.speed-sim-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    align-content: flex-start;
}

@media(min-width:529px){
	.speed-sim-controls {
	    gap: 1em;
	}
}

.speed-sim-controls p{
    margin: 5px 0 0;
}

button#speed-sim-reset {
    cursor: pointer;
}

.speed-sim-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  max-width: 1100px;
  margin: 2rem auto;
}

/* Side-by-side on tablet */
@media (min-width: 768px) {
  .speed-sim-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Four across on larger desktop (like your earlier version) */
@media (min-width: 1024px) {
  .speed-sim-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.speed-sim-meter {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* Circle sizing */
.speed-sim-meter svg {
  width: 140px;
  height: 140px;
  transform: rotate(-90deg);
}

/* Larger on desktop */
@media (min-width: 1024px) {
  .speed-sim-meter svg {
    width: 170px;
    height: 170px;
  }
}

/* Smaller on mobile */
@media (max-width: 640px) {
  .speed-sim-meter svg {
    width: 110px;
    height: 110px;
  }
}

/* BACKGROUND RING */
.speed-sim-bg {
  stroke: #e5e7eb;
  stroke-width: 10;
}

/* FOREGROUND RING (animated) */
.speed-sim-fg {
  stroke: var(--tme-color-primary-2);
  stroke-width: 10;
  stroke-linecap: round;
  stroke-dasharray: 389.56;
  stroke-dashoffset: 389.56;
}


/* Center file size */
.speed-sim-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  pointer-events: none;
}

.speed-sim-filesize {
  display: block;
  font-weight: 700;
  font-size: 1rem;
  color: #0f172a;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.speed-sim-filesize-label {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  color: #64748b;
  margin-top: 2px;
  opacity: 0;
  transition: opacity 0.4s ease;
}

/* Fade in while animating */
.speed-sim-meter.animating .speed-sim-filesize,
.speed-sim-meter.animating .speed-sim-filesize-label {
  opacity: 1;
}

/* Label + loading dot */
.speed-sim-label {
  margin-top: 0.5rem;
  text-align: center;
}

.speed-sim-dot {
  width: 6px;
  height: 6px;
  background: var(--tme-color-primary-2);
  border-radius: 50%;
  margin: 6px auto 0;
  opacity: 0;
}

/* Pulsing dot while animating */
.speed-sim-meter.animating .speed-sim-dot {
  opacity: 1;
  animation: pulse 1s infinite;
}

@keyframes pulse {
  0% { transform: scale(1); opacity: 0.4; }
  50% { transform: scale(1.6); opacity: 1; }
  100% { transform: scale(1); opacity: 0.4; }
}

/* Better vertical centering on very small screens */
@media (max-width: 420px) {
  .speed-sim-center {
    transform: translate(-50%, -46%);
  }

  .speed-sim-filesize {
    font-size: 0.9rem;
  }

  .speed-sim-filesize-label {
    font-size: 0.45rem;
  }
}