/* ===== odexf homepage — dark / grid / scanline ===== */
:root {
  --bg: #06080d;
  --bg-soft: #0b0f17;
  --panel: rgba(16, 22, 33, 0.55);
  --line: rgba(94, 234, 212, 0.10);
  --line-strong: rgba(94, 234, 212, 0.22);
  --text: #c7d2e0;
  --text-dim: #5b6b7e;
  --text-mute: #3a4757;
  --accent: #5eead4;       /* teal */
  --accent-2: #34d399;     /* green */
  --warn: #fbbf24;
  --bad: #f87171;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ===== background layers ===== */
.grid-bg {
  position: fixed; inset: 0; z-index: -3;
  background-image:
    linear-gradient(to right, var(--line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse 120% 90% at 50% 0%, #000 30%, transparent 80%);
}
.scanlines {
  position: fixed; inset: 0; z-index: -2; pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    rgba(255,255,255,0.012) 0 1px,
    transparent 1px 3px
  );
  mix-blend-mode: overlay;
  animation: scan 8s linear infinite;
}
@keyframes scan {
  0% { transform: translateY(0); }
  100% { transform: translateY(3px); }
}
.vignette {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(94,234,212,0.06), transparent 60%);
}

/* ===== topbar ===== */
.topbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 18px 28px;
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(6px);
  position: sticky; top: 0; z-index: 10;
  background: rgba(6, 8, 13, 0.6);
}
.mono { font-family: var(--mono); font-size: 12px; letter-spacing: 0.08em; }
.dim { color: var(--text-dim); }
.mute { color: var(--text-mute); }

.dot-live {
  display: inline-block; width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent-2); margin-right: 10px; vertical-align: middle;
  box-shadow: 0 0 8px var(--accent-2);
  animation: breathe 2.4s ease-in-out infinite;
}
@keyframes breathe {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.45; transform: scale(0.8); }
}

/* ===== layout ===== */
main {
  max-width: 880px;
  margin: 0 auto;
  padding: 64px 28px 96px;
}

/* ===== hero ===== */
.hero { padding: 24px 0 80px; }
.kicker { color: var(--accent); margin: 0 0 18px; }
h1 {
  font-family: var(--mono);
  font-size: clamp(56px, 12vw, 112px);
  font-weight: 600;
  letter-spacing: -0.04em;
  margin: 0 0 24px;
  line-height: 1;
  background: linear-gradient(180deg, #e6f4ff 0%, #5eead4 120%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.tagline {
  font-size: 18px; color: var(--text); max-width: 540px; margin: 0 0 32px;
}
.hero-meta {
  display: flex; flex-wrap: wrap; gap: 22px;
  border-top: 1px solid var(--line); padding-top: 18px;
}

/* ===== status section ===== */
.section-head {
  display: flex; align-items: baseline; justify-content: space-between;
  margin-bottom: 22px;
}
h2 {
  font-size: 14px; font-family: var(--mono); font-weight: 500;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--text); margin: 0;
  padding-left: 14px; border-left: 2px solid var(--accent);
}

.status-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 14px;
}
.card {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 20px 20px 18px;
  text-decoration: none; color: inherit;
  transition: border-color .25s, transform .25s, background .25s;
  overflow: hidden;
}
.card::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 2px;
  background: var(--text-mute);
}
.card.online::before { background: var(--accent-2); box-shadow: 0 0 12px var(--accent-2); }
.card.degraded::before { background: var(--warn); box-shadow: 0 0 12px var(--warn); }
.card.offline::before { background: var(--bad); box-shadow: 0 0 12px var(--bad); }
.card:hover {
  border-color: var(--line-strong);
  transform: translateY(-2px);
  background: rgba(20, 28, 42, 0.6);
}

.card-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 14px;
}
.card-host {
  font-family: var(--mono); font-size: 14px; color: var(--text);
  letter-spacing: 0.02em;
}
.card-status {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em;
  color: var(--text-dim); text-transform: uppercase;
}
.pulse {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--text-mute); position: relative;
}
.card.online .pulse { background: var(--accent-2); }
.card.online .pulse::after {
  content: ""; position: absolute; inset: -4px; border-radius: 50%;
  border: 1px solid var(--accent-2); animation: ripple 1.8s ease-out infinite;
}
.card.degraded .pulse { background: var(--warn); }
.card.offline .pulse { background: var(--bad); }
@keyframes ripple {
  0% { transform: scale(0.6); opacity: 1; }
  100% { transform: scale(2.2); opacity: 0; }
}

.card-meta {
  display: grid; grid-template-columns: auto 1fr; gap: 4px 14px;
  font-family: var(--mono); font-size: 11px;
}
.card-meta .k { color: var(--text-mute); }
.card-meta .v { color: var(--text-dim); text-align: right; }
.card.online .v.lat { color: var(--accent); }

.hint { margin-top: 18px; font-size: 11px; }

/* skeleton */
.card.skeleton {
  height: 132px; border-style: dashed;
  background: linear-gradient(90deg, rgba(255,255,255,0.02), rgba(255,255,255,0.05), rgba(255,255,255,0.02));
  background-size: 200% 100%; animation: shimmer 1.4s linear infinite;
}
.card.skeleton::before { display: none; }
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

/* ===== links ===== */
.links { margin-top: 80px; display: flex; flex-direction: column; gap: 1px; }
.link-row {
  display: flex; align-items: center; gap: 18px;
  padding: 16px 4px; border-bottom: 1px solid var(--line);
  text-decoration: none; color: var(--text);
  transition: padding-left .25s, color .25s;
}
.link-row:hover { padding-left: 12px; color: var(--accent); }
.link-row .arrow { margin-left: auto; color: var(--text-mute); }
.link-row:hover .arrow { color: var(--accent); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }

/* ===== footer ===== */
.footer {
  max-width: 880px; margin: 0 auto; padding: 28px;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px;
  border-top: 1px solid var(--line);
  font-size: 11px;
}

/* ===== responsive ===== */
@media (max-width: 560px) {
  main { padding: 40px 20px 64px; }
  .hero { padding: 8px 0 56px; }
  .topbar { padding: 14px 18px; }
  .footer { padding: 22px 18px; }
  .hero-meta { gap: 14px; }
}

@media (prefers-reduced-motion: reduce) {
  .scanlines, .dot-live, .card.online .pulse::after { animation: none; }
}