:root {
  --bg-top: #0a5e78;
  --bg-bottom: #71b7cb;
  --card: rgba(255, 255, 255, 0.86);
  --ink: #12222d;
  --muted: #506574;
  --line: rgba(9, 37, 53, 0.14);
  --accent: #0a84ff;
  --accent-dark: #0065d9;
  --ok: #157347;
  --err: #b42318;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(70vw 38vh at 0% 0%, rgba(255, 225, 145, 0.45), transparent 58%),
    radial-gradient(70vw 35vh at 100% 10%, rgba(173, 255, 244, 0.35), transparent 58%),
    linear-gradient(180deg, var(--bg-top), var(--bg-bottom));
}

.app {
  width: min(100%, 42rem);
  margin-inline: auto;
  padding: max(1rem, env(safe-area-inset-top)) 1rem calc(1rem + env(safe-area-inset-bottom));
  display: grid;
  gap: 0.9rem;
}

.hero,
.card {
  border-radius: 1.25rem;
  border: 1px solid rgba(255, 255, 255, 0.65);
  background: var(--card);
  backdrop-filter: blur(16px) saturate(170%);
  box-shadow: 0 14px 32px -22px rgba(3, 22, 35, 0.55);
}

.hero {
  padding: 1.2rem;
  text-align: center;
}

.logo {
  width: clamp(16rem, 84vw, 28rem);
  max-width: 100%;
  height: auto;
}

h1 {
  margin: 0.6rem 0 0;
  font-size: clamp(1.55rem, 5.6vw, 2.2rem);
  letter-spacing: -0.02em;
}

.lede {
  margin: 0.35rem auto 0;
  max-width: 34ch;
  color: var(--muted);
  font-size: 0.95rem;
}

.card {
  padding: 1rem;
}

h2 {
  margin: 0;
  font-size: 1.12rem;
}

.muted {
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-size: 0.87rem;
}

.manual-form {
  margin-top: 0.9rem;
  display: grid;
  gap: 0.55rem;
}

label {
  font-size: 0.86rem;
  font-weight: 600;
}

input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 0.85rem;
  padding: 0.82rem 0.9rem;
  min-height: 3rem;
  font: inherit;
  text-transform: uppercase;
}

input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(10, 132, 255, 0.2);
}

button {
  width: 100%;
  border: 0;
  border-radius: 0.85rem;
  min-height: 3rem;
  color: #fff;
  font: inherit;
  font-weight: 700;
  background: linear-gradient(180deg, var(--accent), var(--accent-dark));
  box-shadow: 0 10px 20px -12px rgba(2, 80, 178, 0.75);
}

.status {
  margin: 0;
  min-height: 1.2rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: transparent;
}

.status[data-state="error"] {
  color: var(--err);
}

.status[data-state="ok"] {
  color: var(--ok);
}

@media (min-width: 780px) {
  .app {
    padding-top: 1.35rem;
    gap: 1rem;
  }

  .hero,
  .card {
    padding: 1.2rem 1.25rem;
  }
}