:root {
  --bg: #0b1220;
  --bg-2: #111b2e;
  --card: #16233a;
  --ink: #e8eef8;
  --muted: #9aabc4;
  --line: #2a3c5a;
  --accent: #3d8bfd;
  --good: #3dd68c;
  --warn: #f5c542;
  --bad: #ff6b7a;
  --radius: 14px;
  font-family: "Segoe UI", system-ui, sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--ink); }
a { color: var(--accent); }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 20px; }
header.app {
  position: sticky; top: 0; z-index: 20;
  background: rgba(11,18,32,.92); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
header.app .bar { display: flex; align-items: center; gap: 16px; min-height: 64px; }
.brand { font-weight: 800; letter-spacing: .02em; color: #fff; text-decoration: none; }
nav.primary { display: flex; gap: 6px; flex-wrap: wrap; }
nav.primary a {
  color: var(--muted); text-decoration: none; padding: 8px 10px; border-radius: 8px; font-size: 14px;
}
nav.primary a:hover, nav.primary a.on { background: var(--card); color: #fff; }
.hero { padding: 48px 0 24px; }
.hero h1 { font-size: clamp(28px, 4vw, 44px); margin: 0 0 12px; }
.lede { color: var(--muted); max-width: 70ch; line-height: 1.55; }
.grid { display: grid; gap: 16px; }
.stats { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px;
}
.card h3 { margin: 0 0 8px; font-size: 15px; color: var(--muted); font-weight: 600; }
.big { font-size: 32px; font-weight: 800; }
.delta.up { color: var(--bad); }
.delta.down { color: var(--good); }
.section { padding: 28px 0; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-weight: 600; }
.neg { color: var(--good); }
.pos { color: var(--bad); }
.actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 16px; }
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--accent); color: #061018; font-weight: 700;
  border: 0; border-radius: 10px; padding: 10px 14px; text-decoration: none; cursor: pointer;
}
.btn.ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }
label { display: block; font-size: 13px; color: var(--muted); margin: 10px 0 4px; }
input, select, textarea {
  width: 100%; background: var(--bg-2); color: var(--ink);
  border: 1px solid var(--line); border-radius: 10px; padding: 10px;
}
textarea { min-height: 280px; font-family: ui-monospace, monospace; font-size: 13px; }
.cols { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 800px) { .cols { grid-template-columns: 1fr; } nav.primary { display: none; } }
.note { font-size: 12px; color: var(--muted); line-height: 1.45; }
footer { border-top: 1px solid var(--line); padding: 28px 0; color: var(--muted); font-size: 13px; }
.badge { display: inline-block; background: #1e3358; color: #cfe2ff; padding: 3px 8px; border-radius: 999px; font-size: 12px; }
.workflow { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; }
.step { counter-increment: s; }
.chart { display: flex; align-items: flex-end; gap: 8px; height: 180px; padding-top: 8px; }
.barcol { flex: 1; display: flex; flex-direction: column; justify-content: flex-end; align-items: center; height: 100%; }
.barcol .b { width: 100%; background: linear-gradient(180deg, #5aa2ff, #1d5fbf); border-radius: 6px 6px 0 0; min-height: 4px; }
.barcol span { font-size: 10px; color: var(--muted); margin-top: 6px; text-align: center; }
.alert { background: #2a1d12; border: 1px solid #6a4a22; color: #ffd9a8; padding: 12px 14px; border-radius: 10px; }
.ok { background: #10291d; border: 1px solid #1f6a44; color: #b7f5d2; padding: 12px 14px; border-radius: 10px; }
.callout { background: #1a1428; border: 1px solid #5a3d8a; padding: 16px 18px; border-radius: 12px; margin: 16px 0; }
.copied { color: var(--good); font-size: 13px; }
.mailto-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
#draft { min-height: 420px; line-height: 1.5; }
.mobile-nav { display: none; width: 100%; margin-top: 8px; }
@media (max-width: 800px) { .mobile-nav { display: block; } }