:root {
  --bg: #1e1e1e;
  --bg-alt: #252525;
  --panel: #2b2b2b;
  --panel-alt: #303030;

  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);

  --text: #e6e6e6;
  --muted: #b0b0b0;

  --accent: #ff6ec7;
  --accent-soft: rgba(255, 110, 199, 0.25);

  --code-bg: #1a1a1a;
  --code-border: rgba(255, 255, 255, 0.06);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Inter", system-ui, sans-serif;
  background: radial-gradient(
      circle at top,
      #252525,
      #1b1b1b 60%
  );
  color: var(--text);
}

.topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 10px 18px;
  background: linear-gradient(
    to bottom,
    #2c2c2c,
    #242424
  );
  border-bottom: 1px solid var(--border-strong);
}

.logo {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: #000;
  box-shadow:
    0 0 0 1px var(--border),
    0 0 12px var(--accent-soft);
}

.title h1 {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: 0.3px;
}

.version {
  font-size: 0.85rem;
  color: var(--accent);
  opacity: 0.9;
}

main {
  padding: 24px;
  max-width: 1200px;
  margin: auto;
}

.panel {
  background: linear-gradient(
    to bottom,
    var(--panel),
    var(--panel-alt)
  );
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px 22px;
  margin-bottom: 20px;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.03),
    0 10px 30px rgba(0,0,0,0.4);
}

.panel h2,
.panel h3 {
  margin-top: 0;
  font-weight: 600;
}

.panel a {
  color: var(--accent);
  text-decoration: none;
}

.panel a:hover {
  text-decoration: underline;
}

.panel code {
  background: var(--code-bg);
  border: 1px solid var(--code-border);
  padding: 2px 6px;
  border-radius: 5px;
  font-family: "Fira Code", monospace;
  font-size: 0.95em;
}

.panel pre {
  background: linear-gradient(
    to bottom,
    #1c1c1c,
    #181818
  );
  border: 1px solid var(--code-border);
  padding: 16px;
  border-radius: 8px;
  overflow-x: auto;
  font-family: "Fira Code", monospace;
  font-size: 0.95rem;
  line-height: 1.45;
}

.panel pre::before {
  content: "";
  display: block;
  height: 3px;
  background: linear-gradient(
    to right,
    transparent,
    var(--accent),
    transparent
  );
  margin: -16px -16px 12px;
  opacity: 0.6;
}

.download-grid button {
  background: linear-gradient(
    to bottom,
    #2f2f2f,
    #262626
  );
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 14px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.9rem;
  transition: all 0.15s ease;
}

.download-grid button:hover {
  border-color: var(--accent);
  box-shadow:
    0 0 0 1px var(--accent-soft),
    0 0 12px var(--accent-soft);
  transform: translateY(-1px);
}

footer {
  text-align: center;
  padding: 14px;
  font-size: 0.8rem;
  color: var(--muted);
  opacity: 0.85;
}