/* ============================================================
   Social Float Bar Pro — Frontend CSS v1.3.0
   New: Group CTA support
   ============================================================ */


/* ── Button list ── */
.sfb-buttons {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* ── Base button ── */
.sfb-btn {
  position: relative;
  width: var(--sfb-btn-size, 48px);
  height: var(--sfb-btn-size, 48px);
  border-radius: 50%;
  background: var(--btn-color, #333);
  color: #fff;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  overflow: visible;
}
.sfb-btn:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
}
.sfb-btn:hover .sfb-label {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
  pointer-events: auto;
}

/* ── Icon ── */
.sfb-icon {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  width: calc(var(--sfb-btn-size, 48px) * 0.46);
  height: calc(var(--sfb-btn-size, 48px) * 0.46);
}
.sfb-icon svg,
.sfb-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}
.sfb-icon {
  animation: cta-icon-shake 0.8s ease-in-out infinite;
  transform-origin: center center;
}
.sfb-icon-text {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: calc(var(--sfb-btn-size, 48px) * 0.46);
  line-height: 1;
}

/* ── Hover label ── */
.sfb-label {
  position: absolute;
  right: calc(100% + var(--sfb-label-gap, 12px));
  top: 50%;
  transform: translateY(-50%) translateX(6px);
  background: var(--btn-color, #333);
  color: #fff;
  font-size: var(--sfb-label-font, 12px);
  font-weight: 600;
  padding: var(--sfb-label-pad-y, 4px) var(--sfb-label-pad-x, 10px);
  border-radius: 20px;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.25s ease, transform 0.25s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}
.sfb-pos-left .sfb-label {
  right: auto;
  left: calc(100% + var(--sfb-label-gap, 12px));
  transform: translateY(-50%) translateX(-6px);
}
.sfb-btn:hover .sfb-label {
  transform: translateY(-50%) translateX(0);
}

/* ── Outer pulse + icon shake only ── */
.sfb-ring {
  display: none !important;
}
.sfb-btn::before {
  content: "";
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  background: inherit;
  opacity: 0.35;
  z-index: -1;
  animation: cta-icon-pulse 1.6s ease-out infinite;
  pointer-events: none;
}
@keyframes cta-icon-pulse {
  0% { transform: scale(0.9); opacity: 0.35; }
  100% { transform: scale(1.35); opacity: 0; }
}
@keyframes cta-icon-shake {
  0%, 100% { transform: rotate(0deg); }
  20% { transform: rotate(-8deg); }
  40% { transform: rotate(8deg); }
  60% { transform: rotate(-6deg); }
  80% { transform: rotate(6deg); }
}

/* ============================================================
   GROUP CTA
   ============================================================ */
.sfb-group {
  position: relative;
  width: var(--sfb-btn-size, 48px);
  height: var(--sfb-btn-size, 48px);
}

.sfb-group-icon-close {
  display: none;
}
.sfb-group.is-open .sfb-group-icon-open {
  display: none;
}
.sfb-group.is-open .sfb-group-icon-close {
  display: flex;
}

.sfb-btn-group {
  transition: transform 0.24s ease, box-shadow 0.24s ease;
}
.sfb-group.is-open .sfb-btn-group {
  transform: scale(1.06) rotate(45deg);
}

.sfb-group-children {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
}

.sfb-group-child {
  position: absolute;
  top: 50%;
  left: 40%;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, -50%) scale(0.55);
  transition: opacity 0.26s ease, transform 0.26s cubic-bezier(0.2, 0.8, 0.2, 1);
  will-change: transform, opacity;
}

.sfb-group-child {
  --fan-step: calc(var(--sfb-btn-size, 39px) + 25px);
  --tx: 0px;
  --ty: 0px;
}

/* Cánh cung ôm quanh nút CTA chính */
.sfb-pos-right .sfb-group-child:nth-child(1) {
  --tx: calc(var(--fan-step) * -0.8);
  --ty: calc(var(--fan-step) * 0.5);
}

.sfb-pos-right .sfb-group-child:nth-child(2) {
  --tx: calc(var(--fan-step) * -1.2);
  --ty: calc(var(--fan-step) * -0.3);
}

.sfb-pos-right .sfb-group-child:nth-child(3) {
  --tx: calc(var(--fan-step) * -0.6);
  --ty: calc(var(--fan-step) * -1);
}

.sfb-pos-right .sfb-group-child:nth-child(4) {
  --tx: calc(var(--fan-step) * 0.34);
  --ty: calc(var(--fan-step) * -1.52);
}
.sfb-pos-right .sfb-group-child:nth-child(5) {
  --tx: calc(var(--fan-step) * 0.82);
  --ty: calc(var(--fan-step) * -0.88);
}
.sfb-pos-right .sfb-group-child:nth-child(6) {
  --tx: calc(var(--fan-step) * 0.92);
  --ty: calc(var(--fan-step) * -0.1);
}

.sfb-pos-left .sfb-group-child:nth-child(1) {
  --tx: calc(var(--fan-step) * 0.92);
  --ty: calc(var(--fan-step) * -0.1);
}
.sfb-pos-left .sfb-group-child:nth-child(2) {
  --tx: calc(var(--fan-step) * 0.82);
  --ty: calc(var(--fan-step) * -0.88);
}
.sfb-pos-left .sfb-group-child:nth-child(3) {
  --tx: calc(var(--fan-step) * 0.34);
  --ty: calc(var(--fan-step) * -1.52);
}
.sfb-pos-left .sfb-group-child:nth-child(4) {
  --tx: calc(var(--fan-step) * -0.34);
  --ty: calc(var(--fan-step) * -1.52);
}
.sfb-pos-left .sfb-group-child:nth-child(5) {
  --tx: calc(var(--fan-step) * -0.82);
  --ty: calc(var(--fan-step) * -0.88);
}
.sfb-pos-left .sfb-group-child:nth-child(6) {
  --tx: calc(var(--fan-step) * -0.92);
  --ty: calc(var(--fan-step) * -0.1);
}

.sfb-group.is-open .sfb-group-child {
  opacity: 1;
  pointer-events: auto;
  transform: translate(calc(-50% + var(--tx)), calc(-50% + var(--ty))) scale(1);
}
.sfb-group.is-open .sfb-group-child:nth-child(1) {
  transition-delay: 0.03s;
}
.sfb-group.is-open .sfb-group-child:nth-child(2) {
  transition-delay: 0.06s;
}
.sfb-group.is-open .sfb-group-child:nth-child(3) {
  transition-delay: 0.09s;
}
.sfb-group.is-open .sfb-group-child:nth-child(4) {
  transition-delay: 0.12s;
}
.sfb-group.is-open .sfb-group-child:nth-child(5) {
  transition-delay: 0.15s;
}
.sfb-group.is-open .sfb-group-child:nth-child(6) {
  transition-delay: 0.18s;
}

.sfb-group-child .sfb-label {
  pointer-events: none;
}
.sfb-group-child:hover .sfb-label {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
  pointer-events: auto;
}
/* ── Scroll hide ── */
#sfb-wrap {
  transition: opacity 0.35s ease;
}
#sfb-wrap.sfb-hidden {
  opacity: 0;
  pointer-events: none;
}

/* ── Mobile ── */
@media (max-width: 600px) {
  .sfb-label {
    display: none;
  }
}



/* ===== SFB v1.0.10: clean frontend, synced color, clean side pill ===== */
#sfb-wrap,
#sfb-wrap .sfb-buttons,
#sfb-wrap .sfb-group,
#sfb-wrap .sfb-group-children {
  overflow: visible !important;
}
#sfb-wrap .sfb-buttons {
  gap: 18px;
}
#sfb-wrap .sfb-btn {
  --btn-color: var(--btn-color, #333);
  background: var(--btn-color) !important;
  color: #fff !important;
  position: relative !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  border-radius: 999px !important;
  border: 0 !important;
  outline: 0 !important;
  box-shadow: 0 10px 24px rgba(15,23,42,.22) !important;
  overflow: visible !important;
  isolation: isolate;
  transform: none !important;
  animation: none !important;
  transition: transform .2s ease, box-shadow .2s ease !important;
}
#sfb-wrap .sfb-btn:hover {
  box-shadow: 0 14px 28px rgba(15,23,42,.24) !important;
}
#sfb-wrap .sfb-ring { display: none !important; }
#sfb-wrap.sfb-anim-off .sfb-btn::before { display: none !important; }
#sfb-wrap .sfb-icon,
#sfb-wrap .sfb-group-icon-open,
#sfb-wrap .sfb-group-icon-close {
  position: relative !important;
  z-index: 3 !important;
  width: calc(var(--sfb-btn-size, 48px) * .5) !important;
  height: calc(var(--sfb-btn-size, 48px) * .5) !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  line-height: 1 !important;
  overflow: visible !important;
  animation: sfb-icon-shake .85s ease-in-out infinite;
  transform-origin: center center;
}
#sfb-wrap.sfb-anim-off .sfb-icon,
#sfb-wrap.sfb-anim-off .sfb-group-icon-open,
#sfb-wrap.sfb-anim-off .sfb-group-icon-close {
  animation: none !important;
}
#sfb-wrap .sfb-icon svg,
#sfb-wrap .sfb-icon img,
#sfb-wrap .sfb-icon-image,
#sfb-wrap .sfb-group-icon-open svg,
#sfb-wrap .sfb-group-icon-open img,
#sfb-wrap .sfb-group-icon-close svg,
#sfb-wrap .sfb-group-icon-close img {
  width: 100% !important;
  height: 100% !important;
  min-width: 0 !important;
  min-height: 0 !important;
  max-width: 100% !important;
  max-height: 100% !important;
  object-fit: contain !important;
  display: block !important;
  border: 0 !important;
  box-shadow: none !important;
  filter: none !important;
  transform: none !important;
}

/* Default hover label when side pill is off */

#sfb-wrap.sfb-side-label-on .sfb-btn:not(.sfb-group-child) {
    box-shadow: 0 10px 24px rgba(15, 23, 42, .22) !important;
}

#sfb-wrap.sfb-side-label-off .sfb-label {
  position: absolute;
  top: 50%;
  transform: translateY(-50%) translateX(8px);
  right: calc(100% + var(--sfb-label-gap, 12px));
  left: auto;
  background: var(--btn-color) !important;
  color: #fff;
  font-size: var(--sfb-label-font, 12px);
  font-weight: 700;
  padding: var(--sfb-label-pad-y, 5px) var(--sfb-label-pad-x, 12px);
  border-radius: 999px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  box-shadow: 0 8px 18px rgba(15,23,42,.18);
  transition: opacity .2s ease, transform .2s ease;
  z-index: 10;
}
#sfb-wrap.sfb-side-label-off.sfb-pos-left .sfb-label {
  left: calc(100% + var(--sfb-label-gap, 12px));
  right: auto;
  transform: translateY(-50%) translateX(-8px);
}
#sfb-wrap.sfb-side-label-off .sfb-btn:hover .sfb-label {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}

/* Side information pill: đồng màu với từng button và liền khối */
#sfb-wrap.sfb-side-label-on .sfb-btn:not(.sfb-group-child) .sfb-label {
  display: inline-flex !important;
  align-items: center;
  min-width: max(96px, calc(var(--sfb-btn-size, 48px) * 1.95));
  min-height: calc(var(--sfb-btn-size, 48px) * .76);
  background: var(--btn-color) !important;
  color: #fff !important;
  font-size: var(--sfb-label-font, 13px);
  font-weight: 800;
  line-height: 1;
  white-space: nowrap;
  position: absolute;
  top: 50%;
  transform: translateY(-50%) !important;
  opacity: 1 !important;
  pointer-events: auto;
  z-index: -1;
  transition: none !important;
      box-shadow: none !important;
}
#sfb-wrap.sfb-pos-left.sfb-side-label-on .sfb-btn:not(.sfb-group-child) .sfb-label {
    right: auto;
    justify-content: flex-start;
    padding-right: 22px;
    border-radius: 0 999px 999px 0;
    left: calc(var(--sfb-btn-size, 48px) * .38) !important;
    padding-left: calc(var(--sfb-btn-size, 48px) * .72) !important;
}
#sfb-wrap.sfb-pos-right.sfb-side-label-on .sfb-btn:not(.sfb-group-child) .sfb-label {
  left: auto;
  justify-content: flex-end;
  padding-left: 28px;
  border-radius: 999px 0 0 999px;
right: calc(var(--sfb-btn-size, 48px) * .38) !important;
padding-right: calc(var(--sfb-btn-size, 48px) * .72) !important;
}
#sfb-wrap.sfb-side-label-on .sfb-group-child .sfb-label {
  display: none !important;
}

@keyframes sfb-pulse {
  0% { transform: scale(.82); opacity: .28; }
  100% { transform: scale(1.55); opacity: 0; }
}
@keyframes sfb-icon-shake {
  0%, 100% { transform: rotate(0deg); }
  20% { transform: rotate(-8deg); }
  40% { transform: rotate(8deg); }
  60% { transform: rotate(-5deg); }
  80% { transform: rotate(5deg); }
}
@media (max-width: 600px) {
  #sfb-wrap.sfb-side-label-off .sfb-label { display: none !important; }
  #sfb-wrap.sfb-side-label-on .sfb-btn:not(.sfb-group-child) .sfb-label {
    min-width: max(82px, calc(var(--sfb-btn-size, 48px) * 1.65));
    font-size: max(11px, calc(var(--sfb-label-font, 12px) - 1px));
  }
}