/* Theme tokens. Category accents are picked with [data-accent] below. */
:root {
  --bg: #07080f;
  --panel: #0c0f1c;
  --line: #1d2340;
  --text: #c9d1e8;
  --bright: #eefcff;
  --dim: #6b7598;
  --cyan: #00f0ff;
  --magenta: #ff2bd6;
  --yellow: #f5ff3c;
  --green: #39ff88;
  --accent: var(--cyan);
  --font: ui-monospace, "JetBrains Mono", "SFMono-Regular", Menlo, Consolas, "Liberation Mono",
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", monospace;
  --ease: cubic-bezier(.2, .7, .2, 1);
  color-scheme: dark;
}

[data-accent="cyan"] { --accent: var(--cyan); }
[data-accent="magenta"] { --accent: var(--magenta); }
[data-accent="yellow"] { --accent: var(--yellow); }
[data-accent="green"] { --accent: var(--green); }

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }

html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.6 var(--font);
  -webkit-font-smoothing: antialiased;
}

::selection { background: color-mix(in srgb, var(--magenta) 45%, transparent); color: #fff; }

/* ---- Fixed backdrop: static, own layers, never repainted on scroll ---- */
.fx {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
  background:
    radial-gradient(ellipse 70% 45% at 50% -8%, color-mix(in srgb, var(--magenta) 13%, transparent), transparent 70%),
    radial-gradient(ellipse 50% 40% at 100% 100%, color-mix(in srgb, var(--cyan) 8%, transparent), transparent 70%);
  transform: translateZ(0);
}
.fx-grid {
  position: absolute;
  left: -50%;
  right: -50%;
  bottom: 0;
  height: 60vh;
  background-image:
    linear-gradient(color-mix(in srgb, var(--cyan) 14%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--cyan) 14%, transparent) 1px, transparent 1px);
  background-size: 56px 56px;
  transform: perspective(420px) rotateX(62deg);
  transform-origin: 50% 100%;
  -webkit-mask-image: linear-gradient(to top, #000 0%, transparent 85%);
  mask-image: linear-gradient(to top, #000 0%, transparent 85%);
  opacity: .55;
}
.scan {
  position: fixed;
  inset: 0;
  z-index: 50;
  pointer-events: none;
  background: repeating-linear-gradient(to bottom, rgba(255, 255, 255, .035) 0 1px, transparent 1px 3px);
  transform: translateZ(0);
}

.wrap {
  position: relative;
  z-index: 1;
  max-width: 1120px;
  margin: 0 auto;
  padding: 40px 16px 32px;
}

/* ---- Header ---- */
.top {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px 24px;
  margin-bottom: 28px;
}
.brand { min-width: 0; }
.glitch {
  position: relative;
  display: inline-block;
  margin: 0;
  font-size: clamp(1.5rem, 4.6vw, 2.5rem);
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--bright);
  text-shadow: 0 0 18px color-mix(in srgb, var(--cyan) 45%, transparent);
  cursor: default;
}
/* RGB-split slices: static clip-paths, only transform/opacity animate. */
.glitch::before,
.glitch::after {
  content: attr(data-text);
  position: absolute;
  inset: 0;
  opacity: 0;
  text-shadow: none;
  pointer-events: none;
}
.glitch::before { color: var(--magenta); clip-path: inset(0 0 52% 0); }
.glitch::after { color: var(--cyan); clip-path: inset(58% 0 0 0); }
.glitch.run { animation: gl-main .34s steps(1, end); }
.glitch.run::before { animation: gl-a .34s steps(1, end); }
.glitch.run::after { animation: gl-b .34s steps(1, end); }
@keyframes gl-main {
  0% { transform: translate(1px, 0); }
  30% { transform: translate(-1px, 1px); }
  60% { transform: translate(1px, -1px); }
  100% { transform: none; }
}
@keyframes gl-a {
  0% { opacity: 1; transform: translate(-4px, -1px); }
  25% { transform: translate(3px, 0); }
  50% { transform: translate(-2px, 1px); }
  75% { transform: translate(5px, 0); }
  100% { opacity: 0; transform: none; }
}
@keyframes gl-b {
  0% { opacity: 1; transform: translate(4px, 1px); }
  25% { transform: translate(-3px, 0); }
  50% { transform: translate(2px, -1px); }
  75% { transform: translate(-5px, 0); }
  100% { opacity: 0; transform: none; }
}
.cursor {
  display: inline-block;
  width: .55em;
  height: 1.05em;
  margin-left: .3em;
  vertical-align: -.12em;
  font-size: clamp(1.5rem, 4.6vw, 2.5rem);
  background: var(--yellow);
  box-shadow: 0 0 10px color-mix(in srgb, var(--yellow) 60%, transparent);
  animation: blink 1.1s steps(1, end) infinite;
}
@keyframes blink { 50% { opacity: 0; } }
.sub {
  margin: 6px 0 0;
  color: var(--dim);
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
}
.sub::before { content: "// "; color: var(--magenta); }

.status {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: 6px;
  color: var(--dim);
  font-size: 12px;
  letter-spacing: .08em;
  font-variant-numeric: tabular-nums;
}
.dot {
  width: 7px;
  height: 7px;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
}
#host { color: var(--text); }
.lang {
  margin-left: 8px;
  padding: 4px 10px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--cyan);
  font: inherit;
  letter-spacing: .1em;
  cursor: pointer;
  transition: border-color .15s, color .15s;
}
.lang:hover, .lang:focus-visible { border-color: var(--cyan); color: var(--bright); outline: none; }

/* ---- Search ---- */
.search {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 14px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--panel) 88%, transparent);
  transition: border-color .15s;
}
.search::after {
  content: "";
  position: absolute;
  inset: -1px;
  pointer-events: none;
  box-shadow: 0 0 0 1px var(--cyan), 0 0 22px color-mix(in srgb, var(--cyan) 22%, transparent),
    inset 0 0 18px color-mix(in srgb, var(--cyan) 10%, transparent);
  opacity: 0;
  transition: opacity .18s var(--ease);
}
.search:focus-within::after { opacity: 1; }
.prompt { color: var(--magenta); font-weight: 700; }
.search input {
  flex: 1;
  min-width: 0;
  height: 50px;
  padding: 0;
  border: 0;
  outline: none;
  background: transparent;
  color: var(--bright);
  font: inherit;
  font-size: 16px;
  caret-color: var(--yellow);
}
.search input::placeholder { color: var(--dim); opacity: 1; }
.search input::-webkit-search-cancel-button { -webkit-appearance: none; appearance: none; }
.key {
  padding: 1px 7px;
  border: 1px solid var(--line);
  color: var(--dim);
  font: inherit;
  font-size: 12px;
}
.search:focus-within .key { display: none; }
.count {
  color: var(--dim);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

/* ---- Category chips ---- */
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 14px 0 0;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 12px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--dim);
  font: inherit;
  font-size: 12px;
  letter-spacing: .1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: border-color .15s, color .15s, background-color .15s;
}
.chip:hover, .chip:focus-visible { color: var(--text); border-color: color-mix(in srgb, var(--accent) 60%, var(--line)); outline: none; }
.chip[aria-pressed="true"] {
  color: var(--accent);
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 10%, transparent);
}
.chip-n { opacity: .6; font-variant-numeric: tabular-nums; }

.notice {
  margin-top: 16px;
  padding: 10px 14px;
  border-left: 2px solid var(--yellow);
  background: color-mix(in srgb, var(--yellow) 6%, transparent);
  color: var(--yellow);
  font-size: 12px;
}

/* ---- Sections & cards ---- */
main { display: block; }
.cat { margin-top: 36px; }
.cat-title {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 16px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .2em;
  text-transform: uppercase;
}
.cat-rule {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, color-mix(in srgb, var(--accent) 55%, transparent), transparent);
}
.cat-idx { color: var(--dim); font-variant-numeric: tabular-nums; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(270px, 100%), 1fr));
  gap: 16px;
}

/* Cut-corner frame: the outer element's background is the 1px border,
   the inner body sits on top with a slightly deeper cut. */
.card {
  --cut: 16px;
  position: relative;
  display: flex;
  padding: 1px;
  background: var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
  color: inherit;
  text-decoration: none;
  outline: none;
  transition: transform .2s var(--ease);
}
.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--accent), color-mix(in srgb, var(--accent) 35%, var(--line)));
  opacity: 0;
  transition: opacity .2s var(--ease);
}
.card-body {
  position: relative;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 16px 18px 18px;
  background: var(--panel);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut) + 1.5px), calc(100% - var(--cut) + 1.5px) 100%, 0 100%);
}
/* Top-left bracket and inner glow (glow fades in via opacity only). */
.card-body::before {
  content: "";
  position: absolute;
  top: 6px;
  left: 6px;
  width: 9px;
  height: 9px;
  border-top: 2px solid var(--accent);
  border-left: 2px solid var(--accent);
  opacity: .7;
}
.card-body::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  box-shadow: inset 0 0 28px color-mix(in srgb, var(--accent) 22%, transparent);
  opacity: 0;
  transition: opacity .2s var(--ease);
}
.card:hover, .card:focus-visible, .card.is-first { transform: translateY(-2px); }
.card:hover::before, .card:focus-visible::before, .card.is-first::before,
.card:hover .card-body::after, .card:focus-visible .card-body::after, .card.is-first .card-body::after { opacity: 1; }
.card:active { transform: translateY(0); }

.card-head { display: flex; align-items: center; gap: 10px; }
.card-icon {
  display: grid;
  place-items: center;
  flex: none;
  width: 32px;
  height: 32px;
  border: 1px solid color-mix(in srgb, var(--accent) 45%, transparent);
  color: var(--accent);
  font-size: 16px;
  line-height: 1;
}
.card-name {
  flex: 1;
  min-width: 0;
  color: var(--bright);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: .04em;
  overflow-wrap: anywhere;
}
.card-arrow {
  color: var(--dim);
  transition: transform .2s var(--ease), color .2s;
}
.card:hover .card-arrow, .card:focus-visible .card-arrow, .card.is-first .card-arrow {
  color: var(--accent);
  transform: translate(3px, -3px);
}
.card-desc { margin: 0; color: var(--text); font-size: 13px; }
.card-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 10px;
  margin-top: auto;
  padding-right: 12px;
  font-size: 12px;
}
.card-url { color: color-mix(in srgb, var(--accent) 80%, var(--text)); }
.tag { color: var(--dim); }
.tag::before { content: "#"; opacity: .7; }

mark {
  background: color-mix(in srgb, var(--accent) 28%, transparent);
  color: var(--bright);
  box-shadow: 0 1px 0 var(--accent);
}

/* First paint: cards rise in once, staggered. Transform/opacity only. */
.boot .card { animation: rise .45s var(--ease) both; animation-delay: calc(min(var(--i, 0), 12) * 45ms + 80ms); }
@keyframes rise { from { opacity: 0; transform: translateY(10px); } }

/* ---- Empty / error states ---- */
.empty, .error {
  margin-top: 40px;
  padding: 40px 16px;
  border: 1px dashed var(--line);
  text-align: center;
}
.empty-title, .error-title {
  margin: 0;
  font-size: clamp(1.6rem, 6vw, 2.6rem);
  font-weight: 700;
  letter-spacing: .3em;
  color: var(--dim);
  text-shadow: 2px 0 color-mix(in srgb, var(--magenta) 50%, transparent), -2px 0 color-mix(in srgb, var(--cyan) 50%, transparent);
}
.empty-text, .error-text { margin: 10px 0 0; color: var(--dim); overflow-wrap: anywhere; }
.error { border-color: color-mix(in srgb, var(--magenta) 50%, transparent); }
.error-title { color: var(--magenta); }
.error-text code { color: var(--yellow); }

.foot {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 24px;
  margin-top: 48px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  color: var(--dim);
  font-size: 12px;
  letter-spacing: .06em;
}

@media (max-width: 560px) {
  .wrap { padding-top: 28px; }
  .status { padding-top: 0; }
  .foot #hint, .key { display: none; }
}

@media (hover: none) {
  .key { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition-duration: 0s !important;
  }
  .card:hover, .card:focus-visible, .card.is-first { transform: none; }
}