:root {
  --bg: #07110a;
  --bg-deep: #030704;
  --panel: rgba(6, 18, 10, 0.86);
  --panel-strong: rgba(7, 24, 13, 0.94);
  --phosphor: #a6ffbe;
  --phosphor-soft: #76c98d;
  --phosphor-dim: #4a8059;
  --amber: #ffd27a;
  --paper: #ddffe5;
  --line: rgba(166, 255, 190, 0.22);
  --line-strong: rgba(166, 255, 190, 0.5);
  --shadow: 0 0 28px rgba(95, 255, 139, 0.08);
  --max: 1500px;
  --mono: ui-monospace, "Cascadia Code", "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--bg-deep);
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  overflow-x: hidden;
  color: var(--paper);
  background:
    radial-gradient(circle at 20% 0%, rgba(53, 116, 67, 0.14), transparent 33rem),
    radial-gradient(circle at 100% 30%, rgba(255, 210, 122, 0.05), transparent 30rem),
    linear-gradient(180deg, #07110a 0%, #030704 100%);
  font-family: var(--mono);
  line-height: 1.55;
  text-rendering: optimizeLegibility;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(121, 213, 145, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(121, 213, 145, 0.035) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom, black, transparent 90%);
}

::selection {
  color: #07110a;
  background: var(--amber);
}

button,
input {
  font: inherit;
}

a {
  color: inherit;
}

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

#sky {
  position: fixed;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  opacity: 0.9;
}

.crt-noise {
  position: fixed;
  inset: 0;
  z-index: 20;
  pointer-events: none;
  opacity: 0.17;
  background:
    repeating-linear-gradient(
      to bottom,
      transparent 0,
      transparent 3px,
      rgba(0, 0, 0, 0.34) 4px
    );
  mix-blend-mode: multiply;
}

.crt-noise::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 0%, rgba(166, 255, 190, 0.025) 48%, rgba(166, 255, 190, 0.08) 50%, rgba(166, 255, 190, 0.025) 52%, transparent 100%);
  transform: translateX(-110%);
  animation: sweep 9s linear infinite;
}

@keyframes sweep {
  to { transform: translateX(110%); }
}

.skip-link {
  position: fixed;
  z-index: 50;
  top: 12px;
  left: 12px;
  padding: 0.7rem 0.9rem;
  color: var(--bg-deep);
  background: var(--amber);
  transform: translateY(-200%);
  transition: transform 0.15s ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.terminal-shell {
  width: min(calc(100% - 32px), var(--max));
  margin: 0 auto;
  padding: 32px 0 48px;
}

.panel {
  position: relative;
  margin-bottom: 20px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(7, 24, 13, 0.9), rgba(4, 12, 7, 0.88));
  box-shadow: var(--shadow), inset 0 0 0 1px rgba(166, 255, 190, 0.025);
}

.panel::before,
.panel::after {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  pointer-events: none;
}

.panel::before {
  top: -1px;
  left: -1px;
  border-top: 2px solid var(--phosphor);
  border-left: 2px solid var(--phosphor);
}

.panel::after {
  right: -1px;
  bottom: -1px;
  border-right: 2px solid var(--amber);
  border-bottom: 2px solid var(--amber);
}

.hero {
  min-height: 70vh;
  padding: clamp(24px, 4vw, 58px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
}

.hero::after {
  width: 26rem;
  height: 26rem;
  right: -8rem;
  bottom: -8rem;
  border: 1px solid rgba(166, 255, 190, 0.18);
  border-radius: 50%;
  box-shadow:
    0 0 0 52px rgba(166, 255, 190, 0.018),
    0 0 0 104px rgba(166, 255, 190, 0.014),
    0 0 0 156px rgba(166, 255, 190, 0.01);
}

.hero-topline,
.panel-heading,
.hero-actions,
.footer,
.footer nav,
.scope-key,
.filters {
  display: flex;
  align-items: center;
}

.hero-topline {
  justify-content: space-between;
  gap: 20px;
  padding-bottom: 20px;
  border-bottom: 1px dashed var(--line);
  color: var(--phosphor-soft);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
}

.status-live {
  color: var(--amber);
  white-space: nowrap;
}

.status-live i {
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 10px rgba(255, 210, 122, 0.7);
  animation: blink 1.8s steps(2, end) infinite;
}

@keyframes blink {
  50% { opacity: 0.32; }
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(270px, 0.55fr);
  gap: clamp(32px, 7vw, 96px);
  align-items: end;
  padding: clamp(36px, 7vw, 96px) 0;
}

.brand-mark {
  display: inline-block;
  margin: 0 0 1.4rem;
  color: var(--phosphor);
  text-shadow: 0 0 12px rgba(166, 255, 190, 0.22);
  font-size: clamp(0.72rem, 1.4vw, 0.9rem);
  line-height: 1.2;
}

.kicker,
.section-code {
  color: var(--amber);
  font-size: 0.76rem;
  letter-spacing: 0.15em;
}

.hero h1 {
  max-width: 900px;
  margin: 0.35rem 0 1.5rem;
  color: var(--paper);
  font-size: clamp(3rem, 8vw, 8.2rem);
  font-weight: 750;
  line-height: 0.88;
  letter-spacing: -0.07em;
  text-transform: uppercase;
}

.hero h1 span {
  color: transparent;
  -webkit-text-stroke: 1px var(--phosphor);
  text-shadow: 0 0 18px rgba(166, 255, 190, 0.14);
}

.lede {
  max-width: 860px;
  margin: 0;
  color: #b5d8bd;
  font-size: clamp(0.96rem, 1.6vw, 1.13rem);
}

.telemetry {
  display: grid;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
  background: rgba(2, 9, 4, 0.5);
}

.telemetry div {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 14px;
  padding: 0.8rem 0.9rem;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  font-size: 0.78rem;
}

.telemetry span {
  color: var(--phosphor-dim);
}

.telemetry strong {
  color: var(--phosphor);
  font-weight: 600;
}

.hero-actions {
  position: relative;
  z-index: 2;
  flex-wrap: wrap;
  gap: 10px;
}

.terminal-button,
.filter-button {
  appearance: none;
  border: 1px solid var(--line-strong);
  border-radius: 0;
  color: var(--phosphor);
  background: rgba(4, 13, 7, 0.78);
  cursor: pointer;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  transition: transform 0.12s ease, background-color 0.12s ease, border-color 0.12s ease, color 0.12s ease;
}

.terminal-button {
  padding: 0.75rem 0.95rem;
  font-size: 0.74rem;
}

.terminal-button.primary,
.terminal-button:hover,
.terminal-button:focus-visible,
.filter-button:hover,
.filter-button:focus-visible,
.filter-button.is-active {
  color: var(--bg-deep);
  border-color: var(--amber);
  background: var(--amber);
  outline: none;
}

.terminal-button:hover,
.filter-button:hover {
  transform: translateY(-2px);
}

.scope,
.index,
.footer {
  padding: clamp(22px, 3vw, 38px);
}

.panel-heading {
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 20px;
  padding-bottom: 18px;
  border-bottom: 1px dashed var(--line);
}

.panel-heading h2 {
  margin: 0.1rem 0 0;
  color: var(--paper);
  font-size: clamp(1.25rem, 3vw, 2rem);
  font-weight: 650;
  letter-spacing: -0.035em;
  text-transform: uppercase;
}

.panel-heading > p,
.scope-note,
.result-line {
  margin: 0;
  color: var(--phosphor-dim);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
}

.scope {
  min-height: 220px;
  background: linear-gradient(180deg, rgba(8, 28, 15, 0.85), rgba(4, 12, 7, 0.9));
}

.scope-note {
  max-width: 760px;
  color: #97bda0;
  line-height: 1.7;
}

.scope-key {
  flex-wrap: wrap;
  gap: 22px;
  margin-top: 32px;
  color: var(--phosphor-soft);
  font-size: 0.72rem;
}

.index-heading kbd {
  display: inline-block;
  min-width: 1.7em;
  padding: 0.06rem 0.25rem;
  border: 1px solid var(--line-strong);
  color: var(--amber);
  background: rgba(0, 0, 0, 0.35);
  text-align: center;
}

.controls {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) minmax(0, 2fr);
  gap: 18px;
  align-items: start;
}

.search-box {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  min-height: 44px;
  padding: 0 0.8rem;
  border: 1px solid var(--line-strong);
  background: rgba(0, 0, 0, 0.23);
  color: var(--amber);
  font-size: 0.76rem;
}

.search-box:focus-within {
  border-color: var(--amber);
  box-shadow: inset 0 0 0 1px rgba(255, 210, 122, 0.18), 0 0 18px rgba(255, 210, 122, 0.05);
}

.search-box input {
  min-width: 0;
  width: 100%;
  height: 42px;
  border: 0;
  outline: 0;
  color: var(--paper);
  background: transparent;
  caret-color: var(--amber);
}

.search-box input::placeholder {
  color: #53715a;
}

.filters {
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.filter-button {
  min-height: 44px;
  padding: 0 0.72rem;
  font-size: 0.69rem;
}

.result-line {
  margin: 24px 0 12px;
  color: var(--amber);
}

.repo-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.repo-card {
  position: relative;
  min-height: 190px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: linear-gradient(145deg, rgba(7, 25, 13, 0.9), rgba(2, 9, 4, 0.88));
  transition: transform 0.14s ease, border-color 0.14s ease, background-color 0.14s ease, box-shadow 0.14s ease;
}

.repo-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 34px;
  height: 1px;
  background: var(--phosphor);
  box-shadow: 0 0 10px rgba(166, 255, 190, 0.4);
}

.repo-card a {
  position: relative;
  z-index: 1;
  display: flex;
  min-height: 190px;
  padding: 18px;
  flex-direction: column;
  text-decoration: none;
}

.repo-card:hover,
.repo-card:focus-within {
  z-index: 2;
  transform: translateY(-3px);
  border-color: var(--amber);
  background: linear-gradient(145deg, rgba(14, 35, 20, 0.96), rgba(5, 13, 7, 0.96));
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35), 0 0 18px rgba(255, 210, 122, 0.06);
}

.repo-card a:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: -4px;
}

.node-meta {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  color: var(--phosphor-dim);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
}

.repo-card h3 {
  margin: auto 0 0;
  overflow-wrap: anywhere;
  color: var(--paper);
  font-size: clamp(1.05rem, 1.7vw, 1.4rem);
  line-height: 1.03;
  letter-spacing: -0.04em;
}

.repo-card:hover h3,
.repo-card:focus-within h3 {
  color: var(--amber);
}

.repo-path {
  margin: 0.55rem 0 0;
  overflow: hidden;
  color: var(--phosphor-soft);
  font-size: 0.69rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.open-node {
  margin-top: 1.25rem;
  color: var(--phosphor);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
}

.empty-state {
  padding: 60px 20px;
  border: 1px dashed var(--line);
  color: var(--phosphor-dim);
  text-align: center;
}

.empty-state strong,
.empty-state span {
  display: block;
}

.empty-state strong {
  margin-bottom: 8px;
  color: var(--amber);
  font-size: 1.1rem;
}

.footer {
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 28px;
  color: var(--phosphor-soft);
  font-size: 0.72rem;
}

.footer > div {
  display: grid;
  gap: 4px;
}

.footer strong {
  color: var(--paper);
}

.footer nav {
  flex-wrap: wrap;
  gap: 16px;
}

.footer a {
  color: var(--phosphor);
  text-decoration: none;
}

.footer a:hover,
.footer a:focus-visible {
  color: var(--amber);
  outline: none;
}

.footer-signal {
  flex-basis: 100%;
  margin: 0;
  padding-top: 18px;
  border-top: 1px dashed var(--line);
  color: var(--phosphor-dim);
  letter-spacing: 0.08em;
}

.toast {
  position: fixed;
  z-index: 40;
  right: 24px;
  bottom: 24px;
  max-width: min(360px, calc(100vw - 48px));
  padding: 0.8rem 1rem;
  border: 1px solid var(--amber);
  color: var(--bg-deep);
  background: var(--amber);
  box-shadow: 0 10px 35px rgba(0, 0, 0, 0.4);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity 0.16s ease, transform 0.16s ease;
}

.toast.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.noscript {
  position: fixed;
  z-index: 60;
  right: 16px;
  bottom: 16px;
  left: 16px;
  padding: 16px;
  border: 1px solid var(--amber);
  color: var(--bg-deep);
  background: var(--amber);
  font: 0.82rem/1.5 var(--mono);
}

@media (max-width: 1100px) {
  .repo-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .hero-grid {
    grid-template-columns: 1fr;
  }

  .telemetry {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    max-width: 720px;
  }

  .controls {
    grid-template-columns: 1fr;
  }

  .filters {
    justify-content: flex-start;
  }
}

@media (max-width: 760px) {
  .terminal-shell {
    width: min(calc(100% - 18px), var(--max));
    padding-top: 9px;
  }

  .hero {
    min-height: auto;
    padding: 20px;
  }

  .hero-topline,
  .panel-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero-grid {
    padding: 44px 0;
  }

  .hero h1 {
    font-size: clamp(2.8rem, 15vw, 5rem);
  }

  .telemetry {
    grid-template-columns: 1fr;
  }

  .repo-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .repo-card,
  .repo-card a {
    min-height: 160px;
  }

  .footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .footer nav {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 500px) {
  .repo-grid {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    width: 100%;
  }

  .terminal-button {
    display: grid;
    place-items: center;
    min-height: 46px;
    text-align: center;
  }

  .search-box {
    grid-template-columns: 1fr;
    gap: 0;
    padding-top: 0.6rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
  }
}