/* Signal Index — spectrum catalog (exclusive to catalog.php) */
:root {
  /* Tideboard-aligned Signal Index */
  --sx-ink: #042A28;
  --sx-ink-soft: #2F5C58;
  --sx-paper: #EFFFFA;
  --sx-panel: #FFFFFF;
  --sx-cyan: #024E4A;
  --sx-cyan-deep: #013533;
  --sx-amber: #FF9B71;
  --sx-line: rgba(4, 42, 40, 0.12);
  --sx-shadow: 0 18px 40px rgba(1, 53, 51, 0.08);
  --sx-font-display: "Bricolage Grotesque", "Sora", system-ui, sans-serif;
  --sx-font-body: "Plus Jakarta Sans", "Sora", system-ui, sans-serif;
  --sx-font-mono: "IBM Plex Mono", Consolas, monospace;
}

body.sx-signal {
  margin: 0;
  min-height: 100vh;
  color: var(--sx-ink);
  font-family: var(--sx-font-body);
  background:
    radial-gradient(ellipse 70% 40% at 100% 0%, rgba(2, 78, 74, 0.14), transparent 55%),
    radial-gradient(ellipse 50% 35% at 0% 60%, rgba(255, 155, 113, 0.12), transparent 50%),
    linear-gradient(180deg, #EFFFFA 0%, var(--sx-paper) 40%, #F4FBF8 100%);
}

body.sx-signal a {
  color: inherit;
  text-decoration: none;
}

body.sx-signal a:hover {
  color: var(--sx-cyan-deep);
}

.sx-mast {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
  padding: 0.95rem clamp(1rem, 4vw, 2.5rem);
  background: var(--sx-ink);
  color: #EFFFFA;
}

.sx-brand {
  font-size: clamp(1.2rem, 2.3vw, 1.55rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: #fff !important;
}

.sx-brand em {
  font-style: normal;
  font-weight: 500;
  color: var(--sx-amber);
}

.sx-mast-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.sx-mast-nav a {
  color: rgba(239, 255, 250, 0.7);
  border-bottom: 2px solid transparent;
  padding-bottom: 0.15rem;
}

.sx-mast-nav a.is-here,
.sx-mast-nav a:hover {
  color: #fff !important;
  border-bottom-color: var(--sx-cyan);
}

.sx-console {
  max-width: 1120px;
  margin: 0 auto;
  padding: clamp(1.4rem, 4vw, 2.5rem) clamp(1rem, 4vw, 2.5rem) 3rem;
}

.sx-crumb {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--sx-ink-soft);
}

.sx-crumb a::after {
  content: "/";
  margin-left: 0.5rem;
  opacity: 0.45;
}

.sx-kicker {
  margin: 0 0 0.4rem;
  font-family: var(--sx-font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--sx-cyan-deep);
}

.sx-hero h1 {
  margin: 0 0 0.7rem;
  font-size: clamp(2.2rem, 5.5vw, 3.4rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.035em;
  max-width: 14ch;
}

.sx-hero h1 em {
  font-style: normal;
  color: var(--sx-cyan);
}

.sx-lede {
  margin: 0 0 1.25rem;
  max-width: 38rem;
  font-size: 1.05rem;
  line-height: 1.55;
  color: var(--sx-ink-soft);
}

.sx-meters {
  list-style: none;
  margin: 0 0 2rem;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.sx-meters li {
  min-width: 7rem;
  padding: 0.8rem 0.95rem;
  background: var(--sx-panel);
  border: 1px solid var(--sx-line);
  border-radius: 4px;
  box-shadow: var(--sx-shadow);
}

.sx-meters strong {
  display: block;
  font-family: var(--sx-font-mono);
  font-size: 1.45rem;
  font-weight: 700;
}

.sx-meters span {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--sx-ink-soft);
}

.sx-spectrum {
  margin-bottom: 1.25rem;
}

.sx-spectrum-head,
.sx-tickers-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem 1rem;
  align-items: baseline;
  margin-bottom: 0.85rem;
}

.sx-spectrum-head h2,
.sx-tickers-head h2 {
  margin: 0;
  font-size: 1.2rem;
  font-weight: 800;
}

.sx-spectrum-head span,
.sx-tickers-head span {
  font-size: 0.85rem;
  color: var(--sx-ink-soft);
  font-weight: 600;
}

.sx-bands {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 0.55rem;
}

.sx-band {
  display: grid;
  grid-template-columns: 10px 1fr auto;
  gap: 0.55rem;
  align-items: center;
  padding: 0.75rem 0.8rem;
  background: var(--sx-panel);
  border: 1px solid var(--sx-line);
  border-radius: 10px;
  transition: transform 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

.sx-band i {
  width: 8px;
  height: 28px;
  border-radius: 999px;
  background: hsl(var(--sx-hue, 190) 70% 45%);
  box-shadow: 0 0 12px hsla(var(--sx-hue, 190), 70%, 45%, 0.45);
}

.sx-band strong {
  font-size: 0.82rem;
  font-weight: 700;
  line-height: 1.25;
}

.sx-band em {
  font-style: normal;
  font-family: var(--sx-font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--sx-ink-soft);
}

.sx-band:hover,
.sx-band.is-live {
  border-color: hsl(var(--sx-hue, 190) 70% 40%);
  box-shadow: 0 0 0 2px hsla(var(--sx-hue, 190), 70%, 45%, 0.2);
  transform: translateY(-1px);
  color: inherit;
}

.sx-band.is-live {
  background: linear-gradient(90deg, hsla(var(--sx-hue, 190), 70%, 45%, 0.12), #fff 55%);
}

.sx-modes {
  display: grid;
  grid-template-columns: minmax(180px, 1.2fr) minmax(220px, 1.4fr) auto;
  gap: 0.75rem 1rem;
  align-items: end;
  margin-bottom: 1.5rem;
  padding: 1rem 1.05rem;
  background: var(--sx-ink);
  color: #EFFFFA;
  border-radius: 14px;
  box-shadow: var(--sx-shadow);
}

.sx-search {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  min-width: 0;
}

.sx-search span,
.sx-sort legend {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(239, 255, 250, 0.55);
}

.sx-search input {
  width: 100%;
  box-sizing: border-box;
  padding: 0.7rem 0.8rem;
  border: 1px solid rgba(239, 255, 250, 0.2);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  font-family: var(--sx-font-display);
  font-size: 0.95rem;
}

.sx-search input:focus {
  outline: 2px solid var(--sx-amber);
  outline-offset: 1px;
}

.sx-sort {
  margin: 0;
  padding: 0;
  border: 0;
  min-width: 0;
}

.sx-sort-modes {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.sx-mode {
  cursor: pointer;
}

.sx-mode input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.sx-mode span {
  display: inline-flex;
  padding: 0.55rem 0.75rem;
  border-radius: 999px;
  border: 1px solid rgba(239, 255, 250, 0.22);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: rgba(239, 255, 250, 0.8);
}

.sx-mode.is-on span,
.sx-mode:hover span {
  background: var(--sx-amber);
  border-color: var(--sx-amber);
  color: var(--sx-ink);
}

.sx-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.2rem;
  border: 0;
  border-radius: 999px;
  background: var(--sx-amber);
  color: var(--sx-ink) !important;
  font-family: var(--sx-font-body);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
  box-shadow: 0 6px 0 rgba(180, 90, 50, 0.35);
  transition: transform 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.sx-btn:hover,
.sx-btn:focus-visible {
  background: #FFB08E;
  transform: translateY(-2px);
  color: var(--sx-ink) !important;
  box-shadow: 0 8px 0 rgba(180, 90, 50, 0.3);
  outline: 2px solid var(--sx-cyan);
  outline-offset: 2px;
}

.sx-tickers {
  margin-bottom: 1.75rem;
}

.sx-ticker-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.sx-ticker {
  animation: sx-lock 0.4s ease both;
  animation-delay: calc(var(--sx-i, 0) * 28ms);
}

@keyframes sx-lock {
  from { opacity: 0; transform: translateX(-10px); }
  to { opacity: 1; transform: translateX(0); }
}

.sx-ticker-hit {
  display: grid;
  grid-template-columns: 42px 56px 1fr auto;
  gap: 0.85rem;
  align-items: center;
  padding: 0.7rem 0.9rem;
  background: var(--sx-panel);
  border: 1px solid var(--sx-line);
  border-radius: 12px;
  box-shadow: var(--sx-shadow);
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.sx-ticker-hit:hover {
  border-color: var(--sx-cyan);
  transform: translateX(3px);
  color: inherit;
}

.sx-ticker-wave {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 3px;
  height: 28px;
}

.sx-ticker-wave i {
  flex: 1;
  border-radius: 2px;
  background: var(--sx-cyan);
  opacity: 0.35;
}

.sx-ticker-wave i:nth-child(1) { height: calc(var(--sx-amp) * 0.35%); }
.sx-ticker-wave i:nth-child(2) { height: calc(var(--sx-amp) * 0.55%); opacity: 0.5; }
.sx-ticker-wave i:nth-child(3) { height: calc(var(--sx-amp) * 0.85%); opacity: 0.75; }
.sx-ticker-wave i:nth-child(4) { height: calc(var(--sx-amp) * 0.6%); opacity: 0.55; }
.sx-ticker-wave i:nth-child(5) { height: calc(var(--sx-amp) * 0.4%); }

.sx-ticker-media {
  width: 56px;
  height: 56px;
  border-radius: 8px;
  overflow: hidden;
  background: #F4FBF8;
}

.sx-ticker-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.sx-ticker-copy {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.sx-ticker-sku {
  font-family: var(--sx-font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--sx-cyan-deep);
}

.sx-ticker-copy strong {
  font-size: 0.98rem;
  font-weight: 700;
  line-height: 1.25;
}

.sx-ticker-copy em {
  font-style: normal;
  font-size: 0.8rem;
  color: var(--sx-ink-soft);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sx-ticker-price {
  font-family: var(--sx-font-mono);
  font-size: 1rem;
  font-weight: 700;
  white-space: nowrap;
}

.sx-empty {
  padding: 2rem 1.25rem;
  text-align: center;
  background: var(--sx-panel);
  border-radius: 14px;
  border: 1px dashed var(--sx-line);
}

.sx-empty h3 {
  margin: 0 0 0.4rem;
  font-size: 1.3rem;
}

.sx-empty p {
  margin: 0 0 1rem;
  color: var(--sx-ink-soft);
}

.sx-pages {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  margin-top: 1.25rem;
  font-family: var(--sx-font-mono);
  font-size: 0.85rem;
  font-weight: 600;
}

.sx-pages a {
  padding: 0.45rem 0.8rem;
  border-radius: 999px;
  background: var(--sx-panel);
  border: 1px solid var(--sx-line);
}

.sx-bridge {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  padding: 1.15rem 1.2rem;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--sx-line);
  border-radius: 14px;
}

.sx-bridge strong {
  display: block;
  margin-bottom: 0.2rem;
}

.sx-bridge p {
  margin: 0;
  color: var(--sx-ink-soft);
  font-size: 0.92rem;
}

.sx-colophon {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
  max-width: 1120px;
  margin: 0 auto;
  padding: 1.25rem clamp(1rem, 4vw, 2.5rem) 2.5rem;
  border-top: 1px solid var(--sx-line);
  font-size: 0.85rem;
  color: var(--sx-ink-soft);
}

.sx-colophon nav {
  display: flex;
  gap: 1rem;
  font-weight: 700;
}

@media (max-width: 900px) {
  .sx-modes {
    grid-template-columns: 1fr;
  }

  .sx-btn {
    width: 100%;
  }
}

@media (max-width: 640px) {
  .sx-ticker-hit {
    grid-template-columns: 48px 1fr auto;
    grid-template-areas:
      "media copy price"
      "wave copy price";
  }

  .sx-ticker-wave { grid-area: wave; height: 18px; }
  .sx-ticker-media { grid-area: media; width: 48px; height: 48px; }
  .sx-ticker-copy { grid-area: copy; }
  .sx-ticker-price { grid-area: price; align-self: start; }

  .sx-hero h1 {
    max-width: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .sx-ticker {
    animation: none !important;
  }
}

/* Catalog / Signal Index button lock */
body.sx-signal.dna-exclusive .page-main .sx-btn {
  background: var(--sx-amber) !important;
  color: var(--sx-ink) !important;
  border: 0 !important;
  box-shadow: 0 6px 0 rgba(180, 90, 50, 0.35) !important;
}

body.sx-signal.dna-exclusive .page-main .sx-btn:hover,
body.sx-signal.dna-exclusive .page-main .sx-btn:focus-visible {
  background: #FFB08E !important;
  color: var(--sx-ink) !important;
}

body.sx-signal.dna-exclusive .page-main .sx-mode.is-on span,
body.sx-signal.dna-exclusive .page-main .sx-mode:hover span {
  background: var(--sx-amber) !important;
  color: var(--sx-ink) !important;
  border-color: var(--sx-amber) !important;
}