/* ============================================================
   signalOPS — Sub-page styles
   Used by subpage.html
   ============================================================ */

/* Shell -------------------------------------------------- */
.sp-shell {
  position: relative;
  z-index: 1;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px 80px;
}

/* Breadcrumb --------------------------------------------- */
.sp-breadcrumb {
  display: flex; align-items: center; gap: 10px;
  padding: 36px 0 24px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--ink-muted);
}
.sp-breadcrumb a { color: var(--ink); }
.sp-breadcrumb b { font-weight: 700; }
.sp-breadcrumb .sep { color: var(--ink-dim); }
.sp-breadcrumb .signal { color: var(--signal); }
.sp-breadcrumb .muted { color: var(--ink-muted); }

/* Page hero ---------------------------------------------- */
.sp-hero {
  padding: 56px 0 96px;
  display: flex; flex-direction: column; gap: 20px;
  border-bottom: 1px solid var(--border-subtle);
}
.sp-title {
  font-family: var(--font-display);
  font-size: clamp(48px, 7vw, 96px);
  font-weight: 500;
  line-height: 0.98;
  letter-spacing: -0.04em;
  margin: 12px 0 8px;
}
.sp-title .muted { color: var(--ink-muted); display: block; }
.sp-lede {
  font-size: 19px;
  line-height: 1.55;
  color: var(--ink-muted);
  max-width: 720px;
  margin: 0;
}
.sp-hero-metric {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 32px;
  align-items: center;
  padding: 28px 0 0;
  margin-top: 8px;
  border-top: 1px solid var(--border-subtle);
}
.sp-hero-metric .v {
  display: block;
  font-family: var(--font-display);
  font-size: 56px;
  font-weight: 500;
  color: var(--signal);
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
  line-height: 1;
}
.sp-hero-metric .l {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-top: 6px;
}
.sp-hero-pipeline { width: 100%; opacity: 0.7; }

/* Steps -------------------------------------------------- */
.sp-steps {
  display: flex; flex-direction: column; gap: 36px;
  padding: 80px 0;
}
.sp-step {
  display: flex; flex-direction: column; gap: 24px;
}
.sp-step-head { display: grid; grid-template-columns: 88px 1fr; gap: 32px; align-items: start; }
.sp-step-num {
  font-family: var(--font-mono);
  font-size: 36px;
  color: var(--signal);
  font-weight: 500;
  letter-spacing: -0.02em;
  padding-top: 8px;
  border-top: 2px solid var(--signal);
}
.sp-step-title {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 500;
  letter-spacing: -0.02em;
  margin: 4px 0 12px;
  line-height: 1.1;
}
.sp-step-body {
  font-size: 16px;
  line-height: 1.55;
  color: var(--ink-muted);
  margin: 0;
  max-width: 720px;
}

/* AUTOMATION SLOT — the empty drop zone --------------- */
.sp-slot {
  margin-left: 120px;
  position: relative;
}
.sp-slot-frame {
  position: relative;
  min-height: 280px;
  padding: 48px 40px;
  background:
    repeating-linear-gradient(
      135deg,
      transparent 0,
      transparent 18px,
      rgba(255,255,255,0.015) 18px,
      rgba(255,255,255,0.015) 36px
    ),
    var(--surface-lo);
  border: 1px dashed var(--border-strong);
  border-radius: var(--r-5);
  display: flex; align-items: center; justify-content: center;
  transition: all var(--dur-base) var(--ease-out);
}
.sp-slot-frame:hover {
  border-color: var(--signal-line);
  background:
    repeating-linear-gradient(
      135deg,
      transparent 0,
      transparent 18px,
      var(--signal-soft) 18px,
      rgba(61,245,165,0.04) 36px
    ),
    var(--surface-lo);
}
.sp-slot-corner {
  position: absolute;
  width: 12px; height: 12px;
  border-color: var(--ink-dim);
  border-style: solid;
}
.sp-slot-corner-tl { top: 8px; left: 8px; border-width: 1px 0 0 1px; }
.sp-slot-corner-tr { top: 8px; right: 8px; border-width: 1px 1px 0 0; }
.sp-slot-corner-bl { bottom: 8px; left: 8px; border-width: 0 0 1px 1px; }
.sp-slot-corner-br { bottom: 8px; right: 8px; border-width: 0 1px 1px 0; }

.sp-slot-fill {
  display: flex; flex-direction: column; align-items: center; gap: 14px;
  color: var(--ink-dim);
  text-align: center;
}
.sp-slot-icon {
  color: var(--ink-muted);
  opacity: 0.7;
}
.sp-slot-label {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
}
.sp-slot-hint {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-muted);
  line-height: 1.6;
  letter-spacing: 0.04em;
}
.sp-slot-hint .so-mono-label { font-size: 10px; opacity: 0.7; }

.sp-dashboard-preview {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.sp-dashboard-top {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
}

.sp-dashboard-title {
  margin-top: 6px;
  font-family: var(--font-display);
  font-size: 24px;
  letter-spacing: -0.02em;
}

.sp-dashboard-status {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--signal);
  padding: 6px 10px;
  border: 1px solid var(--signal-line);
  border-radius: var(--r-pill);
  background: color-mix(in oklab, var(--signal-soft) 25%, var(--surface));
}

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

.sp-dashboard-metric {
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: var(--r-4);
  background: var(--surface);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.sp-dashboard-metric .label,
.sp-dashboard-foot {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-muted);
}

.sp-dashboard-metric .value {
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.sp-dashboard-metric .delta {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--signal);
}

.sp-dashboard-body {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 12px;
}

.sp-dashboard-node-card,
.sp-dashboard-chart-card {
  border: 1px solid var(--border);
  border-radius: var(--r-4);
  background: var(--surface-lo);
  padding: 16px;
}

.sp-dashboard-node-card svg {
  margin-top: 12px;
}

.sp-dashboard-chart-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 14px;
}

.sp-dashboard-bars {
  display: flex;
  align-items: end;
  gap: 8px;
  min-height: 92px;
  padding: 8px 2px 2px;
}

.sp-dashboard-bars span {
  flex: 1 1 0;
  border-radius: 999px 999px 4px 4px;
  background: linear-gradient(180deg, var(--signal) 0%, rgba(61,245,165,0.12) 100%);
  box-shadow: 0 0 0 1px rgba(61,245,165,0.12) inset;
}

.sp-dashboard-foot {
  color: var(--ink-muted);
}

/* Related ------------------------------------------------ */
.sp-related {
  padding: 56px 0;
  border-top: 1px solid var(--border-subtle);
  display: flex; flex-direction: column; gap: 20px;
}
.sp-related-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px;
}
.sp-related-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-5);
  padding: 20px;
  display: flex; flex-direction: column; gap: 8px;
  color: var(--ink);
  transition: all var(--dur-base) var(--ease-out);
}
.sp-related-card:hover {
  border-color: var(--signal-line);
  transform: translateY(-3px);
}
.sp-related-card .title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 500;
  letter-spacing: -0.02em;
  margin-top: 4px;
}
.sp-related-card .cta {
  margin-top: auto; padding-top: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--signal);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.sp-related-card .cta span { display: inline-block; transition: transform var(--dur-base); }
.sp-related-card:hover .cta span { transform: translateX(4px); }

/* Page CTA ----------------------------------------------- */
.sp-cta { padding: 48px 0 32px; }
.sp-cta-card {
  background: var(--surface);
  border: 1px solid var(--signal-line);
  border-radius: var(--r-6);
  padding: 56px;
  text-align: center;
  display: flex; flex-direction: column; align-items: center; gap: 14px;
  box-shadow: 0 0 0 1px var(--signal-line), 0 0 48px var(--signal-glow);
}
.sp-cta-title {
  font-family: var(--font-display);
  font-size: 42px;
  font-weight: 500;
  letter-spacing: -0.03em;
  margin: 0;
}
.sp-cta-desc {
  font-size: 16px;
  color: var(--ink-muted);
  max-width: 540px;
  margin: 0;
}
.sp-cta-actions { display: flex; gap: 10px; margin-top: 8px; flex-wrap: wrap; justify-content: center; }

/* 404 not found ------------------------------------------ */
.sp-not-found {
  padding: 120px 32px;
  max-width: 720px;
  margin: 0 auto;
  display: flex; flex-direction: column; gap: 16px;
}
.sp-not-found ul { padding: 16px 0; columns: 2; }
.sp-not-found li { margin-bottom: 8px; font-family: var(--font-mono); font-size: 13px; }
.sp-not-found a { color: var(--signal); }

/* Responsive --------------------------------------------- */
@media (max-width: 720px) {
  .sp-step-head { grid-template-columns: 1fr; gap: 16px; }
  .sp-step-num { font-size: 24px; padding-top: 6px; }
  .sp-slot { margin-left: 0; }
  .sp-dashboard-metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sp-dashboard-body { grid-template-columns: 1fr; }
  .sp-dashboard-top { flex-direction: column; }
  .sp-related-grid { grid-template-columns: 1fr; }
  .sp-cta-card { padding: 32px 20px; }
  .sp-hero-metric { grid-template-columns: 1fr; }
}