:root {
  --bg: #0e1116; --panel: #161b22; --panel2: #1c232d; --line: #2a3340; --text: #e6edf3; --muted: #8b98a8;
  --accent: #3fb6ff; --accent2: #7c5cff; --ok: #3fcf8e; --warn: #f5a524; --err: #ff5c6c;
  --radius: 10px;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text);
  font: 16px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 2rem; margin: .2em 0 .5em; }
h2 { font-size: 1.35rem; margin: 1.6em 0 .6em; }
h3 { font-size: 1.05rem; margin: 1.2em 0 .4em; }
p { margin: .5em 0 1em; }
code, .mono { font-family: ui-monospace, Consolas, monospace; font-size: .92em; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 440px; margin: 40px auto; padding: 0 20px; }
.wide { max-width: 1400px; margin: 0 auto; padding: 0 20px; }
.envbar { background: #5a3d00; color: #ffd38a; text-align: center; font-size: .82rem; padding: 3px; }
header.top { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  padding: 14px 24px; border-bottom: 1px solid var(--line); background: rgba(14,17,22,.92);
  position: sticky; top: 0; z-index: 5; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-size: 1.15rem; }
.brand b { color: var(--accent); }
header nav { display: flex; gap: 18px; align-items: center; flex-wrap: wrap; }
header nav a { color: var(--text); }
footer.foot { border-top: 1px solid var(--line); margin-top: 70px; padding: 24px 0; color: var(--muted); font-size: .9rem; }
footer.foot .wrap { display: flex; gap: 22px; flex-wrap: wrap; }
footer.foot a { color: var(--muted); }
.flash { max-width: 1080px; margin: 16px auto 0; padding: 12px 16px; border-radius: var(--radius); }
.flash.ok { background: #10301f; border: 1px solid #1f6b43; }
.flash.error, .alert.error { background: #3a1419; border: 1px solid #7a2832; }
.alert { padding: 12px 16px; border-radius: var(--radius); margin: 12px 0; background: var(--panel2); border: 1px solid var(--line); }
.alert.warn { background: #33270b; border-color: #6b5214; }
.alert.ok { background: #10301f; border-color: #1f6b43; }
.btn, button { display: inline-block; background: linear-gradient(135deg, var(--accent), var(--accent2)); color: #fff;
  border: 0; border-radius: 8px; padding: 10px 18px; font: inherit; font-weight: 600; cursor: pointer; text-decoration: none; }
.btn:hover, button:hover { filter: brightness(1.1); text-decoration: none; }
.btn.small, button.small { padding: 6px 12px; font-size: .9rem; }
.btn.ghost, button.ghost { background: transparent; border: 1px solid var(--line); color: var(--text); }
button.danger, .btn.danger { background: #a3263a; }
.btn.big { padding: 14px 26px; font-size: 1.1rem; }
.oauth { display: flex; flex-direction: column; gap: 10px; margin: 16px 0; }
.oauth .btn { background: var(--panel2); border: 1px solid var(--line); text-align: center; }
.sep { text-align: center; color: var(--muted); margin: 16px 0; font-size: .9rem; }
form.stack label { display: block; margin: 12px 0 4px; color: var(--muted); font-size: .92rem; }
input[type=text], input[type=email], input[type=password], input[type=number], input[type=search], select, textarea {
  width: 100%; padding: 10px 12px; background: var(--panel2); color: var(--text); border: 1px solid var(--line);
  border-radius: 8px; font: inherit; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); border-color: transparent; }
textarea { min-height: 110px; }
.check { display: flex; gap: 8px; align-items: flex-start; margin: 12px 0; color: var(--text) !important; }
.check input { margin-top: 5px; }
form.stack button { margin-top: 18px; width: 100%; }
form.inline { display: inline-flex; gap: 8px; align-items: center; flex-wrap: wrap; margin: 0; }
form.inline input, form.inline select { width: auto; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 22px; margin: 16px 0; }
.card h2:first-child, .card h3:first-child { margin-top: 0; }
.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.stat { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; }
.stat .v { font-size: 1.7rem; font-weight: 700; }
.stat .l { color: var(--muted); font-size: .85rem; }
.muted { color: var(--muted); }
.small { font-size: .88rem; }
.key { font-family: ui-monospace, Consolas, monospace; font-size: 1.25rem; letter-spacing: .06em; background: var(--panel2);
  border: 1px dashed var(--accent); padding: 10px 14px; border-radius: 8px; display: inline-block; user-select: all; }
.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: .78rem; font-weight: 600;
  background: var(--panel2); border: 1px solid var(--line); }
.badge.ok { background: #10301f; border-color: #1f6b43; color: #7ff0b6; }
.badge.warn { background: #33270b; border-color: #6b5214; color: #ffd38a; }
.badge.err { background: #3a1419; border-color: #7a2832; color: #ff9aa5; }
table { width: 100%; border-collapse: collapse; font-size: .93rem; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: .85rem; }
.tablewrap { overflow-x: auto; }
.hero { text-align: center; padding: 70px 0 40px; }
.hero h1 { font-size: 2.8rem; line-height: 1.15; }
.hero p { font-size: 1.2rem; color: var(--muted); max-width: 700px; margin: 0 auto 26px; }
.features { display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); margin: 30px 0; }
.features .card h3 { margin-top: 0; color: var(--accent); }
.price { font-size: 2.2rem; font-weight: 800; }
.plans { display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.plan.best { border-color: var(--accent); }
.codes { display: grid; grid-template-columns: repeat(2, 1fr); gap: 6px; font-family: ui-monospace, Consolas, monospace; }
.qr svg { background: #fff; padding: 8px; border-radius: 8px; width: 210px; height: 210px; }
.tabs { display: flex; gap: 4px; flex-wrap: wrap; border-bottom: 1px solid var(--line); margin: 10px 0 20px; }
.tabs a { padding: 8px 14px; color: var(--muted); border-bottom: 2px solid transparent; }
.tabs a.on { color: var(--text); border-bottom-color: var(--accent); }
.row { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.spacer { flex: 1; }
details summary { cursor: pointer; color: var(--accent); }
.chart rect { fill: var(--accent); }
.chart text { fill: var(--muted); font-size: 7px; }
.legal h2 { font-size: 1.15rem; }
.placeholder { border: 2px dashed var(--warn); padding: 14px; border-radius: var(--radius); color: #ffd38a; }
pre.notes { white-space: pre-wrap; font: inherit; margin: 0; }
@media (max-width: 640px) { .hero h1 { font-size: 2rem; } header.top { padding: 12px 16px; } .codes { grid-template-columns: 1fr; } }
.row.center { justify-content: center; }