:root {
  --bg: #0e0f13;
  --panel: #16181f;
  --ink: #e7e9ee;
  --muted: #8b909c;
  --line: #262a33;
  --accent: #6ea8fe;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  background: radial-gradient(900px 600px at 50% -10%, #1b2030 0%, var(--bg) 60%);
  color: var(--ink);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
}
.hero { width: 100%; max-width: 620px; text-align: center; }
.logo { font-size: 56px; line-height: 1; color: var(--accent); }
h1 { font-size: 40px; margin: 10px 0 6px; letter-spacing: -0.02em; }
.tag { color: var(--muted); margin: 0 auto 28px; max-width: 460px; }

.launch {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 18px;
  text-align: left;
}
.launch input[name="url"] {
  width: 100%;
  background: #0c0d11;
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--ink);
  padding: 14px 16px;
  font-size: 16px;
  outline: none;
}
.launch input[name="url"]:focus { border-color: var(--accent); }

.modes { display: flex; gap: 10px; margin: 14px 0; flex-wrap: wrap; }
.modes label {
  flex: 1; min-width: 180px;
  display: flex; align-items: baseline; gap: 8px;
  background: #0c0d11; border: 1px solid var(--line);
  border-radius: 10px; padding: 12px 14px; cursor: pointer;
  font-weight: 600;
}
.modes label span { font-weight: 400; color: var(--muted); font-size: 13px; }
.modes input { accent-color: var(--accent); }

.launch button {
  width: 100%;
  margin-top: 4px;
  background: var(--accent);
  color: #06101f;
  border: 0; border-radius: 10px;
  padding: 14px; font-size: 16px; font-weight: 700;
  cursor: pointer;
}
.launch button:hover { filter: brightness(1.08); }

.quick { list-style: none; padding: 0; margin: 22px 0 0; display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.quick a {
  color: var(--muted); text-decoration: none; font-size: 14px;
  border: 1px solid var(--line); border-radius: 999px; padding: 6px 14px;
}
.quick a:hover { color: var(--ink); border-color: var(--accent); }

.how { color: var(--muted); font-size: 13px; margin-top: 26px; }