/* Shared TR/EN keyboard stage. Scoped overrides preserve the other tests.
   !important is limited to properties locked by the site's dark-theme.css. */
.kb3d-test {
    --kb3d-accent: #10a37f;
    --kb3d-face: #2f2f2f;
    --kb3d-edge: #171717;
    --kb3d-line: #424242;
    --kb3d-text: #ececec;
    --kb3d-tilt: 24deg;
    --kb3d-roll: -1deg;
    padding: clamp(16px, 2.4vw, 30px) !important;
}

.kb3d-test .kb3d-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding-bottom: 24px;
}

.kb3d-eyebrow {
    display: block;
    margin-bottom: 10px;
    color: #8e8e8e;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .16em;
}

.kb3d-heading h2 {
    margin: 0 0 8px;
    color: #ececec;
    font-size: clamp(24px, 3vw, 36px);
    font-weight: 700;
    letter-spacing: -.04em;
}

.kb3d-heading p {
    margin: 0;
    color: #b4b4b4;
    font-size: 13px;
    line-height: 1.6;
}

.kb3d-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    border: 1px solid #424242;
    border-radius: 12px;
    color: #ececec;
    background: #171717;
    font: 600 14px ui-monospace, monospace;
}

.kb3d-badge i { color: #10a37f; }

.kb3d-test .kb-test-controls { gap: 10px; margin-bottom: 20px; }
.kb3d-test .kb-test-controls__left,
.kb3d-test .kb-test-controls__right { gap: 8px; }

.kb3d-test .kb-premium-box {
    min-height: 46px;
    padding: 8px 12px;
    border-radius: 10px;
    background: #171717;
    border: 1px solid #424242;
    box-shadow: none;
    font-size: 12px;
    color: #ececec;
}

.kb3d-test .kb-premium-box i { color: #b4b4b4; }
.kb3d-test .kb-toggle-copy { line-height: 1.4; }
.kb3d-test .kb-toggle-copy small { color: #8e8e8e; font-size: 10px; }
.kb3d-test .kb-layout-picker select { min-width: 90px; border-radius: 6px; }
.kb3d-test input[type="checkbox"] { accent-color: #10a37f; }

.kb3d-test .kb-test-btn {
    border: 1px solid #424242 !important;
    border-radius: 8px !important;
    background: #212121 !important;
    color: #ececec !important;
    box-shadow: none;
    font-size: 12px;
    font-weight: 600 !important;
    padding: 10px 12px !important;
}

.kb3d-test .kb-test-btn:hover { background: #2f2f2f !important; transform: none; }
.kb3d-test .kb-test-btn.active { border-color: #10a37f !important; background: #171717 !important; }

.kb3d-test .trq-sim {
    --u: 44px;
    --h: 46px;
    --gap: 8px;
    --block-gap: 20px;
    overflow: visible;
    padding: 0;
    min-width: 0;
}

.kb3d-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    padding: 14px 0;
    border-top: 1px solid #424242;
}

.kb3d-status {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #b4b4b4;
    font-size: 11px;
    font-weight: 600;
}

.kb3d-status::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #8e8e8e;
}

.kb3d-test.is-listening .kb3d-status::before {
    background: #10a37f;
    box-shadow: 0 0 12px rgba(16, 163, 127, .6);
}

.kb3d-view-controls { display: flex; align-items: center; flex-wrap: wrap; gap: 14px; }
.kb3d-test [hidden] { display: none !important; }
.kb3d-view-switch { display: inline-flex; padding: 3px; border: 1px solid #424242; border-radius: 9px; background: #171717; }

.kb3d-test .kb3d-view-switch button,
.kb3d-test .kb3d-zoom {
    min-height: 34px;
    padding: 7px 12px;
    border: 1px solid transparent;
    border-radius: 6px;
    background: transparent;
    color: #b4b4b4;
    font-family: inherit;
    font-weight: 600;
    line-height: 1.4;
    font-size: 11px;
    cursor: pointer;
}

.kb3d-test .kb3d-view-switch button[aria-pressed="true"] { color: #ececec; background: #2f2f2f; border-color: #424242; }
.kb3d-test .kb3d-view-switch button:hover,
.kb3d-test .kb3d-zoom:hover { color: #fff; background: #424242; }
.kb3d-test .kb3d-zoom { color: #ececec; border-color: #424242; }
.kb3d-test .kb3d-zoom[aria-pressed="true"] { border-color: #10a37f; }
.kb3d-test .kb3d-view-controls button:focus-visible,
.kb3d-test .kb3d-view-controls input:focus-visible { outline: 2px solid #10a37f; outline-offset: 3px; }
.kb3d-angle { display: inline-flex; align-items: center; gap: 10px; margin: 0; color: #8e8e8e; font-size: 11px; }
.kb3d-angle input { width: 80px; min-height: 32px; accent-color: #10a37f; cursor: pointer; }
.kb3d-angle:has(input:disabled) { opacity: .4; }

.kb3d-scene {
    position: relative;
    isolation: isolate;
    border: 1px solid #2f2f2f;
    border-radius: 16px;
    background-color: #000;
    background-image:
        radial-gradient(ellipse at 50% 65%, rgba(16, 163, 127, .09), transparent 60%),
        radial-gradient(rgba(180, 180, 180, .1) .6px, transparent .6px);
    background-size: auto, 20px 20px;
}

.kb3d-test .trq-scroll {
    position: relative;
    overflow-x: auto;
    overflow-y: hidden;
    padding: 22px 20px 90px;
    scrollbar-width: thin;
    scrollbar-color: #424242 #171717;
    touch-action: pan-x pan-y;
    overscroll-behavior-x: contain;
    border-radius: inherit;
}

.kb3d-test .trq-scroll::-webkit-scrollbar { height: 6px; }
.kb3d-test .trq-scroll::-webkit-scrollbar-thumb { background: #424242; border-radius: 9px; }
.kb3d-frame { position: relative; width: max-content; margin-inline: auto; }
/* Clip the unscaled layout box so fitting does not leave a phantom scrollbar. */
.kb3d-test.is-enhanced .kb3d-frame { overflow: hidden; overflow: clip; }
.kb3d-fit { width: max-content; padding: 32px 54px 46px; transform-origin: 0 0; }
.kb3d-test.is-enhanced .kb3d-fit { position: absolute; left: 0; top: 0; transform: scale(var(--kb3d-scale, 1)); }

.kb3d-test .trq-board {
    position: relative;
    transform-style: preserve-3d;
    transform: perspective(2200px) rotateX(var(--kb3d-tilt)) rotateZ(var(--kb3d-roll));
    transform-origin: center center;
    transition: transform 220ms ease;
    padding: 16px 18px 24px;
    border: 1px solid #424242 !important;
    border-radius: 16px;
    background: linear-gradient(165deg, #2f2f2f, #212121 40%, #171717) !important;
    box-shadow:
        0 1px 0 #424242, 0 3px 0 #212121, 0 6px 0 #171717,
        0 10px 0 #171717, 0 13px 0 #2f2f2f, 0 14px 0 #424242,
        0 16px 0 #171717, 0 35px 28px rgba(0, 0, 0, .7),
        inset 0 1px 0 rgba(255, 255, 255, .08) !important;
}

.kb3d-test .trq-board::after {
    content: "";
    position: absolute;
    bottom: -12px;
    left: 22%;
    right: 22%;
    height: 2px;
    border-radius: 2px;
    background: #10a37f;
    box-shadow: 0 2px 14px rgba(16, 163, 127, .4);
    pointer-events: none;
}

.kb3d-test .trq-board.is-blur { filter: none; }
.kb3d-test .trq-board:focus-visible { outline: 2px solid #10a37f; outline-offset: 7px; }
.kb3d-test.is-top-view .trq-board { --kb3d-tilt: 0deg; --kb3d-roll: 0deg; }

.kb3d-deck { display: flex; align-items: center; gap: 18px; padding: 0 4px 18px; }
.kb3d-brand { color: #ececec; font-size: 17px; font-weight: 800; letter-spacing: -.7px; }
.kb3d-brand span { color: #10a37f; }
.kb3d-deck-line { flex: 1; height: 1px; background: #424242; }
.kb3d-deck-label { color: #8e8e8e; font: 10px ui-monospace, monospace; letter-spacing: .14em; }

.kb3d-test .trq-grid,
.kb3d-test .trq-zone,
.kb3d-test .trq-rows,
.kb3d-test .trq-rowgrid,
.kb3d-test .trq-nav,
.kb3d-test .trq-nav .blk,
.kb3d-test .trq-arrows,
.kb3d-test .trq-numpad { transform-style: preserve-3d; }

.kb3d-test .trq-zone { padding: 0; border: 0; border-radius: 0; background: transparent; box-shadow: none; }

.kb3d-test .trq-key {
    position: relative;
    transform: translateZ(10px);
    border: 1px solid #424242 !important;
    border-radius: 7px;
    background: linear-gradient(145deg, #424242, #2f2f2f 38%, #2f2f2f 75%, #212121) !important;
    color: #ececec !important;
    box-shadow: 0 1px 0 #212121, 0 3px 0 #171717, 0 6px 0 #171717, 0 7px 0 #424242,
        0 9px 5px rgba(0, 0, 0, .65), inset 0 1px 0 rgba(255, 255, 255, .07) !important;
    font: 600 12px/1.1 ui-monospace, SFMono-Regular, Consolas, monospace;
    text-shadow: 0 1px 1px rgba(0, 0, 0, .8);
    overflow: visible;
    white-space: nowrap;
    transition: transform 70ms ease-out, background 100ms ease-out, box-shadow 70ms ease-out;
}

.kb3d-test .trq-key::before {
    content: "";
    position: absolute;
    inset: 3px 3px 5px;
    border: 1px solid rgba(236, 236, 236, .045);
    border-radius: 4px;
    pointer-events: none;
}

.kb3d-test .trq-key .sub { margin-top: 3px; font-size: 9px; color: #8e8e8e; }
.kb3d-test .trq-key[data-code="KeyF"]::after,
.kb3d-test .trq-key[data-code="KeyJ"]::after,
.kb3d-test .trq-key[data-code="Numpad5"]::after {
    content: "";
    position: absolute;
    bottom: 6px;
    width: 9px;
    height: 2px;
    border-radius: 2px;
    background: #8e8e8e;
    box-shadow: 0 1px 0 #171717;
}

.kb3d-test .trq-key.sticky {
    background: linear-gradient(145deg, rgba(16, 163, 127, .18), transparent), #212121 !important;
    border-color: #10a37f !important;
    box-shadow: 0 1px 0 #212121, 0 3px 0 #171717, 0 6px 0 #171717, 0 7px 0 #0d8f70,
        0 9px 5px rgba(0, 0, 0, .65), inset 0 2px 0 #10a37f !important;
}

.kb3d-test .trq-key.untested { border: 1px dashed #b4b4b4 !important; }
.kb3d-test .trq-key.active {
    transform: translateZ(3px) translateY(4px);
    background: linear-gradient(145deg, #10a37f, #0d8f70) !important;
    border-color: #10a37f !important;
    color: #fff !important;
    box-shadow: 0 1px 0 #0d8f70, 0 2px 0 #171717,
        0 0 22px rgba(16, 163, 127, .35), inset 0 1px 4px rgba(0, 0, 0, .2) !important;
    text-shadow: none;
}
.kb3d-test .trq-key.active .sub { color: #fff; }
.kb3d-test .trq-ledpanel { background: #171717; border: 1px solid #424242; border-radius: 7px; }
.kb3d-test .trq-ledlabel { color: #8e8e8e; }
.kb3d-test .trq-leditem.on .trq-leddot { background: #10a37f; border-color: #0d8f70; box-shadow: 0 0 10px rgba(16, 163, 127, .5); }

.kb3d-test .trq-overlay {
    inset: 0;
    justify-content: flex-end;
    padding: 0 12px 22px;
    gap: 10px;
    background: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border: 0;
    text-align: center;
}
.kb3d-test .trq-overlay > span {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 24px;
    border: 1px solid #10a37f;
    border-radius: 10px;
    background: #10a37f;
    box-shadow: 0 4px 16px rgba(0, 0, 0, .5);
    color: #fff;
    font-size: 13px;
    font-weight: 600;
}
.kb3d-test .trq-overlay:hover > span { background: #0d8f70; }
.kb3d-test .trq-overlay small { color: #b4b4b4; font-size: 11px; font-weight: 400; }
.kb3d-test .trq-overlay:focus-visible { outline: 2px solid #10a37f; outline-offset: -3px; }

.kb3d-legend { display: flex; align-items: center; flex-wrap: wrap; gap: 16px; padding: 16px 0 4px; color: #b4b4b4; font-size: 11px; }
.kb3d-legend > span { display: inline-flex; align-items: center; gap: 7px; }
.kb3d-swatch { width: 11px; height: 11px; border: 1px solid #424242; border-radius: 3px; background: #2f2f2f; box-shadow: 0 2px 0 #171717; }
.kb3d-swatch--active { background: #10a37f; border-color: #10a37f; }
.kb3d-swatch--sticky { background: #171717; border-color: #10a37f; }
.kb3d-legend small { margin-left: auto; color: #8e8e8e; font-size: 11px; }
.kb3d-test .trq-panel { padding: 14px; border-radius: 10px; background: #171717 !important; }
.kb3d-test .trq-panel .ttl { font-weight: 500; font-size: 11px; color: #8e8e8e; }
.kb3d-test .trq-panel .content { color: #ececec; font-size: 13px; }
.kb3d-test .trq-panel .content.is-success { color: #10a37f; }
.kb3d-test .trq-panel .content.is-warn { color: #b4b4b4; }

@media (max-width: 767.98px) {
    .kb3d-test .kb3d-heading { padding-bottom: 18px; align-items: flex-start; gap: 10px; }
    .kb3d-badge { padding: 8px 10px; font-size: 12px; }
    .kb3d-view-controls { width: 100%; gap: 8px; }
    .kb3d-toolbar { gap: 10px; }
    .kb3d-angle { margin-left: auto; }
    .kb3d-angle input { width: 64px; }
    .kb3d-test .kb3d-zoom { flex: 1; }
    .kb3d-test .trq-scroll { padding: 12px 8px 96px; }
    .kb3d-test .kb-test-controls__right { display: grid; grid-template-columns: 1fr 1fr; }
    .kb3d-test .kb-test-controls__right button:last-child { grid-column: 1 / -1; }
    .kb3d-test .trq-panels { grid-template-columns: 1fr; }
    .kb3d-legend { gap: 10px; font-size: 10px; }
    .kb3d-legend small { width: 100%; margin: 0; }
}

@media (prefers-reduced-motion: reduce) {
    .kb3d-test .trq-board,
    .kb3d-test .trq-key,
    .kb3d-test .kb-test-btn { transition: none; }
}