/* Logo FAB with scroll progress ring — inspired by hu.edu.so */
.hsf-floating-actions {
  position: fixed;
  right: max(18px, env(safe-area-inset-right, 0px));
  bottom: max(22px, env(safe-area-inset-bottom, 0px));
  z-index: 980;
  pointer-events: none;
}

.hsf-scroll-logo {
  pointer-events: auto;
  position: relative;
  width: 62px;
  height: 62px;
  border: none;
  border-radius: 50%;
  background: transparent;
  padding: 0;
  cursor: pointer;
  box-shadow: 0 6px 20px rgba(15, 23, 42, 0.14);
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.hsf-scroll-logo:hover {
  transform: translateY(-3px) scale(1.04);
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.18);
}

.hsf-scroll-logo:active {
  transform: scale(0.97);
}

.hsf-scroll-ring {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
  pointer-events: none;
}

.hsf-scroll-ring__track,
.hsf-scroll-ring__progress {
  fill: none;
  stroke-width: 3.5;
}

.hsf-scroll-ring__track {
  stroke: #d1d5db;
}

.hsf-scroll-ring__progress {
  stroke: var(--primary-green, #2c7a4d);
  stroke-linecap: round;
  transition: stroke-dashoffset 0.08s linear;
}

.hsf-scroll-logo__inner {
  position: absolute;
  inset: 7px;
  border-radius: 50%;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hsf-scroll-logo__inner img {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  object-fit: contain;
  display: block;
}

@media (max-width: 640px) {
  .hsf-scroll-logo {
    width: 56px;
    height: 56px;
  }

  .hsf-scroll-logo__inner {
    inset: 6px;
  }

  .hsf-scroll-logo__inner img {
    width: 30px;
    height: 30px;
  }

  .hsf-floating-actions {
    right: max(14px, env(safe-area-inset-right, 0px));
    bottom: max(18px, env(safe-area-inset-bottom, 0px));
  }
}

@media print {
  .hsf-floating-actions {
    display: none !important;
  }
}