:root {
  color-scheme: light;
  --bg: #f6f7f9;
  --panel: #ffffff;
  --text: #1d2430;
  --muted: #667085;
  --border: #d9dee7;
  --accent: #146c5f;
  --accent-dark: #0f5248;
  --danger-bg: #fff2f0;
  --danger-border: #ffb4a8;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.5;
}

a {
  color: var(--accent);
}

.topbar {
  align-items: center;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  min-height: 64px;
  padding: 0 32px;
}

.brand {
  color: var(--text);
  font-size: 20px;
  font-weight: 700;
  text-decoration: none;
}

.nav {
  align-items: center;
  display: flex;
  gap: 16px;
}

.nav form {
  margin: 0;
}

.shell {
  margin: 0 auto;
  max-width: 1040px;
  padding: 32px;
}

.auth-panel,
.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  margin: 32px auto;
  max-width: 520px;
  padding: 28px;
}

.panel {
  max-width: none;
}

.page-heading {
  align-items: flex-end;
  display: flex;
  justify-content: space-between;
  margin-bottom: 24px;
}

h1,
h2,
p {
  margin-top: 0;
}

.muted {
  color: var(--muted);
}

.form {
  display: grid;
  gap: 16px;
}

label {
  color: var(--text);
  display: grid;
  font-weight: 600;
  gap: 6px;
}

input {
  border: 1px solid var(--border);
  border-radius: 6px;
  font: inherit;
  padding: 10px 12px;
}

select,
textarea {
  border: 1px solid var(--border);
  border-radius: 6px;
  font: inherit;
  padding: 10px 12px;
}

textarea {
  resize: vertical;
}

button {
  background: var(--accent);
  border: 0;
  border-radius: 6px;
  color: white;
  cursor: pointer;
  font: inherit;
  font-weight: 700;
  padding: 10px 14px;
}

.button-link {
  background: var(--accent);
  border-radius: 6px;
  color: white;
  display: inline-block;
  font-weight: 700;
  padding: 10px 14px;
  text-decoration: none;
}

.button-link:hover {
  background: var(--accent-dark);
}

.section-header {
  align-items: center;
  display: flex;
  justify-content: space-between;
  margin-bottom: 16px;
}

.section-header h2 {
  margin: 0;
}

.card-list {
  display: grid;
  gap: 12px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.card-list li {
  border: 1px solid var(--border);
  border-radius: 8px;
  display: grid;
  gap: 4px;
  padding: 14px;
}

.card-list a {
  font-weight: 700;
}

.card-list span {
  color: var(--muted);
}

.prose {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 20px;
  padding: 14px;
  white-space: pre-wrap;
}

.response {
  background: #101828;
  border-radius: 8px;
  color: #f8fafc;
  font-family: Consolas, Monaco, monospace;
  line-height: 1.5;
  overflow-x: auto;
  padding: 16px;
  white-space: pre-wrap;
}

button:hover {
  background: var(--accent-dark);
}

.notice {
  background: var(--danger-bg);
  border: 1px solid var(--danger-border);
  border-radius: 6px;
  margin-bottom: 16px;
  padding: 12px;
}

.notice p {
  margin: 0;
}

.success {
  background: #edfdf6;
  border: 1px solid #8ee0bf;
  border-radius: 6px;
  margin-bottom: 16px;
  padding: 12px;
}

.success p {
  margin: 0;
}

.details {
  display: grid;
  gap: 12px;
  margin: 0;
}

.details div {
  border-top: 1px solid var(--border);
  display: grid;
  gap: 4px;
  padding-top: 12px;
}

.details dt {
  color: var(--muted);
  font-weight: 700;
}

.details dd {
  margin: 0;
}

.grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-bottom: 24px;
}

.metric {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
}

.metric span {
  color: var(--muted);
  display: block;
}

.metric strong {
  display: block;
  font-size: 34px;
  margin-top: 8px;
}

.event-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.event-list li {
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  padding: 12px 0;
}

@media (max-width: 720px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
    padding: 16px;
  }

  .shell {
    padding: 16px;
  }

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

  .event-list li {
    display: block;
  }
}