:root {
  --primary-color: #01257D;
  --primary-color-dark: #011a57;
  --secondary-color: #DC052D;
  --accent-color: #2FAEE0;
  --accent-yellow: #FDB927;
  --white: #FFFFFF;
  --success-color: #28a745;
  --warning-color: #ffc107;
  --danger-color: #DC052D;
  --info-color: #2FAEE0;
  --gray-100: #f8f9fa;
  --gray-200: #e9ecef;
  --gray-300: #dee2e6;
  --gray-400: #ced4da;
  --gray-500: #adb5bd;
  --gray-600: #6c757d;
  --gray-700: #495057;
  --gray-800: #343a40;
  --gray-900: #212529;
}

body {
  font-family: Inter, system-ui, Avenir, Helvetica, Arial, sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--gray-100);
  color: var(--gray-800);
  line-height: 1.5;
  font-weight: 400;
}

/* Brand color utilities */
.bg-primary-cba {
  background-color: var(--primary-color);
}

.text-primary-cba {
  color: var(--primary-color);
}

.btn-primary-cba {
  background-color: var(--primary-color);
  color: white;
  transition: all 0.2s ease;
}

.btn-primary-cba:hover {
  background-color: var(--primary-color-dark);
  color: white;
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(1, 37, 125, 0.2);
}

/* Animation utilities */
.fade-in {
  animation: fadeIn 0.5s ease-in-out;
}

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

.slide-in {
  animation: slideIn 0.3s ease-in-out;
}

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

/* Form Steps */
.steps {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  position: relative;
}

.steps::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gray-300);
  z-index: 1;
}

.step-item {
  position: relative;
  z-index: 2;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: white;
  border: 2px solid var(--gray-300);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  color: var(--gray-600);
  transition: all 0.3s ease;
}

.step-item.active {
  border-color: var(--primary-color);
  color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(1, 37, 125, 0.2);
}

.step-item.completed {
  border-color: var(--accent-color);
  background-color: var(--accent-color);
  color: white;
}

/* Form Steps Content */
.form-step {
  display: none;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.form-step.active {
  display: block;
  opacity: 1;
  animation: fadeIn 0.5s ease;
}

/* File Upload */
.upload-zone {
  border: 2px dashed var(--gray-300);
  border-radius: 8px;
  padding: 2rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
}

.upload-zone:hover {
  border-color: var(--primary-color);
  background-color: rgba(1, 37, 125, 0.05);
}

.upload-zone.highlight {
  border-color: var(--primary-color);
  background-color: rgba(1, 37, 125, 0.05);
  transform: scale(1.01);
}

.upload-zone.upload-complete {
  border-color: var(--accent-color);
  background-color: rgba(47, 174, 224, 0.05);
}

/* Custom Form Controls */
.form-control {
  border-radius: 6px;
  transition: all 0.2s ease;
}

.form-control:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.2rem rgba(1, 37, 125, 0.25);
}

.custom-control-input:checked ~ .custom-control-label::before {
  border-color: var(--primary-color);
  background-color: var(--primary-color);
}

/* Navigation Tabs */
.nav-tabs .nav-link {
  border: none;
  border-bottom: 2px solid transparent;
  padding-left: 0;
  padding-right: 0;
  margin-right: 1.5rem;
  color: var(--gray-600);
  transition: all 0.3s ease;
}

.nav-tabs .nav-link:hover {
  color: var(--primary-color);
}

.nav-tabs .nav-link.active {
  color: var(--primary-color);
  border-bottom-color: var(--primary-color);
  font-weight: 500;
}

/* Card & Shadow Effects */
.card {
  border-radius: 12px;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1) !important;
}

/* Responsive Styles */
@media (max-width: 767.98px) {
  .steps {
    overflow-x: auto;
    padding-bottom: 1rem;
  }
  
  .nav-tabs .nav-link {
    margin-right: 1rem;
    font-size: 0.9rem;
  }
  
  .upload-zone {
    padding: 1.5rem;
  }
}

/* Button Animations */
.btn {
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}

.btn::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background-color: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.5s, height 0.5s;
}

.btn:active::after {
  width: 300px;
  height: 300px;
  opacity: 0;
}

/* Password toggle button */
.toggle-password {
  cursor: pointer;
  transition: all 0.2s ease;
}

.toggle-password:hover {
  background-color: var(--gray-200);
}

/* Modal styles */
.modal-content {
  border-radius: 12px;
  border: none;
}

.modal-header {
  border-bottom: 1px solid var(--gray-200);
  padding: 1.5rem;
}

.modal-body {
  padding: 1.5rem;
}

.modal-footer {
  border-top: 1px solid var(--gray-200);
  padding: 1.5rem;
}

.alert {
  border-radius: 8px;
  padding: 1rem;
  margin-top: 1rem;
}

.alert-success {
  background-color: rgba(47, 174, 224, 0.1);
  border-color: var(--accent-color);
  color: var(--accent-color);
}

.alert-danger {
  background-color: rgba(220, 5, 45, 0.1);
  border-color: var(--danger-color);
  color: var(--danger-color);
}

/* Button variants */
.btn-danger {
  background-color: var(--secondary-color);
  border-color: var(--secondary-color);
}

.btn-danger:hover {
  background-color: #b80426;
  border-color: #b80426;
}

/* Links */
a {
  color: var(--primary-color);
  transition: color 0.2s ease;
}

a:hover {
  color: var(--primary-color-dark);
  text-decoration: none;
}