* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(135deg, #f3f7ff 0%, #eef9f2 100%);
  color: #1f2937;
}

.container {
  max-width: 760px;
  margin: 40px auto;
  padding: 24px;
}

.panel {
  background: #ffffff;
  border-radius: 10px;
  padding: 24px;
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.08);
}

h1 {
  margin: 0 0 16px;
  font-size: 28px;
}

.subtext {
  margin: 0 0 24px;
  color: #4b5563;
}

.field {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
}

label {
  font-weight: 600;
}

select,
input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #cfd8e3;
  border-radius: 8px;
  font-size: 14px;
  background: #fff;
}

.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

button {
  margin-top: 8px;
  background: #0069d9;
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 12px 18px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
}

button:hover {
  background: #0057b6;
}

button:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

.status {
  margin-top: 12px;
  min-height: 24px;
}

.status.error {
  color: #b42318;
}

.status.success {
  color: #067647;
}

.table-wrap {
  margin-top: 24px;
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

th,
td {
  border-bottom: 1px solid #e5e7eb;
  padding: 10px 8px;
  text-align: left;
}

th {
  color: #111827;
  background: #f9fafb;
}

@media (max-width: 640px) {
  .container {
    margin: 16px auto;
    padding: 12px;
  }

  .panel {
    padding: 16px;
  }

  .grid {
    grid-template-columns: 1fr;
  }
}