/* =========================== */
/* Interview Kit */
/* =========================== */
.flip-card-center {
    width: 90%;
    max-width: 500px;
    margin: 0 auto;
}

.flip-card-wrapper {
    perspective: 1000px;
    max-width: 500px;
    margin: 3rem auto;
}

.flip-card {
    position: relative;
    width: 100%;
    min-height: 280px;
    transform-style: preserve-3d;
    transition: transform 0.6s;
    cursor: pointer;
}

.flip-card.flipped {
    transform: rotateY(180deg);
}

.flip-card-front,
.flip-card-back {
    display: flex;
    flex-direction: column;
    justify-content: center;   /* Vertical center */
    align-items: center;       /* Horizontal center */
    text-align: center;
    position: absolute;
    width: 100%;
    height: 100%;
    padding: 2rem 2.5rem;
    border-radius: 0.5rem;
    background-color: var(--base-color);
    color: var(--color-muted-grey);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.06);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    backface-visibility: hidden;
}

.flip-card-back {
    transform: rotateY(180deg);
}

.flip-card:hover .flip-card-front,
.flip-card:hover .flip-card-back {
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

@media (max-width: 768px) {
    .flip-card-center {
        touch-action: pan-y;
        -webkit-user-drag: none;
        user-select: none;
        position: relative;
    }
    .flip-card {
        transition: transform 0.3s ease;
        will-change: transform;
    }
    .flip-card-center::after {
        content: "← Swipe →";
        position: absolute;
        top: 10px;
        left: 0;
        width: 100%;
        text-align: center;
        font-size: 0.8rem;
        color: var(--color-muted-grey);
        opacity: 0.6;
    }
}

@media (max-width: 576px) {
    .flip-card {
        min-height: 380px;
    }
}