/* 叉燒的秘密小空間 — shared styles for every wing.
   Sci-fi glass: frosted translucent panels floating over a dark space lit by
   soft coloured glows, cool white text, and one accent colour per wing
   (set by <body data-wing="...">). */

:root {
  --bg: #04060b;
  --panel: rgba(255, 255, 255, 0.06);
  --panel-2: rgba(255, 255, 255, 0.07);
  --panel-3: rgba(255, 255, 255, 0.09);
  --glass-edge: rgba(255, 255, 255, 0.18);
  --glass-shine: rgba(255, 255, 255, 0.24);
  --line: rgba(200, 220, 255, 0.10);
  --line-strong: rgba(200, 220, 255, 0.20);
  --text: #e8eef6;
  --text-dim: #9aa7b8;
  --text-faint: #5f6b7c;

  --ice: #7cc8ff;
  --amber: #f3b35b;
  --cyan: #45dcef;
  --violet: #a594ff;
  --rose: #ff8aa1;
  --accent: var(--ice);
  --accent-soft: color-mix(in oklab, var(--accent) 12%, transparent);
  --accent-line: color-mix(in oklab, var(--accent) 45%, transparent);

  --display: "Space Grotesk", "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
  --sans: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "Cascadia Mono", monospace;

  --radius: 18px;
  --wrap: 1120px;
  --gutter: clamp(16px, 4vw, 40px);
  color-scheme: dark;
}

body[data-wing="games"] { --accent: var(--amber); }
body[data-wing="apps"]  { --accent: var(--cyan); }
body[data-wing="lab"]   { --accent: var(--violet); }
body[data-wing="blog"]  { --accent: var(--rose); }

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(1000px 520px at 50% -12%, color-mix(in oklab, var(--accent) 9%, transparent), transparent 70%),
    var(--bg);
  color: var(--text);
  font: 400 16px/1.75 var(--sans);
  letter-spacing: 0.01em;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
body::before {
  /* faint blueprint grid, fading out below the fold */
  content: "";
  position: fixed; inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 72px 72px;
  background-position: center top;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 30%, transparent 85%);
  opacity: 0.4;
  z-index: 0;
}
body::after {
  /* coloured light behind the glass, so the frosted panels have something to blur */
  content: "";
  position: fixed; inset: -10%;
  pointer-events: none;
  background:
    radial-gradient(42% 38% at 16% 20%, color-mix(in oklab, var(--accent) 60%, transparent), transparent 70%),
    radial-gradient(36% 34% at 86% 28%, rgba(124, 92, 255, 0.42), transparent 70%),
    radial-gradient(42% 38% at 72% 86%, rgba(40, 200, 230, 0.32), transparent 70%),
    radial-gradient(30% 28% at 30% 70%, rgba(255, 110, 170, 0.18), transparent 70%);
  animation: drift 40s ease-in-out infinite alternate;
  filter: blur(50px);
  z-index: -1;
}
body { isolation: isolate; }
body > * { position: relative; z-index: 1; }

a { color: inherit; text-decoration-color: var(--accent-line); text-underline-offset: 4px; }
a:hover { color: var(--accent); }
:focus-visible { outline: 1px solid var(--accent); outline-offset: 3px; }
img { max-width: 100%; height: auto; display: block; }
h1, h2, h3 { font-family: var(--display); font-weight: 700; line-height: 1.2; margin: 0; letter-spacing: 0.01em; text-wrap: balance; }
p { margin: 0 0 1em; text-wrap: pretty; }
strong { color: var(--text); font-weight: 700; }
.wrap { width: min(var(--wrap), 100% - 2 * var(--gutter)); margin-inline: auto; }
.nw { white-space: nowrap; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 16px; top: 12px; background: var(--panel-2); padding: 8px 12px; z-index: 10; }

/* ---------- header ---------- */
.site-header { border-bottom: 1px solid var(--glass-edge); backdrop-filter: blur(20px) saturate(160%); -webkit-backdrop-filter: blur(20px) saturate(160%); background: rgba(8, 12, 20, 0.55); box-shadow: inset 0 -1px 0 rgba(255,255,255,0.03); position: sticky; top: 0; z-index: 5; }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 64px; flex-wrap: wrap; padding-block: 8px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.brand svg { width: 28px; height: 28px; color: var(--accent); flex: none; filter: drop-shadow(0 0 6px var(--accent-line)); }
.brand b { font-family: var(--sans); font-size: 16px; font-weight: 700; letter-spacing: 0.08em; white-space: nowrap; }
.brand small { display: block; font: 500 9.5px/1 var(--mono); letter-spacing: 0.3em; color: var(--text-faint); margin-top: 4px; }
.nav { display: flex; gap: 2px; flex-wrap: wrap; padding: 4px; border-radius: 999px; background: var(--panel); border: 1px solid var(--glass-edge); box-shadow: inset 0 1px 0 var(--glass-shine); }
.nav a { text-decoration: none; font-size: 14px; padding: 6px 14px; border-radius: 999px; color: var(--text-dim); letter-spacing: 0.06em; transition: background .2s, color .2s; }
.nav a:hover { color: var(--text); background: var(--panel); }
.nav a[aria-current="page"] { color: var(--text); background: color-mix(in oklab, var(--accent) 22%, transparent); box-shadow: inset 0 1px 0 rgba(255,255,255,0.18), 0 0 18px -4px var(--accent); }

/* ---------- labels ---------- */
.eyebrow { font: 500 11.5px/1 var(--mono); letter-spacing: 0.28em; text-transform: uppercase; color: var(--accent); display: inline-flex; gap: 12px; align-items: center; }
.eyebrow::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; box-shadow: 0 0 10px currentColor; }
.chip { display: inline-block; font: 500 11.5px/1 var(--mono); letter-spacing: 0.08em; padding: 7px 11px; border-radius: 999px; border: 1px solid var(--glass-edge); background: var(--panel); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); color: var(--text-dim); white-space: nowrap; text-decoration: none; }
.chip.live { color: var(--accent); border-color: var(--accent-line); background: var(--accent-soft); }
a.chip:hover { border-color: var(--accent); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }

/* ---------- hero ---------- */
.hero { padding: clamp(56px, 11vw, 136px) 0 clamp(32px, 6vw, 72px); }
.hero .wrap { display: grid; gap: clamp(24px, 5vw, 64px); align-items: center; }
.hero h1 { font-size: clamp(32px, 6.6vw, 76px); font-weight: 700; margin: 22px 0 20px; letter-spacing: 0.02em; }
.hero h1 em { font-style: normal; color: var(--accent); text-shadow: 0 0 32px color-mix(in oklab, var(--accent) 35%, transparent); }
.hero .lede { font-size: clamp(16px, 1.6vw, 19px); color: var(--text-dim); max-width: 34em; }

/* ---------- sections ---------- */
section { padding: clamp(32px, 6vw, 72px) 0; }
.section-head { display: flex; justify-content: space-between; align-items: end; gap: 16px; margin-bottom: 28px; flex-wrap: wrap; border-bottom: 1px solid var(--line); padding-bottom: 16px; }
.section-head h2 { font-size: clamp(22px, 2.8vw, 30px); margin-top: 12px; }
.section-head p { color: var(--text-faint); margin: 0; max-width: 32em; font-size: 14.5px; }

/* ---------- cards ---------- */
.grid { display: grid; gap: 20px; align-items: start; grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr)); }
.card {
  position: relative; display: flex; flex-direction: column;
  background-color: var(--panel);
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  text-decoration: none; transition: border-color .25s ease, box-shadow .25s ease, transform .25s ease;
}
.card:hover { transform: translateY(-2px); border-color: var(--accent-line); box-shadow: 0 0 0 1px var(--accent-soft), 0 20px 50px -24px color-mix(in oklab, var(--accent) 55%, transparent); color: inherit; }
.card .art { aspect-ratio: 16 / 10; background: var(--panel-3); position: relative; overflow: hidden; border-bottom: 1px solid var(--line); }
.card .art::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 55%, color-mix(in oklab, var(--panel) 70%, transparent)); pointer-events: none; }
.card .art > img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.card:hover .art > img { transform: scale(1.03); }
.card .body { padding: 20px 22px 22px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.card h3 { font-size: 21px; }
.card p { color: var(--text-dim); font-size: 14.5px; margin: 0; }
.card .more { margin-top: auto; padding-top: 8px; font: 500 12px/1 var(--mono); color: var(--accent); letter-spacing: 0.16em; text-transform: uppercase; }
.card[data-wing="games"] { --accent: var(--amber); }
.card[data-wing="apps"]  { --accent: var(--cyan); }
.card[data-wing="lab"]   { --accent: var(--violet); }
.card[data-wing="blog"]  { --accent: var(--rose); }

/* ---------- wing doors on the home page ---------- */
.doors { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 230px), 1fr)); }
.door { text-decoration: none; padding: 22px; border-radius: var(--radius); border: 1px solid var(--line); background-color: var(--panel); display: grid; gap: 10px; position: relative; overflow: hidden; transition: border-color .25s, box-shadow .25s; }
.door::after { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 1px; background: linear-gradient(90deg, transparent, var(--accent), transparent); opacity: 0; transition: opacity .25s; }
.door:hover { border-color: var(--accent-line); box-shadow: 0 20px 50px -28px var(--accent); color: inherit; }
.door:hover::after { opacity: 1; }
.door .num { font: 500 11.5px/1 var(--mono); color: var(--accent); letter-spacing: 0.24em; }
.door h3 { font-size: 22px; }
.door .host { font: 400 11.5px/1.4 var(--mono); color: var(--text-faint); word-break: break-all; }
.door p { margin: 0; color: var(--text-dim); font-size: 14px; }
.door[data-wing="games"] { --accent: var(--amber); }
.door[data-wing="apps"]  { --accent: var(--cyan); }
.door[data-wing="lab"]   { --accent: var(--violet); }
.door[data-wing="blog"]  { --accent: var(--rose); }

/* ---------- detail pages ---------- */
.crumbs { font: 400 12.5px/1 var(--mono); color: var(--text-faint); padding-top: 32px; letter-spacing: 0.06em; }
.crumbs a { text-decoration: none; color: var(--text-dim); }
.detail-hero { padding: 28px 0 40px; }
.detail-hero h1 { font-size: clamp(32px, 5.2vw, 58px); margin: 18px 0 14px; }
.detail-hero .lede { font-size: 18px; color: var(--text-dim); max-width: 40em; }
.detail { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: clamp(24px, 4vw, 56px); align-items: start; padding-bottom: 80px; }
.detail article h2 { font-size: 22px; margin: 44px 0 14px; display: flex; gap: 12px; align-items: baseline; }
.detail article h2::before { content: "//"; font: 500 14px/1 var(--mono); color: var(--accent); }
.detail article h2:first-child { margin-top: 0; }
.detail article ul { padding-left: 1.2em; margin: 0 0 1em; }
.detail article li { margin-bottom: 6px; color: var(--text-dim); }
.detail article li::marker { content: "▸  "; color: var(--accent); font-size: 0.8em; }
.detail article p { color: var(--text-dim); }
.facts { position: sticky; top: 88px; border: 1px solid var(--line); border-radius: var(--radius); background-color: var(--panel); padding: 20px; }
.facts dl { margin: 0; display: grid; gap: 16px; }
.facts dt { font: 500 10.5px/1 var(--mono); letter-spacing: 0.24em; color: var(--text-faint); text-transform: uppercase; margin-bottom: 6px; }
.facts dd { margin: 0; font-size: 14.5px; }
@media (max-width: 860px) { .detail { grid-template-columns: 1fr; } .facts { position: static; } }

.figure { margin: 0 0 12px; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); background-color: var(--panel); }
.figure figcaption { font-size: 12.5px; color: var(--text-faint); padding: 10px 14px; border-top: 1px solid var(--line); }
.shelf { display: grid; grid-template-columns: repeat(auto-fill, minmax(96px, 1fr)); gap: 10px; padding: 22px 18px; background: radial-gradient(ellipse at 50% 0%, var(--accent-soft), transparent 70%); }
.shelf figure { margin: 0; text-align: center; font-size: 12px; color: var(--text-dim); }
.shelf img { width: 100%; aspect-ratio: 1; object-fit: contain; filter: drop-shadow(0 10px 16px rgba(0,0,0,.6)); transition: transform .3s; }
.shelf figure:hover img { transform: translateY(-4px); }

.gallery { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; padding: 8px; }
.gallery img { width: 100%; aspect-ratio: 9 / 16; object-fit: cover; border-radius: 12px; }
@media (max-width: 520px) { .gallery { grid-template-columns: repeat(2, 1fr); } }
.with-icon { display: flex; align-items: center; gap: 16px; }
.with-icon img { width: 1.2em; height: 1.2em; border-radius: 22%; flex: none; }
.figure > img { width: 100%; }
.figure.narrow { max-width: 540px; }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 12px; margin: 8px 0 28px; }
.stat { border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; background-color: var(--panel); --c: 7px; }
.stat b { display: block; font: 600 30px/1.1 var(--display); color: var(--accent); font-variant-numeric: tabular-nums; letter-spacing: -0.01em; }
.stat span { font-size: 12.5px; color: var(--text-faint); }

code { font: 0.88em var(--mono); background: var(--panel-3); border: 1px solid var(--line); padding: 1px 6px; border-radius: 6px; }
.pipeline { list-style: none; padding: 0; margin: 8px 0 24px; display: grid; gap: 0; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); counter-reset: step; border: 1px solid var(--line); border-radius: var(--radius); }
.pipeline li { padding: 16px; background: var(--panel); counter-increment: step; margin: 0 !important; border-right: 1px solid var(--line); }
.pipeline li:last-child { border-right: 0; }
.pipeline li::before { content: "0" counter(step); display: block; font: 500 11px/1 var(--mono); color: var(--accent); letter-spacing: .24em; margin-bottom: 10px; }
.pipeline b { display: block; font-family: var(--display); font-size: 16px; }
.pipeline span { font-size: 13px; color: var(--text-faint); }
.note { border: 1px solid var(--accent-line); background: var(--accent-soft); padding: 12px 16px; border-radius: 12px; font-size: 14px; color: var(--text-dim) !important; margin: 18px 0; }

/* ---------- devlog timeline ---------- */
.timeline { list-style: none; margin: 0; padding: 0; border-left: 1px solid var(--line-strong); }
.timeline > li { position: relative; padding: 0 0 36px 28px; }
.timeline > li::before { content: ""; position: absolute; left: -5px; top: 6px; width: 9px; height: 9px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 10px var(--accent); }
.timeline time { font: 500 12px/1 var(--mono); color: var(--accent); letter-spacing: 0.14em; }
.timeline h3 { font-size: 19px; margin: 10px 0 8px; }
.timeline p { color: var(--text-dim); margin: 0 0 10px; }

/* ---------- footer ---------- */
.site-footer { border-top: 1px solid var(--line); padding: 36px 0 48px; color: var(--text-faint); font: 400 12.5px/1.6 var(--mono); letter-spacing: 0.04em; }
.site-footer .wrap { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; align-items: center; }
.site-footer nav { display: flex; gap: 18px; flex-wrap: wrap; }
.site-footer a { text-decoration: none; }

/* ---------- motion ---------- */
.rise { animation: rise .9s cubic-bezier(.2,.7,.2,1) both; }
.rise.d1 { animation-delay: .08s; } .rise.d2 { animation-delay: .16s; } .rise.d3 { animation-delay: .24s; }
@keyframes rise { from { opacity: 0; transform: translateY(12px); filter: blur(4px); } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; } }

/* light-themed app screenshots sit a little darker so they don't glare on the dark page */
.card .art > img.ui-shot { object-position: top; filter: brightness(.8) contrast(1.05); }
.card:hover .art > img.ui-shot { filter: none; }

/* ---------- glass panels ----------
   Kept last so it wins over the per-component borders above. */
.card, .door, .facts, .figure, .stat, .pipeline {
  background-color: var(--panel);
  border: 1px solid var(--glass-edge);
  backdrop-filter: blur(26px) saturate(180%);
  -webkit-backdrop-filter: blur(26px) saturate(180%);
  box-shadow:
    inset 0 1px 0 var(--glass-shine),
    inset 0 0 0 1px rgba(255, 255, 255, 0.015),
    0 24px 48px -28px rgba(0, 0, 0, 0.7);
}
.card, .door, .facts, .stat, .pipeline, .figure { background-image: linear-gradient(155deg, rgba(255,255,255,0.13), rgba(255,255,255,0.03) 40%, rgba(255,255,255,0.015)); }
.card:hover, .door:hover {
  border-color: color-mix(in oklab, var(--accent) 45%, var(--glass-edge));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.16),
    0 0 0 1px var(--accent-soft),
    0 28px 60px -26px color-mix(in oklab, var(--accent) 55%, transparent);
}
.pipeline li { background: transparent; }
.stat { --radius: 14px; }
.card .art { border-radius: calc(var(--radius) - 1px) calc(var(--radius) - 1px) 0 0; }@keyframes drift { to { transform: translate3d(3%, 4%, 0) scale(1.06); } }