:root {
  --bg: #000;
  --fg: #fff;
  --muted: #a1a1aa;
  --line: #262626;
  --panel: #0a0a0a;
  --panel-2: #111;
  --accent: #8b5cf6;
  --accent-hover: #7c3aed;
  --success: #22c55e;
  --danger: #f87171;
  --radius: 14px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Inter",
    "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; }
img { max-width: 100%; display: block; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 16px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background .15s ease, border-color .15s ease, color .15s ease;
}

.btn-primary { background: #fff; color: #000; }
.btn-primary:hover { background: #e4e4e7; }

.btn-ghost {
  background: transparent;
  color: var(--muted);
  border-color: var(--line);
}
.btn-ghost:hover { color: var(--fg); border-color: #3f3f46; }