body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    margin: 0;
    background: #f3f4f6;
    color: #111827;
}

.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #111827;
    color: #f9fafb;
    padding: 0.75rem 1.5rem;
}

.logo {
    font-weight: 600;
}

.top-bar a {
    color: #e5e7eb;
    text-decoration: none;
    margin-left: 0.5rem;
}

.content {
    max-width: 1100px;
    margin: 1.5rem auto;
    padding: 0 1rem;
}

.login-container {
    max-width: 400px;
    margin: 5rem auto;
    background: #ffffff;
    padding: 2rem;
    border-radius: 0.5rem;
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.08);
}

.form-group,
.form-row {
    margin-bottom: 1rem;
}

label {
    display: block;
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
}

input[type="text"],
input[type="password"],
input[type="email"],
select {
    width: 100%;
    padding: 0.5rem;
    border-radius: 0.375rem;
    border: 1px solid #d1d5db;
    font-size: 0.95rem;
}

.btn {
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    border: none;
    cursor: pointer;
    font-size: 0.95rem;
}

.btn-primary {
    background: #2563eb;
    color: white;
}

.btn-secondary {
    background: #4b5563;
    color: white;
}

.btn-link {
    background: transparent;
    border: none;
    color: #2563eb;
    cursor: pointer;
}

.alert {
    padding: 0.75rem 1rem;
    border-radius: 0.375rem;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.alert-error {
    background: #fee2e2;
    color: #991b1b;
}

.alert-success {
    background: #dcfce7;
    color: #166534;
}

.search-section,
.results-section {
    background: #ffffff;
    padding: 1.25rem;
    border-radius: 0.5rem;
    margin-bottom: 1rem;
}

.search-form .form-row {
    max-width: 350px;
}

.results-table,
.admin-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 0.75rem;
}

.results-table th,
.results-table td,
.admin-table th,
.admin-table td {
    border: 1px solid #e5e7eb;
    padding: 0.5rem;
    font-size: 0.9rem;
}

.results-table th,
.admin-table th {
    background: #f3f4f6;
}

.xref-card {
    margin-bottom: 1rem;
    padding: 1rem;
    border-radius: 0.5rem;
    background: #f9fafb;
}

.admin-nav {
    margin-bottom: 1rem;
}

.admin-nav a {
    margin-right: 0.75rem;
    text-decoration: none;
    padding: 0.4rem 0.75rem;
    border-radius: 9999px;
    background: #e5e7eb;
    color: #111827;
    font-size: 0.9rem;
}

.admin-nav a.active {
    background: #2563eb;
    color: #f9fafb;
}

.pagination {
    margin-top: 0.75rem;
}

.pagination a {
    text-decoration: none;
    margin-right: 0.25rem;
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    background: #e5e7eb;
    color: #111827;
    font-size: 0.85rem;
}

.pagination a.active {
    background: #2563eb;
    color: #f9fafb;
}

.inline-form {
    display: inline;
}