/* ============================================================
   lns.hk — shared design system (minimal pro)
   One stylesheet, imported by every page. Edit tokens here.
   ============================================================ */

:root {
  /* palette */
  --bg:        #0a0c10;
  --bg-soft:   #0e1117;
  --panel:     #12151c;
  --panel-2:   #161a22;
  --ink:       #e8edf4;
  --ink-dim:   #b6c0cf;
  --muted:     #8b95a7;
  --faint:     #5b6577;
  --line:      rgba(255,255,255,.08);
  --line-2:    rgba(255,255,255,.14);
  --accent:    #46e0b8;
  --accent-2:  #5b8cff;
  --ok:        #3ddc84;
  --warn:      #ffcb6b;
  --err:       #ff6b6b;

  /* type */
  --sans: "Inter", "Segoe UI", system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", "Cascadia Code", Menlo, Consolas, monospace;

  /* shape */
  --radius:   14px;
  --radius-sm:10px;
  --maxw:     1080px;
  --shadow:   0 24px 60px rgba(0,0,0,.45);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  background:
    radial-gradient(1100px 720px at 78% -12%, #15202e 0%, transparent 60%),
    var(--bg);
  color: var(--ink);
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: var(--accent-2); text-decoration: none; }
a:hover { color: var(--accent); }
::selection { background: var(--accent); color: #042018; }

/* layout helpers */
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 22px; }
.section { padding: 56px 0; }
.muted { color: var(--muted); }
.mono { font-family: var(--mono); }
.center { text-align: center; }

/* ---- nav ---- */
.nav {
  position: sticky; top: 0; z-index: 40;
  backdrop-filter: blur(12px);
  background: rgba(10,12,16,.72);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: var(--maxw); margin: 0 auto;
  display: flex; align-items: center; gap: 6px;
  padding: 13px 22px; flex-wrap: wrap;
}
.brand {
  font-weight: 800; letter-spacing: .5px; color: var(--ink);
  font-family: var(--mono); font-size: 15px; margin-right: 10px;
}
.brand .dot { color: var(--accent); }
.nav a.navlink {
  color: var(--muted); font-size: 14px; font-weight: 600;
  padding: 7px 13px; border-radius: 9px; transition: .18s;
}
.nav a.navlink:hover { color: var(--ink); background: rgba(255,255,255,.05); }
.nav .spacer { flex: 1; }
.lock::after { content: " \1F512"; font-size: 11px; opacity: .75; }

/* ---- buttons ---- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 20px; border-radius: var(--radius-sm);
  font-weight: 700; font-size: 14px; cursor: pointer;
  border: 1px solid var(--line); color: var(--ink);
  background: transparent; transition: .18s; text-decoration: none;
}
.btn:hover { background: rgba(255,255,255,.06); color: var(--ink); }
.btn.primary {
  background: linear-gradient(120deg, var(--accent), #34c7d4);
  color: #052018; border-color: transparent;
}
.btn.primary:hover { filter: brightness(1.08); color: #052018; }

/* ---- cards ---- */
.grid { display: grid; gap: 16px; }
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 860px){ .grid.cols-3,.grid.cols-4 { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 560px){ .grid.cols-2,.grid.cols-3,.grid.cols-4 { grid-template-columns: 1fr; } }

.card {
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  transition: .2s;
}
.card:hover { border-color: var(--line-2); transform: translateY(-2px); }
.card h3 { font-size: 16px; font-weight: 700; margin-bottom: 6px; color: var(--ink); }
.card p { color: var(--muted); font-size: 14px; }
.card .ico { font-size: 22px; margin-bottom: 12px; display: block; }
a.card { color: inherit; }
a.card:hover { color: inherit; }

/* ---- pill / badge ---- */
.pill {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 5px 12px; border-radius: 999px;
  border: 1px solid var(--line); background: var(--panel);
  font-size: 12.5px; color: var(--ink-dim); font-weight: 600;
}
.statusdot { width: 8px; height: 8px; border-radius: 50%; background: var(--faint); }
.statusdot.up { background: var(--ok); box-shadow: 0 0 0 4px rgba(61,220,132,.16); }
.statusdot.down { background: var(--err); box-shadow: 0 0 0 4px rgba(255,107,107,.16); }
.statusdot.pulse { animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.4} }

/* ---- headings ---- */
.eyebrow {
  color: var(--accent); font-weight: 700; letter-spacing: 2px;
  font-size: 12px; text-transform: uppercase;
}
.h-xl { font-size: clamp(36px,7vw,64px); line-height: 1.04; font-weight: 800;
  background: linear-gradient(120deg, var(--ink), #97a6bd);
  -webkit-background-clip: text; background-clip: text; color: transparent; }
.h-lg { font-size: clamp(24px,4vw,34px); font-weight: 800; }
.lead { color: var(--ink-dim); font-size: clamp(16px,2.2vw,19px); }

/* ---- tool i/o ---- */
.field {
  width: 100%; background: var(--bg-soft); border: 1px solid var(--line);
  border-radius: var(--radius-sm); color: var(--ink);
  padding: 12px 14px; font-size: 15px; font-family: var(--mono);
}
.field:focus { outline: none; border-color: var(--accent); }
.kv { display: grid; grid-template-columns: 180px 1fr; gap: 8px 16px; }
.kv dt { color: var(--muted); font-size: 13.5px; }
.kv dd { font-family: var(--mono); font-size: 14px; color: var(--ink); word-break: break-all; }
@media (max-width: 560px){ .kv { grid-template-columns: 1fr; gap: 2px 0; } .kv dd{ margin-bottom: 8px; } }
.out {
  font-family: var(--mono); font-size: 13.5px; white-space: pre-wrap;
  background: var(--bg-soft); border: 1px solid var(--line);
  border-radius: var(--radius-sm); padding: 14px; color: var(--ink-dim);
}

/* ---- footer ---- */
.footer {
  border-top: 1px solid var(--line); margin-top: 40px;
  padding: 26px 0; color: var(--muted); font-size: 13px;
}
.footer-inner { max-width: var(--maxw); margin: 0 auto; padding: 0 22px;
  display: flex; gap: 16px; flex-wrap: wrap; align-items: center; }
.footer a { color: var(--muted); }
.footer a:hover { color: var(--ink); }
.footer .spacer { flex: 1; }

/* utility */
.row { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.mt-1{margin-top:8px}.mt-2{margin-top:16px}.mt-3{margin-top:24px}.mt-4{margin-top:36px}
.copy { cursor: pointer; border: none; background: var(--panel); color: var(--muted);
  border: 1px solid var(--line); border-radius: 8px; padding: 4px 10px; font-size: 12px; }
.copy:hover { color: var(--ink); }