/* admin.css – clean, neutral styling */
body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  margin: 0;
  padding: 0;
  background: #f0f2f5;
  color: #333;
}
.login-container {
  max-width: 400px;
  margin: 100px auto;
  background: white;
  padding: 30px;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}
.login-container h2 {
  text-align: center;
  margin-bottom: 20px;
}
.login-container input {
  width: 100%;
  padding: 10px;
  margin: 8px 0;
  border: 1px solid #ccc;
  border-radius: 4px;
}
.login-container button {
  width: 100%;
  padding: 10px;
  background: #1a73e8;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}
.login-container button:hover {
  background: #1557b0;
}
.dashboard {
  max-width: 1200px;
  margin: 20px auto;
  background: white;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}
.dashboard header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid #ddd;
  padding-bottom: 10px;
}
.dashboard header button {
  background: #dc3545;
  color: white;
  border: none;
  padding: 8px 16px;
  border-radius: 4px;
  cursor: pointer;
}
nav {
  margin: 20px 0;
}
.tab-btn {
  padding: 8px 16px;
  margin-right: 10px;
  border: 1px solid #ccc;
  background: white;
  cursor: pointer;
  border-radius: 4px;
}
.tab-btn.active {
  background: #1a73e8;
  color: white;
  border-color: #1a73e8;
}
.tab-pane {
  display: none;
}
.tab-pane.active {
  display: block;
}
table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 20px;
}
table th, table td {
  border: 1px solid #ddd;
  padding: 8px;
  text-align: left;
}
table th {
  background: #f2f2f2;
}
.delete-btn {
  background: #dc3545;
  color: white;
  border: none;
  padding: 4px 8px;
  border-radius: 4px;
  cursor: pointer;
}
#uploadForm input, #uploadForm button {
  margin: 5px;
  padding: 8px;
}
#kvResult {
  background: #f8f9fa;
  padding: 10px;
  border-radius: 4px;
  white-space: pre-wrap;
}
#passwordForm input {
  display: block;
  width: 100%;
  max-width: 300px;
  padding: 8px;
  margin: 8px 0;
}
#passwordForm button {
  padding: 8px 16px;
  background: #1a73e8;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}
#pwdMessage {
  margin-top: 10px;
  color: green;
}