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

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  color: #333;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 20px;
}

.header {
  text-align: center;
  color: white;
  margin-bottom: 30px;
}

.card {
  background: white;
  border-radius: 10px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  margin-bottom: 20px;
  padding: 20px;
}

.form-group {
  margin-bottom: 15px;
}

label {
  display: block;
  margin-bottom: 5px;
  font-weight: bold;
}

input,
button,
select {
  width: 100%;
  padding: 10px;
  border: 1px solid #ddd;
  border-radius: 5px;
  font-size: 14px;
}

button {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border: none;
  cursor: pointer;
  font-weight: bold;
  transition: transform 0.2s;
  margin-top: 10px;
}

button:hover {
  transform: translateY(-2px);
}

button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.result {
  background: #f8f9fa;
  padding: 15px;
  border-radius: 5px;
  font-family: monospace;
  font-size: 12px;
  max-height: 300px;
  overflow-y: auto;
  white-space: pre-wrap;
}

.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

/* Status Messages */
.status {
  padding: 10px;
  border-radius: 5px;
  margin: 10px 0;
}

.success {
  background: #d4edda;
  color: #155724;
}

.error {
  background: #f8d7da;
  color: #721c24;
}

.info {
  background: #d1ecf1;
  color: #0c5460;
}

.warning {
  background: #fff3cd;
  color: #856404;
}

/* Map Styles */
#map {
  height: 400px;
  width: 100%;
  border-radius: 10px;
  margin: 10px 0;
}

.map-instructions {
  background: #e8f4fd;
  border-left: 4px solid #007bff;
  padding: 15px;
  margin: 15px 0;
  border-radius: 5px;
  font-size: 14px;
}

.coordinate-display {
  background: #f8f9fa;
  padding: 15px;
  border-radius: 8px;
  margin: 15px 0;
  border: 1px solid #dee2e6;
}

.coordinate-display div {
  margin: 8px 0;
  font-size: 14px;
}

.register-btn {
  background: #28a745 !important;
  font-size: 16px;
  padding: 12px 24px;
  margin: 15px 0;
}

.register-btn:hover {
  background: #218838 !important;
}

#addressSection {
  background: #f8f9fa;
  padding: 15px;
  border-radius: 8px;
  margin: 15px 0;
  border: 1px solid #dee2e6;
}

#addressSection small {
  display: block;
  margin-top: 5px;
  font-style: italic;
}

/* QR Code Responsive Styling */
#qrCodeCanvas {
  max-width: 100% !important;
  height: auto !important;
}

#qrCodeCanvas img,
#qrCodeCanvas canvas {
  max-width: 100% !important;
  height: auto !important;
  border-radius: 8px;
}

/* Premium/Payment Styles */
.pricing-card {
  border: 2px solid #ddd;
  border-radius: 10px;
  padding: 20px;
  text-align: center;
  transition: all 0.3s;
}

.pricing-card:hover {
  border-color: #667eea;
  box-shadow: 0 6px 12px rgba(102, 126, 234, 0.2);
}

.pricing-card.recommended {
  border-color: #28a745;
  box-shadow: 0 4px 12px rgba(40, 167, 69, 0.3);
}

.price {
  font-size: 36px;
  font-weight: bold;
  color: #667eea;
  margin: 15px 0;
}

.price-currency {
  font-size: 18px;
}

.price-period {
  font-size: 14px;
  color: #666;
}

.features-list {
  list-style: none;
  padding: 20px 0;
  text-align: left;
}

.features-list li {
  padding: 8px 0;
  position: relative;
  padding-left: 25px;
}

.features-list li:before {
  content: "✓";
  position: absolute;
  left: 0;
  color: #28a745;
  font-weight: bold;
}

.upgrade-btn {
  background: #28a745 !important;
}

.upgrade-btn:hover {
  background: #218838 !important;
}

/* Modal Overlay Styles */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  z-index: 9999;
  overflow-y: auto;
  padding: 20px;
}

.modal-content {
  position: relative;
  background: white;
  border-radius: 10px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: translateY(-50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive Design */
@media (max-width: 768px) {
  .grid {
    grid-template-columns: 1fr;
    gap: 15px;
  }

  .container {
    padding: 10px;
  }

  .card {
    margin: 10px 0;
  }

  input,
  button,
  select {
    font-size: 16px; /* Prevent zoom on iOS */
  }

  #map {
    height: 300px !important;
  }
}

@media (max-width: 480px) {
  .coordinate-display {
    padding: 10px;
    font-size: 13px;
  }

  .coordinate-display div {
    margin: 6px 0;
    word-break: break-all;
  }

  .map-instructions {
    padding: 10px;
    font-size: 13px;
  }

  .register-btn {
    padding: 10px 20px;
    font-size: 14px;
  }

  #adminSection .card {
    padding: 15px;
  }

  #adminSection input {
    margin-bottom: 10px;
  }

  .result {
    font-size: 11px;
    max-height: 200px;
    padding: 10px;
  }

  button[onclick="downloadQR()"] {
    padding: 10px 16px;
    font-size: 14px;
    margin-top: 10px;
  }

  .price {
    font-size: 28px;
  }
}

/* Admin Section Desktop Layout */
@media (min-width: 769px) {
  #adminSection .grid {
    grid-template-columns: 1fr;
  }

  #adminSection .card {
    max-width: none;
  }

  .lookup-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin: 20px 0;
  }

  .lookup-group {
    display: flex;
    flex-direction: column;
  }

  .lookup-group .form-group {
    margin-bottom: 15px;
  }

  .lookup-group button {
    margin-top: auto;
    align-self: flex-start;
    width: auto;
    min-width: 200px;
  }

  .lookup-result-full {
    grid-column: 1 / -1;
    margin-top: 20px;
  }
}