/* ==========================================================================
   rx5950xt.github.io
   The handle is a part number, so the identity column is set like a spec
   plate. The page is achromatic — the only hue comes from the languages
   actually written. Light comes from the pointer.
   ========================================================================== */

/* --- Tokens --------------------------------------------------------------- */

:root {
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI Variable Text", "Segoe UI",
    system-ui, "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", sans-serif;
  --font-mono: ui-monospace, "SF Mono", "JetBrains Mono", "Cascadia Code", Consolas,
    "PingFang TC", monospace;

  --radius: 18px;
  --radius-sm: 10px;
  --plate-w: 340px;

  /* Springs, borrowed from Apple's numbers: response 0.4 critically damped. */
  --ease: cubic-bezier(0.32, 0.72, 0, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --dur: 0.4s;
}

:root[data-theme="dark"] {
  --void: #08080b;
  /* Base wash so the page isn't a flat black slab (mirrors light's soft fields).
     Cool slate + muted teal only — no indigo/violet. */
  --bg:
    radial-gradient(120% 85% at 8% -5%, rgba(62, 82, 105, 0.42) 0%, transparent 58%),
    radial-gradient(95% 75% at 96% 105%, rgba(42, 78, 82, 0.34) 0%, transparent 55%),
    radial-gradient(70% 55% at 55% 40%, rgba(28, 32, 42, 0.55) 0%, transparent 72%),
    linear-gradient(168deg, #0a0c12 0%, #08080b 48%, #090b10 100%);
  --text: #f5f5f7;
  /* Secondary / meta sit on frosted glass — keep brighter than solid-bg greys. */
  --text-2: #c5c5cd;
  --text-3: #9a9aa4;

  /* Frosted glass: enough fill to read as material, low enough to show blur. */
  --surface: rgba(255, 255, 255, 0.1);
  --surface-hi: rgba(255, 255, 255, 0.16);
  --surface-solid: #101015; /* fallback only when transparency is fully off */
  --stroke: rgba(255, 255, 255, 0.16);
  --stroke-hi: rgba(255, 255, 255, 0.32);
  --hairline: rgba(255, 255, 255, 0.12);

  /* Bright top edge + soft rim, like light catching real glass. */
  --edge: rgba(255, 255, 255, 0.38);
  --edge-soft: rgba(255, 255, 255, 0.1);
  --sheen: rgba(255, 255, 255, 0.18);
  --glass-blur: 40px;
  --glass-sat: 180%;
  --glass-shine: linear-gradient(
    155deg,
    rgba(255, 255, 255, 0.22) 0%,
    rgba(255, 255, 255, 0.06) 36%,
    rgba(255, 255, 255, 0) 66%
  );
  --glass-shadow:
    inset 0 1px 0 0 rgba(255, 255, 255, 0.28),
    inset 0 -1px 0 0 rgba(0, 0, 0, 0.4),
    inset 0 0 0 1px rgba(255, 255, 255, 0.06),
    0 1px 2px rgba(0, 0, 0, 0.45),
    0 18px 48px -16px rgba(0, 0, 0, 0.72);

  /* Drifting fields — stronger, so glass has something to frost through. */
  --light-a: rgba(155, 180, 205, 0.28);
  --light-b: rgba(95, 155, 150, 0.2);
  /* Pointer lamp — same recipe as light (cool slate core → mid wash). */
  --light-pointer: rgba(235, 242, 250, 0.26);
  --light-pointer-mid: rgba(160, 185, 200, 0.14);
  --pointer-blend: screen;

  --cursor: #fff8f0;
  --trail: 255, 248, 240;
  --trail-alpha: 0.5;

  /* Selection: frosted wash, not browser blue. */
  --sel-bg: rgba(255, 255, 255, 0.18);
  --sel-fg: #f5f5f7;

  /* Scrollbars — soft glass thumb on void (page + sticky plate). */
  --scroll-thumb: rgba(255, 255, 255, 0.2);
  --scroll-thumb-hover: rgba(255, 255, 255, 0.36);
  --scroll-track: rgba(255, 255, 255, 0.04);

  /* Clickable controls — rest is readable as action; hover is louder. */
  --action-bg: rgba(255, 255, 255, 0.14);
  --action-bg-hover: rgba(255, 255, 255, 0.26);
  --action-stroke: rgba(255, 255, 255, 0.26);
  --action-stroke-hover: rgba(255, 255, 255, 0.52);
  --action-shadow: 0 1px 0 0 rgba(255, 255, 255, 0.08);
  --action-shadow-hover:
    0 0 0 1px rgba(255, 255, 255, 0.1),
    0 8px 22px -10px rgba(0, 0, 0, 0.55);
}

:root[data-theme="light"] {
  --void: #f5f5f7;
  --bg: none; /* light 的層次交給 .field ambient，不動你喜歡的感覺 */
  --text: #1d1d1f;
  --text-2: #6e6e73;
  --text-3: #8e8e93;

  /* Slightly more open so ambient blur reads through the frost. */
  --surface: rgba(255, 255, 255, 0.42);
  --surface-hi: rgba(255, 255, 255, 0.68);
  --surface-solid: #ffffff;
  --stroke: rgba(0, 0, 0, 0.08);
  --stroke-hi: rgba(0, 0, 0, 0.18);
  --hairline: rgba(0, 0, 0, 0.09);

  --edge: rgba(255, 255, 255, 0.95);
  --edge-soft: rgba(255, 255, 255, 0.5);
  --sheen: rgba(255, 255, 255, 0.5);
  --glass-blur: 36px;
  --glass-sat: 170%;
  --glass-shine: linear-gradient(
    155deg,
    rgba(255, 255, 255, 0.78) 0%,
    rgba(255, 255, 255, 0.28) 40%,
    rgba(255, 255, 255, 0.06) 72%
  );
  --glass-shadow:
    inset 0 1px 0 0 rgba(255, 255, 255, 0.92),
    inset 0 -1px 0 0 rgba(0, 0, 0, 0.04),
    inset 0 0 0 1px rgba(255, 255, 255, 0.4),
    0 1px 2px rgba(0, 0, 0, 0.04),
    0 16px 40px -14px rgba(0, 0, 0, 0.16);

  /* Soft cool fields — kept (user likes light mode as-is). */
  --light-a: rgba(120, 140, 255, 0.28);
  --light-b: rgba(80, 190, 210, 0.22);
  /* Same hue family as dark (160,185,200); only lift strength for the bright void.
     soft-light ≈ screen's "soft lamp" feel when the page is already light. */
  --light-pointer: rgba(255, 255, 255, 0.72);
  --light-pointer-mid: rgba(160, 185, 200, 0.42);
  --pointer-blend: soft-light;

  --sel-bg: rgba(29, 29, 31, 0.14);
  --sel-fg: #1d1d1f;

  --cursor: #1d1d1f;
  --trail: 40, 44, 70;
  --trail-alpha: 0.35;

  /* Scrollbars — soft graphite on light void. */
  --scroll-thumb: rgba(29, 29, 31, 0.22);
  --scroll-thumb-hover: rgba(29, 29, 31, 0.4);
  --scroll-track: rgba(29, 29, 31, 0.05);

  /* Clickable controls — rest is readable as action; hover is louder. */
  --action-bg: rgba(255, 255, 255, 0.78);
  --action-bg-hover: rgba(255, 255, 255, 0.98);
  --action-stroke: rgba(0, 0, 0, 0.14);
  --action-stroke-hover: rgba(0, 0, 0, 0.32);
  --action-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
  --action-shadow-hover:
    0 0 0 1px rgba(0, 0, 0, 0.04),
    0 8px 20px -8px rgba(0, 0, 0, 0.18);
}

/* --- Base ----------------------------------------------------------------- */

*,
*::before,
*::after {
  box-sizing: border-box;
}

::selection {
  background-color: var(--sel-bg);
  color: var(--sel-fg);
}

::-moz-selection {
  background-color: var(--sel-bg);
  color: var(--sel-fg);
}

html {
  -webkit-text-size-adjust: 100%;
  /* Firefox: page scrollbar */
  scrollbar-width: thin;
  scrollbar-color: var(--scroll-thumb) var(--scroll-track);
}

body {
  margin: 0;
  min-height: 100svh;
  background-color: var(--void);
  background-image: var(--bg, none);
  background-attachment: fixed;
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  transition: background-color 0.5s var(--ease), color 0.5s var(--ease);
}

/* Chromium / Safari: thin glass-style scrollbars (page + any overflow box). */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--scroll-thumb) var(--scroll-track);
}

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--scroll-track);
  border-radius: 999px;
}

::-webkit-scrollbar-thumb {
  background-color: var(--scroll-thumb);
  border-radius: 999px;
  border: 2px solid transparent;
  background-clip: padding-box;
}

::-webkit-scrollbar-thumb:hover {
  background-color: var(--scroll-thumb-hover);
  border: 2px solid transparent;
  background-clip: padding-box;
}

::-webkit-scrollbar-corner {
  background: transparent;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  padding: 0;
}

img {
  max-width: 100%;
  display: block;
}

:focus-visible {
  outline: 2px solid var(--text);
  outline-offset: 3px;
  border-radius: 4px;
}

/* The label face. Mono is reserved for machine-readable things:
   identifiers, times, versions, language names. */
.label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-3);
}

/* --- Ambient light -------------------------------------------------------- */

.ambient {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
  contain: strict;
}

/* Soft radial fills — no live `filter: blur()`. CSS blur on huge layers
   forces every glass surface (backdrop-filter) to re-sample every frame;
   Edge is much harsher about that cost than Chrome. */
.field {
  position: absolute;
  display: block;
  border-radius: 50%;
  will-change: transform;
}

.field-a {
  top: -18vh;
  left: -10vw;
  width: 62vw;
  height: 62vw;
  min-width: 480px;
  min-height: 480px;
  background: radial-gradient(circle at 50% 50%, var(--light-a) 0%, transparent 70%);
  animation: drift-a 34s var(--ease) infinite alternate;
}

.field-b {
  bottom: -24vh;
  right: -12vw;
  width: 54vw;
  height: 54vw;
  min-width: 420px;
  min-height: 420px;
  background: radial-gradient(circle at 50% 50%, var(--light-b) 0%, transparent 70%);
  animation: drift-b 44s var(--ease) infinite alternate;
}

/* Dark: slightly larger soft pools so the wash feels continuous, like light mode. */
:root[data-theme="dark"] .field-a {
  width: 70vw;
  height: 70vw;
  min-width: 520px;
  min-height: 520px;
}

:root[data-theme="dark"] .field-b {
  width: 62vw;
  height: 62vw;
  min-width: 460px;
  min-height: 460px;
}

/* The signature: the pointer is the page's light source.
   One shape for both themes — only --light-pointer* and --pointer-blend change. */
.field-pointer {
  top: 0;
  left: 0;
  width: 760px;
  height: 760px;
  margin: -380px 0 0 -380px;
  background: radial-gradient(
    circle at 50% 50%,
    var(--light-pointer) 0%,
    var(--light-pointer-mid) 36%,
    transparent 70%
  );
  opacity: 0;
  transition: opacity 0.55s var(--ease);
  transform: translate3d(-999px, -999px, 0);
  will-change: transform;
  contain: strict;
  mix-blend-mode: var(--pointer-blend, screen);
}

.field-pointer.lit {
  opacity: 1;
}

@keyframes drift-a {
  to {
    transform: translate3d(9vw, 7vh, 0) scale(1.14);
  }
}

@keyframes drift-b {
  to {
    transform: translate3d(-8vw, -6vh, 0) scale(1.1);
  }
}

/* --- Pointer -------------------------------------------------------------- */

.trail,
.cursor,
.cursor-ring {
  display: none;
}

.trail {
  position: fixed;
  inset: 0;
  z-index: 90;
  pointer-events: none;
}

.cursor,
.cursor-ring {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 100;
  pointer-events: none;
  border-radius: 50%;
  will-change: transform;
  opacity: 0; /* nothing to point at until the pointer actually moves */
}

html.pointing .cursor {
  opacity: 1;
}

html.pointing .cursor-ring {
  opacity: 0.35;
}

.cursor {
  width: 6px;
  height: 6px;
  margin: -3px 0 0 -3px;
  background: var(--cursor);
}

.cursor-ring {
  width: 30px;
  height: 30px;
  margin: -15px 0 0 -15px;
  border: 1px solid var(--cursor);
  transition: width 0.3s var(--ease-out), height 0.3s var(--ease-out),
    margin 0.3s var(--ease-out), opacity 0.3s var(--ease-out);
}

/* Pointer-driven, so it can only exist where there is a real pointer. */
@media (pointer: fine) {
  /* Avoid `* { cursor: none }` — universal selector thrash on every hit-test. */
  html.pointer-fine,
  html.pointer-fine body {
    cursor: none;
  }

  html.pointer-fine a,
  html.pointer-fine button,
  html.pointer-fine [role="button"] {
    cursor: none;
  }

  html.pointer-fine .trail,
  html.pointer-fine .cursor,
  html.pointer-fine .cursor-ring {
    display: block;
  }

  html.pointing .cursor-ring.near {
    width: 46px;
    height: 46px;
    margin: -23px 0 0 -23px;
    opacity: 0.6;
  }
}

/* --- Site chrome (theme + lang icon FABs, bottom-right — all viewports) --- */

.chrome {
  position: fixed;
  top: auto;
  right: max(14px, env(safe-area-inset-right, 0px));
  bottom: max(14px, env(safe-area-inset-bottom, 0px));
  left: auto;
  z-index: 50;
  max-width: none;
}

.chrome-panel {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 6px;
  padding: 6px;
  border: 1px solid var(--stroke);
  border-radius: 999px;
  background: var(--surface);
  background-image: var(--glass-shine);
  box-shadow:
    inset 0 1px 0 0 var(--edge-soft),
    0 1px 2px rgba(0, 0, 0, 0.1),
    0 10px 24px -10px rgba(0, 0, 0, 0.4);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  backdrop-filter: blur(20px) saturate(140%);
}

.chrome-controls {
  display: flex;
  flex-wrap: nowrap;
  gap: 6px;
}

.chrome-controls .chip {
  position: relative;
  width: 40px;
  height: 40px;
  min-height: 40px;
  padding: 0;
  justify-content: center;
  gap: 0;
  border-radius: 50%;
  background: var(--surface-hi);
  box-shadow: inset 0 1px 0 0 var(--edge-soft);
}

/* Icon-only; labels stay for a11y via aria-label + .chip-text for paintControls. */
.chrome-controls .chip-text {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.chrome-controls .chip-glyph {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  line-height: 1;
}

.chrome-controls .chip-glyph svg {
  width: 18px;
  height: 18px;
  display: block;
}

.chrome-controls .chip-lang {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  width: auto;
  height: auto;
}

/* --- Layout --------------------------------------------------------------- */

.shell {
  position: relative;
  z-index: 1;
  max-width: 1240px;
  margin: 0 auto;
  /* Bottom room for icon chrome FABs. */
  padding: 28px 24px 96px;
}

@media (min-width: 960px) {
  .shell {
    display: grid;
    grid-template-columns: var(--plate-w) minmax(0, 1fr);
    gap: 72px;
    align-items: start;
    padding: 48px 40px 120px;
  }

  .plate {
    position: sticky;
    top: 40px;
    /* Tall plate (tools block) still fits short viewports. */
    max-height: calc(100vh - 80px);
    max-height: calc(100dvh - 80px);
    overflow-y: auto;
    overscroll-behavior: contain;
    /* Same tokens as page; slightly slimmer gutter beside the plate. */
    scrollbar-width: thin;
    scrollbar-color: var(--scroll-thumb) transparent;
  }

  .plate::-webkit-scrollbar {
    width: 8px;
  }

  .plate::-webkit-scrollbar-track {
    background: transparent;
  }

  .plate::-webkit-scrollbar-thumb {
    background-color: var(--scroll-thumb);
    border-radius: 999px;
    border: 2px solid transparent;
    background-clip: padding-box;
  }

  .plate::-webkit-scrollbar-thumb:hover {
    background-color: var(--scroll-thumb-hover);
    border: 2px solid transparent;
    background-clip: padding-box;
  }
}

/* Mid-width: less side gap so plate + cards both breathe. */
@media (min-width: 960px) and (max-width: 1100px) {
  .shell {
    gap: 40px;
    padding-left: 28px;
    padding-right: 28px;
  }
}

/* Narrow phones: denser plate + tools. */
@media (max-width: 420px) {
  .plate-inner {
    padding: 24px 16px;
  }

  .links {
    gap: 5px;
  }

  .links .link {
    padding: 7px 4px;
    font-size: 0.625rem;
    gap: 4px;
  }

  .links .link-ico {
    width: 12px;
    height: 12px;
  }

  .tools-chats {
    gap: 4px;
  }

  .tools-link {
    padding: 5px 2px;
    font-size: 0.5625rem;
  }

  .tools-cmd {
    font-size: 0.5625rem;
  }

  .copy-label {
    /* Icon-only on the tightest screens; aria-label still names the action. */
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }

  .copy-btn {
    position: relative;
    padding: 5px 7px;
  }
}

/* --- Glass ---------------------------------------------------------------- */

/* One material: plate, project cards, model cards.
   Layers (back → front): backdrop blur · translucent fill · top-left shine · rim light.
   Do NOT use contain:paint here — it can clip backdrop sampling and kill the frost. */
.plate-inner,
.card {
  position: relative;
  background-color: var(--surface);
  background-image: var(--glass-shine);
  border: 1px solid var(--stroke);
  border-radius: var(--radius);
  box-shadow: var(--glass-shadow);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-sat));
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-sat));
  overflow: hidden;
  isolation: isolate;
  /* Promote once so the browser keeps a stable glass layer. */
  transform: translateZ(0);
}

/* Off-screen project/model cards skip paint work until needed. */
.card {
  content-visibility: auto;
  contain-intrinsic-size: auto 220px;
}

/* Keep text/controls above the glass shine layers. */
.plate-inner > *,
.card > * {
  position: relative;
  z-index: 1;
}

/* Bright top rim — the thin highlight a real pane catches. */
.plate-inner::after,
.card::after {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent 4%,
    var(--edge) 22%,
    var(--edge) 78%,
    transparent 96%
  );
  pointer-events: none;
  z-index: 2;
}

/* Soft secondary rim down the left edge (plate only — the hero glass). */
.plate-inner::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 1px;
  background: linear-gradient(
    180deg,
    var(--edge) 0%,
    var(--edge-soft) 45%,
    transparent 100%
  );
  pointer-events: none;
  z-index: 2;
}

/* Pointer-driven specular on cards — layered on top of the static shine. */
.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(
      320px circle at var(--sx, 50%) var(--sy, 0%),
      var(--sheen),
      transparent 68%
    );
  opacity: 0;
  transition: opacity var(--dur) var(--ease);
  pointer-events: none;
  z-index: 0;
}

.card:hover::before,
.card:focus-within::before {
  opacity: 1;
}

/* --- The plate ------------------------------------------------------------ */

.plate-inner {
  padding: 28px 24px;
}

/* Avatar top-left · local time top-right of the plate (not tight beside). */
.plate-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  min-width: 0;
}

.avatar {
  flex: 0 0 auto;
  width: 88px;
  height: 88px;
  border-radius: 50%;
  border: 1px solid var(--stroke);
  background: var(--surface-hi);
}

.plate-clock {
  flex: 0 1 auto;
  min-width: 0;
  max-width: min(11.5rem, calc(100% - 100px));
  text-align: right;
  /* Mirror the avatar block: sit in the opposite corner of the head row. */
  padding-top: 2px;
}

.plate-clock .label {
  display: block;
  margin: 0 0 4px;
}

.plate-clock .date {
  display: block;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 400;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
  color: var(--text-2);
  line-height: 1.3;
}

.plate-clock .clock {
  display: block;
  margin: 2px 0 0;
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 300;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.01em;
  line-height: 1.15;
  color: var(--text);
}

.plate-clock .zone {
  display: block;
  margin-top: 2px;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  color: var(--text-3);
  line-height: 1.35;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.handle {
  margin: 22px 0 0;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: 0.02em; /* a part number wants air between characters */
  line-height: 1.2;
}

.tagline {
  margin: 10px 0 0;
  font-size: 0.9375rem;
  font-weight: 500;
  line-height: 1.45;
  letter-spacing: -0.01em;
  color: var(--text);
}

.bio {
  margin: 14px 0 0;
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--text-2);
}

.bio a {
  color: var(--text);
  border-bottom: 1.5px solid var(--action-stroke);
  transition:
    border-color var(--dur) var(--ease),
    background-color var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease);
  border-radius: 2px;
}

.bio a:hover,
.bio a:focus-visible {
  border-bottom-color: var(--text);
  background: color-mix(in srgb, var(--action-bg-hover) 55%, transparent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--action-bg-hover) 55%, transparent);
}

/* Profile links: fixed 2×2 — TL GitHub · TR HF · BL X · BR Discord */
.links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  margin-top: 22px;
}

.links .link {
  width: 100%;
  min-width: 0;
  justify-content: center;
  box-sizing: border-box;
  padding: 8px 6px;
  font-size: 0.6875rem;
  letter-spacing: -0.02em;
  gap: 5px;
}

.links .link-ico {
  width: 13px;
  height: 13px;
}

.links .link-label {
  min-width: 0;
  white-space: nowrap;
}

/* --- Rig (machine specs on the plate) ------------------------------------- */

.rig {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--hairline);
}

.rig-title {
  margin: 0 0 10px;
  font-size: inherit;
  font-weight: inherit;
}

.rig-list {
  margin: 0;
  padding: 6px 10px;
  border: 1px solid var(--stroke);
  border-radius: var(--radius-sm);
  background: var(--surface-hi);
  box-shadow: inset 0 1px 0 0 var(--edge-soft);
}

.rig-row {
  display: grid;
  grid-template-columns: 2.75rem 1fr;
  gap: 8px;
  align-items: baseline;
  padding: 5px 0;
}

.rig-row + .rig-row {
  border-top: 1px solid var(--hairline);
}

.rig-key {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-3);
}

.rig-val {
  margin: 0;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--text);
  line-height: 1.4;
  min-width: 0;
  overflow-wrap: anywhere;
}

.rig-wish {
  margin: 10px 0 0;
  font-size: 0.75rem;
  line-height: 1.55;
  color: var(--text-2);
  font-style: italic;
}

.link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 14px;
  border: 1px solid var(--action-stroke);
  border-radius: 999px;
  background: var(--action-bg);
  color: var(--text);
  box-shadow:
    inset 0 1px 0 0 var(--edge-soft),
    var(--action-shadow);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  backdrop-filter: blur(16px) saturate(140%);
  font-size: 0.8125rem;
  font-weight: 500;
  transition:
    transform 0.15s var(--ease-out),
    border-color var(--dur) var(--ease),
    background-color var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease),
    color var(--dur) var(--ease);
}

.link-ico {
  width: 15px;
  height: 15px;
  flex: 0 0 auto;
  color: var(--text);
  opacity: 0.78;
  transition: color var(--dur) var(--ease), opacity var(--dur) var(--ease);
}

.link:hover .link-ico,
.link:focus-visible .link-ico,
.ctx-item:hover .link-ico,
.ctx-item:focus-visible .link-ico,
.card-link:hover .link-ico,
.card-link:focus-visible .link-ico {
  color: var(--text);
  opacity: 1;
}

.ctx-item .link-ico {
  width: 16px;
  height: 16px;
}

.card-link .link-ico {
  width: 13px;
  height: 13px;
}

.link:hover,
.link:focus-visible {
  border-color: var(--action-stroke-hover);
  background: var(--action-bg-hover);
  box-shadow:
    inset 0 1px 0 0 var(--edge-soft),
    var(--action-shadow-hover);
  transform: translateY(-2px);
  outline: none;
}

.link:active {
  transform: scale(0.97);
  transition-duration: 0.1s;
}

.arrow {
  color: var(--text-2);
  transition: transform 0.25s var(--ease-out), color var(--dur) var(--ease);
}

.link:hover .arrow,
.row:hover .arrow,
.card-link:hover .arrow {
  transform: translate(2px, -2px);
  color: var(--text);
}

/* --- Tools (left plate bottom) -------------------------------------------- */

.tools {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--hairline);
}

.tools-title {
  margin: 0 0 10px;
  font-size: inherit;
  font-weight: inherit;
}

.tools-block + .tools-block {
  margin-top: 12px;
}

.tools-sub {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-3);
}

/* Four chat targets on one row — equal columns, no wrap. */
.tools-chats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 5px;
}

.tools-link {
  width: 100%;
  min-width: 0;
  justify-content: center;
  box-sizing: border-box;
  padding: 6px 4px;
  font-size: 0.625rem;
  letter-spacing: -0.02em;
  gap: 2px;
}

.tools-link .link-label {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tools-link .arrow {
  flex: 0 0 auto;
  font-size: 0.625rem;
}

/* One terminal stack for all four installers — less card clutter. */
.tools-installs {
  list-style: none;
  margin: 0;
  padding: 4px 0;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--stroke);
  border-radius: var(--radius-sm);
  background: var(--surface-hi);
  box-shadow: inset 0 1px 0 0 var(--edge-soft);
  overflow: hidden;
}

.tools-row {
  padding: 8px 10px;
  min-width: 0;
}

.tools-row + .tools-row {
  border-top: 1px solid var(--hairline);
}

.tools-row-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  min-width: 0;
}

.tools-name {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text);
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tools-cmd {
  display: block;
  margin-top: 3px;
  padding: 0;
  border: 0;
  background: none;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  line-height: 1.4;
  letter-spacing: -0.015em;
  color: var(--text-3);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 100%;
  cursor: text;
  user-select: all;
}

.copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  flex: 0 0 auto;
  padding: 4px 8px;
  border: 1px solid var(--action-stroke);
  border-radius: 999px;
  background: var(--action-bg);
  box-shadow:
    inset 0 1px 0 0 var(--edge-soft),
    var(--action-shadow);
  color: var(--text);
  font-family: inherit;
  font-size: 0.625rem;
  font-weight: 500;
  line-height: 1;
  transition:
    border-color var(--dur) var(--ease),
    background-color var(--dur) var(--ease),
    color var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease),
    transform 0.12s var(--ease-out);
}

.copy-btn:hover,
.copy-btn:focus-visible {
  border-color: var(--action-stroke-hover);
  background: var(--action-bg-hover);
  box-shadow:
    inset 0 1px 0 0 var(--edge-soft),
    var(--action-shadow-hover);
  color: var(--text);
  outline: none;
  transform: translateY(-1px);
}

.copy-btn:active {
  transform: scale(0.96);
}

.copy-btn.is-copied {
  border-color: var(--action-stroke-hover);
  color: var(--text);
  background: var(--action-bg-hover);
}

.copy-ico {
  width: 12px;
  height: 12px;
  flex: 0 0 auto;
}

.copy-label {
  /* Keep width stable between Copy / Copied in EN & 複製 / 已複製 in ZH. */
  min-width: 2.5em;
  text-align: center;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 13px;
  border: 1px solid var(--action-stroke);
  border-radius: 999px;
  background: var(--action-bg);
  box-shadow:
    inset 0 1px 0 0 var(--edge-soft),
    var(--action-shadow);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text);
  transition:
    transform 0.15s var(--ease-out),
    color var(--dur) var(--ease),
    border-color var(--dur) var(--ease),
    background-color var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease);
}

.chip:hover,
.chip:focus-visible {
  color: var(--text);
  border-color: var(--action-stroke-hover);
  background: var(--action-bg-hover);
  box-shadow:
    inset 0 1px 0 0 var(--edge-soft),
    var(--action-shadow-hover);
  transform: translateY(-1px);
  outline: none;
}

.chip:active {
  transform: scale(0.96);
  transition-duration: 0.1s;
}

/* --- Sections ------------------------------------------------------------- */

.section + .section {
  margin-top: 72px;
}

/* A rule that reaches across the column, not a decorative divider. */
.section-title {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 0 0 24px;
  font-size: inherit;
  font-weight: inherit;
}

.section-title::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--hairline);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}

/* --- Project cards -------------------------------------------------------- */

.card {
  display: flex;
  flex-direction: column;
  padding: 24px;
}

.card-head {
  display: flex;
  align-items: baseline;
  gap: 9px;
}

/* Colour on this page comes only from the languages actually written. */
.dot {
  flex: none;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--lang, var(--text-3));
  transform: translateY(-1px);
  box-shadow: 0 0 0 0 var(--lang);
  transition: box-shadow var(--dur) var(--ease);
}

.card:hover .dot {
  box-shadow: 0 0 12px 0 var(--lang);
}

.card-name {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.35;
}

.card-desc {
  margin: 10px 0 0;
  font-size: 0.8125rem;
  line-height: 1.65;
  color: var(--text-2);
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.tag {
  padding: 3px 8px;
  border: 1px solid var(--stroke);
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-3);
}

.card-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
  padding-top: 20px;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 10px;
  border: 1px solid var(--action-stroke);
  border-radius: 999px;
  background: var(--action-bg);
  box-shadow:
    inset 0 1px 0 0 var(--edge-soft),
    var(--action-shadow);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text);
  transition:
    color var(--dur) var(--ease),
    border-color var(--dur) var(--ease),
    background-color var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease),
    transform 0.15s var(--ease-out);
}

.card-link:hover,
.card-link:focus-visible {
  color: var(--text);
  border-color: var(--action-stroke-hover);
  background: var(--action-bg-hover);
  box-shadow:
    inset 0 1px 0 0 var(--edge-soft),
    var(--action-shadow-hover);
  transform: translateY(-1px);
  outline: none;
}

.card-link:active {
  transform: scale(0.97);
  transition-duration: 0.1s;
}

/* --- The compact list ----------------------------------------------------- */

.list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--hairline);
}

.row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px 8px;
  margin: 0 -4px;
  border-bottom: 1px solid var(--hairline);
  border-radius: 8px;
  transition:
    background-color 0.25s var(--ease),
    padding-left 0.25s var(--ease-out),
    box-shadow 0.25s var(--ease),
    border-color 0.25s var(--ease);
}

.row:hover,
.row:focus-visible {
  background: var(--action-bg-hover);
  padding-left: 14px;
  box-shadow: inset 0 0 0 1px var(--action-stroke);
  outline: none;
}

.row-name {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 500;
}

.row-desc {
  flex: 1;
  min-width: 0;
  font-size: 0.8125rem;
  color: var(--text-3);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.row-lang {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-3);
}

.foot {
  margin-top: 72px;
  font-size: 0.75rem;
  color: var(--text-3);
}

@media (max-width: 559px) {
  .row {
    flex-wrap: wrap;
  }

  .row-desc {
    flex-basis: 100%;
    white-space: normal;
  }
}

/* --- Entrance ------------------------------------------------------------- */

.reveal {
  opacity: 0;
  transform: translateY(12px);
}

.reveal.in {
  opacity: 1;
  transform: none;
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
  transition-delay: calc(var(--i, 0) * 55ms);
}

/* --- Context menu --------------------------------------------------------- */

.ctx {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 300;
  min-width: 220px;
  max-width: min(280px, calc(100vw - 20px));
  padding: 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--stroke);
  background-color: var(--surface);
  background-image: var(--glass-shine);
  box-shadow: var(--glass-shadow);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-sat));
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-sat));
  transform: translate3d(-9999px, -9999px, 0);
  transform-origin: top left;
  animation: ctx-in 0.18s var(--ease-out);
  /* Sit above the custom cursor chrome. */
  isolation: isolate;
}

.ctx[hidden] {
  display: none;
}

@keyframes ctx-in {
  from {
    opacity: 0;
    scale: 0.96;
  }
  to {
    opacity: 1;
    scale: 1;
  }
}

.ctx-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 10px 10px;
  border-bottom: 1px solid var(--hairline);
  margin-bottom: 6px;
}

.ctx-handle {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-3);
}

.ctx-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.ctx-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 10px;
  border-radius: 8px;
  border: 1px solid transparent;
  color: var(--text);
  font-size: 0.875rem;
  line-height: 1.2;
  transition:
    background-color 0.15s var(--ease),
    color 0.15s var(--ease),
    border-color 0.15s var(--ease),
    box-shadow 0.15s var(--ease);
}

.ctx-item:hover,
.ctx-item:focus-visible {
  background: var(--action-bg-hover);
  border-color: var(--action-stroke);
  box-shadow: var(--action-shadow);
  outline: none;
}

.ctx-item:active {
  transform: scale(0.98);
}

.ctx-item-main {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.ctx-item-label {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ctx-item-go {
  font-size: 0.75rem;
  color: var(--text-3);
  transition: transform 0.2s var(--ease-out), color 0.15s var(--ease);
}

.ctx-item:hover .ctx-item-go,
.ctx-item:focus-visible .ctx-item-go {
  color: var(--text);
  transform: translate(1px, -1px);
}

/* While the menu is open, restore a real cursor (page uses custom cursor). */
html.ctx-open,
html.ctx-open body {
  cursor: auto !important;
}

html.ctx-open .ctx,
html.ctx-open .ctx * {
  cursor: pointer;
}

html.ctx-open .cursor,
html.ctx-open .cursor-ring,
html.ctx-open .trail {
  opacity: 0 !important;
  visibility: hidden;
}

/* --- Preferences ---------------------------------------------------------- */

/* Respect a11y: drop heavy blur, but keep a translucent frost — fully opaque
   panels made the site look "not glass" for anyone with Windows transparency off. */
@media (prefers-reduced-transparency: reduce) {
  .plate-inner,
  .card,
  .ctx,
  .chrome-panel {
    -webkit-backdrop-filter: blur(12px) saturate(120%);
    backdrop-filter: blur(12px) saturate(120%);
    background-color: color-mix(in srgb, var(--surface-solid) 78%, transparent);
    background-image: var(--glass-shine);
    box-shadow:
      inset 0 1px 0 0 var(--edge-soft),
      0 1px 2px rgba(0, 0, 0, 0.2),
      0 12px 32px -14px rgba(0, 0, 0, 0.35);
  }

  .link,
  .chip,
  .copy-btn,
  .card-link,
  .row:hover {
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
    background: color-mix(in srgb, var(--surface-solid) 82%, transparent);
  }
}

@media (prefers-contrast: more) {
  :root {
    --stroke: var(--stroke-hi);
    --text-2: var(--text);
  }
}

/* Reduced motion keeps the cursor (it is feedback) but drops the trail,
   the drifting fields and every translation. */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  .reveal.in {
    transition: opacity 0.2s linear;
  }

  html.pointer-fine .trail {
    display: none;
  }

  .field-pointer {
    display: none;
  }

  .ctx {
    animation: none;
  }
}