:root {
  --bg: #070b07;
  --surface: #0d140d;
  --surface-2: #111c11;
  --border: #1d3a1c;
  --green: #3fab3c;
  --green-dark: #254f24;
  --green-glow: rgba(63, 171, 60, 0.35);
  --text: #d9ead8;
  --muted: #7d977c;
  --alert: #ff3b3b;
  --alert-glow: rgba(255, 59, 59, 0.45);
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }

html, body { margin: 0; min-height: 100%; }

body {
  font-family: var(--sans);
  color: var(--text);
  background-color: var(--bg);
  background-image:
    linear-gradient(var(--green-dark) 1px, transparent 1px),
    linear-gradient(90deg, var(--green-dark) 1px, transparent 1px);
  background-size: 48px 48px;
  background-position: -1px -1px;
  background-attachment: fixed;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
}
body::before {
  background: radial-gradient(ellipse at top, transparent 0%, var(--bg) 75%);
  opacity: 0.85;
}
body::after {
  background: repeating-linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0) 0,
    rgba(0, 0, 0, 0) 2px,
    rgba(0, 0, 0, 0.18) 3px
  );
}

.topbar, .page, .footer { position: relative; z-index: 1; }

.topbar {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding: 1rem 2rem;
  border-bottom: 1px solid var(--border);
  background: rgba(7, 11, 7, 0.8);
  backdrop-filter: blur(6px);
}
.brand img { display: block; height: 36px; width: auto; }

.nav { display: flex; gap: 1.5rem; margin-right: auto; }
.nav span {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--muted);
  letter-spacing: 0.05em;
}

.sys-status {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: var(--green);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
  animation: blink 1.6s ease-in-out infinite;
}

.page {
  width: min(960px, 100% - 2rem);
  margin: 0 auto;
  padding: 4rem 0 3rem;
  flex: 1;
}
.eyebrow {
  font-family: var(--mono);
  color: var(--green);
  margin: 0 0 0.75rem;
}
h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  line-height: 1.1;
  margin: 0;
  letter-spacing: -0.02em;
}
.accent {
  color: var(--green);
  text-shadow: 0 0 18px var(--green-glow);
}
.lead {
  color: var(--muted);
  font-size: 1.15rem;
  max-width: 40ch;
  margin: 1rem 0 3rem;
}

.messages { display: grid; gap: 1rem; }

.message {
  background: linear-gradient(180deg, var(--surface-2), var(--surface));
  border: 1px solid var(--border);
  border-left: 3px solid var(--green);
  border-radius: 6px;
  padding: 1.25rem 1.5rem;
  line-height: 1.6;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font-family: var(--mono);
  font-size: clamp(1rem, 2.2vw, 1.3rem);
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--text);
  text-transform: capitalize;
  text-shadow: 1px 0 var(--green-glow), -1px 0 rgba(63, 209, 255, 0.25);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
  transition: border-color 0.3s, box-shadow 0.3s;
}
.message:hover {
  border-color: var(--green);
  box-shadow: 0 0 18px var(--green-glow);
}

.message.alert {
  position: relative;
  background: #1a0505;
  border: 1px solid var(--alert);
  border-left: 6px solid var(--alert);
  color: #fff;
  font-family: var(--mono);
  font-size: clamp(1rem, 2.2vw, 1.3rem);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-shadow: 2px 0 var(--alert), -2px 0 #3fd1ff;
  animation: pulse 2s ease-in-out infinite, glitch 3.5s steps(1) infinite;
}

.status {
  font-family: var(--mono);
  color: var(--alert);
  margin-top: 1.5rem;
  min-height: 1.5em;
}

.footer {
  display: flex;
  justify-content: space-between;
  padding: 1.25rem 2rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.85rem;
}
.mono { font-family: var(--mono); }

/* ── animations ──────────────────────────────────────── */
@keyframes blink {
  50% { opacity: 0.25; }
}
@keyframes pulse {
  50% { box-shadow: 0 0 28px var(--alert-glow); }
}
@keyframes glitch {
  0%, 92%, 100% { transform: none; }
  93% { transform: translate(-3px, 1px) skewX(-4deg); }
  95% { transform: translate(3px, -1px); }
  97% { transform: translate(-1px, 2px) skewX(3deg); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

@media (max-width: 640px) {
  .topbar { flex-wrap: wrap; gap: 1rem; padding: 1rem; }
  .nav { display: none; }
}