:root {
    --cols: 6;
    --rows: 4;
    --gap: 30px 10px;
    --board-tilt-x: 35deg;
    --board-tilt-z: 0;
    --flip-angle: -152deg;
    --upright-lean: -34deg;
}

body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgb(208 195 188);
    font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
    color: #eaeaf0;
    overflow: hidden;
}

.top {
    position: absolute;
    top: 0;
    width: 100%;
    height: 28px;
    background: #1b130e;
    display: flex;
    justify-items: center;
    justify-content: center;
    gap: 20px;
    padding: 5px;
    z-index: 1000;
}

.scene {
    perspective: 2000px;
    perspective-origin: 50% 50%;
    width: 100vw;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.board-wrapper {
    /* width: 100%; */
    height: 100%;
    transform-style: preserve-3d;
    transform: translateY(-20px) rotateX(var(--board-tilt-x)) rotateZ(var(--board-tilt-z));
}

.board {
    width: 100%;
    height: 100%;
    box-sizing: border-box;
    display: grid;
    grid-template-columns: repeat(var(--cols), 1fr);
    grid-template-rows: repeat(var(--rows), 1fr);
    justify-items: center;
    gap: var(--gap);
    padding: 28px;
    background: rgb(87, 80, 76);
    border-radius: 5px;
    transform-style: preserve-3d;
}

.card {
    width: fit-content;
    position: relative;
    border-radius: 5px;
    overflow: hidden;
    background: #1e1f26;
    border-top: 2px solid #ffffff;
    transform-style: preserve-3d;
    transform-origin: bottom center;
    /* slightly leaned back like physical Guess Who cards */
    transform: rotateX(var(--upright-lean));
    /* box-shadow:
        0 10px 18px rgba(0, 0, 0, 0.5),
        inset 0 1px 2px rgba(255, 255, 255, 0.12); */
    cursor: pointer;
    transition:
        transform 420ms cubic-bezier(0.2, 0.7, 0.2, 1),
        box-shadow 220ms ease,
        filter 220ms ease;
}

.card:hover:not(.eliminated) {
    /* lift + reduce lean slightly for tactile feel */
    transform: rotateX(calc(var(--upright-lean))) translateY(-20px);
    box-shadow: 0px 7px 9px rgb(0 0 0 / 18%);
}


.card.eliminated {
    filter: grayscale(1) brightness(0.3);
    opacity: 0.8;
}

.card img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    backface-visibility: hidden;
}

.card .label {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 4px 6px;
    font-size: 14px;
    color: #000000a8;
    text-align: center;
    letter-spacing: 0.2px;
    background: #ffffff38;
    font-weight: 200;
}

.card .overlay {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    top: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.2), rgba(0, 0, 0, 0));
    transition: opacity 420ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

.card:hover .overlay {
    opacity: 0.5;
}

/* subtle board depth */
.board::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    transform: translateZ(-18px);
    background: linear-gradient(135deg, #241a14, #1b130e);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.7);
}

/* small UI hint */
.hint {
    position: fixed;
    bottom: 14px;
    opacity: 0.7;
    font-size: 13px;
}

.sidepanel {
    margin-left: 50px;
    max-width: 20vh;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: #ffffffa8;
    padding: 10px;
    border-radius: 10px;
}

.picked-card {
    position: relative;
    border-radius: 5px;
    box-shadow: 0px 1px 6px #00000021;
    border-top: 1px solid white;
}

#picked-card-img {
    width: 100%;
}

#picked-card-label {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 8px 6px;
    font-size: 18px;
    color: #000000a8;
    text-align: center;
    letter-spacing: 0.2px;
    background: #ffffff38;
    font-weight: 200;
}

#new-game-btn {
    margin-top: 10px;
    padding: 10px;
    font-size: 16px;
    border-radius: 5px;
}

button:hover {
    cursor: pointer;
    background: #e0e0e0;
}

/* language toggle styling */
.lang-toggle {
    display: flex;
    border: 1px solid #ffffff33;
    border-radius: 4px;
}

.lang-btn {
    background: transparent;
    border: transparent;
    color: #fff;
    padding: 2px 6px;
    border-radius: 2px;
    font-weight: 600;
}

.lang-btn:hover {
    cursor: pointer;
    background: transparent;
    box-shadow: inset 0 0 0 1px #ffffff33;
}

.lang-btn.active {
    background: #ffffff33;
}

/* RTL adjustments when Hebrew selected */
body.rtl {
    direction: rtl;
}

body.rtl .sidepanel {
    margin-left: 0;
    margin-right: 50px;
}