:root {
  --bg: #0b0b0e;
  --surface: #131317;
  --surface-2: #1a1a20;
  --line: #26262e;
  --text: #f2f1ec;
  --muted: #9a99a3;
  --accent: #d9b45c;
  --accent-ink: #1b1608;
  --ok: #3ec27e;
  --ok-bg: rgba(62, 194, 126, .1);
  --warn: #f0a24a;
  --warn-bg: rgba(240, 162, 74, .1);
  --err: #ff6b6b;
  --radius: 16px;
  --mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }

html, body { margin: 0; }

body {
  min-height: 100vh;
  background: radial-gradient(1200px 600px at 50% -200px, #1c1a14 0%, var(--bg) 60%) var(--bg);
  color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); }

.shell {
  max-width: 560px;
  margin: 0 auto;
  padding: 20px 16px 40px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.logo {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--surface-2);
  border: 1px solid var(--line);
  color: var(--accent);
  font-size: 18px;
}

.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text small { color: var(--muted); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; }

.lang { margin-left: auto; display: flex; gap: 4px; }
.lang a {
  color: var(--muted);
  text-decoration: none;
  font-size: 12px;
  padding: 4px 8px;
  border-radius: 8px;
}
.lang a.on { color: var(--text); background: var(--surface-2); }

.order {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 12px;
  padding: 14px 16px;
  margin-bottom: 12px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.order > div { display: flex; flex-direction: column; min-width: 0; }
.order-title { font-size: 18px; }
.timer { text-align: right; flex-shrink: 0; }
.timer b { font-family: var(--mono); font-size: 18px; }

.label {
  color: var(--muted);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.muted { color: var(--muted); font-size: 14px; }

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px 20px;
}

.kicker {
  display: block;
  color: var(--accent);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.kicker.ok { color: var(--ok); }
.kicker.warn { color: var(--warn); }

h1 { font-size: 26px; line-height: 1.2; margin: 0 0 8px; letter-spacing: -.01em; }
h1:focus { outline: none; }
.lead { color: var(--muted); margin: 0 0 20px; }

.steps {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px 16px 6px;
  margin-bottom: 20px;
}
.steps ol { margin: 8px 0 0; padding-left: 20px; }
.steps li { margin-bottom: 8px; }

.field-label { display: block; font-weight: 600; margin-bottom: 8px; }
.field-row { display: flex; gap: 8px; }

input[type="text"] {
  flex: 1;
  min-width: 0;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px;
  font: 15px var(--mono);
}
input[type="text"]:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(217, 180, 92, .18); }
input[type="text"][aria-invalid="true"] { border-color: var(--err); }
input[type="text"][aria-invalid="true"]:focus { box-shadow: 0 0 0 3px rgba(255, 107, 107, .18); }

.hint { color: var(--muted); font-size: 13px; margin: 8px 0 0; word-break: break-all; }
.error { color: var(--err); font-size: 14px; margin: 10px 0 0; }

button, .primary {
  font: inherit;
  cursor: pointer;
  border-radius: 12px;
  border: 1px solid transparent;
}
.primary {
  display: block;
  width: 100%;
  margin-top: 18px;
  padding: 15px 18px;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 700;
  text-align: center;
  text-decoration: none;
}
.primary:disabled { opacity: .6; cursor: wait; }
.ghost {
  flex-shrink: 0;
  padding: 0 16px;
  background: var(--surface-2);
  border-color: var(--line);
  color: var(--text);
}

.spin {
  display: inline-block;
  width: 14px;
  height: 14px;
  margin-right: 8px;
  vertical-align: -2px;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.note {
  margin: 20px 0 0;
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--surface-2);
}
.note p { margin: 4px 0 0; color: var(--muted); }
.note.ok { border-color: rgba(62, 194, 126, .35); background: var(--ok-bg); }
.note.ok b { color: var(--ok); }
.note.warn { border-color: rgba(240, 162, 74, .35); background: var(--warn-bg); }
form + .note, .lead + .note { margin-top: 0; margin-bottom: 20px; }

.badge {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  margin-bottom: 16px;
  border-radius: 50%;
  background: var(--surface-2);
  border: 1px solid var(--line);
  font-size: 24px;
}
.badge.ok { color: var(--ok); border-color: rgba(62, 194, 126, .4); background: var(--ok-bg); }
.badge.warn { color: var(--warn); border-color: rgba(240, 162, 74, .4); background: var(--warn-bg); }

.pulse { position: relative; width: 56px; height: 56px; margin-bottom: 16px; }
.pulse span, .pulse::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 3px solid var(--line);
}
.pulse span { border-top-color: var(--accent); animation: spin 1s linear infinite; }

.kv {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px 14px;
  border-radius: 12px;
  background: var(--surface-2);
  border: 1px solid var(--line);
}
.kv code { font-family: var(--mono); font-size: 14px; word-break: break-all; }

.foot {
  text-align: center;
  color: var(--muted);
  font-size: 14px;
  margin-top: 20px;
}
.foot p { margin: 0 0 6px; }

@media (prefers-reduced-motion: reduce) {
  .spin, .pulse span { animation: none; }
}

@media (max-width: 420px) {
  .card { padding: 20px 16px; }
  h1 { font-size: 22px; }
  .order { flex-direction: column; align-items: flex-start; }
  .timer { text-align: left; }
}