body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f6f7f9;
  color: #222;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px;
}

h1 {
  margin-bottom: 8px;
}

.intro {
  color: #555;
  max-width: 800px;
}

.card {
  background: #fff;
  padding: 24px;
  margin: 24px 0;
  border-radius: 12px;
  box-shadow: 0 1px 8px rgba(0, 0, 0, 0.08);
}

label {
  display: block;
  font-weight: bold;
  margin-top: 16px;
  margin-bottom: 6px;
}

input {
  width: 100%;
  max-width: 700px;
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 6px;
}

button {
  margin-top: 16px;
  padding: 10px 16px;
  border: none;
  background: #1a73e8;
  color: white;
  border-radius: 6px;
  cursor: pointer;
}

button:hover {
  background: #1558b0;
}

button:disabled {
  background: #999;
  cursor: not-allowed;
}

button.danger {
  background: #d93025;
  margin-top: 0;
}

button.danger:hover {
  background: #a50e0e;
}

.rule-form {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr auto;
  gap: 12px;
  align-items: end;
}

.rule-form input {
  max-width: none;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 16px;
  font-size: 14px;
}

th,
td {
  border-bottom: 1px solid #ddd;
  padding: 10px;
  text-align: left;
  vertical-align: top;
}

th {
  background: #f1f3f4;
}

code {
  background: #f1f3f4;
  padding: 2px 5px;
  border-radius: 4px;
}

.url-cell {
  word-break: break-all;
  font-size: 12px;
}

.error {
  color: #d93025;
  font-weight: bold;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 20px;
}

.summary-grid div {
  background: #f1f3f4;
  border-radius: 8px;
  padding: 16px;
}

.summary-grid strong {
  display: block;
  margin-bottom: 8px;
  color: #555;
}

.summary-grid span {
  font-size: 28px;
  font-weight: bold;
}
.section-note {
  color: #555;
  margin-top: -6px;
  margin-bottom: 18px;
}