:root {
  color-scheme: dark;
  --bg: #101317;
  --bg-alt: #161b22;
  --panel: #1c242d;
  --panel-strong: #222b35;
  --panel-border: #31404d;
  --panel-border-soft: #24303a;
  --text: #e7dcc6;
  --muted: #91a0ad;
  --accent: #d8ba7a;
  --cyan: #8db7c1;
  --gold: #f2a96d;
  --shadow: rgba(4, 6, 8, 0.5);
  --max-width: 1100px;
  --mono: "SFMono-Regular", Menlo, Monaco, "Cascadia Mono", "Liberation Mono", monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: #0a0d10;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(216, 186, 122, 0.12), transparent 30%),
    radial-gradient(circle at bottom right, rgba(141, 183, 193, 0.1), transparent 28%),
    linear-gradient(180deg, #171c22, #101317 62%);
  color: var(--text);
  font-family: var(--mono);
  font-size: 17px;
  line-height: 1.82;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 100% 26px, 26px 100%;
  opacity: 0.14;
}

.container {
  position: relative;
  max-width: var(--max-width);
  margin: 26px auto;
  background: linear-gradient(180deg, var(--panel-strong), var(--bg-alt));
  border: 1px solid var(--panel-border);
  border-radius: 14px;
  box-shadow: 0 28px 70px var(--shadow);
  overflow: hidden;
}

.container::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent 18%);
}

.site-header {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 16px;
  align-items: center;
  padding: 14px 18px;
  background: linear-gradient(180deg, #28323d, #202933);
  border-bottom: 1px solid var(--panel-border);
}

.site-brand {
  min-width: 0;
}

.site-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.site-title-frame {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.35rem 0.7rem;
}

.site-title {
  margin: 0;
  min-width: 0;
  font-size: clamp(1.35rem, 2.4vw, 2rem);
  line-height: 1.05;
  font-weight: 600;
}

.site-title a {
  color: inherit;
  text-decoration: none;
  display: inline-flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.2rem 0.65rem;
}

.site-name-latin {
  position: relative;
  display: inline-block;
  color: var(--text);
}

.site-name-latin::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -0.18em;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan), transparent 82%);
}

.site-name-cjk {
  color: var(--cyan);
  font-size: 0.56em;
  letter-spacing: 0.14em;
}

.theme-toggle {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  padding: 0;
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  background: var(--panel);
  color: var(--text);
  cursor: pointer;
  transition: background 180ms ease, border-color 180ms ease, transform 180ms ease, color 180ms ease;
}

.theme-toggle:hover,
.theme-toggle:focus-visible {
  border-color: rgba(141, 183, 193, 0.48);
  background: #21303d;
  transform: translateY(1px);
}

.theme-toggle-icon {
  display: none;
  width: 16px;
  height: 16px;
}

.theme-icon-moon {
  display: block;
}

.theme-toggle-icon svg {
  display: block;
  width: 100%;
  height: 100%;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.theme-icon-moon svg path {
  fill: currentColor;
  stroke: none;
}

.site-nav-shell {
  position: relative;
  z-index: 2;
}

.site-nav-toggle {
  display: grid;
  place-items: center;
  width: 42px;
  height: 34px;
  padding: 0;
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  background: var(--panel);
  color: var(--text);
  cursor: pointer;
  list-style: none;
  transition: background 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.site-nav-toggle::-webkit-details-marker {
  display: none;
}

.nav-bars {
  display: grid;
  gap: 4px;
}

.nav-bars span {
  display: block;
  width: 17px;
  height: 2px;
  background: currentColor;
  border-radius: 999px;
  transition: transform 180ms ease, opacity 180ms ease;
}

.site-nav-shell[open] .site-nav-toggle {
  background: #21303d;
  border-color: rgba(141, 183, 193, 0.48);
  transform: translateY(1px);
}

.site-nav-shell[open] .nav-bars span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.site-nav-shell[open] .nav-bars span:nth-child(2) {
  opacity: 0;
}

.site-nav-shell[open] .nav-bars span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.site-nav {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  z-index: 3;
  min-width: 220px;
  display: grid;
  gap: 0.45rem;
  padding: 0.82rem 0.95rem;
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  background: rgba(22, 27, 34, 0.98);
  box-shadow: 0 20px 34px rgba(4, 6, 8, 0.42);
  backdrop-filter: blur(10px);
}

.site-nav-shell:not([open]) .site-nav {
  display: none;
}

.site-nav a {
  color: var(--text);
  text-decoration: none;
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: color 180ms ease, transform 180ms ease;
}

.site-nav a::before {
  content: ":";
  margin-right: 0.5rem;
  color: var(--accent);
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--cyan);
  transform: translateX(2px);
}

.folio {
  padding: 22px 26px 30px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.015), transparent 24%),
    var(--bg-alt);
}

main > * {
  max-width: 78ch;
}

main > h2,
main > p,
main > h3,
main > section {
  position: relative;
}

main > h2 {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 2.75rem 0 1rem;
  color: var(--accent);
  font-size: 0.86rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  scroll-margin-top: 5rem;
}

main > h2:first-of-type {
  margin-top: 0.4rem;
}

main > h2::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, rgba(216, 186, 122, 0.56), transparent);
}

main > p {
  margin: 0 0 1rem;
  color: var(--text);
}

.about-intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 220px;
  gap: 22px;
  align-items: start;
  margin-bottom: 0.4rem;
}

.about-copy > p:last-child {
  margin-bottom: 0;
}

.profile-card {
  order: 2;
  margin: 0;
  padding: 10px;
  border: 1px solid var(--panel-border);
  border-radius: 14px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0)),
    rgba(13, 18, 24, 0.5);
  box-shadow: 0 12px 24px rgba(4, 6, 8, 0.18);
}

.profile-photo {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 10px;
  object-fit: cover;
}

main > ul,
main > ol {
  margin: 0.8rem 0 0;
  padding-left: 1.25rem;
}

main > ul li,
main > ol li {
  margin-bottom: 0.55rem;
  padding-left: 0.26rem;
}

main > ul li::marker,
main > ol li::marker {
  color: var(--accent);
}

h3 {
  position: relative;
  margin: 2.2rem 0 0.85rem;
  color: var(--cyan);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h3 + ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

h3 + ul li {
  position: relative;
  margin: 0 0 1.3rem;
  padding: 0 0 0 1rem;
  border-left: 1px solid #31404d;
}

h3 + ul li::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 0.56rem;
  width: 0.42rem;
  height: 0.42rem;
  border-radius: 999px;
  background: var(--accent);
  transform: translateX(-50%);
  box-shadow: 0 0 0 4px rgba(216, 186, 122, 0.12);
}

main > section {
  max-width: 78ch;
}

main > section h2 {
  margin: 0 0 0.8rem;
  color: var(--accent);
  font-size: 0.9rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

a {
  color: var(--cyan);
  text-decoration-thickness: 1px;
  text-decoration-color: rgba(127, 180, 202, 0.42);
  text-underline-offset: 0.14em;
}

a:hover,
a:focus-visible {
  color: var(--gold);
  text-decoration-color: rgba(255, 160, 102, 0.62);
}

em {
  color: #f3e7c8;
}

.site-footer {
  margin-top: 0;
  border-top: 1px solid var(--panel-border);
  background: linear-gradient(180deg, #202933, #161b22);
  color: var(--text);
  font-size: 0.73rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.site-footer p {
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  margin: 0;
}

.status-file {
  padding: 0.62rem 1rem;
  color: var(--text);
}

::selection {
  background: rgba(141, 183, 193, 0.24);
  color: var(--text);
}

@media (prefers-color-scheme: light) {
  :root {
    color-scheme: light;
    --bg: #f3efe6;
    --bg-alt: #faf7f0;
    --panel: #edf1f5;
    --panel-strong: #e3e9ef;
    --panel-border: #c6d0da;
    --panel-border-soft: #d8e0e8;
    --text: #23313d;
    --muted: #6d7b89;
    --accent: #9c6f24;
    --cyan: #2f6f87;
    --gold: #b85f33;
    --shadow: rgba(82, 97, 112, 0.18);
  }

  html {
    background: #efe8dc;
  }

  body {
    background:
      radial-gradient(circle at top left, rgba(156, 111, 36, 0.08), transparent 30%),
      radial-gradient(circle at bottom right, rgba(47, 111, 135, 0.08), transparent 28%),
      linear-gradient(180deg, #faf6ef, #f2ede4 62%);
  }

  body::before {
    background:
      linear-gradient(rgba(35, 49, 61, 0.04) 1px, transparent 1px),
      linear-gradient(90deg, rgba(35, 49, 61, 0.035) 1px, transparent 1px);
    opacity: 0.1;
  }

  .site-header {
    background: linear-gradient(180deg, #e4ebf1, #dbe3ea);
  }

  .site-nav-toggle {
    background: var(--panel);
  }

  .site-nav-shell[open] .site-nav-toggle {
    background: #dde8ef;
    border-color: rgba(47, 111, 135, 0.32);
  }

  .site-nav {
    background: rgba(250, 252, 253, 0.98);
    box-shadow: 0 18px 32px rgba(82, 97, 112, 0.16);
  }

  .folio {
    background:
      linear-gradient(180deg, rgba(255, 255, 255, 0.35), transparent 24%),
      var(--bg-alt);
  }

  main > h2::after {
    background: linear-gradient(90deg, rgba(156, 111, 36, 0.32), transparent);
  }

  h3 + ul li {
    border-left-color: #c6d0da;
  }

  h3 + ul li::before {
    box-shadow: 0 0 0 4px rgba(156, 111, 36, 0.12);
  }

  a {
    text-decoration-color: rgba(47, 111, 135, 0.32);
  }

  a:hover,
  a:focus-visible {
    text-decoration-color: rgba(184, 95, 51, 0.54);
  }

  em {
    color: #5f4a25;
  }

  .site-footer {
    background: linear-gradient(180deg, #dfe7ee, #eef2f5);
  }

  .theme-icon-moon {
    display: none;
  }

  .theme-icon-sun {
    display: block;
  }

  ::selection {
    background: rgba(47, 111, 135, 0.14);
  }
}

html[data-theme="dark"] {
  color-scheme: dark;
  --bg: #101317;
  --bg-alt: #161b22;
  --panel: #1c242d;
  --panel-strong: #222b35;
  --panel-border: #31404d;
  --panel-border-soft: #24303a;
  --text: #e7dcc6;
  --muted: #91a0ad;
  --accent: #d8ba7a;
  --cyan: #8db7c1;
  --gold: #f2a96d;
  --shadow: rgba(4, 6, 8, 0.5);
  background: #0a0d10;
}

html[data-theme="dark"] body {
  background:
    radial-gradient(circle at top left, rgba(216, 186, 122, 0.12), transparent 30%),
    radial-gradient(circle at bottom right, rgba(141, 183, 193, 0.1), transparent 28%),
    linear-gradient(180deg, #171c22, #101317 62%);
}

html[data-theme="dark"] body::before {
  background:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  opacity: 0.14;
}

html[data-theme="dark"] .site-header {
  background: linear-gradient(180deg, #28323d, #202933);
}

html[data-theme="dark"] .theme-icon-sun {
  display: none;
}

html[data-theme="dark"] .theme-icon-moon {
  display: block;
}

html[data-theme="dark"] .theme-toggle:hover,
html[data-theme="dark"] .theme-toggle:focus-visible,
html[data-theme="dark"] .site-nav-shell[open] .site-nav-toggle {
  background: #21303d;
  border-color: rgba(141, 183, 193, 0.48);
}

html[data-theme="dark"] .site-nav {
  background: rgba(22, 27, 34, 0.98);
  box-shadow: 0 20px 34px rgba(4, 6, 8, 0.42);
}

html[data-theme="dark"] .folio {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.015), transparent 24%),
    var(--bg-alt);
}

html[data-theme="dark"] main > h2::after {
  background: linear-gradient(90deg, rgba(216, 186, 122, 0.56), transparent);
}

html[data-theme="dark"] h3 + ul li {
  border-left-color: #31404d;
}

html[data-theme="dark"] h3 + ul li::before {
  box-shadow: 0 0 0 4px rgba(216, 186, 122, 0.12);
}

html[data-theme="dark"] a {
  text-decoration-color: rgba(127, 180, 202, 0.42);
}

html[data-theme="dark"] a:hover,
html[data-theme="dark"] a:focus-visible {
  text-decoration-color: rgba(255, 160, 102, 0.62);
}

html[data-theme="dark"] em {
  color: #f3e7c8;
}

html[data-theme="dark"] .site-footer {
  background: linear-gradient(180deg, #202933, #161b22);
}

html[data-theme="dark"] ::selection {
  background: rgba(141, 183, 193, 0.24);
  color: var(--text);
}

html[data-theme="light"] {
  color-scheme: light;
  --bg: #f3efe6;
  --bg-alt: #faf7f0;
  --panel: #edf1f5;
  --panel-strong: #e3e9ef;
  --panel-border: #c6d0da;
  --panel-border-soft: #d8e0e8;
  --text: #23313d;
  --muted: #6d7b89;
  --accent: #9c6f24;
  --cyan: #2f6f87;
  --gold: #b85f33;
  --shadow: rgba(82, 97, 112, 0.18);
  background: #efe8dc;
}

html[data-theme="light"] body {
  background:
    radial-gradient(circle at top left, rgba(156, 111, 36, 0.08), transparent 30%),
    radial-gradient(circle at bottom right, rgba(47, 111, 135, 0.08), transparent 28%),
    linear-gradient(180deg, #faf6ef, #f2ede4 62%);
}

html[data-theme="light"] body::before {
  background:
    linear-gradient(rgba(35, 49, 61, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(35, 49, 61, 0.035) 1px, transparent 1px);
  opacity: 0.1;
}

html[data-theme="light"] .site-header {
  background: linear-gradient(180deg, #e4ebf1, #dbe3ea);
}

html[data-theme="light"] .theme-icon-moon {
  display: none;
}

html[data-theme="light"] .theme-icon-sun {
  display: block;
}

html[data-theme="light"] .theme-toggle:hover,
html[data-theme="light"] .theme-toggle:focus-visible,
html[data-theme="light"] .site-nav-shell[open] .site-nav-toggle {
  background: #dde8ef;
  border-color: rgba(47, 111, 135, 0.32);
}

html[data-theme="light"] .site-nav {
  background: rgba(250, 252, 253, 0.98);
  box-shadow: 0 18px 32px rgba(82, 97, 112, 0.16);
}

html[data-theme="light"] .folio {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.35), transparent 24%),
    var(--bg-alt);
}

html[data-theme="light"] main > h2::after {
  background: linear-gradient(90deg, rgba(156, 111, 36, 0.32), transparent);
}

html[data-theme="light"] h3 + ul li {
  border-left-color: #c6d0da;
}

html[data-theme="light"] h3 + ul li::before {
  box-shadow: 0 0 0 4px rgba(156, 111, 36, 0.12);
}

html[data-theme="light"] a {
  text-decoration-color: rgba(47, 111, 135, 0.32);
}

html[data-theme="light"] a:hover,
html[data-theme="light"] a:focus-visible {
  text-decoration-color: rgba(184, 95, 51, 0.54);
}

html[data-theme="light"] em {
  color: #5f4a25;
}

html[data-theme="light"] .site-footer {
  background: linear-gradient(180deg, #dfe7ee, #eef2f5);
}

html[data-theme="light"] ::selection {
  background: rgba(47, 111, 135, 0.14);
  color: var(--text);
}

@media (max-width: 780px) {
  body {
    font-size: 16px;
  }

  .container {
    margin: 0;
    min-height: 100vh;
    border-left: none;
    border-right: none;
    border-radius: 0;
  }

  .site-header {
    grid-template-columns: 1fr auto;
    gap: 12px;
    padding: 12px 14px;
  }

  .about-intro {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .profile-card {
    order: 0;
    max-width: 240px;
  }

  .site-actions {
    gap: 8px;
  }

  .theme-toggle {
    width: 34px;
  }

  .site-title-frame {
    gap: 0.7rem;
  }

  .site-title {
    font-size: clamp(1.2rem, 5.8vw, 1.7rem);
  }

  .folio {
    padding: 18px 16px 24px;
  }

  .site-nav {
    right: 0;
    min-width: min(230px, calc(100vw - 34px));
  }

  .site-footer p {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .site-nav a,
  .site-nav-toggle,
  .nav-bars span {
    transition: none;
  }
}