:root {
  --bg: #efe6d6;
  --paper: #f7f1e6;
  --ink: #1c1612;
  --muted: #6d6258;
  --line: #dfd2bf;
  --accent: #b42318;
  --accent-2: #1e4a43;
  --card: #fffaf2;
  --shadow: 0 18px 40px rgba(54, 36, 18, 0.08);
  --serif: "Iowan Old Style", "Palatino Linotype", "Songti SC", "Noto Serif SC", "Source Han Serif SC", Georgia, serif;
  --sans: "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(1200px 500px at 10% -10%, rgba(180, 35, 24, 0.08), transparent 50%),
    radial-gradient(900px 420px at 100% 0%, rgba(30, 74, 67, 0.1), transparent 46%),
    var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.7;
}

a { color: inherit; }
a:hover { color: var(--accent); }
code {
  font-family: ui-monospace, "Cascadia Code", Consolas, monospace;
  font-size: 0.92em;
  background: rgba(28, 22, 18, 0.06);
  padding: 0.1em 0.35em;
  border-radius: 4px;
}

.paper {
  width: min(980px, calc(100% - 2rem));
  margin: 1.25rem auto 2.5rem;
  background: var(--paper);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  padding: 0 1.5rem;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.15rem 0 1rem;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  background: color-mix(in srgb, var(--paper) 92%, white);
  z-index: 8;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
}
.brand-mark {
  width: 2.1rem;
  height: 2.1rem;
  display: grid;
  place-items: center;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--serif);
  font-size: 1.05rem;
}
.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}
.brand-text strong {
  font-family: var(--serif);
  font-size: 1.15rem;
  letter-spacing: 0.08em;
}
.brand-text em {
  font-style: normal;
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  gap: 1.15rem;
}
.site-nav a {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.95rem;
}
.site-nav a[aria-current="page"],
.site-nav a:hover {
  color: var(--ink);
}
.site-nav a[aria-current="page"] {
  box-shadow: inset 0 -2px 0 var(--accent);
}

.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--ink);
  padding: 0.35rem 0.7rem;
  font: inherit;
}

.site-main { padding: 2rem 0 2.5rem; }

.hero { padding: 1.2rem 0 0.5rem; }
.eyebrow {
  margin: 0 0 0.7rem;
  color: var(--accent-2);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 0.74rem;
}
h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 600;
  line-height: 1.25;
  margin: 0;
}
.hero h1 {
  font-size: clamp(2.6rem, 8vw, 4.6rem);
  letter-spacing: 0.04em;
}
.hero h1 .dot { color: var(--accent); }
.lede {
  max-width: 38rem;
  color: var(--muted);
  font-size: 1.05rem;
  margin: 1rem 0 0;
}
.hero-actions {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.4rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  padding: 0.55rem 1rem;
  border: 1px solid var(--ink);
  font-size: 0.92rem;
}
.btn.primary {
  background: var(--ink);
  color: var(--paper);
}
.btn.primary:hover { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.ghost { background: transparent; }
.btn.ghost:hover { border-color: var(--accent); }

.section { margin-top: 2.8rem; }
.section-head, .page-head { margin-bottom: 1.1rem; }
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.55rem;
}
.more {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.9rem;
}
.page-head h1 { font-size: clamp(2rem, 5vw, 3rem); }
.meta-line { color: var(--muted); margin: 0.6rem 0 0; }

.post-list { list-style: none; margin: 0; padding: 0; }
.post-list li { border-bottom: 1px solid var(--line); }
.post-row {
  display: grid;
  grid-template-columns: 7.2rem 1fr;
  gap: 1rem;
  padding: 1.05rem 0;
  text-decoration: none;
}
.post-row time {
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  padding-top: 0.28rem;
}
.post-row h3 { font-size: 1.2rem; }
.post-row p {
  margin: 0.35rem 0 0;
  color: var(--muted);
}
.post-row:hover h3 { color: var(--accent); }

.mini-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  list-style: none;
  margin: 0.55rem 0 0;
  padding: 0;
}
.mini-tags li {
  font-size: 0.75rem;
  color: var(--accent-2);
  border: 1px solid var(--line);
  padding: 0.05rem 0.45rem;
}
.mini-tags a {
  color: inherit;
  text-decoration: none;
}

.tag-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0 0 1.4rem;
}
.tag-bar a {
  text-decoration: none;
  border: 1px solid var(--line);
  padding: 0.2rem 0.65rem;
  color: var(--muted);
  font-size: 0.88rem;
}
.tag-bar a[aria-current="page"] {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}
.tag-bar span { color: inherit; opacity: 0.7; }

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.9rem;
}
.card-grid.wide { grid-template-columns: repeat(2, 1fr); }
.card {
  display: block;
  background: var(--card);
  border: 1px solid var(--line);
  padding: 1.05rem 1.05rem 1.15rem;
  text-decoration: none;
  min-height: 9.5rem;
}
.card:hover { border-color: var(--ink); color: inherit; }
.card .tag {
  display: inline-block;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.7rem;
}
.card h3 { font-size: 1.25rem; }
.card p { color: var(--muted); margin: 0.45rem 0 0; }
.card .go { display: inline-block; margin-top: 1rem; color: var(--accent-2); font-size: 0.9rem; }

.article-head { margin-bottom: 1.6rem; }
.article-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.article-title-row h1 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  flex: 1;
  min-width: 0;
}
.article-edit {
  flex-shrink: 0;
  margin-left: auto;
  text-decoration: none;
  border: 1px solid var(--ink);
  padding: 0.25rem 0.8rem;
  font-size: 0.9rem;
  color: var(--ink);
  line-height: 1.4;
}
.article-edit:hover { color: var(--accent); border-color: var(--accent); }
.article-head .eyebrow a { text-decoration: none; }
.article .prose { max-width: 42rem; }

.prose { font-size: 1.05rem; }
.prose :where(h2, h3) { margin: 1.8rem 0 0.7rem; }
.prose :where(p, ul, ol, blockquote) { margin: 0.9rem 0; }
.prose :where(ul, ol) { padding-left: 1.2rem; }
.prose a { color: var(--accent); }
.prose img { max-width: 100%; }
.prose pre {
  overflow: auto;
  padding: 0.9rem 1rem;
  background: #1c1612;
  color: #f7f1e6;
  font-size: 0.88rem;
}
.prose pre code { background: none; color: inherit; padding: 0; }
.prose blockquote {
  border-left: 3px solid var(--accent);
  padding-left: 1rem;
  color: var(--muted);
}

.pager {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 2.4rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--line);
}
.pager a {
  text-decoration: none;
  border: 1px solid var(--line);
  padding: 0.85rem 1rem;
  background: var(--card);
}
.pager a.next { text-align: right; }
.pager span { display: block; color: var(--muted); font-size: 0.8rem; }
.pager strong { display: block; margin-top: 0.2rem; font-family: var(--serif); }

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.3rem 0 1.5rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.92rem;
}
.footer-email {
  margin: 0;
  text-align: left;
  text-decoration: none;
  color: var(--muted);
}
.footer-email:hover { color: var(--accent); }
.copy {
  margin: 0;
  text-align: right;
  margin-left: auto;
}

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

.nav-login {
  border: 1px solid var(--ink);
  padding: 0.15rem 0.7rem !important;
  color: var(--ink) !important;
  box-shadow: none !important;
}
.nav-login:hover { color: var(--accent) !important; border-color: var(--accent); }
.nav-form { margin: 0; }
.nav-form button {
  font: inherit;
  border: 0;
  background: none;
  color: var(--muted);
  cursor: pointer;
  padding: 0;
}
.nav-form button:hover { color: var(--ink); }

.flash-list { list-style: none; margin: 0 0 1.2rem; padding: 0; }
.flash {
  border: 1px solid var(--line);
  background: var(--card);
  padding: 0.55rem 0.8rem;
  margin-bottom: 0.4rem;
}
.flash.ok { border-color: var(--accent-2); }
.flash.error, .form-error { color: var(--accent); }
.form-error { margin: 0 0 0.8rem; }

.auth-form, .editor-form {
  max-width: 42rem;
  display: grid;
  gap: 0.9rem;
}
.auth-form { max-width: 22rem; }
.auth-form label, .editor-form label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.9rem;
  color: var(--muted);
}
.auth-form input,
.editor-form input,
.editor-form textarea {
  font: inherit;
  color: var(--ink);
  background: var(--card);
  border: 1px solid var(--line);
  padding: 0.5rem 0.7rem;
  width: 100%;
}
.editor-form textarea {
  min-height: 16rem;
  line-height: 1.6;
  resize: vertical;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 11rem;
  gap: 0.8rem;
}
button.btn { font: inherit; cursor: pointer; background: var(--paper); }

.manage-list { list-style: none; margin: 0; padding: 0; }
.manage-list li {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
}
.manage-list h3 { font-size: 1.15rem; }
.manage-meta {
  display: flex;
  gap: 0.6rem;
  align-items: center;
  margin: 0 0 0.3rem;
  color: var(--muted);
  font-size: 0.88rem;
}
.manage-actions {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  white-space: nowrap;
}
.manage-actions a, .manage-actions button {
  font: inherit;
  color: var(--muted);
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
  text-decoration: none;
}
.manage-actions a:hover, .manage-actions button:hover { color: var(--accent); }
.badge {
  display: inline-block;
  border: 1px solid var(--line);
  padding: 0.05rem 0.45rem;
  font-size: 0.75rem;
  color: var(--muted);
}
.badge.on { color: var(--accent-2); border-color: var(--accent-2); }

@media (max-width: 760px) {
  .paper { width: calc(100% - 1rem); padding: 0 1rem; margin-top: 0.6rem; }
  .nav-toggle { display: inline-flex; }
  .site-nav {
    display: none;
    position: absolute;
    right: 1rem;
    top: 3.6rem;
    flex-direction: column;
    background: var(--card);
    border: 1px solid var(--line);
    padding: 0.7rem 0.9rem;
    min-width: 8rem;
  }
  .site-nav.open { display: flex; }
  .post-row { grid-template-columns: 1fr; gap: 0.25rem; }
  .card-grid, .card-grid.wide, .pager, .form-row, .manage-list li { grid-template-columns: 1fr; }
}