body, html {
  margin: 0;
  font-family: 'Lato', sans-serif;
  width: 1280px;
  height: 800px;
  background: #E4EAF0;
  overflow: hidden;
}
.layout {
  position: relative;
  width: 1280px;
  height: 800px;
}
header {
  height: 60px;
  background: linear-gradient(to right, #AECB36, #188536);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 20px;
  color: white;
}
.section-selector {
  background: #fff;
  padding: 10px 20px;
  cursor: pointer;
  font-weight: bold;
  position: relative;
}
.dropdown {
  display: none;
  position: absolute;
  background: #fff;
  box-shadow: 0 4px 8px rgba(0,0,0,0.2);
  z-index: 100;
}
.dropdown div {
  padding: 10px;
}
.tiles {
  position: relative;
  width: 100%;
  height: 640px;
}
.tile {
  position: absolute;
  background: #fff;
  box-shadow: 0 4px 8px rgba(0,0,0,0.25);
  border-radius: 12px;
  padding: 16px;
  font-weight: bold;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
footer {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  padding: 10px 20px;
  background: #ffffff;
  gap: 10px;
}
button.sub {
  background: #f0f0f0;
  border: none;
  padding: 10px 20px;
  border-radius: 8px;
  cursor: pointer;
}
button.sub.active {
  background: #1B2A49;
  color: white;
}
.modal {
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(0, 0, 0, 0.5);
  display: flex; align-items: center; justify-content: center;
}
.modal.hidden {
  display: none;
}
.modal-content {
  background: white;
  padding: 20px;
  border-radius: 10px;
  width: 400px;
}
.close {
  float: right;
  font-size: 24px;
  cursor: pointer;
}
.edit {
  margin-top: 10px;
}