/* ============================================================
   DIGITAL COMPASS: LOST WEB
   Terminal / CRT phosphor on near-black
   ============================================================ */

:root {
  /* Default: terminal */
  --bg: #050807;
  --bg-soft: #0a110d;
  --bg-panel: #07100b;
  --fg: #c9f7d6;
  --fg-dim: #5b8a6a;
  --fg-mute: #2e4a37;
  --accent: #00ff9c;
  --accent-soft: #00ff9c33;
  --warn: #ff6b3d;
  --line: #143421;
  --line-strong: #1f5733;
  --shadow-glow: 0 0 22px rgba(0, 255, 156, 0.18);
  --text-glow: 0 0 6px rgba(0, 255, 156, 0.45);

  --pixel: "VT323", monospace;
  --mono: "JetBrains Mono", ui-monospace, Menlo, Consolas, monospace;
  --sans: "Inter", system-ui, -apple-system, sans-serif;

  --container: 1240px;
  --pad-x: clamp(20px, 4vw, 56px);
}

[data-theme="parchment"] {
  --bg: #ece2c8;
  --bg-soft: #e2d6b6;
  --bg-panel: #e8dcc0;
  --fg: #2a1f12;
  --fg-dim: #6b5a3f;
  --fg-mute: #b6a47e;
  --accent: #7a1e0e;
  --accent-soft: #7a1e0e22;
  --warn: #7a1e0e;
  --line: #b8a684;
  --line-strong: #8a7855;
  --shadow-glow: 0 2px 0 rgba(0,0,0,0.05);
  --text-glow: none;
}

[data-theme="glitch"] {
  --bg: #050505;
  --bg-soft: #0c0c0c;
  --bg-panel: #0a0a0a;
  --fg: #f4f4f0;
  --fg-dim: #8a8a86;
  --fg-mute: #3a3a36;
  --accent: #ff2a3a;
  --accent-soft: #ff2a3a33;
  --warn: #ff2a3a;
  --line: #1f1f1f;
  --line-strong: #3a3a3a;
  --shadow-glow: 0 0 18px rgba(255, 42, 58, 0.22);
  --text-glow: 0 0 4px rgba(255, 42, 58, 0.5);
}

/* -------- base -------- */
* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--fg);
  font-size: 16px;
  line-height: 1.55;
  overflow-x: hidden;
  cursor: crosshair;
  -webkit-font-smoothing: antialiased;
  background-image:
    radial-gradient(ellipse at 50% -10%, rgba(0,255,156,0.08), transparent 60%),
    radial-gradient(ellipse at 100% 100%, rgba(0,255,156,0.04), transparent 50%);
}

[data-theme="parchment"] body {
  background-image:
    radial-gradient(ellipse at 50% 0%, rgba(122,30,14,0.04), transparent 60%),
    repeating-linear-gradient(0deg, rgba(0,0,0,0.015) 0 1px, transparent 1px 3px);
}

[data-theme="glitch"] body {
  background-image:
    radial-gradient(ellipse at 50% -10%, rgba(255,42,58,0.07), transparent 60%);
}

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

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

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--pad-x);
}

.muted { color: var(--fg-dim); }

/* -------- CRT overlay -------- */
.crt {
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 100;
}
.crt__scanlines {
  position: absolute; inset: 0;
  background: repeating-linear-gradient(
    to bottom,
    rgba(0,0,0,0.18) 0,
    rgba(0,0,0,0.18) 1px,
    transparent 1px,
    transparent 3px
  );
  mix-blend-mode: multiply;
  opacity: 0.55;
}
.crt__flicker {
  position: absolute; inset: 0;
  background: rgba(0, 255, 156, 0.015);
  animation: flicker 6s infinite;
}
.crt__vignette {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at center, transparent 55%, rgba(0,0,0,0.55) 100%);
}

[data-theme="parchment"] .crt__scanlines { opacity: 0.18; }
[data-theme="parchment"] .crt__flicker { display: none; }
[data-theme="parchment"] .crt__vignette { background: radial-gradient(ellipse at center, transparent 60%, rgba(101,75,30,0.18) 100%); }

[data-theme="glitch"] .crt__flicker { background: rgba(255, 42, 58, 0.012); }

@keyframes flicker {
  0%, 100% { opacity: 1; }
  3% { opacity: 0.7; }
  6% { opacity: 1; }
  47% { opacity: 1; }
  48% { opacity: 0.6; }
  49% { opacity: 1; }
  92% { opacity: 1; }
  93% { opacity: 0.85; }
  94% { opacity: 1; }
}

/* -------- cursor compass -------- */
.cursor-compass {
  position: fixed;
  top: 0; left: 0;
  width: 60px; height: 60px;
  pointer-events: none;
  color: var(--accent);
  z-index: 90;
  transform: translate(-50%, -50%);
  opacity: 0;
  transition: opacity 0.25s ease;
  filter: drop-shadow(0 0 4px var(--accent));
  mix-blend-mode: screen;
}
.cursor-compass.is-active { opacity: 0.65; }
.cursor-compass__needle {
  transform-origin: 30px 30px;
  transition: transform 0.25s cubic-bezier(.6,.05,.2,1);
}

[data-theme="parchment"] .cursor-compass { mix-blend-mode: multiply; filter: none; }

@media (max-width: 720px) {
  .cursor-compass { display: none; }
}

/* -------- header -------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(6px);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  border-bottom: 1px solid var(--line);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 64px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--fg);
}
.brand__icon {
  color: var(--accent);
  filter: drop-shadow(0 0 4px var(--accent-soft));
}
.brand__text { display: flex; flex-direction: column; line-height: 1; }
.brand__name {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--fg);
}
.brand__sub {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--fg-dim);
  margin-top: 3px;
  letter-spacing: 0.05em;
}

.nav { display: flex; gap: 28px; }
.nav__link {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--fg-dim);
  position: relative;
  padding: 4px 0;
  transition: color 0.2s;
}
.nav__link:hover { color: var(--accent); text-shadow: var(--text-glow); }
.nav__link::before {
  content: "[ ";
  opacity: 0;
  transition: opacity 0.2s;
}
.nav__link::after {
  content: " ]";
  opacity: 0;
  transition: opacity 0.2s;
}
.nav__link:hover::before, .nav__link:hover::after { opacity: 1; }

.status {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--fg-dim);
  letter-spacing: 0.06em;
}
.status__dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 6px var(--accent);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

@media (max-width: 820px) {
  .nav { display: none; }
}
@media (max-width: 540px) {
  .status { display: none; }
  .brand__sub { display: none; }
}

/* -------- hero -------- */
.hero {
  padding: clamp(48px, 8vw, 96px) 0 clamp(48px, 8vw, 96px);
  position: relative;
  border-bottom: 1px dashed var(--line);
}
.hero__grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
}
@media (max-width: 960px) {
  .hero__grid { grid-template-columns: 1fr; }
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--fg-dim);
  margin-bottom: 24px;
  padding: 5px 10px;
  border: 1px solid var(--line);
  background: var(--bg-soft);
}
.eyebrow__bracket { color: var(--accent); }
.eyebrow__blink {
  color: var(--accent);
  animation: blink 1.1s steps(2) infinite;
}
@keyframes blink {
  50% { opacity: 0; }
}

.hero__title {
  font-family: var(--pixel);
  font-weight: 400;
  font-size: clamp(48px, 8.5vw, 116px);
  line-height: 0.92;
  letter-spacing: 0.01em;
  color: var(--fg);
  text-shadow: var(--text-glow);
  margin-bottom: 32px;
}
.hero__title span { display: block; }
.hero__title--accent {
  color: var(--accent);
  text-shadow: 0 0 18px var(--accent-soft), var(--text-glow);
}

.hero__text {
  font-family: var(--sans);
  font-size: clamp(16px, 1.25vw, 18px);
  line-height: 1.65;
  color: var(--fg);
  max-width: 38ch;
  margin-bottom: 40px;
}

.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  max-width: 460px;
}
.meta-row {
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  padding: 9px 0;
  width: 100%;
  border-bottom: 1px dashed var(--line);
}
.meta-row:last-child { border-bottom: none; }
.meta-row__k { color: var(--fg-dim); }
.meta-row__v { color: var(--accent); text-shadow: var(--text-glow); }

/* -------- glitch effect -------- */
.glitch {
  position: relative;
  display: inline-block;
}
.glitch::before, .glitch::after {
  content: attr(data-text);
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  pointer-events: none;
  opacity: 0;
}
.glitch:hover::before {
  opacity: 0.8;
  color: var(--accent);
  transform: translate(-2px, 0);
  clip-path: inset(0 0 60% 0);
  mix-blend-mode: screen;
}
.glitch:hover::after {
  opacity: 0.8;
  color: var(--warn);
  transform: translate(2px, 0);
  clip-path: inset(60% 0 0 0);
  mix-blend-mode: screen;
}

[data-theme="glitch"] .glitch::before { content: attr(data-text); position: absolute; top: 0; left: 0; opacity: 0.5; color: var(--accent); transform: translate(-1px, 0); animation: glitch-x 3.5s infinite steps(1); }
[data-theme="glitch"] .glitch::after { content: attr(data-text); position: absolute; top: 0; left: 0; opacity: 0.4; color: cyan; transform: translate(1px, 0); animation: glitch-x 4.2s infinite reverse steps(1); }
@keyframes glitch-x {
  0%, 92%, 100% { transform: translate(0,0); clip-path: inset(0 0 0 0); }
  93% { transform: translate(-2px, 0); clip-path: inset(20% 0 60% 0); }
  95% { transform: translate(3px, 0); clip-path: inset(50% 0 30% 0); }
  97% { transform: translate(-1px, 0); clip-path: inset(70% 0 10% 0); }
}

/* -------- terminal / compass demo -------- */
.terminal {
  background: var(--bg-panel);
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow-glow), inset 0 0 30px rgba(0,255,156,0.04);
  font-family: var(--mono);
  position: relative;
  overflow: hidden;
}
[data-theme="parchment"] .terminal { box-shadow: 2px 2px 0 var(--line-strong); }

.terminal__bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  background: var(--bg-soft);
  border-bottom: 1px solid var(--line);
  font-size: 11px;
  letter-spacing: 0.05em;
}
.terminal__dot {
  width: 9px; height: 9px;
  border: 1px solid var(--fg-dim);
  border-radius: 50%;
}
.terminal__title {
  margin-left: 14px;
  color: var(--fg-dim);
}

.terminal__body {
  padding: 24px clamp(16px, 3vw, 28px);
}

.compass-demo {
  position: relative;
  display: grid;
  place-items: center;
  margin-bottom: 18px;
}

.compass-rose {
  width: min(86%, 320px);
  aspect-ratio: 1;
  color: var(--accent);
  filter: drop-shadow(0 0 8px var(--accent-soft));
}
[data-theme="parchment"] .compass-rose { filter: none; }

.rose-label {
  fill: var(--accent);
  font-family: var(--pixel);
  font-size: 14px;
  letter-spacing: 0.08em;
}

.dpad {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  grid-template-rows: 1fr 1fr 1fr;
  pointer-events: none;
  width: min(86%, 320px);
  aspect-ratio: 1;
  margin: auto;
}
.dir {
  pointer-events: auto;
  background: transparent;
  border: 1px solid transparent;
  color: var(--fg);
  cursor: pointer;
  font-family: var(--mono);
  font-size: 11px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 2px;
  transition: all 0.18s ease;
  position: relative;
}
.dir__arrow {
  font-size: 18px;
  color: var(--fg-mute);
  transition: color 0.2s;
}
.dir__label {
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--fg-mute);
  font-family: var(--pixel);
  font-size: 14px;
}
.dir:hover .dir__arrow,
.dir:hover .dir__label { color: var(--accent); text-shadow: var(--text-glow); }
.dir:hover {
  background: var(--accent-soft);
  border-color: var(--accent);
}
.dir:active, .dir.is-active {
  background: var(--accent);
  color: var(--bg);
}
.dir:active .dir__arrow, .dir:active .dir__label,
.dir.is-active .dir__arrow, .dir.is-active .dir__label { color: var(--bg); text-shadow: none; }

.dir--n { grid-column: 2; grid-row: 1; }
.dir--e { grid-column: 3; grid-row: 2; }
.dir--s { grid-column: 2; grid-row: 3; }
.dir--w { grid-column: 1; grid-row: 2; }

.readout {
  border-top: 1px dashed var(--line);
  padding-top: 14px;
  font-size: 12px;
  min-height: 60px;
}
.readout__line {
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.5;
  color: var(--fg);
  display: block;
}
.readout__prompt { color: var(--accent); margin-right: 6px; }

.readout__footer {
  margin-top: 14px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  font-size: 10px;
  font-family: var(--mono);
  letter-spacing: 0.08em;
  color: var(--fg-dim);
}
.readout__footer span span { color: var(--accent); }

/* -------- generic block -------- */
.block {
  padding: clamp(64px, 10vw, 128px) 0;
  border-bottom: 1px dashed var(--line);
  position: relative;
}
.block--alt { background: var(--bg-soft); }
.block--corrupt { background: var(--bg-soft); }

.block .container {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: clamp(20px, 4vw, 56px);
}
@media (max-width: 720px) {
  .block .container { grid-template-columns: 1fr; }
}

.block__index {
  font-family: var(--pixel);
  font-size: 56px;
  line-height: 1;
  color: var(--accent);
  text-shadow: var(--text-glow);
  position: sticky;
  top: 96px;
  align-self: start;
}

.block__head { margin-bottom: 32px; }
.block__kicker {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--fg-dim);
  margin-bottom: 18px;
  display: inline-block;
}
.block__kicker.corrupt { color: var(--warn); }

.block__title {
  font-family: var(--pixel);
  font-weight: 400;
  font-size: clamp(36px, 5.5vw, 72px);
  line-height: 0.95;
  color: var(--fg);
  text-shadow: var(--text-glow);
  text-wrap: balance;
  max-width: 22ch;
}

.block__body {
  font-size: clamp(17px, 1.4vw, 21px);
  line-height: 1.7;
  margin-bottom: 16px;
  max-width: 50ch;
}
.block__body--lg {
  font-family: var(--pixel);
  font-size: clamp(28px, 3.5vw, 44px);
  line-height: 1.2;
  letter-spacing: 0.01em;
}

.block__lead {
  font-family: var(--pixel);
  font-size: clamp(22px, 2.5vw, 32px);
  color: var(--accent);
  text-shadow: var(--text-glow);
  margin-bottom: 32px;
}

.block__mini {
  margin-top: 32px;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--fg-dim);
  border-left: 2px solid var(--line-strong);
  padding-left: 14px;
  line-height: 1.7;
}

.block__content--quiet { max-width: 700px; }

.ascii-art {
  margin-top: 36px;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.3;
  color: var(--fg-dim);
  opacity: 0.7;
  white-space: pre;
  overflow-x: auto;
}
.ascii-art pre { font-family: inherit; }

/* -------- gameplay directions -------- */
.dirs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin: 24px 0;
  max-width: 720px;
}
@media (max-width: 640px) { .dirs { grid-template-columns: repeat(2, 1fr); } }

.dirs__item {
  background: var(--bg);
  padding: 28px 20px;
  text-align: center;
  position: relative;
  transition: background 0.2s;
}
.dirs__item:hover { background: var(--bg-soft); }
.dirs__item:hover .dirs__sym { color: var(--accent); text-shadow: var(--text-glow); transform: scale(1.1); }

.dirs__sym {
  font-size: 40px;
  color: var(--fg);
  margin-bottom: 12px;
  font-family: var(--mono);
  transition: all 0.25s;
}
.dirs__name {
  font-family: var(--pixel);
  font-size: 22px;
  letter-spacing: 0.08em;
  color: var(--accent);
  text-shadow: var(--text-glow);
  margin-bottom: 4px;
}
.dirs__desc {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--fg-dim);
}

/* -------- twist / corrupt -------- */
.lies {
  list-style: none;
  margin: 24px 0 32px;
  font-family: var(--pixel);
  font-size: clamp(28px, 3.2vw, 40px);
  line-height: 1.4;
}
.lies li {
  padding: 4px 0;
  position: relative;
}
.lies__bullet { color: var(--warn); margin-right: 14px; }

.equation {
  margin-top: 32px;
  display: inline-flex;
  align-items: baseline;
  gap: 16px;
  font-family: var(--pixel);
  font-size: clamp(28px, 3.2vw, 44px);
  padding: 18px 28px;
  border: 1px solid var(--line-strong);
  background: var(--bg);
}
.equation__eq { color: var(--fg-dim); }
.equation__hi { color: var(--accent); text-shadow: var(--text-glow); }

/* -------- CTA -------- */
.cta {
  padding: clamp(80px, 12vw, 160px) 0 clamp(80px, 12vw, 160px);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at center, var(--accent-soft) 0%, transparent 50%);
  opacity: 0.4;
  pointer-events: none;
}

.cta__inner { position: relative; }
.cta__index {
  font-family: var(--pixel);
  font-size: 48px;
  color: var(--accent);
  text-shadow: var(--text-glow);
  margin-bottom: 16px;
}
.cta__title {
  font-family: var(--pixel);
  font-weight: 400;
  font-size: clamp(48px, 8vw, 104px);
  line-height: 1;
  color: var(--fg);
  text-shadow: var(--text-glow);
  margin-bottom: 18px;
  text-wrap: balance;
}
.cta__text {
  font-family: var(--mono);
  font-size: clamp(14px, 1.2vw, 17px);
  color: var(--fg-dim);
  margin-bottom: 56px;
  letter-spacing: 0.06em;
}

.cta__compass {
  width: clamp(220px, 30vw, 320px);
  aspect-ratio: 1;
  margin: 0 auto 56px;
  position: relative;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background:
    radial-gradient(circle at center, transparent 60%, var(--accent-soft) 62%, transparent 64%),
    radial-gradient(circle at center, transparent 78%, var(--line-strong) 79%, transparent 80%);
}
.cta__dir {
  position: absolute;
  background: var(--bg-panel);
  border: 1px solid var(--line-strong);
  color: var(--fg);
  font-family: var(--pixel);
  font-size: 22px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.2s;
  display: grid;
  place-items: center;
}
.cta__dir:hover {
  background: var(--accent);
  color: var(--bg);
  box-shadow: 0 0 24px var(--accent);
  transform: scale(1.1);
}
.cta__dir.is-active {
  background: var(--accent);
  color: var(--bg);
}
.cta__dir--n { top: -28px; left: 50%; transform: translateX(-50%); }
.cta__dir--n:hover { transform: translateX(-50%) scale(1.1); }
.cta__dir--s { bottom: -28px; left: 50%; transform: translateX(-50%); }
.cta__dir--s:hover { transform: translateX(-50%) scale(1.1); }
.cta__dir--e { right: -28px; top: 50%; transform: translateY(-50%); }
.cta__dir--e:hover { transform: translateY(-50%) scale(1.1); }
.cta__dir--w { left: -28px; top: 50%; transform: translateY(-50%); }
.cta__dir--w:hover { transform: translateY(-50%) scale(1.1); }

.cta__compass-core {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-family: var(--pixel);
  font-size: clamp(48px, 8vw, 88px);
  color: var(--accent);
  text-shadow: var(--text-glow);
  pointer-events: none;
  transition: transform 0.5s cubic-bezier(.6,.05,.2,1);
}

.cta__lines {
  font-family: var(--pixel);
  font-size: clamp(22px, 2.5vw, 32px);
  line-height: 1.5;
  color: var(--fg);
}

/* -------- footer -------- */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 28px 0;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--fg-dim);
}
.site-footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.site-footer__nav { display: flex; gap: 14px; }
.site-footer__nav a:hover { color: var(--accent); text-shadow: var(--text-glow); }
.site-footer__sep { color: var(--fg-mute); }

/* -------- tweaks panel -------- */
.tweaks {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 200;
  background: var(--bg-panel);
  border: 1px solid var(--line-strong);
  padding: 14px 16px;
  font-family: var(--mono);
  font-size: 12px;
  box-shadow: var(--shadow-glow);
  min-width: 200px;
  display: none;
}
.tweaks.is-visible { display: block; }
.tweaks__title {
  font-family: var(--pixel);
  font-size: 18px;
  color: var(--accent);
  margin-bottom: 12px;
  letter-spacing: 0.08em;
  display: flex; justify-content: space-between; align-items: center;
}
.tweaks__close {
  background: none; border: none; color: var(--fg-dim);
  font-family: var(--mono); font-size: 16px; cursor: pointer;
  line-height: 1;
}
.tweaks__close:hover { color: var(--accent); }

.tweaks__group { margin-bottom: 12px; }
.tweaks__label {
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--fg-dim);
  margin-bottom: 6px;
  display: block;
}
.tweaks__radios { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 4px; }
.tweaks__radio {
  background: var(--bg);
  border: 1px solid var(--line);
  color: var(--fg-dim);
  padding: 6px 8px;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 11px;
  text-align: center;
  letter-spacing: 0.05em;
  transition: all 0.15s;
}
.tweaks__radio:hover { color: var(--fg); border-color: var(--line-strong); }
.tweaks__radio.is-active {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
}