/* ─── Reset ──────────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:      #111111;
  --bg2:     #1a1a1a;
  --text:    #e8e4dc;
  --dim:     #888;
  --faint:   #444;
  --accent:  #cc1100;
  --border:  #e8e4dc;
  --mono:    'JetBrains Mono', 'Courier New', monospace;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--mono);
  font-size: 14px;
  line-height: 1.6;
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }
hr { border: none; border-top: 1px solid var(--border); margin: 0; }

/* ─── Layout ─────────────────────────────────────────────────────────────────── */
#app { max-width: 720px; margin: 0 auto; padding: 0 1.5rem; }

header {
  padding: 2.5rem 0 0;
  margin-bottom: 2.5rem;
}

.site-title {
  font-size: clamp(2.2rem, 6vw, 3.8rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1;
  text-transform: uppercase;
  margin-bottom: 0.2rem;
}

.site-sub {
  font-size: 0.72rem;
  color: var(--dim);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  margin-bottom: 1.8rem;
}

nav {
  display: flex;
  gap: 2rem;
  padding: 0.9rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

nav a {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--dim);
  cursor: pointer;
  transition: color 0.1s;
}
nav a:hover, nav a.active { color: var(--text); }
nav a.active { font-weight: 700; }

main { padding: 2.5rem 0 5rem; }

footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem 0;
  font-size: 0.7rem;
  color: var(--faint);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  display: flex;
  justify-content: space-between;
}

/* ─── Utility ─────────────────────────────────────────────────────────────────── */
.num {
  font-size: 0.7rem;
  color: var(--faint);
  min-width: 2.2rem;
  display: inline-block;
  user-select: none;
}

.tag {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--dim);
  padding: 0.1rem 0.35rem;
  border: 1px solid var(--faint);
}
.tag:hover { border-color: var(--text); color: var(--text); cursor: pointer; }
.tag.active-tag { border-color: var(--accent); color: var(--accent); }

.btn {
  font-family: var(--mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  padding: 0.45rem 0.9rem;
  border: 1px solid var(--border);
  background: none;
  color: var(--text);
  cursor: pointer;
}
.btn:hover { background: var(--text); color: var(--bg); }
.btn-red { border-color: var(--accent); color: var(--accent); }
.btn-red:hover { background: var(--accent); color: #fff; }

/* ─── Home ───────────────────────────────────────────────────────────────────── */
.home-lead {
  margin-bottom: 3rem;
}
.home-lead p {
  font-size: 1rem;
  color: var(--dim);
  max-width: 460px;
  line-height: 1.7;
}

.section-label {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--faint);
  margin-bottom: 1rem;
}

/* ─── Post List ──────────────────────────────────────────────────────────────── */
.post-row {
  display: flex;
  align-items: baseline;
  gap: 0.8rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--bg2);
  cursor: pointer;
  transition: background 0.08s;
}
.post-row:first-child { border-top: 1px solid var(--border); }
.post-row:hover { background: var(--bg2); padding-left: 0.4rem; margin-left: -0.4rem; margin-right: -0.4rem; padding-right: 0.4rem; }

.post-row-title { flex: 1; font-size: 0.92rem; font-weight: 500; }
.post-row-date { font-size: 0.7rem; color: var(--faint); white-space: nowrap; }
.post-row-tags { display: flex; gap: 0.3rem; flex-shrink: 0; }

/* ─── Blog page ──────────────────────────────────────────────────────────────── */
.blog-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}
.blog-top h1 { font-size: 1rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; }
.blog-top .count { font-size: 0.7rem; color: var(--faint); }

.filter-row {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
  align-items: center;
}
.filter-row .filter-label { font-size: 0.65rem; text-transform: uppercase; letter-spacing: 0.15em; color: var(--faint); margin-right: 0.2rem; }

/* ─── Post view ──────────────────────────────────────────────────────────────── */
.back-link {
  display: inline-block;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--dim);
  margin-bottom: 2.5rem;
  cursor: pointer;
}
.back-link:hover { color: var(--text); }

.post-header { margin-bottom: 2.5rem; }
.post-header .post-num { font-size: 0.7rem; color: var(--faint); margin-bottom: 0.5rem; }
.post-header h1 {
  font-size: clamp(1.4rem, 3.5vw, 2rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin-bottom: 1rem;
}
.post-header .post-meta {
  font-size: 0.72rem;
  color: var(--dim);
  display: flex;
  gap: 1.2rem;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 0.8rem;
}
.post-header .post-tag-row { display: flex; gap: 0.4rem; flex-wrap: wrap; }
.post-divider { margin: 2rem 0; }

/* ─── Markdown ───────────────────────────────────────────────────────────────── */
.post-content { font-size: 0.93rem; line-height: 1.8; }
.post-content h1, .post-content h2, .post-content h3 {
  font-weight: 700;
  margin: 2.2rem 0 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.post-content h2 { font-size: 0.9rem; letter-spacing: 0.1em; }
.post-content h3 { font-size: 0.82rem; color: var(--dim); }
.post-content p { margin-bottom: 1.1rem; }
.post-content a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }
.post-content ul, .post-content ol { padding-left: 1.4rem; margin-bottom: 1rem; }
.post-content li { margin-bottom: 0.25rem; }
.post-content blockquote {
  border-left: 3px solid var(--text);
  padding: 0.4rem 1rem;
  margin: 1.4rem 0;
  color: var(--dim);
}
.post-content code {
  font-family: var(--mono);
  font-size: 0.85em;
  background: var(--bg2);
  padding: 0.1em 0.35em;
  border: 1px solid var(--faint);
}
.post-content pre {
  background: #1a1a1a;
  color: #e8e4dc;
  padding: 1.2rem 1.4rem;
  overflow-x: auto;
  margin: 1.5rem -1.5rem;
  font-size: 0.83rem;
  line-height: 1.6;
}
.post-content pre code { background: none; border: none; padding: 0; color: inherit; font-size: inherit; }
.post-content hr { margin: 2rem 0; }
.post-content table { width: 100%; border-collapse: collapse; margin-bottom: 1rem; font-size: 0.88rem; }
.post-content th, .post-content td { border: 1px solid var(--faint); padding: 0.4rem 0.7rem; text-align: left; }
.post-content th { background: var(--bg2); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.08em; }

/* hljs */
.hljs-keyword { color: #ff6b6b; }
.hljs-string  { color: #a8cc8c; }
.hljs-comment { color: #555; font-style: italic; }
.hljs-number  { color: #ffd700; }
.hljs-function, .hljs-title { color: #89b4fa; }
.hljs-built_in { color: #94e2d5; }
.hljs-variable { color: #f38ba8; }

/* ─── About ──────────────────────────────────────────────────────────────────── */
.about-view h1 {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 700;
  margin-bottom: 2rem;
}
.about-block { margin-bottom: 2.5rem; }
.about-block .label {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--faint);
  margin-bottom: 0.8rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--bg2);
}
.about-block p { font-size: 0.88rem; color: var(--dim); line-height: 1.8; margin-bottom: 0.6rem; }
.skill-grid { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 0.6rem; }

/* ─── Admin ──────────────────────────────────────────────────────────────────── */
.admin-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}
.admin-bar h1 { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.15em; }

.admin-table { width: 100%; border-collapse: collapse; font-size: 0.82rem; }
.admin-table th {
  text-align: left;
  padding: 0.5rem 0.6rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--dim);
}
.admin-table td { padding: 0.75rem 0.6rem; border-bottom: 1px solid var(--bg2); vertical-align: middle; }
.admin-table tr:hover td { background: var(--bg2); }
.status { font-size: 0.65rem; text-transform: uppercase; letter-spacing: 0.1em; }
.status.pub { color: #2a9d4e; }
.status.draft { color: var(--faint); }
.row-actions { display: flex; gap: 0.5rem; justify-content: flex-end; }

/* ─── Editor ─────────────────────────────────────────────────────────────────── */
.editor-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}
.editor-bar h1 { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.15em; }

.field { margin-bottom: 1.2rem; }
.field label {
  display: block;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--dim);
  margin-bottom: 0.35rem;
}
.field input, .field textarea {
  width: 100%;
  font-family: var(--mono);
  font-size: 0.85rem;
  background: var(--bg);
  border: 1px solid var(--faint);
  padding: 0.5rem 0.7rem;
  color: var(--text);
  outline: none;
  border-radius: 0;
  resize: vertical;
}
.field input:focus, .field textarea:focus { border-color: var(--text); }
.field textarea.md-area, textarea.md-area { min-height: 380px; line-height: 1.6; font-size: 0.82rem; font-family: var(--mono); width: 100%; background: var(--bg); border: 1px solid var(--faint); padding: 0.5rem 0.7rem; color: var(--text); outline: none; resize: vertical; box-sizing: border-box; }

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
.panes { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; margin-bottom: 1.2rem; }
.pane-label { font-size: 0.65rem; text-transform: uppercase; letter-spacing: 0.15em; color: var(--faint); margin-bottom: 0.35rem; }
.preview-pane {
  border: 1px solid var(--faint);
  padding: 0.8rem;
  min-height: 380px;
  overflow-y: auto;
  font-size: 0.82rem;
  line-height: 1.6;
  background: var(--bg);
}
.check-row { display: flex; align-items: center; gap: 0.6rem; margin-bottom: 1.5rem; }
.check-row input { accent-color: var(--text); cursor: pointer; }
.check-row label { font-size: 0.78rem; color: var(--dim); cursor: pointer; }
.form-actions { display: flex; gap: 0.6rem; justify-content: flex-end; }
.err { color: var(--accent); font-size: 0.75rem; text-align: right; margin-top: 0.5rem; display: none; }

/* ─── Login ──────────────────────────────────────────────────────────────────── */
.login-wrap { max-width: 340px; padding-top: 4rem; }
.login-wrap h1 { font-size: 0.9rem; text-transform: uppercase; letter-spacing: 0.15em; margin-bottom: 0.3rem; }
.login-wrap .sub { font-size: 0.78rem; color: var(--dim); margin-bottom: 2rem; }

/* ─── Misc ───────────────────────────────────────────────────────────────────── */
.empty { font-size: 0.78rem; color: var(--faint); padding: 3rem 0; text-transform: uppercase; letter-spacing: 0.12em; }
.loading { font-size: 0.78rem; color: var(--faint); padding: 1.5rem 0; }

@media (max-width: 600px) {
  #app { padding: 0 1rem; }
  .two-col, .panes { grid-template-columns: 1fr; }
  .post-content pre { margin: 1.5rem -1rem; }
  .post-row-tags { display: none; }
}