:root {
  color-scheme: dark;
  font-family: "Segoe UI", system-ui, sans-serif;
  background: #0f172a;
  color: #e2e8f0;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100dvh;
  background: #0f172a;
}

.wrap {
  width: min(28rem, 100%);
  margin: 0 auto;
  padding: 1.25rem 1rem 2rem;
}

h1 {
  margin: 0.25rem 0 0.4rem;
  font-size: 1.7rem;
}

p.lead {
  margin: 0 0 1.25rem;
  color: #94a3b8;
}

.tiles {
  display: grid;
  gap: 0.75rem;
}

.tile {
  display: block;
  min-height: 5.5rem;
  padding: 1rem 1.1rem;
  border-radius: 1rem;
  background: #1e293b;
  color: inherit;
  text-decoration: none;
}

.tile strong {
  display: block;
  font-size: 1.15rem;
  margin-bottom: 0.25rem;
}

.tile span {
  color: #94a3b8;
  font-size: 0.95rem;
}

form {
  display: grid;
  gap: 0.75rem;
}

input, button {
  font: inherit;
  min-height: 3.25rem;
  border-radius: 0.9rem;
  border: 0;
  padding: 0.75rem 1rem;
}

input {
  background: #1e293b;
  color: inherit;
}

button {
  background: #38bdf8;
  color: #082f49;
  font-weight: 700;
}

.err {
  min-height: 1.25rem;
  color: #fda4af;
}