:root {
  --bg: #f4f6fb;
  --card: #ffffff;
  --ink: #10151f;
  --muted: #5c6675;
  --line: #e2e7f0;
  --brand: #2a52be;
  --ok: #15803d;
  --ok-bg: #eafaf0;
  --warn: #b45309;
  --warn-bg: #fdf4e7;
  --err: #b91c1c;
  --err-bg: #fdecec;
  --radius: 16px;
  --shadow: 0 8px 30px rgba(16, 21, 31, 0.08);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d1117;
    --card: #161b22;
    --ink: #eef2f8;
    --muted: #9aa4b2;
    --line: #262d38;
    --brand: #6f93ff;
    --ok: #4ade80;
    --ok-bg: #10261a;
    --warn: #fbbf24;
    --warn-bg: #241c0f;
    --err: #f87171;
    --err-bg: #2a1414;
    --shadow: 0 8px 30px rgba(0, 0, 0, 0.45);
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.shell {
  max-width: 520px;
  margin: 0 auto;
  padding: 24px 16px 48px;
}

.brand {
  display: flex;
  gap: 14px;
  align-items: center;
  margin-bottom: 20px;
}

.brand-mark {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: var(--brand);
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 22px;
  flex: none;
}

.brand h1 { font-size: 20px; margin: 0; letter-spacing: -0.01em; }
.brand-sub { margin: 2px 0 0; color: var(--muted); font-size: 13px; }

.card, .panel, .item, .state {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.card { padding: 20px; box-shadow: var(--shadow); }

h2 { font-size: 17px; margin: 0 0 6px; letter-spacing: -0.01em; }

.muted { color: var(--muted); }
.small { font-size: 13px; }

.field { display: block; margin: 12px 0; }
.field span { display: block; font-size: 13px; color: var(--muted); margin-bottom: 6px; }

input {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: transparent;
  color: var(--ink);
  font-size: 15px;
}

input:focus { outline: 2px solid var(--brand); border-color: var(--brand); }

button.primary {
  width: 100%;
  padding: 13px 16px;
  border: 0;
  border-radius: 12px;
  background: var(--brand);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
}

button.primary:active { transform: translateY(1px); }

.state { padding: 22px; text-align: center; margin-top: 16px; }
.state h2 { margin-top: 10px; }
.state.loading { display: grid; place-items: center; gap: 12px; color: var(--muted); }
.state.verified { text-align: left; }
.state.not_found { background: var(--warn-bg); border-color: color-mix(in srgb, var(--warn) 30%, var(--line)); }
.state.invalid { background: var(--err-bg); border-color: color-mix(in srgb, var(--err) 30%, var(--line)); }
.state.unavailable { background: var(--warn-bg); border-color: color-mix(in srgb, var(--warn) 30%, var(--line)); }

.spinner {
  width: 26px; height: 26px; border-radius: 50%;
  border: 3px solid var(--line); border-top-color: var(--brand);
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.02em;
  padding: 5px 10px;
  border-radius: 999px;
  margin-bottom: 6px;
}
.badge-verified { background: var(--ok-bg); color: var(--ok); }
.badge-not_found, .badge-unavailable { background: var(--warn-bg); color: var(--warn); }
.badge-invalid { background: var(--err-bg); color: var(--err); }

.biz-name { font-size: 20px; margin: 8px 0 2px; }
.biz-details { margin: 0 0 14px; }

.panel { padding: 14px 16px; margin-top: 12px; }
.panel-title { font-size: 12px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); margin-bottom: 8px; }

.row { display: flex; justify-content: space-between; gap: 12px; padding: 6px 0; }
.row.strong { font-weight: 700; }
.row-label { color: var(--muted); }
.row-value { text-align: right; font-variant-numeric: tabular-nums; }

.item { display: flex; justify-content: space-between; gap: 12px; padding: 10px 0; border: 0; border-bottom: 1px dashed var(--line); border-radius: 0; background: transparent; }
.item:last-of-type { border-bottom: 0; }
.item-name { font-weight: 600; }
.item-part { color: var(--muted); font-size: 12px; }
.item-right { text-align: right; font-variant-numeric: tabular-nums; }
.item-qty { color: var(--muted); font-size: 12px; }

.verified-at { margin: 14px 0 0; }

.foot { margin-top: 22px; }
.foot p { margin: 6px 0; }

/* Screenshot/test hooks */
body[data-test-state] .card { transition: none; }