/* ═══════════════════════════════════════════════
   TERMINAL BLOG — main.css
   Dark terminal aesthetic inspired by hersel.it
═══════════════════════════════════════════════ */

/* ── Variables ── */
:root {
  --bg:           #0d0f14;
  --bg-surface:   #131720;
  --bg-elevated:  #1a1f2e;
  --bg-hover:     #1e2535;

  --fg:           #c8d0e0;
  --fg-muted:     #6b7a99;
  --fg-dim:       #3d4a66;

  --green:        #4ade80;
  --green-dim:    #1a4a2e;
  --cyan:         #22d3ee;
  --cyan-dim:     #0a3040;
  --yellow:       #fbbf24;
  --yellow-dim:   #3a2a00;
  --red:          #f87171;
  --purple:       #a78bfa;
  --orange:       #fb923c;

  --border:       #1e2a40;
  --border-light: #2a3a55;

  --font-mono:    'JetBrains Mono', 'Inconsolata', 'Fira Code', monospace;
  --font-size:    14px;
  --line-height:  1.7;

  --radius:       3px;
  --radius-lg:    6px;
  --max-width:    1100px;
  --sidebar-w:    260px;
}

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

html { font-size: var(--font-size); scroll-behavior: smooth; }

body {
  font-family: var(--font-mono);
  background: var(--bg);
  color: var(--fg);
  line-height: var(--line-height);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

a { color: var(--cyan); text-decoration: none; transition: color .15s; }
a:hover { color: var(--green); }

/* ── Scanline effect ── */
.scanline {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0,0,0,.03) 2px,
    rgba(0,0,0,.03) 4px
  );
}

/* ── Cursor blink ── */
.cursor-blink {
  animation: blink 1s step-end infinite;
  color: var(--green);
  font-weight: 700;
}
@keyframes blink { 50% { opacity: 0; } }

/* ── Prompt symbol ── */
.prompt-symbol { color: var(--green); margin-right: .3rem; }
.cmd-comment { color: var(--fg-muted); }

/* ── Terminal prompt line ── */
.terminal-prompt {
  font-size: .85rem;
  color: var(--fg-muted);
  padding: .4rem 0;
  margin-bottom: 1.2rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: .4rem;
  flex-wrap: wrap;
}
.terminal-prompt .prompt-symbol { color: var(--green); }
.filter-arg { color: var(--cyan); }
.clear-filter { color: var(--red); margin-left: .5rem; cursor: pointer; }
.clear-filter:hover { color: var(--fg); }

/* ══════════════════════════════════════
   HEADER
══════════════════════════════════════ */
.site-header {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(4px);
}
.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: .75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.logo-link {
  color: var(--fg);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: .03em;
}
.logo-link:hover { color: var(--green); }
.logo-text { color: var(--cyan); }

.header-nav { display: flex; gap: 1.5rem; align-items: center; }
.nav-link {
  color: var(--fg-muted);
  font-size: .8rem;
  transition: color .15s;
}
.nav-link:hover { color: var(--green); }
.rss-link:hover { color: var(--orange); }
.admin-link:hover { color: var(--purple); }
.logout-link:hover { color: var(--red); }

/* ══════════════════════════════════════
   MAIN
══════════════════════════════════════ */
.site-main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem 1.5rem;
  width: 100%;
  flex: 1;
}

/* ── Flash messages ── */
.flash-messages { margin-bottom: 1.5rem; }
.flash {
  padding: .6rem 1rem;
  border-radius: var(--radius);
  font-size: .85rem;
  margin-bottom: .5rem;
  display: flex;
  align-items: center;
  gap: .5rem;
}
.flash-success { background: var(--green-dim); border: 1px solid var(--green); color: var(--green); }
.flash-error   { background: #3a1010; border: 1px solid var(--red); color: var(--red); }

/* ══════════════════════════════════════
   LAYOUT: SIDEBAR
══════════════════════════════════════ */
.layout-sidebar {
  display: grid;
  grid-template-columns: 1fr var(--sidebar-w);
  gap: 3rem;
  align-items: start;
}
.posts-column { min-width: 0; }

/* ══════════════════════════════════════
   POST LIST
══════════════════════════════════════ */
.post-list { list-style: none; display: flex; flex-direction: column; gap: 1.5rem; }

.post-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  transition: border-color .2s, background .2s;
}
.post-card:hover {
  border-color: var(--border-light);
  background: var(--bg-hover);
}

.post-card-meta {
  font-size: .75rem;
  color: var(--fg-muted);
  margin-bottom: .6rem;
  display: flex;
  align-items: center;
  gap: .5rem;
  flex-wrap: wrap;
}
.post-date { color: var(--yellow); }
.meta-sep { color: var(--fg-dim); }

.post-title { font-size: 1.05rem; font-weight: 600; margin-bottom: .6rem; }
.post-link { color: var(--fg); display: flex; align-items: center; gap: .5rem; }
.post-link:hover { color: var(--green); }
.post-link-arrow { color: var(--green); font-size: .8rem; transition: transform .15s; }
.post-card:hover .post-link-arrow { transform: translateX(2px); }

.post-excerpt { font-size: .85rem; color: var(--fg-muted); margin-bottom: 1rem; line-height: 1.6; }
.post-excerpt p { margin: 0; }

.post-footer { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: .5rem; }
.post-tags { display: flex; gap: .4rem; flex-wrap: wrap; }
.read-more { font-size: .75rem; color: var(--fg-muted); }
.read-more:hover { color: var(--cyan); }

/* ── Badges ── */
.tag {
  font-size: .72rem;
  color: var(--cyan);
  background: var(--cyan-dim);
  border: 1px solid rgba(34,211,238,.2);
  border-radius: var(--radius);
  padding: .1rem .4rem;
  transition: background .15s;
}
.tag:hover, .tag.active { background: rgba(34,211,238,.25); color: var(--cyan); }
.tag.sm { font-size: .68rem; }

.cat-badge {
  font-size: .7rem;
  color: var(--purple);
  background: rgba(167,139,250,.1);
  border: 1px solid rgba(167,139,250,.2);
  border-radius: var(--radius);
  padding: .1rem .4rem;
}
.cat-badge.sm { font-size: .65rem; }
.cat-badge:hover { background: rgba(167,139,250,.2); color: var(--purple); }

.draft-badge {
  font-size: .65rem;
  color: var(--yellow);
  background: var(--yellow-dim);
  border: 1px solid rgba(251,191,36,.2);
  border-radius: var(--radius);
  padding: .1rem .4rem;
}

/* ── Pagination ── */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}
.page-btn {
  color: var(--fg-muted);
  font-size: .8rem;
  padding: .3rem .8rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.page-btn:hover { border-color: var(--border-light); color: var(--green); }
.page-info { color: var(--fg-dim); font-size: .8rem; }

/* ── Empty state ── */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--fg-muted);
}
.empty-icon { font-size: 2rem; animation: blink 1s step-end infinite; }

/* ══════════════════════════════════════
   SIDEBAR
══════════════════════════════════════ */
.sidebar { display: flex; flex-direction: column; gap: 1.5rem; }

.sidebar-block {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1rem;
}
.sidebar-title {
  font-size: .75rem;
  color: var(--fg-muted);
  margin-bottom: .8rem;
  padding-bottom: .5rem;
  border-bottom: 1px solid var(--border);
}
.sidebar-list { list-style: none; display: flex; flex-direction: column; gap: .3rem; }
.sidebar-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: .8rem;
  color: var(--fg-muted);
  padding: .2rem .3rem;
  border-radius: var(--radius);
  transition: background .15s, color .15s;
}
.sidebar-link:hover, .sidebar-link.active { background: var(--bg-hover); color: var(--fg); }
.dir-icon { margin-right: .3rem; }
.count-badge {
  font-size: .68rem;
  color: var(--fg-dim);
  background: var(--bg-elevated);
  border-radius: 9px;
  padding: .05rem .4rem;
}

.tag-cloud { display: flex; flex-wrap: wrap; gap: .4rem; }

.sidebar-about { font-size: .8rem; color: var(--fg-muted); line-height: 1.6; }
.sidebar-about p + p { margin-top: .5rem; }
.sidebar-ext-link { color: var(--orange); }
.sidebar-ext-link:hover { color: var(--yellow); }

/* ══════════════════════════════════════
   SINGLE POST
══════════════════════════════════════ */
.post-full-layout { max-width: 780px; }

.post-full-header { margin-bottom: 2rem; }

.post-full-breadcrumb {
  font-size: .75rem;
  color: var(--fg-muted);
  margin-bottom: 1rem;
}
.bc-sep { margin: 0 .3rem; color: var(--fg-dim); }
.bc-slug { color: var(--cyan); }

.post-full-title {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 1rem;
  line-height: 1.3;
}

.post-full-meta {
  display: flex;
  flex-wrap: wrap;
  gap: .8rem;
  font-size: .78rem;
  color: var(--fg-muted);
  margin-bottom: 1rem;
}
.meta-item { display: flex; align-items: center; gap: .4rem; }
.meta-key { color: var(--fg-dim); }

.post-divider { color: var(--fg-dim); font-size: .75rem; letter-spacing: .05em; margin: 1.5rem 0; overflow: hidden; }

.edit-link { color: var(--yellow); font-size: .75rem; }
.edit-link:hover { color: var(--orange); }

/* ── Prose (post body) ── */
.prose {
  font-size: .95rem;
  line-height: 1.8;
  color: var(--fg);
}
.prose h1, .prose h2, .prose h3, .prose h4 {
  color: var(--cyan);
  margin: 1.8rem 0 .8rem;
  font-weight: 600;
}
.prose h1 { font-size: 1.4rem; border-bottom: 1px solid var(--border); padding-bottom: .4rem; }
.prose h2 { font-size: 1.15rem; }
.prose h3 { font-size: 1rem; color: var(--green); }
.prose p { margin: 0 0 1rem; }
.prose a { color: var(--cyan); border-bottom: 1px dotted var(--cyan-dim); }
.prose a:hover { color: var(--green); }
.prose strong { color: var(--fg); font-weight: 700; }
.prose em { color: var(--yellow); font-style: italic; }
.prose ul, .prose ol { padding-left: 1.5rem; margin-bottom: 1rem; }
.prose li { margin-bottom: .3rem; }
.prose blockquote {
  border-left: 3px solid var(--green);
  padding: .5rem 1rem;
  margin: 1.2rem 0;
  background: var(--bg-elevated);
  color: var(--fg-muted);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.2rem 0;
  font-size: .85rem;
}
.prose th, .prose td { padding: .5rem .8rem; border: 1px solid var(--border); }
.prose th { background: var(--bg-elevated); color: var(--cyan); font-weight: 600; }
.prose tr:hover td { background: var(--bg-hover); }
.prose hr { border: none; border-top: 1px solid var(--border); margin: 2rem 0; }
.prose img { max-width: 100%; border-radius: var(--radius-lg); border: 1px solid var(--border); }

/* ── Inline code ── */
.prose code {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: .1rem .35rem;
  font-size: .85em;
  color: var(--green);
}

/* ── Code blocks (Pygments) ── */
.prose .highlight {
  background: var(--bg-surface) !important;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow-x: auto;
  margin: 1.2rem 0;
  position: relative;
}
.prose .highlight pre {
  padding: 1.2rem 1.4rem;
  margin: 0;
  font-size: .82rem;
  line-height: 1.6;
  background: transparent !important;
}
.prose .highlight code { background: none; border: none; padding: 0; color: inherit; font-size: inherit; }

/* Pygments token overrides for dark terminal */
.highlight .hll { background-color: #263a5a }
.highlight .c  { color: #4a5568; font-style: italic }   /* Comment */
.highlight .k  { color: #a78bfa; font-weight: bold }    /* Keyword */
.highlight .s  { color: #4ade80 }                       /* String */
.highlight .s1 { color: #4ade80 }
.highlight .s2 { color: #4ade80 }
.highlight .n  { color: #c8d0e0 }                       /* Name */
.highlight .o  { color: #fbbf24 }                       /* Operator */
.highlight .nf { color: #22d3ee }                       /* Name.Function */
.highlight .nc { color: #fb923c; font-weight: bold }    /* Name.Class */
.highlight .nb { color: #a78bfa }                       /* Name.Builtin */
.highlight .mi { color: #f87171 }                       /* Number.Integer */
.highlight .mf { color: #f87171 }                       /* Number.Float */
.highlight .ow { color: #fbbf24; font-weight: bold }    /* Operator.Word */
.highlight .bp { color: #22d3ee }                       /* Name.Builtin.Pseudo */
.highlight .cp { color: #4a5568 }                       /* Comment.Preproc */
.highlight .kn { color: #a78bfa; font-weight: bold }
.highlight .kd { color: #a78bfa; font-weight: bold }

/* ── Post navigation ── */
.post-nav {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.post-nav-link {
  display: flex;
  flex-direction: column;
  font-size: .8rem;
  max-width: 45%;
}
.post-nav-link.next { margin-left: auto; text-align: right; }
.nav-dir { color: var(--fg-dim); font-size: .72rem; margin-bottom: .2rem; }
.nav-title { color: var(--cyan); }
.nav-title:hover { color: var(--green); }

/* ══════════════════════════════════════
   AUTH
══════════════════════════════════════ */
.auth-container { display: flex; justify-content: center; align-items: center; min-height: 60vh; }
.auth-box {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  width: 100%;
  max-width: 400px;
}
.auth-header { text-align: center; margin-bottom: 2rem; }
.auth-ascii { color: var(--green); font-size: .55rem; line-height: 1.2; }
.auth-subtitle { color: var(--fg-muted); font-size: .75rem; margin-top: .5rem; }
.auth-form { display: flex; flex-direction: column; gap: 1rem; }
.auth-error { color: var(--red); font-size: .8rem; text-align: center; }

/* ══════════════════════════════════════
   FORMS / BUTTONS
══════════════════════════════════════ */
.form-group { display: flex; flex-direction: column; gap: .4rem; }
.form-label { font-size: .75rem; color: var(--fg-muted); }
.form-input {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: .6rem .8rem;
  color: var(--fg);
  font-family: var(--font-mono);
  font-size: .85rem;
  transition: border-color .15s;
  width: 100%;
}
.form-input:focus { outline: none; border-color: var(--cyan); }

.btn {
  font-family: var(--font-mono);
  font-size: .8rem;
  padding: .5rem 1.2rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all .15s;
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  text-decoration: none;
}
.btn-primary {
  background: var(--green-dim);
  border-color: var(--green);
  color: var(--green);
}
.btn-primary:hover { background: rgba(74,222,128,.25); color: var(--green); }
.btn-ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--fg-muted);
}
.btn-ghost:hover { border-color: var(--border-light); color: var(--fg); }
.btn.sm { font-size: .72rem; padding: .3rem .7rem; }

/* ══════════════════════════════════════
   ADMIN DASHBOARD
══════════════════════════════════════ */
.admin-layout { }
.admin-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1.5rem; flex-wrap: wrap; gap: 1rem; }

.admin-table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius-lg); }
.admin-table { width: 100%; border-collapse: collapse; font-size: .82rem; }
.admin-table thead th {
  background: var(--bg-elevated);
  color: var(--fg-muted);
  font-weight: 600;
  padding: .7rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: .75rem;
}
.admin-table tbody tr { border-bottom: 1px solid var(--border); transition: background .15s; }
.admin-table tbody tr:last-child { border-bottom: none; }
.admin-table tbody tr:hover { background: var(--bg-hover); }
.admin-table td { padding: .65rem 1rem; vertical-align: middle; }
.row-draft { opacity: .7; }

.td-date { color: var(--yellow); white-space: nowrap; font-size: .75rem; }
.td-title { }
.td-title .table-link { color: var(--fg); font-weight: 500; }
.td-title .table-link:hover { color: var(--cyan); }
.td-slug { display: block; font-size: .68rem; color: var(--fg-dim); margin-top: .15rem; }
.draft-title { color: var(--fg-muted); }
.td-cats, .td-tags { display: flex; flex-wrap: wrap; gap: .3rem; }
.status-badge { font-size: .65rem; padding: .1rem .5rem; border-radius: 9px; font-weight: 700; letter-spacing: .05em; }
.status-badge.published { background: var(--green-dim); color: var(--green); border: 1px solid rgba(74,222,128,.3); }
.status-badge.draft { background: var(--yellow-dim); color: var(--yellow); border: 1px solid rgba(251,191,36,.3); }

.td-actions { display: flex; gap: .4rem; align-items: center; }
.action-btn {
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--fg-muted);
  cursor: pointer;
  padding: .2rem .5rem;
  font-size: .75rem;
  font-family: var(--font-mono);
  transition: all .15s;
}
.action-btn.edit:hover { color: var(--cyan); border-color: var(--cyan); }
.action-btn.delete:hover { color: var(--red); border-color: var(--red); }

/* ══════════════════════════════════════
   ADMIN EDITOR
══════════════════════════════════════ */
.editor-layout { display: flex; flex-direction: column; gap: 1.2rem; }
.editor-topbar { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; }

.editor-form { display: flex; flex-direction: column; gap: 1rem; }
.editor-fields-top { display: grid; grid-template-columns: 1fr 150px 150px; gap: 1rem; }
.editor-fields-mid { display: grid; grid-template-columns: 1fr 1fr auto; gap: 1rem; align-items: end; }

.field-group { display: flex; flex-direction: column; gap: .3rem; }
.field-label { font-size: .72rem; color: var(--fg-muted); }
.field-hint { color: var(--fg-dim); }
.field-input {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: .5rem .7rem;
  color: var(--fg);
  font-family: var(--font-mono);
  font-size: .82rem;
  width: 100%;
  transition: border-color .15s;
}
.field-input:focus { outline: none; border-color: var(--cyan); }

.checkbox-label { display: flex; align-items: center; gap: .5rem; cursor: pointer; font-size: .82rem; color: var(--fg-muted); }
.checkbox-label input[type=checkbox] { accent-color: var(--green); width: 14px; height: 14px; }

/* ── Editor panes ── */
.editor-panes {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.editor-pane-write, .editor-pane-preview { display: flex; flex-direction: column; }
.pane-header {
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
  padding: .5rem 1rem;
  font-size: .72rem;
  color: var(--fg-muted);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.pane-title { letter-spacing: .05em; }

.body-textarea {
  background: var(--bg-surface);
  border: none;
  color: var(--fg);
  font-family: var(--font-mono);
  font-size: .82rem;
  line-height: 1.7;
  padding: 1.2rem 1.4rem;
  width: 100%;
  min-height: 450px;
  resize: vertical;
}
.body-textarea:focus { outline: none; }

.preview-content { padding: 1.2rem 1.4rem; min-height: 200px; }
.hidden { display: none !important; }

.editor-submit { display: flex; gap: .8rem; flex-wrap: wrap; padding-top: .5rem; }

/* ══════════════════════════════════════
   404
══════════════════════════════════════ */
.error-page { display: flex; flex-direction: column; align-items: center; justify-content: center; min-height: 50vh; gap: 1.5rem; text-align: center; }
.error-ascii { color: var(--red); font-size: .55rem; line-height: 1.2; }
.error-msg { color: var(--fg-muted); font-size: .9rem; }

/* ══════════════════════════════════════
   FOOTER
══════════════════════════════════════ */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-surface);
  padding: 1rem 1.5rem;
  margin-top: auto;
}
.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  text-align: center;
}
.footer-text { font-size: .72rem; color: var(--fg-dim); }
.footer-sep { margin: 0 .4rem; }
.footer-year { color: var(--fg-muted); }

/* ══════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════ */
@media (max-width: 800px) {
  .layout-sidebar { grid-template-columns: 1fr; }
  .sidebar { order: -1; }
  .editor-fields-top { grid-template-columns: 1fr 1fr; }
  .editor-fields-mid { grid-template-columns: 1fr; }
  .header-nav { gap: .8rem; }
}
@media (max-width: 520px) {
  .site-main { padding: 1.2rem 1rem; }
  .post-full-title { font-size: 1.2rem; }
  .editor-fields-top { grid-template-columns: 1fr; }
}