:root {
  --bg: #0f0f0f;
  --bg-panel: #161616;
  --bg-hover: #1e1e1e;
  --border: #2a2a2a;
  --border-active: #444;
  --text: #c8c8c8;
  --text-dim: #555;
  --text-muted: #777;
  --accent: #7da4c8;
  --accent-dim: rgba(125, 164, 200, 0.12);
  --accent-red: #c87d7d;
  --accent-green: #7dc87d;
  --mono: 'JetBrains Mono', monospace;
  --serif: 'Newsreader', Georgia, serif;
  --transition-theme: background 0.2s, color 0.2s, border-color 0.2s;
}

:root.light {
  --bg: #f5f4f0;
  --bg-panel: #eeede9;
  --bg-hover: #e5e4e0;
  --border: #d4d2cc;
  --border-active: #aaa9a4;
  --text: #1a1a1a;
  --text-dim: #aaa9a4;
  --text-muted: #666560;
  --accent: #3a6a94;
  --accent-dim: rgba(58, 106, 148, 0.08);
  --accent-red: #943a3a;
  --accent-green: #3a7a3a;
}

/* ── Theme toggle ── */
.theme-toggle {
  padding: 0 12px;
  border-left: 1px solid var(--border);
  height: 100%;
  display: flex;
  align-items: center;
  cursor: pointer;
  background: none;
  border-top: none;
  border-right: none;
  border-bottom: none;
  color: var(--text-dim);
  font-family: var(--mono);
  font-size: 11px;
  gap: 6px;
  transition: color 0.15s;
  letter-spacing: 0.03em;
}

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

.toggle-icon { font-size: 12px; transition: transform 0.3s; }
:root.light .toggle-icon { transform: rotate(180deg); }

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.7;
  min-height: 100vh;
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border-active); }

/* ── Layout ── */
.shell {
  display: grid;
  grid-template-columns: 220px 1fr;
  grid-template-rows: auto 1fr auto;
  height: 100vh;
  overflow: hidden;
}

/* ── Status bar (top) ── */
.statusbar {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 0;
  border-bottom: 1px solid var(--border);
  background: var(--bg-panel);
  height: 32px;
  font-size: 11px;
  color: var(--text-dim);
  overflow: hidden;
}

.statusbar-tag {
  padding: 0 14px;
  height: 100%;
  display: flex;
  align-items: center;
  border-right: 1px solid var(--border);
  gap: 6px;
}

.statusbar-tag.active {
  background: var(--accent-dim);
  color: var(--accent);
}

.statusbar-spacer { flex: 1; }

.statusbar-right {
  display: flex;
  align-items: center;
  gap: 0;
}

.statusbar-info {
  padding: 0 12px;
  border-left: 1px solid var(--border);
  font-size: 10px;
  color: var(--text-dim);
}

/* ── Sidebar nav ── */
.sidebar {
  border-right: 1px solid var(--border);
  background: var(--bg-panel);
  padding: 24px 0;
  height: 100%;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sidebar-label {
  padding: 6px 16px 4px;
  font-size: 9px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-top: 16px;
}

.sidebar-label:first-child { margin-top: 0; }

.nav-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 12px;
  transition: all 0.1s;
  border-left: 2px solid transparent;
  cursor: pointer;
}

.nav-item:hover {
  color: var(--text);
  background: var(--bg-hover);
}

.nav-item.active {
  color: var(--accent);
  border-left-color: var(--accent);
  background: var(--accent-dim);
}

.nav-item .icon {
  width: 12px;
  text-align: center;
  font-size: 10px;
  opacity: 0.6;
}

/* ── Main content ── */
.main {
  overflow-y: auto;
  padding: 0;
}

/* ── Sections ── */
.section {
  display: none;
  padding: 40px 48px;
  max-width: 900px;
  margin: 0 auto;
  animation: fadein 0.15s ease;
}

.section.active { display: block; }

@keyframes fadein {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Section header ── */
.sec-header {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 32px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.sec-header h1 {
  font-family: var(--serif);
  font-weight: 300;
  font-style: italic;
  font-size: 28px;
  color: var(--text);
  letter-spacing: -0.01em;
}

.sec-header .path {
  font-size: 11px;
  color: var(--text-dim);
}

/* ── Cards ── */
.card {
  border: 1px solid var(--border);
  background: var(--bg-panel);
  padding: 24px;
  margin-bottom: 16px;
  position: relative;
  transition: border-color 0.15s;
}

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

.card-label {
  font-size: 9px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 8px;
}

.card h2 {
  font-family: var(--serif);
  font-weight: 300;
  font-size: 20px;
  color: var(--text);
  margin-bottom: 12px;
}

.card p, .card li {
  color: var(--text-muted);
  line-height: 1.75;
  font-size: 12px;
}

.card ul {
  list-style: none;
  padding: 0;
}

.card ul li::before {
  content: '→ ';
  color: var(--accent);
  font-size: 10px;
}

/* ── Placeholder blocks ── */
.placeholder {
  border: 1px dashed var(--border-active);
  background: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 4px,
    rgba(255,255,255,0.01) 4px,
    rgba(255,255,255,0.01) 8px
  );
  padding: 16px;
  color: var(--text-dim);
  font-size: 11px;
  font-style: italic;
  margin: 12px 0;
  position: relative;
}

.placeholder::before {
  content: '# ';
  color: var(--accent);
}

/* ── Tags/badges ── */
.tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }

.tag {
  font-size: 10px;
  padding: 2px 8px;
  border: 1px solid var(--border-active);
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.tag.hard { border-color: var(--accent); color: var(--accent); }
.tag.soft { border-color: var(--accent-green); color: var(--accent-green); }

/* ── Grid ── */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* ── Inline meta ── */
.meta {
  display: flex;
  gap: 16px;
  font-size: 10px;
  color: var(--text-dim);
  margin-bottom: 12px;
}

.meta span { display: flex; align-items: center; gap: 4px; }

/* ── Separator ── */
.sep {
  border: none;
  border-top: 1px solid var(--border);
  margin: 24px 0;
}

/* ── Skill bar ── */
.skill-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}

.skill-name { width: 140px; font-size: 11px; color: var(--text-muted); flex-shrink: 0; }

.skill-bar-track {
  flex: 1;
  height: 2px;
  background: var(--border);
  position: relative;
}

.skill-bar-fill {
  height: 100%;
  background: var(--accent);
  transition: width 0.8s ease;
}

.skill-level { font-size: 10px; color: var(--text-dim); width: 30px; text-align: right; }

/* ── Reflective quote ── */
.reflection {
  border-left: 2px solid var(--accent);
  padding: 12px 16px;
  margin: 16px 0;
  color: var(--text-muted);
  font-style: italic;
  font-size: 12px;
}

/* ── Footer bar ── */
.footerbar {
  grid-column: 1 / -1;
  border-top: 1px solid var(--border);
  background: var(--bg-panel);
  height: 24px;
  display: flex;
  align-items: center;
  padding: 0 16px;
  gap: 16px;
  font-size: 10px;
  color: var(--text-dim);
}

.footerbar a {
  color: var(--text-dim);
  text-decoration: none;
}

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

/* ── Hero section specifics ── */
.hero-name {
  font-family: 'Space Mono', monospace;
  font-weight: 700;
  font-style: normal;
  font-size: 42px;
  color: var(--text);
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin-bottom: 8px;
}

.hero-name .slash { color: var(--accent); }

.hero-sub {
  font-size: 11px;
  color: var(--text-dim);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 32px;
}

.prompt {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: var(--text-dim);
  margin-top: 32px;
}

.prompt-dollar { color: var(--accent-green); }

/* ── Project section expanded ── */
.project-card {
  border: 1px solid var(--border);
  background: var(--bg-panel);
  margin-bottom: 24px;
  overflow: hidden;
}

.project-header {
  display: flex;
  align-items: stretch;
  cursor: pointer;
  transition: background 0.1s;
}

.project-header:hover { background: var(--bg-hover); }

.project-index {
  width: 48px;
  background: var(--bg);
  border-right: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  color: var(--text-dim);
  flex-shrink: 0;
}

.project-title-block {
  padding: 16px 20px;
  flex: 1;
}

.project-title { font-size: 14px; color: var(--text); margin-bottom: 4px; }

.project-body {
  border-top: 1px solid var(--border);
  padding: 24px;
  display: none;
}

.project-card.open .project-body { display: block; }

.project-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 20px;
}

.project-field-label {
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-dim);
  margin-bottom: 4px;
}

.project-field-value {
  font-size: 12px;
  color: var(--text-muted);
}

.illustration-box {
  border: 1px dashed var(--border-active);
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
  font-size: 11px;
  font-style: italic;
  margin: 16px 0;
  background: var(--bg);
}

/* ── Responsive ── */
@media (max-width: 680px) {
  .shell { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .section { padding: 24px 20px; }
  .grid-2, .project-grid { grid-template-columns: 1fr; }
}

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