react-play/src/common/components/BackToTop.css at cded0416facfecaaf77ccbe1ce381ca5d7770c35 · reactplay/react-play · GitHub

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.back-to-top {
  position: fixed;
  bottom: 3rem;
  right: 2rem;
  left: auto;
  transform: none;
  z-index: 98;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-brand-primary);
  border: 3px solid var(--color-neutral-10);
  color: var(--color-neutral-10);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  line-height: 1;
  padding: 0;
  box-shadow: 0 8px 24px rgba(var(--color-brand-primary-rgb), 0.35), inset 0 0 20px rgba(var(--color-neutral-10-rgb), 0.1);
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  animation: slideUpButton 0.4s ease-out;
  flex-shrink: 0;
  backdrop-filter: blur(10px);
}

/* Footer variant - inline button */
.back-to-top--footer {
  position: static;
  bottom: auto;
  right: auto;
  width: 52px;
  height: 52px;
  margin: 0 0 0 auto;
  animation: none;
}

@keyframes slideUpButton {
  from {
    opacity: 0;
    transform: translateY(40px) scale(0.8);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.back-to-top:hover {
  background: var(--color-brand-primary);
  box-shadow: 0 12px 32px rgba(var(--color-brand-primary-rgb), 0.5), inset 0 0 20px rgba(var(--color-neutral-10-rgb), 0.2);
  transform: translateY(-6px) scale(1.08);
  border-color: var(--color-brand-primary);
}

.back-to-top--footer:hover {
  transform: scale(1.08);
}

.back-to-top:active {
  transform: translateY(-2px) scale(0.96);
  box-shadow: 0 4px 16px rgba(var(--color-brand-primary-rgb), 0.4), inset 0 0 20px rgba(var(--color-neutral-10-rgb), 0.1);
}

/* Footer back-to-top container */
.footer-back-to-top {
  margin-left: auto;
  display: flex;
  align-items: center;
  padding: 0 1rem;
}

/* Arrow icon — perfectly centered inside the circle */
.back-to-top-icon {
  width: 24px;
  height: 24px;
  stroke-width: 3;
  display: block;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

/* Home Page Specific Styles */
body.home-page .back-to-top {
  background: rgba(var(--color-brand-primary-rgb), 0.95);
  box-shadow: 0 6px 20px rgba(var(--color-brand-primary-rgb), 0.4);
}

body.home-page .back-to-top:hover {
  background: var(--color-brand-primary);
  box-shadow: 0 10px 28px rgba(var(--color-brand-primary-rgb), 0.55);
}

@media screen and (max-width: 768px) {
  .back-to-top {
    bottom: 2.5rem;
    right: 1.5rem;
    width: 52px;
    height: 52px;
    font-size: 1.3rem;
  }

  .footer-back-to-top {
    padding: 0 0.5rem;
  }
}

@media screen and (max-width: 480px) {
  .back-to-top {
    bottom: 2rem;
    right: 1rem;
    width: 48px;
    height: 48px;
    font-size: 1.1rem;
    border: 2px solid var(--color-neutral-10);
  }

  .back-to-top--footer {
    width: 48px;
    height: 48px;
  }

  .footer-back-to-top {
    padding: 0;
    flex: 1;
    text-align: right;
  }
}

@media screen and (max-height: 700px) {
  .back-to-top {
    bottom: 2rem;
  }
}

@media screen and (max-height: 600px) {
  .back-to-top {
    bottom: 1.5rem;
  }
}