:root {
  color-scheme: light;
  --bg: #f4f1ea;
  --card: #fffdf8;
  --ink: #1c1914;
  --muted: #6b6459;
  --line: #e4ddd2;
  --accent: #0f7a5a;
  --danger: #a12626;
  --ok: #1f6b3a;
  font-family: "Segoe UI", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
}

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

.top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  border-bottom: 1px solid var(--line);
}

h1 {
  margin: 0;
  font-size: 1.35rem;
}

h2 {
  margin: 0 0 8px;
  font-size: 1.1rem;
}

.grid {
  max-width: 760px;
  margin: 0 auto;
  padding: 24px;
  display: grid;
  gap: 16px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 22px;
  box-shadow: 0 8px 24px rgb(28 25 20 / 4%);
}

.muted {
  color: var(--muted);
  margin: 0 0 14px;
}

.phone {
  font-weight: 600;
  margin: 0 0 12px;
}

label {
  display: grid;
  gap: 6px;
  font-size: 0.9rem;
  margin-bottom: 12px;
}

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

button {
  background: var(--accent);
  color: white;
  border: 0;
  border-radius: 10px;
  padding: 10px 16px;
  font: inherit;
  cursor: pointer;
}

button.ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
}

button.danger {
  background: var(--danger);
}

.alert {
  max-width: 760px;
  margin: 16px auto 0;
  padding: 12px 14px;
  border-radius: 12px;
}

.grid .alert {
  margin: 0;
}

.alert.error {
  background: #fde8e8;
  color: var(--danger);
}

.alert.ok {
  background: #e7f6ec;
  color: var(--ok);
}

.alert.key code,
.full-key {
  display: block;
  margin-top: 8px;
  padding: 10px 12px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  word-break: break-all;
  font-size: 0.92rem;
}

.key-block {
  min-width: 0;
  flex: 1;
}

.key-actions {
  display: flex;
  gap: 8px;
  align-items: start;
  flex-shrink: 0;
}

.qr {
  text-align: center;
}

.qr img {
  width: 220px;
  height: 220px;
  background: white;
  padding: 8px;
  border-radius: 12px;
}

.row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: end;
}

.keys {
  list-style: none;
  padding: 0;
  margin: 16px 0 0;
}

.keys li {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 12px;
  padding: 10px 0;
  border-top: 1px solid var(--line);
}

.badge {
  display: inline-block;
  margin-left: 8px;
  font-size: 0.75rem;
  color: var(--muted);
}

@media (max-width: 640px) {
  .row {
    grid-template-columns: 1fr;
  }
}