/* Shared TR/EN presentation. The existing mouse tester owns the results. */
.m3d-test {
    --m3d-green: #10a37f;
    --m3d-hover: #0d8f70;
    --m3d-line: #424242;
    --m3d-text: #ececec;
    --m3d-tilt: 28deg;
    --m3d-turn: -16deg;
    --m3d-roll: -22deg;
    padding: clamp(16px, 2.4vw, 30px) !important;
    text-align: left;
}
.m3d-heading { display: flex; justify-content: space-between; align-items: flex-start; gap: 18px; margin-bottom: 24px; }
.m3d-eyebrow { display: block; margin-bottom: 10px; color: #8e8e8e; font-size: 10px; font-weight: 700; letter-spacing: .16em; }
.m3d-heading h2 { margin: 0 0 8px; color: var(--m3d-text); font-size: clamp(24px, 3vw, 36px); letter-spacing: -.04em; }
.m3d-heading p { margin: 0; color: #b4b4b4; font-size: 13px; line-height: 1.6; }
.m3d-badge { display: inline-flex; align-items: center; gap: 10px; padding: 12px 16px; border: 1px solid var(--m3d-line); border-radius: 12px; background: #171717; color: var(--m3d-text); font: 600 14px ui-monospace, monospace; }
.m3d-badge i { color: var(--m3d-green); }
.m3d-toolbar { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 14px; padding: 14px 0; border-top: 1px solid var(--m3d-line); }
.m3d-status { display: inline-flex; align-items: center; gap: 8px; color: #b4b4b4; font-size: 11px; }
.m3d-status::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: #8e8e8e; }
.m3d-test.is-hovered .m3d-status::before { background: var(--m3d-green); box-shadow: 0 0 12px rgba(16,163,127,.5); }
.m3d-controls { display: flex; align-items: center; flex-wrap: wrap; gap: 14px; }
.m3d-test [hidden] { display: none !important; }
.m3d-view-switch { display: inline-flex; padding: 3px; border: 1px solid var(--m3d-line); border-radius: 9px; background: #171717; }
.m3d-view-switch button { min-height: 36px; padding: 7px 12px; border: 1px solid transparent; border-radius: 6px; background: transparent; color: #b4b4b4; font: inherit; font-size: 11px; font-weight: 600; cursor: pointer; }
.m3d-view-switch button[aria-pressed="true"] { border-color: var(--m3d-line); background: #2f2f2f; color: var(--m3d-text); }
.m3d-view-switch button:hover { background: var(--m3d-line); color: #fff; }
.m3d-controls :focus-visible { outline: 2px solid var(--m3d-green); outline-offset: 3px; }
.m3d-angle { display: inline-flex; align-items: center; gap: 10px; margin: 0; color: #8e8e8e; font-size: 11px; }
.m3d-angle input { width: 90px; min-height: 36px; accent-color: var(--m3d-green); }
.m3d-angle:has(input:disabled) { opacity: .4; }

.m3d-scene {
    position: relative;
    isolation: isolate;
    border: 1px solid #2f2f2f;
    border-radius: 16px;
    background-color: #000;
    background-image: radial-gradient(ellipse at 50% 60%, rgba(16,163,127,.09), transparent 65%), radial-gradient(rgba(180,180,180,.1) .6px, transparent .6px);
    background-size: auto, 20px 20px;
    user-select: none;
}
.m3d-scene-caption { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; padding: 18px 20px 0; color: #8e8e8e; font: 10px ui-monospace, monospace; letter-spacing: .1em; }
.m3d-test .mouse-stage { position: relative; display: grid; place-items: center; height: 430px; padding: 42px 18px 36px; }
.m3d-test .mouse-stage::before { content: ""; position: absolute; width: 250px; height: 80px; top: 76%; border-radius: 50%; background: radial-gradient(ellipse, rgba(16,163,127,.1), transparent 65%); pointer-events: none; }
.m3d-test .mouse-shape {
    position: relative;
    width: 210px;
    height: 310px;
    margin: 0;
    border: 1px solid var(--m3d-line) !important;
    border-radius: 47% 47% 44% 44% / 34% 34% 58% 58%;
    background: linear-gradient(120deg, #424242, #212121 34%, #171717 75%, #2f2f2f) !important;
    transform: perspective(1100px) rotateX(var(--m3d-tilt)) rotateY(var(--m3d-turn)) rotateZ(var(--m3d-roll));
    transform-style: preserve-3d;
    transition: transform 220ms ease;
    box-shadow: 1px 2px 0 #424242, 2px 5px 0 #171717, 3px 9px 0 #171717, 4px 13px 0 #2f2f2f, 4px 15px 0 #424242, 4px 18px 0 #171717, 16px 36px 24px rgba(0,0,0,.7), inset 1px 1px 2px rgba(255,255,255,.09);
    pointer-events: none;
}
.m3d-test.is-top-view .mouse-shape { --m3d-tilt: 0deg; --m3d-turn: 0deg; --m3d-roll: 0deg; }
.m3d-test .mouse-shape::after { content: ""; position: absolute; inset: 4px; border: 1px solid rgba(16,163,127,.55); border-top-color: transparent; border-radius: inherit; transform: translateZ(-2px) translateY(13px); box-shadow: 0 7px 13px rgba(16,163,127,.13); }
.m3d-cable { position: absolute; width: 8px; height: 50px; left: calc(50% - 4px); top: -47px; border: 1px solid #424242; border-radius: 4px 4px 0 0; background: linear-gradient(90deg, #171717, #424242, #171717); transform: translateZ(4px); }
.m3d-palm { position: absolute; inset: 49% 5% 3%; display: grid; place-content: center; border: 1px solid #424242; border-radius: 15% 15% 48% 48% / 12% 12% 78% 78%; background: radial-gradient(ellipse at 35% 18%, #424242, #2f2f2f 38%, #212121 75%); transform: translateZ(12px); box-shadow: 0 5px 0 #171717, inset 0 1px 0 rgba(255,255,255,.07); }
.m3d-brand { color: #b4b4b4; font-size: 18px; font-weight: 800; letter-spacing: -.8px; }
.m3d-brand span { color: var(--m3d-green); }
.m3d-palm small { display: block; margin-top: 4px; text-align: center; color: #8e8e8e; font: 8px ui-monospace, monospace; letter-spacing: .18em; }
.m3d-test .mouse-button {
    top: 3%;
    width: 44%;
    height: 44%;
    border: 1px solid var(--m3d-line) !important;
    background: linear-gradient(125deg, #424242, #2f2f2f 48%, #212121) !important;
    transform: translateZ(19px);
    box-shadow: 0 3px 0 #171717, 0 5px 0 #424242, 0 8px 8px rgba(0,0,0,.4), inset 0 1px 0 rgba(255,255,255,.08);
    transition: transform 70ms ease-out, background 100ms ease-out, box-shadow 70ms ease-out;
}
.m3d-test .mouse-button.left { left: 4%; border-radius: 92% 12% 10% 18% / 65% 10% 10% 15%; }
.m3d-test .mouse-button.right { right: 4%; border-radius: 12% 92% 18% 10% / 10% 65% 15% 10%; }
.m3d-test .mouse-button > span:not(.scroll-indicator) { position: absolute; bottom: 18px; left: 0; right: 0; text-align: center; color: #8e8e8e; font: 10px ui-monospace, monospace; letter-spacing: .12em; }
.m3d-test .mouse-button.active {
    transform: translateZ(12px) translateY(3px);
    background: linear-gradient(125deg, var(--m3d-green), var(--m3d-hover)) !important;
    box-shadow: 0 2px 0 #171717, 0 0 24px rgba(16,163,127,.25), inset 0 1px 3px rgba(0,0,0,.2);
}
.m3d-test .mouse-button.active > span:not(.scroll-indicator) { color: #fff; }
.m3d-test .mouse-button.middle { top: 14%; left: calc(50% - 13px); width: 26px; height: 58px; border-radius: 12px; transform: translateZ(25px); background: #171717 !important; box-shadow: 0 3px 0 #000, 0 0 0 4px #171717; }
.m3d-test .mouse-button.middle.active { transform: translateZ(18px) translateY(3px); border-color: var(--m3d-green) !important; }
.m3d-test .scroll-indicator { inset: 3px; width: auto; height: auto; border: 1px solid #424242; border-radius: 9px; transform: none; background: repeating-linear-gradient(0deg, #171717 0 3px, #424242 3px 5px, #212121 5px 8px); background-position-y: var(--m3d-wheel-offset, 0px); transition: background-position 90ms linear; }
.m3d-test .middle.active .scroll-indicator,
.m3d-test.is-scrolling .scroll-indicator { border-color: var(--m3d-green); background-image: repeating-linear-gradient(0deg, #0d8f70 0 3px, #10a37f 3px 5px, #171717 5px 8px); box-shadow: 0 0 12px rgba(16,163,127,.35); }
.m3d-side { position: absolute; left: -5px; width: 10px; height: 35px; border: 1px solid #424242; border-radius: 5px; background: #2f2f2f; transform: translateZ(6px); box-shadow: -2px 1px 0 #171717; transition: transform 70ms ease-out; }
.m3d-side--forward { top: 39%; }
.m3d-side--back { top: 53%; }
.m3d-side.is-down { background: var(--m3d-green); transform: translateZ(3px) translateX(2px); box-shadow: 0 0 12px rgba(16,163,127,.35); }
.m3d-scene-help { margin: 0; padding: 0 18px 20px; text-align: center; color: #b4b4b4; font-size: 12px; line-height: 1.6; }
.m3d-signals { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; padding: 18px 0 0; }
.m3d-signal { display: inline-flex; align-items: center; gap: 7px; padding: 8px 11px; border: 1px solid #424242; border-radius: 8px; background: #171717; color: #b4b4b4; font-size: 11px; }
.m3d-signal::before { content: ""; width: 5px; height: 5px; background: #8e8e8e; border-radius: 50%; }
.m3d-signal.is-down { border-color: var(--m3d-green); color: #ececec; }
.m3d-signal.is-down::before { background: var(--m3d-green); box-shadow: 0 0 8px rgba(16,163,127,.4); }
.m3d-test .output-box { display: block; margin-top: 16px; padding: 14px; border: 1px solid #424242; border-radius: 10px; background: #171717; color: #ececec; box-shadow: none; text-align: center; font: 12px/1.5 ui-monospace, monospace; }
.m3d-footnote { margin: 12px 0 0; color: #8e8e8e; font-size: 11px; line-height: 1.6; text-align: center; }
@media (max-width: 575.98px) {
    .m3d-heading { gap: 10px; }
    .m3d-badge { padding: 8px 10px; font-size: 12px; }
    .m3d-controls { width: 100%; justify-content: space-between; gap: 8px; }
    .m3d-angle input { width: 64px; }
    .m3d-test .mouse-stage { height: 370px; }
    .m3d-test .mouse-shape { width: 175px; height: 265px; }
    .m3d-scene-caption { font-size: 9px; padding: 15px 14px 0; }
    .m3d-scene-caption span:last-child { letter-spacing: 0; }
    .m3d-signals { gap: 6px; }
    .m3d-signal { padding: 7px 9px; font-size: 10px; }
}
@media (prefers-reduced-motion: reduce) {
    .m3d-test .mouse-shape,
    .m3d-test .mouse-button,
    .m3d-test .scroll-indicator,
    .m3d-side { transition: none; }
}