body {
  margin: 0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(135deg, #667eea, #764ba2);
  color: #333;
}

/* Container */
.container {
  max-width: 900px;
  margin: 50px auto;
  background: white;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

/* Heading */
h1 {
  text-align: center;
  margin-bottom: 20px;
}

/* Form */
.form {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 25px;
}

input {
  padding: 12px;
  width: 60%;
  border: 1px solid #ccc;
  border-radius: 8px;
  outline: none;
  font-size: 14px;
}

input:focus {
  border-color: #667eea;
}

/* Button */
button {
  padding: 12px 20px;
  border: none;
  background: #667eea;
  color: white;
  border-radius: 8px;
  cursor: pointer;
  transition: 0.3s;
}

button:hover {
  background: #5a67d8;
}

/* Table */
table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 10px;
}

th {
  background: #667eea;
  color: white;
  padding: 12px;
}

td {
  padding: 10px;
  border-bottom: 1px solid #ddd;
}

tr:hover {
  background: #f5f5f5;
}

/* Links */
a {
  color: #667eea;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* Dashboard title */
h2 {
  text-align: center;
  margin-top: 20px;
}
#message {
  text-align: center;
  margin-bottom: 10px;
  font-weight: bold;
}

.success {
  color: green;
}

.error {
  color: red;
}

button.copy-btn {
  background: #48bb78;
  padding: 6px 10px;
  font-size: 12px;
}

button.copy-btn:hover {
  background: #38a169;
}