body {
  font-family: Arial, sans-serif;
  background: #0f172a;
  color: #fff;
  margin: 0;
}

.nav {
  background: #020617;
  padding: 12px;
}
.nav a {
  color: #38bdf8;
  margin-right: 15px;
  text-decoration: none;
  font-weight: bold;
}

.container {
  padding: 20px;
}

.card {
  width: 300px;
  margin: 100px auto;
  background: #020617;
  padding: 20px;
  border-radius: 10px;
  text-align: center;
}

input {
  width: 100%;
  padding: 10px;
  margin: 10px 0;
  border-radius: 6px;
  border: none;
}

button {
  padding: 10px;
  width: 100%;
  background: #38bdf8;
  border: none;
  border-radius: 6px;
  cursor: pointer;
}

.error {
  color: red;
}

.stats {
  display: flex;
  gap: 20px;
}
.box {
  background: #020617;
  padding: 20px;
  border-radius: 10px;
  width: 200px;
  text-align: center;
}

.form-inline {
  display: flex;
  gap: 10px;
  margin-bottom: 15px;
}

.list {
  background: #020617;
  padding: 10px;
  margin: 5px 0;
  border-radius: 6px;
}
.del {
  float: right;
  color: red;
  text-decoration: none;
}

table {
  width: 100%;
  background: #020617;
  border-collapse: collapse;
}
th, td {
  padding: 10px;
  border-bottom: 1px solid #1e293b;
}