:root {
            --danger: #b00020;
            --ok: #0a7a2f;
            --border: #d0d7de;
            --bg: #f6f8fa;
            --primary: #0969da;
        }

        /* Prevent “100% width + padding = overflow” */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        body {
            font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
            margin: 0;
            background: var(--bg);
            color: #111;
        }

        /* Page header */
        .page-header {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 18px 20px;
            background: #ffffff;
            border-bottom: 1px solid var(--border);
        }

        .page-header-logo {
            width: 100px;
            height: 100px;
            object-fit: contain;
            flex: 0 0 auto;
        }

        .page-header-title {
            font-size: 22px;
            font-weight: 800;
            margin: 0;
            line-height: 1.1;
        }

        /* Layout */
        .wrap {
            max-width: 720px;
            margin: 18px auto 32px;
            padding: 20px;
        }

        .card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 14px;
            padding: 20px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, .04);
        }

        form {
            display: grid;
            gap: 14px;
        }

        .field {
            display: block;
            max-width: 100%;
        }

        label {
            display: block;
            font-weight: 650;
            margin-bottom: 6px;
        }

        input,
        select {
            width: 100%;
            max-width: 100%;
            padding: 11px 12px;
            border: 1px solid var(--border);
            border-radius: 10px;
            font-size: 15px;
            background: #fff;
            outline: none;
        }

        input:focus,
        select:focus {
            box-shadow: 0 0 0 3px rgba(9, 105, 218, .2);
            border-color: var(--primary);
        }

        .help {
            font-size: 13px;
            color: #57606a;
            margin-top: 6px;
        }

        .error {
            font-size: 13px;
            color: var(--danger);
            margin-top: 6px;
            display: none;
        }

        .invalid input,
        .invalid select {
            border-color: var(--danger);
            box-shadow: 0 0 0 3px rgba(176, 0, 32, .12);
        }

        .invalid .error {
            display: block;
        }

        /* Radios */
        .radio-group {
            display: flex;
            gap: 18px;
            margin-top: 6px;
            flex-wrap: wrap;
        }

        .radio {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 550;
            cursor: pointer;
            user-select: none;
        }

        .radio input[type="radio"] {
            width: 18px;
            height: 18px;
            cursor: pointer;
            margin: 0;
        }

        /* Terms row */
        .terms {
            display: flex;
            gap: 10px;
            align-items: flex-start;
        }

        .terms input[type="checkbox"] {
            width: 18px;
            height: 18px;
            margin-top: 2px;
        }

        .terms a {
            color: var(--primary);
            text-decoration: underline;
            cursor: pointer;
        }

        /* Actions */
        .actions {
            display: flex;
            gap: 10px;
            align-items: center;
            margin-top: 6px;
            flex-wrap: wrap;
        }

        button {
            border: 0;
            border-radius: 10px;
            padding: 11px 14px;
            font-size: 15px;
            cursor: pointer;
            background: var(--primary);
            color: #fff;
        }

        button[disabled] {
            opacity: .6;
            cursor: not-allowed;
        }

        .status {
            font-size: 14px;
        }

        .status.ok {
            color: var(--ok);
        }

        .status.bad {
            color: var(--danger);
        }

        /* Modal */
        .modal-backdrop {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, .55);
            display: none;
            align-items: center;
            justify-content: center;
            padding: 18px;
            z-index: 9999;
        }

        .modal {
            width: min(720px, 100%);
            background: #fff;
            border-radius: 14px;
            border: 1px solid var(--border);
            overflow: hidden;
            box-shadow: 0 20px 80px rgba(0, 0, 0, .25);
        }

        .modal header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 14px 16px;
            border-bottom: 1px solid var(--border);
        }

        .modal header h2 {
            margin: 0;
            font-size: 16px;
        }

        .modal .content {
            padding: 16px;
            max-height: 60vh;
            overflow: auto;
            line-height: 1.45;
        }

        .modal footer {
            padding: 12px 16px;
            border-top: 1px solid var(--border);
            display: flex;
            justify-content: flex-end;
            gap: 10px;
        }

        .ghost {
            background: #f3f4f6;
            color: #111;
        }

        .modal-open {
            display: flex;
        }

        @media (max-width: 420px) {
            .wrap {
                padding: 14px;
            }

            .card {
                padding: 16px;
            }

            .page-header {
                padding: 14px;
            }

            .page-header-title {
                font-size: 20px;
            }
        }