:root {
  color-scheme: light;
  --bg: #f5f4ef;
  --ink: #20242a;
  --muted: #68707a;
  --line: #d9d6cc;
  --panel: #fffefa;
  --accent: #165b48;
  --danger: #9e2f2f;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.panel {
  width: min(100%, 440px);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 28px;
  box-shadow: 0 18px 50px rgba(32, 36, 42, 0.08);
}

.home-panel {
  width: min(100%, 720px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  color: var(--accent);
  font-weight: 800;
  font-size: 14px;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1 {
  margin: 8px 0 22px;
  font-size: 32px;
  line-height: 1.05;
  letter-spacing: 0;
}

form {
  display: grid;
  gap: 16px;
}

label {
  display: grid;
  gap: 7px;
  font-size: 14px;
  font-weight: 650;
}

input {
  width: 100%;
  min-height: 46px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 12px;
  background: #fff;
  color: var(--ink);
  font: inherit;
}

input:focus {
  outline: 2px solid rgba(22, 91, 72, 0.28);
  border-color: var(--accent);
}

button {
  min-height: 46px;
  border: 0;
  border-radius: 6px;
  background: var(--accent);
  color: #fff;
  font: inherit;
  font-weight: 750;
  cursor: pointer;
}

.text-link {
  color: var(--accent);
  font-weight: 750;
}

.secondary {
  padding: 0 18px;
  background: #2b3036;
}

.error {
  margin: 0 0 16px;
  padding: 12px;
  border: 1px solid rgba(158, 47, 47, 0.22);
  border-radius: 6px;
  color: var(--danger);
  background: rgba(158, 47, 47, 0.06);
}

.muted {
  color: var(--muted);
}

code {
  overflow-wrap: anywhere;
}

.qr-wrap {
  display: grid;
  place-items: center;
  margin: 10px 0 14px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.qr-wrap img {
  width: min(100%, 220px);
  height: auto;
}

.codes {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  margin: 16px 0 20px;
  padding: 0;
  list-style: none;
}

.codes li {
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
}

@media (max-width: 560px) {
  .shell {
    padding: 14px;
  }

  .panel {
    padding: 22px;
  }

  .home-panel {
    align-items: stretch;
    flex-direction: column;
  }

  h1 {
    font-size: 28px;
  }
}