:root {
  --bg: #07090d;
  --ink: #e8eef6;
  --muted: #8ea0b5;
  --line: rgba(140, 176, 214, 0.16);
  --accent: #3ee0b0;
  --blue: #8ec5ff;
  --warn: #ff8f7a;
  --card: rgba(14, 19, 26, 0.86);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  font-family: "IBM Plex Sans", "PingFang SC", "Noto Sans SC", sans-serif;
  font-size: 17px;
  line-height: 1.65;
  background:
    radial-gradient(900px 420px at 100% -10%, rgba(62, 224, 176, 0.09), transparent 55%),
    radial-gradient(700px 380px at -10% 20%, rgba(142, 197, 255, 0.07), transparent 50%),
    var(--bg);
}
body::before {
  content: "";
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 0;
  background-image: radial-gradient(rgba(232, 238, 246, 0.045) 1px, transparent 1px);
  background-size: 22px 22px;
  mask-image: linear-gradient(180deg, #000 0%, transparent 72%);
}
body > * { position: relative; z-index: 1; }
a { color: var(--blue); text-decoration: none; }
a:hover { color: var(--accent); }
button, input, select, textarea { font: inherit; color: inherit; }
button, .button {
  background: var(--accent);
  color: #06281f;
  border: 1px solid var(--accent);
  border-radius: 999px;
  padding: 0.45rem 1rem;
  cursor: pointer;
  text-decoration: none;
  font-weight: 600;
}
button.secondary, .delete button {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
  font-weight: 500;
}
.delete { margin-top: 1.5rem; }
.delete button { color: var(--warn); }
.button:hover, a.button:hover { color: #06281f; }

.top {
  position: sticky;
  top: 0;
  z-index: 2;
  backdrop-filter: blur(16px);
  background: rgba(7, 9, 13, 0.78);
  border-bottom: 1px solid var(--line);
}
.inner { width: min(1040px, calc(100% - 32px)); margin: 0 auto; }
.top-row, .admin-nav, .search { display: flex; gap: 0.75rem; align-items: center; }
.top-row { justify-content: space-between; flex-wrap: wrap; padding: 14px 0 10px; }
.brand { color: var(--ink); font-weight: 600; letter-spacing: -0.02em; font-size: 1.05rem; }
.brand:hover { color: var(--ink); }
.brand small {
  display: block;
  margin-top: 2px;
  color: var(--accent);
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.12em;
}
.slogan {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 14px;
}
.search input, .filters input, label input, label select, textarea {
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.45rem 0.7rem;
}
.search input, .search button { border-radius: 999px; }
.search input { min-width: 14rem; }
.search input:focus, label input:focus, label select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
}
.search button { color: #06281f; background: var(--accent); cursor: pointer; }
.cats, .children, .tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.cats { padding: 0 0 12px; }
.cats a, .children a, .tags a {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.35;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 10px;
}
.cats a em {
  font-style: normal;
  color: var(--accent);
  margin-left: 6px;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 11px;
}
.cats a:hover, .children a:hover, .tags a:hover {
  border-color: var(--accent);
  color: var(--ink);
}

.wrap { width: min(760px, calc(100% - 32px)); margin: 28px auto 72px; }
.kicker {
  margin: 0 0 8px;
  color: var(--accent);
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 12px;
  letter-spacing: 0.14em;
}
h1 { margin: 0 0 6px; font-size: 32px; letter-spacing: -0.03em; line-height: 1.2; }
.item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 8px 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}
.idx {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  color: var(--accent);
  font-size: 12px;
  padding-top: 5px;
  max-width: 7.5rem;
  overflow-wrap: anywhere;
}
.item h2 { margin: 0 0 6px; font-size: 20px; letter-spacing: -0.02em; line-height: 1.35; }
.item h2 a { color: var(--ink); }
.item h2 a:hover { color: var(--accent); }
.meta, .count, .hint, .desc, .crumbs { color: var(--muted); font-size: 13px; }
.meta { display: flex; flex-wrap: wrap; gap: 8px 14px; margin: 0; }
.excerpt { margin: 8px 0 0; color: #c5d0dc; }
.tags { margin-top: 28px; }
.with-side {
  width: min(1040px, calc(100% - 32px));
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 36px;
  align-items: start;
}
.tagcloud {
  position: sticky;
  top: 92px;
  margin: 0;
}
.chain-ad {
  position: relative;
  margin: 0 0 22px;
  padding: 14px 14px 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--card);
}
.ad-mark {
  position: absolute;
  top: 8px;
  right: 8px;
  padding: 0 5px;
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--muted);
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 10px;
  letter-spacing: 0.08em;
  line-height: 1.6;
}
.chain-stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin: 0 28px 10px 0;
  color: var(--ink);
}
.chain-stat span {
  color: var(--muted);
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.chain-stat strong {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 0;
}
.chain-stat:hover,
.chain-stat:hover strong { color: var(--accent); }
.chain-faucet {
  display: inline-block;
  margin-top: 2px;
  color: var(--blue);
  font-size: 14px;
}
.chain-faucet:hover { color: var(--accent); }
.eco-ad h2 { margin-right: 28px; }
.eco-link {
  display: flex;
  flex-direction: column;
  gap: 1px;
  margin: 0 0 10px;
  color: var(--ink);
}
.eco-link strong { font-size: 15px; font-weight: 600; }
.eco-link span { color: var(--muted); font-size: 12px; }
.eco-link:last-child { margin-bottom: 0; }
.eco-link:hover,
.eco-link:hover strong,
.eco-link:hover span { color: var(--accent); }
.tagcloud h2 {
  margin: 0 0 12px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.14em;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  color: var(--accent);
}
.sphere { display: flex; flex-direction: column; gap: 8px; }
.sphere.is-on {
  position: relative;
  display: block;
  height: 340px;
  cursor: grab;
  touch-action: none;
}
.sphere.is-on:active { cursor: grabbing; }
.sphere.is-on a {
  position: absolute;
  left: 50%;
  top: 50%;
  margin: 0;
  padding: 0;
  border: 0;
  background: none;
  white-space: nowrap;
  line-height: 1.2;
  text-decoration: none;
}
.friends { margin-top: 28px; }
.tagcloud > .friends:first-child { margin-top: 0; }
.friends ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.friends a { color: var(--blue); font-size: 14px; }
.friends a:hover { color: var(--accent); }
.hint { margin: 0; }
.crumbs a { color: var(--blue); }
.pager { display: flex; gap: 1rem; align-items: center; margin-top: 1.4rem; color: var(--muted); }
.foot {
  width: min(760px, calc(100% - 32px));
  margin: 0 auto 40px;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  font-size: 13px;
}
.empty, .notice, .error {
  padding: 0.7rem 0.9rem;
  border-radius: 8px;
  background: var(--card);
  border: 1px solid var(--line);
}
.error { color: var(--warn); }
.notice { color: var(--accent); }

.content { font-size: 17px; }
.content h1, .content h2, .content h3 { line-height: 1.3; margin: 1.4em 0 0.4em; color: var(--ink); }
.content p, .content ul, .content ol, .content pre, .content blockquote, .content table { margin: 0.9em 0; }
.content ul, .content ol { padding-left: 1.3em; }
.content blockquote {
  margin-left: 0;
  padding-left: 1rem;
  border-left: 3px solid var(--accent);
  color: #c5d0dc;
}
.content img { max-width: 100%; height: auto; }
.content pre, .content .chroma {
  overflow-x: auto;
  padding: 14px 16px;
  border-radius: 12px;
  background: #0c1218;
  border: 1px solid var(--line);
  font-size: 13.5px;
  line-height: 1.6;
}
.content code, textarea.markdown, .idx, .kicker, .brand small {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
}
.content :not(pre) > code {
  background: rgba(62, 224, 176, 0.1);
  color: var(--accent);
  padding: 0.1em 0.35em;
  border-radius: 4px;
}
.content table { width: 100%; border-collapse: collapse; display: block; overflow-x: auto; }
.content th, .content td { border: 1px solid var(--line); padding: 0.35rem 0.55rem; text-align: left; }
.content a { overflow-wrap: anywhere; }

.auth { width: min(420px, calc(100% - 2rem)); margin: 3rem auto; }
.auth form, .wrap form label, .grid { display: flex; flex-direction: column; gap: 0.35rem; }
.wrap form { display: flex; flex-direction: column; gap: 0.9rem; }
.grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0.8rem; }
fieldset {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(12, 18, 24, 0.55);
  padding: 14px 16px 16px;
  min-width: 0;
}
legend {
  padding: 0 6px;
  color: var(--accent);
  font-size: 13px;
  letter-spacing: 0.08em;
}
.checks { display: flex; flex-direction: column; gap: 0.25rem; max-height: 16rem; overflow: auto; }
.checks.tags { flex-direction: row; flex-wrap: wrap; max-height: none; }
.check { display: flex; gap: 0.4rem; align-items: center; }
textarea.markdown {
  width: 100%;
  min-height: 24rem;
  line-height: 1.5;
  background: #0c1218;
  color: var(--ink);
  border-color: var(--line);
}
.actions { display: flex; gap: 0.7rem; align-items: center; flex-wrap: wrap; }
.list-head, .filters { display: flex; justify-content: space-between; gap: 0.8rem; align-items: center; flex-wrap: wrap; }
.filters a { text-decoration: none; color: var(--muted); border: 0; padding: 0; }
.filters a.on { color: var(--accent); font-weight: 600; }
table.articles { width: 100%; border-collapse: collapse; }
table.articles th, table.articles td {
  text-align: left;
  padding: 0.7rem 0.3rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
table.articles a { color: var(--ink); }
table.articles a:hover { color: var(--accent); }
.preview { margin-top: 2rem; padding-top: 1rem; border-top: 1px solid var(--line); }
.admin-nav form { margin: 0; }
.admin-nav a { color: var(--ink); }
.admin-nav a:hover { color: var(--accent); }
.admin-nav button {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
  padding: 0.25rem 0.7rem;
  font-weight: 500;
}

body.admin .wrap,
body.admin .foot { width: min(1040px, calc(100% - 32px)); }
body.admin h1 { font-size: 26px; }
body.admin .auth {
  margin-top: 12vh;
  padding: 28px 24px 24px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--card);
}
body.admin .auth .brand { display: inline-block; margin-bottom: 18px; }
body.admin .auth form { gap: 14px; }
body.admin .auth button { align-self: flex-start; }
body.admin .auth .qr { display: block; width: 220px; height: 220px; margin: 8px 0 12px; padding: 8px; background: #fff; border-radius: 8px; }
body.admin .auth code { font-family: "IBM Plex Mono", ui-monospace, monospace; color: var(--accent); }
body.admin .notice,
body.admin .error { margin: 12px 0; }
body.admin .admin-nav a,
body.admin .admin-nav button {
  display: inline-flex;
  align-items: center;
  height: 32px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  font-size: 14px;
  font-weight: 500;
}
body.admin .admin-nav a.on {
  color: #06281f;
  background: var(--accent);
  border-color: var(--accent);
}
body.admin .admin-nav a:hover,
body.admin .admin-nav button:hover {
  color: var(--ink);
  border-color: var(--accent);
}
body.admin .admin-nav a.on:hover { color: #06281f; }
body.admin form label:not(.check) {
  font-size: 13px;
  color: var(--muted);
}
body.admin input:not([type="checkbox"]):not([type="hidden"]),
body.admin select,
body.admin textarea {
  width: 100%;
  background: #0c1218;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  font-size: 15px;
}
body.admin input:not([type="checkbox"]):not([type="hidden"]),
body.admin select {
  height: 36px;
  line-height: 1.2;
  padding: 0 0.75rem;
}
body.admin textarea { line-height: 1.5; padding: 0.55rem 0.75rem; }
body.admin .check input { width: 1rem; height: 1rem; accent-color: var(--accent); }
body.admin .checks:not(.tags) .check {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  width: 100%;
  margin: 0;
  gap: 0.45rem;
  padding-left: calc(var(--depth, 0) * 1.15rem);
}
body.admin .checks:not(.tags) .check input { flex: 0 0 auto; margin-top: 0.28rem; }
body.admin button,
body.admin a.button {
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  padding: 0 14px;
}
body.admin button.secondary,
body.admin a.button.secondary,
body.admin button.danger {
  background: transparent;
  font-weight: 500;
}
body.admin button.secondary,
body.admin a.button.secondary { color: var(--ink); border-color: var(--line); }
body.admin button.danger { color: var(--warn); border-color: rgba(255, 143, 122, 0.45); }
body.admin button.secondary:hover,
body.admin a.button.secondary:hover { color: var(--accent); border-color: var(--accent); background: transparent; }
body.admin button.danger:hover { color: var(--warn); border-color: var(--warn); background: transparent; }
body.admin .toolbar {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
  margin: 16px 0;
}
body.admin .toolbar form {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 8px;
  margin: 0;
}
body.admin .toolbar input[type="search"] { width: 16rem; }
body.admin .seg { display: flex; flex-wrap: wrap; gap: 6px; }
body.admin .seg a {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 12px;
  color: var(--muted);
  font-size: 13px;
}
body.admin .seg a.on,
body.admin .seg a:hover {
  color: #06281f;
  background: var(--accent);
  border-color: var(--accent);
}
body.admin .badge {
  display: inline-block;
  font-size: 12px;
  line-height: 1.4;
  border-radius: 999px;
  padding: 1px 8px;
  border: 1px solid var(--line);
  color: var(--muted);
}
body.admin .badge.publish { color: var(--accent); border-color: rgba(62, 224, 176, 0.45); }
body.admin .badge.draft { color: var(--blue); border-color: rgba(142, 197, 255, 0.4); }
body.admin .badge.hidden { color: var(--warn); border-color: rgba(255, 143, 122, 0.45); }
body.admin table.articles th {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
  font-weight: 500;
}
body.admin table.articles td { padding: 0.85rem 0.45rem; }
body.admin table.articles tr:hover td { background: rgba(142, 197, 255, 0.04); }
body.admin table.articles th:last-child,
body.admin table.articles td:last-child { text-align: right; white-space: nowrap; }
body.admin table.articles a { overflow-wrap: anywhere; }
body.admin table form { display: inline; margin: 0; }
body.admin form.panel {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(12, 18, 24, 0.55);
  margin-bottom: 8px;
}
body.admin .grid.link-fields { grid-template-columns: minmax(0, 1fr) minmax(0, 2fr) 9rem; }
body.admin label .hint { margin-top: 2px; }
body.admin .tagbox { position: relative; display: flex; flex-direction: column; gap: 8px; }
body.admin .tagbox-chosen { display: flex; flex-wrap: wrap; gap: 6px; }
body.admin .tagbox-chosen:empty { display: none; }
body.admin .tagbox-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  max-width: 100%;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 2px 4px 2px 10px;
  color: var(--ink);
  font-size: 13px;
}
body.admin .tagbox-chip button,
body.admin .tagbox-menu button {
  height: auto;
  background: transparent;
  color: var(--muted);
  border: 0;
  border-radius: 6px;
  font-weight: 400;
}
body.admin .tagbox-chip button { padding: 0 6px; }
body.admin .tagbox-chip button:hover { color: var(--warn); background: transparent; }
body.admin .tagbox-menu {
  position: absolute;
  z-index: 5;
  left: 0;
  right: 0;
  top: calc(100% + 4px);
  margin: 0;
  padding: 4px;
  list-style: none;
  max-height: 220px;
  overflow: auto;
  background: #0c1218;
  border: 1px solid var(--line);
  border-radius: 8px;
}
body.admin .tagbox-menu button {
  width: 100%;
  justify-content: flex-start;
  padding: 6px 8px;
  color: var(--ink);
  text-align: left;
}
body.admin .tagbox-menu button:hover,
body.admin .tagbox-menu button.on { background: rgba(62, 224, 176, 0.12); color: var(--accent); }
body.admin .tagbox-menu mark { background: transparent; color: var(--accent); }
body.admin .tagbox-empty { padding: 6px 8px; color: var(--muted); font-size: 13px; }
body.admin .pager a {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 4px 12px;
  color: var(--ink);
}
body.admin .pager a:hover { border-color: var(--accent); color: var(--accent); }
body.admin .delete { margin-top: 12px; }
body.admin.editor-page .inner,
body.admin.editor-page .wrap,
body.admin.editor-page .foot { width: min(1280px, calc(100% - 32px)); }
body.admin .editor {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 20px;
  align-items: start;
}
body.admin .write { min-width: 0; }
body.admin .write {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 16px;
  align-items: stretch;
}
body.admin .write-edit,
body.admin .write-preview { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
body.admin .write-tools { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
body.admin .write-tools button,
body.admin .write-tools select {
  height: 32px;
  width: auto;
  padding: 0 10px;
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
}
body.admin .write-tools button:hover,
body.admin .write-tools select:hover { border-color: var(--accent); color: var(--accent); background: transparent; }
body.admin .write-edit textarea { min-height: 32rem; }
body.admin .write-preview {
  min-height: 32rem;
  max-height: 76vh;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(12, 18, 24, 0.55);
  padding: 12px 14px 16px;
}
body.admin #markdown-preview:empty::before { content: "开始编写后，这里显示预览"; color: var(--muted); }
body.admin .editor-main,
body.admin .editor-side { display: flex; flex-direction: column; gap: 0.9rem; }
body.admin .editor-side { position: sticky; top: 92px; }

@media (max-width: 860px) {
  .with-side { grid-template-columns: 1fr; }
  .tagcloud { position: static; }
  body.admin .editor,
  body.admin .write { grid-template-columns: 1fr; }
  body.admin .editor-side { position: static; }
}
@media (max-width: 720px) {
  h1 { font-size: 26px; }
  .grid, body.admin .grid.link-fields { grid-template-columns: 1fr; }
  body.admin .toolbar input[type="search"] { width: 100%; }
  body.admin .toolbar form { width: 100%; }
  .search { width: 100%; }
  .search input { min-width: 0; width: 100%; }
  .item { grid-template-columns: 1fr; }
}