:root {
  --bg: #131417;
  --surface: #2b2d31;
  --surface-2: #1e1f22;
  --surface-3: #35373c;
  --border: #3a3c41;
  --text: #dbdee1;
  --text-strong: #ffffff;
  --muted: #8b8f96;
  --accent: #7c6cff;
  --accent-hover: #8f81ff;
  --accent-soft: rgba(124, 108, 255, 0.14);
  --good: #3ba55d;
  --bad: #ed4245;
  --radius: 12px;
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background:
    radial-gradient(900px 500px at 50% -10%, rgba(124, 108, 255, 0.13), transparent 70%),
    var(--bg);
  color: var(--text);
  font: 15px/1.6 "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }
h1, h2, h3 { color: var(--text-strong); line-height: 1.25; margin: 0 0 12px; }
h1 { font-size: 30px; letter-spacing: -0.02em; }
h2 { font-size: 21px; }
p { margin: 0 0 16px; }
code, .mono { font-family: Consolas, "SF Mono", Menlo, monospace; }

.wrap { width: min(1080px, 100% - 40px); margin: 0 auto; }
main { flex: 1; padding: 40px 0 72px; }
.stack > * + * { margin-top: 16px; }
.muted { color: var(--muted); }
.small { font-size: 13px; }

/* ---------- header ---------- */
header.site {
  border-bottom: 1px solid var(--border);
  background: rgba(19, 20, 23, 0.85);
  backdrop-filter: blur(12px);
  position: sticky; top: 0; z-index: 20;
}
header.site .wrap { display: flex; align-items: center; gap: 8px; height: 62px; }
.brand { font-weight: 700; font-size: 17px; color: var(--text-strong); letter-spacing: -0.01em; margin-right: auto; }
.brand span { color: var(--accent); }
nav.site a, nav.site button {
  color: var(--muted); padding: 8px 12px; border-radius: 8px; font-size: 14px;
  background: none; border: 0; cursor: pointer; font-family: inherit;
}
nav.site a:hover, nav.site button:hover { color: var(--text-strong); background: var(--surface); }
nav.site a.active { color: var(--text-strong); background: var(--surface); }
nav.site form { display: inline; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 20px; border-radius: 9px; border: 1px solid transparent;
  font-size: 14px; font-weight: 600; font-family: inherit; cursor: pointer;
  background: var(--surface-3); color: var(--text-strong);
  transition: background .15s, transform .05s, border-color .15s;
}
.btn:hover { background: #40434a; color: var(--text-strong); }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); }
.btn-primary:hover { background: var(--accent-hover); }
.btn-ghost { background: transparent; border-color: var(--border); color: var(--text); }
.btn-ghost:hover { background: var(--surface); }
.btn-danger { background: transparent; border-color: var(--border); color: var(--bad); }
.btn-danger:hover { background: rgba(237, 66, 69, 0.12); color: var(--bad); }
.btn-block { width: 100%; }
.btn-sm { padding: 7px 13px; font-size: 13px; }

/* ---------- cards & grid ---------- */
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px;
}
.grid { display: grid; gap: 20px; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }

.product-card {
  display: flex; flex-direction: column; overflow: hidden; padding: 0;
  transition: border-color .18s, transform .18s, box-shadow .18s;
}
.product-card:hover { border-color: var(--accent); transform: translateY(-3px); box-shadow: var(--shadow); }
.product-card .thumb {
  aspect-ratio: 16 / 10; background: var(--surface-2) center/cover no-repeat;
  display: grid; place-items: center; color: var(--muted); font-size: 13px;
  border-bottom: 1px solid var(--border);
}
.product-card .body { padding: 20px; display: flex; flex-direction: column; flex: 1; }
.product-card h3 { margin-bottom: 4px; font-size: 17px; }
.product-card .tagline { color: var(--muted); font-size: 14px; flex: 1; margin-bottom: 18px; }
.product-card .foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.price { font-size: 19px; font-weight: 700; color: var(--text-strong); }

/* ---------- hero ---------- */
.hero { padding: 56px 0 44px; text-align: center; }
.hero h1 { font-size: clamp(32px, 5vw, 46px); margin-bottom: 14px; }
.hero p { color: var(--muted); font-size: 17px; max-width: 560px; margin: 0 auto 28px; }
.pill {
  display: inline-block; padding: 5px 13px; border-radius: 999px; font-size: 12px;
  font-weight: 600; letter-spacing: .04em; text-transform: uppercase;
  background: var(--accent-soft); color: var(--accent-hover); margin-bottom: 18px;
}

/* ---------- forms ---------- */
.form-narrow { max-width: 420px; margin: 24px auto; }
label { display: block; font-size: 13px; font-weight: 600; color: var(--text); margin-bottom: 6px; }
input[type=text], input[type=email], input[type=password], input[type=number], input[type=file], textarea, select {
  width: 100%; padding: 11px 13px; border-radius: 9px;
  background: var(--surface-2); border: 1px solid var(--border); color: var(--text);
  font: inherit; font-size: 14px;
}
input:focus, textarea:focus, select:focus {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft);
}
textarea { min-height: 130px; resize: vertical; }
.field + .field { margin-top: 16px; }
.hint { font-size: 12px; color: var(--muted); margin-top: 6px; }
.check { display: flex; align-items: center; gap: 9px; }
.check input { width: auto; }
.check label { margin: 0; }

/* ---------- notices ---------- */
.notice { padding: 13px 16px; border-radius: 9px; font-size: 14px; border: 1px solid; margin-bottom: 18px; }
.notice-error { background: rgba(237, 66, 69, 0.1); border-color: rgba(237, 66, 69, 0.4); color: #ffb3b4; }
.notice-good { background: rgba(59, 165, 93, 0.1); border-color: rgba(59, 165, 93, 0.4); color: #9ee0b4; }
.notice-info { background: var(--accent-soft); border-color: rgba(124, 108, 255, 0.4); color: #c6bfff; }

/* ---------- tables ---------- */
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; font-size: 12px; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); padding: 0 12px 10px; font-weight: 600; }
td { padding: 13px 12px; border-top: 1px solid var(--border); }
tbody tr:hover { background: rgba(255, 255, 255, 0.02); }

.tag { display: inline-block; padding: 3px 9px; border-radius: 6px; font-size: 12px; font-weight: 600; }
.tag-good { background: rgba(59, 165, 93, 0.16); color: #7fd99b; }
.tag-warn { background: rgba(250, 166, 26, 0.16); color: #f0b757; }
.tag-off { background: var(--surface-3); color: var(--muted); }

.key {
  font-family: Consolas, monospace; font-size: 16px; letter-spacing: .06em;
  background: var(--surface-2); border: 1px solid var(--border);
  padding: 12px 16px; border-radius: 9px; color: var(--text-strong);
  word-break: break-all;
}

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 16px; margin-bottom: 28px; }
.stat .n { font-size: 27px; font-weight: 700; color: var(--text-strong); }
.stat .l { font-size: 12px; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }

.page-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 26px; flex-wrap: wrap; }
.page-head h1 { margin: 0; }

footer.site {
  border-top: 1px solid var(--border); padding: 26px 0; font-size: 13px; color: var(--muted);
}
footer.site .wrap { display: flex; gap: 18px; flex-wrap: wrap; align-items: center; }
footer.site a { color: var(--muted); }
footer.site a:hover { color: var(--text); }
footer.site .spacer { margin-left: auto; }

.center { text-align: center; }
.empty { padding: 56px 20px; text-align: center; color: var(--muted); }

@media (max-width: 640px) {
  .hero { padding: 36px 0 28px; }
  .card { padding: 18px; }
  header.site .wrap { height: auto; padding: 10px 0; flex-wrap: wrap; }
  table, thead, tbody, th, td, tr { display: block; }
  thead { display: none; }
  td { border: 0; padding: 4px 0; }
  tbody tr { border-top: 1px solid var(--border); padding: 14px 0; }
}