* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: Arial, sans-serif;
}

body {
  background-color: #f4f7f6;
  color: #333;
  display: flex;
  justify-content: center;
  padding: 20px;
}

.hidden { display: none !important; }

.card {
  background: white;
  padding: 30px;
  border-radius: 8px;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
  text-align: center;
  margin-top: 50px;
}

#app-container {
  width: 100%;
  max-width: 900px;
  background: white;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 2px solid #eee;
  padding-bottom: 10px;
}

.actions {
  display: flex;
  gap: 15px;
  margin: 20px 0;
  align-items: center;
}

.btn {
  padding: 8px 16px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  background-color: #e0e0e0;
  text-decoration: none;
  color: #333;
}

.btn-primary { background-color: #0066cc; color: white; }
.btn-google { background-color: #db4437; color: white; display: inline-block; margin-top: 15px; }
.btn-small { padding: 4px 8px; font-size: 0.8em; }

.breadcrumb {
  background: #f8f9fa;
  padding: 8px 12px;
  border-radius: 4px;
  margin-bottom: 15px;
}

.file-list ul {
  list-style: none;
}

.file-list li {
  padding: 10px;
  border-bottom: 1px solid #eee;
  display: flex;
  align-items: center;
  gap: 10px;
}

.file-list li.folder {
  font-weight: bold;
  cursor: pointer;
  color: #0066cc;
}

.error {
  color: red;
  margin-top: 10px;
}