:root {
  --bg: #ffffff;
  --surface: #f5f5f5;
  --border: #e0e0e0;
  --text: #111111;
  --muted: #999;
  --accent: #4f5ef7;
  --accent-dim: rgba(79, 94, 247, 0.08);
  /* IBM command-prompt look — monospace everywhere. */
  --font-mono: "IBM Plex Mono", "Cascadia Code", ui-monospace, monospace;
  --font-prose: "IBM Plex Mono", "Cascadia Code", ui-monospace, monospace;
}

[data-theme="dark"] {
  --bg: #0f0f0f;
  --surface: #161616;
  --border: #2a2a2a;
  --text: #e8e8e8;
  --muted: #555;
  --accent: #7c8cf8;
  --accent-dim: rgba(124, 140, 248, 0.12);
}

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

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-mono);
  -webkit-font-smoothing: antialiased;
  transition: background 0.15s, color 0.15s;
}

/* ── Nav bar (inner pages) ─────────────────────────────────────── */

#site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: 48px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 12px;
}

#site-nav .prompt-glyph {
  color: var(--accent);
  font-size: 14px;
  user-select: none;
  flex-shrink: 0;
}

#site-nav .nav-search-wrap {
  position: relative;
  flex: 1;
  max-width: 600px;
}

#site-nav .nav-search-wrap input {
  width: 100%;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 14px;
  padding: 0;
  caret-color: var(--accent);
}

#site-nav .nav-search-wrap input::placeholder {
  color: var(--muted);
}

#nav-display {
  font-size: 14px;
  color: var(--muted);
  cursor: text;
}

#nav-display:hover {
  color: var(--text);
}

/* ── Theme toggle ──────────────────────────────────────────────── */

#theme-toggle {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--muted);
  font-size: 13px;
  padding: 4px 6px;
  border-radius: 4px;
  flex-shrink: 0;
  transition: color 0.1s;
  font-family: var(--font-mono);
  margin-left: auto;
}

#theme-toggle:hover { color: var(--text); }

/* ── Home prompt ───────────────────────────────────────────────── */

#home-wrap {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 0 24px;
}

#home-wordmark {
  font-size: 13px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 48px;
  user-select: none;
}

#home-prompt-row {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  max-width: 640px;
}

#home-prompt-glyph {
  color: var(--accent);
  font-size: 18px;
  user-select: none;
  flex-shrink: 0;
}

#home-search-wrap {
  position: relative;
  flex: 1;
}

#home-search-input {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border);
  outline: none;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 18px;
  padding: 8px 0;
  caret-color: var(--accent);
  transition: border-color 0.15s;
}

#home-search-input:focus {
  border-bottom-color: var(--accent);
}

#home-search-input::placeholder {
  color: var(--muted);
}

#home-hint {
  margin-top: 24px;
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.05em;
  opacity: 0;
  transition: opacity 0.4s;
}

#home-hint.visible { opacity: 1; }

#home-theme-toggle {
  position: fixed;
  top: 20px;
  right: 24px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--muted);
  font-size: 13px;
  font-family: var(--font-mono);
  padding: 4px 6px;
  border-radius: 4px;
}

#home-theme-toggle:hover { color: var(--text); }

/* ── Dropdown ──────────────────────────────────────────────────── */

.search-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: -36px;
  right: 0;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  z-index: 200;
  display: none;
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}

[data-theme="dark"] .search-dropdown {
  box-shadow: 0 4px 16px rgba(0,0,0,0.4);
}

.search-dropdown.open { display: block; }

#site-nav .search-dropdown {
  left: 0;
  top: calc(100% + 6px);
}

.search-dropdown ul {
  list-style: none;
  max-height: 320px;
  overflow-y: auto;
}

.search-dropdown li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 10px 16px;
  cursor: pointer;
  border-bottom: 1px solid var(--border);
  transition: background 0.1s;
}

.search-dropdown li:last-child { border-bottom: none; }

.search-dropdown li:hover,
.search-dropdown li.active {
  background: var(--accent-dim);
}

.search-dropdown .item-title {
  font-size: 14px;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex-shrink: 0;
  max-width: 55%;
}

.search-dropdown .item-url {
  font-size: 11px;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
}

.search-dropdown .item-badge {
  font-size: 10px;
  color: var(--accent);
  border: 1px solid currentColor;
  border-radius: 3px;
  padding: 1px 5px;
  margin-left: auto;
  flex-shrink: 0;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.search-dropdown .item-badge.pinned {
  color: var(--muted);
  border-color: var(--border);
}

/* Destination-kind badges (download / pwa) — accent-coloured. */
.search-dropdown .item-badge.kind-download,
.search-dropdown .item-badge.kind-pwa {
  color: var(--accent);
  border-color: var(--accent);
}

/* ── Downloads page list ───────────────────────────────────────── */

.app-list {
  list-style: none;
  margin-top: 32px;
}

.app-list li {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: baseline;
  gap: 6px 12px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}

.app-list a {
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--text);
  text-decoration: none;
}
.app-list a:hover { color: var(--accent); }

.app-list .app-kind {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent);
  border: 1px solid currentColor;
  border-radius: 3px;
  padding: 1px 6px;
  justify-self: end;
}

.app-list .app-desc {
  grid-column: 1 / -1;
  font-family: var(--font-prose);
  font-size: 14px;
  color: var(--muted);
}

/* separator before pinned section */
.search-dropdown li.pinned-separator {
  display: block;
  padding: 0;
  height: 0;
  border-bottom: 1px solid var(--border);
  cursor: default;
  pointer-events: none;
}

.search-dropdown .no-results {
  padding: 14px 16px;
  font-size: 13px;
  color: var(--muted);
}

/* ── Inner page layout ─────────────────────────────────────────── */

.page-body {
  margin-top: 48px;
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
  padding: 64px 24px 120px;
}

.page-body h1 {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 8px;
  font-family: var(--font-mono);
}

.page-body .post-meta {
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 40px;
  letter-spacing: 0.04em;
}

.page-body .content {
  font-family: var(--font-prose);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  opacity: 0.85;
}

[data-theme="dark"] .page-body .content { opacity: 1; color: #c8c8c8; }

.page-body .content h2 {
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
  opacity: 1;
  margin: 2.5em 0 0.75em;
}

.page-body .content h3 {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  opacity: 1;
  margin: 2em 0 0.5em;
}

.page-body .content p { margin-bottom: 1.2em; }

.page-body .content a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-body .content code {
  font-family: var(--font-mono);
  font-size: 13px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 1px 6px;
}

.page-body .content pre {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 16px;
  overflow-x: auto;
  margin: 1.5em 0;
}

.page-body .content pre code {
  background: none;
  border: none;
  padding: 0;
  font-size: 13px;
}

/* ── Post list ─────────────────────────────────────────────────── */

.post-list {
  list-style: none;
  margin-top: 32px;
}

.post-list li {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}

.post-list .post-date {
  font-size: 12px;
  color: var(--muted);
  flex-shrink: 0;
  width: 96px;
}

.post-list a {
  color: var(--text);
  text-decoration: none;
  font-size: 15px;
}

.post-list a:hover { color: var(--accent); }

/* ── Scrollbar ─────────────────────────────────────────────────── */

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

/* ── Block cursor (old IBM command-prompt) ─────────────────────── */
.has-block-cursor { caret-color: transparent; }
.cursor-mirror {
  position: absolute;
  visibility: hidden;
  white-space: pre;
  top: 0;
  left: 0;
  pointer-events: none;
}
.block-cursor {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 0.6em;
  height: 1.15em;
  background: var(--accent);
  pointer-events: none;
  animation: uf-blink 1.06s steps(1) infinite;
}
@keyframes uf-blink { 50% { opacity: 0; } }