:root {
  color-scheme: dark;
  --bg: #0b0d0c;
  --surface: #121613;
  --surface-2: #181e19;
  --line: #293229;
  --text: #f2f5f2;
  --muted: #9aa69b;
  --green: #7bd63c;
  --green-strong: #90ef4e;
  --shadow: 0 18px 60px rgba(0, 0, 0, .28);
  --radius: 22px;
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

* { box-sizing: border-box; }

html {
  min-height: 100%;
  background: var(--bg);
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  background:
    radial-gradient(circle at 85% 0%, rgba(123, 214, 60, .10), transparent 30rem),
    var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button, input { font: inherit; }

button:focus-visible, a:focus-visible {
  outline: 3px solid rgba(123, 214, 60, .55);
  outline-offset: 3px;
}

.app-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.app-header {
  min-height: 76px;
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 16px;
  padding: 12px clamp(16px, 3vw, 36px);
  border-bottom: 1px solid rgba(123, 214, 60, .18);
  background: rgba(11, 13, 12, .86);
  backdrop-filter: blur(18px);
}

.icon-button {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 14px;
  color: var(--text);
  background: var(--surface);
  cursor: pointer;
}

.icon-button.primary {
  color: #081006;
  border-color: var(--green);
  background: var(--green);
  font-size: 24px;
  font-weight: 800;
}

.brand {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  width: 46px;
  height: 46px;
}

.brand-title {
  color: var(--green);
  font-size: clamp(18px, 2.2vw, 24px);
  font-weight: 850;
  letter-spacing: .02em;
  text-transform: uppercase;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.brand-subtitle {
  margin-top: 2px;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.header-actions {
  display: flex;
  gap: 10px;
}

.app-main {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: clamp(24px, 5vw, 64px) 0 48px;
  flex: 1;
}

.hero-card,
.module-panel,
.release-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(145deg, rgba(24, 30, 25, .98), rgba(15, 18, 16, .98));
  box-shadow: var(--shadow);
}

.hero-card {
  display: grid;
  grid-template-columns: minmax(160px, 260px) 1fr;
  align-items: center;
  gap: clamp(22px, 6vw, 72px);
  padding: clamp(26px, 6vw, 72px);
  overflow: hidden;
}

.hero-logo {
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border-radius: 28px;
  background:
    radial-gradient(circle, rgba(123, 214, 60, .18), transparent 66%),
    #0d110e;
}

.hero-logo img { width: 78%; }

.eyebrow {
  margin: 0 0 10px;
  color: var(--green);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
}

h1, h2, p { margin-top: 0; }

h1 {
  margin-bottom: 16px;
  font-size: clamp(38px, 7vw, 84px);
  line-height: .98;
  letter-spacing: -.055em;
}

h2 {
  margin-bottom: 8px;
  font-size: clamp(26px, 4vw, 42px);
  letter-spacing: -.035em;
}

.hero-text,
.release-panel p {
  max-width: 760px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: clamp(16px, 2vw, 20px);
  line-height: 1.7;
}

.status-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin: 18px 0;
}

.status-card {
  min-height: 104px;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface);
}

.status-icon {
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  border-radius: 13px;
  color: #0a1008;
  background: var(--green);
  font-weight: 900;
}

.status-card strong,
.status-card span {
  display: block;
}

.status-card strong { margin-bottom: 5px; }
.status-card div span { color: var(--muted); font-size: 13px; }

.module-panel,
.release-panel {
  padding: clamp(22px, 4vw, 42px);
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 22px;
}

.install-button {
  min-height: 44px;
  padding: 0 18px;
  border: 0;
  border-radius: 14px;
  color: #071006;
  background: var(--green);
  font-weight: 850;
  cursor: pointer;
}

.module-list {
  display: grid;
  gap: 10px;
}

.module-row {
  width: 100%;
  min-height: 78px;
  display: grid;
  grid-template-columns: 48px 1fr auto;
  align-items: center;
  gap: 16px;
  padding: 14px 16px;
  text-align: left;
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface);
  opacity: 1;
}

.module-row:disabled { cursor: default; }

.module-index,
.module-state {
  color: var(--green);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.module-row strong,
.module-row small {
  display: block;
}

.module-row small {
  margin-top: 5px;
  color: var(--muted);
  line-height: 1.4;
}

.release-panel {
  margin-top: 18px;
}

.app-footer {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  padding: 20px 16px calc(20px + var(--safe-bottom));
  color: var(--muted);
  border-top: 1px solid var(--line);
  font-size: 13px;
}

.dot { color: var(--green); }

.toast {
  position: fixed;
  left: 50%;
  bottom: calc(24px + var(--safe-bottom));
  z-index: 50;
  max-width: calc(100% - 32px);
  padding: 12px 16px;
  border: 1px solid rgba(123, 214, 60, .35);
  border-radius: 14px;
  color: var(--text);
  background: #151b16;
  box-shadow: var(--shadow);
  transform: translate(-50%, 160%);
  transition: transform .25s ease;
}

.toast.visible { transform: translate(-50%, 0); }

@media (max-width: 860px) {
  .hero-card { grid-template-columns: 1fr; }
  .hero-logo { max-width: 240px; }
  .status-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 620px) {
  .app-header {
    grid-template-columns: auto 1fr auto;
    gap: 10px;
  }

  .brand-subtitle,
  .header-actions .icon-button:first-child {
    display: none;
  }

  .brand-mark { width: 40px; height: 40px; }
  .brand-title { font-size: 16px; }

  .app-main { width: min(100% - 22px, 1180px); }
  .status-grid { grid-template-columns: 1fr; }
  .section-heading { align-items: stretch; flex-direction: column; }
  .module-row { grid-template-columns: 38px 1fr; }
  .module-state { grid-column: 2; }
}