:root {
  --bg: #0f1419;
  --bg-elev: #16192250;
  --panel: #1a1f2e;
  --panel-2: #222838;
  --border: #2b3147;
  --fg: #c0caf5;
  --fg-dim: #8089b3;
  --muted: #565f89;
  --blue: #7aa2f7;
  --purple: #bb9af7;
  --green: #9ece6a;
  --yellow: #e0af68;
  --orange: #ff9e64;
  --pink: #f7768e;
  --cyan: #7dcfff;
  --font-mono: 'JetBrains Mono', 'SF Mono', Menlo, Consolas, monospace;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.55;
  font-feature-settings: "calt", "ss01";
}

body.page { overflow: hidden; }

*::-webkit-scrollbar { width: 10px; height: 10px; }
*::-webkit-scrollbar-track { background: transparent; }
*::-webkit-scrollbar-thumb { background: #2b3147; border-radius: 6px; }
*::-webkit-scrollbar-thumb:hover { background: #3b4268; }

button, input, textarea { font-family: inherit; color: inherit; }

@keyframes blink { 0%, 49% { opacity: 1 } 50%, 100% { opacity: 0 } }

/* shell */
.shell {
  display: grid;
  grid-template-rows: 28px 36px 1fr 26px;
  height: 100%;
  width: 100%;
}

.titlebar {
  display: flex; align-items: center; gap: 10px;
  padding: 0 12px;
  background: #0b0e14;
  border-bottom: 1px solid var(--border);
  font-size: 12px; color: var(--fg-dim);
}
.tl-dots { display: flex; gap: 6px; }
.tl-dots i { width: 11px; height: 11px; border-radius: 50%; display: inline-block; }
.tl-dots i:nth-child(1) { background: #ff5f57; }
.tl-dots i:nth-child(2) { background: #febc2e; }
.tl-dots i:nth-child(3) { background: #28c840; }
.tl-title { flex: 1; text-align: center; letter-spacing: 0.02em; }
.tl-title b { color: var(--fg); font-weight: 500; }
.tl-meta { color: var(--muted); font-size: 11px; }

.tabbar {
  display: flex; align-items: stretch;
  background: #0b0e14;
  border-bottom: 1px solid var(--border);
  padding: 0 8px;
  gap: 2px;
  overflow-x: auto;
  scrollbar-width: none;
}
.tabbar::-webkit-scrollbar { display: none; }
.tab {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 0 14px;
  color: var(--fg-dim);
  font-size: 12px;
  border: none; background: transparent;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  position: relative;
  text-decoration: none;
  white-space: nowrap;
}
.tab:hover { color: var(--fg); }
.tab.active { color: var(--fg); background: var(--bg); border-bottom-color: var(--blue); }
.tab .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--green); box-shadow: 0 0 6px var(--green); }
.tab-spacer { flex: 1; }
.tab-hint { display: inline-flex; align-items: center; color: var(--muted); font-size: 11px; padding: 0 10px; gap: 6px; white-space: nowrap; }
kbd {
  font-family: var(--font-mono);
  font-size: 10px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-bottom-width: 2px;
  color: var(--fg-dim);
  padding: 1px 5px;
  border-radius: 4px;
}

/* main: terminal scroll area + side panel */
.main {
  display: grid;
  grid-template-columns: 1fr 360px;
  min-height: 0;
  background: var(--bg);
}
.main.no-side { grid-template-columns: 1fr; }

.terminal {
  overflow: auto;
  padding: 14px 18px 40px 18px;
  scroll-behavior: smooth;
  position: relative;
}

.sidepanel {
  border-left: 1px solid var(--border);
  display: flex; flex-direction: column;
  background: #0c1017;
  min-height: 0;
}
.sp-section {
  border-bottom: 1px solid var(--border);
  padding: 10px 12px;
  font-size: 12px;
}
.sp-section.flex { flex: 1; min-height: 0; display: flex; flex-direction: column; }
.sp-title { color: var(--muted); text-transform: uppercase; font-size: 10px; letter-spacing: 0.12em; margin-bottom: 8px; display: flex; align-items: center; gap: 6px; }
.sp-title .live { width: 6px; height: 6px; border-radius: 50%; background: var(--pink); animation: blink 1.2s infinite; }

.stat-row { display: flex; justify-content: space-between; padding: 2px 0; }
.stat-row .k { color: var(--fg-dim); }
.stat-row .v { color: var(--fg); }
.stat-row .v.g { color: var(--green); }
.stat-row .v.b { color: var(--blue); }
.stat-row .v.y { color: var(--yellow); }

.bar { height: 6px; background: var(--panel); border-radius: 3px; overflow: hidden; margin-top: 4px; }
.bar > span { display: block; height: 100%; background: var(--blue); transition: width 0.4s ease; }
.bar.g > span { background: var(--green); }
.bar.y > span { background: var(--yellow); }
.bar.p > span { background: var(--purple); }

.bar-row { margin: 6px 0; }
.bar-row .k { color: var(--fg-dim); display: flex; justify-content: space-between; font-size: 11px; }

.log-stream {
  flex: 1; overflow: auto; min-height: 0;
  font-size: 11px; line-height: 1.45;
  padding-right: 4px;
  font-family: var(--font-mono);
}
.log-line { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.log-line .t { color: var(--muted); }
.log-line .lv-info { color: var(--blue); }
.log-line .lv-warn { color: var(--yellow); }
.log-line .lv-err { color: var(--pink); }
.log-line .lv-ok { color: var(--green); }
.log-line .src { color: var(--purple); }

/* statusbar */
.statusbar {
  display: flex; align-items: center;
  background: #0b0e14;
  border-top: 1px solid var(--border);
  font-size: 11px;
  padding: 0;
  color: var(--fg-dim);
}
.sb-seg { padding: 0 10px; height: 100%; display: flex; align-items: center; gap: 6px; }
.sb-seg.accent { background: var(--blue); color: #0b0e14; font-weight: 600; }
.sb-seg.accent.p { background: var(--purple); }
.sb-seg.accent.g { background: var(--green); }
.sb-spacer { flex: 1; }

/* terminal lines / panel chrome */
.line { white-space: pre-wrap; word-break: break-word; }
.prompt { color: var(--green); }
.prompt .at { color: var(--fg-dim); }
.prompt .host { color: var(--purple); }
.prompt .path { color: var(--blue); }
.prompt .arrow { color: var(--pink); margin: 0 6px 0 4px; }
.cmd { color: var(--fg); }
.out-dim { color: var(--fg-dim); }
.out-muted { color: var(--muted); }
.err { color: var(--pink); }
.ok { color: var(--green); }
.warn { color: var(--yellow); }

.panel {
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 10px 12px;
  margin: 6px 0;
  background: var(--bg-elev);
}
.panel-hd {
  display: flex; justify-content: space-between;
  color: var(--muted); font-size: 11px;
  border-bottom: 1px dashed var(--border);
  padding-bottom: 6px; margin-bottom: 8px;
}

/* article rows (blog index, tools list) */
.art-row {
  display: grid;
  grid-template-columns: 110px 1fr auto;
  gap: 14px;
  padding: 8px 6px;
  border-left: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
}
.art-row:hover { background: var(--panel); border-left-color: var(--blue); }
.art-row .date { color: var(--cyan); }
.art-row .title { color: var(--fg); }
.art-row:hover .title { color: var(--blue); }
.art-row .reads { color: var(--muted); font-size: 11px; }
.art-tag { color: var(--purple); margin-right: 6px; font-size: 11px; }
.art-row .desc { color: var(--fg-dim); font-size: 12px; margin-top: 3px; }

/* article reader */
.reader {
  max-width: 760px;
  padding: 10px 4px 60px;
  margin: 0 auto;
}
.reader h1, .reader h2, .reader h3 {
  font-family: var(--font-mono);
  color: var(--purple);
  margin: 24px 0 10px;
  font-weight: 600;
}
.reader h1 { font-size: 24px; color: var(--fg); }
.reader h1::before { content: "# "; color: var(--pink); }
.reader h2 { font-size: 17px; }
.reader h2::before { content: "## "; color: var(--pink); }
.reader h3 { font-size: 15px; }
.reader h3::before { content: "### "; color: var(--pink); }
.reader p, .reader li {
  font-family: var(--font-sans);
  color: var(--fg);
  font-size: 15px;
  line-height: 1.7;
  text-wrap: pretty;
}
.reader p { margin: 12px 0; }
.reader ul, .reader ol { margin: 12px 0; padding-left: 24px; }
.reader li { margin: 4px 0; }
.reader strong { color: var(--cyan); font-weight: 600; }
.reader em { color: var(--yellow); font-style: italic; }
.reader a { color: var(--blue); text-decoration: underline; text-decoration-color: color-mix(in oklab, var(--blue) 40%, transparent); text-underline-offset: 3px; }
.reader a:hover { color: var(--cyan); }
.reader code {
  font-family: var(--font-mono);
  background: var(--panel);
  border: 1px solid var(--border);
  padding: 1px 6px;
  border-radius: 3px;
  font-size: 13px;
  color: var(--green);
}
.reader pre {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 12px 14px;
  overflow-x: auto;
  font-size: 13px;
  line-height: 1.5;
  margin: 14px 0;
}
.reader pre code {
  background: transparent;
  border: none;
  padding: 0;
  color: var(--fg);
}
.reader blockquote {
  border-left: 2px solid var(--purple);
  background: color-mix(in oklab, var(--purple) 6%, transparent);
  margin: 14px 0;
  padding: 8px 14px;
  color: var(--fg-dim);
  font-family: var(--font-sans);
  font-size: 15px;
}
.reader img { max-width: 100%; height: auto; border-radius: 4px; border: 1px solid var(--border); }
.reader hr { border: none; border-top: 1px dashed var(--border); margin: 24px 0; }

.reader .meta {
  color: var(--muted); font-size: 12px;
  display: flex; gap: 14px; flex-wrap: wrap;
  border-bottom: 1px dashed var(--border);
  padding-bottom: 10px; margin-bottom: 14px;
  font-family: var(--font-mono);
}
.reader .meta .tag { color: var(--purple); }
.reader .meta .reads { color: var(--cyan); }
.reader .meta a.link { color: var(--blue); text-decoration: underline; }
.reader .meta a.link:hover { color: var(--cyan); }

.reader .footer-row {
  margin-top: 28px;
  padding-top: 14px;
  border-top: 1px dashed var(--border);
  display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
}
.reader .footer-row a { color: var(--blue); text-decoration: none; }
.reader .footer-row a:hover { color: var(--cyan); text-decoration: underline; }

/* video embed boxes inside articles */
.reader .video-embed {
  border: 1px solid var(--border);
  border-left: 3px solid var(--pink);
  background: color-mix(in oklab, var(--pink) 4%, transparent);
  border-radius: 4px;
  padding: 12px 14px;
  margin: 16px 0;
  font-family: var(--font-mono);
  font-size: 13px;
}
.reader .video-embed a { color: var(--cyan); }

.link {
  color: var(--blue);
  text-decoration: underline;
  text-decoration-color: color-mix(in oklab, var(--blue) 40%, transparent);
  text-underline-offset: 3px;
  cursor: pointer;
}
.link:hover { color: var(--cyan); text-decoration-color: currentColor; }

::selection { background: color-mix(in oklab, var(--blue) 35%, transparent); }

/* responsive */
@media (max-width: 1100px) {
  .main { grid-template-columns: 1fr 300px; }
}
@media (max-width: 900px) {
  .main { grid-template-columns: 1fr; }
  .sidepanel { display: none; }
  .tab-hint { display: none; }
  .terminal { padding: 12px 14px 40px 14px; }
}