/*
 * AS-OS Runtime Systems — deterministic CSS Grid (no absolute positioning)
 * Named areas per Art V4 placement repair contract.
 */

.asos-arch {
  --asos-ink: #08122a;
  --asos-muted: #475569;
  --asos-line: #d7deea;
  --asos-cyan: #1fb8d6;
  --asos-cobalt: #2f4ac4;
  --asos-violet: #6d5ce8;
  --asos-surface: #ffffff;
  --asos-pearl: #f6f8fc;
  --asos-radius: 0.75rem;
  box-sizing: border-box;
  margin: 0;
  padding: clamp(1.25rem, 3vw, 2rem);
  color: var(--asos-ink);
  background: linear-gradient(180deg, #fff 0%, var(--asos-pearl) 100%);
  border: 1px solid var(--asos-line);
  border-radius: calc(var(--asos-radius) + 2px);
}

.asos-arch *,
.asos-arch *::before,
.asos-arch *::after {
  box-sizing: border-box;
}

.asos-arch__title {
  margin: 0 0 0.35rem;
  font-size: clamp(1.25rem, 2vw, 1.65rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.asos-arch__lede {
  margin: 0 0 1.25rem;
  max-width: 70ch;
  color: var(--asos-muted);
  font-size: 0.98rem;
  line-height: 1.55;
}

.asos-arch__legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1.1rem;
  margin: 0 0 1.25rem;
  padding: 0.7rem 0.9rem;
  list-style: none;
  background: var(--asos-surface);
  border: 1px solid var(--asos-line);
  border-radius: var(--asos-radius);
}

.asos-arch__legend-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8125rem;
  font-weight: 600;
}

.asos-arch__swatch {
  width: 0.85rem;
  height: 0.85rem;
  border-radius: 3px;
  border: 1px solid transparent;
  flex-shrink: 0;
}

.asos-arch__swatch--system {
  background: #eef3fb;
  border-color: var(--asos-cobalt);
}

.asos-arch__swatch--artifact {
  background: rgba(31, 184, 214, 0.15);
  border-color: var(--asos-cyan);
}

.asos-arch__swatch--optional {
  background: #fff;
  border: 1px dashed var(--asos-violet);
}

.asos-arch__swatch--deploy {
  background: #0b1a33;
  border-color: #8ea0bf;
}

.asos-arch__section-label {
  margin: 0 0 0.75rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--asos-cobalt);
}

/* Desktop 4-column named areas — no absolute positioning, no connectors */
.asos-arch__systems-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  grid-template-areas:
    "s01 s02 s05 s06"
    "s03 k04 k04 s07"
    ".   s08 s08 .";
  gap: 0.85rem;
  align-items: stretch;
  margin: 0 0 1.75rem;
}

.asos-arch__system {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  margin: 0;
  padding: 0.95rem 1rem;
  background: var(--asos-surface);
  border: 1px solid var(--asos-line);
  border-radius: var(--asos-radius);
  overflow: hidden;
}

.asos-arch__system[data-asos-system="telemetry"] { grid-area: s01; }
.asos-arch__system[data-asos-system="domain-intelligence"] { grid-area: s02; }
.asos-arch__system[data-asos-system="decision-engine"] { grid-area: s03; }
.asos-arch__system[data-asos-system="kernel"] { grid-area: k04; }
.asos-arch__system[data-asos-system="decision-dna"] { grid-area: s05; }
.asos-arch__system[data-asos-system="trust"] { grid-area: s06; }
.asos-arch__system[data-asos-system="avf"] { grid-area: s07; }
.asos-arch__system[data-asos-system="vulnops"] { grid-area: s08; }

.asos-arch__system--kernel {
  border: 2px solid var(--asos-cobalt);
  box-shadow: 0 0 0 3px rgba(47, 74, 196, 0.12), 0 10px 28px rgba(47, 74, 196, 0.08);
  background:
    radial-gradient(circle at 20% 0%, rgba(31, 184, 214, 0.12), transparent 55%),
    linear-gradient(180deg, #ffffff, #f3f6fd);
}

.asos-arch__system--optional {
  border-style: dashed;
  border-color: var(--asos-violet);
}

.asos-arch__system-index {
  display: inline-block;
  margin-bottom: 0.35rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--asos-cobalt);
}

.asos-arch__system-name {
  display: block;
  margin: 0 0 0.35rem;
  font-size: 0.98rem;
  font-weight: 700;
  line-height: 1.25;
}

.asos-arch__system-role {
  display: block;
  margin: 0 0 0.55rem;
  color: var(--asos-muted);
  font-size: 0.84rem;
  line-height: 1.4;
}

.asos-arch__system-body {
  margin-top: auto;
  color: var(--asos-muted);
  font-size: 0.84rem;
  line-height: 1.45;
}

.asos-arch__badge {
  display: inline-block;
  margin-top: 0.45rem;
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
  border: 1px solid rgba(47, 74, 196, 0.25);
  background: rgba(47, 74, 196, 0.08);
  color: var(--asos-cobalt);
  font-size: 0.72rem;
  font-weight: 700;
}

.asos-arch__badge--optional {
  border-color: rgba(109, 92, 232, 0.35);
  background: rgba(109, 92, 232, 0.08);
  color: #4c3db8;
}

/* Artifacts — separate semantic section */
.asos-arch__artifacts {
  margin: 0 0 1.5rem;
}

.asos-arch__artifact-grid {
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  gap: 0.55rem;
  align-items: stretch;
}

.asos-arch__artifact {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  margin: 0;
  padding: 0.7rem 0.65rem;
  background: rgba(31, 184, 214, 0.06);
  border: 1px solid rgba(31, 184, 214, 0.35);
  border-radius: 0.55rem;
}

.asos-arch__artifact-code {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--asos-cyan);
}

.asos-arch__artifact-name {
  margin-top: 0.25rem;
  font-size: 0.8rem;
  font-weight: 650;
  line-height: 1.25;
  overflow-wrap: anywhere;
}

/* Onboarding — deployment lifecycle band, outside runtime */
.asos-arch__onboarding {
  margin: 0;
  padding: 1rem 1.1rem;
  border: 1px solid #8ea0bf;
  border-radius: var(--asos-radius);
  background: linear-gradient(180deg, #0f1c33, #152540);
  color: #e8eef8;
}

.asos-arch__onboarding-title {
  margin: 0 0 0.35rem;
  font-size: 1rem;
  font-weight: 700;
}

.asos-arch__onboarding-body {
  margin: 0;
  max-width: 72ch;
  color: #c5d0e2;
  font-size: 0.9rem;
  line-height: 1.5;
}

.asos-arch__onboarding-tag {
  display: inline-block;
  margin-bottom: 0.45rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #9ec8ff;
}

@media (max-width: 1023px) {
  .asos-arch__systems-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-areas:
      "s01 s02"
      "s05 s06"
      "k04 k04"
      "s03 s07"
      "s08 s08";
  }

  .asos-arch__artifact-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 639px) {
  .asos-arch__systems-grid {
    grid-template-columns: 1fr;
    grid-template-areas: none;
  }

  .asos-arch__system,
  .asos-arch__system[data-asos-system] {
    grid-area: auto !important;
    grid-column: auto !important;
  }

  .asos-arch__artifact-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 359px) {
  .asos-arch__artifact-grid {
    grid-template-columns: 1fr;
  }
}