.master-config-page {
    --rad-primary: #5B4FE5;
    --rad-primary-dark: #3D33B0;
    --rad-primary-soft: #EDEBFF;
    --rad-ink: #101827;
    --rad-ink-soft: #667085;
    --rad-ink-faint: #94A0B4;
    --rad-border: #E2E6ED;
    --rad-border-soft: #EEF0F5;
    --rad-surface: #FFFFFF;
    --rad-muted: #F8F9FC;
    --rad-page-bg: #F2F3FA;
    --rad-blue: #2563EB;
    --rad-blue-soft: #E5EDFF;
    --rad-green: #059669;
    --rad-green-soft: #D1FAE5;
    --rad-amber: #D97706;
    --rad-amber-soft: #FEF3C7;
    --rad-red: #E11D48;
    --rad-red-soft: #FFE4E9;
    --rad-violet: #7C3AED;
    --rad-violet-soft: #EDE9FE;
    --rad-radius-lg: 18px;
    --rad-radius-md: 13px;
    --rad-radius-sm: 9px;
    --rad-shadow: 0 1px 2px rgba(16,24,39,.04), 0 8px 20px rgba(16,24,39,.06);
    padding: 20px 24px 28px;
    background: var(--rad-page-bg);
    min-height: calc(100vh - 64px);
    display: flex;
    flex-direction: column;
    gap: 14px;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--rad-ink);
}

    .master-config-page *, .master-config-page *::before, .master-config-page *::after {
        box-sizing: border-box;
    }

    /* =========================================================
   PAGE HEADER
   ========================================================= */
    .master-config-page .rad-head {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        flex-wrap: wrap;
    }

    .master-config-page .rad-head-info {
        display: flex;
        flex-direction: column;
        gap: 2px;
    }

        .master-config-page .rad-head-info > span {
            font-size: 11px;
            font-weight: 700;
            letter-spacing: .08em;
            color: var(--rad-primary);
        }

        .master-config-page .rad-head-info h3 {
            margin: 2px 0 0;
            font-size: 21px;
            font-weight: 700;
            letter-spacing: -.01em;
            color: var(--rad-ink);
            display: flex;
            align-items: center;
        }

            .master-config-page .rad-head-info h3 i {
                color: var(--rad-primary);
                font-size: 20px;
            }

        .master-config-page .rad-head-info p {
            margin: 2px 0 0;
            font-size: 13px;
            color: var(--rad-ink-soft);
        }

    /* =========================================================
   INFO BANNER
   ========================================================= */
    .master-config-page .rad-info {
        display: flex;
        align-items: flex-start;
        gap: 12px;
        padding: 13px 16px;
        border-radius: var(--rad-radius-md);
        font-size: 12.5px;
        background: var(--rad-blue-soft);
        color: #1D4ED8;
        border: 1px solid #C7D9FF;
    }

        .master-config-page .rad-info i {
            font-size: 17px;
            margin-top: 1px;
        }

        .master-config-page .rad-info b {
            font-weight: 700;
        }

    /* =========================================================
   TOOLBAR : search + modality chips
   ========================================================= */
    .master-config-page .rad-master-toolbar {
        display: flex;
        align-items: center;
        gap: 14px;
        padding: 12px 16px;
        background: var(--rad-surface);
        border: 1px solid var(--rad-border);
        border-radius: var(--rad-radius-md);
        box-shadow: var(--rad-shadow);
        flex-wrap: wrap;
    }

    .master-config-page .rad-master-search {
        position: relative;
        display: flex;
        align-items: center;
        flex: 0 1 320px;
        min-width: 200px;
    }

        .master-config-page .rad-master-search i {
            position: absolute;
            left: 12px;
            font-size: 15px;
            color: var(--rad-ink-faint);
            pointer-events: none;
        }

        .master-config-page .rad-master-search input {
            width: 100%;
            height: 38px;
            padding: 0 12px 0 34px;
            border: 1px solid var(--rad-border);
            border-radius: 9px;
            background: var(--rad-muted);
            font-size: 13px;
            color: var(--rad-ink);
            outline: none;
            transition: border-color .15s ease, box-shadow .15s ease, background .15s ease;
        }

            .master-config-page .rad-master-search input::placeholder {
                color: #A5AEBF;
                font-size: 12.5px;
            }

            .master-config-page .rad-master-search input:focus {
                border-color: var(--rad-primary);
                background: var(--rad-surface);
                box-shadow: 0 0 0 3px var(--rad-primary-soft);
            }

    .master-config-page .rad-master-chips {
        display: flex;
        align-items: center;
        gap: 6px;
        flex-wrap: wrap;
    }

    .master-config-page .rad-master-chip {
        height: 34px;
        padding: 0 14px;
        border: 1px solid var(--rad-border);
        border-radius: 999px;
        background: var(--rad-surface);
        color: var(--rad-ink-soft);
        font-size: 12.5px;
        font-weight: 600;
        cursor: pointer;
        transition: background .15s ease, color .15s ease, border-color .15s ease;
    }

        .master-config-page .rad-master-chip:hover {
            border-color: var(--rad-primary);
            color: var(--rad-primary);
        }

        .master-config-page .rad-master-chip.active {
            background: var(--rad-primary);
            border-color: var(--rad-primary);
            color: #fff;
        }

    /* =========================================================
   MASTER LIST (card + real table)
   ========================================================= */
    .master-config-page .rad-master-list {
        background: var(--rad-surface);
        border: 1px solid var(--rad-border);
        border-radius: var(--rad-radius-lg);
        box-shadow: var(--rad-shadow);
        overflow: hidden;
    }

    .master-config-page .rad-list-head {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        padding: 15px 20px;
        border-bottom: 1px solid var(--rad-border);
    }

        .master-config-page .rad-list-head b {
            font-size: 11px;
            font-weight: 700;
            letter-spacing: .05em;
            color: var(--rad-ink-soft);
        }

        .master-config-page .rad-list-head span {
            font-size: 12px;
            font-weight: 600;
            color: var(--rad-ink-soft);
            background: var(--rad-muted);
            border: 1px solid var(--rad-border);
            padding: 4px 11px;
            border-radius: 999px;
        }

    .master-config-page .rad-master-table-wrap {
        overflow-x: auto;
    }

    .master-config-page .rad-master-table {
        width: 100%;
        border-collapse: collapse;
        font-size: 13.5px;
    }

        .master-config-page .rad-master-table thead th {
            text-align: left;
            font-size: 10.5px;
            text-transform: uppercase;
            letter-spacing: .04em;
            font-weight: 700;
            color: var(--rad-ink-soft);
            background: var(--rad-muted);
            padding: 11px 16px;
            border-bottom: 1px solid var(--rad-border);
            white-space: nowrap;
        }

            .master-config-page .rad-master-table thead th.right {
                text-align: right;
            }

        .master-config-page .rad-master-table tbody td {
            padding: 12px 16px;
            border-bottom: 1px solid var(--rad-border-soft);
            color: var(--rad-ink);
            vertical-align: middle;
        }

            .master-config-page .rad-master-table tbody td.right {
                text-align: right;
            }

        .master-config-page .rad-master-table tbody tr:last-child td {
            border-bottom: none;
        }

        .master-config-page .rad-master-table tbody tr:hover td {
            background: var(--rad-muted);
        }

        .master-config-page .rad-master-table tbody tr.is-selected td {
            background: var(--rad-primary-soft);
        }

    .master-config-page .rad-study-name {
        display: flex;
        align-items: center;
        gap: 11px;
    }

    .master-config-page .rad-study-icon {
        width: 34px;
        height: 34px;
        min-width: 34px;
        border-radius: 10px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 16px;
    }

        .master-config-page .rad-study-icon.xray {
            background: var(--rad-blue-soft);
            color: var(--rad-blue);
        }

        .master-config-page .rad-study-icon.usg {
            background: var(--rad-green-soft);
            color: var(--rad-green);
        }

        .master-config-page .rad-study-icon.ct {
            background: var(--rad-amber-soft);
            color: var(--rad-amber);
        }

        .master-config-page .rad-study-icon.mri {
            background: var(--rad-violet-soft);
            color: var(--rad-violet);
        }

    .master-config-page .rad-study-name strong {
        font-size: 13.5px;
        font-weight: 700;
        color: var(--rad-ink);
    }

    .master-config-page .rad-study-name span {
        display: block;
        font-size: 11.5px;
        color: var(--rad-ink-faint);
        margin-top: 1px;
    }

    .master-config-page .rad-td-label {
        display: block;
        font-size: 10px;
        font-weight: 700;
        letter-spacing: .04em;
        color: var(--rad-ink-faint);
        margin-bottom: 2px;
    }

    .master-config-page .rad-active-status {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: 11.5px;
        font-weight: 700;
        padding: 4px 11px;
        border-radius: 999px;
        background: var(--rad-green-soft);
        color: var(--rad-green);
    }

        .master-config-page .rad-active-status::before {
            content: "";
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: currentColor;
        }

    .master-config-page .rad-more {
        width: 30px;
        height: 30px;
        border-radius: 8px;
        border: 1px solid var(--rad-border);
        background: var(--rad-surface);
        color: var(--rad-ink-soft);
        display: inline-flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        font-size: 13px;
        transition: border-color .15s ease, color .15s ease, background .15s ease;
    }

        .master-config-page .rad-more:hover {
            border-color: var(--rad-primary);
            color: var(--rad-primary);
            background: var(--rad-primary-soft);
        }

    .master-config-page .rad-empty {
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: 40px 20px;
    }

        .master-config-page .rad-empty i {
            font-size: 26px;
            color: var(--rad-ink-faint);
            margin-bottom: 8px;
        }

        .master-config-page .rad-empty strong {
            font-size: 14px;
            color: var(--rad-ink);
        }

        .master-config-page .rad-empty span {
            font-size: 12.5px;
            color: var(--rad-ink-soft);
            margin-top: 3px;
        }

    /* =========================================================
   CONFIGURATION PANEL (add / edit form)
   ========================================================= */
    .master-config-page .rad-config {
        background: var(--rad-surface);
        border: 1px solid var(--rad-border);
        border-radius: var(--rad-radius-lg);
        box-shadow: var(--rad-shadow);
        overflow: hidden;
    }

    .master-config-page .rad-config-head {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        padding: 16px 20px;
        border-bottom: 1px solid var(--rad-border);
    }

    .master-config-page .rad-eyebrow {
        display: block;
        font-size: 10.5px;
        font-weight: 700;
        letter-spacing: .06em;
        color: var(--rad-primary);
    }

    .master-config-page .rad-config-head h5 {
        margin: 2px 0 0;
        font-size: 15.5px;
        font-weight: 700;
        color: var(--rad-ink);
    }

    .master-config-page .rad-required {
        font-size: 11.5px;
        color: var(--rad-red);
        font-weight: 600;
    }

    .master-config-page .rad-config-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 14px 16px;
        padding: 20px;
    }

        .master-config-page .rad-config-grid > div {
            display: flex;
            flex-direction: column;
            gap: 6px;
            min-width: 0;
        }

    .master-config-page .rad-config-full {
        grid-column: 1 / -1;
    }

    .master-config-page .rad-config-label {
        font-size: 11.5px;
        font-weight: 600;
        color: var(--rad-ink-soft);
    }

    .master-config-page .rad-form-control {
        width: 100%;
        min-height: 40px;
        padding: 9px 32px 9px 12px;
        border: 1px solid var(--rad-border);
        border-radius: 9px;
        background: var(--rad-surface) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath fill='%23667085' d='M0 0l5 6 5-6z'/%3E%3C/svg%3E") no-repeat right 12px center;
        appearance: none;
        -webkit-appearance: none;
        font-size: 13px;
        color: var(--rad-ink);
        outline: none;
        cursor: pointer;
        transition: border-color .15s ease, box-shadow .15s ease;
    }

        .master-config-page .rad-form-control:focus {
            border-color: var(--rad-primary);
            box-shadow: 0 0 0 3px var(--rad-primary-soft);
        }

    .master-config-page .rad-textarea {
        width: 100%;
        padding: 10px 12px;
        border: 1px solid var(--rad-border);
        border-radius: 9px;
        background: var(--rad-surface);
        font-size: 13px;
        color: var(--rad-ink);
        outline: none;
        resize: vertical;
        min-height: 68px;
        font-family: inherit;
        transition: border-color .15s ease, box-shadow .15s ease;
    }

        .master-config-page .rad-textarea:focus {
            border-color: var(--rad-primary);
            box-shadow: 0 0 0 3px var(--rad-primary-soft);
        }

    .master-config-page .rad-config-footer {
        display: flex;
        align-items: center;
        justify-content: flex-end;
        gap: 10px;
        padding: 14px 20px;
        background: var(--rad-muted);
        border-top: 1px solid var(--rad-border);
    }

@media (max-width: 980px) {
    .master-config-page .rad-config-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .master-config-page {
        padding: 14px;
    }

        .master-config-page .rad-config-grid {
            grid-template-columns: 1fr;
        }

        .master-config-page .rad-master-table {
            font-size: 12.5px;
        }
}