/*
 * idevlab — home page
 * Design tokens are kept in sync with the blog theme (blogs.idevlab.dev/css/terminal.css)
 * so the two sites read as one system. Same variable names on purpose.
 */

:root {
  /* Warmer, softer dark — same direction as utter.idevlab.dev — instead of
     near-black, so long reads feel less harsh. */
  --terminal-bg: #111310;
  --terminal-surface: #161914;
  --terminal-panel: #191d18;
  --terminal-line: #2f3630;
  --terminal-line-bright: #5c675f;
  --terminal-text: #e9ece4;
  --terminal-muted: #aaafa6;
  --terminal-dim: #7e847b;
  --terminal-green: #5ede8d;
  --terminal-cyan: #73e8ff;
  --terminal-amber: #ffd866;
  --terminal-red: #ff5f57;
  --terminal-scanline: rgba(255, 255, 255, 0.02);
  --terminal-shell-bg: rgba(14, 16, 14, 0.94);
  --terminal-titlebar-bg: rgba(18, 20, 18, 0.92);
  --terminal-shadow: 0 30px 90px rgba(0, 0, 0, 0.45);
  --terminal-soft-bg: rgba(255, 255, 255, 0.03);
  --terminal-inline-code-bg: rgba(255, 255, 255, 0.055);
  --terminal-code-bg: #0e100d;
  --terminal-active-text: #06130a;
  /* System fonts render immediately; explicit CJK fallbacks keep Chinese legible. */
  --terminal-font: "SFMono-Regular", "Cascadia Code", Consolas,
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC",
    "Source Han Sans SC", monospace;
  --glow: 0 0 18px rgba(94, 222, 141, 0.22);
}

:root[data-terminal-theme="amber"] {
  --terminal-bg: #131009;
  --terminal-surface: #181309;
  --terminal-panel: #1c160c;
  --terminal-line: #443a26;
  --terminal-line-bright: #7d6a42;
  --terminal-text: #f1e8d2;
  --terminal-muted: #b9aa8a;
  --terminal-dim: #837763;
  --terminal-green: #ffbf45;
  --terminal-cyan: #67d5c8;
  --terminal-amber: #ffe08a;
  --glow: 0 0 18px rgba(255, 191, 69, 0.24);
}

:root[data-terminal-theme="cyan"] {
  --terminal-bg: #0c1415;
  --terminal-surface: #121c1e;
  --terminal-panel: #152124;
  --terminal-line: #27454c;
  --terminal-line-bright: #4e8792;
  --terminal-text: #ddf4f7;
  --terminal-muted: #9dbbc0;
  --terminal-dim: #6b858a;
  --terminal-green: #64eaff;
  --terminal-cyan: #9cffd8;
  --terminal-amber: #ffd579;
  --glow: 0 0 18px rgba(100, 234, 255, 0.24);
}

:root[data-terminal-theme="magenta"] {
  --terminal-bg: #140e14;
  --terminal-surface: #1b131b;
  --terminal-panel: #201620;
  --terminal-line: #483043;
  --terminal-line-bright: #89537c;
  --terminal-text: #f2e5ef;
  --terminal-muted: #c1a4b9;
  --terminal-dim: #8b7285;
  --terminal-green: #ff74d4;
  --terminal-cyan: #8deaff;
  --terminal-amber: #ffd16f;
  --glow: 0 0 18px rgba(255, 116, 212, 0.24);
}

:root[data-terminal-theme="white"] {
  --terminal-bg: #f4f3ed;
  --terminal-surface: #fbfaf5;
  --terminal-panel: #ffffff;
  --terminal-line: #d7d3c7;
  --terminal-line-bright: #a79f90;
  --terminal-text: #202326;
  --terminal-muted: #62676b;
  --terminal-dim: #898d91;
  --terminal-green: #147d3f;
  --terminal-cyan: #006f8f;
  --terminal-amber: #9b6500;
  --terminal-red: #c43b32;
  --terminal-scanline: rgba(0, 0, 0, 0.035);
  --terminal-shell-bg: rgba(255, 255, 255, 0.94);
  --terminal-titlebar-bg: rgba(250, 249, 244, 0.92);
  --terminal-shadow: 0 24px 70px rgba(44, 48, 51, 0.16);
  --terminal-soft-bg: rgba(17, 24, 39, 0.045);
  --terminal-inline-code-bg: rgba(20, 125, 63, 0.09);
  --terminal-code-bg: #f7f7f2;
  --terminal-active-text: #ffffff;
  --glow: 0 0 18px rgba(20, 125, 63, 0.2);
}

* { box-sizing: border-box; }

html {
  height: 100%;
  background: var(--terminal-bg);
  color: var(--terminal-text);
  font-family: var(--terminal-font);
  font-size: 15px;
  line-height: 1.7;
  scroll-behavior: smooth;
}

body {
  height: 100%;
  margin: 0;
  overflow: hidden;
  background:
    repeating-linear-gradient(0deg, var(--terminal-scanline) 0, var(--terminal-scanline) 1px, transparent 1px, transparent 4px),
    var(--terminal-bg);
  color: var(--terminal-text);
}

a { color: var(--terminal-green); text-decoration: none; }
a:hover { color: var(--terminal-cyan); }
::selection { background: var(--terminal-green); color: var(--terminal-active-text); }

/* ---------------------------------------------------------------- shell -- */

.terminal-shell {
  display: flex;
  flex-direction: column;
  height: 100vh;
  height: 100dvh;
  margin: 0.85rem 0.9rem;
  overflow: hidden;
  border: 1px solid var(--terminal-line);
  border-radius: 12px;
  background: var(--terminal-shell-bg);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.35);
}

.terminal-titlebar {
  flex: 0 0 auto;
  position: relative;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1rem;
  min-height: 2.55rem;
  padding: 0 1rem;
  border-bottom: 1px solid var(--terminal-line);
  background: var(--terminal-titlebar-bg);
  backdrop-filter: blur(12px);
}

.terminal-controls { display: flex; gap: 0.55rem; }
.control { width: 0.78rem; height: 0.78rem; border-radius: 999px; }
.control-close { background: #ff5f57; }
.control-minimize { background: #febc2e; }
.control-zoom { background: #28c840; }

.terminal-title {
  color: var(--terminal-muted);
  font-weight: 700;
  font-size: 0.86rem;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.terminal-title::first-letter { color: var(--terminal-green); }

.theme-switcher { display: flex; gap: 0.4rem; align-items: center; }
.theme-switcher button {
  width: 0.72rem;
  height: 0.72rem;
  padding: 0;
  border: 1px solid var(--terminal-line-bright);
  border-radius: 999px;
  background: currentColor;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.theme-switcher button:hover { transform: scale(1.25); }
.theme-switcher button[aria-pressed="true"] { box-shadow: 0 0 0 2px var(--terminal-bg), 0 0 0 3px currentColor; }
.theme-switcher button[data-theme-choice="green"] { color: #5ede8d; }
.theme-switcher button[data-theme-choice="amber"] { color: #ffbf45; }
.theme-switcher button[data-theme-choice="cyan"] { color: #64eaff; }
.theme-switcher button[data-theme-choice="magenta"] { color: #ff74d4; }
.theme-switcher button[data-theme-choice="white"] { color: #f4f3ed; }

/* --------------------------------------------------------------- layout -- */

.terminal-body { position: relative; flex: 1 1 auto; min-height: 0; }

/* The WebGL hero sits behind everything and stays alive while you scroll. */
#hero-canvas {
  position: absolute;
  inset: 0;
  z-index: 0;
  display: block;
  width: 100%;
  height: 100%;
}

.terminal-viewport {
  position: relative;
  z-index: 1;
  height: 100%;
  overflow-y: auto;
  overflow-x: hidden;
  /* Let the hero show the raw WebGL, then settle to a near-opaque backdrop so
     body copy is never read against the moving grid. `local` pins the gradient
     to the content, not the frame, so the fade tracks the scroll. */
  background: linear-gradient(
    to bottom,
    transparent 0,
    transparent 72vh,
    color-mix(in srgb, var(--terminal-bg) 93%, transparent) 118vh
  );
  background-attachment: local;
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: var(--terminal-line-bright) transparent;
}
.terminal-viewport::-webkit-scrollbar { width: 10px; }
.terminal-viewport::-webkit-scrollbar-track { background: transparent; }
.terminal-viewport::-webkit-scrollbar-thumb {
  background: var(--terminal-line);
  border: 3px solid var(--terminal-bg);
  border-radius: 999px;
}
.terminal-viewport::-webkit-scrollbar-thumb:hover { background: var(--terminal-line-bright); }

.wrap { width: min(1180px, 100%); margin: 0 auto; padding: 0 1.5rem; }

/* ------------------------------------------------------------------ nav -- */

.site-nav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  gap: 1.5rem;
  align-items: center;
  padding: 0.6rem 1.5rem;
  border-bottom: 1px solid var(--terminal-line);
  background: color-mix(in srgb, var(--terminal-bg) 82%, transparent);
  backdrop-filter: blur(10px);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  overflow-x: auto;
  scrollbar-width: none;
}
.site-nav::-webkit-scrollbar { display: none; }
.site-nav a,
.site-nav button {
  padding: 0;
  border: 0;
  background: none;
  font: inherit;
  cursor: pointer;
  color: var(--terminal-muted);
  white-space: nowrap;
}
.site-nav a:hover,
.site-nav button:hover,
.site-nav a.is-active { color: var(--terminal-green); text-shadow: var(--glow); }
.site-nav .nav-spacer { flex: 1 1 auto; }
/* Outlined CTA on the right, echoing utter.idevlab.dev's "Download" button. */
.site-nav .nav-cta {
  padding: 0.32rem 0.95rem;
  border: 1px solid var(--terminal-line-bright);
  border-radius: 8px;
  color: var(--terminal-text);
  transition: border-color 0.18s ease, color 0.18s ease, box-shadow 0.18s ease;
}
.site-nav .nav-cta:hover {
  border-color: var(--terminal-green);
  color: var(--terminal-green);
  box-shadow: var(--glow);
  text-shadow: none;
}

/* ----------------------------------------------------------------- hero -- */

.hero {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: min(78vh, 640px);
  padding: 3.5rem 0 3rem;
}

.hero-prompt { color: var(--terminal-green); font-size: 0.9rem; }
.hero-prompt b { color: var(--terminal-green); font-weight: 700; }

.hero h1 {
  margin: 0.6rem 0 0;
  font-size: clamp(2.4rem, 8vw, 5.2rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--terminal-text);
}
.hero h1 .accent { color: var(--terminal-green); text-shadow: var(--glow); }

.hero-typed {
  min-height: 2em;
  margin: 1.1rem 0 0;
  font-size: clamp(1.05rem, 2.6vw, 1.5rem);
  color: var(--terminal-text);
}
.cursor {
  display: inline-block;
  width: 0.6em;
  height: 1.05em;
  margin-left: 0.15em;
  background: var(--terminal-green);
  vertical-align: text-bottom;
  animation: blink 1.05s step-end infinite;
}
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.6rem;
  margin-top: 1.7rem;
  color: var(--terminal-muted);
  font-size: 0.86rem;
}
/* Quiet "a · b" fine print instead of bracket pairs. */
.hero-meta span:not(:first-child)::before { content: "· "; color: var(--terminal-dim); }

.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 2.1rem; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.62rem 1.3rem;
  border: 1px solid var(--terminal-line-bright);
  border-radius: 8px;
  background: transparent;
  color: var(--terminal-text);
  font: inherit;
  font-size: 0.9rem;
  cursor: pointer;
  transition: border-color 0.18s ease, color 0.18s ease, background 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
}
.btn:hover {
  border-color: var(--terminal-green);
  color: var(--terminal-green);
  background: color-mix(in srgb, var(--terminal-green) 8%, transparent);
  box-shadow: var(--glow);
  transform: translateY(-2px);
}
.btn-primary { border-color: var(--terminal-green); color: var(--terminal-green); }

.scroll-hint {
  margin-top: 2.6rem;
  color: var(--terminal-dim);
  font-size: 0.78rem;
  animation: float 2.4s ease-in-out infinite;
}

kbd {
  padding: 0.05rem 0.35rem;
  border: 1px solid var(--terminal-line-bright);
  border-radius: 5px;
  background: var(--terminal-inline-code-bg);
  color: var(--terminal-muted);
  font: inherit;
  font-size: 0.9em;
}
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(5px); } }

/* -------------------------------------------------------------- section -- */

.section { padding: 4.25rem 0; scroll-margin-top: 3.5rem; }

.section-head { margin-bottom: 1.8rem; }
.section-head h2 {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  margin: 0;
  font-size: clamp(1.05rem, 2.6vw, 1.4rem);
  font-weight: 700;
  color: var(--terminal-text);
}
.section-head h2::before { content: "$"; color: var(--terminal-green); }
.section-head p { margin: 0.35rem 0 0; color: var(--terminal-dim); font-size: 0.84rem; }
.section-head .rule {
  margin-top: 0.9rem;
  height: 1px;
  background: linear-gradient(90deg, var(--terminal-line-bright), transparent);
}

/* Panels reuse the blog's panel treatment. */
.panel {
  border: 1px solid var(--terminal-line);
  border-radius: 10px;
  background: color-mix(in srgb, var(--terminal-panel) 88%, transparent);
  backdrop-filter: blur(6px);
}

/* ---------------------------------------------------------------- about -- */

.about-grid { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 1.5rem; }

.about-text { padding: 1.4rem 1.5rem; }
.about-text p { margin: 0 0 0.9rem; color: var(--terminal-muted); }
.about-text p:last-child { margin-bottom: 0; }
.about-text .kw { color: var(--terminal-green); }
.about-text .str { color: var(--terminal-amber); }

.stat-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; background: var(--terminal-line); border-radius: 10px; overflow: hidden; border: 1px solid var(--terminal-line); }
.stat {
  padding: 1.1rem 1.2rem;
  background: var(--terminal-panel);
  transition: background 0.2s ease;
}
.stat:hover { background: var(--terminal-surface); }
.stat-value { font-size: clamp(1.5rem, 4vw, 2.1rem); font-weight: 700; color: var(--terminal-green); line-height: 1.1; text-shadow: var(--glow); }
.stat-label { margin-top: 0.2rem; color: var(--terminal-dim); font-size: 0.75rem; letter-spacing: 0.05em; text-transform: uppercase; }

.lang-bar { display: flex; height: 10px; margin-top: 1.2rem; border-radius: 999px; overflow: hidden; border: 1px solid var(--terminal-line); }
.lang-bar span { height: 100%; transition: filter 0.2s ease; }
.lang-bar span:hover { filter: brightness(1.4); }
.lang-legend { display: flex; flex-wrap: wrap; gap: 0.4rem 1rem; margin-top: 0.7rem; font-size: 0.75rem; color: var(--terminal-muted); }
.lang-legend i { display: inline-block; width: 0.55rem; height: 0.55rem; margin-right: 0.35rem; border-radius: 2px; font-style: normal; }

/* ------------------------------------------------------------- projects -- */

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.25rem;
  perspective: 1200px;
}

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 1.5rem 1.55rem;
  border: 1px solid var(--terminal-line);
  border-radius: 10px;
  background: color-mix(in srgb, var(--terminal-panel) 92%, transparent);
  transform-style: preserve-3d;
  transition: border-color 0.2s ease, box-shadow 0.25s ease;
  will-change: transform;
}
.card::after {
  /* Cursor-tracked sheen; --mx/--my are written by JS. */
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 10px;
  background: radial-gradient(320px circle at var(--mx, 50%) var(--my, 50%),
    color-mix(in srgb, var(--terminal-green) 13%, transparent), transparent 70%);
  opacity: 0;
  transition: opacity 0.25s ease;
  pointer-events: none;
}
.card:hover { border-color: var(--terminal-green); box-shadow: 0 18px 45px rgba(0, 0, 0, 0.45), var(--glow); }
.card:hover::after { opacity: 1; }

.card > * { transform: translateZ(28px); }

.card-top {
  display: grid;
  grid-template-columns: 3.35rem minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.9rem;
  min-height: 3.35rem;
}
.card-logo {
  display: grid;
  place-items: center;
  width: 3.35rem;
  height: 3.35rem;
}
.card-logo img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: filter 0.18s ease;
}
.card-logo:hover img { filter: brightness(1.15); }
:root[data-terminal-theme="white"] .card-logo img { filter: saturate(1.45) brightness(0.62) contrast(1.12); }
:root[data-terminal-theme="white"] .card-logo:hover img { filter: saturate(1.45) brightness(0.72) contrast(1.12); }
.card-logo-fallback {
  color: var(--terminal-dim);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}
.card-name { min-width: 0; font-weight: 700; font-size: 1rem; color: var(--terminal-green); overflow-wrap: anywhere; }
.card-name::before { content: "./"; color: var(--terminal-dim); }
.card-pin { font-size: 0.68rem; color: var(--terminal-amber); border: 1px solid currentColor; border-radius: 4px; padding: 0 0.4rem; white-space: nowrap; }
.card-desc { margin: 1.15rem 0 1.2rem; color: var(--terminal-muted); font-size: 0.83rem; line-height: 1.7; flex: 1 1 auto; }
.card-topics { display: flex; flex-wrap: wrap; gap: 0.35rem; margin-bottom: 0.9rem; }
.card-topics span { font-size: 0.68rem; color: var(--terminal-dim); background: var(--terminal-inline-code-bg); border-radius: 4px; padding: 0.1rem 0.45rem; }
.card-foot { display: flex; align-items: center; gap: 1rem; font-size: 0.75rem; color: var(--terminal-dim); border-top: 1px dashed var(--terminal-line); padding-top: 0.9rem; }
.card-foot .dot { width: 0.55rem; height: 0.55rem; border-radius: 999px; display: inline-block; margin-right: 0.3rem; vertical-align: -1px; }
.card-links { margin-left: auto; display: flex; gap: 0.7rem; }
.card-links a { font-size: 0.75rem; }

/* ------------------------------------------------------------------ blog -- */

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
}
.blog-card {
  position: relative;
  display: flex;
  min-width: 0;
  flex-direction: column;
  padding: 1.45rem 1.5rem;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}
.blog-card:hover {
  transform: translateY(-3px);
  border-color: var(--terminal-green);
  box-shadow: var(--glow);
}
.blog-date {
  color: var(--terminal-amber);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
}
.blog-date::before { content: "[ "; color: var(--terminal-dim); }
.blog-date::after { content: " ]"; color: var(--terminal-dim); }
.blog-title {
  margin-top: 0.8rem;
  color: var(--terminal-text);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.55;
  overflow-wrap: anywhere;
}
.blog-title:hover { color: var(--terminal-green); }
.blog-excerpt {
  flex: 1 1 auto;
  margin: 0.75rem 0 1rem;
  color: var(--terminal-muted);
  font-size: 0.8rem;
  line-height: 1.7;
}
.blog-tags { display: flex; flex-wrap: wrap; gap: 0.35rem; }
.blog-tags span {
  padding: 0.1rem 0.4rem;
  border-radius: 3px;
  background: var(--terminal-inline-code-bg);
  color: var(--terminal-dim);
  font-size: 0.68rem;
}
.blog-read {
  align-self: flex-end;
  margin-top: 1rem;
  padding-top: 0.8rem;
  width: 100%;
  border-top: 1px dashed var(--terminal-line);
  text-align: right;
  font-size: 0.75rem;
}

/* ---------------------------------------------------------- contributions -- */

.contrib-wrap { position: relative; border: 1px solid var(--terminal-line); border-radius: 10px; overflow: hidden; background: var(--terminal-code-bg); }
#contrib-canvas { display: block; width: 100%; height: clamp(260px, 38vh, 380px); cursor: grab; }
#contrib-canvas:active { cursor: grabbing; }
.contrib-tip {
  position: absolute;
  z-index: 3;
  padding: 0.3rem 0.6rem;
  border: 1px solid var(--terminal-line-bright);
  border-radius: 4px;
  background: var(--terminal-bg);
  color: var(--terminal-text);
  font-size: 0.75rem;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transform: translate(-50%, -140%);
  transition: opacity 0.15s ease;
}
.contrib-tip.on { opacity: 1; }
.contrib-foot { display: flex; flex-wrap: wrap; align-items: center; gap: 0.6rem 1.2rem; padding: 0.7rem 1rem; border-top: 1px solid var(--terminal-line); font-size: 0.75rem; color: var(--terminal-dim); }
.contrib-foot .legend { display: flex; align-items: center; gap: 0.3rem; margin-left: auto; }
.contrib-foot .legend i { width: 0.65rem; height: 0.65rem; border-radius: 2px; display: inline-block; }

/* ------------------------------------------------------------- activity -- */

.activity { padding: 0.4rem 0; font-size: 0.82rem; }
.activity li { display: flex; gap: 0.7rem; padding: 0.45rem 1.2rem; list-style: none; color: var(--terminal-muted); border-left: 2px solid transparent; transition: background 0.15s ease, border-color 0.15s ease; }
.activity li:hover { background: var(--terminal-soft-bg); border-left-color: var(--terminal-green); }
.activity ul { margin: 0; padding: 0; }
.activity .when { color: var(--terminal-dim); flex: 0 0 auto; min-width: 5.5rem; }
.activity .what { color: var(--terminal-muted); }
.activity .where { color: var(--terminal-green); }

/* ---------------------------------------------------------------- links -- */

.link-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1rem; }
.link-card {
  display: flex;
  gap: 0.9rem;
  align-items: center;
  padding: 1rem 1.1rem;
  border: 1px solid var(--terminal-line);
  border-radius: 10px;
  background: color-mix(in srgb, var(--terminal-panel) 92%, transparent);
  color: var(--terminal-text);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}
.link-card:hover { transform: translateY(-3px); border-color: var(--terminal-green); box-shadow: var(--glow); color: var(--terminal-text); }
.link-avatar {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 2.4rem;
  height: 2.4rem;
  border: 1px solid var(--terminal-line-bright);
  border-radius: 8px;
  background: var(--terminal-code-bg);
  color: var(--terminal-green);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: -0.02em;
  overflow: hidden;
}
.link-avatar img { width: 100%; height: 100%; object-fit: cover; }
.link-name { font-weight: 700; font-size: 0.9rem; }
.link-desc { color: var(--terminal-dim); font-size: 0.76rem; }

/* ----------------------------------------------------------- local chat -- */

/* A mini terminal window floating inside the shell — same chrome language. */
.chat-panel {
  position: absolute;
  right: 1rem;
  bottom: 1rem;
  z-index: 15;
  display: flex;
  flex-direction: column;
  width: min(30rem, calc(100% - 2rem));
  height: min(32rem, calc(100% - 2rem));
  border: 1px solid var(--terminal-line-bright);
  border-radius: 10px;
  background: color-mix(in srgb, var(--terminal-panel) 96%, transparent);
  backdrop-filter: blur(10px);
  box-shadow: var(--terminal-shadow);
}
.chat-panel[hidden] { display: none; }

.chat-head {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.5rem 0.8rem;
  border-bottom: 1px solid var(--terminal-line);
}
.chat-title {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--terminal-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.chat-status {
  margin-left: auto;
  padding: 0 0.4rem;
  border: 1px solid var(--terminal-line);
  border-radius: 4px;
  color: var(--terminal-dim);
  font-size: 0.68rem;
  white-space: nowrap;
}
.chat-status[data-state="ready"] { color: var(--terminal-green); border-color: currentColor; }
.chat-status[data-state="busy"],
.chat-status[data-state="loading"] { color: var(--terminal-amber); border-color: currentColor; }
.chat-status[data-state="error"] { color: var(--terminal-red); border-color: currentColor; }
.chat-close {
  padding: 0 0.2rem;
  border: 0;
  background: none;
  color: var(--terminal-dim);
  font: inherit;
  cursor: pointer;
}
.chat-close:hover { color: var(--terminal-red); }

.chat-log {
  flex: 1 1 auto;
  overflow-y: auto;
  padding: 0.8rem 0.9rem;
  font-size: 0.82rem;
  scrollbar-width: thin;
  scrollbar-color: var(--terminal-line-bright) transparent;
}
.chat-log div { margin: 0 0 0.55rem; white-space: pre-wrap; word-break: break-word; }
.chat-log .sys { color: var(--terminal-dim); }
.chat-log .err { color: var(--terminal-red); }
.chat-log .user::before { content: "> "; color: var(--terminal-green); font-weight: 700; }
.chat-log .ai { color: var(--terminal-cyan); }

.chat-input-row {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 0.9rem;
  border-top: 1px solid var(--terminal-line);
}
.chat-prompt-sign { color: var(--terminal-green); font-weight: 700; }
#chat-input {
  flex: 1 1 auto;
  min-width: 0;
  border: 0;
  background: none;
  color: var(--terminal-text);
  font: inherit;
  font-size: 0.85rem;
  outline: none;
  caret-color: var(--terminal-green);
}
#chat-input::placeholder { color: var(--terminal-dim); }

/* --------------------------------------------------------------- footer -- */

.site-footer {
  margin-top: 3rem;
  padding: 5rem 0 3rem;
  overflow: hidden;
  border-top: 1px solid var(--terminal-line);
  background: var(--terminal-bg);
  color: var(--terminal-muted);
  font-size: 0.78rem;
}
.footer-top { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 2rem; }
.site-footer a { color: var(--terminal-muted); }
.site-footer a:hover { color: var(--terminal-green); text-decoration: underline; text-underline-offset: 4px; }
.site-footer a:focus-visible { outline: 2px solid var(--terminal-green); outline-offset: 5px; border-radius: 2px; }
.site-footer .footer-logo { color: var(--terminal-text); font-size: 1.5rem; font-weight: 700; letter-spacing: -0.08em; }
.footer-logo span { color: var(--terminal-green); }
.footer-brand p { margin: 0.8rem 0 0; line-height: 1.9; }
.footer-column { display: flex; flex-direction: column; align-items: flex-start; gap: 0.65rem; }
.footer-column h2 { margin: 0 0 0.4rem; color: var(--terminal-text); font-size: 0.8rem; font-weight: 700; }
.footer-column a { padding-block: 0.2rem; }
.footer-landscape { width: min(1440px, 100%); margin: 2.5rem auto 0; }
.footer-landscape img {
  display: block;
  width: 100%;
  height: auto;
  mix-blend-mode: lighten;
  mask-image: linear-gradient(to bottom, transparent, #000 8%, #000 90%, transparent);
}
:root[data-terminal-theme="white"] .footer-landscape img { mix-blend-mode: multiply; }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: 0.8rem 2rem; margin-top: 1.5rem; }
.footer-place { text-align: right; font-size: 0.7rem; }
.site-footer .stamp { flex-basis: 100%; font-size: 0.65rem; }

/* ------------------------------------------------------------- reveal fx -- */

.reveal { opacity: 1; transform: translateY(18px); transition: transform 0.6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* --------------------------------------------------------------- mobile -- */

@media (max-width: 860px) {
  .about-grid { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 620px) {
  html { font-size: 14px; }
  .terminal-shell { margin-inline: 0.5rem; }
  .wrap { padding: 0 1rem; }
  .site-nav { padding: 0.5rem 1rem; gap: 0.9rem; }
  .terminal-title { font-size: 0.75rem; }
  .stat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .project-grid { grid-template-columns: minmax(0, 1fr); gap: 1rem; }
  .blog-grid { grid-template-columns: minmax(0, 1fr); gap: 1rem; }
  .card { padding: 1.3rem; }
  .card > * { transform: none; }
  .card-top { grid-template-columns: 3rem minmax(0, 1fr) auto; gap: 0.75rem; min-height: 3rem; }
  .card-logo { width: 3rem; height: 3rem; }
  .card-pin { align-self: start; }
  .activity .when { min-width: 4.5rem; }
  /* Shorter canvas better matches the half-year strip's aspect on phones. */
  #contrib-canvas { height: 220px; }
  .contrib-foot { font-size: 0.7rem; gap: 0.4rem 0.8rem; }
  .contrib-foot .legend { margin-left: 0; }
  /* On phones the chat takes the whole shell — a floating window would be
     mostly keyboard anyway. */
  .chat-panel { inset: 0.5rem; width: auto; height: auto; }
  .site-footer { margin-top: 2rem; padding: 3rem 0 2.5rem; }
  .footer-top { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2rem 1rem; }
  .footer-column a { padding-block: 0.4rem; }
  .footer-landscape { width: 160%; margin-left: -20%; margin-top: 2rem; }
  .footer-bottom { flex-direction: column; gap: 0.8rem; }
  .footer-place { text-align: left; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .cursor, .scroll-hint { animation: none; }
  .terminal-viewport { scroll-behavior: auto; }
}