding: var(--space-2);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  z-index: 2;
}

.input-group-toggle:hover {
  color: var(--text-primary);
  background: var(--bg-secondary);
}

.form-check {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.form-check-input {
  width: 18px;
  height: 18px;
  border: 2px solid var(--border-medium);
  border-radius: var(--radius-sm);
  background: var(--bg-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.form-check-input:checked {
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.form-check-label {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  cursor: pointer;
  user-select: none;
}

.btn-full {
  width: 100%;
  padding: var(--space-4);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
}

.btn-full:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

/* ============================================
   Form Footer
   ============================================ */
.auth-form-footer {
  margin-top: var(--space-8);
  text-align: center;
}

.divider {
  position: relative;
  margin-bottom: var(--space-4);
}

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

.divider span {
  background: var(--bg-primary);
  padding: 0 var(--space-4);
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  font-weight: var(--font-weight-medium);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.security-info {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-size: var(--font-size-xs);
  color: var(--text-muted);
}

.security-info i {
  color: var(--success-500);
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 768px) {
  .auth-page {
    padding: var(--space-2);
  }
  
  .auth-branding {
    padding: var(--space-8);
  }
  
  .auth-form-container {
    padding: var(--space-8);
  }
  
  .brand-title {
    font-size: var(--font-size-3xl);
  }
  
  .brand-subtitle {
    font-size: var(--font-size-base);
  }
  
  .auth-form-title {
    font-size: var(--font-size-2xl);
  }
  
  .brand-features {
    gap: var(--space-3);
  }
  
  .feature-item {
    padding: var(--space-2);
  }
}

@media (max-width: 480px) {
  .auth-branding {
    padding: var(--space-6);
  }
  
  .auth-form-container {
    padding: var(--space-6);
  }
  
  .brand-logo {
    width: 60px;
    height: 60px;
  }
  
  .brand-logo i {
    font-size: var(--font-size-3xl);
  }
  
  .brand-title {
    font-size: var(--font-size-2xl);
  }
  
  .auth-form-title {
    font-size: var(--font-size-xl);
  }
}

/* ============================================
   Animation Enhancements
   ============================================ */
.auth-page {
  animation: fadeIn 0.8s ease-out;
}

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

.auth-form-card {
  animation: slideInRight 0.6s ease-out 0.2s both;
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.branding-content {
  animation: slideInLeft 0.6s ease-out 0.2s both;
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.feature-item {
  animation: fadeInUp 0.4s ease-out;
  animation-fill-mode: both;
}

.feature-item:nth-child(1) { animation-delay: 0.4s; }
.feature-item:nth-child(2) { animation-delay: 0.5s; }
.feature-item:nth-child(3) { animation-delay: 0.6s; }

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

/* ============================================
   Focus States
   ============================================ */
.form-control:focus + .input-group-icon {
  color: var(--color-primary);
}

/* ============================================
   Loading States
   ============================================ */
.btn-modern:disabled {
  position: relative;
  overflow: hidden;
}

.btn-modern:disabled::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  animation: loading 1.5s infinite;
}

@keyframes loading {
  0% { left: -100%; }
  100% { left: 100%; }
}

/* ============================================
   Focus States for Input Icons
   ============================================ */
.input-group:focus-within .input-group-icon {
  color: var(--color-primary);
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
  .auth-page {
    background: white;
    padding: 0;
  }
  
  .auth-branding {
    background: white;
    color: black;
  }
  
  .auth-form-card {
    box-shadow: none;
    border: 1px solid #ccc;
  }
}