:root {
  color-scheme: dark;
}

* { box-sizing: border-box; }

body {
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection {
  background: rgba(37, 99, 235, 0.35);
}

html, body {
  margin: 0;
  padding: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: #0b0e14;
  color: #e8eefc;
}

a {
  color: inherit;
  text-decoration-color: rgba(232, 238, 252, 0.35);
  text-underline-offset: 3px;
}

a:hover {
  text-decoration-color: rgba(232, 238, 252, 0.65);
}

.container {
  max-width: 860px;
  margin: 0 auto;
  padding: 56px 16px;
}

.header {
  margin-bottom: 24px;
  padding: 22px 20px;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 14px;
  background: #111827;
}

.brand {
  margin: 0;
  font-size: 44px;
  letter-spacing: -0.5px;
}

.tagline {
  margin: 8px 0 0;
  color: #aab6d3;
}

.card {
  background: #111827;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 14px;
  padding: 20px 20px;
  margin: 14px 0;
}

.card h2 {
  margin: 0 0 10px;
  font-size: 18px;
}

.muted { color: #aab6d3; }
.small { font-size: 13px; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }

.actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 12px;
}

.button {
  display: inline-block;
  padding: 10px 14px;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 600;
  background: #2563eb;
  border: 1px solid rgba(255,255,255,0.1);
  transition: transform 120ms ease, background-color 120ms ease, border-color 120ms ease, opacity 120ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button:active {
  transform: translateY(0);
  opacity: 0.95;
}

.button:focus-visible {
  outline: 2px solid rgba(37, 99, 235, 0.65);
  outline-offset: 2px;
}

.button.secondary {
  background: transparent;
}

.button.secondary:hover {
  border-color: rgba(255,255,255,0.18);
  background: rgba(255,255,255,0.03);
}

.meta {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid rgba(255,255,255,0.08);
  display: grid;
  gap: 8px;
}

.footer {
  margin-top: 18px;
  opacity: 0.95;
}