:root {
  --bg: #070b12;
  --lime: #b8ff3d;
  --text: #f2f5f8;
  --muted: #8a96a8;
  --err: #ff6b6b;
  --font: "Space Grotesk", system-ui, sans-serif;
}

* { box-sizing: border-box; }

body.app-body {
  margin: 0;
  min-height: 100dvh;
  background:
    radial-gradient(ellipse 80% 50% at 50% 0%, rgba(184, 255, 61, 0.12), transparent 55%),
    var(--bg);
  color: var(--text);
  font-family: var(--font);
}

.app-top {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid rgba(184, 255, 61, 0.12);
}

.app-top .link {
  margin-left: auto;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
}

.app-main, .app-card {
  padding: 1.5rem 1.25rem 3rem;
  max-width: 420px;
  margin: 0 auto;
}

.app-card {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding-top: 3rem;
}

.app-logo {
  border-radius: 12px;
  align-self: center;
}

h1 { margin: 0.25rem 0; font-size: 1.75rem; }

.muted { color: var(--muted); margin: 0; }
.small { font-size: 0.85rem; }
.err { color: var(--err); }
.ok { color: var(--lime); }
.dev { background: #121a24; padding: 0.75rem; border-radius: 8px; }

label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: 0.75rem;
}

input {
  padding: 0.85rem 0.9rem;
  border-radius: 8px;
  border: 1px solid rgba(184, 255, 61, 0.25);
  background: #0e1520;
  color: var(--text);
  font-size: 1rem;
}

.btn-primary, .btn-ghost {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  padding: 0.9rem 1rem;
  margin: 0.35rem 0;
  border-radius: 8px;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
}

.btn-primary {
  background: var(--lime);
  color: #0a1004;
}

.btn-ghost {
  background: transparent;
  border-color: rgba(184, 255, 61, 0.35);
  color: var(--text);
}

.balance {
  margin: 1.5rem 0;
  padding: 1.25rem;
  background: #0e1520;
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.balance .label { color: var(--muted); font-size: 0.85rem; }
.balance .value { font-size: 2rem; letter-spacing: 0.04em; }
.balance .sub { color: var(--muted); }

.actions { display: flex; flex-direction: column; gap: 0.25rem; }