body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    margin: 0;
    padding: 0;
    background: #f5f5f5;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 40px 20px;
}

.header,
.query-card,
.results-card {
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
    padding: 28px;
    margin-bottom: 20px;
}

.header-links {
    margin-top: 12px;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.header-links a {
    text-decoration: none;
    font-size: 13px;
    color: #2563eb;
    background: #eff6ff;
    border-radius: 999px;
    padding: 6px 10px;
    font-weight: 600;
}

.header-links a:hover {
    background: #dbeafe;
}

.breadcrumbs {
    margin-bottom: 12px;
    font-size: 13px;
    color: #64748b;
}

.breadcrumbs a {
    color: #2563eb;
    text-decoration: none;
}

.breadcrumbs a:hover {
    text-decoration: underline;
}

.header h1 {
    margin: 0 0 8px 0;
    color: #222;
}

.header p {
    margin: 0;
    color: #666;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 12px;
}

label {
    display: block;
    font-weight: 600;
    color: #333;
    margin-bottom: 6px;
}

input {
    width: 100%;
    box-sizing: border-box;
    padding: 10px;
    border: 1px solid #d8d8d8;
    border-radius: 6px;
    font-size: 14px;
}

.actions {
    margin-top: 16px;
}

button {
    background: #2563eb;
    color: white;
    border: none;
    border-radius: 6px;
    padding: 10px 16px;
    cursor: pointer;
    font-weight: 600;
}

.btn-secondary {
    background: #475569;
    margin-left: 8px;
}

.btn-secondary:hover {
    background: #334155;
}

button:disabled {
    opacity: 0.65;
    cursor: not-allowed;
}

.meta {
    margin-bottom: 12px;
    color: #444;
}

.payment-builder {
    margin-top: 20px;
    border-top: 1px solid #ececec;
    padding-top: 20px;
}

.payment-builder h2 {
    margin: 0 0 6px 0;
    font-size: 18px;
    color: #1f2937;
}

.table-wrapper {
    overflow-x: auto;
    margin-top: 10px;
}

.obligations-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 860px;
}

.obligations-table th,
.obligations-table td {
    border-bottom: 1px solid #ececec;
    padding: 10px;
    text-align: left;
    font-size: 14px;
}

.obligations-table th {
    background: #f8fafc;
    color: #334155;
    font-weight: 700;
}

.amount-input {
    width: 140px;
}

.payment-grid {
    margin-top: 14px;
}

.obligation {
    border: 1px solid #ececec;
    border-radius: 8px;
    padding: 14px;
    margin-bottom: 10px;
}

.obligation h3 {
    margin: 0 0 6px 0;
    font-size: 16px;
    color: #1f2937;
}

.small {
    color: #666;
    font-size: 14px;
}

.error {
    color: #b91c1c;
    margin-top: 10px;
}

.hidden {
    display: none;
}