.arch-layout {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 0;
  flex: 1;
  min-height: 0;
}

.arch-sidebar {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(248, 250, 252, 0.94));
  border-right: 1px solid var(--border);
  overflow-y: auto;
  height: calc(100vh - 61px);
  position: sticky;
  top: 61px;
  padding: 18px 14px 24px;
}

.arch-sidebar-intro {
  margin-bottom: 18px;
  padding: 16px;
  border-radius: 18px;
  background:
    radial-gradient(circle at top right, rgba(59, 130, 246, 0.12), transparent 45%),
    linear-gradient(135deg, rgba(99, 102, 241, 0.08), rgba(139, 92, 246, 0.04));
  border: 1px solid rgba(99, 102, 241, 0.12);
}

.arch-sidebar-intro h2 {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
}

.arch-sidebar-intro p {
  margin: 8px 0 0;
  font-size: 12px;
  line-height: 1.6;
  color: var(--ink-secondary);
}

.arch-sidebar-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 14px;
}

.arch-sidebar-stat {
  padding: 10px 12px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.85);
  box-shadow: 0 10px 24px -20px rgba(15, 23, 42, 0.28);
}

.arch-sidebar-stat strong {
  display: block;
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
}

.arch-sidebar-stat span {
  display: block;
  margin-top: 3px;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-tertiary);
}

.arch-content {
  padding: 26px;
  overflow-y: auto;
  max-width: 1180px;
}

.arch-nav-group {
  margin-bottom: 18px;
}

.arch-nav-label {
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-tertiary);
  padding: 4px 10px;
  margin-bottom: 6px;
}

.arch-nav-item {
  display: block;
  width: 100%;
  padding: 10px 12px;
  border-radius: 14px;
  cursor: pointer;
  border: 1px solid transparent;
  background: transparent;
  text-align: left;
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-secondary);
  transition: all 120ms ease;
}

.arch-nav-item:hover {
  background: rgba(59, 130, 246, 0.05);
  color: var(--ink);
}

.arch-nav-item.active {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(99, 102, 241, 0.08));
  border-color: rgba(59, 130, 246, 0.24);
  color: var(--accent-text);
  box-shadow: 0 12px 28px -24px rgba(59, 130, 246, 0.55);
}

.arch-page {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.arch-hero-card,
.arch-card {
  background: linear-gradient(180deg, rgba(255,255,255,0.98), rgba(249,250,251,0.96));
  border: 1px solid var(--border);
  border-radius: 24px;
  box-shadow: 0 22px 60px -42px rgba(15, 23, 42, 0.22);
}

.arch-hero-card {
  padding: 26px;
  position: relative;
  overflow: hidden;
}

.arch-hero-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at top right, rgba(59, 130, 246, 0.14), transparent 28%),
    radial-gradient(circle at bottom left, rgba(139, 92, 246, 0.1), transparent 24%);
  pointer-events: none;
}

.arch-hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(59, 130, 246, 0.08);
  border: 1px solid rgba(59, 130, 246, 0.16);
  color: var(--accent-text);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.arch-hero-eyebrow::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 0 5px rgba(59, 130, 246, 0.12);
}

.arch-hero-title {
  position: relative;
  margin: 18px 0 8px;
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.02;
  letter-spacing: -0.04em;
  color: var(--ink);
}

.arch-hero-summary {
  position: relative;
  max-width: 760px;
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-secondary);
}

.arch-pill-row {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.arch-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid rgba(226, 232, 240, 0.9);
  background: rgba(255, 255, 255, 0.86);
  box-shadow: 0 10px 22px -20px rgba(15, 23, 42, 0.35);
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-secondary);
}

.arch-pill::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: currentColor;
  opacity: 0.7;
}

.arch-pill.accent {
  color: #2563eb;
  border-color: rgba(59, 130, 246, 0.16);
  background: rgba(239, 246, 255, 0.9);
}

.arch-pill.success {
  color: #15803d;
  border-color: rgba(34, 197, 94, 0.16);
  background: rgba(240, 253, 244, 0.95);
}

.arch-grid-two {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.8fr);
  gap: 18px;
}

.arch-section {
  margin-bottom: 0;
}

.arch-card {
  padding: 22px;
}

.arch-card h1 {
  margin: 0 0 14px;
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--ink);
}

.arch-card h2 {
  font-size: 17px;
  font-weight: 800;
  margin: 0 0 10px;
  color: var(--ink);
}

.arch-card h3 {
  font-size: 14px;
  font-weight: 700;
  margin: 16px 0 8px;
  color: var(--ink);
}

.arch-card h4 {
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-tertiary);
  margin: 12px 0 6px;
}

.arch-card p {
  font-size: 13px;
  color: var(--ink-secondary);
  line-height: 1.78;
  margin: 6px 0;
}

.arch-card ul,
.arch-card ol {
  padding-left: 20px;
  margin: 6px 0;
}

.arch-card li {
  font-size: 13px;
  color: var(--ink-secondary);
  line-height: 1.72;
  margin: 4px 0;
}

.arch-card code {
  font-family: var(--mono);
  font-size: 11px;
  padding: 2px 6px;
  background: var(--bg-inset);
  border-radius: 6px;
}

.arch-card pre {
  background: #0f172a;
  color: #e5eefc;
  border: 1px solid rgba(148, 163, 184, 0.18);
  border-radius: 18px;
  padding: 16px;
  overflow-x: auto;
  margin: 10px 0;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.6;
  white-space: pre;
}

.arch-card pre code {
  background: none;
  padding: 0;
  color: inherit;
}

.arch-card table {
  width: 100%;
  border-collapse: collapse;
  margin: 10px 0;
  font-size: 12px;
  overflow: hidden;
  border-radius: 14px;
}

.arch-card th,
.arch-card td {
  padding: 10px 12px;
  border: 1px solid var(--border);
  text-align: left;
}

.arch-card th {
  background: rgba(248, 250, 252, 0.95);
  font-weight: 800;
  color: var(--ink);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.arch-card td {
  color: var(--ink-secondary);
  background: rgba(255,255,255,0.75);
}

.arch-card td code {
  font-size: 11px;
}

.arch-service-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 18px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.arch-service-icon {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--accent), #6366f1);
  color: white;
  font-weight: 800;
  font-size: 16px;
  flex-shrink: 0;
  box-shadow: 0 18px 36px -22px rgba(59,130,246,0.65);
}

.arch-service-meta {
  flex: 1;
}

.arch-service-name {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.arch-service-info {
  font-size: 12px;
  color: var(--ink-tertiary);
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 6px;
}

.arch-service-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 5px 10px;
  font-size: 11px;
  font-weight: 700;
  border-radius: 999px;
  background: rgba(59, 130, 246, 0.08);
  color: var(--accent-text);
  border: 1px solid rgba(59,130,246,0.14);
}

.arch-overview-stack {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.arch-layer-card {
  padding: 18px;
  border-radius: 20px;
  border: 1px solid rgba(226, 232, 240, 0.85);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.95), rgba(248,250,252,0.9));
}

.arch-layer-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 14px;
}

.arch-layer-title h3 {
  margin: 0;
  font-size: 15px;
  font-weight: 800;
}

.arch-layer-badge {
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(99,102,241,0.08);
  color: #4f46e5;
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.arch-node-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.arch-node-grid.services {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.arch-node {
  padding: 14px;
  border-radius: 16px;
  border: 1px solid rgba(226, 232, 240, 0.9);
  background: rgba(255,255,255,0.9);
  box-shadow: 0 16px 36px -30px rgba(15, 23, 42, 0.35);
}

.arch-node-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 10px;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-tertiary);
}

.arch-node-label::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--accent);
}

.arch-node h4 {
  margin: 0;
  font-size: 15px;
  color: var(--ink);
  text-transform: none;
  letter-spacing: normal;
}

.arch-node p {
  margin: 8px 0 0;
  font-size: 12px;
  line-height: 1.65;
}

.arch-flow-connector {
  display: flex;
  justify-content: center;
  padding: 2px 0;
}

.arch-flow-connector span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.04);
  border: 1px solid rgba(148,163,184,0.16);
  color: var(--ink-tertiary);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.arch-flow-connector span::before,
.arch-flow-connector span::after {
  content: "";
  width: 16px;
  height: 1px;
  background: rgba(148,163,184,0.5);
}

.arch-metric-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.arch-metric-card {
  padding: 16px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(255,255,255,0.95), rgba(248,250,252,0.92));
  border: 1px solid rgba(226,232,240,0.92);
}

.arch-metric-card strong {
  display: block;
  font-size: 26px;
  line-height: 1;
  color: var(--ink);
}

.arch-metric-card span {
  display: block;
  margin-top: 8px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-tertiary);
}

.arch-callout {
  padding: 16px 18px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(59,130,246,0.08), rgba(99,102,241,0.06));
  border: 1px solid rgba(59,130,246,0.16);
}

.arch-callout h3 {
  margin: 0 0 8px;
}

.arch-callout p {
  margin: 0;
}

.arch-doc-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.arch-detail-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: 18px;
}

.arch-stack-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.arch-note {
  margin-top: 12px;
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(15, 23, 42, 0.04);
  border: 1px solid rgba(148,163,184,0.14);
  font-size: 12px;
  line-height: 1.7;
  color: var(--ink-secondary);
}

.arch-empty {
  padding: 28px;
  border-radius: 22px;
  border: 1px dashed rgba(148,163,184,0.3);
  text-align: center;
  color: var(--ink-tertiary);
  background: rgba(248,250,252,0.65);
}

@media (max-width: 1100px) {
  .arch-grid-two,
  .arch-detail-grid,
  .arch-doc-grid {
    grid-template-columns: 1fr;
  }

  .arch-node-grid.services {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

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

  .arch-sidebar {
    position: static;
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
}

@media (max-width: 640px) {
  .arch-content {
    padding: 18px;
  }

  .arch-hero-card,
  .arch-card {
    padding: 18px;
    border-radius: 20px;
  }

  .arch-node-grid,
  .arch-node-grid.services,
  .arch-metric-grid,
  .arch-sidebar-stats {
    grid-template-columns: 1fr;
  }

  .arch-service-header {
    align-items: flex-start;
    flex-direction: column;
  }
}