/* ── Fonts (local files) ─────────────────────────────────────────────── */
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('/static/plexmono400.ttf') format('truetype');
}
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('/static/plexmono500.ttf') format('truetype');
}
@font-face {
  font-family: 'IBM Plex Serif';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('/static/plexserif400.ttf') format('truetype');
}
@font-face {
  font-family: 'IBM Plex Serif';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('/static/plexserif500.ttf') format('truetype');
}

/* ── Solarized Palette & Semantic Tokens (light default) ─────────────── */
:root {
  /* Solarized base */
  --sol-base03: #002b36;
  --sol-base02: #073642;
  --sol-base01: #586e75;
  --sol-base00: #657b83;
  --sol-base0:  #839496;
  --sol-base1:  #93a1a1;
  --sol-base2:  #eee8d5;
  --sol-base3:  #fdf6e3;
  /* Solarized accent */
  --sol-yellow:  #b58900;
  --sol-orange:  #cb4b16;
  --sol-red:     #dc322f;
  --sol-magenta: #d33682;
  --sol-violet:  #6c71c4;
  --sol-blue:    #268bd2;
  --sol-cyan:    #2aa198;
  --sol-green:   #859900;

  /* Light theme semantic vars */
  --solarized-bg:               var(--sol-base3);
  --solarized-bg-highlight:     var(--sol-base2);
  --solarized-bg-emphasis:      #e4dcc8;
  --solarized-secondary:        var(--sol-base1);
  --solarized-primary:          var(--sol-base00);
  --solarized-emphasis:         var(--sol-base01);
  --solarized-border:           #d3cbb7;
  --solarized-border-emphasis:  var(--sol-base1);

  --background:       var(--solarized-bg);
  --foreground:       var(--solarized-primary);
  --card:             var(--solarized-bg-highlight);
  --card-foreground:  var(--solarized-primary);
  --muted:            var(--solarized-bg-highlight);
  --muted-foreground: var(--solarized-secondary);
  --accent:           var(--sol-blue);
  --border:           var(--solarized-border);
  --ring:             var(--sol-blue);
  --radius:           0.125rem;
  --destructive:      var(--sol-red);

  --font-family-sans: 'IBM Plex Serif', Georgia, 'Times New Roman', serif;
  --font-family-mono: 'IBM Plex Mono', 'Courier New', Courier, monospace;
  --font-size: 16px;
}

/* ── System dark preference ──────────────────────────────────────────── */
/* Applies only in "auto" (no explicit light/mac8 choice). */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]):not([data-theme="mac8"]) {
    --solarized-bg:              var(--sol-base03);
    --solarized-bg-highlight:    var(--sol-base02);
    --solarized-bg-emphasis:     #0a4453;
    --solarized-secondary:       var(--sol-base01);
    --solarized-primary:         var(--sol-base0);
    --solarized-emphasis:        var(--sol-base1);
    --solarized-border:          #0d5664;
    --solarized-border-emphasis: var(--sol-base01);
    --ring: var(--sol-cyan);
  }
}

/* ── Explicit theme overrides ────────────────────────────────────────── */
[data-theme="dark"] {
  --solarized-bg:              var(--sol-base03);
  --solarized-bg-highlight:    var(--sol-base02);
  --solarized-bg-emphasis:     #0a4453;
  --solarized-secondary:       var(--sol-base01);
  --solarized-primary:         var(--sol-base0);
  --solarized-emphasis:        var(--sol-base1);
  --solarized-border:          #0d5664;
  --solarized-border-emphasis: var(--sol-base01);
  --ring: var(--sol-cyan);
}

[data-theme="light"] {
  --solarized-bg:              var(--sol-base3);
  --solarized-bg-highlight:    var(--sol-base2);
  --solarized-bg-emphasis:     #e4dcc8;
  --solarized-secondary:       var(--sol-base1);
  --solarized-primary:         var(--sol-base00);
  --solarized-emphasis:        var(--sol-base01);
  --solarized-border:          #d3cbb7;
  --solarized-border-emphasis: var(--sol-base1);
  --ring: var(--sol-blue);
}

/* ── Base / Reset ────────────────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  font-size: var(--font-size);
}

body {
  margin: 0;
  background-color: var(--background);
  color: var(--foreground);
  font-family: var(--font-family-sans);
  line-height: 1.65;
}

/* ── Typography ──────────────────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
  font-weight: 500;
  line-height: 1.3;
  margin-top: 0;
  margin-bottom: 0.5em;
}

h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1rem; }

p {
  margin-top: 0;
  margin-bottom: 1rem;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  color: var(--sol-cyan);
  text-decoration: underline;
}

ul, ol {
  margin-top: 0;
  margin-bottom: 1rem;
  padding-left: 1.5rem;
}

li {
  margin-bottom: 0.25rem;
}

strong { font-weight: 500; }

code {
  font-family: var(--font-family-mono);
  font-size: 0.875em;
  background: var(--card);
  border: 1px solid var(--border);
  padding: 0.1em 0.35em;
  border-radius: var(--radius);
}

pre {
  font-family: var(--font-family-mono);
  font-size: 0.875em;
  background: var(--card);
  border: 1px solid var(--border);
  padding: 1rem 1.25rem;
  overflow-x: auto;
  margin-top: 0;
  margin-bottom: 1rem;
  border-radius: var(--radius);
  line-height: 1.5;
}

pre code {
  background: none;
  border: none;
  padding: 0;
  font-size: 1em;
}

blockquote {
  border-left: 3px solid var(--border);
  margin: 0 0 1rem 0;
  padding: 0.5rem 0 0.5rem 1rem;
  color: var(--muted-foreground);
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1rem;
  font-family: var(--font-family-mono);
  font-size: 0.8125rem;
}

th, td {
  border: 1px solid var(--border);
  padding: 0.4rem 0.75rem;
  text-align: left;
}

th {
  background: var(--card);
  font-weight: 500;
}

mark {
  background: var(--sol-yellow);
  color: var(--sol-base03);
  padding: 0.05em 0.2em;
}

hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2rem 0;
}

/* ── Site header ─────────────────────────────────────────────────────── */
.site-header {
  border-bottom: 1px solid var(--border);
  background: var(--card);
  position: sticky;
  top: 0;
  z-index: 20;
}

.header-inner {
  max-width: 72rem;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: stretch;
  gap: 0;
  height: 2.75rem;
}

.site-brand {
  font-family: var(--font-family-mono);
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--foreground);
  text-decoration: none;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  white-space: nowrap;
  display: flex;
  align-items: center;
  padding-right: 1.5rem;
  border-right: 1px solid var(--border);
  margin-right: 0.5rem;
  flex-shrink: 0;
}

.site-brand:hover {
  color: var(--accent);
  text-decoration: none;
}

/* ── Navigation ──────────────────────────────────────────────────────── */
.site-nav {
  flex: 1;
}

.nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: stretch;
  height: 100%;
}

.nav-link {
  display: flex;
  align-items: center;
  padding: 0 0.75rem;
  padding-top: 0.75rem;
  font-family: var(--font-family-mono);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted-foreground);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
  transition: color 0.1s, border-color 0.1s;
}

.nav-link:hover {
  color: var(--foreground);
  border-color: var(--accent);
  text-decoration: none;
}

.nav-admin {
  color: var(--sol-yellow);
}

.nav-admin:hover {
  color: var(--sol-orange);
  border-color: var(--sol-orange);
}

/* ── Theme toggle ────────────────────────────────────────────────────── */
.nav-end {
  margin-left: auto;
  display: flex;
  align-items: center;
  padding-left: 0.75rem;
  border-left: 1px solid var(--border);
  flex-shrink: 0;
}

.theme-toggle {
  background: none;
  border: 1px solid var(--border);
  color: var(--muted-foreground);
  padding: 0.3125rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 0;
  transition: color 0.1s, border-color 0.1s;
  border-radius: var(--radius);
}

.theme-toggle:hover {
  color: var(--foreground);
  border-color: var(--foreground);
}

/* ── Theme picker dropdown ───────────────────────────────────────────── */
.theme-menu {
  position: relative;
}

.theme-menu summary {
  list-style: none;
}

.theme-menu summary::-webkit-details-marker {
  display: none;
}

.theme-options {
  position: absolute;
  top: calc(100% + 0.375rem);
  right: 0;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.25rem;
  z-index: 30;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.theme-option {
  background: none;
  border: 1px solid transparent;
  color: var(--muted-foreground);
  padding: 0.3125rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 0;
  border-radius: var(--radius);
  transition: color 0.1s, border-color 0.1s;
}

.theme-option:hover {
  color: var(--foreground);
  border-color: var(--border);
}

/* The currently selected theme */
.theme-option.theme-active {
  color: var(--accent);
  border-color: var(--accent);
}

/* ── Main content ─────────────────────────────────────────────────────── */
.main-content {
  max-width: 72rem;
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
  min-height: calc(100vh - 2.75rem);
}

/* ── Card ─────────────────────────────────────────────────────────────── */
.card {
  border: 1px solid var(--border);
  background: var(--card);
  padding: 1.5rem;
  transition: border-color 0.1s;
}

.card-hover:hover {
  border-color: var(--accent);
}

/* ── Stub page (Phase 2) ─────────────────────────────────────────────── */
.stub-page {
  border: 1px solid var(--border);
  background: var(--card);
  padding: 3rem 2rem;
  text-align: center;
  color: var(--muted-foreground);
  font-family: var(--font-family-mono);
  font-size: 0.875rem;
  letter-spacing: 0.05em;
}

/* ── Error page ──────────────────────────────────────────────────────── */
.error-page {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 40vh;
  text-align: center;
}

.error-code {
  font-family: var(--font-family-mono);
  font-size: 5rem;
  font-weight: 400;
  color: var(--border);
  line-height: 1;
  margin-bottom: 1.5rem;
  letter-spacing: -0.05em;
}

.error-page h1 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  color: var(--muted-foreground);
  font-family: var(--font-family-mono);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.error-page p {
  color: var(--muted-foreground);
  margin-bottom: 1.5rem;
}

.error-page a {
  font-family: var(--font-family-mono);
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ── Search / form inputs ─────────────────────────────────────────────── */
input[type="text"],
input[type="email"],
input[type="search"],
textarea,
select {
  background: var(--background);
  color: var(--foreground);
  border: 1px solid var(--border);
  padding: 0.5rem 0.75rem;
  font-family: var(--font-family-mono);
  font-size: 0.875rem;
  width: 100%;
  outline: none;
  transition: border-color 0.1s;
  border-radius: var(--radius);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="search"]:focus,
textarea:focus,
select:focus {
  border-color: var(--ring);
}

input[type="text"]::placeholder,
input[type="email"]::placeholder,
input[type="search"]::placeholder,
textarea::placeholder {
  color: var(--muted-foreground);
}

textarea {
  resize: vertical;
  min-height: 8rem;
}

label {
  display: block;
  font-family: var(--font-family-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted-foreground);
  margin-bottom: 0.375rem;
}

button,
.btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--foreground);
  padding: 0.5rem 1rem;
  font-family: var(--font-family-mono);
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: border-color 0.1s, color 0.1s, background 0.1s;
  border-radius: var(--radius);
}

button:hover,
.btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-primary {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-primary:hover {
  background: var(--accent);
  color: var(--card);
}

.btn-danger {
  border-color: var(--destructive);
  color: var(--destructive);
}

.form-group {
  margin-bottom: 1.25rem;
}

/* ── Utilities ───────────────────────────────────────────────────────── */
.font-mono    { font-family: var(--font-family-mono); }
.text-muted   { color: var(--muted-foreground); }
.text-accent  { color: var(--accent); }
.text-sm      { font-size: 0.875rem; }
.text-xs      { font-size: 0.75rem; }
.uppercase    { text-transform: uppercase; letter-spacing: 0.08em; }
.flex         { display: flex; }
.items-center { align-items: center; }
.gap-2        { gap: 0.5rem; }
.gap-4        { gap: 1rem; }
.mt-0         { margin-top: 0; }
.mb-0         { margin-bottom: 0; }
.mb-4         { margin-bottom: 1rem; }
.mb-8         { margin-bottom: 2rem; }

/* ── Responsive ──────────────────────────────────────────────────────── */
@media (max-width: 640px) {
  .header-inner {
    padding: 0 0.75rem;
  }

  .site-brand {
    font-size: 0.6rem;
    padding-right: 0.75rem;
    letter-spacing: 0.05em;
  }

  .nav-link {
    padding: 0 0.4rem;
    font-size: 0.6rem;
    letter-spacing: 0.06em;
  }

  .main-content {
    padding: 1.5rem 1rem;
  }
}

/* ── Phase 3: Blog / Wiki list ───────────────────────────────────────── */
.section-header {
  margin-bottom: 2rem;
}

.section-header h1 {
  margin-bottom: 0.25rem;
}

.section-header p {
  color: var(--muted-foreground);
  font-family: var(--font-family-mono);
  font-size: 0.875rem;
  margin: 0;
}

.search-wrap {
  margin-bottom: 1.5rem;
}

.post-card {
  border: 1px solid var(--border);
  background: var(--card);
  margin-bottom: 1rem;
  transition: border-color 0.1s;
}

.post-card:hover {
  border-color: var(--accent);
}

.post-card > a {
  display: block;
  padding: 1.5rem;
  text-decoration: none;
  color: inherit;
}

.post-card h2 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  color: var(--foreground);
  transition: color 0.1s;
}

.post-card:hover h2 {
  color: var(--accent);
}

.post-meta {
  font-family: var(--font-family-mono);
  font-size: 0.75rem;
  color: var(--muted-foreground);
  margin-bottom: 0.75rem;
  letter-spacing: 0.02em;
}

.post-excerpt {
  color: var(--muted-foreground);
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.6;
}

.no-results {
  text-align: center;
  padding: 3rem 1rem;
  font-family: var(--font-family-mono);
  font-size: 0.875rem;
  color: var(--muted-foreground);
  border: 1px solid var(--border);
  background: var(--card);
}

/* ── Phase 3: Post / Wiki detail ─────────────────────────────────────── */
.post-detail {
  max-width: 46rem;
}

.post-header {
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.back-link {
  font-family: var(--font-family-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  display: inline-block;
  margin-bottom: 1.5rem;
}

.post-header h1 {
  font-size: 1.875rem;
  margin-bottom: 0.75rem;
}

/* Prose: rendered Markdown inside .post-body */
.post-body {
  line-height: 1.75;
}

.post-body h1,
.post-body h2,
.post-body h3,
.post-body h4 {
  margin-top: 2rem;
  margin-bottom: 0.75rem;
}

.post-body h1:first-child,
.post-body h2:first-child {
  margin-top: 0;
}

.post-body p,
.post-body ul,
.post-body ol,
.post-body blockquote,
.post-body pre,
.post-body table {
  margin-bottom: 1.25rem;
}

.post-body img {
  max-width: 100%;
  height: auto;
  display: block;
  border: 1px solid var(--border);
}

/* Admin edit affordance on detail pages */
.admin-edit-bar {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
}

.admin-edit-link {
  font-family: var(--font-family-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border: 1px solid var(--sol-yellow);
  color: var(--sol-yellow);
  padding: 0.375rem 0.75rem;
  text-decoration: none;
  transition: background 0.1s, color 0.1s;
}

.admin-edit-link:hover {
  background: var(--sol-yellow);
  color: var(--sol-base03);
  text-decoration: none;
}

/* ── Phase 5: Admin dashboard ────────────────────────────────────────── */
.admin-new-row {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.admin-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-family-mono);
  font-size: 0.8125rem;
  margin-bottom: 0;
}

.admin-table th,
.admin-table td {
  border: 1px solid var(--border);
  padding: 0.45rem 0.75rem;
  text-align: left;
  vertical-align: middle;
  white-space: nowrap;
}

.admin-table th {
  background: var(--card);
  color: var(--muted-foreground);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.625rem;
}

/* Allow the title column to wrap */
.admin-table td:nth-child(2) {
  white-space: normal;
  max-width: 22rem;
}

/* Kind badges */
.kind-badge {
  display: inline-block;
  padding: 0.1em 0.45em;
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border: 1px solid currentColor;
  border-radius: var(--radius);
}

.kind-blog { color: var(--sol-blue); }
.kind-wiki { color: var(--sol-green); }
.kind-docs { color: var(--sol-yellow); }

/* Status badges */
.status-badge {
  display: inline-block;
  padding: 0.1em 0.45em;
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border: 1px solid currentColor;
  border-radius: var(--radius);
}

.status-published { color: var(--sol-green); }
.status-draft     { color: var(--muted-foreground); }

/* Monospace data columns */
.col-mono {
  font-family: var(--font-family-mono);
  font-size: 0.75rem;
  color: var(--muted-foreground);
}

/* Actions column */
.col-actions {
  white-space: nowrap;
}

.action-link {
  display: inline-block;
  font-family: var(--font-family-mono);
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.2em 0.55em;
  border: 1px solid var(--border);
  color: var(--foreground);
  text-decoration: none;
  cursor: pointer;
  background: none;
  transition: border-color 0.1s, color 0.1s, background 0.1s;
  margin-right: 0.25rem;
}

.action-link:hover {
  border-color: var(--accent);
  color: var(--accent);
  text-decoration: none;
}

.action-link-danger {
  border-color: var(--destructive);
  color: var(--destructive);
  margin-right: 0;
}

.action-link-danger:hover {
  background: var(--destructive);
  color: var(--card);
  border-color: var(--destructive);
}

.action-delete-form {
  display: inline;
  margin: 0;
  padding: 0;
}

/* ── Phase 5: Editor ─────────────────────────────────────────────────── */
.editor-wrap {
  max-width: 80rem;
}

/* Meta row: title / slug / published checkbox — flex, wraps on mobile */
.editor-meta-row {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
  align-items: flex-end;
}

.editor-meta-row .form-group {
  flex: 1;
  min-width: 11rem;
  margin-bottom: 0;
}

.form-group-inline {
  display: flex;
  align-items: flex-end;
  padding-bottom: 0.5rem;
  flex-shrink: 0;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  font-family: var(--font-family-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--foreground);
  cursor: pointer;
  user-select: none;
}

input[type="checkbox"] {
  width: 1rem;
  height: 1rem;
  cursor: pointer;
  accent-color: var(--accent);
}

/* Two-column editor / preview */
.editor-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1rem;
  min-height: 30rem;
}

@media (max-width: 780px) {
  .editor-layout {
    grid-template-columns: 1fr;
  }
}

.editor-pane,
.preview-col {
  display: flex;
  flex-direction: column;
}

.pane-label {
  font-family: var(--font-family-mono);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted-foreground);
  margin-bottom: 0.375rem;
}

.editor-textarea {
  flex: 1;
  resize: none;
  min-height: 28rem;
  font-family: var(--font-family-mono);
  font-size: 0.875rem;
  line-height: 1.6;
}

.slug-input {
  font-family: var(--font-family-mono);
}

.preview-pane {
  border: 1px solid var(--border);
  background: var(--card);
  padding: 1.25rem;
  overflow-y: auto;
  min-height: 28rem;
  max-height: 60rem;
}

/* Editor actions row */
.editor-actions {
  display: flex;
  gap: 0.75rem;
  justify-content: flex-end;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
  margin-top: 0.5rem;
}

/* Inline error banner above the form */
.editor-error {
  border: 1px solid var(--destructive);
  background: color-mix(in srgb, var(--destructive) 8%, var(--background));
  color: var(--destructive);
  padding: 0.75rem 1rem;
  margin-bottom: 1rem;
  font-family: var(--font-family-mono);
  font-size: 0.8125rem;
}

.editor-error p { margin: 0; }

/* ── Phase 6: Tags ───────────────────────────────────────────────────── */

/* Tag pill — used in list cards, detail headers, and the tag cloud */
.tag-pill {
  display: inline-block;
  font-family: var(--font-family-mono);
  font-size: 0.625rem;
  text-transform: lowercase;
  letter-spacing: 0.04em;
  padding: 0.15em 0.55em;
  border: 1px solid var(--sol-green);
  color: var(--sol-green);
  text-decoration: none;
  border-radius: var(--radius);
  transition: background 0.1s, color 0.1s;
  white-space: nowrap;
}

.tag-pill:hover {
  background: var(--sol-green);
  color: var(--sol-base03);
  text-decoration: none;
}

.tag-pill-active {
  background: var(--sol-green);
  color: var(--sol-base03);
}

.tag-pill-active:hover {
  background: none;
  color: var(--sol-green);
}

/* Tag cloud: row of pills above the search input on list pages */
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
  margin-bottom: 1rem;
}

/* Tags row inside a post card (below the excerpt link) */
.post-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
  padding: 0.75rem 1.5rem 1rem;
  border-top: 1px solid var(--border);
  background: var(--card);
}

/* Tags row in post/wiki detail page header */
.post-meta-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
  margin-top: 0.5rem;
}

/* ── Phase 6: Wiki 2-column grid ─────────────────────────────────────── */

.post-list-wiki {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.post-list-wiki .no-results {
  grid-column: 1 / -1;
}

@media (max-width: 640px) {
  .post-list-wiki {
    grid-template-columns: 1fr;
  }
}

/* ── Phase 6: Global search page ─────────────────────────────────────── */

/* Section grouping on /search results (Blog / Wiki / Docs) */
.search-group {
  margin-bottom: 2rem;
}

.search-group:last-child {
  margin-bottom: 0;
}

.search-group-label {
  font-family: var(--font-family-mono);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted-foreground);
  margin-bottom: 0.75rem;
  padding-bottom: 0.375rem;
  border-bottom: 1px solid var(--border);
}

/* ── Phase 6: Nav search input ───────────────────────────────────────── */

.nav-search {
  display: flex;
  align-items: center;
  margin-right: 0.5rem;
}

.nav-search-input {
  width: 10rem;
  padding: 0.2rem 0.5rem;
  font-family: var(--font-family-mono);
  font-size: 0.6875rem;
  background: var(--background);
  color: var(--foreground);
  border: 1px solid var(--border);
  outline: none;
  transition: border-color 0.1s, width 0.2s;
  border-radius: var(--radius);
  height: 1.625rem;
}

.nav-search-input:focus {
  border-color: var(--ring);
  width: 13rem;
}

.nav-search-input::placeholder {
  color: var(--muted-foreground);
}

/* The nav search is the site's only search input, so it must survive
   small screens: shrink instead of hiding, widen on focus. */
@media (max-width: 640px) {
  .nav-search-input {
    width: 5.5rem;
  }

  .nav-search-input:focus {
    width: 9rem;
  }
}

/* ── Login ─────────────────────────────────────────────────────────── */

.login-wrap {
  max-width: 24rem;
  margin: 4rem auto;
  padding: 2rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card);
}

.login-wrap h1 {
  font-family: var(--font-family-mono);
  font-size: 1.1rem;
  letter-spacing: 0.05em;
  margin-bottom: 1.5rem;
}

.login-error {
  padding: 0.6rem 0.75rem;
  border-left: 3px solid var(--destructive);
  background: color-mix(in srgb, var(--destructive) 10%, transparent);
  margin-bottom: 1rem;
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 0.8rem;
  color: var(--destructive);
}

/* ── Dashboard header row (title + sign-out) ───────────────────────── */

.admin-section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.logout-form {
  margin: 0;
}

.btn-logout {
  font-family: var(--font-family-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.05em;
  padding: 0.35rem 0.75rem;
  background: transparent;
  color: var(--muted-foreground);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
}

.btn-logout:hover {
  color: var(--destructive);
  border-color: var(--destructive);
}

/* ── Site footer ─────────────────────────────────────────────────────── */
.site-footer {
  max-width: 72rem;
  margin: 0 auto;
  padding: 1.5rem;
  border-top: 1px solid var(--border);
  text-align: center;
}

.site-footer p {
  font-family: var(--font-family-mono);
  font-size: 0.75rem;
  color: var(--muted-foreground);
  margin: 0;
}

/* ── Nav feed icon ───────────────────────────────────────────────────── */
.nav-feed {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted-foreground);
  padding: 0.3125rem;
  margin-right: 0.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  line-height: 0;
  transition: color 0.1s, border-color 0.1s;
}

.nav-feed:hover {
  color: var(--sol-orange);
  border-color: var(--sol-orange);
  text-decoration: none;
}

/* ── Feed pagination ─────────────────────────────────────────────────── */
.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 2rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
  font-family: var(--font-family-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.page-link {
  border: 1px solid var(--border);
  padding: 0.375rem 0.75rem;
  border-radius: var(--radius);
  color: var(--foreground);
  white-space: nowrap;
}

.page-link:hover {
  border-color: var(--accent);
  color: var(--accent);
  text-decoration: none;
}

.page-link-disabled {
  border: 1px solid var(--border);
  padding: 0.375rem 0.75rem;
  border-radius: var(--radius);
  color: var(--muted-foreground);
  opacity: 0.4;
  white-space: nowrap;
}

.page-current {
  color: var(--muted-foreground);
}

/* ── Markdown: heading anchors ───────────────────────────────────────── */
.heading-anchor {
  color: var(--muted-foreground);
  opacity: 0;
  text-decoration: none;
  font-family: var(--font-family-mono);
  font-size: 0.8em;
  transition: opacity 0.1s;
}

h1:hover .heading-anchor,
h2:hover .heading-anchor,
h3:hover .heading-anchor,
h4:hover .heading-anchor,
h5:hover .heading-anchor,
h6:hover .heading-anchor,
.heading-anchor:focus {
  opacity: 1;
}

.heading-anchor:hover {
  color: var(--accent);
  text-decoration: none;
}

/* ── Markdown: footnotes ─────────────────────────────────────────────── */
.footnote-ref a {
  font-family: var(--font-family-mono);
  font-size: 0.75em;
  text-decoration: none;
}

.footnotes {
  margin-top: 2rem;
  font-size: 0.875rem;
  color: var(--muted-foreground);
}

.footnotes ol {
  padding-left: 1.5rem;
}

.footnotes li {
  margin-bottom: 0.5rem;
}

.footnote-back {
  font-family: var(--font-family-mono);
  text-decoration: none;
}

/* ── Syntax highlighting (highlight.js classes, Solarized accents) ───── */
.hljs-comment, .hljs-quote { color: var(--muted-foreground); font-style: italic; }
.hljs-keyword, .hljs-selector-tag, .hljs-literal, .hljs-type { color: var(--sol-green); }
.hljs-string, .hljs-regexp, .hljs-addition { color: var(--sol-cyan); }
.hljs-number, .hljs-symbol, .hljs-bullet, .hljs-link { color: var(--sol-magenta); }
.hljs-title, .hljs-section, .hljs-name, .hljs-function { color: var(--sol-blue); }
.hljs-attribute, .hljs-attr, .hljs-variable, .hljs-template-variable { color: var(--sol-yellow); }
.hljs-built_in, .hljs-builtin-name, .hljs-class { color: var(--sol-orange); }
.hljs-meta, .hljs-deletion { color: var(--sol-red); }
.hljs-emphasis { font-style: italic; }
.hljs-strong { font-weight: 500; }

/* ── Editor: image upload widget ─────────────────────────────────────── */
.editor-media {
  margin-top: 1.5rem;
  padding: 1rem 1.25rem;
  border: 1px dashed var(--border);
  border-radius: var(--radius);
}

.upload-form {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  flex-wrap: wrap;
}

.upload-form input[type="file"] {
  flex: 1;
  min-width: 12rem;
  border: none;
  padding: 0;
  background: none;
  font-family: var(--font-family-mono);
  font-size: 0.75rem;
}

.upload-name {
  width: 12rem;
  flex: 0 1 auto;
}

#upload-result {
  margin-top: 0.75rem;
}

.upload-ok {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  flex-wrap: wrap;
}

.upload-ok code {
  font-size: 0.75rem;
}

.upload-error {
  color: var(--destructive);
  font-family: var(--font-family-mono);
  font-size: 0.8125rem;
  margin: 0;
}

/* ── Settings page ───────────────────────────────────────────────────── */
.settings-wrap {
  max-width: 40rem;
}

.settings-wrap .form-group-inline {
  margin: 1.25rem 0;
}

.settings-saved {
  border: 1px solid var(--sol-green);
  background: color-mix(in srgb, var(--sol-green) 8%, var(--background));
  color: var(--sol-green);
  padding: 0.75rem 1rem;
  margin-bottom: 1rem;
  font-family: var(--font-family-mono);
  font-size: 0.8125rem;
}

.settings-saved p { margin: 0; }

/* ── Settings page sections ──────────────────────────────────────────── */
.settings-section-label {
  font-family: var(--font-family-mono);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted-foreground);
  font-weight: 400;
  margin: 1.75rem 0 0.75rem;
  padding-bottom: 0.375rem;
  border-bottom: 1px solid var(--border);
}

.nav-link-row {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 0.75rem;
}

.nav-link-row .form-group {
  margin-bottom: 0.75rem;
}

.field-note {
  font-size: 0.8125rem;
  color: var(--muted-foreground);
  margin: 0.25rem 0 0.75rem;
}

/* ── Radio player (floating, bottom-left) ────────────────────────────── */
.radio-player {
  position: fixed;
  bottom: 1rem;
  left: 1rem;
  z-index: 40;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.5rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  max-width: 16rem;
  font-family: var(--font-family-mono);
}

.radio-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.radio-btn {
  padding: 0.3125rem 0.4375rem;
  line-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.radio-btn[disabled] {
  opacity: 0.4;
  cursor: not-allowed;
}

#radio-vol {
  width: 5.5rem;
  accent-color: var(--accent);
}

/* Play button swaps between the two icons via .radio-playing */
.radio-icon-pause { display: none; }
.radio-playing .radio-icon-pause { display: block; }
.radio-playing .radio-icon-play  { display: none; }

#radio-expand {
  transition: transform 0.15s;
}

#radio-expand.radio-open {
  transform: rotate(90deg);
}

.radio-channels {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-top: 0.5rem;
  max-height: 12rem;
  overflow-y: auto;
}

.radio-channels[hidden] {
  display: none;
}

.radio-ch {
  text-align: left;
  font-size: 0.6875rem;
  padding: 0.3rem 0.5rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.radio-ch-active {
  border-color: var(--accent);
  color: var(--accent);
}

.radio-loading {
  font-size: 0.6875rem;
  color: var(--muted-foreground);
}

/* ── Mac-8 retro theme ───────────────────────────────────────────────── */
/* Purple desktop, grey raised "window" chrome, black-on-white pages. */
:root[data-theme="mac8"] {
  --background:       #6d6da8;
  --foreground:       #000000;
  --card:             #cccccc;
  --card-foreground:  #000000;
  --muted:            #bbbbbb;
  --muted-foreground: #3a3a3a;
  --accent:           #000080;
  --border:           #808080;
  --ring:             #000080;
  --radius:           0;
  --destructive:      #990000;
}

/* The desktop metaphor, applied uniformly: ALL content lives inside a
   raised grey window — text is never rendered onto the purple desktop.
   The page body (#content) and footer are themselves windows, so every
   element inside them automatically sits on grey; the same chrome is
   shared by the header bar, floating widgets, and inner raised panels. */
[data-theme="mac8"] .main-content,
[data-theme="mac8"] .site-footer,
[data-theme="mac8"] .site-header,
[data-theme="mac8"] .post-card,
[data-theme="mac8"] .no-results,
[data-theme="mac8"] .admin-table-wrap,
[data-theme="mac8"] .login-wrap,
[data-theme="mac8"] .editor-media,
[data-theme="mac8"] .preview-pane,
[data-theme="mac8"] .theme-options,
[data-theme="mac8"] .settings-saved,
[data-theme="mac8"] .editor-error,
[data-theme="mac8"] .radio-player {
  background: #cccccc;
  border: 2px solid;
  border-color: #ffffff #5a5a5a #5a5a5a #ffffff;
  box-shadow: 2px 2px 0 rgba(0, 0, 0, 0.45);
  border-radius: 0;
}

[data-theme="mac8"] .site-header {
  box-shadow: 0 2px 0 rgba(0, 0, 0, 0.45);
}

/* Float the main window and footer window on the desktop. */
[data-theme="mac8"] .main-content {
  margin: 1.5rem auto;
  min-height: 0;
}

[data-theme="mac8"] .site-footer {
  margin: 0 auto 1.5rem;
}

/* Post/page body: black on white, inset like a document well. */
[data-theme="mac8"] .post-body {
  background: #ffffff;
  color: #000000;
  padding: 1.25rem 1.5rem;
  border: 2px solid;
  border-color: #5a5a5a #ffffff #ffffff #5a5a5a;
}

[data-theme="mac8"] .post-body code,
[data-theme="mac8"] .post-body pre {
  background: #eeeeee;
  border-color: #999999;
}

/* Buttons: classic raised chrome that depresses on click. */
[data-theme="mac8"] button:not(.theme-option),
[data-theme="mac8"] .btn,
[data-theme="mac8"] .page-link,
[data-theme="mac8"] .action-link {
  background: #cccccc;
  color: #000000;
  border: 2px solid;
  border-color: #ffffff #5a5a5a #5a5a5a #ffffff;
  border-radius: 0;
}

[data-theme="mac8"] button:not(.theme-option):active,
[data-theme="mac8"] .btn:active {
  border-color: #5a5a5a #ffffff #ffffff #5a5a5a;
}

/* Inputs: white wells with an inset bevel. */
[data-theme="mac8"] input[type="text"],
[data-theme="mac8"] input[type="email"],
[data-theme="mac8"] input[type="search"],
[data-theme="mac8"] input[type="password"],
[data-theme="mac8"] textarea,
[data-theme="mac8"] select {
  background: #ffffff;
  color: #000000;
  border: 2px solid;
  border-color: #5a5a5a #ffffff #ffffff #5a5a5a;
  border-radius: 0;
}

/* Tag pills read as small controls inside the window. */
[data-theme="mac8"] .tag-pill {
  background: #cccccc;
  border: 1px solid #5a5a5a;
  color: #000000;
}

[data-theme="mac8"] .tag-pill:hover,
[data-theme="mac8"] .tag-pill-active {
  background: #9999cc;
  color: #000000;
}