:root {
  --bg: #ffffff;
  --panel: #f7f6f1;
  --text: #1b1a17;
  --muted: #57534b;
  --line: #b9b4a8;
  --link: #0000cc;
  --visited: #551a8b;
  --code-bg: #f3f1e9;
  --danger: #9b2c2c;
  --ok: #2f6b3a;
}

[data-theme="dark"] {
  color-scheme: dark;
  --bg: #121110;
  --panel: #1b1a17;
  --text: #ffffff;
  --muted: #aaa396;
  --line: #4a453d;
  --link: #9fc3ff;
  --visited: #c9a9ff;
  --code-bg: #1c1a16;
  --danger: #ef8f8f;
  --ok: #86c996;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Times New Roman", Times, Georgia, serif;
  font-size: 18px;
  line-height: 1.55;
}

a {
  color: var(--link);
  text-decoration: underline;
}

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

a:hover {
  color: var(--text);
}

.theme-corner {
  position: fixed;
  top: 0.6rem;
  left: 0.85rem;
  z-index: 10;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 12px;
  color: var(--link);
  text-decoration: underline;
}

.theme-corner:hover {
  color: var(--text);
}

.page {
  max-width: 960px;
  margin: 0 auto;
  padding: 2.2rem 1.1rem 2.5rem;
}

.site-head {
  text-align: center;
}

.site-head h1 {
  margin: 0.2rem 0 0;
  font-family: "Times New Roman", Times, serif;
  font-size: 2.4rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.subtitle {
  margin: 0.15rem 0 0;
  font-size: 1.1rem;
  font-style: italic;
  color: var(--muted);
}

.site-nav {
  margin: 1rem 0 0.2rem;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 12px;
}

.site-nav a {
  margin: 0 0.4rem;
  white-space: nowrap;
}

hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 1.4rem 0;
}

h2 {
  margin: 2rem 0 0.6rem;
  font-family: "Times New Roman", Times, serif;
  font-size: 1.45rem;
  font-weight: 700;
}

h3 {
  margin: 1.5rem 0 0.4rem;
  font-family: "Times New Roman", Times, serif;
  font-size: 1.15rem;
  font-weight: 700;
}

p {
  margin: 0.65rem 0;
}

ul,
ol {
  margin: 0.6rem 0;
  padding-left: 1.5rem;
}

li {
  margin: 0.25rem 0;
}

.center {
  text-align: center;
}

.measure {
  max-width: 780px;
  margin: 0 auto;
}

.doc {
  max-width: 860px;
  margin: 0 auto;
}

.doc h2 {
  margin-top: 2.1rem;
}

pre {
  margin: 0.9rem 0;
  padding: 0.7rem 0.85rem;
  background: var(--code-bg);
  border: 1px solid var(--line);
  overflow-x: auto;
  font-family: "Courier New", Courier, monospace;
  font-size: 0.78rem;
  line-height: 1.45;
  tab-size: 4;
}

code,
tt,
kbd,
samp {
  font-family: "Courier New", Courier, monospace;
  font-size: 0.88em;
}

.glance {
  margin: 0.8rem auto 1.4rem;
  border-collapse: collapse;
  width: 100%;
  max-width: 620px;
  font-size: 0.95rem;
}

.glance td {
  border: 1px solid var(--line);
  padding: 0.35rem 0.6rem;
}

.glance td:first-child {
  width: 40%;
  color: var(--muted);
}

.news-post {
  margin: 1.5rem 0;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.news-post h3 {
  margin: 0.2rem 0 0.5rem;
  font-size: 1.25rem;
}

.news-post .meta {
  margin: 0;
  color: var(--muted);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 12px;
}

.news-body p {
  margin: 0.55rem 0;
}

.meta {
  color: var(--muted);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 12px;
}

.site-footer {
  margin-top: 2.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  text-align: center;
  color: var(--muted);
  font-size: 0.82rem;
}

.site-footer p {
  margin: 0.15rem 0;
}

/* Admin and forms */

label {
  display: block;
  margin: 0.8rem 0 0.2rem;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 12px;
  font-weight: 700;
}

input[type="text"],
input[type="password"],
input[type="url"],
input[type="email"],
textarea,
select {
  width: 100%;
  padding: 0.45rem 0.5rem;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--line);
  font: inherit;
  font-size: 0.92rem;
}

textarea {
  min-height: 8rem;
  resize: vertical;
}

input:focus,
textarea:focus,
select:focus {
  outline: 1px dotted var(--text);
  outline-offset: 1px;
}

.btn {
  display: inline-block;
  padding: 0.35rem 0.75rem;
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--line);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 12px;
  cursor: pointer;
  text-decoration: none;
}

.btn:hover {
  border-color: var(--text);
  color: var(--text);
}

.btn.danger {
  color: var(--danger);
  border-color: var(--danger);
}

.btn.small {
  padding: 0.2rem 0.45rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 1rem;
}

.form-actions {
  margin-top: 0.9rem;
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-wrap: wrap;
}

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 1rem 1.1rem;
  margin: 1rem 0;
}

.notice {
  margin: 0.9rem 0;
  padding: 0.5rem 0.65rem;
  border: 1px solid var(--line);
  background: var(--panel);
  font-size: 0.9rem;
}

.notice.error {
  color: var(--danger);
  border-color: var(--danger);
}

.notice.ok {
  color: var(--ok);
  border-color: var(--ok);
}

.hidden {
  display: none !important;
}

.admin-top {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 1rem;
  flex-wrap: wrap;
  margin: 1rem 0;
}

.admin-top h1 {
  margin: 0;
  font-size: 1.8rem;
}

.admin-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 1rem;
  align-items: start;
}

.admin-list {
  list-style: none;
  margin: 0.8rem 0 0;
  padding: 0;
}

.admin-list li {
  display: flex;
  justify-content: space-between;
  gap: 0.8rem;
  align-items: start;
  padding: 0.55rem 0;
  border-top: 1px solid var(--line);
}

.admin-list li:first-child {
  border-top: 0;
}

.admin-list .post-meta {
  color: var(--muted);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 12px;
}

.secret-box {
  margin: 0.5rem 0;
  padding: 0.5rem;
  background: var(--code-bg);
  border: 1px solid var(--line);
  font-family: "Courier New", Courier, monospace;
  font-size: 0.8rem;
  word-break: break-all;
}

.status-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--muted);
  margin-right: 0.25rem;
}

.status-dot.on {
  background: var(--ok);
}

.empty {
  color: var(--muted);
  font-style: italic;
}

@media (max-width: 760px) {
  body {
    font-size: 17px;
  }

  .page {
    padding-top: 2.4rem;
  }

  .site-nav a {
    display: inline-block;
    margin: 0.15rem 0.35rem;
  }

  .form-row,
  .admin-grid {
    grid-template-columns: 1fr;
  }

  .theme-corner {
    font-size: 11px;
  }
}

@media print {
  .theme-corner {
    display: none;
  }

  .site-footer {
    border-top-color: #999;
  }
}