.layout-chassis {}
.layout-chassis { color-scheme:dark; }
.chassis-shell { background:#0f172a; }
.chassis-mesh { height:48px; background:repeating-linear-gradient(90deg,#334155 0 2px,transparent 2px 8px),repeating-linear-gradient(0deg,#334155 0 2px,transparent 2px 8px); margin-bottom:16px; opacity:0.5; }
.chassis-footer { padding:16px; border:2px solid #475569; margin:24px 16px 48px; font-family:monospace; font-size:0.75rem; }

.chassis-main { width: min(var(--content-max-width), calc(100% - 32px)); margin: 0 auto; padding-bottom: 40px; }
.chassis-main a { color: var(--theme-primary); }
.chassis-intro { margin: 24px 0; }
.chassis-intro h2 { font-family: var(--font-display); margin: 0 0 8px; }
.chassis-about { margin-top: 32px; padding: 20px; border: 1px solid var(--border-color); background: var(--theme-card); }
.chassis-tag { margin: 8px 0 0; font-size: 0.85rem; color: var(--text-muted); }
.chassis-shell h1 a, .chassis-shell .brand-title a { text-decoration: none; color: inherit; }