/* Minimal & Smart UI */
body {
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial,
    sans-serif;
  background: #f5f7fa;
  margin: 0;
  color: #333;
}
header {
  background: #2d89ef;
  color: #fff;
  padding: 1rem;
  text-align: center;
}
.container {
  max-width: 900px;
  margin: 2rem auto;
  padding: 1rem;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}
button,
input[type="submit"] {
  background: #2d89ef;
  border: none;
  color: #fff;
  padding: 0.4rem 0.9rem;
  border-radius: 4px;
  cursor: pointer;
}
button.success {
  background: #3ce02d;
}
button.danger {
  background: #e03e2d;
}
section {
  margin-bottom: 2rem;
}
.field {
  margin-bottom: 0.8rem;
}
.field label {
  display: block;
  margin-bottom: 0.3rem;
  font-weight: 600;
}
.field input {
  width: 100%;
  padding: 0.4rem;
  border: 1px solid #ccc;
  border-radius: 4px;
}
#statusLabel {
  margin-right: 1rem;
  font-weight: 700;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
}
th,
td {
  border-bottom: 1px solid #e5e5e5;
  padding: 0.5rem;
  text-align: center;
}
.action-btns button {
  margin: 0 3px;
}
.alert {
  padding: 0.5rem 1rem;
  border-radius: 4px;
  margin-bottom: 1rem;
}
.alert-success {
  background: #d7f5d7;
  color: #2e7d32;
}
.alert-error {
  background: #fbd9d9;
  color: #c62828;
}