:root {
  --bg: #0a0d12;
  --bg-2: #0f141b;
  --card: #111821;
  --line: #1e2a36;
  --text: #e6edf3;
  --dim: #8b98a6;
  --accent: #3ee6a8;
  --accent-2: #5ab4ff;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: "Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  --radius: 12px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font-family: var(--sans); font-size: 17px; line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh; display: flex; flex-direction: column;
}
main { flex: 1; width: 100%; }
::selection { background: var(--accent); color: #04110b; }
a { color: var(--text); text-decoration: none; }
a:hover { color: var(--accent); }
.wrap { max-width: 860px; margin: 0 auto; padding: 0 24px; }
.mono { font-family: var(--mono); font-size: .88em; }
.dim { color: var(--dim); }
.accent { color: var(--accent); }
code { font-family: var(--mono); font-size: .88em; background: var(--bg-2); border: 1px solid var(--line); padding: .1em .4em; border-radius: 6px; }

/* subtle grid backdrop */
.grid-bg {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 48px 48px; opacity: .25;
  mask-image: radial-gradient(ellipse at 50% 0%, #000 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 0%, #000 0%, transparent 70%);
}

/* nav */
.nav { position: sticky; top: 0; z-index: 10; backdrop-filter: blur(10px); background: rgba(10,13,18,.75); border-bottom: 1px solid var(--line); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { font-family: var(--mono); font-weight: 700; font-size: 1rem; }
.logo .prompt { color: var(--accent); }
.cursor { color: var(--accent); animation: blink 1.1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.links { display: flex; gap: 26px; font-family: var(--mono); font-size: .9rem; }
.links a { color: var(--dim); }
.links a:hover, .links a[aria-current] { color: var(--accent); }
.links a[aria-current]::before { content: "./"; }
.menu-btn { display: none; background: none; border: 1px solid var(--line); color: var(--text); font-size: 1.3rem; border-radius: 8px; width: 40px; height: 36px; cursor: pointer; }

/* hero */
.hero { padding: 96px 0 56px; }
.hero h1 { font-size: clamp(2.8rem, 8vw, 4.6rem); line-height: 1.05; margin: 8px 0 16px; letter-spacing: -.035em; font-weight: 800; }
.tagline { font-size: 1.25rem; color: var(--dim); max-width: 560px; margin: 0 0 32px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.btn { display: inline-block; background: var(--accent); color: #04110b; font-weight: 600; padding: 12px 20px; border-radius: 10px; border: 1px solid var(--accent); transition: transform .15s, box-shadow .15s; }
.btn:hover { color: #04110b; transform: translateY(-2px); box-shadow: 0 8px 30px -8px rgba(62,230,168,.5); }
.btn.ghost { background: transparent; color: var(--text); border-color: var(--line); }
.btn.ghost:hover { border-color: var(--accent); color: var(--accent); box-shadow: none; }
.terminal { margin-top: 48px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 44px 20px 20px; position: relative; line-height: 1.8; overflow-x: auto; white-space: pre-wrap; }
.terminal::before { content: ""; position: absolute; top: 14px; left: 16px; width: 11px; height: 11px; border-radius: 50%; background: #ff5f56; box-shadow: 18px 0 #ffbd2e, 36px 0 #27c93f; }

/* sections */
.section { padding: 40px 0; }
.section-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 20px; gap: 12px; }
.section-head h2 { margin: 0; font-size: 1.45rem; letter-spacing: -.01em; }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 16px; }
.card { display: flex; flex-direction: column; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; transition: border-color .2s, transform .2s; }
.card:hover { border-color: var(--accent); transform: translateY(-3px); color: var(--text); }
.card h3 { margin: 6px 0 8px; font-size: 1.2rem; line-height: 1.35; }
.card p { margin: 0; }
.card .dim { font-size: .95rem; flex: 1; }
.card .read { color: var(--accent); margin-top: 16px; }
.meta { color: var(--dim); margin: 0; }
.sep { color: var(--line); margin: 0 4px; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0 0; }
.tag { font-family: var(--mono); font-size: .8rem; color: var(--accent-2); background: rgba(90,180,255,.08); border: 1px solid rgba(90,180,255,.2); padding: 4px 10px; border-radius: 999px; }
.tag:hover { color: var(--bg); background: var(--accent-2); }

/* page heads + blog list */
.page-head { padding: 64px 0 24px; }
.page-head h1 { font-size: clamp(2.2rem, 6vw, 3.2rem); margin: 6px 0 8px; letter-spacing: -.03em; }
.search { width: 100%; margin-top: 20px; background: var(--card); border: 1px solid var(--line); color: var(--text); border-radius: 10px; padding: 12px 14px; font-size: .95rem; outline: none; }
.search:focus { border-color: var(--accent); }
.post-list { list-style: none; padding: 0; margin: 24px 0 64px; }
.post-list li { display: grid; grid-template-columns: 130px 1fr; gap: 20px; padding: 18px 0; border-bottom: 1px dashed var(--line); }
.post-list a { font-weight: 600; font-size: 1.1rem; }
.post-list p { margin: 4px 0 0; font-size: .95rem; }
.post-list time { padding-top: 3px; }

/* article */
.post { padding: 48px 0 64px; }
.back { color: var(--dim); display: inline-block; margin-bottom: 24px; }
.post-head h1 { font-size: clamp(2rem, 5.5vw, 3rem); line-height: 1.15; letter-spacing: -.03em; margin: 10px 0 14px; }
.lede { font-size: 1.2rem; color: var(--dim); margin: 0; }
.cover { width: 100%; border-radius: var(--radius); border: 1px solid var(--line); margin: 32px 0 0; }
.prose { margin-top: 36px; max-width: 70ch; }
.prose h2 { font-size: 1.6rem; margin: 2.2em 0 .6em; letter-spacing: -.02em; }
.prose h2::before { content: "## "; color: var(--accent); font-family: var(--mono); font-size: .8em; }
.prose h3 { font-size: 1.25rem; margin: 1.8em 0 .5em; }
.prose a { color: var(--accent); border-bottom: 1px solid rgba(62,230,168,.35); }
.prose a:hover { border-color: var(--accent); }
.prose img { max-width: 100%; border-radius: 10px; }
.prose blockquote { margin: 1.5em 0; padding: 4px 20px; border-left: 3px solid var(--accent); color: var(--dim); background: var(--bg-2); border-radius: 0 8px 8px 0; }
.prose pre { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 18px; overflow-x: auto; }
.prose pre code { background: none; border: 0; padding: 0; }
.prose li { margin: .35em 0; }
.prose li::marker { color: var(--accent); }
.prose hr { border: 0; border-top: 1px dashed var(--line); margin: 2.5em 0; }
.pager { display: flex; justify-content: space-between; gap: 16px; margin-top: 64px; padding-top: 24px; border-top: 1px solid var(--line); }
.pager a { display: flex; flex-direction: column; gap: 4px; max-width: 48%; font-weight: 600; }
.pager .right { text-align: right; margin-left: auto; }

/* footer */
.footer { border-top: 1px solid var(--line); margin-top: 48px; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; padding-top: 28px; padding-bottom: 28px; }
.footer p { margin: 0; }
.social { display: flex; gap: 18px; font-family: var(--mono); font-size: .85rem; }
.social a { color: var(--dim); }
.social a:hover { color: var(--accent); }

@media (max-width: 640px) {
  body { font-size: 16px; }
  .menu-btn { display: block; }
  .links { display: none; position: absolute; top: 64px; left: 0; right: 0; flex-direction: column; gap: 0; background: var(--bg); border-bottom: 1px solid var(--line); }
  .links.open { display: flex; }
  .links a { padding: 14px 24px; border-top: 1px solid var(--line); }
  .hero { padding: 64px 0 32px; }
  .cards { grid-template-columns: 1fr; }
  .post-list li { grid-template-columns: 1fr; gap: 4px; }
}

/* ---------- Admin dashboard ---------- */
.panel { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; margin-bottom: 24px; }
.panel h3 { margin: 0 0 16px; font-size: 1.15rem; }
.panel.narrow { max-width: 420px; }
.panel label { display: block; font-size: .9rem; color: var(--dim); margin-bottom: 16px; }
.panel input:not([type=file]), .panel textarea {
  display: block; width: 100%; margin-top: 6px; background: var(--bg); color: var(--text);
  border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; font: inherit; font-size: 1rem; outline: none;
}
.panel input:focus, .panel textarea:focus { border-color: var(--accent); }
.panel textarea { font-family: var(--mono); font-size: .92rem; line-height: 1.6; resize: vertical; min-height: 320px; }
.panel input[type=date] { color-scheme: dark; }
.panel .btn { cursor: pointer; font: inherit; font-weight: 600; }
.btn.small { padding: 8px 14px; font-size: .9rem; }
.hint { color: var(--dim); font-size: .8rem; }
.row { display: grid; grid-template-columns: 1fr 200px; gap: 16px; }
.cover-row { display: flex; gap: 8px; align-items: stretch; margin-top: 6px; }
.cover-row input { margin-top: 0 !important; }
.file-btn { margin: 0 !important; color: var(--text) !important; display: flex !important; align-items: center; white-space: nowrap; cursor: pointer; }
.cover-preview { max-height: 160px; border-radius: 8px; border: 1px solid var(--line); margin: -6px 0 16px; }
.msg { font-family: var(--mono); font-size: .88rem; margin: 12px 0 0; min-height: 1.2em; color: var(--dim); }
.msg.err, .err { color: #ff7b72; }
.msg.ok { color: var(--accent); }
.msg a { color: var(--accent); text-decoration: underline; }
.dash-bar { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; margin-bottom: 24px; }
.dash-bar p { margin: 0; }
.dash-actions { display: flex; gap: 10px; }
.dash-actions .btn { cursor: pointer; font: inherit; font-weight: 600; }
.editor-head { display: flex; justify-content: space-between; align-items: center; }
.link-btn { background: none; border: 0; color: var(--dim); cursor: pointer; font: inherit; padding: 4px 6px; }
.link-btn:hover { color: var(--accent); }
.link-btn.danger:hover { color: #ff7b72; }
.body-head { display: flex; justify-content: space-between; align-items: center; color: var(--dim); font-size: .9rem; margin-bottom: 6px; }
.tabs { display: flex; gap: 4px; }
.tab { background: none; border: 1px solid var(--line); color: var(--dim); border-radius: 6px; padding: 4px 12px; cursor: pointer; font: inherit; font-size: .85rem; }
.tab.active { border-color: var(--accent); color: var(--accent); }
.toolbar { display: flex; flex-wrap: wrap; gap: 4px; padding: 6px; border: 1px solid var(--line); border-bottom: 0; border-radius: 8px 8px 0 0; background: var(--bg-2); }
.toolbar button, .tb-file { background: none; border: 1px solid transparent; color: var(--text); border-radius: 6px; padding: 4px 10px; cursor: pointer; font: inherit; font-size: .85rem; margin: 0 !important; }
.toolbar button:hover, .tb-file:hover { border-color: var(--line); color: var(--accent); }
.toolbar + textarea { border-radius: 0 0 8px 8px !important; margin-top: 0 !important; }
.preview { border: 1px solid var(--line); border-radius: 8px; padding: 16px 20px; margin-top: 0; min-height: 320px; max-width: none; }
.editor-actions { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; margin-top: 20px; }
.posts-table { width: 100%; border-collapse: collapse; font-size: .95rem; }
.posts-table th { text-align: left; color: var(--dim); font-weight: 500; font-size: .8rem; text-transform: uppercase; letter-spacing: .05em; padding: 8px; border-bottom: 1px solid var(--line); }
.posts-table td { padding: 12px 8px; border-bottom: 1px dashed var(--line); vertical-align: middle; }
.posts-table td a:hover { color: var(--accent); }
.row-actions { text-align: right; white-space: nowrap; }
.live-pill, .draft-pill { font-family: var(--mono); font-size: .75rem; padding: 2px 8px; border-radius: 999px; }
.live-pill { color: var(--accent); background: rgba(62,230,168,.1); border: 1px solid rgba(62,230,168,.3); }
.draft-pill { color: #f0b429; background: rgba(240,180,41,.1); border: 1px solid rgba(240,180,41,.3); }
@media (max-width: 640px) {
  .row { grid-template-columns: 1fr; }
  .posts-table th:nth-child(2), .posts-table td:nth-child(2) { display: none; }
}