* { box-sizing: border-box; }
body { font-family: "Segoe UI", sans-serif; background: #f0f2f5; margin: 0; padding: 0; color: #333; }
header { background: #2d3e50; color: white; padding: 15px 20px; display: flex; align-items: center; box-shadow: 0 2px 4px rgba(0,0,0,0.1); }
header img { height: 40px; margin-right: 15px; }
.container { padding: 30px 20px; max-width: 960px; margin: 20px auto; background: white; border-radius: 8px; box-shadow: 0 0 10px rgba(0,0,0,0.08); }
h1, h2, h3 { margin-top: 0; }
form { margin-top: 10px; }
input[type="text"], input[type="password"], input[type="file"], select {
  width: 100%; max-width: 500px; padding: 10px; margin-bottom: 15px;
  border: 1px solid #ccc; border-radius: 4px;
}
button {
  padding: 10px 20px; background: #007bff; border: none;
  color: white; border-radius: 4px; cursor: pointer; transition: background 0.3s;
}
button:hover { background: #0056b3; }
ul { list-style: none; padding: 0; }
li {
  background: #f8f9fa; margin: 5px 0; padding: 10px;
  border-radius: 4px; display: flex; justify-content: space-between; align-items: center;
}
a.download {
  margin-left: auto;
  padding: 6px 12px;
  background-color: #198754;
  color: white !important;
  border-radius: 4px;
  font-size: 14px;
  text-decoration: none;
  border: none;
  transition: background-color 0.3s;
}
a.download:hover {
  background-color: #146c43;
}
a.button-like {
  display: inline-block;
  padding: 8px 16px;
  background-color: #007bff;
  color: white !important;
  border-radius: 4px;
  text-decoration: none;
  font-size: 14px;
  transition: background-color 0.3s;
  user-select: none;
  cursor: pointer;
}
a.button-like:hover {
  background-color: #0056b3;
}
footer { text-align: center; font-size: 12px; padding: 20px; color: #777; }
.message-success {
  background: #d1e7dd; color: #0f5132; padding: 12px 15px;
  border-left: 5px solid #198754; border-radius: 5px; margin-bottom: 20px;
}
.section { margin-bottom: 40px; }
#searchInput { width: 100%; padding: 10px; margin-bottom: 20px; border-radius: 4px; border: 1px solid #ccc; }

a.btn-delete {
  margin-left: 10px;
  padding: 6px 12px;
  background-color: #dc3545;
  color: white !important;
  border-radius: 4px;
  font-size: 14px;
  text-decoration: none;
  border: none;
  transition: background-color 0.3s;
}
a.btn-delete:hover {
  background-color: #a71d2a;
}