@import '../shared/stack-vars.css';
@import '../shared/stack-layout.css';

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'IBM Plex Mono', ui-monospace, monospace;
  background: #08090c;
  color: #9ca3af;
  font-size: 0.75rem;
}

.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  display: flex; gap: 1rem; padding: 0.5rem 1rem; font-size: 0.62rem;
  background: rgba(8,9,12,0.95); border-bottom: 1px solid #1e2430;
}

.nav a { color: #5a6478; text-decoration: none; }
.nav a:hover { color: #4ade80; }
#depth { margin-left: auto; color: #4ade80; font-weight: 600; }

.rack-frame {
  width: min(600px, 100%);
  margin: 0 auto;
  padding: var(--stack-nav) 0.5rem 0;
  border-left: 4px solid #2a3040;
  border-right: 4px solid #2a3040;
  background: linear-gradient(90deg, #0c0e14 0%, #12141a 8%, #12141a 92%, #0c0e14 100%);
}

.rack-label {
  font-size: 0.55rem; letter-spacing: 0.2em; color: #3a4458;
  padding: 0 0.5rem 0.65rem; border-bottom: 1px dashed #2a3040;
}

.mount { padding: 0 0.25rem; }

.unit {
  position: sticky;
  margin: 0;
  border: 1px solid #2a3448;
  background: #161a22;
  border-radius: 2px;
  box-shadow: 0 6px 0 #0a0c10, 0 12px 24px rgba(0,0,0,0.4);
  z-index: 10;
}

.unit-head {
  display: flex; align-items: center; gap: 0.5rem;
  padding: 0.4rem 0.65rem;
  background: #1a2030;
  border-bottom: 1px solid #2a3448;
}

.unit-head button.jump {
  background: none; border: none; font: inherit; color: inherit;
  cursor: pointer; display: flex; align-items: center; gap: 0.5rem; flex: 1;
  text-align: left; padding: 0;
}

.unit-head button.jump:hover .uid { color: #4ade80; }

.led { width: 6px; height: 6px; border-radius: 50%; background: #3a4458; flex-shrink: 0; }
.led.on { background: #4ade80; box-shadow: 0 0 6px #4ade80; }
.led.blink { background: #fbbf24; animation: blink 1.2s ease infinite; }
@keyframes blink { 50% { opacity: 0.35; } }

.uid { color: #6b7280; font-weight: 600; min-width: 1.4rem; }
.svc { color: #9ca3af; text-transform: uppercase; letter-spacing: 0.08em; flex: 1; }
.unit-head a.ext { color: #60a5fa; text-decoration: none; font-size: 0.58rem; }

.unit-body {
  padding: 0.6rem 0.7rem 2rem;
  min-height: var(--stack-body-h);
  background: #161a22;
}

.u0 { top: calc(var(--stack-stick) + var(--stack-step) * 0); }
.u0 .unit-body { margin-top: calc(var(--stack-reveal) - var(--stack-stick) - var(--stack-tab-h)); }

.u1 { top: calc(var(--stack-stick) + var(--stack-step) * 1); }
.u1 .unit-body { margin-top: calc(var(--stack-reveal) - var(--stack-stick) - var(--stack-step) * 1 - var(--stack-tab-h)); }

.u2 { top: calc(var(--stack-stick) + var(--stack-step) * 2); }
.u2 .unit-body { margin-top: calc(var(--stack-reveal) - var(--stack-stick) - var(--stack-step) * 2 - var(--stack-tab-h)); }

.u3 { top: calc(var(--stack-stick) + var(--stack-step) * 3); }
.u3 .unit-body { margin-top: calc(var(--stack-reveal) - var(--stack-stick) - var(--stack-step) * 3 - var(--stack-tab-h)); }

.u4 { top: calc(var(--stack-stick) + var(--stack-step) * 4); }
.u4 .unit-body { margin-top: calc(var(--stack-reveal) - var(--stack-stick) - var(--stack-step) * 4 - var(--stack-tab-h)); }

.u5 { top: calc(var(--stack-stick) + var(--stack-step) * 5); }
.u5 .unit-body { margin-top: calc(var(--stack-reveal) - var(--stack-stick) - var(--stack-step) * 5 - var(--stack-tab-h)); }

.u6 { top: calc(var(--stack-stick) + var(--stack-step) * 6); }
.u6 .unit-body { margin-top: calc(var(--stack-reveal) - var(--stack-stick) - var(--stack-step) * 6 - var(--stack-tab-h)); }

.unit-body strong { color: #e5e7eb; display: block; margin-bottom: 0.2rem; }
.unit-body p { color: #6b7280; font-size: 0.7rem; }
.unit-body a { color: #60a5fa; text-decoration: none; }

.foot {
  display: flex; justify-content: space-between;
  width: min(600px, 100%); margin: 0 auto;
  padding: 1rem 1.25rem 2.5rem; font-size: 0.58rem; color: #3a4458;
}
.foot a { color: #3a4458; text-decoration: none; }