.architecture-section {
  position: relative;
}

.architecture-shell {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.architecture-frame {
  position: relative;
  border: 1px solid var(--border);
  border-radius: 24px;
  overflow: hidden;
  background:
    radial-gradient(circle at top left, rgba(220, 38, 38, 0.16), transparent 34%),
    radial-gradient(circle at bottom right, rgba(239, 68, 68, 0.12), transparent 28%),
    linear-gradient(180deg, rgba(19, 19, 22, 0.98), rgba(12, 12, 14, 0.98));
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.28);
}

.architecture-toolbar {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  padding: 18px 18px 0;
}

.architecture-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(220, 38, 38, 0.1);
  border: 1px solid rgba(220, 38, 38, 0.18);
  color: var(--accent-soft);
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.architecture-chip::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 14px rgba(220, 38, 38, 0.45);
}

.architecture-note {
  margin-top: 10px;
  max-width: 520px;
  color: rgba(240, 238, 245, 0.78);
  font-size: 14px;
  line-height: 1.6;
}

.architecture-open {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid rgba(239, 68, 68, 0.24);
  background: rgba(220, 38, 38, 0.08);
  color: var(--text);
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.architecture-open:hover {
  transform: translateY(-1px);
  border-color: rgba(239, 68, 68, 0.42);
  background: rgba(220, 38, 38, 0.12);
}

.architecture-viewport {
  position: relative;
  margin: 16px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.04);
  background:
    linear-gradient(180deg, rgba(14, 14, 17, 0.96), rgba(9, 9, 11, 0.98)),
    linear-gradient(90deg, rgba(220, 38, 38, 0.04), transparent 45%, rgba(220, 38, 38, 0.04));
  overflow: auto;
  min-height: 520px;
  max-height: 720px;
  scrollbar-width: thin;
  scrollbar-color: rgba(239, 68, 68, 0.4) rgba(255, 255, 255, 0.06);
}

.architecture-viewport::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

.architecture-viewport::-webkit-scrollbar-thumb {
  background: rgba(239, 68, 68, 0.3);
  border-radius: 999px;
}

.architecture-viewport::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.04);
}

.architecture-canvas {
  min-width: 1120px;
  padding: 26px 28px 40px;
}

.architecture-preview-link {
  display: block;
  overflow: hidden;
  padding: 0;
  min-height: 0;
  max-height: none;
  background: #f3f4f7;
}

.architecture-preview-image {
  display: block;
  width: 100%;
  height: clamp(420px, 52vw, 620px);
  object-fit: cover;
  object-position: 48% 42%;
}

.architecture-canvas > svg {
  display: block;
  width: 1180px;
  height: auto;
}

.architecture-canvas > svg > svg {
  display: block;
  width: 100%;
  height: auto;
}

.architecture-loading {
  min-height: 440px;
  display: grid;
  place-items: center;
  color: var(--text-muted);
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.architecture-signals {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.architecture-signal {
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  color: var(--text);
  font-size: 13px;
  font-weight: 500;
}

.architecture-caption {
  max-width: 760px;
  color: rgba(240, 238, 245, 0.82);
  font-size: 14px;
  line-height: 1.7;
}

.architecture-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.architecture-actions .btn-accent,
.architecture-actions .btn-ghost {
  min-width: 210px;
  text-align: center;
}

.flow-note {
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(220, 38, 38, 0.08);
  border: 1px solid rgba(220, 38, 38, 0.16);
  color: rgba(240, 238, 245, 0.8);
  font-size: 14px;
  line-height: 1.6;
}

.flow-page main {
  max-width: 1280px;
  margin: 0 auto;
  padding: 136px 24px 100px;
}

.flow-shell {
  display: grid;
  grid-template-columns: minmax(300px, 340px) minmax(0, 1fr);
  gap: 22px;
  align-items: start;
}

.flow-inspector {
  position: sticky;
  top: 112px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.flow-inspector-card {
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 24px;
  padding: 22px;
  background:
    radial-gradient(circle at top right, rgba(220, 38, 38, 0.1), transparent 36%),
    linear-gradient(180deg, rgba(20, 20, 24, 0.96), rgba(10, 10, 13, 0.98));
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.28);
}

.flow-inspector-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
}

.flow-inspector-kicker {
  color: var(--accent-soft);
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.flow-inspector-card h2 {
  font-family: 'Clash Display', sans-serif;
  font-size: clamp(28px, 3vw, 38px);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 14px;
}

.flow-inspector-copy {
  color: #f0eef5;
  font-size: 15px;
  line-height: 1.75;
}

.flow-inspector-status {
  margin-top: 16px;
  color: rgba(240, 238, 245, 0.76);
  font-size: 13px;
  line-height: 1.7;
}

.flow-guides {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 18px;
}

.flow-guide {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 11px 13px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  color: rgba(240, 238, 245, 0.72);
  font-size: 13px;
}

.flow-guide span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 84px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(220, 38, 38, 0.12);
  color: var(--text);
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.flow-stage-frame {
  min-width: 0;
}

.flow-toolbar-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  align-items: center;
  gap: 10px;
}

.flow-control {
  appearance: none;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  border-radius: 999px;
  min-width: 44px;
  padding: 10px 14px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.flow-control:hover {
  transform: translateY(-1px);
  border-color: rgba(239, 68, 68, 0.28);
  background: rgba(220, 38, 38, 0.08);
}

.flow-control-reset {
  min-width: 118px;
}

.flow-detail-viewport {
  margin: 14px 16px 16px;
  min-height: 720px;
  height: min(78vh, 860px);
  max-height: none;
}

.diagram-stage {
  min-width: max-content;
  padding: 24px 28px 32px;
  background: #f3f4f7;
}

.diagram-stage img {
  display: block;
  width: 2200px;
  max-width: none;
  height: auto;
  margin: 0;
  user-select: none;
  -webkit-user-drag: none;
}

.flow-page .architecture-note {
  max-width: 620px;
}

.flow-page-hero {
  margin-bottom: 28px;
}

.flow-page-hero h1 {
  font-family: 'Clash Display', sans-serif;
  font-size: clamp(40px, 5vw, 64px);
  line-height: 1.04;
  letter-spacing: -0.03em;
  margin-bottom: 18px;
}

.flow-page-hero p {
  max-width: 680px;
  color: rgba(240, 238, 245, 0.76);
  font-size: 17px;
  line-height: 1.7;
}

.public-flowchart {
  overflow: visible;
}

.public-flowchart [data-flow-node] {
  cursor: pointer;
}

.public-flowchart [data-flow-node] text {
  pointer-events: none;
}

@media (max-width: 768px) {
  .architecture-toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .architecture-open {
    width: 100%;
  }

  .architecture-viewport {
    margin: 12px;
    min-height: 400px;
    max-height: 560px;
  }

  .architecture-canvas {
    min-width: 860px;
    padding: 18px 20px 30px;
  }

  .architecture-preview-image {
    height: 420px;
    object-position: 50% 42%;
  }

  .architecture-canvas > svg {
    width: 940px;
  }

  .architecture-canvas > svg > svg {
    width: 100%;
  }

  .architecture-actions {
    flex-direction: column;
  }

  .architecture-actions .btn-accent,
  .architecture-actions .btn-ghost {
    width: 100%;
  }

  .flow-page main {
    padding-top: 118px;
  }

  .flow-shell {
    grid-template-columns: 1fr;
  }

  .flow-inspector {
    order: 2;
    position: static;
  }

  .flow-stage-frame {
    order: 1;
  }

  .flow-toolbar-actions {
    justify-content: stretch;
  }

  .flow-inspector-card h2 {
    font-size: 26px;
    line-height: 1.12;
  }

  .flow-control,
  .flow-control-reset,
  .flow-toolbar-actions .architecture-open {
    width: 100%;
  }

  .flow-detail-viewport {
    margin: 12px;
    min-height: 520px;
    height: 68vh;
  }

  .diagram-stage {
    padding: 18px 20px 26px;
  }

  .flow-page-hero p {
    font-size: 16px;
  }
}