body {
  background: #ffffff;
  color: #000000;
  font-family: Times, "Times New Roman", serif;
  font-size: 16px;
  max-width: 560px;
  margin: 40px auto;
  padding: 0 16px;
  line-height: 1.5;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid #000000;
}

h1 {
  font-size: 28px;
  margin: 0 0 4px;
}

.header-nav {
  display: flex;
  gap: 16px;
  font-size: 15px;
}

.header-nav a {
  text-decoration: none;
  color: #555555;
}

.header-nav a:hover {
  color: #000000;
}

h2 {
  font-size: 20px;
  margin: 0 0 6px;
}

h3 {
  font-size: 16px;
  margin: 16px 0 6px;
  font-weight: bold;
}

.tagline {
  font-style: italic;
  color: #555555;
  margin: 0 0 20px;
}

a {
  color: #555555;
}

a:visited {
  color: #555555;
}

hr {
  border: none;
  border-top: 1px solid #000000;
  margin: 20px 0;
}

ol, ul {
  padding-left: 24px;
}

input {
  font-family: Times, "Times New Roman", serif;
  font-size: 15px;
  border: 1px solid #000000;
  padding: 6px 8px;
  width: 100%;
  max-width: 300px;
}

button {
  font-family: Times, "Times New Roman", serif;
  font-size: 15px;
  background: #ffffff;
  border: 1px solid #000000;
  padding: 6px 12px;
  cursor: pointer;
  margin-top: 8px;
  margin-right: 8px;
}

button:hover {
  background: #000000;
  color: #ffffff;
}

button.delete {
  border-color: #cc0000;
  color: #cc0000;
}

button.delete:hover {
  background: #cc0000;
  color: #ffffff;
}

.section {
  margin: 8px 0 16px;
  padding-top: 0px;
}

.section:nth-of-type(n+3) {
  border-top: 1px solid #000000;
  padding-top: 8px;
}

.status {
  font-family: "Courier New", Courier, monospace;
  border: 1px solid #000000;
  padding: 10px 14px;
  margin: 20px 0;
}

footer {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid #000000;
  font-size: 13px;
  color: #555555;
}

footer hr {
  display: none;
}

.links {
  margin: 0;
}

.links a {
  color: #555555;
  text-decoration: underline;
}

.links a.current {
  display: none;
}

.links a + a {
  border-left: 1px solid #999999;
  margin-left: 10px;
  padding-left: 10px;
}

.links a.current + a {
  border-left: none;
}

.links a:last-child {
  border-left: none;
}

.disclaimer {
  font-size: 12px;
  color: #888888;
  margin: 10px 0 0;
}

.loading {
  color: #666666;
  font-style: italic;
}

.error {
  color: #cc0000;
  margin: 10px 0;
}

.success {
  color: #008000;
  margin: 10px 0;
}

code-block, pre {
  font-family: "Courier New", Courier, monospace;
  background: #f5f5f5;
  border: 1px solid #cccccc;
  padding: 10px 12px;
  margin: 10px 0;
  overflow-x: auto;
  font-size: 13px;
  line-height: 1.4;
  white-space: pre;
  word-wrap: break-word;
}

.webhook-item {
  border: 1px solid #cccccc;
  padding: 10px 12px;
  margin: 8px 0;
  background: #fafafa;
  font-size: 14px;
}

.webhook-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.webhook-time {
  color: #666666;
  font-size: 12px;
}

.webhook-payload {
  font-family: "Courier New", Courier, monospace;
  font-size: 12px;
  white-space: pre-wrap;
  word-break: break-all;
  margin-top: 6px;
  max-height: 150px;
  overflow-y: auto;
  background: #ffffff;
  padding: 6px;
  border: 1px solid #ddd;
}

.url-display {
  font-family: "Courier New", Courier, monospace;
  background: #f5f5f5;
  border: 1px solid #000000;
  padding: 10px 12px;
  margin: 10px 0;
  word-break: break-all;
  font-size: 13px;
  cursor: pointer;
}

.url-display:hover {
  background: #e8e8e8;
}

.markdown-badge {
  display: inline-block;
  background: #000000;
  color: #ffffff;
  font-size: 11px;
  padding: 2px 6px;
  margin-left: 8px;
  font-family: "Courier New", Courier, monospace;
  font-weight: bold;
}

.webhook-markdown {
  padding: 10px 12px;
  margin-top: 6px;
  background: #ffffff;
  border: 1px solid #ddd;
  line-height: 1.6;
  word-wrap: break-word;
}

.webhook-markdown h1 {
  font-size: 20px;
  margin: 12px 0 6px;
  font-weight: bold;
  border-bottom: 1px solid #cccccc;
  padding-bottom: 4px;
}

.webhook-markdown h2 {
  font-size: 18px;
  margin: 10px 0 4px;
  font-weight: bold;
}

.webhook-markdown h3 {
  font-size: 16px;
  margin: 8px 0 4px;
  font-weight: bold;
}

.webhook-markdown p {
  margin: 6px 0;
}

.webhook-markdown ul, .webhook-markdown ol {
  margin: 6px 0;
  padding-left: 24px;
}

.webhook-markdown li {
  margin: 2px 0;
}

.webhook-markdown code {
  background: #f5f5f5;
  padding: 2px 6px;
  font-family: "Courier New", Courier, monospace;
  font-size: 13px;
  border-radius: 2px;
}

.webhook-markdown pre {
  background: #f5f5f5;
  border: 1px solid #cccccc;
  padding: 10px;
  overflow-x: auto;
  margin: 8px 0;
  font-size: 12px;
}

.webhook-markdown pre code {
  background: none;
  padding: 0;
}

.webhook-markdown blockquote {
  border-left: 3px solid #cccccc;
  padding-left: 10px;
  margin-left: 0;
  color: #666666;
}

.webhook-markdown a {
  color: #0000ee;
  text-decoration: underline;
}

.webhook-markdown strong {
  font-weight: bold;
}

.webhook-markdown em {
  font-style: italic;
}

.copy-btn {
  font-family: "Courier New", Courier, monospace;
  font-size: 11px;
  background: #ffffff;
  border: 1px solid #cccccc;
  padding: 2px 6px;
  cursor: pointer;
  margin-left: 8px;
  vertical-align: middle;
}

.copy-btn:hover {
  background: #e8e8e8;
}

.channels-table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0 20px;
  font-size: 14px;
}

.channels-table th {
  text-align: left;
  padding: 8px 0;
  border-bottom: 2px solid #000000;
  font-weight: bold;
}

.channels-table td {
  padding: 8px 0;
  border-bottom: 1px solid #cccccc;
  vertical-align: middle;
}

.channels-table tr:hover {
  background: #fafafa;
}

.channel-name-input {
  font-family: Times, "Times New Roman", serif;
  font-size: 14px;
  border: 1px solid #cccccc;
  padding: 4px 6px;
  width: 200px;
  max-width: 100%;
}

.channels-table code {
  font-family: "Courier New", Courier, monospace;
  font-size: 12px;
  background: #f5f5f5;
  padding: 2px 4px;
}

.checkbox-line {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 16px 0;
  font-size: 14px;
  max-width: 480px;
}

.checkbox-line input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
  accent-color: #000000;
  margin: 0;
}

.checkbox-line label {
  cursor: pointer;
  user-select: none;
  margin: 0;
}

.activity-item {
  border: 1px solid #cccccc;
  padding: 10px 12px;
  margin: 8px 0;
  background: #fafafa;
  font-size: 13px;
}

.activity-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
  gap: 10px;
}

.activity-channel {
  font-weight: bold;
  color: #000000;
  font-family: "Courier New", Courier, monospace;
  font-size: 12px;
}

.activity-time {
  color: #666666;
  font-size: 12px;
  white-space: nowrap;
}

.activity-preview {
  font-family: "Courier New", Courier, monospace;
  font-size: 12px;
  color: #555555;
  background: #ffffff;
  padding: 6px;
  border: 1px solid #ddd;
  margin: 6px 0;
  word-break: break-all;
  max-height: 60px;
  overflow: hidden;
}

.activity-link {
  margin-top: 6px;
}

.activity-link a {
  font-size: 12px;
}

dl {
  margin: 0;
}

dt {
  font-weight: bold;
  margin-top: 12px;
  margin-bottom: 4px;
}

dd {
  margin: 0 0 0 20px;
  color: #555555;
}