/* Compact Help / How-to Modal + floating ? button */

/* Visually hidden utility for screen-reader-only text (if you want to use it) */
.sr-only {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 1px, 1px);
  border: 0;
}

/* Floating ? button */
.help-fab{
  position: fixed;
  left: 16px;
  bottom: 16px;
  z-index: 700;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 2px solid #ffcc00;
  background: rgba(30,30,50,.9);
  color: #ffcc00;
  font-weight: 900;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 6px 12px rgba(0,0,0,.35);
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.help-fab:hover{ transform: translateY(-2px); box-shadow: 0 8px 16px rgba(0,0,0,.45); background: rgba(40,40,70,.95); }
.help-fab:active{ transform: translateY(0); }

.help-icon{
  font-size: 1.2rem;
  line-height: 1;
  transform: translateY(-1px);
}

/* Modal shell */
.hidden { display: none !important; }

.howto-modal{
  position: fixed;
  inset: 0;
  z-index: 1000;
}

.howto-backdrop{
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.6);
}

/* Modal card */
.howto-card{
  position: relative;
  z-index: 1001;
  width: min(92vw, 560px);
  margin: 6vh auto 0 auto;
  background: #222;
  color: #fff;
  border: 3px solid #ffcc00;
  border-radius: 12px;
  box-shadow: 0 20px 40px rgba(0,0,0,.6);
  display: flex;
  flex-direction: column;
}

.howto-header{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border-bottom: 1px solid rgba(255,204,0,.25);
}
.howto-header h3{
  font-size: 1.15rem;
  color: #ffcc00;
  margin: 0;
}
.howto-close{
  background: transparent;
  border: 2px solid #555;
  color: #ddd;
  border-radius: 8px;
  width: 36px; height: 36px;
  display: inline-flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: border-color .2s ease, background .2s ease;
}
.howto-close:hover{ border-color: #ffcc00; background: rgba(255,204,0,.08); }

.howto-body{
  padding: 14px;
  line-height: 1.6;
}
.howto-body ul{
  padding-left: 20px;
  margin: 0 0 10px 0;
}
.howto-body li{ margin: 4px 0; }

.howto-footer{
  padding: 12px 14px 14px 14px;
  border-top: 1px solid rgba(255,204,0,.25);
  display: flex; justify-content: flex-end;
}
.howto-ok{
  padding: 10px 16px;
  background: linear-gradient(to right, #2ecc71, #27ae60);
  border: none;
  border-radius: 8px;
  color: #fff;
  font-weight: 700;
  cursor: pointer;
  transition: filter .2s ease;
}
.howto-ok:hover{ filter: brightness(1.05); }

/* Avoid overlapping the Contact Us button on extra-small screens */
@media (max-width: 420px){
  .help-fab{
    left: 10px; bottom: 66px; /* lift it above the contact button area */
  }
}