:root {
  --bg: #0b0f14;
  --bg-elev: #121820;
  --bg-card: #161d27;
  --border: #243041;
  --text: #e8eef6;
  --muted: #9aabbd;
  --faint: #6b7c90;
  --accent: #3dd68c;
  --accent-dim: #2a9d66;
  --accent-soft: rgba(61, 214, 140, 0.12);
  --warn: #f0c14a;
  --warn-soft: rgba(240, 193, 74, 0.14);
  --danger: #f0785a;
  --danger-soft: rgba(240, 120, 90, 0.14);
  --radius: 10px;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "JetBrains Mono", "SF Mono", ui-monospace, Menlo, Consolas, monospace;
  --max: 1180px;
}

[data-theme="light"] {
  --bg: #f8fafc;
  --bg-elev: #ffffff;
  --bg-card: #f1f5f9;
  --border: #cbd5e1;
  --text: #0f172a;
  --muted: #475569;
  --faint: #64748b;
  --accent: #15803d;
  --accent-dim: #166534;
  --accent-soft: rgba(21, 128, 61, 0.1);
  --warn: #b45309;
  --warn-soft: rgba(180, 83, 9, 0.1);
  --danger: #dc2626;
  --danger-soft: rgba(220, 38, 38, 0.1);
}

*, *::before, *::after { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code, pre, .mono { font-family: var(--mono); font-size: 0.86em; }
pre {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.9rem 1rem;
  overflow-x: auto;
  margin: 0.5rem 0;
}

.wrap {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(12px);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
  flex-wrap: wrap;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text);
}
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 28px;
  height: 28px;
  border-radius: 7px;
  background: linear-gradient(145deg, #3dd68c, #1a7a52);
  display: grid;
  place-items: center;
  font-size: 0.75rem;
  font-weight: 800;
  color: #06140e;
}
.brand-pro {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.15rem 0.45rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid var(--accent-dim);
}
.nav-links {
  display: flex;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
  font-size: 0.9rem;
}
.nav-links a { color: var(--muted); }
.nav-links a:hover { color: var(--text); text-decoration: none; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.55rem 1rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  border: 1px solid var(--border);
  background: var(--bg-elev);
  color: var(--text);
  cursor: pointer;
  text-decoration: none;
  transition: border-color 0.15s, background 0.15s;
}
.btn:hover { border-color: var(--accent); text-decoration: none; }
.btn-primary {
  background: var(--accent);
  color: #051810;
  border-color: var(--accent);
}
.btn-primary:hover { background: #52e09b; border-color: #52e09b; color: #051810; }
.btn-sm { padding: 0.35rem 0.7rem; font-size: 0.82rem; }

.hero { padding: 3.5rem 0 2.5rem; border-bottom: 1px solid var(--border); }
.hero h1 {
  font-size: clamp(1.85rem, 3.6vw, 2.75rem);
  line-height: 1.18;
  letter-spacing: -0.025em;
  margin: 0.75rem 0 1rem;
}
.lede { color: var(--muted); font-size: 1.08rem; max-width: 780px; margin-bottom: 1.4rem; }
.cta-row { display: flex; gap: 0.75rem; flex-wrap: wrap; align-items: center; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.22rem 0.65rem;
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 600;
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
}
.badge-warn {
  background: var(--warn-soft);
  color: var(--warn);
  border-color: color-mix(in srgb, var(--warn) 35%, transparent);
}
.badge-danger {
  background: var(--danger-soft);
  color: var(--danger);
  border-color: color-mix(in srgb, var(--danger) 35%, transparent);
}
.badge-muted {
  background: var(--bg-elev);
  color: var(--muted);
  border-color: var(--border);
}

.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(310px, 1fr)); gap: 1.15rem; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1rem; }
.grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 0.85rem; }

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.2rem;
}
.card h2, .card h3 { margin-top: 0; }
.stat-num { font-size: 1.65rem; font-weight: 700; font-family: var(--mono); color: var(--text); }
.stat-label { font-size: 0.82rem; color: var(--muted); }

.meter-bar {
  height: 7px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 999px;
  overflow: hidden;
  margin-top: 0.45rem;
}
.meter-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 999px;
}

.notice {
  padding: 0.9rem 1.1rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg-elev);
  margin: 1rem 0;
  font-size: 0.92rem;
}
.notice-warn { border-color: var(--warn); background: var(--warn-soft); }
.notice-ok { border-color: var(--accent); background: var(--accent-soft); }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}
th, td {
  text-align: left;
  padding: 0.65rem 0.75rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
th {
  color: var(--muted);
  font-weight: 600;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: var(--bg-elev);
}

input[type="text"], input[type="email"], input[type="number"], select, textarea {
  width: 100%;
  padding: 0.5rem 0.65rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 0.86rem;
}
textarea { resize: vertical; min-height: 58px; }
label { display: block; font-size: 0.8rem; color: var(--muted); margin-bottom: 0.25rem; font-weight: 600; }

.review-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.15rem;
  margin-bottom: 0.9rem;
}
.review-form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.75rem;
  margin-top: 0.75rem;
}

footer {
  margin-top: 3rem;
  padding: 2rem 0;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.84rem;
}


.btn-icon {
  padding: 0.4rem;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  line-height: 0;
}
.btn-icon svg {
  width: 17px;
  height: 17px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.icon-moon { display: none; }
.icon-sun { display: block; }
[data-theme="light"] .icon-sun { display: none; }
[data-theme="light"] .icon-moon { display: block; }