body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    max-width: 800px;
    margin: 2rem auto;
    padding: 0 1rem;
    color: #333;
}

nav {
    margin-bottom: 2rem;
    border-bottom: 1px solid #eee;
    padding-bottom: 1rem;
}

nav a {
    margin-right: 1.5rem;
    color: #0066cc;
    text-decoration: none;
}

nav a:hover { text-decoration: underline; }

form { display: flex; flex-direction: column; gap: 1rem; max-width: 400px; }

label { font-weight: 600; font-size: 0.9rem; }

input, select {
    padding: 0.5rem;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 1rem;
}

button {
    padding: 0.75rem;
    background: #0066cc;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
}

button:hover { background: #0052a3; }

#lookup-result { margin-top: 1.5rem; }

.result-card {
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 1.5rem;
    background: #f9f9f9;
}

.result-card h3 { margin-top: 0; color: #222; }

.result-row {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid #eee;
}

.result-row:last-child { border-bottom: none; }

.result-label { font-weight: 600; color: #555; }

.error-card {
    border: 1px solid #dc3545;
    background: #fff3f3;
    color: #dc3545;
    padding: 1rem;
    border-radius: 4px;
}

.recent-list { list-style: none; padding: 0; }

.recent-item {
    padding: 0.75rem;
    border-bottom: 1px solid #eee;
    display: flex;
    justify-content: space-between;
}

.recent-item:hover { background: #f9f9f9; }

.container { max-width: 900px; }