body {
            font-family: Arial, Helvetica, sans-serif;
            background-color: #f4f7fb;
            color: #1f2d3d;
            margin: 0;
            padding: 0;
        }

        a {
            color: #0b4f7c;
        }

        .page-wrap {
            max-width: 900px;
            margin: 0 auto;
            padding: 30px 20px 40px 20px;
        }

        .site-shell {
            background: #ffffff;
            border: 1px solid #d9e2ec;
            border-radius: 12px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.06);
            overflow: hidden;
        }

        .site-header {
            background: #0b4f7c;
            color: #ffffff;
            padding: 20px 30px;
        }

        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }

        .logo-box {
            width: 120px;
            display: flex;
            align-items: center;
            justify-content: flex-start;
            flex: 0 0 120px;
        }

        .logo-box img {
            height: 72px;
            width: auto;
            display: block;
        }

        .brand-text {
            flex: 1 1 auto;
            text-align: center;
        }

        .brand-text h5 {
            margin: 0;
            font-size: 18px;
            color: #ffffff;
        }

        .user-summary,
        .user-summary-empty {
            width: 120px;
            flex: 0 0 120px;
            text-align: right;
            font-size: 14px;
            line-height: 1.5;
            color: rgba(255,255,255,0.92);
        }

        .main-nav {
            margin-top: 18px;
            padding-top: 14px;
            border-top: 1px solid rgba(255,255,255,0.20);
        }

        .main-nav a {
            color: #ffffff;
            text-decoration: none;
            font-weight: bold;
            margin-right: 18px;
            display: inline-block;
            margin-bottom: 8px;
        }

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

        .site-content {
            padding: 30px;
        }

        h1, h2, h3 {
            color: #0b4f7c;
        }

        h1 {
            margin-top: 0;
        }

        p {
            line-height: 1.6;
            font-size: 16px;
        }

        .message-error {
            color: #8a1f1f;
            background: #fdeeee;
            border: 1px solid #efcaca;
            padding: 14px 16px;
            border-radius: 8px;
            margin-bottom: 18px;
        }

        .message-success {
            color: #1f5e2e;
            background: #edf8ef;
            border: 1px solid #cbe8d1;
            padding: 14px 16px;
            border-radius: 8px;
            margin-bottom: 18px;
        }

        input[type="text"],
        input[type="password"],
        select {
            width: 100%;
            max-width: 420px;
            padding: 10px 12px;
            border: 1px solid #bcccdc;
            border-radius: 6px;
            font-size: 15px;
            box-sizing: border-box;
        }

        input[type="submit"],
        button,
        .button-link {
            background: #0b4f7c;
            color: #ffffff;
            border: 1px solid #0b4f7c;
            border-radius: 8px;
            padding: 10px 18px;
            font-size: 15px;
            font-weight: bold;
            cursor: pointer;
            text-decoration: none;
            display: inline-block;
        }

        input[type="submit"]:hover,
        button:hover,
        .button-link:hover {
            background: #083a5b;
            color: #ffffff;
            text-decoration: none;
        }

        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin-top: 12px;
            margin-bottom: 24px;
        }

        .data-table th,
        .data-table td {
            border: 1px solid #bcccdc;
            padding: 8px 10px;
            text-align: left;
            vertical-align: top;
        }

        .data-table th {
            background: #f3f8fc;
            color: #0b4f7c;
        }

        .inline-form {
            display: inline;
            margin: 0;
        }

        hr {
            border: 0;
            border-top: 1px solid #d9e2ec;
            margin: 28px 0;
        }
    label { display: block; margin: 18px 0; line-height: 1.7; }
label > input, label > select, label > textarea { display: block; }
input:not([type]), input[type="email"], input[type="number"], textarea { width: 100%; max-width: 420px; padding: 10px 12px; border: 1px solid #bcccdc; border-radius: 6px; font: inherit; box-sizing: border-box; }
button { margin: 4px 4px 4px 0; }
.secondary { background: white; color: #0b4f7c; }
.danger { background: #9f2626; border-color: #9f2626; }
.list-item { border-bottom: 1px solid #d9e2ec; padding: 14px 0; overflow-wrap: anywhere; }
.list-item .inline-form { margin-left: 12px; }
.tag-form { display: inline-block; }
.site-content { overflow-x: auto; }
.site-footer { padding: 18px 30px; border-top: 1px solid #d9e2ec; color: #52687c; font-size: 14px; }
.description { white-space: pre-wrap; }
dt { font-weight: bold; color: #0b4f7c; margin-top: 16px; }
dd { margin: 5px 0; }
.hint { color: #52687c; font-size: 14px; max-width: 520px; }
details { margin-top: 32px; }
@media(max-width:600px) { .page-wrap { padding: 12px 8px; } .site-header, .site-content { padding: 18px; } .header-top { flex-wrap: wrap; gap: 12px; } .logo-box { width: 90px; flex-basis: 90px; } .brand-text { text-align: left; } .user-summary { width: 100%; flex-basis: 100%; text-align: left; } .main-nav a { margin-right: 12px; } .data-table th, .data-table td { padding: 8px; } }