* { box-sizing: border-box; }
body {
    font-family: -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
    background: #f4f6f8;
    color: #1f2933;
    margin: 0;
}
nav {
    background: #1f2933;
    color: #fff;
    padding: 0.75rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
}
nav a {
    color: #cbd2d9;
    text-decoration: none;
    font-size: 0.95rem;
}
nav a:hover, nav a.active { color: #fff; font-weight: 600; }
nav .brand { font-weight: 700; color: #fff; margin-right: 1rem; }
nav .spacer { flex: 1; }

.container { max-width: 1100px; margin: 2rem auto; padding: 0 1.5rem; }

h1 { font-size: 1.5rem; margin-bottom: 1rem; }
h2 { font-size: 1.15rem; margin: 1.5rem 0 0.75rem; }

.cards { display: flex; flex-wrap: wrap; gap: 1rem; margin-bottom: 1.5rem; }
.card {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
    padding: 1rem 1.25rem;
    min-width: 160px;
    flex: 1;
}
.card .value { font-size: 1.75rem; font-weight: 700; }
.card .label { color: #7b8794; font-size: 0.85rem; }

table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
    border-radius: 8px;
    overflow: hidden;
}
th, td {
    text-align: left;
    padding: 0.6rem 0.85rem;
    border-bottom: 1px solid #e4e7eb;
    font-size: 0.9rem;
}
th { background: #e9edf1; font-weight: 600; }
tr:last-child td { border-bottom: none; }

.status { display: inline-block; padding: 0.15rem 0.5rem; border-radius: 4px; font-size: 0.8rem; }
.status-active { background: #d3f5df; color: #12703b; }
.status-suspended { background: #fdf1c6; color: #8a6116; }
.status-revoked { background: #fbdada; color: #99241a; }

.btn {
    display: inline-block;
    padding: 0.45rem 0.9rem;
    background: #2a5bd7;
    color: #fff;
    border-radius: 6px;
    text-decoration: none;
    font-size: 0.9rem;
    border: none;
    cursor: pointer;
}
.btn:hover { background: #1e46ad; }
.btn-secondary { background: #7b8794; }
.btn-secondary:hover { background: #616e7c; }
.btn-danger { background: #c0392b; }
.btn-danger:hover { background: #962d22; }
.btn-small { padding: 0.25rem 0.6rem; font-size: 0.8rem; }

form.inline { display: inline; }

.form-group { margin-bottom: 1rem; max-width: 480px; }
.form-group label { display: block; font-weight: 600; margin-bottom: 0.25rem; font-size: 0.9rem; }
.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 0.5rem 0.6rem;
    border: 1px solid #cbd2d9;
    border-radius: 6px;
    font-size: 0.9rem;
}
.form-group .hint { color: #7b8794; font-size: 0.8rem; margin-top: 0.2rem; }

.alert { padding: 0.75rem 1rem; border-radius: 6px; margin-bottom: 1rem; font-size: 0.9rem; }
.alert-error { background: #fbdada; color: #99241a; }
.alert-success { background: #d3f5df; color: #12703b; }

.login-box {
    max-width: 360px;
    margin: 4rem auto;
    background: #fff;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

.pagination { margin-top: 1rem; }
.pagination a, .pagination span {
    display: inline-block;
    padding: 0.3rem 0.6rem;
    margin-right: 0.25rem;
    border-radius: 4px;
    text-decoration: none;
    background: #fff;
    border: 1px solid #e4e7eb;
    color: #1f2933;
    font-size: 0.85rem;
}
.pagination .current { background: #2a5bd7; color: #fff; border-color: #2a5bd7; }

pre.payload {
    background: #1f2933;
    color: #d3f5df;
    padding: 0.75rem;
    border-radius: 6px;
    overflow-x: auto;
    font-size: 0.8rem;
    max-width: 100%;
}

.actions a, .actions button { margin-right: 0.4rem; }