/* BLUE Portal architecture page
   Native HTML/CSS keeps the diagram readable from 390px phones to wide desktop
   screens. The old SVG remains in assets for historical reference only. */

.architecture-page {
  --arch-blue: #0672ce;
  --arch-navy: #002a4e;
  --arch-ink: #183b58;
  --arch-muted: #5d7589;
  --arch-line: #c8dce9;
  --arch-soft: #f4faff;
  --arch-guard: #9a6200;
  --arch-guard-bg: #fff8e9;
}

.architecture-v2-title {
  align-items: flex-end;
  gap: 24px;
  margin-bottom: 18px;
}

.architecture-v2-title h1 {
  margin-top: 7px;
  font-size: clamp(30px, 3vw, 38px);
}

.architecture-v2-title p {
  max-width: 760px;
}

.architecture-v2-runtime {
  flex: 0 0 auto;
  border-color: #a7cee6;
  background: #f3faff;
  color: #125d91;
  font-size: 13px;
}

.architecture-v2-policy {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 0 0 18px;
}

.architecture-v2-policy-item {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 72px;
  padding: 13px 15px;
  border: 1px solid #cfe1ed;
  border-radius: 12px;
  background: #fff;
}

.architecture-v2-policy-mark,
.architecture-v2-stage-number {
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: #e6f3fc;
  color: var(--arch-blue);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: .04em;
}

.architecture-v2-policy-item div {
  min-width: 0;
}

.architecture-v2-policy-item strong,
.architecture-v2-policy-item span:not(.architecture-v2-policy-mark) {
  display: block;
}

.architecture-v2-policy-item strong {
  color: var(--arch-navy);
  font-size: 15px;
  line-height: 1.3;
}

.architecture-v2-policy-item div span {
  margin-top: 3px;
  color: var(--arch-muted);
  font-size: 13px;
  line-height: 1.35;
}

.architecture-v2-policy-item.is-guarded {
  border-color: #e7d4a8;
  background: var(--arch-guard-bg);
}

.architecture-v2-policy-item.is-guarded .architecture-v2-policy-mark {
  background: #ffedc3;
  color: var(--arch-guard);
}

.architecture-v2-figure {
  margin: 0;
  overflow: hidden;
  border-radius: 18px;
  background: linear-gradient(180deg, #f8fcfe, #edf6fb);
}

.architecture-v2-figure-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
  padding: 22px 24px 18px;
  border-bottom: 1px solid #d8e8f1;
  background: #fff;
}

.architecture-v2-figure-head h2 {
  margin: 6px 0 0;
  color: var(--arch-navy);
  font-size: 22px;
  letter-spacing: -.025em;
}

.architecture-v2-legend {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 12px 16px;
  color: #5c7488;
  font-size: 13px;
  line-height: 1.3;
}

.architecture-v2-legend span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.legend-swatch {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--arch-blue);
}

.legend-swatch.internal { background: var(--arch-navy); }
.legend-swatch.guarded { background: #d08a16; }

.architecture-v2-flow {
  display: grid;
  grid-template-columns: minmax(210px, 1.08fr) minmax(56px, .28fr) minmax(270px, 1.42fr) minmax(56px, .28fr) minmax(205px, 1fr) minmax(56px, .28fr) minmax(230px, 1.08fr);
  align-items: stretch;
  gap: 12px;
  padding: 24px;
}

.architecture-v2-stage,
.architecture-v2-node {
  min-width: 0;
  border: 1px solid var(--arch-line);
  border-radius: 15px;
  background: #fff;
  box-shadow: 0 9px 24px rgba(23, 48, 78, .07);
}

.architecture-v2-stage {
  padding: 16px;
}

.architecture-v2-stage-head {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding-bottom: 13px;
  border-bottom: 1px solid #e0ebf2;
}

.architecture-v2-stage-head strong,
.architecture-v2-stage-head small {
  display: block;
}

.architecture-v2-stage-head strong {
  color: var(--arch-navy);
  font-size: 15px;
  line-height: 1.3;
}

.architecture-v2-stage-head small {
  margin-top: 4px;
  color: var(--arch-muted);
  font-size: 13px;
  line-height: 1.4;
}

.architecture-v2-entry-list,
.architecture-v2-output-stack {
  display: grid;
  gap: 9px;
  margin-top: 13px;
}

.architecture-v2-entry-card,
.architecture-v2-output-card {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  padding: 11px 10px;
  border: 1px solid #dae8f1;
  border-radius: 10px;
  background: #f8fcfe;
}

.architecture-v2-entry-card h3,
.architecture-v2-output-card h3 {
  margin: 0;
  color: var(--arch-ink);
  font-size: 14px;
  line-height: 1.3;
}

.architecture-v2-entry-card p,
.architecture-v2-output-card p {
  margin: 4px 0 0;
  color: var(--arch-muted);
  font-size: 14px;
  line-height: 1.45;
}

.architecture-v2-entry-icon,
.architecture-v2-output-icon {
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
  width: 25px;
  height: 25px;
  border-radius: 7px;
  background: #dff1fc;
  color: var(--arch-blue);
  font-size: 16px;
  font-weight: 800;
}

.architecture-v2-entry-card.is-guarded,
.architecture-v2-output-card.is-guarded {
  border-color: #e8d5a9;
  background: var(--arch-guard-bg);
}

.architecture-v2-entry-card.is-guarded .architecture-v2-entry-icon,
.architecture-v2-output-card.is-guarded .architecture-v2-output-icon {
  background: #ffedc3;
  color: var(--arch-guard);
}

.architecture-v2-stage-foot {
  margin: 12px 2px 0;
  color: #356886;
  font-size: 13px;
  font-weight: 700;
  line-height: 1.45;
}

.architecture-v2-node {
  padding: 19px;
  border-color: #0b679f;
  background: linear-gradient(150deg, #00345f, #006fba);
  color: #fff;
  box-shadow: 0 16px 30px rgba(0, 55, 102, .2);
}

.architecture-v2-node-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.architecture-v2-node .architecture-v2-stage-number {
  background: rgba(154, 231, 255, .2);
  color: #a4e8ff;
}

.architecture-v2-node-badge {
  padding: 5px 7px;
  border: 1px solid rgba(190, 239, 255, .32);
  border-radius: 999px;
  color: #c5f1ff;
  font-size: 10px;
  font-weight: 850;
  letter-spacing: .07em;
}

.architecture-v2-node h3 {
  margin: 17px 0 3px;
  color: #fff;
  font-size: 22px;
  line-height: 1.2;
  letter-spacing: -.025em;
}

.architecture-v2-node-lead {
  margin: 0;
  color: #a9e7fb;
  font-size: 14px;
  font-weight: 750;
}

.architecture-v2-checklist {
  display: grid;
  gap: 11px;
  margin: 19px 0 0;
  padding: 0 0 0 22px;
}

.architecture-v2-checklist li {
  padding-left: 3px;
  color: #fff;
}

.architecture-v2-checklist li::marker {
  color: #8be1ff;
  font-weight: 850;
}

.architecture-v2-checklist strong,
.architecture-v2-checklist span {
  display: block;
}

.architecture-v2-checklist strong {
  font-size: 14px;
  line-height: 1.3;
}

.architecture-v2-checklist span {
  margin-top: 3px;
  color: #c8eaf7;
  font-size: 14px;
  line-height: 1.45;
}

.architecture-v2-scope-note {
  display: grid;
  gap: 3px;
  margin-top: 17px;
  padding: 10px 11px;
  border: 1px solid rgba(178, 230, 250, .25);
  border-radius: 9px;
  background: rgba(0, 28, 53, .25);
}

.architecture-v2-scope-note strong {
  color: #a4e8ff;
  font-size: 12px;
}

.architecture-v2-scope-note span {
  color: #d2eff9;
  font-size: 14px;
  line-height: 1.4;
}

.architecture-v2-model-node {
  border-color: #238bc6;
  background: linear-gradient(150deg, #0787d5, #005da9);
}

.architecture-v2-model-name {
  margin: 17px 0 2px;
  color: #fff;
  font-size: 18px;
  font-weight: 800;
}

.architecture-v2-model-id {
  margin: 0;
  color: #bcecff;
  font-size: 15px;
  font-weight: 750;
  line-height: 1.35;
}

.architecture-v2-model-rule {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 21px;
  padding: 10px 11px;
  border: 1px solid rgba(203, 242, 255, .3);
  border-radius: 9px;
  background: rgba(0, 27, 52, .23);
  color: #e1f8ff;
  font-size: 13px;
  font-weight: 700;
  line-height: 1.4;
}

.architecture-v2-pulse {
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #8de6ff;
  box-shadow: 0 0 0 4px rgba(141, 230, 255, .16);
}

.architecture-v2-model-foot {
  margin: 15px 0 0;
  color: #d0f0fb;
  font-size: 14px;
  line-height: 1.55;
}

.architecture-v2-connector {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  color: #226896;
  font-size: 11px;
  font-weight: 800;
  line-height: 1.25;
  text-align: center;
  text-transform: uppercase;
}

.architecture-v2-connector::before {
  width: 100%;
  height: 2px;
  background: #74b4d9;
  content: "";
}

.architecture-v2-connector::after {
  position: absolute;
  right: -1px;
  width: 8px;
  height: 8px;
  border-top: 2px solid #226896;
  border-right: 2px solid #226896;
  content: "";
  transform: rotate(45deg);
}

.architecture-v2-connector span {
  position: absolute;
  top: calc(50% - 26px);
  width: 100%;
}

.architecture-v2-output-stage {
  border-color: #b6d2e3;
  background: #fbfdff;
}

.architecture-v2-output-card {
  min-height: 108px;
}

.architecture-v2-path-label {
  display: inline-block;
  margin-top: 8px;
  color: #1769a4;
  font-size: 11px;
  font-weight: 850;
  letter-spacing: .025em;
}

.architecture-v2-output-card.is-guarded .architecture-v2-path-label {
  color: var(--arch-guard);
}

.architecture-v2-caption {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  padding: 14px 24px;
  border-top: 1px solid #d8e8f1;
  background: #fff;
  color: #536e83;
  font-size: 14px;
  line-height: 1.5;
}

.architecture-v2-caption strong {
  color: var(--arch-navy);
}

.architecture-v2-boundaries {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.architecture-v2-boundaries article {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  min-width: 0;
  padding: 17px;
  border: 1px solid #cfe1ed;
  border-radius: 13px;
  background: #fff;
}

.architecture-v2-boundary-icon {
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
  width: 29px;
  height: 29px;
  border-radius: 8px;
  background: #e8f5fd;
  color: var(--arch-blue);
  font-size: 17px;
  font-weight: 800;
}

.architecture-v2-boundaries h3 {
  margin: 0;
  color: var(--arch-navy);
  font-size: 16px;
  line-height: 1.3;
}

.architecture-v2-boundaries p {
  margin: 5px 0 0;
  color: var(--arch-muted);
  font-size: 14px;
  line-height: 1.55;
}

.architecture-v2-boundaries .is-muted {
  border-color: #d7e1e8;
  background: #f8fafb;
}

.architecture-v2-boundaries .is-muted .architecture-v2-boundary-icon {
  background: #e9eef2;
  color: #718594;
}

.architecture-v2-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* The app shell reserves a desktop sidebar, so a 1366px viewport leaves
   roughly 1095px for the page. Stack the flow before that constrained
   workspace can clip the fourth stage inside the figure. */
@media (max-width: 1680px) {
  .architecture-v2-flow {
    grid-template-columns: 1fr;
    justify-items: center;
    gap: 0;
  }

  .architecture-v2-stage,
  .architecture-v2-node {
    width: min(100%, 650px);
  }

  .architecture-v2-connector {
    width: min(100%, 650px);
    min-height: 58px;
  }

  .architecture-v2-connector::before {
    width: 2px;
    height: 100%;
  }

  .architecture-v2-connector::after {
    top: auto;
    right: calc(50% - 4px);
    bottom: -1px;
    border-top: 0;
    border-right: 2px solid #226896;
    border-bottom: 2px solid #226896;
    transform: rotate(45deg);
  }

  .architecture-v2-connector span {
    top: calc(50% - 8px);
    right: calc(50% + 15px);
    width: auto;
    white-space: nowrap;
  }
}

@media (max-width: 720px) {
  .architecture-v2-title {
    gap: 14px;
    margin-top: 22px;
  }

  .architecture-v2-title h1 {
    font-size: 30px;
  }

  .architecture-v2-title p {
    font-size: 15px;
  }

  .architecture-v2-runtime {
    white-space: normal;
  }

  .architecture-v2-policy,
  .architecture-v2-boundaries {
    grid-template-columns: 1fr;
  }

  .architecture-v2-policy-item {
    min-height: 64px;
  }

  .architecture-v2-figure-head {
    align-items: flex-start;
    flex-direction: column;
    padding: 19px 17px 16px;
  }

  .architecture-v2-figure-head h2 {
    font-size: 20px;
  }

  .architecture-v2-legend {
    justify-content: flex-start;
    gap: 9px 13px;
    font-size: 12px;
  }

  .architecture-v2-flow {
    padding: 17px 14px;
  }

  .architecture-v2-stage,
  .architecture-v2-node {
    width: 100%;
  }

  .architecture-v2-stage {
    padding: 14px;
  }

  .architecture-v2-node {
    padding: 17px;
  }

  .architecture-v2-node h3 {
    font-size: 20px;
  }

  .architecture-v2-caption {
    padding: 13px 16px;
    font-size: 13px;
  }

  .architecture-v2-boundaries article {
    padding: 15px;
  }
}

@media (max-width: 390px) {
  .architecture-v2-connector span {
    right: calc(50% + 12px);
    font-size: 10px;
  }
}