:root {
  --fdtdx-ink: #071521;
  --fdtdx-panel: #0b2032;
  --fdtdx-cyan: #30d5c8;
  --fdtdx-purple: #bd45ef;
  --fdtdx-amber: #ffd84d;
  --fdtdx-muted: #8ca6b8;
  --fdtdx-paper: #f7fafc;
}

html[data-theme="dark"] {
  --pst-color-primary: #5fe1d4;
  --pst-color-secondary: #d173f4;
  --pst-color-background: #071521;
  --pst-color-on-background: #0b2032;
  --pst-color-surface: #0e273b;
  --pst-color-text-base: #edf7fb;
  --pst-color-text-muted: #9ab1c1;
  --pst-color-border: #244057;
}

html[data-theme="light"] {
  --pst-color-primary: #087d83;
  --pst-color-secondary: #8221a8;
  --pst-color-background: #f7fafc;
  --pst-color-on-background: #ffffff;
  --pst-color-surface: #ecf4f7;
  --pst-color-text-base: #102b3c;
  --pst-color-text-muted: #526d7c;
  --pst-color-border: #d1e0e7;
}

body { letter-spacing: 0.005em; }
.bd-main .bd-content .bd-article-container { max-width: 980px; }
.bd-header-announcement { background: linear-gradient(90deg, #8d2bc4, #0e939a); }
h1, h2, h3 { letter-spacing: -0.025em; }
h1 { font-weight: 760; }
h2 { margin-top: 2.5rem; }

.fdtdx-hero {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(116, 213, 215, .22);
  border-radius: 24px;
  min-height: 520px;
  margin: 0 0 2.2rem;
  padding: 4.7rem 3.6rem 3.6rem;
  background:
    radial-gradient(circle at 78% 18%, rgba(189, 69, 239, .25), transparent 27%),
    radial-gradient(circle at 7% 90%, rgba(48, 213, 200, .18), transparent 30%),
    linear-gradient(145deg, #071521 15%, #102d43 100%);
  color: #f4fbff;
  box-shadow: 0 24px 70px rgba(1, 12, 20, .28);
}
.fdtdx-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .20;
  background-image:
    linear-gradient(rgba(109, 204, 216, .25) 1px, transparent 1px),
    linear-gradient(90deg, rgba(109, 204, 216, .25) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(90deg, black, transparent 72%);
}
.hero-kicker {
  position: relative; z-index: 1;
  color: var(--fdtdx-cyan);
  font: 650 .8rem/1.4 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: .17em;
  text-transform: uppercase;
}
.fdtdx-hero h1 {
  position: relative; z-index: 1;
  max-width: 760px;
  margin: .85rem 0 1rem;
  color: #fff;
  font-size: clamp(2.7rem, 7vw, 5.7rem);
  line-height: .98;
  letter-spacing: -.06em;
}
.hero-gradient {
  background: linear-gradient(92deg, #ffd84d 0%, #ea8bb8 44%, #bd45ef 82%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-lede {
  position: relative; z-index: 1;
  max-width: 660px;
  margin: 1.4rem 0 2rem;
  color: #bfd3df;
  font-size: 1.17rem;
  line-height: 1.7;
}
.hero-actions { position: relative; z-index: 1; display: flex; flex-wrap: wrap; gap: .8rem; }
.hero-button {
  display: inline-block;
  padding: .78rem 1.2rem;
  border-radius: 9px;
  border: 1px solid rgba(255,255,255,.18);
  background: rgba(255,255,255,.07);
  color: #fff !important;
  font-weight: 650;
  text-decoration: none !important;
  transition: transform .18s ease, background .18s ease;
}
.hero-button.primary { border: 0; background: linear-gradient(105deg, #26bdb2, #328ddd); }
.hero-button:hover { transform: translateY(-2px); background-color: rgba(255,255,255,.13); }

.metrics-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  margin: 1.7rem 0 3rem;
  border: 1px solid var(--pst-color-border);
  border-radius: 15px;
  background: var(--pst-color-border);
}
.metric-card { padding: 1.25rem; background: var(--pst-color-on-background); }
.metric-value { display: block; color: var(--pst-color-primary); font-size: 2rem; font-weight: 760; line-height: 1; }
.metric-label { display: block; margin-top: .45rem; color: var(--pst-color-text-muted); font-size: .78rem; letter-spacing: .04em; text-transform: uppercase; }

.sd-card { border-radius: 14px !important; border-color: var(--pst-color-border) !important; }
.sd-card:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(2, 15, 23, .13); }
.sd-card .sd-card-title { font-weight: 720; }
.sd-card-body { line-height: 1.55; }
.feature-card { min-height: 205px; }
.feature-icon { display: block; margin-bottom: .75rem; font-size: 1.7rem; }
.device-ladder-card {
  overflow: hidden;
  border: 1px solid rgba(48, 213, 200, .38) !important;
  background:
    radial-gradient(circle at 92% 15%, rgba(189, 69, 239, .14), transparent 35%),
    var(--pst-color-on-background) !important;
}
.sd-card img {
  display: block;
  width: 100%;
  margin: .8rem 0 0;
  border: 1px solid var(--pst-color-border);
  border-radius: 9px;
}

.figure-shell {
  overflow: hidden;
  margin: 1.6rem 0;
  border: 1px solid var(--pst-color-border);
  border-radius: 15px;
  background: #081725;
}
.figure-shell img { display: block; width: 100%; margin: 0; }
.figure-caption { padding: .8rem 1rem; color: var(--pst-color-text-muted); font-size: .86rem; }

.validation-badge {
  display: inline-block;
  padding: .28rem .6rem;
  border: 1px solid rgba(48, 213, 200, .4);
  border-radius: 999px;
  background: rgba(48, 213, 200, .08);
  color: var(--pst-color-primary);
  font: 600 .75rem/1.4 ui-monospace, monospace;
}
.case-meta { display: flex; flex-wrap: wrap; gap: .55rem; margin: 1rem 0 1.5rem; }
.case-meta span { padding: .25rem .58rem; border-radius: 6px; background: var(--pst-color-surface); color: var(--pst-color-text-muted); font-size: .78rem; }
.metric-pass { color: #30c99a; font-weight: 700; }
.metric-blocked { color: #f2b957; font-weight: 700; }
table.docutils { width: 100%; }
.bd-article table { font-variant-numeric: tabular-nums; }

.truth-note {
  margin: 1.5rem 0;
  padding: 1rem 1.1rem;
  border-left: 3px solid var(--fdtdx-purple);
  background: color-mix(in srgb, var(--pst-color-secondary) 7%, transparent);
}

.optimizer-dashboard-meta {
  display: flex;
  flex-wrap: wrap;
  gap: .55rem;
  margin: 1rem 0;
}
.live-dashboard {
  margin: .5rem 0 1.25rem;
  padding: .75rem .9rem;
  border: 1px solid rgba(48, 201, 154, .45);
  border-radius: 10px;
  background: rgba(48, 201, 154, .07);
  font: 600 .76rem/1.4 ui-monospace, monospace;
}
.live-dashboard-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .55rem 1.1rem;
  color: var(--pst-color-text-muted);
}
.live-dashboard-row strong { color: #30c99a; letter-spacing: .06em; }
.live-dot {
  width: .65rem;
  height: .65rem;
  border-radius: 50%;
  background: #30c99a;
  box-shadow: 0 0 0 .28rem rgba(48, 201, 154, .14);
  animation: live-pulse 1.8s ease-out infinite;
}
.live-dashboard.is-paused {
  border-color: rgba(216, 170, 72, .45);
  background: rgba(216, 170, 72, .07);
}
.live-dashboard.is-paused .live-dashboard-row strong { color: #d8aa48; }
.live-dot.is-paused {
  background: #d8aa48;
  box-shadow: none;
  animation: none;
}
@keyframes live-pulse {
  0%, 100% { box-shadow: 0 0 0 .22rem rgba(48, 201, 154, .12); }
  50% { box-shadow: 0 0 0 .48rem rgba(48, 201, 154, 0); }
}
.optimizer-metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: .8rem;
  margin: 1rem 0 1.25rem;
}
.optimizer-metric {
  min-width: 0;
  padding: 1rem;
  border: 1px solid var(--pst-color-border);
  border-radius: 12px;
  background: var(--pst-color-on-background);
}
.optimizer-metric span,
.optimizer-metric small {
  display: block;
  color: var(--pst-color-text-muted);
  font-size: .72rem;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.optimizer-metric strong {
  display: block;
  margin: .35rem 0;
  color: var(--pst-color-primary);
  font-size: 1.75rem;
  font-variant-numeric: tabular-nums;
}
.optimizer-target-row {
  display: grid;
  grid-template-columns: minmax(150px, 1.2fr) minmax(160px, 3fr) 58px;
  gap: .8rem;
  align-items: center;
  margin: .55rem 0;
  color: var(--pst-color-text-muted);
  font-size: .82rem;
}
.optimizer-target-row > div {
  overflow: hidden;
  height: 9px;
  border-radius: 999px;
  background: var(--pst-color-surface);
}
.optimizer-target-row i {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--fdtdx-cyan), var(--fdtdx-purple));
}
.optimizer-target-row b {
  color: var(--pst-color-text-base);
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.campaign-gallery {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.5rem;
  margin: 1.4rem 0 2rem;
}
.campaign-card {
  display: flex;
  min-width: 0;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--pst-color-border);
  border-radius: 15px;
  background: var(--pst-color-on-background);
  color: var(--pst-color-text-base) !important;
  text-decoration: none !important;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.campaign-card:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--pst-color-primary) 55%, var(--pst-color-border));
  box-shadow: 0 14px 34px rgba(2, 15, 23, .14);
}
.campaign-card-head { padding: 1rem 1rem .7rem; }
.campaign-card-head span {
  display: inline-block;
  margin-bottom: .45rem;
  padding: .22rem .5rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--pst-color-secondary) 12%, transparent);
  color: var(--pst-color-secondary);
  font: 700 .68rem/1.3 ui-monospace, monospace;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.campaign-live .campaign-card-head span {
  background: rgba(48, 201, 154, .12);
  color: #1aa477;
}
.campaign-card h2 {
  margin: 0;
  color: var(--pst-color-text-base);
  font-size: 1.12rem;
  line-height: 1.3;
}
.campaign-card-images {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  height: clamp(300px, 38vw, 420px);
  padding: .45rem;
  background: color-mix(in srgb, var(--pst-color-surface) 82%, #07131e);
}

.campaign-card-images-three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.campaign-card-images img {
  width: 100%;
  height: 100%;
  min-width: 0;
  object-fit: contain;
  background: var(--pst-color-on-background);
}
.campaign-card p {
  margin: 0;
  padding: .85rem 1rem 1rem;
  color: var(--pst-color-text-muted);
  font-size: .86rem;
  line-height: 1.55;
}

@media (max-width: 760px) {
  .fdtdx-hero { min-height: auto; padding: 3rem 1.45rem 2.5rem; }
  .metrics-strip { grid-template-columns: repeat(2, 1fr); }
  .optimizer-metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .optimizer-target-row { grid-template-columns: 1fr 48px; }
  .optimizer-target-row > span { grid-column: 1 / -1; }
  .campaign-card-images {
    grid-template-columns: 1fr;
    height: auto;
  }
  .campaign-card-images img { height: 220px; }
}