/* Nyxegis — «защита под покровом ночи». Тёмная тема по умолчанию, светлая по системной настройке. */
:root {
  --bg: #0b0f1e; --bg2: #121833; --card: #161d3d; --line: #27305e;
  --text: #e8eaf6; --muted: #a3a9cf; --accent: #8b7cf6; --accent2: #6d5dfc; --moon: #e7c46b;
  --ok: #3ccf91; --warn: #f2b84b; --bad: #ff6b81; --info: #6cb4ff;
  --radius: 14px; --shadow: 0 6px 24px rgba(0,0,0,.25);
  color-scheme: dark;
}
@media (prefers-color-scheme: light) {
  :root { --bg: #f4f5fb; --bg2: #ffffff; --card: #ffffff; --line: #dfe2f1; --text: #171a33; --muted: #5d6385;
          --accent: #5b4bea; --accent2: #4a3bd6; --shadow: 0 4px 18px rgba(30,30,80,.08); color-scheme: light; }
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: radial-gradient(1200px 600px at 80% -10%, #2a1f7a33, transparent), var(--bg);
       color: var(--text); font: 15px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; min-height: 100vh; }
a { color: var(--accent); text-decoration: none; } a:hover { text-decoration: underline; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 16px; }
header.top { border-bottom: 1px solid var(--line); background: color-mix(in srgb, var(--bg2) 85%, transparent);
             position: sticky; top: 0; z-index: 5; backdrop-filter: blur(8px); }
header.top .wrap { display: flex; align-items: center; gap: 16px; min-height: 58px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 700; font-size: 18px; letter-spacing: .3px; }
.brand img { width: 32px; height: 32px; } .brand small { color: var(--muted); font-weight: 400; font-size: 12px; display: block; }
nav.menu { display: flex; gap: 4px; flex-wrap: wrap; margin-left: auto; }
nav.menu a { color: var(--muted); padding: 6px 10px; border-radius: 9px; }
nav.menu a.on, nav.menu a:hover { color: var(--text); background: var(--card); text-decoration: none; }
main { padding: 22px 0 48px; }
h1 { font-size: 24px; margin: 4px 0 16px; } h2 { font-size: 18px; margin: 22px 0 10px; } h3 { font-size: 16px; margin: 14px 0 8px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow); margin-bottom: 16px; }
.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.muted { color: var(--muted); } .small { font-size: 13px; } .mono { font-family: ui-monospace, Consolas, monospace; word-break: break-all; }
.badge { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: 12px; font-weight: 600; border: 1px solid transparent; white-space: nowrap; }
.b-ok { background: #3ccf9122; color: var(--ok); border-color: #3ccf9155; }
.b-warn { background: #f2b84b22; color: var(--warn); border-color: #f2b84b55; }
.b-bad { background: #ff6b8122; color: var(--bad); border-color: #ff6b8155; }
.b-info { background: #6cb4ff22; color: var(--info); border-color: #6cb4ff55; }
.b-muted { background: #a3a9cf1a; color: var(--muted); border-color: #a3a9cf44; }
.notice { border-left: 4px solid var(--moon); background: #e7c46b14; padding: 12px 14px; border-radius: 10px; margin: 12px 0; }
.notice.bad { border-color: var(--bad); background: #ff6b8114; } .notice.ok { border-color: var(--ok); background: #3ccf9114; }
.flash { padding: 10px 14px; border-radius: 10px; margin-bottom: 14px; border: 1px solid var(--line); }
.flash.error { border-color: var(--bad); color: var(--bad); } .flash.success { border-color: var(--ok); color: var(--ok); }
table { width: 100%; border-collapse: collapse; } th, td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: 13px; }
.table-wrap { overflow-x: auto; }
form.inline { display: inline; }
label { display: block; font-size: 13px; color: var(--muted); margin: 10px 0 4px; }
input, select, textarea { width: 100%; padding: 10px 12px; border-radius: 10px; border: 1px solid var(--line); background: var(--bg2); color: var(--text); font: inherit; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.row { display: grid; gap: 10px; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
button, .btn { display: inline-block; cursor: pointer; border: 0; border-radius: 10px; padding: 10px 16px; font: inherit; font-weight: 600;
               background: linear-gradient(180deg, var(--accent), var(--accent2)); color: #fff; text-decoration: none; }
button:hover, .btn:hover { filter: brightness(1.08); text-decoration: none; }
.btn.ghost, button.ghost { background: transparent; border: 1px solid var(--line); color: var(--text); }
.btn.danger, button.danger { background: linear-gradient(180deg, #ff6b81, #d84a63); }
.btn.small, button.small { padding: 6px 10px; font-size: 13px; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: 6px 16px; } .kv dt { color: var(--muted); } .kv dd { margin: 0; }
.qr { background: #fff; padding: 10px; border-radius: 12px; display: inline-block; } .qr img { width: 220px; height: 220px; display: block; }
.copy { display: flex; gap: 8px; } .copy input { font-family: ui-monospace, Consolas, monospace; font-size: 13px; }
.steps { counter-reset: s; list-style: none; padding: 0; } .steps li { counter-increment: s; position: relative; padding: 0 0 12px 38px; }
.steps li::before { content: counter(s); position: absolute; left: 0; top: 0; width: 26px; height: 26px; border-radius: 50%;
                    background: var(--accent2); color: #fff; display: grid; place-items: center; font-weight: 700; font-size: 13px; }
.hero { text-align: center; padding: 40px 0 10px; } .hero img { width: 88px; height: 88px; }
.hero p { color: var(--muted); max-width: 560px; margin: 8px auto; }
.auth-box { max-width: 420px; margin: 30px auto; }
footer.bottom { border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; padding: 16px 0 28px; }
details summary { cursor: pointer; color: var(--accent); }
code, pre { font-family: ui-monospace, Consolas, monospace; font-size: 13px; } pre { white-space: pre-wrap; background: var(--bg2); padding: 10px; border-radius: 10px; border: 1px solid var(--line); }
@media (max-width: 640px) { h1 { font-size: 21px; } .kv { grid-template-columns: 1fr; } .kv dt { margin-top: 6px; } nav.menu { margin-left: 0; width: 100%; } }