:root {
  color-scheme: light;
  font-family: Arial, Helvetica, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: #f3f4f6;
  color: #111827;
}

.container {
  max-width: 720px;
  margin: 32px auto;
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  padding: 24px;
}

h1 {
  margin-top: 0;
}

.subtitle {
  margin-top: 0;
  color: #4b5563;
}

form {
  display: grid;
  gap: 10px;
}

label {
  font-weight: 600;
}

select,
textarea,
button {
  width: 100%;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid #d1d5db;
  font: inherit;
}

textarea {
  resize: vertical;
}

button {
  background: #111827;
  color: #ffffff;
  cursor: pointer;
  border: none;
}

button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.hint {
  color: #6b7280;
}

.status {
  margin-top: 20px;
  border-top: 1px solid #e5e7eb;
  padding-top: 16px;
}

.status h2 {
  margin: 0 0 8px;
  font-size: 1rem;
}

.status ul {
  margin: 0;
  padding-left: 18px;
}

.message {
  margin-top: 14px;
  min-height: 1.2em;
  font-weight: 600;
}

.message.error {
  color: #b91c1c;
}

.message.success {
  color: #047857;
}

.admin-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.admin-actions button {
  width: auto;
}

.table-wrap {
  overflow-x: auto;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
}

.admin-table th,
.admin-table td {
  border: 1px solid #e5e7eb;
  padding: 8px;
  text-align: left;
  vertical-align: top;
}

.admin-table thead {
  background: #f9fafb;
}