@font-face {
  font-family: "Archivo Black";
  src: url("./fonts/ArchivoBlack-Regular.ttf") format("truetype");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "IBM Plex Mono";
  src: url("./fonts/IBMPlexMono-Regular.ttf") format("truetype");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "IBM Plex Mono";
  src: url("./fonts/IBMPlexMono-Medium.ttf") format("truetype");
  font-style: normal;
  font-weight: 500;
  font-display: swap;
}

@font-face {
  font-family: "IBM Plex Mono";
  src: url("./fonts/IBMPlexMono-SemiBold.ttf") format("truetype");
  font-style: normal;
  font-weight: 600;
  font-display: swap;
}

:root {
  --blue: #1d00ff;
  --signal: #ffffff;
  --ink: #05000f;
  --line: rgba(5, 0, 15, 0.78);
  --muted: rgba(5, 0, 15, 0.68);
  --mono: "IBM Plex Mono", "Cascadia Mono", Consolas, monospace;
  --display: "Archivo Black", Impact, sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  overflow: hidden;
}

html {
  background: var(--ink);
}

body {
  min-width: 320px;
  margin: 0;
  display: grid;
  grid-template-rows: 72px minmax(0, 1fr);
  background: var(--blue);
  color: var(--ink);
  font-family: var(--mono);
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 20;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    rgba(5, 0, 15, 0.045) 0,
    rgba(5, 0, 15, 0.045) 1px,
    transparent 1px,
    transparent 4px
  );
  mix-blend-mode: multiply;
}

a {
  color: inherit;
}

.skip-link {
  position: fixed;
  top: -5rem;
  left: 1rem;
  z-index: 100;
  padding: 0.75rem 1rem;
  background: var(--ink);
  color: var(--signal);
}

.skip-link:focus {
  top: 1rem;
}

.site-header {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 2rem;
  padding: 0 2.5vw;
  background: var(--ink);
  color: var(--signal);
  border-bottom: 1px solid var(--blue);
}

.site-mark,
.site-header nav a {
  text-decoration: none;
}

.site-mark {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  width: max-content;
  font: 1rem/1 var(--display);
  letter-spacing: -0.03em;
}

.prompt {
  font-weight: 600;
}

.site-header nav {
  display: flex;
  gap: 2.5rem;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
}

.site-header nav span {
  color: rgba(255, 255, 255, 0.66);
}

.site-header a:hover,
.site-header a:focus-visible {
  color: #ffffff;
}

.system-state {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.09em;
}

.status-dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 14px var(--blue);
}

.viewport-shell {
  min-height: 0;
  padding: 0 1.5rem 1.5rem;
}

.selector-panel {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 0;
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr) auto;
  padding: clamp(1rem, 2.7vh, 2rem) clamp(1.25rem, 3vw, 3.25rem) 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-top: 0;
}

.terminal-line {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin: 0;
  font-size: clamp(0.68rem, 1vw, 0.82rem);
  font-weight: 500;
  letter-spacing: 0.04em;
}

.cursor {
  display: inline-block;
  width: 0.6rem;
  height: 1em;
  background: var(--ink);
  animation: blink 1.1s steps(1) infinite;
}

@keyframes blink {
  50% { opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .cursor { animation: none; }
}

.selector-rule {
  display: flex;
  justify-content: space-between;
  margin-top: clamp(0.75rem, 2vh, 1.3rem);
  padding-top: clamp(0.65rem, 1.6vh, 1rem);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.64rem;
  font-weight: 600;
  letter-spacing: 0.12em;
}

.selector-core {
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(240px, 0.85fr) minmax(380px, 1.15fr) minmax(220px, 0.85fr);
  align-items: center;
  gap: clamp(1.5rem, 3vw, 4rem);
}

.selector-core h1 {
  margin: 0;
  font: clamp(3.3rem, 5.1vw, 5.8rem) / 0.93 var(--display);
  letter-spacing: -0.065em;
}

.runner-links {
  display: grid;
  gap: clamp(0.65rem, 1.5vh, 1rem);
}

.runner-link {
  min-height: clamp(64px, 10vh, 94px);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1rem;
  padding: 0 clamp(1rem, 2vw, 1.75rem);
  background: var(--ink);
  color: var(--signal);
  border: 2px solid var(--ink);
  text-decoration: none;
  transition: background 130ms ease, color 130ms ease, transform 130ms ease;
}

.runner-link:hover,
.runner-link:focus-visible {
  background: transparent;
  color: var(--ink);
  transform: translateX(0.45rem);
  outline: none;
}

.runner-link-disabled {
  opacity: 0.56;
  cursor: not-allowed;
}

.runner-link-disabled:hover {
  background: var(--ink);
  color: var(--signal);
  transform: none;
}

.runner-number,
.runner-destination {
  font-size: clamp(0.55rem, 0.7vw, 0.68rem);
  font-weight: 600;
  letter-spacing: 0.09em;
}

.runner-title {
  min-width: 0;
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.45rem 0.7rem;
}

.runner-link strong {
  font: clamp(1.25rem, 2vw, 2rem) / 1 var(--display);
  letter-spacing: -0.045em;
}

.runner-version {
  padding: 0.22rem 0.38rem;
  border: 1px solid currentColor;
  font-size: clamp(0.48rem, 0.58vw, 0.6rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.ascii-note {
  align-self: center;
  max-width: 300px;
}

.ascii-note span {
  display: block;
  margin-bottom: 0.75rem;
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.12em;
}

.ascii-note p {
  margin: 0;
  font-size: clamp(0.88rem, 1.2vw, 1.08rem);
  line-height: 1.45;
}

.selector-footer {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 1rem;
  min-height: clamp(46px, 6.5vh, 64px);
  border-top: 1px solid var(--line);
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.selector-footer a {
  justify-self: end;
  text-decoration: none;
}

.selector-footer a:hover,
.selector-footer a:focus-visible {
  text-decoration: underline;
}

.legal-toggle {
  justify-self: center;
  padding: 0.4rem 0.65rem;
  background: transparent;
  color: var(--ink);
  border: 1px solid transparent;
  font: inherit;
  letter-spacing: inherit;
  cursor: pointer;
}

.legal-toggle:hover,
.legal-toggle:focus-visible,
.legal-toggle[aria-expanded="true"] {
  border-color: var(--ink);
  outline: none;
}

.legal-dropup {
  position: absolute;
  right: clamp(0.9rem, 3vw, 3.25rem);
  bottom: clamp(46px, 6.5vh, 64px);
  z-index: 40;
  width: min(760px, calc(100% - 1.8rem));
  max-height: min(64vh, 620px);
  background: var(--ink);
  color: var(--signal);
  border: 2px solid var(--ink);
  box-shadow: 0 -18px 50px rgba(5, 0, 15, 0.24);
}

.legal-dropup[hidden] {
  display: none;
}

.legal-dropup-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.2rem 1.3rem 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.28);
}

.legal-dropup-header span {
  display: block;
  margin-bottom: 0.45rem;
  color: var(--blue);
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.12em;
}

.legal-dropup-header h2 {
  margin: 0;
  font: clamp(1.4rem, 2.5vw, 2.2rem) / 1 var(--display);
  letter-spacing: -0.045em;
}

.legal-dropup-header button {
  width: 2rem;
  height: 2rem;
  flex: 0 0 auto;
  background: transparent;
  color: var(--signal);
  border: 1px solid rgba(255, 255, 255, 0.45);
  font: 1.2rem/1 var(--mono);
  cursor: pointer;
}

.legal-dropup-header button:hover,
.legal-dropup-header button:focus-visible {
  background: var(--blue);
  border-color: var(--blue);
  outline: none;
}

.legal-dropup-scroll {
  max-height: calc(min(64vh, 620px) - 88px);
  padding: 1.1rem 1.3rem 1.3rem;
  overflow-y: auto;
  overscroll-behavior: contain;
}

.legal-lead,
.legal-assent {
  margin: 0;
  font-size: 0.72rem;
  line-height: 1.65;
}

.legal-lead {
  color: var(--signal);
}

.legal-summary-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.65rem;
  margin: 1rem 0;
}

.legal-summary-grid section {
  padding: 0.85rem;
  border: 1px solid rgba(255, 255, 255, 0.28);
}

.legal-summary-grid h3 {
  margin: 0 0 0.5rem;
  color: var(--blue);
  font-size: 0.61rem;
  letter-spacing: 0.08em;
}

.legal-summary-grid p {
  margin: 0;
  color: rgba(255, 255, 255, 0.76);
  font-size: 0.64rem;
  line-height: 1.55;
}

.legal-assent {
  padding: 0.85rem;
  background: var(--blue);
  color: var(--ink);
  font-weight: 600;
}

.legal-links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.55rem;
  margin-top: 1rem;
}

.legal-links a {
  padding: 0.7rem 0.8rem;
  border: 1px solid rgba(255, 255, 255, 0.42);
  color: var(--signal);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-decoration: none;
}

.legal-links a:hover,
.legal-links a:focus-visible {
  background: var(--signal);
  color: var(--ink);
  outline: none;
}

.error-page {
  width: min(1100px, 100% - 3rem);
  height: 100dvh;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  gap: 1.5rem;
}

.error-page h1 {
  margin: 0;
  font: clamp(4rem, 13vw, 10rem) / 0.82 var(--display);
  letter-spacing: -0.08em;
}

.error-page p {
  margin: 0;
}

.error-link {
  padding: 1rem 1.25rem;
  border: 2px solid var(--ink);
  font-weight: 600;
  text-decoration: none;
}

.error-link:hover,
.error-link:focus-visible {
  background: var(--ink);
  color: var(--signal);
}

@media (max-width: 980px) {
  .selector-core {
    grid-template-columns: minmax(190px, 0.75fr) minmax(360px, 1.25fr);
    gap: 1.5rem;
  }

  .ascii-note {
    display: none;
  }

  .selector-core h1 {
    font-size: clamp(2.8rem, 6.4vw, 4.6rem);
  }
}

@media (max-width: 700px) {
  body {
    grid-template-rows: 58px minmax(0, 1fr);
  }

  .site-header {
    grid-template-columns: 1fr auto;
    padding: 0 1rem;
  }

  .site-header nav {
    display: none;
  }

  .system-state span:last-child {
    display: none;
  }

  .viewport-shell {
    padding: 0 0.65rem 0.65rem;
  }

  .selector-panel {
    padding: 0.85rem 0.9rem 0;
  }

  .selector-rule {
    margin-top: 0.7rem;
    padding-top: 0.6rem;
  }

  .selector-rule span:first-child {
    display: none;
  }

  .selector-rule span:last-child {
    margin-left: auto;
  }

  .selector-core {
    grid-template-columns: 1fr;
    grid-template-rows: auto minmax(0, 1fr) auto;
    align-content: center;
    gap: clamp(0.65rem, 2vh, 1rem);
  }

  .selector-core h1 {
    font-size: clamp(2.2rem, 11vw, 3.3rem);
    line-height: 0.9;
  }

  .runner-links {
    gap: 0.5rem;
  }

  .runner-link {
    min-height: clamp(50px, 8.2vh, 66px);
    padding: 0 0.85rem;
  }

  .runner-link strong {
    font-size: clamp(1rem, 5vw, 1.35rem);
  }

  .runner-destination {
    display: none;
  }

  .ascii-note {
    display: block;
    max-width: none;
  }

  .ascii-note span {
    display: none;
  }

  .ascii-note p {
    font-size: 0.74rem;
  }

  .selector-footer {
    grid-template-columns: 1fr auto;
    min-height: 38px;
    font-size: 0.5rem;
  }

  .legal-toggle {
    order: 3;
    grid-column: 1 / -1;
    position: absolute;
    left: 50%;
    bottom: 0.45rem;
    transform: translateX(-50%);
    padding: 0.25rem 0.4rem;
  }

  .selector-footer a {
    font-size: 0;
  }

  .selector-footer a::after {
    content: "CONTACT";
    font-size: 0.5rem;
  }

  .legal-dropup {
    right: 0.45rem;
    bottom: 38px;
    width: calc(100% - 0.9rem);
    max-height: 72vh;
  }

  .legal-dropup-scroll {
    max-height: calc(72vh - 82px);
  }

  .legal-summary-grid,
  .legal-links {
    grid-template-columns: 1fr;
  }
}

@media (max-height: 600px) {
  body {
    grid-template-rows: 52px minmax(0, 1fr);
  }

  .selector-panel {
    padding-top: 0.65rem;
  }

  .selector-core h1 {
    font-size: clamp(2rem, 7vh, 3.2rem);
  }

  .runner-link {
    min-height: 48px;
  }

  .ascii-note {
    display: none;
  }

  .selector-footer {
    min-height: 34px;
  }
}