:root {
  color-scheme: light;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #f3f4f6;
  color: #111827;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: #f3f4f6;
}

.page {
  max-width: 720px;
  margin: 0 auto;
  padding: 16px;
}

.search-card,
.result-card {
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
}

.search-card {
  padding: 20px;
}

.title {
  margin: 0 0 12px;
  font-size: 24px;
}

.hint {
  margin: 0 0 8px;
  line-height: 1.6;
  color: #4b5563;
  font-size: 14px;
}

.search-form {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.field {
  display: grid;
  gap: 6px;
  font-size: 14px;
  color: #374151;
}

.field input {
  width: 100%;
  min-height: 48px;
  padding: 12px 14px;
  border: 1px solid #d1d5db;
  border-radius: 12px;
  font-size: 16px;
}

.field input:focus {
  outline: 2px solid #bfdbfe;
  border-color: #2563eb;
}

.submit-button {
  min-height: 48px;
  border: 0;
  border-radius: 12px;
  background: #2563eb;
  color: #fff;
  font-size: 16px;
  font-weight: 600;
}

.submit-button:disabled {
  opacity: 0.65;
}

.status {
  min-height: 24px;
  margin: 14px 2px;
  font-size: 14px;
}

.status.success {
  color: #047857;
}

.status.error {
  color: #b91c1c;
}

.status.empty {
  color: #6b7280;
}

.results {
  display: grid;
  gap: 12px;
}

.result-card {
  padding: 16px;
}

.row {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid #f3f4f6;
}

.row:last-child {
  border-bottom: 0;
}

.label {
  color: #6b7280;
  font-size: 13px;
}

.value,
.tracking-link {
  color: #111827;
  word-break: break-word;
}

.tracking-link {
  color: #2563eb;
  text-decoration: none;
  font-weight: 600;
}

.tracking-link:hover {
  text-decoration: underline;
}

@media (min-width: 768px) {
  .page {
    padding: 32px 20px;
  }

  .search-card {
    padding: 28px;
  }
}