:root {
  --ink: #050607;
  --panel: #0a0c0e;
  --panel-2: #0e1114;
  --paper: #f0eee8;
  --muted: #777b80;
  --line: rgb(255 255 255 / 10%);
  --acid: #dfff00;
  --violet: #7657ff;
  --danger: #ff5c57;
  --cyan: #68ffe1;
}

* { box-sizing: border-box; }

html,
body { margin: 0; min-height: 100%; background: var(--ink); }

body {
  min-height: 100vh;
  min-height: 100svh;
  overflow: hidden;
  color: var(--paper);
  font-family: "DM Mono", monospace;
  background:
    radial-gradient(circle at 70% 15%, rgb(118 87 255 / 10%), transparent 28rem),
    linear-gradient(rgb(255 255 255 / 1.5%) 1px, transparent 1px),
    linear-gradient(90deg, rgb(255 255 255 / 1.5%) 1px, transparent 1px),
    var(--ink);
  background-size: auto, 4rem 4rem, 4rem 4rem, auto;
}

button,
input,
textarea,
select { font: inherit; }

button,
a { -webkit-tap-highlight-color: transparent; }

button { color: inherit; }

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.lab-header {
  position: relative;
  z-index: 20;
  display: grid;
  grid-template-columns: 1fr minmax(16rem, 34rem) 1fr;
  align-items: center;
  gap: 1.5rem;
  height: 4.5rem;
  padding: 0 clamp(1rem, 2.5vw, 2.5rem);
  border-bottom: 1px solid var(--line);
  background: rgb(5 6 7 / 82%);
  backdrop-filter: blur(18px);
}

.lab-brand {
  display: inline-flex;
  align-items: baseline;
  gap: 0.45rem;
  width: max-content;
}

.lab-brand strong {
  font-family: "Archivo Black", sans-serif;
  font-size: 1.1rem;
  letter-spacing: -0.07em;
}

.lab-brand span {
  color: rgb(240 238 232 / 45%);
  text-transform: uppercase;
  font-size: 0.65rem;
  letter-spacing: 0.1em;
}

.lab-brand i {
  color: var(--acid);
  font-size: 0.55rem;
  font-style: normal;
}

.tool-search {
  position: relative;
  display: block;
}

.tool-search input {
  width: 100%;
  height: 2.5rem;
  padding: 0 3rem 0 1rem;
  border: 1px solid var(--line);
  border-radius: 0;
  color: var(--paper);
  outline: none;
  background: rgb(255 255 255 / 3%);
  transition: border-color 160ms ease, background 160ms ease;
}

.tool-search input::placeholder { color: rgb(240 238 232 / 30%); }
.tool-search input:focus { border-color: var(--acid); background: rgb(255 255 255 / 5%); }

.tool-search kbd {
  position: absolute;
  top: 50%;
  right: 0.65rem;
  padding: 0.12rem 0.4rem;
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.62rem;
  transform: translateY(-50%);
}

.lab-state {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 1.2rem;
  text-transform: uppercase;
  font-size: 0.58rem;
  letter-spacing: 0.1em;
}

.lab-state p { margin: 0; color: var(--acid); }
.lab-state p i { display: inline-block; width: 0.38rem; height: 0.38rem; margin-right: 0.4rem; border-radius: 50%; background: var(--acid); box-shadow: 0 0 0.8rem var(--acid); }
.lab-state time { color: var(--muted); }

.lab-shell {
  display: grid;
  grid-template-columns: 19rem minmax(0, 1fr);
  height: calc(100vh - 4.5rem);
  height: calc(100svh - 4.5rem);
}

.tool-rail {
  position: relative;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  overflow: hidden;
  border-right: 1px solid var(--line);
  background: rgb(5 6 7 / 62%);
}

.rail-head,
.rail-foot {
  display: flex;
  justify-content: space-between;
  gap: 0.6rem;
  padding: 1rem 1.15rem;
  text-transform: uppercase;
  font-size: 0.52rem;
  letter-spacing: 0.11em;
  color: var(--muted);
}

.rail-head { border-bottom: 1px solid var(--line); }
.rail-head p { margin: 0; }
.rail-head span { color: var(--acid); }
.rail-foot { flex-wrap: wrap; border-top: 1px solid var(--line); }

.tool-list {
  padding: 0.55rem;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
}

.tool-link {
  position: relative;
  display: grid;
  grid-template-columns: 2rem 1fr;
  width: 100%;
  min-height: 4rem;
  padding: 0.72rem 0.75rem;
  border: 1px solid transparent;
  text-align: left;
  background: transparent;
  cursor: pointer;
  transition: background 150ms ease, border-color 150ms ease, transform 150ms ease;
}

.tool-link:hover,
.tool-link:focus-visible { border-color: var(--line); outline: none; background: rgb(255 255 255 / 3%); transform: translateX(2px); }
.tool-link.is-active { border-color: rgb(223 255 0 / 22%); background: linear-gradient(90deg, rgb(223 255 0 / 8%), transparent); }
.tool-link.is-active::after { content: ""; position: absolute; top: 0.65rem; bottom: 0.65rem; left: 0; width: 2px; background: var(--acid); box-shadow: 0 0 0.7rem var(--acid); }

.tool-link > span {
  grid-row: 1 / 3;
  color: var(--acid);
  font-size: 0.55rem;
}

.tool-link strong { align-self: end; text-transform: uppercase; font-size: 0.68rem; line-height: 1.25; letter-spacing: 0.04em; font-weight: 500; }
.tool-link small { margin-top: 0.2rem; color: var(--muted); font-size: 0.52rem; line-height: 1.25; }
.tool-link[hidden] { display: none; }
.rail-empty { margin: 1.25rem; color: var(--muted); font-size: 0.65rem; }

.tool-stage {
  position: relative;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
}

.tool-view {
  display: none;
  width: min(100%, 88rem);
  min-height: 100%;
  margin: 0 auto;
  padding: clamp(2rem, 5vw, 5rem);
  animation: view-in 260ms cubic-bezier(0.16, 1, 0.3, 1) both;
}

.tool-view.is-active { display: block; }

.tool-heading {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 2rem;
}

.tool-heading > div > span {
  color: var(--acid);
  text-transform: uppercase;
  font-size: 0.58rem;
  letter-spacing: 0.14em;
}

.tool-heading h1 {
  max-width: 17ch;
  margin: 0.25rem 0 0;
  font-family: "Archivo Black", sans-serif;
  font-size: clamp(2.4rem, 6vw, 5.8rem);
  line-height: 0.88;
  letter-spacing: -0.075em;
  text-transform: uppercase;
}

.tool-lede {
  max-width: 48rem;
  margin: 1.25rem 0 clamp(2rem, 4vw, 3.5rem);
  color: rgb(240 238 232 / 52%);
  font-size: clamp(0.72rem, 1vw, 0.9rem);
  line-height: 1.7;
}

.primary-action,
.action-row button {
  padding: 0.72rem 0.9rem;
  border: 1px solid var(--acid);
  color: var(--acid);
  text-transform: uppercase;
  font-size: 0.58rem;
  letter-spacing: 0.09em;
  background: transparent;
  cursor: pointer;
  transition: color 160ms ease, background 160ms ease, transform 160ms ease;
}

.primary-action:hover,
.primary-action:focus-visible,
.action-row button:hover,
.action-row button:focus-visible { color: var(--ink); outline: none; background: var(--acid); transform: translateY(-2px); }
.primary-action span { margin-left: 0.8rem; }

.action-row { display: flex; gap: 0.45rem; flex-wrap: wrap; }
.action-row button { border-color: var(--line); color: var(--paper); }

.diagnostic-hero {
  display: grid;
  grid-template-columns: minmax(15rem, 0.8fr) minmax(20rem, 1.2fr);
  border: 1px solid var(--line);
  background: rgb(255 255 255 / 2%);
}

.radar {
  position: relative;
  display: grid;
  min-height: 18rem;
  place-items: center;
  overflow: hidden;
  border-right: 1px solid var(--line);
  background: radial-gradient(circle, rgb(223 255 0 / 8%), transparent 55%);
}

.radar::before,
.radar::after { content: ""; position: absolute; width: 14rem; aspect-ratio: 1; border: 1px solid rgb(223 255 0 / 18%); border-radius: 50%; }
.radar::after { width: 8rem; }
.radar i { position: absolute; width: 7rem; height: 7rem; border-top: 1px solid var(--acid); transform-origin: bottom right; animation: radar-sweep 3s linear infinite; }
.radar span { position: relative; z-index: 2; margin-top: 11rem; text-transform: uppercase; color: var(--acid); font-size: 0.5rem; letter-spacing: 0.1em; }

.diag-summary { display: grid; grid-template-columns: repeat(2, 1fr); }
.diag-summary article { min-height: 9rem; padding: 1.2rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.diag-summary article:nth-child(2n) { border-right: 0; }
.diag-summary article:nth-last-child(-n + 2) { border-bottom: 0; }
.diag-summary span,
.base-results span,
.result-stack span,
.input-stats span { display: block; color: var(--muted); text-transform: uppercase; font-size: 0.52rem; letter-spacing: 0.12em; }
.diag-summary strong { display: block; margin-top: 0.65rem; font-size: clamp(0.72rem, 1.15vw, 1rem); line-height: 1.45; font-weight: 500; overflow-wrap: anywhere; }

.section-label { display: flex; align-items: center; gap: 1rem; margin: 2.2rem 0 0.75rem; text-transform: uppercase; font-size: 0.52rem; letter-spacing: 0.1em; }
.section-label i { flex: 1; height: 1px; background: var(--line); }
.section-label em { color: var(--muted); font-style: normal; }

.capability-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0.45rem; }
.capability { position: relative; min-height: 5rem; padding: 0.8rem; border: 1px solid var(--line); background: rgb(255 255 255 / 1.5%); }
.capability::after { content: ""; position: absolute; top: 0.8rem; right: 0.8rem; width: 0.42rem; height: 0.42rem; border-radius: 50%; background: var(--muted); }
.capability.is-on::after { background: var(--acid); box-shadow: 0 0 0.65rem var(--acid); }
.capability strong { display: block; text-transform: uppercase; font-size: 0.62rem; font-weight: 500; }
.capability span { display: block; margin-top: 0.45rem; color: var(--muted); font-size: 0.52rem; }

.telemetry-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin: 0; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.telemetry-grid div { min-height: 5rem; padding: 0.85rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.telemetry-grid dt { color: var(--muted); text-transform: uppercase; font-size: 0.5rem; letter-spacing: 0.1em; }
.telemetry-grid dd { margin: 0.55rem 0 0; font-size: 0.68rem; line-height: 1.4; overflow-wrap: anywhere; }

.split-workbench { display: grid; grid-template-columns: 1fr 1fr; min-height: 32rem; border: 1px solid var(--line); }
.code-pane { display: flex; flex-direction: column; min-width: 0; margin: 0; background: rgb(255 255 255 / 1.5%); }
.code-pane + .code-pane { border-left: 1px solid var(--line); }
.code-pane > span,
.pane-head { min-height: 2.8rem; padding: 0.85rem 1rem; border-bottom: 1px solid var(--line); color: var(--muted); text-transform: uppercase; font-size: 0.52rem; letter-spacing: 0.1em; }
.pane-head { display: flex; justify-content: space-between; }
.pane-head em { color: var(--acid); font-style: normal; }
.code-pane textarea { flex: 1; min-height: 24rem; resize: vertical; padding: 1rem; border: 0; color: var(--paper); line-height: 1.6; outline: none; background: transparent; }
.json-tree { flex: 1; max-height: 34rem; padding: 1rem; overflow: auto; font-size: 0.68rem; line-height: 1.65; }
.json-tree details { margin-left: 1rem; }
.json-tree summary { cursor: pointer; color: var(--muted); }
.json-key { color: var(--cyan); }
.json-string { color: #f4ba72; }
.json-number { color: var(--acid); }
.json-boolean { color: #ff8bd5; }
.json-null { color: var(--muted); }

.regex-bar,
.base-input,
.time-inputs,
.gradient-controls { display: grid; grid-template-columns: 1fr auto; gap: 0.6rem; margin-bottom: 0.6rem; }
.regex-bar label,
.base-input label,
.time-inputs label,
.gradient-controls label { display: flex; flex-direction: column; gap: 0.45rem; padding: 0.75rem; border: 1px solid var(--line); background: rgb(255 255 255 / 2%); }
.regex-bar label span,
.base-input label span,
.time-inputs label span,
.gradient-controls label span,
.timeline > span,
.password-controls label > span { color: var(--muted); text-transform: uppercase; font-size: 0.52rem; letter-spacing: 0.1em; }
.regex-bar input,
.base-input input,
.base-input select,
.time-inputs input { min-width: 0; border: 0; color: var(--paper); outline: none; background: transparent; }
.flag-input { width: 8rem; }
.regex-source { min-height: 14rem; border: 1px solid var(--line); }
.regex-source textarea { min-height: 10rem; }
.regex-output { min-height: 10rem; margin-top: 0.6rem; padding: 1rem; border: 1px solid var(--line); background: rgb(255 255 255 / 1.5%); }
.regex-output > span { color: var(--muted); text-transform: uppercase; font-size: 0.52rem; letter-spacing: 0.1em; }
.regex-output p { margin: 1rem 0 0; white-space: pre-wrap; line-height: 1.8; }
.regex-output mark { padding: 0.08rem 0.15rem; color: var(--ink); background: var(--acid); }
.match-count { padding: 0.55rem 0.7rem; border: 1px solid var(--line); color: var(--acid); text-transform: uppercase; font-size: 0.55rem; }
.inline-status { margin: 0.65rem 0 0; color: var(--muted); font-size: 0.58rem; }

.time-machine { display: grid; gap: 1rem; }
.time-inputs { grid-template-columns: repeat(2, 1fr); }
.timeline { display: block; padding: 1rem; border: 1px solid var(--line); background: rgb(255 255 255 / 2%); }
.timeline input { width: 100%; margin: 1.4rem 0 0.65rem; accent-color: var(--acid); }
.timeline div { display: flex; align-items: center; color: var(--muted); font-size: 0.5rem; }
.timeline i { flex: 1; height: 1px; margin: 0 0.5rem; background: var(--line); }
.timeline em { font-style: normal; }
.result-stack { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.result-stack article { min-height: 7rem; padding: 1rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.result-stack code { display: block; margin-top: 0.8rem; color: var(--acid); line-height: 1.5; overflow-wrap: anywhere; }

.base-input { grid-template-columns: minmax(0, 1fr) 12rem; }
.base-results { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.base-results article { position: relative; min-height: 8.5rem; padding: 1rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.base-results code { display: block; max-width: calc(100% - 4rem); margin-top: 1rem; color: var(--acid); font-size: clamp(1rem, 2.5vw, 2rem); overflow-wrap: anywhere; }
.base-results button { position: absolute; top: 0.8rem; right: 0.8rem; border: 0; color: var(--muted); text-transform: uppercase; font-size: 0.5rem; background: transparent; cursor: pointer; }
.number-pulse { color: rgb(223 255 0 / 14%); font-size: clamp(1.5rem, 5vw, 4rem); letter-spacing: 0.15em; }

.gradient-preview { position: relative; display: grid; min-height: 20rem; place-items: center; overflow: hidden; border: 1px solid var(--line); background: linear-gradient(135deg, #7657ff, #dfff00); }
.gradient-preview::after { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 50% 30%, transparent, rgb(0 0 0 / 42%)); }
.gradient-preview span { position: relative; z-index: 2; font-family: "Archivo Black", sans-serif; font-size: clamp(5rem, 18vw, 15rem); line-height: 0.8; letter-spacing: -0.1em; text-shadow: 0.5rem 0.7rem 0 rgb(0 0 0 / 35%); }
.gradient-preview i { position: absolute; width: 70%; height: 35%; border: 1px solid rgb(255 255 255 / 35%); border-radius: 50%; transform: rotateX(70deg); }
.gradient-controls { grid-template-columns: auto auto 1fr; margin-top: 0.6rem; }
.gradient-controls input[type="color"] { width: 6rem; height: 2.4rem; padding: 0; border: 0; background: transparent; }
.gradient-controls input[type="range"] { width: 100%; accent-color: var(--acid); }
.angle-control em { color: var(--acid); font-style: normal; }
.gradient-code { display: block; margin-top: 0.6rem; padding: 1rem; border: 1px solid var(--line); color: var(--acid); overflow-wrap: anywhere; background: rgb(255 255 255 / 2%); }

.password-output { display: flex; min-height: 5rem; border: 1px solid var(--line); background: rgb(255 255 255 / 2%); }
.password-output input { flex: 1; min-width: 0; padding: 1rem; border: 0; color: var(--acid); font-size: clamp(1rem, 2.6vw, 2rem); outline: none; background: transparent; }
.password-output button { width: 6rem; border: 0; border-left: 1px solid var(--line); color: var(--paper); text-transform: uppercase; font-size: 0.55rem; background: transparent; cursor: pointer; }
.password-controls { display: grid; grid-template-columns: 2fr repeat(4, 1fr); margin-top: 0.6rem; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.password-controls label { display: flex; min-height: 5rem; align-items: center; gap: 0.5rem; padding: 0.8rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.password-controls input { accent-color: var(--acid); }
.length-control { flex-direction: column; align-items: stretch !important; }
.length-control input { width: 100%; }
.length-control em { color: var(--acid); font-style: normal; }
.strength-meter { display: grid; grid-template-columns: 5rem 1fr 6rem; align-items: center; gap: 1rem; margin-top: 1rem; text-transform: uppercase; font-size: 0.55rem; }
.strength-meter > span { color: var(--acid); }
.strength-meter > i { height: 0.35rem; background: rgb(255 255 255 / 8%); }
.strength-meter b { display: block; width: 75%; height: 100%; background: var(--acid); box-shadow: 0 0 0.7rem var(--acid); transition: width 180ms ease; }
.strength-meter em { color: var(--muted); text-align: right; font-style: normal; }

.input-monitor { position: relative; display: grid; min-height: 22rem; place-items: center; overflow: hidden; border: 1px solid var(--line); outline: none; background: radial-gradient(circle, rgb(118 87 255 / 13%), transparent 55%), rgb(255 255 255 / 1.5%); }
.input-monitor:focus { border-color: var(--acid); }
.input-monitor::before,
.input-monitor::after { content: ""; position: absolute; background: var(--line); }
.input-monitor::before { top: 50%; right: 0; left: 0; height: 1px; }
.input-monitor::after { top: 0; bottom: 0; left: 50%; width: 1px; }
.input-monitor p { position: relative; z-index: 2; padding: 0.6rem; color: var(--muted); text-transform: uppercase; font-size: 0.58rem; letter-spacing: 0.1em; background: var(--ink); }
.input-reticle { position: absolute; z-index: 3; width: 1rem; height: 1rem; border: 1px solid var(--acid); border-radius: 50%; opacity: 0; transform: translate(-50%, -50%); pointer-events: none; }
.input-monitor.has-pointer .input-reticle { opacity: 1; }
.input-stats { display: grid; grid-template-columns: repeat(6, 1fr); margin-top: 0.6rem; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.input-stats article { min-height: 5.5rem; padding: 0.8rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.input-stats strong { display: block; margin-top: 0.65rem; color: var(--acid); font-size: 0.75rem; font-weight: 500; overflow-wrap: anywhere; }

.matrix-launch { display: grid; grid-template-columns: 1fr 1fr; min-height: 25rem; border: 1px solid var(--line); }
.matrix-sample { display: flex; justify-content: center; gap: 2rem; overflow: hidden; border-right: 1px solid var(--line); background: radial-gradient(circle, rgb(223 255 0 / 12%), transparent 58%); }
.matrix-sample span { color: var(--acid); opacity: 0.4; font-size: 0.7rem; line-height: 2; word-break: break-all; writing-mode: vertical-rl; animation: rain-sample 4s linear infinite; }
.matrix-sample span:nth-child(2) { animation-delay: -2.2s; }
.matrix-sample span:nth-child(3) { animation-delay: -1s; }
.matrix-launch > div:last-child { display: flex; flex-direction: column; justify-content: center; align-items: flex-start; padding: clamp(1.5rem, 4vw, 4rem); }
.matrix-launch p { max-width: 26ch; color: var(--muted); line-height: 1.7; }
.matrix-colors { display: flex; gap: 0.55rem; margin: 1rem 0 1.5rem; }
.matrix-color { width: 2rem; height: 2rem; padding: 0; border: 2px solid transparent; border-radius: 50%; background: var(--matrix-color); cursor: pointer; }
.matrix-color:nth-child(1) { background: #dfff00; }
.matrix-color:nth-child(2) { background: #7657ff; }
.matrix-color:nth-child(3) { background: #68ffe1; }
.matrix-color.is-active { outline: 1px solid var(--paper); outline-offset: 3px; }
.matrix-enter { padding: 0.9rem 1.1rem; border: 1px solid var(--acid); color: var(--ink); text-transform: uppercase; font-size: 0.62rem; letter-spacing: 0.1em; background: var(--acid); cursor: pointer; }

.matrix-mode { position: fixed; z-index: 100; inset: 0; background: #000; }
.matrix-mode[hidden] { display: none; }
.matrix-mode canvas { display: block; width: 100%; height: 100%; }
.matrix-hud { position: absolute; top: 1rem; right: 1rem; left: 1rem; display: flex; justify-content: space-between; align-items: center; color: var(--matrix-accent, #dfff00); text-transform: uppercase; font-size: 0.55rem; letter-spacing: 0.12em; }
.matrix-hud button { padding: 0.5rem 0.65rem; border: 1px solid currentColor; color: inherit; background: rgb(0 0 0 / 55%); cursor: pointer; }
.matrix-hud kbd { margin-left: 0.5rem; color: rgb(255 255 255 / 55%); }

.toast { position: fixed; z-index: 80; right: 1.25rem; bottom: 1.25rem; padding: 0.65rem 0.8rem; border: 1px solid var(--line); color: var(--acid); text-transform: uppercase; font-size: 0.52rem; letter-spacing: 0.1em; background: rgb(5 6 7 / 90%); opacity: 0; pointer-events: none; transform: translateY(0.5rem); transition: opacity 160ms ease, transform 160ms ease; }
.toast.is-visible { opacity: 1; transform: none; }

.toolbox-launch {
  display: block;
  margin-top: 0.9rem;
  padding: 0.85rem;
  border: 1px solid rgb(223 255 0 / 25%);
  background: linear-gradient(110deg, rgb(223 255 0 / 9%), transparent 65%);
  transition: border-color 160ms ease, transform 160ms ease;
}

.toolbox-launch:hover,
.toolbox-launch:focus-visible { border-color: var(--acid); outline: none; transform: translateY(-2px); }
.toolbox-launch span { display: block; color: rgb(240 238 232 / 42%); text-transform: uppercase; font-size: 0.52rem; letter-spacing: 0.1em; }
.toolbox-launch strong { display: flex; justify-content: space-between; margin-top: 0.35rem; color: var(--acid); text-transform: uppercase; font-size: 0.66rem; font-weight: 500; }
.toolbox-launch i { font-style: normal; }

@keyframes view-in { from { opacity: 0; transform: translateY(0.65rem); } to { opacity: 1; transform: none; } }
@keyframes radar-sweep { to { transform: rotate(360deg); } }
@keyframes rain-sample { from { transform: translateY(-30%); } to { transform: translateY(30%); } }

@media (max-width: 1050px) {
  .lab-shell { grid-template-columns: 15rem minmax(0, 1fr); }
  .tool-view { padding: 2rem; }
  .capability-grid { grid-template-columns: repeat(3, 1fr); }
  .input-stats { grid-template-columns: repeat(3, 1fr); }
  .password-controls { grid-template-columns: repeat(2, 1fr); }
  .length-control { grid-column: 1 / -1; }
}

@media (max-width: 760px) {
  body { overflow: auto; }
  .lab-header { position: sticky; top: 0; grid-template-columns: 1fr auto; height: auto; min-height: 4.2rem; padding: 0.75rem 1rem; }
  .tool-search { grid-column: 1 / -1; grid-row: 2; }
  .lab-state time { display: none; }
  .lab-shell { display: block; height: auto; }
  .tool-rail { position: sticky; z-index: 15; top: 7.35rem; display: block; border-right: 0; border-bottom: 1px solid var(--line); background: rgb(5 6 7 / 94%); }
  .rail-head,
  .rail-foot { display: none; }
  .tool-list { display: flex; gap: 0.35rem; padding: 0.55rem; overflow-x: auto; }
  .tool-link { flex: 0 0 auto; grid-template-columns: auto 1fr; width: auto; min-height: 2.8rem; padding: 0.55rem 0.75rem; }
  .tool-link small { display: none; }
  .tool-link > span { grid-row: auto; margin-right: 0.55rem; }
  .tool-link.is-active::after { top: auto; right: 0.65rem; bottom: 0; left: 0.65rem; width: auto; height: 2px; }
  .tool-stage { overflow: visible; }
  .tool-view { min-height: calc(100svh - 10rem); padding: 2rem 1rem 4rem; }
  .tool-heading { align-items: flex-start; flex-direction: column; gap: 1.2rem; }
  .tool-heading h1 { font-size: clamp(2.6rem, 15vw, 4.8rem); }
  .diagnostic-hero,
  .split-workbench,
  .matrix-launch { grid-template-columns: 1fr; }
  .radar,
  .matrix-sample { min-height: 14rem; border-right: 0; border-bottom: 1px solid var(--line); }
  .diag-summary article { min-height: 7rem; }
  .capability-grid { grid-template-columns: repeat(2, 1fr); }
  .telemetry-grid { grid-template-columns: repeat(2, 1fr); }
  .code-pane + .code-pane { border-top: 1px solid var(--line); border-left: 0; }
  .regex-bar,
  .base-input,
  .time-inputs,
  .gradient-controls { grid-template-columns: 1fr; }
  .flag-input { width: auto; }
  .result-stack { grid-template-columns: 1fr; }
  .base-results { grid-template-columns: 1fr; }
  .gradient-preview { min-height: 15rem; }
  .password-controls { grid-template-columns: repeat(2, 1fr); }
  .input-stats { grid-template-columns: repeat(2, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; }
}