:root {
  --bg: #0b0612;
  --bg-2: #170a24;
  --bg-3: #1f0f33;
  --card: rgba(32, 18, 54, 0.72);
  --card-border: rgba(168, 112, 255, 0.22);
  --accent: #b98dff;
  --accent-2: #6e3bff;
  --accent-3: #ff6fd8;
  --text: #ede6ff;
  --text-dim: #a99cc7;
  --text-faint: #7e6ea3;
  --danger: #ff6b88;
  --ok: #5ce0a7;
  --warn: #ffd36e;
  --radius: 14px;
  --shadow: 0 20px 80px -20px rgba(110, 59, 255, 0.45);
  --mono: ui-monospace, "JetBrains Mono", "SF Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto, system-ui, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: radial-gradient(1200px 700px at 10% -10%, rgba(110, 59, 255, 0.35), transparent 60%),
              radial-gradient(900px 600px at 100% 0%, rgba(255, 111, 216, 0.18), transparent 55%),
              var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.55;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap {
  max-width: 780px;
  margin: 0 auto;
  padding: 48px 20px 120px;
}

.wrap-wide { max-width: 1100px; }

.brand {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--mono); font-size: 13px; letter-spacing: 0.12em;
  color: var(--text-dim); text-transform: uppercase; margin-bottom: 28px;
}
.brand .dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-3), var(--accent));
  box-shadow: 0 0 14px var(--accent-3);
}

h1 {
  font-size: clamp(28px, 5vw, 44px);
  line-height: 1.1; margin: 0 0 14px; letter-spacing: -0.02em;
  background: linear-gradient(135deg, #fff 0%, var(--accent) 50%, var(--accent-3) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
h2 { font-size: 20px; margin: 36px 0 12px; color: var(--text); letter-spacing: -0.01em; }
h3 { font-size: 15px; margin: 22px 0 10px; color: var(--text); font-weight: 600; letter-spacing: 0.01em; }

p { color: var(--text-dim); margin: 0 0 14px; }
.lead { color: var(--text); font-size: 17px; margin-bottom: 30px; }
.dim { color: var(--text-faint); font-size: 13px; }

.card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 22px;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
}
.card + .card { margin-top: 18px; }

.pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 3px 10px; border-radius: 999px;
  background: rgba(168, 112, 255, 0.12); color: var(--accent);
  border: 1px solid rgba(168, 112, 255, 0.25);
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.04em; text-transform: uppercase;
}
.pill.ok { background: rgba(92, 224, 167, 0.12); color: var(--ok); border-color: rgba(92, 224, 167, 0.3); }
.pill.warn { background: rgba(255, 211, 110, 0.12); color: var(--warn); border-color: rgba(255, 211, 110, 0.3); }
.pill.danger { background: rgba(255, 107, 136, 0.12); color: var(--danger); border-color: rgba(255, 107, 136, 0.3); }

input[type="text"], input[type="password"], textarea, select {
  width: 100%; padding: 12px 14px; border-radius: 10px;
  background: rgba(11, 6, 18, 0.6); color: var(--text);
  border: 1px solid rgba(168, 112, 255, 0.25);
  font-family: inherit; font-size: 15px; outline: none;
  transition: border-color 120ms, box-shadow 120ms;
}
input:focus, textarea:focus, select:focus {
  border-color: var(--accent); box-shadow: 0 0 0 3px rgba(168, 112, 255, 0.22);
}
label { display: block; font-size: 13px; color: var(--text-dim); margin: 14px 0 6px; letter-spacing: 0.02em; }

button, .btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 18px; border-radius: 10px;
  background: linear-gradient(135deg, var(--accent-2), var(--accent-3));
  color: #fff; border: 0; cursor: pointer; font-family: inherit;
  font-size: 14px; font-weight: 600; letter-spacing: 0.01em;
  transition: transform 80ms, box-shadow 160ms, opacity 160ms;
  box-shadow: 0 8px 24px -8px rgba(110, 59, 255, 0.6);
}
button:hover, .btn:hover { transform: translateY(-1px); box-shadow: 0 12px 30px -8px rgba(255, 111, 216, 0.6); }
button:active, .btn:active { transform: translateY(0); }
button[disabled] { opacity: 0.5; cursor: not-allowed; transform: none; box-shadow: none; }

.btn-ghost {
  background: transparent; border: 1px solid rgba(168, 112, 255, 0.3);
  color: var(--accent); box-shadow: none;
}
.btn-ghost:hover { background: rgba(168, 112, 255, 0.08); box-shadow: none; }

.btn-danger { background: linear-gradient(135deg, #b23951, var(--danger)); }

.row { display: flex; gap: 10px; flex-wrap: wrap; }
.stack > * + * { margin-top: 12px; }

.grid {
  display: grid; gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}

.platform-tabs {
  display: flex; gap: 4px; padding: 4px;
  background: rgba(11, 6, 18, 0.55); border: 1px solid var(--card-border);
  border-radius: 12px; overflow-x: auto; scrollbar-width: none;
}
.platform-tabs::-webkit-scrollbar { display: none; }
.platform-tabs button {
  flex: 1 1 auto; padding: 9px 14px; background: transparent;
  border-radius: 8px; color: var(--text-dim); font-weight: 500; font-size: 13px;
  box-shadow: none; letter-spacing: 0.02em;
  white-space: nowrap;
}
.platform-tabs button.active {
  background: rgba(168, 112, 255, 0.18); color: var(--text);
}

code, pre, .code {
  font-family: var(--mono); font-size: 13px; line-height: 1.55;
}

pre.code-block {
  background: rgba(11, 6, 18, 0.75);
  border: 1px solid rgba(168, 112, 255, 0.18);
  border-radius: 10px; padding: 14px 16px; margin: 10px 0;
  overflow-x: auto; white-space: pre;
  color: #e9dfff;
  position: relative;
}
pre.code-block .copy {
  position: absolute; top: 8px; right: 8px;
  padding: 5px 10px; font-size: 11px; border-radius: 6px;
  background: rgba(168, 112, 255, 0.15); color: var(--accent);
  border: 1px solid rgba(168, 112, 255, 0.25); cursor: pointer;
  letter-spacing: 0.04em; text-transform: uppercase; font-weight: 600;
  box-shadow: none;
}
pre.code-block .copy:hover { background: rgba(168, 112, 255, 0.28); }
pre.code-block .copy.copied { color: var(--ok); border-color: rgba(92, 224, 167, 0.5); }

.step {
  display: flex; gap: 14px; padding: 14px 0;
  border-top: 1px solid rgba(168, 112, 255, 0.1);
}
.step:first-child { border-top: 0; padding-top: 2px; }
.step-n {
  flex: 0 0 28px; height: 28px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(168, 112, 255, 0.12); color: var(--accent);
  border-radius: 50%; font-family: var(--mono); font-size: 13px; font-weight: 700;
  border: 1px solid rgba(168, 112, 255, 0.25);
}
.step-body { flex: 1 1 auto; min-width: 0; }
.step-body h4 { margin: 2px 0 6px; font-size: 15px; color: var(--text); font-weight: 600; }
.step-body p { font-size: 14px; margin: 0 0 8px; }

.download-grid {
  display: grid; gap: 10px;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
}
.download-grid a {
  display: flex; flex-direction: column; gap: 2px;
  padding: 14px 14px; border-radius: 12px;
  background: rgba(168, 112, 255, 0.06); border: 1px solid rgba(168, 112, 255, 0.18);
  color: var(--text); text-decoration: none;
  transition: background 120ms, border-color 120ms, transform 120ms;
}
.download-grid a:hover {
  background: rgba(168, 112, 255, 0.14);
  border-color: rgba(168, 112, 255, 0.4);
  transform: translateY(-1px); text-decoration: none;
}
.download-grid a .name { font-weight: 600; font-size: 14px; }
.download-grid a .sub { font-size: 12px; color: var(--text-faint); }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid rgba(168, 112, 255, 0.1); }
th { color: var(--text-dim); font-weight: 500; font-size: 12px; letter-spacing: 0.05em; text-transform: uppercase; }
td.mono { font-family: var(--mono); font-size: 12px; color: var(--text-dim); }
td.right, th.right { text-align: right; }

.footer {
  margin-top: 48px; padding-top: 24px;
  border-top: 1px solid rgba(168, 112, 255, 0.12);
  font-size: 12px; color: var(--text-faint);
  display: flex; gap: 18px; flex-wrap: wrap;
}

.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  background: rgba(11, 6, 18, 0.95); color: var(--text);
  border: 1px solid var(--card-border); border-radius: 10px;
  padding: 10px 18px; font-size: 14px; z-index: 50;
  box-shadow: var(--shadow);
  opacity: 0; transition: opacity 160ms, transform 160ms;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(-4px); }

.empty { text-align: center; padding: 40px 20px; color: var(--text-faint); font-size: 14px; }

.banner {
  padding: 14px 16px; border-radius: 10px; font-size: 14px;
  border: 1px solid; margin-bottom: 18px;
}
.banner.error { background: rgba(255, 107, 136, 0.08); border-color: rgba(255, 107, 136, 0.3); color: var(--danger); }
.banner.warn { background: rgba(255, 211, 110, 0.08); border-color: rgba(255, 211, 110, 0.3); color: var(--warn); }
.banner.ok { background: rgba(92, 224, 167, 0.08); border-color: rgba(92, 224, 167, 0.3); color: var(--ok); }

.inline { display: inline-flex; align-items: center; gap: 6px; }
.spacer { flex: 1 1 auto; }

@media (max-width: 540px) {
  .wrap { padding: 28px 16px 80px; }
  h1 { font-size: 30px; }
  .card { padding: 18px; }
  .step { padding: 12px 0; }
}