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

:root {
  --bg:       #0d1117;
  --surface:  #161b22;
  --border:   #21262d;
  --muted:    #484f58;
  --dim:      #8b949e;
  --text:     #c9d1d9;
  --bright:   #e6edf3;
  --green:    #3fb950;
  --blue:     #58a6ff;
  --orange:   #f0883e;
  --merged:   #a371f7;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px;
  line-height: 1.7;
  max-width: 780px;
  margin: 0 auto;
  padding: 60px 24px 120px;
}

/* ── Header ── */
header { margin-bottom: 56px; }

.name {
  font-size: 26px;
  font-weight: 600;
  color: var(--bright);
  letter-spacing: -0.5px;
}

.title {
  color: var(--green);
  font-size: 13px;
  margin-top: 4px;
}

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 20px;
}

.meta a {
  color: var(--dim);
  text-decoration: none;
  font-size: 13px;
  transition: color 0.15s;
}
.meta a:hover { color: var(--blue); }

.meta a::before { content: attr(data-icon) " "; }

.summary {
  margin-top: 24px;
  color: var(--text);
  max-width: 660px;
  border-left: 2px solid var(--green);
  padding-left: 14px;
  font-size: 13.5px;
}

/* ── Section ── */
section { margin-bottom: 52px; }

.section-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 20px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

/* ── Experience ── */
.job { margin-bottom: 32px; }
.job:last-child { margin-bottom: 0; }

.job-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 6px;
}

.job-company {
  color: var(--bright);
  font-weight: 600;
  font-size: 14px;
}

.job-role {
  color: var(--dim);
  font-size: 12px;
  margin-top: 2px;
}

.job-period {
  color: var(--muted);
  font-size: 12px;
  white-space: nowrap;
}

.bullets {
  margin-top: 10px;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.bullets li {
  color: var(--text);
  font-size: 13px;
  padding-left: 16px;
  position: relative;
}

.bullets li::before {
  content: "›";
  color: var(--muted);
  position: absolute;
  left: 0;
}

.stat {
  color: var(--green);
  font-weight: 500;
}

/* ── Open Source ── */
.oss-scroll,
.oss-groups {
  max-height: 520px;
  overflow-y: auto;
  padding-right: 6px;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

.oss-scroll::-webkit-scrollbar,
.oss-groups::-webkit-scrollbar { width: 4px; }
.oss-scroll::-webkit-scrollbar-track,
.oss-groups::-webkit-scrollbar-track { background: transparent; }
.oss-scroll::-webkit-scrollbar-thumb,
.oss-groups::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}
.oss-scroll::-webkit-scrollbar-thumb:hover,
.oss-groups::-webkit-scrollbar-thumb:hover { background: var(--muted); }

.oss-stats {
  font-size: 12px;
  color: var(--dim);
  margin-bottom: 16px;
}

.oss-repo-group { margin-bottom: 20px; }
.oss-repo-group:last-child { margin-bottom: 0; }

.oss-repo {
  margin-bottom: 8px;
  font-size: 12px;
  color: var(--dim);
}

.oss-repo a {
  color: var(--blue);
  text-decoration: none;
}
.oss-repo a:hover { text-decoration: underline; }

.pr-list { display: flex; flex-direction: column; gap: 8px; }

.pr {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: start;
  gap: 10px;
  padding: 12px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  text-decoration: none;
  transition: border-color 0.15s;
}
.pr:hover { border-color: var(--muted); }

.pr-badge {
  font-size: 10px;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 20px;
  white-space: nowrap;
  margin-top: 2px;
}

.badge-merged {
  background: rgba(163, 113, 247, 0.15);
  color: var(--merged);
  border: 1px solid rgba(163, 113, 247, 0.3);
}

.badge-open {
  background: rgba(63, 185, 80, 0.1);
  color: var(--green);
  border: 1px solid rgba(63, 185, 80, 0.25);
}

.badge-closed {
  background: rgba(139, 148, 158, 0.1);
  color: var(--dim);
  border: 1px solid rgba(139, 148, 158, 0.2);
}

.pr-body { min-width: 0; }

.pr-title {
  color: var(--bright);
  font-size: 13px;
  font-weight: 500;
  line-height: 1.4;
}

.pr-desc {
  color: var(--dim);
  font-size: 12px;
  margin-top: 3px;
  line-height: 1.5;
}

.pr-num {
  color: var(--muted);
  font-size: 11px;
  white-space: nowrap;
  margin-top: 2px;
}

/* ── Projects ── */
.project { margin-bottom: 28px; }
.project:last-child { margin-bottom: 0; }

.project-header {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
}

.project-name {
  color: var(--bright);
  font-weight: 600;
  font-size: 14px;
}

.project-link {
  color: var(--blue);
  font-size: 11px;
  text-decoration: none;
}
.project-link:hover { text-decoration: underline; }

.project-tag {
  color: var(--muted);
  font-size: 11px;
}

/* ── Skills ── */
.skill-grid {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.skill-row {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 12px;
  font-size: 13px;
}

.skill-category { color: var(--dim); }

.skill-values { color: var(--text); }

/* ── Architecture ── */
.arch-intro {
  color: var(--text);
  font-size: 13px;
  max-width: 680px;
  margin-bottom: 22px;
}

.arch {
  display: flex;
  flex-direction: column;
  gap: 6px;
  border: 1px dashed var(--border);
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 24px;
}

.arch-node {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px 14px;
  text-align: center;
}

.arch-node-title {
  color: var(--bright);
  font-size: 13px;
  font-weight: 600;
}

.arch-node-sub {
  color: var(--dim);
  font-size: 11.5px;
  margin-top: 3px;
}

.arch-lang {
  font-size: 10px;
  font-weight: 500;
  color: var(--green);
  background: rgba(63, 185, 80, 0.08);
  border: 1px solid rgba(63, 185, 80, 0.3);
  border-radius: 20px;
  padding: 1px 7px;
  margin-left: 6px;
  vertical-align: middle;
}

/* tier accents — colour-code each layer via left border */
.tier-client { border-left: 3px solid var(--dim); }
.tier-api    { border-left: 3px solid var(--blue); }
.tier-queue  { border-left: 3px solid var(--orange); }
.tier-worker { border-left: 3px solid var(--green); }
.tier-leaf   { border-left: 3px solid var(--merged); }

.arch-cols {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-top: 12px;
}

.arch-cell {
  display: flex;
  flex-direction: column;
  gap: 2px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 8px 6px;
  font-size: 11.5px;
  color: var(--text);
}

.arch-cell small {
  color: var(--muted);
  font-size: 10px;
}

.arch-flow {
  text-align: center;
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.5px;
}

.arch-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.arch-notes {
  border-left: 2px solid var(--orange);
  padding-left: 14px;
}

.arch-notes-title {
  color: var(--orange);
  font-size: 11px;
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.arch code,
.arch-notes code {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 5px;
  font-size: 12px;
  color: var(--bright);
}

/* compact horizontal pipeline variant (per-project diagrams) */
.arch-compact {
  gap: 8px;
  padding: 16px;
  margin-top: 14px;
  margin-bottom: 0;
}

.arch-cap {
  text-align: center;
  color: var(--muted);
  font-size: 10.5px;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.arch-pipe {
  display: flex;
  align-items: stretch;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
}

.arch-pipe .arch-node {
  flex: 1 1 130px;
  min-width: 110px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.arch-arrow {
  display: flex;
  align-items: center;
  color: var(--muted);
  font-size: 13px;
}

/* ── Footer ── */
footer {
  margin-top: 60px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 11px;
}

@media (max-width: 540px) {
  body { padding: 36px 16px 80px; }
  .skill-row { grid-template-columns: 1fr; gap: 2px; }
  .pr { grid-template-columns: auto 1fr; }
  .pr-num { display: none; }
  .arch { padding: 14px; }
  .arch-cols { grid-template-columns: repeat(2, 1fr); }
  .arch-row { grid-template-columns: 1fr; }
  .arch-pipe { flex-direction: column; }
  .arch-arrow { display: none; }
}