:root {
  --bg: #f7f8fc;
  --surface: #ffffff;
  --ink: #161a2e;
  --ink-soft: #4a4f6a;
  --muted: #7a809c;
  --primary: #3a5bd9;
  --primary-soft: #eaeeff;
  --accent: #f2994a;
  --teal: #1aa5a0;
  --line: #e4e7f2;
  --shadow: 0 1px 3px rgba(22,26,46,0.04), 0 12px 32px rgba(22,26,46,0.06);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: 'Space Mono', monospace;
  line-height: 1.7;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

/* atmospheric backdrop (replaces old dark starfield) */
.glowfield {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(ellipse 70% 50% at 50% -5%, rgba(58,91,217,0.10), transparent 60%),
    radial-gradient(ellipse 50% 40% at 95% 15%, rgba(26,165,160,0.08), transparent 60%),
    radial-gradient(ellipse 50% 40% at 0% 90%, rgba(242,153,74,0.07), transparent 60%);
}
/* subtle grid texture; .stars kept as a hook but repurposed */
.stars, .stars2, .stars3 {
  position: fixed; inset: 0; z-index: 0; pointer-events: none; opacity: 0.5;
  background-image:
    linear-gradient(rgba(22,26,46,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(22,26,46,0.025) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 20%, #000, transparent 75%);
  mask-image: radial-gradient(ellipse 80% 60% at 50% 20%, #000, transparent 75%);
}

/* nav */
nav {
  position: sticky; top: 0; z-index: 10; display: flex; align-items: center; justify-content: space-between;
  padding: 16px 32px; background: rgba(247,248,252,0.82); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
nav .brand { font-family: 'Fraunces', serif; font-weight: 600; font-size: 22px; color: var(--ink); text-decoration: none; letter-spacing: -0.5px; }
nav .brand span { color: var(--primary); }
nav .links { display: flex; gap: 4px; flex-wrap: wrap; align-items: center; }
nav .links a { color: var(--ink-soft); text-decoration: none; font-size: 13px; letter-spacing: 0.5px; text-transform: uppercase; padding: 8px 14px; border-radius: 6px; transition: all 0.2s ease; }
nav .links a:hover { color: var(--primary); background: var(--primary-soft); }
nav .links a.active { color: var(--primary); }

/* layout */
.wrap { position: relative; z-index: 1; max-width: 820px; margin: 0 auto; padding: 56px 24px 24px; }

.page-label { font-size: 12px; letter-spacing: 3px; text-transform: uppercase; color: var(--teal); margin-bottom: 14px; }
.page-title { font-family: 'Fraunces', serif; font-weight: 600; font-size: clamp(34px, 6vw, 52px); letter-spacing: -1.5px; color: var(--ink); margin-bottom: 14px; }
.lead { font-family: 'Fraunces', serif; font-style: italic; font-size: clamp(18px, 3vw, 24px); color: var(--ink-soft); font-weight: 400; margin-bottom: 36px; }

.wrap p { color: var(--ink-soft); font-size: 15px; margin-bottom: 18px; }
.wrap p strong, .wrap li strong { color: var(--ink); }

h2 { font-family: 'Fraunces', serif; font-weight: 600; font-size: clamp(24px, 4vw, 32px); letter-spacing: -1px; color: var(--ink); margin: 40px 0 18px; }

.wrap ul { list-style: none; margin: 0 0 22px; }
.wrap ul li { position: relative; padding: 6px 0 6px 26px; color: var(--ink-soft); font-size: 15px; }
.wrap ul li::before { content: ""; position: absolute; left: 4px; top: 16px; width: 7px; height: 7px; border-radius: 50%; background: var(--primary); }

a.inline { color: var(--primary); text-decoration: underline; text-underline-offset: 2px; }
a.inline:hover { color: var(--accent); }

code {
  background: var(--primary-soft); color: var(--primary);
  padding: 2px 8px; border-radius: 4px; font-size: 13px;
}

/* connection cards (help page) */
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: 14px;
  box-shadow: var(--shadow); padding: 22px 24px; margin-bottom: 14px;
}
.card .lbl { font-size: 12px; letter-spacing: 2px; text-transform: uppercase; color: var(--muted); margin-bottom: 8px; }
.card .val { font-size: 18px; color: var(--ink); word-break: break-all; }
.card .val .tls { color: var(--teal); }

/* code block (help page) */
.codeblock {
  background: var(--surface); border: 1px solid var(--line); border-left: 3px solid var(--primary);
  border-radius: 0 10px 10px 0; box-shadow: var(--shadow);
  padding: 14px 18px; margin: 0 0 18px; font-size: 14px; color: var(--ink);
  word-break: break-all;
}

/* rule items (rules page) */
.rule-item {
  background: var(--surface); border: 1px solid var(--line); border-left: 3px solid var(--primary);
  border-radius: 0 12px 12px 0; box-shadow: var(--shadow);
  padding: 16px 20px; margin-bottom: 14px;
}
.rule-item b { display: block; color: var(--ink); font-size: 14px; letter-spacing: 0.5px; margin-bottom: 6px; }
.rule-item span { color: var(--ink-soft); font-size: 14px; }

/* closing note */
.updated {
  margin-top: 44px; padding-top: 22px; border-top: 1px solid var(--line);
  font-size: 13px; color: var(--muted);
}
.updated code { font-size: 12px; }

/* footer */
footer {
  text-align: center; padding: 48px 24px 40px; position: relative; z-index: 1;
  border-top: 1px solid var(--line); margin-top: 48px; color: var(--muted); font-size: 13px;
}
footer .net { font-family: 'Fraunces', serif; font-style: italic; color: var(--primary); font-size: 18px; margin-bottom: 8px; }
footer a { color: var(--primary); text-decoration: none; }
footer a:hover { text-decoration: underline; }