html, body {
    max-width: 100%;
}

/* ===== Back to top ===== */
.back-to-top {
    position: fixed;
    right: 24px;
    bottom: 24px;
    z-index: 2147483647;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    display: none;
    align-items: center;
    justify-content: center;
    background: var(--kb-dark-2);
    color: #fff;
    text-decoration: none;
    border: none;
    cursor: pointer;
    font-size: 1.1em;
    box-shadow: 0 8px 20px rgba(20,22,31,.35);
    transition: background .2s ease, transform .2s ease;
}
.back-to-top.show { display: flex; }
.back-to-top:hover { background: var(--kb-dark); transform: translateY(-3px); }

@media (max-width: 600px) {
    .back-to-top { width: 40px; height: 40px; right: 16px; bottom: 16px; }
}

.kb-area {
    position: relative;
    margin: 0 auto;
    padding: 14px;
    width: 100%;
    height: 130px;
    border-radius: 6px;
    background-color: #fff;
    box-shadow: 0 1px 0 0 rgba(198, 198, 198, 0.3);
    box-sizing: border-box
}

.kb-txt {
    display: block;
    width: 100%;
    height: 100%;
    color: #212121;
    font-size: 16px;
    outline: none;
    resize: none;
    text-align: left;
    border: 0 solid transparent;
}


.kb {
    margin: 30px 0;
    /*width: 1000px;*/
    height: auto;
    border-radius: 6px;
}

.kb-btn.keydown_press {
    background-color: #ececec !important;
    border: 1px solid #ececec !important;
    box-shadow: inset 0 1px 2px 0 rgba(0,0,0,0.35)
}

.kb-ui-viewport {
    width: 100%;
    overflow: hidden;
}

.kb-ui {
    position: relative;
    padding: 0 10px;
    height: 235px;
    width: max-content;
    max-width: 1000px;
    overflow: auto;
    /*margin-left:45px;*/
}

.kb-box {
    position: relative;
    float: left;
    height: inherit;
        margin:0px 22px;
}

    .kb-box.kb-left {
        width: 565px
    }

    .kb-box.kb-center {
        /*margin-left: 20px;*/
        width: 115px
    }

        .kb-box.kb-center .kb-btn {
            font-size: 10px;
            font-weight: 600;
        }

            .kb-box.kb-center .kb-btn.kb-38uarr-59, .kb-box.kb-center .kb-btn.kb-left, .kb-box.kb-center .kb-btn.kb-38darr-59, .kb-box.kb-center .kb-btn.kb-right {
                font-size: 20px;
                font-weight: 700
            }

    .kb-box.kb-right {
        float: left;
        margin-right: 7px;
        width: 151px
    }

        .kb-box.kb-right .kb-btn.small {
            width: 34px;
            height: 34px;
            font-size: 12px
        }

        .kb-box.kb-right .kb-btn.kb-47 {
            top: 29px;
            left: 39px
        }

        .kb-box.kb-right .kb-btn.kb-42 {
            top: 29px;
            left: 78px
        }

        .kb-box.kb-right .kb-btn.kb-- {
            top: 29px;
            right: 0;
            left: auto
        }

        .kb-box.kb-right .kb-btn.kb-7 {
            top: 68px;
            left: auto
        }

        .kb-box.kb-right .kb-btn.kb-8 {
            top: 68px;
            left: 39px
        }

        .kb-box.kb-right .kb-btn.kb-9 {
            top: 68px;
            left: 78px
        }

        .kb-box.kb-right .kb-btn.kb-43 {
            top: 68px;
            right: 0
        }

        .kb-box.kb-right .kb-btn.kb-4 {
            top: 107px;
            left: 0
        }

        .kb-box.kb-right .kb-btn.kb-5 {
            top: 107px;
            left: 39px
        }

        .kb-box.kb-right .kb-btn.kb-6 {
            top: 107px;
            left: 78px
        }

        .kb-box.kb-right .kb-btn.kb-37 {
            top: 107px;
            right: 0;
            left: auto
        }

        .kb-box.kb-right .kb-btn.kb-1 {
            top: 146px;
            left: 0
        }

        .kb-box.kb-right .kb-btn.kb-2 {
            top: 146px;
            left: 39px
        }

        .kb-box.kb-right .kb-btn.kb-3 {
            top: 146px;
            left: 78px
        }

        .kb-box.kb-right .kb-btn.kb-61 {
            top: 146px;
            right: 0;
            left: auto
        }

        .kb-box.kb-right .kb-btn.kb-0 {
            top: 185px;
            left: 0;
            width: 73px
        }

        .kb-box.kb-right .kb-btn.kb-46 {
            top: 185px;
            left: 78px
        }

        .kb-box.kb-right .kb-btn.kb-enter {
            top: 146px;
            right: 0;
            left: auto;
            width: 34px;
            height: 73px;
            font-size: 12px
        }

    .kb-box.kb-NmLk {
        top: 0;
        left: 0
    }

.kb-btn {
    display: block;
    position: absolute;
    width: 34px;
    height: 34px;
    cursor: pointer;
    color: #666;
    font-size: 16px;
    font-weight: 600;
    border-radius: 3px;
    text-align: center;
    background-color: #fff;
    border: 1px solid #dbd9d9;
}

    .kb-btn.small {
        top: 0;
        height: 24px;
        font-size: 12px;
    }

    .kb-btn.middle {
        top: 29px;
    }

    .kb-btn.kb-Esc {
        left: 0;
        font-size: 14px
    }

    .kb-btn.kb-F1 {
        left: 98px
    }

    .kb-btn.kb-F2 {
        left: 137px
    }

    .kb-btn.kb-F3 {
        left: 176px
    }

    .kb-btn.kb-F4 {
        left: 215px
    }

    .kb-btn.kb-F5 {
        left: 254px
    }

    .kb-btn.kb-F6 {
        left: 293px
    }

    .kb-btn.kb-F7 {
        left: 332px
    }

    .kb-btn.kb-F8 {
        left: 371px
    }

    .kb-btn.kb-F9 {
        left: 410px
    }

    .kb-btn.kb-F10 {
        left: 449px
    }

    .kb-btn.kb-F11 {
        left: 488px
    }

    .kb-btn.kb-F12 {
        left: 527px
    }

    .kb-btn.kb-96 {
        left: 0
    }

    .kb-btn.kb-1 {
        left: 39px
    }

    .kb-btn.kb-2 {
        left: 78px
    }

    .kb-btn.kb-3 {
        left: 117px
    }

    .kb-btn.kb-4 {
        left: 156px
    }

    .kb-btn.kb-5 {
        left: 195px
    }

    .kb-btn.kb-6 {
        left: 234px
    }

    .kb-btn.kb-7 {
        left: 273px
    }

    .kb-btn.kb-8 {
        left: 312px
    }

    .kb-btn.kb-9 {
        left: 351px
    }

    .kb-btn.kb-0 {
        left: 390px
    }

    .kb-btn.kb-- {
        left: 429px
    }

    .kb-btn.kb-61 {
        left: 468px
    }

    .kb-btn.kb-bksp, .kb-btn.kb-tab {
        left: 507px;
        width: 54px;
        font-size: 20px;
        font-weight: 700
    }

    .kb-btn.kb-tab {
        top: 68px;
        left: 0;
        font-size: 16px;
        font-weight: 600
    }

    .kb-btn.kb-q {
        top: 68px;
        left: 59px
    }

    .kb-btn.kb-w {
        top: 68px;
        left: 98px
    }

    .kb-btn.kb-e {
        top: 68px;
        left: 137px
    }

    .kb-btn.kb-r {
        top: 68px;
        left: 176px
    }

    .kb-btn.kb-t {
        top: 68px;
        left: 215px
    }

    .kb-btn.kb-y {
        top: 68px;
        left: 254px
    }

    .kb-btn.kb-u {
        top: 68px;
        left: 293px
    }

    .kb-btn.kb-i {
        top: 68px;
        left: 332px
    }

    .kb-btn.kb-o {
        top: 68px;
        left: 371px
    }

    .kb-btn.kb-p {
        top: 68px;
        left: 410px
    }

    .kb-btn.kb-91 {
        top: 68px;
        left: 449px
    }

    .kb-btn.kb-93 {
        top: 68px;
        left: 488px
    }

    .kb-btn.kb-92 {
        top: 68px;
        left: 527px
    }

    .kb-btn.kb-Caps {
        top: 107px;
        left: 0;
        width: 62px
    }

    .kb-btn.kb-a {
        top: 107px;
        left: 67px
    }

    .kb-btn.kb-s {
        top: 107px;
        left: 106px
    }

    .kb-btn.kb-d {
        top: 107px;
        left: 145px
    }

    .kb-btn.kb-f {
        top: 107px;
        left: 184px
    }

    .kb-btn.kb-g {
        top: 107px;
        left: 223px
    }

    .kb-btn.kb-h {
        top: 107px;
        left: 262px
    }

    .kb-btn.kb-j {
        top: 107px;
        left: 301px
    }

    .kb-btn.kb-k {
        top: 107px;
        left: 340px
    }

    .kb-btn.kb-l {
        top: 107px;
        left: 379px
    }

    .kb-btn.kb-59 {
        top: 107px;
        left: 418px
    }

    .kb-btn.kb-39 {
        top: 107px;
        left: 457px
    }

    .kb-btn.kb-enter {
        top: 107px;
        left: 496px;
        width: 65px
    }

    .kb-btn.kb-shift {
        top: 146px;
        left: 0;
        width: 72px
    }

    .kb-btn.kb-z {
        top: 146px;
        left: 77px
    }

    .kb-btn.kb-x {
        top: 146px;
        left: 116px
    }

    .kb-btn.kb-c {
        top: 146px;
        left: 155px
    }

    .kb-btn.kb-v {
        top: 146px;
        left: 194px
    }

    .kb-btn.kb-b {
        top: 146px;
        left: 233px
    }

    .kb-btn.kb-n {
        top: 146px;
        left: 272px
    }

    .kb-btn.kb-m {
        top: 146px;
        left: 311px
    }

    .kb-btn.kb-44 {
        top: 146px;
        left: 350px
    }

    .kb-btn.kb-46 {
        top: 146px;
        left: 389px
    }

    .kb-btn.kb-47 {
        top: 146px;
        left: 428px
    }

    .kb-btn.kb-shift.shift-two {
        top: 146px;
        left: 467px;
        width: 94px
    }

    .kb-btn.kb-Ctrl {
        top: 185px;
        left: 0;
        width: 56px
    }

        .kb-btn.kb-Ctrl.Ctrl-two {
            left: 504px;
        }

    .kb-btn.kb-windos {
        top: 185px;
        left: 61px;
        color: #888
    }

        .kb-btn.kb-windos.windos-two {
            left: 424px;
        }

    .kb-btn.kb-context {
        top: 185px;
        left: 61px;
        color: #888;
        left: 462px;
        top: 185px;
        width: 38px;
    }

    .kb-btn.kb-alt {
        top: 185px;
        left: 100px;
        width: 52px
    }

        .kb-btn.kb-alt.alt-two {
            /*right: 147px;*/
            left: 381px;
            top: 185px;
            width: 38px
        }

    .kb-btn.kb-space {
        top: 185px;
        left: 157px;
        width: 219px
    }

    .kb-btn.kb-prtSc {
        top: 0;
        left: 0
    }

    .kb-btn.kb-ScrlLk {
        top: 0;
        left: 39px
    }

    .kb-btn.kb-Pause {
        top: 0;
        left: 78px;
        width: 36px
    }

    .kb-btn.kb-Ins {
        top: 29px;
        left: 0
    }

    .kb-btn.kb-Home {
        top: 29px;
        left: 39px;
        letter-spacing: -1px
    }

    .kb-btn.kb-PgUp {
        top: 29px;
        left: 78px;
        width: 36px
    }

    .kb-btn.kb-del {
        top: 68px;
        left: 0
    }

    .kb-btn.kb-End {
        top: 68px;
        left: 39px
    }

    .kb-btn.kb-PgDn {
        top: 68px;
        left: 78px;
        width: 36px
    }

    .kb-btn.kb-38uarr-59 {
        top: 146px;
        left: 39px
    }

    .kb-btn.kb-left {
        top: 185px;
        left: 0
    }

    .kb-btn.kb-38darr-59 {
        top: 185px;
        left: 39px
    }

    .kb-btn.kb-right {
        top: 185px;
        left: 78px;
        width: 36px
    }

    .kb-btn.kb-NmLk {
        top: 29px;
        left: 0
    }

    .kb-btn:hover {
        border: 1px solid #a2a2a2;
        background: #e3e3e3;
    }

.kb-text {
    display: inline-block;
    padding: 0;
    margin: 0;
    white-space: nowrap
}

.footer {
    position: relative;
    width: 100%;
    max-height: 200px;
    padding: 15px 0px 40px 0px;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    text-align: center;
    color: #585d60;
}

.kb-ui .press {
    background: #e3e3e3 !important;
}

.kb-ui .active {
    background: #0ec87a !important;
}
.foreground-div {
    position: relative;
    z-index: 2;
    background: #f5f6f8;
}

/* app.min.css sets #wrapper/.content-page to overflow:hidden (vendor admin-
   template chrome, index.html only - guide.html never loads that stylesheet).
   An overflow:hidden ancestor becomes position:sticky's containing block, but
   these two never scroll internally themselves (they're sized to fit their
   content) - so a sticky descendant sticks relative to a box that never
   moves, instead of tracking the page's real scroll on <body>. Restore
   visible so .page-ad-rail's sticky positioning tracks the actual page scroll. */
#wrapper, .content-page {
    overflow: visible;
}

.background-div {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 90%;
    z-index: 1;
    overflow: auto;
}
.hide {
    display: none !important;
}

/* ===== Cosmetic polish (visible page only) ===== */
.kb-title-bar {
    background: linear-gradient(135deg, #14161f 0%, #1f2230 100%);
    border-radius: 6px 6px 0 0;
}

.kb {
    border: 1px solid #eee;
    box-shadow: 0 4px 18px rgba(20, 22, 31, .07);
    border-radius: 10px;
    overflow: hidden;
}

.kb-area {
    box-shadow: 0 1px 0 0 rgba(198, 198, 198, .3), inset 0 0 0 1px #eee;
}

.kb-ui {
    scrollbar-width: thin;
}

.footer {
    border-top: 1px solid #e6e6e6;
    margin-top: 6px;
    padding-top: 24px;
}

/* .footer is a column flex container with align-items:center, so its
   flex-item children shrink to content width by default - the ad-slot
   has no content yet when adsbygoogle.push() runs, so it measures 0px
   and Google can't size the ad ("No slot size for availableWidth=0").
   Stretch it to the full footer width instead. */
.footer .ad-slot {
    width: 100%;
}

.footer p {
    font-size: .82em;
    line-height: 1.65;
    max-width: 640px;
    color: #6b7280;
}

/* Outer layout: left ad rail | tool card + guide content | right ad rail */
.page-layout { display: grid; grid-template-columns: 280px 1fr 280px; gap: 32px; align-items: start; }

/* ===== Responsive tuning ===== */
/* Narrower rail columns once the viewport can't comfortably fit the full
   280px width alongside the content column, before the rail disappears
   entirely below 1200px (kept in sync with .page-ad-rail's own breakpoint
   in ad-rail.css). */
@media (max-width: 1500px) {
    .page-layout { grid-template-columns: 200px 1fr 200px; gap: 15px; }
}

@media (max-width: 1200px) {
    .page-layout { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
    .kb { margin: 18px 0; }
}

@media (max-width: 600px) {
    h1.h2 { font-size: 1.3em !important; }
}