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

body {
  margin: 0;
  padding: 20px;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(135deg, #d0f5dd, #a7ebc9);
  min-height: 100vh;
}

/* 
  --------------
  Typography
  --------------
*/
h1 {
  color: #0b6b3f;
  margin-bottom: 1.5rem;
  font-size: 1.8rem;
  font-weight: 600;
  text-align: center;
}

h2 {
  color: #0b6b3f;
  margin: 1rem 0;
  font-size: 1.4rem;
}

p {
  margin-bottom: 1rem;
  line-height: 1.5;
  color: #333;
}

/* 
  --------------
  Containers
  --------------
*/
.upload-container, .map-container {
  background-color: #ffffff;
  width: 90%;
  max-width: 1200px;
  padding: 2rem 1.5rem;
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  margin: 2rem auto;
}

.upload-container {
  max-width: 600px;
}

/* 
  --------------
  Form Elements
  --------------
*/
form {
  margin: 1rem 0;
}

input[type="text"],
input[type="file"] {
  width: 100%;
  padding: 0.8rem;
  margin: 0.5rem 0;
  border: 1px solid #ccc;
  border-radius: 4px;
  font-size: 1rem;
}

label {
  display: block;
  margin-bottom: 0.5rem;
  color: #0b6b3f;
  font-weight: 500;
}

/* 
  --------------
  Buttons
  --------------
*/
.btn-upload,
#downloadButton,
button[type="submit"] {
  background-color: #0b6b3f;
  color: white;
  padding: 0.8rem 1.5rem;
  border: none;
  border-radius: 4px;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s ease;
  display: inline-block;
}

.btn-upload:hover,
#downloadButton:hover,
button[type="submit"]:hover {
  background-color: #094d2e;
  transform: translateY(-2px);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.btn-upload:active,
#downloadButton:active,
button[type="submit"]:active {
  transform: translateY(0);
}

/* 
  --------------
  Map Styles
  --------------
*/
#map {
  width: 100%;
  height: 600px;
  border: 2px solid #ccc;
  border-radius: 8px;
  margin-bottom: 1.5rem;
}

.distance-label {
  background-color: rgba(255, 255, 255, 0.9);
  border: 1px solid #0b6b3f;
  border-radius: 4px;
  padding: 2px 6px;
  font-size: 14px;
  pointer-events: none;
}

/* 
  --------------
  Table Styles
  --------------
*/
.table-container {
  max-height: 300px;
  overflow-y: auto;
  border: 1px solid #ccc;
  border-radius: 5px;
  margin: 1rem 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: white;
}

th, td {
  padding: 0.8rem;
  text-align: left;
  border-bottom: 1px solid #ddd;
}

th {
  background-color: #f5f5f5;
  color: #0b6b3f;
  font-weight: 600;
}

tr:hover {
  background-color: #f9f9f9;
}

/* 
  --------------
  Responsive Design
  --------------
*/
@media (max-width: 768px) {
  body {
    padding: 10px;
  }

  .upload-container,
  .map-container {
    width: 95%;
    padding: 1rem;
  }

  #map {
    height: 400px;
  }

  h1 {
    font-size: 1.5rem;
  }

  .btn-upload,
  #downloadButton,
  button[type="submit"] {
    padding: 0.6rem 1.2rem;
    font-size: 0.9rem;
  }
}

/* 
  --------------
  Utility Classes
  --------------
*/
.text-center {
  text-align: center;
}

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }