:root {
  --ink: #111113;
  --muted: #71717A;
  --faint: #A1A1AA;
  --border: #E4E4E7;
  --surface: #FAFAFA;
  --blue: #2563EB;
  --violet: #8B5CF6;
  --pink: #EC4899;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: #ffffff;
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.gradient-text {
  background: linear-gradient(135deg, var(--blue), var(--violet) 55%, var(--pink));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1000px;
  margin: 0 auto;
  padding: 20px 20px 0;
}

.nav-brand {
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.nav-link {
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  text-decoration: none;
}

.nav-link:hover { color: var(--ink); }

.auth-widget {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 13px;
}

.auth-email {
  color: var(--muted);
  max-width: 160px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.auth-link {
  background: none;
  border: none;
  font: inherit;
  color: var(--muted);
  cursor: pointer;
  padding: 0;
}

.auth-link:hover { color: var(--ink); }

.auth-signin-btn {
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--ink);
  font-weight: 600;
}

.auth-signin-btn:hover { background: #F4F4F5; }