:root {
  --navy-950: #061a2f;
  --navy-900: #082441;
  --navy-800: #103454;
  --blue-700: #0878b8;
  --blue-600: #0a87ce;
  --blue-100: #dff2ff;
  --ink: #172434;
  --muted: #69798b;
  --line: #dce4ec;
  --surface: #ffffff;
  --surface-soft: #f4f7fa;
  --success: #11865a;
  --danger: #c63f4f;
  --danger-soft: #ffe9ec;
  --shadow: 0 1px 3px rgba(7, 31, 56, .08), 0 8px 24px rgba(7, 31, 56, .05);
  --radius: 16px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  background: #eef3f7;
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

body {
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}

button, input { font: inherit; }
button { cursor: pointer; }

button:focus-visible,
input:focus-visible {
  outline: 3px solid rgba(10, 135, 206, .28);
  outline-offset: 2px;
}

.app {
  max-width: 720px;
  margin: 0 auto;
  min-height: 100vh;
  padding: 16px;
}

.view[hidden],
[hidden] { display: none !important; }

.login-card,
.panel,
.detail-card,
.result-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.login-card {
  margin-top: 12vh;
  padding: 28px 22px;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--blue-700);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
}

h1 {
  margin: 0 0 8px;
  font-size: 1.6rem;
  line-height: 1.2;
}

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

.lede { margin: 0 0 22px; }

.stack { display: grid; gap: 14px; }

.field {
  display: grid;
  gap: 8px;
  font-weight: 600;
}

.field span { font-size: 14px; }

input[type="text"],
input[type="password"],
input[type="search"] {
  width: 100%;
  min-height: 52px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface-soft);
  color: var(--ink);
}

.search-field input {
  min-height: 58px;
  font-size: 1.05rem;
}

.btn {
  min-height: 48px;
  padding: 12px 16px;
  border-radius: 12px;
  border: 1px solid transparent;
}

.btn:disabled {
  opacity: .65;
  cursor: wait;
}

.btn-primary {
  width: 100%;
  background: var(--blue-600);
  color: #fff;
  font-weight: 700;
}

.btn-ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--navy-800);
}

.banner {
  margin: 0;
  padding: 12px 14px;
  border-radius: 12px;
}

.banner-error {
  background: var(--danger-soft);
  color: var(--danger);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.topbar .btn { min-width: 88px; }

.panel { padding: 18px; }

.hint { margin: 10px 0 0; font-size: 14px; }

.status {
  margin: 14px 0 0;
  padding: 12px 4px;
  color: var(--muted);
}

.results {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.result-item {
  display: block;
  width: 100%;
  min-height: 64px;
  padding: 14px 16px;
  text-align: left;
  border: 1px solid var(--line);
}

.result-item strong {
  display: block;
  margin-bottom: 4px;
  line-height: 1.3;
}

.result-item span {
  color: var(--muted);
  font-size: 14px;
}

.back { margin-bottom: 12px; }

.detail-card { padding: 20px 18px; }

.detail-card h2 {
  margin: 0 0 8px;
  font-size: 1.35rem;
  line-height: 1.25;
  overflow-wrap: anywhere;
}

.detail-desc {
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.prices {
  display: grid;
  gap: 12px;
  margin-top: 20px;
}

.price-box {
  padding: 14px 16px;
  border-radius: 12px;
  background: var(--surface-soft);
}

.price-box .label {
  margin: 0 0 6px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .03em;
}

.price-box .value {
  margin: 0;
  font-size: 1.55rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.price-box .sub {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  margin-right: 8px;
  border: 2px solid var(--line);
  border-top-color: var(--blue-600);
  border-radius: 50%;
  vertical-align: -2px;
  animation: spin .7s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

@media (min-width: 720px) {
  .app { padding: 28px 16px 40px; }
  .login-card { margin-top: 16vh; padding: 36px; }
  .prices { grid-template-columns: 1fr 1fr; }
}