* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
}

body {
  background: #000;
  color: #ff6600;
  font-family: 'Courier New', Courier, monospace;
  overflow-x: hidden;
}

.backdrop {
  background-image:
    linear-gradient(rgba(255, 102, 0, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 102, 0, 0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  inset: 0;
  pointer-events: none;
  position: fixed;
  z-index: -2;
}

.scanlines {
  background: repeating-linear-gradient(
    0deg,
    rgba(0, 0, 0, 0.04) 0px,
    rgba(0, 0, 0, 0.04) 1px,
    transparent 1px,
    transparent 3px
  );
  inset: 0;
  pointer-events: none;
  position: fixed;
  z-index: -1;
}

/* ── Topbar ── */
.topbar {
  align-items: center;
  background: #000;
  border-bottom: 1px solid #1a1a1a;
  display: flex;
  gap: 1rem;
  height: 48px;
  justify-content: space-between;
  padding: 0 1.25rem;
  position: sticky;
  top: 0;
  z-index: 100;
}

.brand-block {
  align-items: center;
  display: flex;
  gap: 1rem;
}

.brand-mark {
  color: #ff6600;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.2em;
}

.brand-block h1 {
  color: #ff9900;
  font-family: 'Courier New', monospace;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  margin: 0;
}

.brand-block p {
  color: #444;
  font-size: 10px;
  margin: 1px 0 0;
}

.topbar-meta {
  align-items: center;
  display: flex;
  gap: 0.75rem;
}

.meta-value {
  color: #ff9900;
  font-size: 11px;
}

/* ── Ticker ── */
.ticker {
  background: #050505;
  border-bottom: 1px solid #111;
  overflow: hidden;
  padding: 5px 0;
  position: relative;
}

.ticker::before,
.ticker::after {
  bottom: 0;
  content: "";
  position: absolute;
  top: 0;
  width: 60px;
  z-index: 1;
}

.ticker::before {
  background: linear-gradient(90deg, #050505, transparent);
  left: 0;
}

.ticker::after {
  background: linear-gradient(270deg, #050505, transparent);
  right: 0;
}

.ticker-track {
  animation: ticker-scroll 30s linear infinite;
  color: #ff6600;
  display: inline-flex;
  font-size: 10px;
  gap: 2rem;
  letter-spacing: 0.09em;
  min-width: max-content;
  padding-left: 100%;
  white-space: nowrap;
}

@keyframes ticker-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-100%); }
}

/* ── Tab bar ── */
.tabbar {
  background: #000;
  border-bottom: 1px solid #111;
  display: flex;
  padding: 0 1.25rem;
}

.tab {
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: #444;
  cursor: pointer;
  font-family: 'Courier New', monospace;
  font-size: 10px;
  letter-spacing: 0.13em;
  padding: 10px 16px;
  text-transform: uppercase;
  transition: color 150ms, border-color 150ms, background 150ms;
}

.tab:hover {
  border-bottom-color: #333;
  color: #ff6600;
}

.tab.active {
  background: #ff6600;
  border-bottom-color: #ff6600;
  color: #000;
}

/* ── Shell ── */
.shell {
  margin: 0 auto;
  max-width: 1500px;
  padding: 1rem 1.25rem 5rem;
}

.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ── Grid ── */
.grid { display: grid; gap: 1rem; }

.hero-grid {
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr) minmax(0, 1fr);
  margin-bottom: 1rem;
}

.two-col {
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  margin-bottom: 1rem;
}

/* ── Panel ── */
.panel {
  background: #0a0a0a;
  border: 1px solid #1a1a1a;
  overflow: hidden;
  padding: 1rem;
  position: relative;
}

.panel-hero {
  background: #0d0a00;
  border-color: #2a1800;
}

.panel-header {
  align-items: center;
  border-bottom: 1px solid #111;
  color: #ff6600;
  display: flex;
  font-size: 10px;
  font-weight: 700;
  justify-content: space-between;
  letter-spacing: 0.14em;
  margin-bottom: 1rem;
  padding-bottom: 8px;
  text-transform: uppercase;
}

.micro-copy {
  color: #333;
  font-size: 9px;
  letter-spacing: 0.1em;
}

/* ── Hero ── */
.hero-stack {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.kicker {
  color: #ff6600;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.14em;
  margin: 0;
  text-transform: uppercase;
}

.hero-title {
  color: #ff9900;
  font-size: clamp(13px, 0.9rem + 0.4vw, 18px);
  font-weight: 700;
  letter-spacing: 0.05em;
  margin-top: 0.2rem;
}

.hero-copy {
  color: #666;
  font-size: 11px;
  line-height: 1.65;
  margin: 0;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* ── Links ── */
.action-link {
  background: #111;
  border: 1px solid #222;
  color: #ff6600;
  font-size: 10px;
  letter-spacing: 0.08em;
  padding: 5px 12px;
  text-decoration: none;
  text-transform: uppercase;
  transition: background 150ms, color 150ms;
}

.action-link:hover {
  background: #ff6600;
  color: #000;
}

.runtime-link {
  color: #ff6600;
  font-size: 10px;
  text-decoration: none;
}

.runtime-link:hover {
  color: #ff9900;
  text-decoration: underline;
}

.footer a {
  color: #ff6600;
  text-decoration: none;
}

.footer a:hover {
  color: #ff9900;
}

/* ── Metric / data blocks ── */
.metric-stack,
.stack {
  display: grid;
  gap: 0.6rem;
}

.metric-card,
.cluster-card,
.issue-card,
.summary-box {
  background: #050505;
  border: 1px solid #1a1a1a;
}

.metric-card,
.cluster-card,
.issue-card {
  padding: 0.75rem;
}

.metric-label {
  color: #444;
  display: block;
  font-size: 9px;
  letter-spacing: 0.12em;
  margin-bottom: 3px;
  text-transform: uppercase;
}

.metric-value {
  color: #fff;
  font-size: 20px;
  font-weight: 700;
}

.metric-subtle {
  color: #444;
  font-size: 10px;
  margin-top: 2px;
}

.stats-grid {
  display: grid;
  gap: 0.6rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-bottom: 0.75rem;
}

.stat-box {
  background: #050505;
  border: 1px solid #1a1a1a;
  padding: 8px 10px;
}

.stat-box .metric-value {
  font-size: 18px;
}

/* ── Meta / row lists ── */
.meta-list {
  display: grid;
  gap: 0.2rem;
}

.meta-line,
.metric-line,
.list-row,
.table-row,
.file-row,
.signal-row,
.source-row,
.feature-row {
  align-items: center;
  border-bottom: 1px solid #0d0d0d;
  display: grid;
  font-size: 11px;
  gap: 0.6rem;
  padding: 6px 0;
}

.meta-line   { grid-template-columns: 1fr auto; }
.metric-line { grid-template-columns: 1fr auto auto; }
.list-row    { grid-template-columns: 1.55fr auto auto; }

.meta-line:last-child,
.metric-line:last-child,
.list-row:last-child,
.table-row:last-child,
.file-row:last-child,
.signal-row:last-child,
.source-row:last-child,
.feature-row:last-child {
  border-bottom: none;
}

.meta-line span,
.metric-line span,
.list-row span { color: #666; }

.meta-line strong,
.metric-line strong,
.list-row strong { color: #ff9900; }

.metric-card strong { color: #fff; }

/* ── Tables ── */
.table,
.file-list,
.signal-table,
.source-table {
  display: grid;
  gap: 0;
}

.table-head,
.signal-head,
.source-head {
  background: #0d0d0d;
  border-bottom: 1px solid #1a1a1a;
  color: #444;
  font-size: 9px;
  letter-spacing: 0.1em;
  padding: 6px 8px;
  text-transform: uppercase;
}

.table-head,
.table-row   { grid-template-columns: 1.15fr 0.8fr 0.7fr 0.85fr; }
.table-row   { padding-left: 4px; padding-right: 4px; }
.file-row    { grid-template-columns: 1.5fr auto; }

.signal-head,
.signal-row  { grid-template-columns: 1fr 0.75fr 0.65fr 0.65fr 0.7fr; }

.source-head,
.source-row  { grid-template-columns: 1.05fr 0.7fr 1.25fr; }

/* ── Pills ── */
.pill {
  border: 1px solid transparent;
  display: inline-flex;
  font-size: 9px;
  letter-spacing: 0.1em;
  padding: 2px 8px;
  text-transform: uppercase;
}

.pill-good {
  background: rgba(0, 200, 100, 0.1);
  border-color: rgba(0, 200, 100, 0.2);
  color: #00c864;
}

.pill-bad {
  background: rgba(220, 50, 50, 0.1);
  border-color: rgba(220, 50, 50, 0.2);
  color: #dc3232;
}

.pill-warn {
  background: rgba(255, 102, 0, 0.1);
  border-color: rgba(255, 102, 0, 0.2);
  color: #ff6600;
}

.pill-info {
  background: rgba(50, 130, 220, 0.1);
  border-color: rgba(50, 130, 220, 0.2);
  color: #3282dc;
}

/* ── Cluster / issue cards ── */
.cluster-card h4,
.issue-card h4 {
  color: #ff9900;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  margin: 0 0 0.5rem;
  text-transform: uppercase;
}

.cluster-card p,
.issue-card p {
  color: #666;
  font-size: 11px;
  line-height: 1.6;
  margin: 0;
}

/* ── Feature importance ── */
.feature-row { grid-template-columns: 1.25fr minmax(0, 1fr) 0.55fr; }

.bar-rail {
  background: #111;
  height: 7px;
  overflow: hidden;
}

.bar-fill {
  background: #ff6600;
  height: 100%;
  transition: width 600ms ease;
}

/* ── Summary ── */
.summary-box {
  color: #666;
  font-size: 11px;
  margin: 0;
  max-height: 400px;
  overflow: auto;
  padding: 0.75rem;
  white-space: pre-wrap;
}

/* ── Footer ── */
.footer {
  align-items: center;
  background: #000;
  border-top: 1px solid #111;
  bottom: 0;
  color: #333;
  display: flex;
  flex-wrap: wrap;
  font-size: 10px;
  gap: 0.75rem;
  justify-content: space-between;
  left: 0;
  padding: 7px 1.25rem;
  position: sticky;
  right: 0;
  z-index: 100;
}

.footer-links {
  display: inline-flex;
  gap: 0.85rem;
}

/* ── State colours ── */
.positive   { color: #00c864; }
.negative   { color: #dc3232; }
.warning    { color: #ff9900; }
.info       { color: #3282dc; }
.muted      { color: #444; }

.empty-state {
  color: #333;
  font-size: 11px;
  padding: 1rem 0;
  text-align: center;
}

/* ── Responsive ── */
@media (max-width: 1180px) {
  .hero-grid,
  .two-col { grid-template-columns: 1fr; }
}

@media (max-width: 820px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
    height: auto;
    padding: 0.6rem 1rem;
  }

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

  .topbar-meta,
  .tabbar { flex-wrap: wrap; }

  .stats-grid,
  .signal-head, .signal-row,
  .source-head, .source-row,
  .feature-row,
  .table-head,  .table-row,
  .list-row,    .file-row,
  .meta-line,   .metric-line { grid-template-columns: 1fr; }

  .shell { padding-left: 0.75rem; padding-right: 0.75rem; }

  .ticker-track { animation-duration: 38s; }
}