:root {
  /* Dark (default) */
  --bg: rgba(5, 71, 42, 0.33);
  --fg: #e9e9ee;
  --muted: #a6a7b3;
  --line: rgba(194, 224, 188, 0.12);
  --card: rgba(255, 255, 255, 0.06);
  --card-hover: rgba(255, 255, 255, 0.18);
  --line-hover: rgba(255, 255, 255, 0.08);

  --max: 1150px;
  --r: 14px;

  --s1: 0.5rem;
  --s2: 0.75rem;
  --s3: 0.5rem;
  --s4: 1.5rem;
  --s5: 2.25rem;

  --shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
  --tag-bg: rgba(5, 145, 87, 0.29);
}

/* Light theme overrides */
:root[data-theme="light"] {
  --bg: #f7f7fb;
  --fg: #1a2e24;
  --muted: #355a42;
  --line: rgba(26, 46, 36, 0.22);
  --card: rgba(0, 0, 0, 0.04);
  --card-hover: rgba(0, 0, 0, 0.06);
  --line-hover: rgba(0, 0, 0, 0.12);

  --shadow: 0 20px 60px rgba(0, 0, 0, 0.12);
  --tag-bg: rgba(0, 0, 0, 0.06);
}

html {
  color-scheme: dark;
}
:root[data-theme="light"] {
  color-scheme: light;
}

.iconBtn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  cursor: pointer;
  user-select: none;
}
.iconBtn:hover {
  background: rgba(255, 255, 255, 0.06);
}
:root[data-theme="light"] .iconBtn {
  background: rgba(0, 0, 0, 0.03);
}
:root[data-theme="light"] .iconBtn:hover {
  background: rgba(0, 0, 0, 0.06);
}

* {
  box-sizing: border-box;
}
html,
body {
  min-height: 100%;
}
body.about-body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.35;
  letter-spacing: 0.1px;
  overflow-y: auto;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.nameRow {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

#pinwheel {
  display: block;
  flex: 0 0 auto;
  width: 3.2rem;
  height: 3.2rem;
}

.wrap {
  width: min(var(--max), calc(100% - 2 * var(--s4)));
  margin: 0 auto;
  padding: var(--s5) 0;
}

.header {
  display: flex;
  gap: var(--s4);
  justify-content: space-between;
  align-items: flex-start;
  padding-bottom: var(--s4);
  border-bottom: 1px solid var(--line);
}

.identity {
  flex: 1;
}

.identity h1 {
  margin: 0;
  font-size: clamp(1.6rem, 2.6vw, 2.2rem);
  letter-spacing: -0.4px;
  flex: 1;
}
.muted {
  color: var(--muted);
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s2);
  justify-content: flex-end;
  text-align: right;
}
.links a {
  padding: 0.35rem 0.6rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
}
.links a:hover {
  text-decoration: none;
  background: rgba(255, 255, 255, 0.06);
}

.section {
  padding: var(--s5) 0;
  border-bottom: 1px solid var(--line);
}
.section h2 {
  margin: 0 0 var(--s3) 0;
  font-size: 0.95rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}
.section .stack + h2 {
  margin-top: var(--s4);
}

.stack {
  display: grid;
  gap: var(--s4);
}
.block {
  padding: var(--s4);
  padding-top: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: rgba(255, 255, 255, 0.03);
}
.row {
  display: flex;
  justify-content: space-between;
  gap: var(--s3);
  align-items: baseline;
}
.row .muted {
  margin-top: 0.15rem;
}
h3 {
  margin: 0;
  font-size: 1rem;
}
ul {
  margin: var(--s3) 0 0 1.1rem;
  padding: 0;
}
li {
  margin: 0.12rem 0;
}
.block ul ul {
  margin: 0.35rem 0 0 1rem;
  list-style-type: circle;
}
.block ul ul li {
  margin: 0.2rem 0;
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--s3);
}
.card {
  grid-column: span 6;
  padding: var(--s4);
  border-radius: var(--r);
  border: 1px solid var(--line);
  background: var(--card);
  box-shadow: none;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}
.card:hover {
  text-decoration: none;
  transform: translateY(-2px);
  background: var(--card-hover);
  border-color: var(--line-hover);
}
.cardTop {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--s3);
  margin-bottom: var(--s2);
}
.arrow {
  opacity: 0.7;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: var(--s3);
}
.tag {
  font-size: 0.8rem;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--tag-bg);
}

.footer {
  padding-top: var(--s4);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--s3);
}

.about-back {
  color: var(--muted);
  font-size: 0.95rem;
}
.about-back:hover {
  color: var(--fg);
}

@media (max-width: 720px) {
  .header {
    flex-direction: column;
  }
  .links {
    justify-content: flex-start;
    text-align: left;
  }
  .card {
    grid-column: span 12;
  }
}

@media print {
  @page {
    size: letter;
    margin: 0.5in;
    @bottom-center {
      content: counter(page);
      font-size: 9pt;
      font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
      color: #333;
    }
  }

  .no-print {
    display: none !important;
  }

  body.about-body {
    background: #fff !important;
    color: #111 !important;
    font-size: 10pt;
    line-height: 1.28;
    -webkit-print-color-adjust: economy;
    print-color-adjust: economy;
  }

  .muted {
    color: #333 !important;
  }

  .section h2 {
    color: #333 !important;
  }

  .header {
    border-bottom-color: #bbb !important;
  }

  .section {
    border-bottom-color: #ccc !important;
    padding-top: 1rem;
    padding-bottom: 1rem;
  }

  .links a {
    border: none !important;
    background: transparent !important;
    padding: 0 !important;
    border-radius: 0 !important;
  }

  .block {
    border: none !important;
    background: #fff !important;
    padding: 0 !important;
    break-inside: avoid;
    page-break-inside: avoid;
  }

  .block .row p {
    margin-bottom: 0 !important;
  }

  .block .row + ul {
    margin-top: 0.2rem !important;
  }

  .block > ul {
    margin-top: 0.35rem !important;
  }

  .wrap {
    width: 100% !important;
    max-width: none !important;
    padding: 0 !important;
    margin: 0 auto !important;
  }

  a {
    color: #0d3d26 !important;
    text-decoration: underline;
    text-underline-offset: 2px;
  }
}