/* Base styles */
:root {
  --primary-color: #0066cc;
  --primary-hover: #0052a3;
  --success-color: #28a745;
  --error-color: #dc3545;
  --payment-color: #ff9500;
  --payment-hover: #e6850e;
  --usd-color: #28a745;
  --aed-color: #007bff;
  --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;
  --border-radius: 0.25rem;
  --box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
  --transition: all 0.2s ease-in-out;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.5;
  color: var(--gray-800);
  background-color: var(--gray-100);
}

.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 2rem 1rem;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  margin-bottom: 0.5rem;
  font-weight: 600;
  line-height: 1.2;
}

h1 {
  font-size: 2rem;
}

h2 {
  font-size: 1.5rem;
}

h3 {
  font-size: 1.25rem;
}

p {
  margin-bottom: 1rem;
}

.text-success {
  color: var(--success-color);
}

.small-text {
  font-size: 0.875rem;
}

/* Header & Footer */
header {
  text-align: center;
  margin-bottom: 2rem;
}

header p {
  color: var(--gray-600);
}

footer {
  text-align: center;
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--gray-300);
  color: var(--gray-600);
  font-size: 0.875rem;
}

/* Cards */
.card {
  background-color: white;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  margin-bottom: 1.5rem;
  overflow: hidden;
}

.card-header {
  padding: 1rem;
  background-color: var(--gray-100);
  border-bottom: 1px solid var(--gray-300);
}

.card-header h2 {
  margin: 0;
  display: flex;
  align-items: center;
}

.card-content {
  padding: 1.5rem;
}

/* Forms */
.form-group {
  margin-bottom: 1rem;
}

.form-row {
  display: flex;
  flex-wrap: wrap;
  margin-right: -0.5rem;
  margin-left: -0.5rem;
}

.form-row > .form-group {
  flex: 1 0 0%;
  padding-right: 0.5rem;
  padding-left: 0.5rem;
}

label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

input[type="text"],
input[type="email"],
input[type="number"],
select,
textarea {
  display: block;
  width: 100%;
  padding: 0.375rem 0.75rem;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--gray-700);
  background-color: white;
  background-clip: padding-box;
  border: 1px solid var(--gray-400);
  border-radius: var(--border-radius);
  transition: var(--transition);
}

input:focus,
select:focus,
textarea:focus {
  color: var(--gray-700);
  background-color: white;
  border-color: #80bdff;
  outline: 0;
  box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

.registration-type {
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--gray-300);
}

.form-hint {
  font-size: 0.875rem;
  color: var(--gray-600);
  margin-top: 0.25rem;
  margin-bottom: 0;
}

.radio-group {
  margin-top: 0.5rem;
}

.radio-item {
  display: flex;
  align-items: center;
  margin-bottom: 0.5rem;
}

.radio-item input[type="radio"] {
  margin-right: 0.5rem;
}

.radio-item label {
  margin-bottom: 0;
  cursor: pointer;
}

/* Buttons */
.btn {
  display: inline-block;
  font-weight: 400;
  text-align: center;
  white-space: nowrap;
  vertical-align: middle;
  user-select: none;
  border: 1px solid transparent;
  padding: 0.375rem 0.75rem;
  font-size: 1rem;
  line-height: 1.5;
  border-radius: var(--border-radius);
  transition: var(--transition);
  cursor: pointer;
  text-decoration: none;
}

.btn-primary {
  color: white;
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}

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

.btn-secondary {
  color: var(--gray-800);
  background-color: var(--gray-200);
  border-color: var(--gray-200);
}

.btn-secondary:hover {
  background-color: var(--gray-300);
  border-color: var(--gray-300);
}

.btn-payment {
  color: white;
  background-color: var(--payment-color);
  border-color: var(--payment-color);
  font-size: 1.1rem;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.btn-payment:hover {
  background-color: var(--payment-hover);
  border-color: var(--payment-hover);
}

.btn:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

button.btn {
  width: 100%;
}

/* Payment */
.payment-section {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--gray-300);
  text-align: center;
}

.payment-icon {
  margin-right: 0.5rem;
  font-size: 1.2rem;
}

.payment-subtitle {
  font-size: 0.9rem;
  font-weight: 400;
  opacity: 0.9;
  margin-top: 0.25rem;
}

.payment-result {
  padding: 1rem;
  border-radius: var(--border-radius);
  margin-bottom: 1rem;
}

.payment-result.success {
  background-color: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
}

.payment-result.failed {
  background-color: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
}

.payment-details {
  margin-top: 1rem;
  padding: 1rem;
  background-color: var(--gray-100);
  border-radius: var(--border-radius);
}

.next-steps {
  margin-top: 1rem;
  padding: 1rem;
  background-color: #d1ecf1;
  color: #0c5460;
  border-radius: var(--border-radius);
}

/* Alerts */
.alert {
  position: relative;
  padding: 0.75rem 1.25rem;
  margin-bottom: 1rem;
  border: 1px solid transparent;
  border-radius: var(--border-radius);
}

.alert-error {
  color: #721c24;
  background-color: #f8d7da;
  border-color: #f5c6cb;
}

/* Icons */
.icon-check::before {
  content: "✓";
  color: var(--success-color);
  margin-right: 0.5rem;
}

.icon-info::before {
  content: "ℹ";
  color: var(--primary-color);
  margin-right: 0.5rem;
}

.icon-error::before {
  content: "✗";
  color: var(--error-color);
  margin-right: 0.5rem;
}

/* Results */
.result-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.result-item h3 {
  font-size: 0.875rem;
  color: var(--gray-600);
  margin-bottom: 0.25rem;
}

.result-item p {
  font-size: 1.125rem;
  font-weight: 500;
  margin-bottom: 0;
}

.fee-section {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--gray-300);
}

.fee-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.fee-header h3 {
  font-size: 1.25rem;
  margin-bottom: 0;
}

.fee-amounts {
  text-align: right;
}

.fee-amount-usd {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--usd-color);
  margin-bottom: 0.25rem;
}

.fee-amount-aed {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--aed-color);
  margin-bottom: 0;
}

.currency-info {
  background-color: var(--gray-100);
  padding: 1rem;
  border-radius: var(--border-radius);
  margin: 1rem 0;
  text-align: center;
}

.exchange-rate {
  font-size: 0.9rem;
  color: var(--gray-700);
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.payment-currency {
  font-size: 0.85rem;
  color: var(--aed-color);
  margin-bottom: 0;
  font-weight: 500;
}

.fee-note {
  color: var(--gray-600);
  font-size: 0.875rem;
}

.actions {
  margin-top: 1.5rem;
  text-align: center;
}

/* Registration Period */
.registration-period {
  margin-top: 1rem;
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius);
  text-align: center;
  font-size: 0.95rem;
}

.registration-period.early {
  background-color: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
}

.registration-period.late {
  background-color: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
}

.registration-period p {
  margin: 0;
}

/* Responsive */
@media (max-width: 768px) {
  .form-row {
    flex-direction: column;
  }

  .form-row > .form-group {
    padding-right: 0;
    padding-left: 0;
  }

  .result-grid {
    grid-template-columns: 1fr;
  }

  .fee-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .fee-amounts {
    margin-top: 0.5rem;
    text-align: left;
  }
}