/* ============================================================
   NELIX ARCHITECTURE DIAGRAMS — shared visual system
   ICSM lanes, attestation boundary, completion timeline, PCI
   ============================================================ */

.nx-diagram-frame {
  position: relative;
  border: 1px solid var(--nx-border, var(--dark-border));
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, var(--nx-accent-faint, color-mix(in srgb, var(--primary-gold) 7%, transparent)) 0%, transparent 65%),
    linear-gradient(180deg, color-mix(in srgb, var(--dark-secondary) 92%, #000) 0%, var(--dark-secondary) 100%);
  padding: 40px 28px 32px;
  overflow-x: auto;
}

.nx-diagram-frame::before,
.nx-diagram-frame::after {
  content: '';
  position: absolute;
  width: 28px;
  height: 28px;
  border-color: color-mix(in srgb, var(--primary-gold) 50%, transparent);
  border-style: solid;
  pointer-events: none;
  z-index: 2;
}

.nx-diagram-frame::before { top: -1px; left: -1px; border-width: 1px 0 0 1px; }
.nx-diagram-frame::after { bottom: -1px; right: -1px; border-width: 0 1px 1px 0; }

.nx-diagram-frame--tall { padding-top: 44px; }

.nx-diagram-svg {
  width: 100%;
  display: block;
  height: auto;
}

.nx-diagram-svg--icsm { min-width: 1040px; }
.nx-diagram-svg--timeline { min-width: 920px; }
.nx-diagram-svg--boundary { min-width: 400px; max-width: 520px; margin: 0 auto; }
.nx-diagram-svg--pci { max-width: 560px; margin: 0 auto; }
.nx-diagram-svg--continuum { width: 100%; max-width: 100%; height: auto; }

@media (max-width: 767px) {
  .nx-diagram-svg--continuum { min-width: 720px; }
}

.nx-diagram-caption {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 10px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--nx-text-3, #5f6663);
  margin-top: 20px;
}

.nx-diagram-note {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  color: var(--nx-text-3, #5f6663);
  margin-top: 24px;
  flex-wrap: wrap;
}

/* SVG primitives */
.nx-dg-block {
  fill: var(--dark-primary);
  stroke: var(--nx-border, #2a2d2c);
  stroke-width: 1;
}

.nx-dg-block--hot {
  stroke: color-mix(in srgb, var(--primary-gold) 58%, transparent);
  fill: color-mix(in srgb, var(--primary-gold) 8%, var(--dark-primary));
}

.nx-dg-block--accent {
  stroke: color-mix(in srgb, var(--primary-gold) 42%, transparent);
  fill: color-mix(in srgb, var(--primary-gold) 5%, var(--dark-primary));
}

.nx-dg-block--warn {
  stroke: color-mix(in srgb, #ffb547 50%, transparent);
  fill: color-mix(in srgb, #ffb547 6%, var(--dark-primary));
}

.nx-dg-block--fail {
  stroke: color-mix(in srgb, #d48478 55%, transparent);
  fill: color-mix(in srgb, #d48478 7%, var(--dark-primary));
}

.nx-dg-block--dim {
  fill: color-mix(in srgb, var(--dark-secondary) 80%, var(--dark-primary));
  stroke: color-mix(in srgb, var(--nx-border) 80%, transparent);
}

.nx-dg-label {
  font-family: "IBM Plex Mono", monospace;
  font-size: 8px;
  letter-spacing: 0.35px;
  text-transform: uppercase;
  fill: #9ba3a0;
}

.nx-dg-label--hot { fill: var(--primary-gold); }
.nx-dg-label--sub { font-size: 6.5px; letter-spacing: 0.2px; fill: #6a726f; }
.nx-dg-label--lane {
  font-size: 7px;
  letter-spacing: 1.4px;
  fill: color-mix(in srgb, var(--primary-gold) 75%, #9ba3a0);
  font-weight: 600;
}

.nx-dg-zone {
  fill: color-mix(in srgb, var(--dark-primary) 60%, transparent);
  stroke: color-mix(in srgb, var(--nx-border) 70%, transparent);
  stroke-width: 1;
  stroke-dasharray: 4 6;
}

.nx-dg-zone--inside {
  fill: color-mix(in srgb, var(--primary-gold) 4%, var(--dark-primary));
  stroke: color-mix(in srgb, var(--primary-gold) 22%, transparent);
  stroke-dasharray: none;
}

.nx-dg-boundary {
  stroke: color-mix(in srgb, var(--primary-gold) 65%, transparent);
  stroke-width: 2;
  stroke-dasharray: 8 6;
}

.nx-dg-rail {
  fill: none;
  stroke: color-mix(in srgb, var(--nx-border) 90%, transparent);
  stroke-width: 1;
}

.nx-dg-hot-pulse {
  animation: nxDgPulse 3.2s ease-in-out infinite;
}

@keyframes nxDgPulse {
  0%, 100% { fill-opacity: 1; }
  50% { fill-opacity: 0.5; }
}

.nx-dg-milestone--hot { animation: nxDgPulse 3.2s ease-in-out infinite; }
.nx-dg-milestone--hot:nth-child(2) { animation-delay: 0.4s; }
.nx-dg-milestone--hot:nth-child(3) { animation-delay: 0.8s; }

/* Extend frame treatment to existing diagram wrappers */
.net-diagram-wrap,
.boot-diagram-wrap {
  position: relative;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, var(--nx-accent-faint, color-mix(in srgb, var(--primary-gold) 7%, transparent)) 0%, transparent 65%),
    var(--dark-secondary);
}

.net-diagram-wrap::before,
.net-diagram-wrap::after,
.boot-diagram-wrap::before,
.boot-diagram-wrap::after {
  content: '';
  position: absolute;
  width: 28px;
  height: 28px;
  border-color: color-mix(in srgb, var(--primary-gold) 50%, transparent);
  border-style: solid;
  pointer-events: none;
  z-index: 2;
}

.net-diagram-wrap::before,
.boot-diagram-wrap::before { top: -1px; left: -1px; border-width: 1px 0 0 1px; }

.net-diagram-wrap::after,
.boot-diagram-wrap::after { bottom: -1px; right: -1px; border-width: 0 1px 1px 0; }

.jbia-diagram-stack {
  display: grid;
  gap: 48px;
  margin-top: 56px;
}

.jbia-diagram-row {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 32px;
  align-items: start;
}

.jbia-diagram-row--solo {
  grid-template-columns: 1fr;
}

@media (max-width: 991px) {
  .jbia-diagram-row {
    grid-template-columns: 1fr;
  }
}

/* Restore timeline card */
.nx-restore-card {
  border: 1px solid var(--nx-border);
  background: var(--dark-primary);
  padding: 24px 22px;
}

.nx-restore-card h4 {
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  color: var(--primary-gold);
  margin: 0 0 16px;
}

.nx-restore-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.nx-restore-step {
  display: grid;
  grid-template-columns: 20px 1fr;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid color-mix(in srgb, var(--nx-border) 60%, transparent);
}

.nx-restore-step:last-child { border-bottom: none; padding-bottom: 0; }

.nx-restore-step__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary-gold);
  margin-top: 5px;
  box-shadow: 0 0 10px var(--nx-accent-glow, color-mix(in srgb, var(--primary-gold) 38%, transparent));
}

.nx-restore-step__title {
  font-size: 13px;
  font-weight: 600;
  color: #f4f5f4;
  margin-bottom: 4px;
}

.nx-restore-step__desc {
  font-size: 12.5px;
  color: var(--nx-text-2, #9ba3a0);
  line-height: 1.55;
  margin: 0;
}

@media (prefers-reduced-motion: reduce) {
  .nx-dg-hot-pulse,
  .nx-dg-milestone--hot { animation: none; }
}

/* Fleet network diagram (NCP-01) — theme-aware via nx-dg-* classes */
.nx-diagram-frame--fleet {
  overflow: hidden;
  padding: 32px 24px 28px;
}

.nx-diagram-svg--fleet {
  width: 100%;
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
}

.fleet-svg {
  width: 100%;
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
}

.nx-fleet-zone {
  stroke-dasharray: none;
}

.nx-fleet-status {
  fill: var(--primary-gold);
}

.nx-fleet-status--dim {
  fill: #6a726f;
}

.nx-fleet-npu-line {
  stroke: color-mix(in srgb, var(--primary-gold) 28%, transparent);
  stroke-width: 0.75;
}

@media (max-width: 640px) {
  .nx-diagram-frame--fleet { padding: 20px 12px 18px; }
}