:root {
  --bg: #0b0d10;
  --panel: #12161c;
  --border: #232a34;
  --text: #e8eef7;
  --muted: #8b97a8;
  --accent: #6ee7b7;
  --accent2: #60a5fa;
  --warn: #fbbf24;
  --danger: #f87171;
  --good: #34d399;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --sans: "Segoe UI", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--sans);
  background: radial-gradient(1200px 600px at 10% -10%, #132033 0%, var(--bg) 55%);
  color: var(--text);
  min-height: 100vh;
}
a { color: var(--accent2); text-decoration: none; }
a:hover { text-decoration: underline; }

.top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: rgba(11, 13, 16, 0.85);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 10;
}
.brand {
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--accent);
  font-size: 1.15rem;
  text-decoration: none;
}
nav a {
  color: var(--muted);
  margin-left: 1.1rem;
  font-size: 0.95rem;
}
nav a:hover { color: var(--text); }

main { max-width: 1100px; margin: 0 auto; padding: 2rem 1.25rem 4rem; }
footer {
  border-top: 1px solid var(--border);
  color: var(--muted);
  text-align: center;
  padding: 1.5rem;
  font-size: 0.85rem;
}

.hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  line-height: 1.15;
  margin: 0 0 0.5rem;
}
.hero p { color: var(--muted); max-width: 52ch; font-size: 1.05rem; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
  margin-top: 1.75rem;
}
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.15rem 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  transition: border-color 0.15s, transform 0.15s;
}
.card:hover {
  border-color: #3a4658;
  transform: translateY(-2px);
}
.card h3 { margin: 0; font-size: 1.05rem; }
.card .desc { color: var(--muted); font-size: 0.92rem; flex: 1; }
.card .meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 0.4rem;
}
.price {
  font-family: var(--mono);
  color: var(--accent);
  font-weight: 700;
}
.badge {
  display: inline-block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.15rem 0.55rem;
}

.btn {
  display: inline-block;
  background: linear-gradient(135deg, #34d399, #2dd4bf);
  color: #042f2e;
  font-weight: 700;
  border: none;
  border-radius: 10px;
  padding: 0.65rem 1.1rem;
  cursor: pointer;
  font-size: 0.95rem;
}
.btn:hover { filter: brightness(1.05); text-decoration: none; }
.btn.secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn.danger { background: var(--danger); color: #1f0505; }

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.25rem;
  margin-bottom: 1rem;
}
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.75rem;
}
.stat {
  background: #0e1319;
  border-radius: 10px;
  padding: 0.85rem;
  border: 1px solid var(--border);
}
.stat .label { color: var(--muted); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.05em; }
.stat .value { font-family: var(--mono); font-size: 1.25rem; margin-top: 0.25rem; }
.stat .value.good { color: var(--good); }
.stat .value.warn { color: var(--warn); }

table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
th, td { text-align: left; padding: 0.55rem 0.4rem; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; font-size: 0.78rem; text-transform: uppercase; }

.task {
  border-left: 3px solid var(--warn);
  padding-left: 0.85rem;
  margin: 1rem 0;
}
.task h3 { margin: 0 0 0.35rem; }
.task pre {
  white-space: pre-wrap;
  background: #0e1319;
  padding: 0.85rem;
  border-radius: 8px;
  color: var(--muted);
  font-size: 0.88rem;
  overflow-x: auto;
}
.muted { color: var(--muted); }
.mono { font-family: var(--mono); }
.row { display: flex; gap: 0.75rem; flex-wrap: wrap; align-items: center; }
hr { border: none; border-top: 1px solid var(--border); margin: 1.5rem 0; }

.product-detail h1 { margin-top: 0; }
.product-detail .price-lg {
  font-size: 1.8rem;
  font-family: var(--mono);
  color: var(--accent);
  font-weight: 800;
}
input[type="email"] {
  background: #0e1319;
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 10px;
  padding: 0.65rem 0.85rem;
  min-width: 240px;
}