/* ─── tokens ──────────────────────────────────────────────────────── */
:root {
  --fs-base: 14px;
  --mono: "JetBrains Mono", "IBM Plex Mono", "SF Mono", ui-monospace, Menlo, Consolas, monospace;
}

/* themes */
:root[data-theme="cream"] {
  --bg: #f4f1ea;
  --bg-2: #ece7dc;
  --ink: #1a1a1a;
  --ink-2: #4a463e;
  --muted: #8a8378;
  --rule: #cfc8b8;
  --accent: oklch(0.55 0.15 50);
  --accent-2: oklch(0.4 0.05 50);
  --ok: oklch(0.55 0.13 145);
  --pending: oklch(0.62 0.14 80);
}
:root[data-theme="paper"] {
  --bg: #ffffff;
  --bg-2: #f5f5f3;
  --ink: #111111;
  --ink-2: #444;
  --muted: #888;
  --rule: #d8d8d4;
  --accent: oklch(0.5 0.15 30);
  --accent-2: oklch(0.35 0.05 30);
  --ok: oklch(0.5 0.13 145);
  --pending: oklch(0.6 0.14 80);
}
:root[data-theme="mono"] {
  --bg: #ededeb;
  --bg-2: #dedcd8;
  --ink: #111111;
  --ink-2: #333;
  --muted: #777;
  --rule: #b8b6b0;
  --accent: #111;
  --accent-2: #444;
  --ok: #111;
  --pending: #555;
}
:root[data-theme="term"] {
  --bg: #0b0d0a;
  --bg-2: #131613;
  --ink: #cfe7c3;
  --ink-2: #97b88c;
  --muted: #5d7656;
  --rule: #2a3327;
  --accent: oklch(0.85 0.18 145);
  --accent-2: oklch(0.7 0.13 145);
  --ok: oklch(0.85 0.18 145);
  --pending: oklch(0.78 0.15 90);
}
:root[data-theme="amber"] {
  --bg: #000000;
  --bg-2: #0a0a0c;
  --ink: #f5d4d8;          /* soft pastel pink */
  --ink-2: #c8b6c8;        /* dusty lavender */
  --muted: #6e6478;
  --rule: #2a232f;
  --accent: #b8e4c9;       /* pastel mint */
  --accent-2: #c5b8e6;     /* pastel lilac */
  --ok: #b8e4c9;
  --pending: #f5d4d8;
}
:root[data-theme="cream-dark"] {
  --bg:      #1c1814;
  --bg-2:    #252018;
  --ink:     #e8e0d0;
  --ink-2:   #b0a898;
  --muted:   #6b6358;
  --rule:    #3a332b;
  --accent:  oklch(0.72 0.15 50);
  --accent-2: oklch(0.55 0.08 50);
  --ok:      oklch(0.72 0.13 145);
  --pending: oklch(0.75 0.14 80);
}
:root[data-theme="neon"] {
  --bg:       #090909;
  --bg-2:     #0e160e;
  --ink:      #d0ffd0;
  --ink-2:    #6bcc6b;
  --muted:    #2b6b2b;
  --rule:     #143314;
  --accent:   #00ff41;
  --accent-2: #00aa28;
  --ok:       #00ff41;
  --pending:  #f5e32a;
}

/* ─── base ────────────────────────────────────────────────────────── */
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--mono);
  font-size: var(--fs-base);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body { min-height: 100vh; }

::selection { background: var(--accent); color: var(--bg); }

a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px dotted color-mix(in oklab, var(--accent) 60%, transparent);
}
a:hover { color: var(--ink); border-bottom-color: var(--ink); }

kbd {
  font-family: var(--mono);
  font-size: 0.85em;
  padding: 1px 5px;
  border: 1px solid var(--rule);
  border-bottom-width: 2px;
  border-radius: 3px;
  background: var(--bg-2);
  color: var(--ink-2);
}

em { font-style: normal; color: var(--accent); }

/* ─── scanlines ───────────────────────────────────────────────────── */
:root[data-scan="on"] body::after {
  content: "";
  position: fixed; inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    to bottom,
    rgba(0,0,0,0) 0,
    rgba(0,0,0,0) 2px,
    rgba(0,0,0,0.06) 3px,
    rgba(0,0,0,0) 4px
  );
  mix-blend-mode: multiply;
  z-index: 100;
}

/* ─── layout ──────────────────────────────────────────────────────── */
.app {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
  max-width: 1400px;
  margin: 0 auto;
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 0 22px;
  border-right: 1px dashed var(--rule);
  display: flex;
  flex-direction: column;
  justify-content: space-evenly;
  gap: clamp(20px, 2.5vh, 28px);
  overflow-y: auto;
}

.main {
  padding: 56px 56px 80px;
  max-width: 920px;
}

/* ─── sidebar ─────────────────────────────────────────────────────── */
.sb-id pre {
  margin: 0 0 6px;
  color: var(--accent);
  font-size: 0.85em;
  line-height: 1.2;
}
.sb-tag { margin: 0; color: var(--muted); font-size: 0.8em; }

.sb-h {
  margin: 0 0 clamp(4px, 0.9vh, 8px);
  color: var(--muted);
  font-size: 0.78em;
  letter-spacing: 0.06em;
}

.sb-nav { display: flex; flex-direction: column; gap: 1px; }
.sb-link {
  display: grid;
  grid-template-columns: 18px 14px 1fr;
  align-items: center;
  gap: 6px;
  padding: clamp(2px, 0.5vh, 4px) 8px;
  background: transparent;
  border: 0;
  color: var(--ink-2);
  font: inherit;
  text-align: left;
  cursor: pointer;
  border-radius: 2px;
}
.sb-link:hover { color: var(--ink); background: var(--bg-2); }
.sb-link.active { color: var(--accent); background: var(--bg-2); }
.sb-num { color: var(--muted); }
.sb-link.active .sb-num { color: var(--accent-2); }
.sb-arrow { color: var(--accent); }

.sb-foot { display: flex; flex-direction: column; gap: clamp(8px, 1.5vh, 14px); }
.sb-status { font-size: 0.82em; color: var(--ink-2); display: flex; flex-direction: column; gap: clamp(3px, 0.5vh, 5px); }
.sb-st-k { color: var(--muted); }
.sb-ok { color: var(--ok); }

.sb-links { display: flex; flex-direction: column; gap: clamp(4px, 0.8vh, 8px); }
.sb-lnks { display: flex; flex-direction: column; gap: 1px; }
.sb-ext {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: clamp(1px, 0.3vh, 3px) 8px;
  color: var(--ink-2);
  font-size: 0.88em;
  border-bottom: 0;
  border-radius: 2px;
  transition: color 0.1s, background 0.1s;
}
.sb-ext:hover { color: var(--accent); background: var(--bg-2); border-bottom: 0; }
.sb-ext-arr { color: var(--accent); }

.sb-theme { display: flex; flex-direction: column; gap: clamp(4px, 0.8vh, 8px); }
.theme-opts { display: flex; flex-direction: column; gap: clamp(2px, 0.4vh, 4px); }
.theme-opt {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: clamp(4px, 0.75vh, 7px) 10px;
  background: transparent;
  border: 1px dashed var(--rule);
  color: var(--ink-2);
  font: inherit;
  font-size: 0.85em;
  text-align: left;
  cursor: pointer;
  border-radius: 2px;
  transition: color 0.12s, border-color 0.12s, background 0.12s;
}
.theme-opt:hover { color: var(--ink); border-color: var(--muted); }
.topt-dot { color: var(--accent); width: 1ch; flex-shrink: 0; }
.topt-name { font-weight: 600; letter-spacing: 0.05em; }
.topt-sub { color: var(--muted); margin-left: auto; font-size: 0.82em; letter-spacing: 0.03em; }

/* per-theme selected highlight — hardcoded to each theme's signature colour */
.theme-opt[data-opt="cream"].selected {
  border: 1px solid oklch(0.55 0.15 50);
  color: oklch(0.55 0.15 50);
  background: oklch(0.55 0.15 50 / 0.08);
}
.theme-opt[data-opt="cream"].selected .topt-dot,
.theme-opt[data-opt="cream"].selected .topt-name { color: oklch(0.55 0.15 50); }
.theme-opt[data-opt="cream"].selected .topt-sub  { color: oklch(0.55 0.15 50 / 0.6); }

.theme-opt[data-opt="cream-dark"].selected {
  border: 1px solid oklch(0.72 0.15 50);
  color: oklch(0.72 0.15 50);
  background: oklch(0.72 0.15 50 / 0.1);
}
.theme-opt[data-opt="cream-dark"].selected .topt-dot,
.theme-opt[data-opt="cream-dark"].selected .topt-name { color: oklch(0.72 0.15 50); }
.theme-opt[data-opt="cream-dark"].selected .topt-sub  { color: oklch(0.72 0.15 50 / 0.6); }

.theme-opt[data-opt="neon"].selected {
  border: 1px solid #00ff41;
  color: #00ff41;
  background: rgba(0, 255, 65, 0.07);
  box-shadow: 0 0 8px rgba(0, 255, 65, 0.18);
}
.theme-opt[data-opt="neon"].selected .topt-dot,
.theme-opt[data-opt="neon"].selected .topt-name { color: #00ff41; }
.theme-opt[data-opt="neon"].selected .topt-sub  { color: rgba(0, 255, 65, 0.55); }

/* ─── hero ────────────────────────────────────────────────────────── */
.hero { padding-bottom: 48px; }

.banner {
  margin: 0 0 18px;
  font-size: clamp(6px, 0.75vw, 10px);
  line-height: 1.05;
  color: var(--accent);
  white-space: pre;
  overflow: hidden;
  font-weight: 600;
}

.hero-name-text {
  font-size: 2.4em;
  margin: 0 0 18px;
  letter-spacing: -0.02em;
  font-weight: 600;
}

.hero-meta {
  border-left: 2px solid var(--rule);
  padding: 4px 0 4px 14px;
  margin-bottom: 24px;
  font-size: 0.95em;
}
.meta-row { display: flex; gap: 10px; }
.meta-k { color: var(--muted); width: 4.5ch; }
.meta-sep { color: var(--rule); }
.meta-v { color: var(--ink); }
.stat-ok { color: var(--ok); }

.hero-prompt {
  margin: 18px 0 4px;
  font-size: 0.95em;
}
.prompt-user { color: var(--accent); }
.prompt-at { color: var(--muted); }
.prompt-host { color: var(--ink); }
.prompt-colon { color: var(--muted); }
.prompt-path { color: var(--accent-2); }
.prompt-tail { color: var(--muted); }
.prompt-typed { color: var(--ink); }

.hero-tagline {
  margin: 0 0 26px;
  color: var(--ink-2);
  font-size: 1.05em;
}
.caret {
  display: inline-block;
  width: 0.6ch;
  color: var(--accent);
  animation: blink 1s steps(2, start) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.hero-quick {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 10px;
  align-items: center;
  font-size: 0.95em;
}
.qbtn {
  background: transparent;
  border: 0;
  font: inherit;
  color: var(--accent);
  cursor: pointer;
  padding: 0;
  border-bottom: 1px dotted color-mix(in oklab, var(--accent) 50%, transparent);
}
.qbtn:hover { color: var(--ink); border-bottom-color: var(--ink); }
.qsep { color: var(--rule); }

/* ─── section header ──────────────────────────────────────────────── */
.section-header { margin: 56px 0 18px; }
.sh-line {
  font-size: 0.85em;
  color: var(--muted);
  margin-bottom: 6px;
}
.sh-prompt { color: var(--accent); margin-right: 6px; }
.sh-cmd { color: var(--ink-2); }
.sh-arg { color: var(--accent-2); }

.sh-title {
  font-size: 1.6em;
  font-weight: 600;
  margin: 0 0 4px;
  letter-spacing: 0.02em;
}
.sh-num { color: var(--muted); font-weight: 400; margin-right: 8px; }

.sh-sub { margin: 0 0 10px; color: var(--muted); font-size: 0.92em; }

.sh-rule {
  margin: 6px 0 14px;
  color: var(--rule);
  font-size: 0.9em;
  line-height: 1;
  white-space: pre;
  overflow: hidden;
}

/* ─── prose / cards ───────────────────────────────────────────────── */
.block { padding-bottom: 12px; }
.prose p { max-width: 70ch; color: var(--ink-2); }
.prose p + p { margin-top: 0.8em; }

.card {
  border: 1px dashed var(--rule);
  padding: 18px 20px;
  background: var(--bg-2);
}
.card-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; flex-wrap: wrap; margin-bottom: 8px; }
.card-title { margin: 0; font-size: 1.15em; font-weight: 600; }
.card-sub { margin: 2px 0 0; color: var(--ink-2); font-size: 0.95em; }
.card-meta { display: flex; flex-direction: column; align-items: flex-end; gap: 4px; font-size: 0.88em; }
.badge {
  border: 1px solid var(--rule);
  padding: 1px 8px;
  color: var(--ink-2);
}
.date { color: var(--muted); }

.bullets { margin: 10px 0 0; padding: 0; list-style: none; }
.bullets li {
  position: relative;
  padding-left: 18px;
  color: var(--ink-2);
  margin: 4px 0;
}
.bullets li::before {
  content: "›";
  position: absolute;
  left: 2px;
  color: var(--accent);
}

/* ─── certifications table ────────────────────────────────────────── */
.cert-table {
  border: 1px dashed var(--rule);
  font-size: 0.95em;
}
.ct-head, .ct-row {
  display: grid;
  grid-template-columns: 70px 1fr 220px 110px;
  gap: 14px;
  padding: 8px 14px;
}
.ct-head {
  background: var(--bg-2);
  color: var(--muted);
  font-size: 0.8em;
  letter-spacing: 0.08em;
  border-bottom: 1px dashed var(--rule);
}
.ct-row { border-bottom: 1px dashed var(--rule); align-items: baseline; }
.ct-row:last-child { border-bottom: 0; }
.ct-status.ok { color: var(--ok); }
.ct-status.pending { color: var(--pending); }
.ct-name { display: flex; flex-direction: column; gap: 1px; }
.ct-code { color: var(--accent); font-size: 0.85em; letter-spacing: 0.04em; }
.ct-fullname { color: var(--ink); }
.ct-issuer, .ct-date { color: var(--ink-2); }

@media (max-width: 760px) {
  .ct-head { display: none; }
  .ct-row { grid-template-columns: 1fr; gap: 2px; padding: 12px 14px; }
  .ct-issuer::before { content: "issuer: "; color: var(--muted); }
  .ct-date::before { content: "date: "; color: var(--muted); }
}

/* ─── memberships ─────────────────────────────────────────────────── */
.memberships { display: grid; gap: 16px; }
.m-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 22px;
  border: 1px dashed var(--rule);
  padding: 18px 22px;
  background: var(--bg-2);
}
.m-icon {
  margin: 0;
  color: var(--accent);
  font-size: 0.9em;
  line-height: 1.1;
}
.m-card h3 { margin: 0; font-size: 1.05em; }
.m-sub { margin: 2px 0 8px; color: var(--muted); font-size: 0.9em; }
.m-desc { margin: 0; color: var(--ink-2); max-width: 60ch; }

/* ─── projects ────────────────────────────────────────────────────── */
.projects { display: flex; flex-direction: column; gap: 8px; }
.project { border: 1px dashed var(--rule); }
.project.open { background: var(--bg-2); }
.p-head {
  display: grid;
  grid-template-columns: 30px 50px 1fr auto;
  gap: 10px;
  align-items: baseline;
  width: 100%;
  padding: 10px 16px;
  background: transparent;
  border: 0;
  font: inherit;
  color: var(--ink);
  text-align: left;
  cursor: pointer;
}
.p-head:hover { color: var(--accent); }
.p-tog { color: var(--accent); }
.p-n { color: var(--muted); }
.p-title { font-weight: 600; }
.p-period { color: var(--muted); font-size: 0.88em; }

.p-body { padding: 4px 16px 18px 96px; border-top: 1px dashed var(--rule); }
.p-sum { margin: 12px 0 10px; color: var(--ink-2); max-width: 72ch; }
.p-stack { display: flex; flex-wrap: wrap; gap: 4px 6px; margin-bottom: 10px; }
.chip {
  font-size: 0.8em;
  padding: 1px 8px;
  border: 1px solid var(--rule);
  color: var(--ink-2);
  background: var(--bg);
}
.p-art {
  margin: 12px 0;
  padding: 10px 12px;
  font-size: 0.82em;
  line-height: 1.25;
  color: var(--accent-2);
  background: var(--bg);
  border: 1px solid var(--rule);
  white-space: pre;
  overflow-x: auto;
}
.p-links { display: flex; gap: 14px; margin-top: 8px; }

@media (max-width: 760px) {
  .p-head { grid-template-columns: 24px 44px 1fr; }
  .p-period { grid-column: 2 / -1; }
  .p-body { padding-left: 16px; }
}

/* ─── skills ──────────────────────────────────────────────────────── */
.skills {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
}
.sk { padding: 6px 0; }
.sk-h { margin: 0 0 8px; font-size: 0.9em; color: var(--ink); font-weight: 600; }
.sk-bracket { color: var(--rule); }
.sk-list { list-style: none; padding: 0; margin: 0; }
.sk-list li { color: var(--ink-2); font-size: 0.92em; padding: 1px 0; }
.sk-dot { color: var(--accent); margin-right: 6px; }

/* ─── timeline ────────────────────────────────────────────────────── */
.timeline { list-style: none; padding: 0; margin: 0; }
.tl-item {
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px dashed var(--rule);
}
.tl-item:last-child { border-bottom: 0; }
.tl-marker { color: var(--accent); }
.tl-head { display: flex; flex-wrap: wrap; gap: 4px 12px; align-items: baseline; }
.tl-head h3 { margin: 0; font-size: 1.05em; font-weight: 600; }
.tl-co { color: var(--accent); }
.tl-period { color: var(--muted); margin-left: auto; font-size: 0.9em; }

/* ─── contact ─────────────────────────────────────────────────────── */
.contact { display: grid; grid-template-columns: 1fr auto; gap: 32px; align-items: start; }
.c-grid { display: flex; flex-direction: column; gap: 4px; }
.c-row { display: flex; gap: 14px; }
.c-k { color: var(--muted); width: 9ch; text-transform: uppercase; font-size: 0.85em; letter-spacing: 0.06em; padding-top: 2px; }
.c-sig { margin: 0; color: var(--muted); font-size: 0.85em; line-height: 1.4; }

@media (max-width: 760px) {
  .contact { grid-template-columns: 1fr; }
}

/* ─── footer ──────────────────────────────────────────────────────── */
.foot {
  margin-top: 64px;
  color: var(--muted);
  font-size: 0.85em;
}
.foot pre { margin: 0 0 10px; color: var(--rule); line-height: 1; white-space: pre; overflow: hidden; }

/* ─── responsive ──────────────────────────────────────────────────── */
@media (max-width: 920px) {
  .app { grid-template-columns: 1fr; }

  /* sidebar becomes a slide-out drawer; topbar handles primary nav */
  .sidebar {
    position: fixed;
    top: 0; left: 0;
    width: 100%;
    height: 100vh;
    max-height: 100vh;
    border-right: 0;
    border-bottom: 0;
    padding: 64px 28px 28px;
    background: var(--bg);
    z-index: 80;
    transform: translateX(-100%);
    transition: transform 0.22s ease-out;
    display: flex;
    justify-content: flex-start;
    gap: clamp(16px, 2.5vh, 28px);
  }
  :root[data-mobile-nav="open"] .sidebar { transform: translateX(0); }

  .sb-foot { display: flex; }
  .main { padding: 84px 22px 60px; }
  .banner { font-size: 6px; line-height: 1.05; }
  .hero-name-text { font-size: 1.6em; }
  .hero-quick { font-size: 0.88em; }
  .section-header { margin: 40px 0 14px; }
  .sh-title { font-size: 1.3em; }
  .ct-head, .ct-row { padding: 8px 12px; }
  .p-head { padding: 10px 12px; }

  .topbar { display: flex; }
}

/* ─── mobile topbar ───────────────────────────────────────────────── */
.topbar { display: none; }
.scrim { display: none; }
@media (max-width: 920px) {
  .topbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: 52px;
    padding: 0 18px;
    background: color-mix(in oklab, var(--bg) 92%, transparent);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-bottom: 1px dashed var(--rule);
    align-items: center;
    justify-content: space-between;
    z-index: 90;
    font-size: 0.95em;
  }
  .tb-id {
    color: var(--accent);
    font-weight: 600;
    letter-spacing: 0.04em;
  }
  .tb-id .tb-dot {
    color: var(--accent-2);
    margin: 0 4px;
  }
  .tb-burger {
    background: transparent;
    border: 1px solid var(--rule);
    color: var(--ink);
    font: inherit;
    font-size: 0.9em;
    padding: 6px 10px;
    cursor: pointer;
    border-radius: 2px;
    letter-spacing: 0.04em;
  }
  .tb-burger:hover { color: var(--accent); border-color: var(--accent); }
  :root[data-mobile-nav="open"] .tb-burger { color: var(--accent); border-color: var(--accent); }

  .tb-theme {
    background: transparent;
    border: 0;
    color: var(--accent);
    font: inherit;
    font-size: 0.95em;
    padding: 6px 8px;
    cursor: pointer;
    letter-spacing: 0.04em;
  }
  .tb-theme:hover { color: var(--ink); }

  /* drawer scrim sits behind the sidebar but above main */
  .scrim {
    display: block;
    position: fixed; inset: 0;
    background: color-mix(in oklab, var(--bg) 70%, transparent);
    z-index: 70;
    opacity: 0; pointer-events: none;
    transition: opacity 0.18s;
  }
  :root[data-mobile-nav="open"] .scrim { opacity: 1; pointer-events: auto; }
}

/* neon banner glow */
:root[data-theme="neon"] .banner {
  color: #00ff41;
  text-shadow: 0 0 14px rgba(0, 255, 65, 0.5);
}

/* density tweak: subtle = hide most ASCII art */
:root[data-density="subtle"] .banner,
:root[data-density="subtle"] .sb-id pre,
:root[data-density="subtle"] .m-icon,
:root[data-density="subtle"] .c-sig,
:root[data-density="subtle"] .p-art {
  display: none;
}
:root[data-density="heavy"] .sh-rule { font-weight: 600; }