.kmar-cta {
  --kmar-cta-color: #123f65;
  position: fixed;
  bottom: calc(24px + env(safe-area-inset-bottom, 0px));
  z-index: 99990;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  font-family: Arial, sans-serif;
}
.kmar-cta--right { right: calc(24px + env(safe-area-inset-right, 0px)); }
.kmar-cta--left { left: calc(24px + env(safe-area-inset-left, 0px)); }
.kmar-cta.kmar-cta--tawk-open { visibility: hidden; pointer-events: none; }
.kmar-cta .kmar-cta__links { display: flex; flex-direction: column; gap: 16px; }
.kmar-cta .kmar-cta__links[hidden] { display: none !important; }
.kmar-cta .kmar-cta__button {
  box-sizing: border-box;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  min-width: 0;
  padding: 0;
  margin: 0;
  border: 0;
  border-radius: 50%;
  background: var(--kmar-cta-color);
  color: var(--kmar-cta-icon-color, #fff);
  text-decoration: none;
  cursor: pointer;
  box-shadow: 0 3px 12px #0002;
  transition: transform .15s ease;
}
.kmar-cta .kmar-cta__button:hover { transform: translateY(-2px); color: var(--kmar-cta-icon-color, #fff); }
.kmar-cta .kmar-cta__button:focus-visible { outline: 3px solid #fff; outline-offset: 3px; box-shadow: 0 0 0 6px #123f65; }
.kmar-cta .kmar-cta__toggle { width: 76px; height: 76px; }
.kmar-cta .kmar-cta__toggle > svg { width: 40px; height: 40px; }
.kmar-cta__zalo { font-size: 18px; font-weight: 700; letter-spacing: -.8px; }
.kmar-cta__label {
  position: absolute;
  right: calc(100% + 12px);
  padding: 8px 12px;
  border-radius: 6px;
  background: #182633;
  color: #fff;
  font-size: 14px;
  line-height: 1.4;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
}
.kmar-cta--left .kmar-cta__label { right: auto; left: calc(100% + 12px); }
.kmar-cta__button:hover .kmar-cta__label,
.kmar-cta__button:focus-visible .kmar-cta__label { opacity: 1; }
.kmar-cta__toggle[aria-expanded="true"] .kmar-cta__plus,
.kmar-cta__toggle[aria-expanded="false"] .kmar-cta__cross { display: none; }
.kmar-cta__status:empty { display: none; }
.kmar-cta__status {
  position: absolute;
  bottom: 100%;
  right: 0;
  width: 220px;
  padding: 10px;
  background: #182633;
  color: #fff;
  border-radius: 6px;
  font-size: 14px;
}
.kmar-cta--left .kmar-cta__status { right: auto; left: 0; }
.zalo-chat-widget.kmar-cta-zalo-docked {
  visibility: visible !important;
  pointer-events: auto !important;
  position: fixed !important;
  left: var(--kmar-zalo-dock-left) !important;
  top: var(--kmar-zalo-dock-top) !important;
  right: auto !important;
  bottom: auto !important;
  width: var(--kmar-zalo-dock-size, 64px) !important;
  height: var(--kmar-zalo-dock-size, 64px) !important;
  background: transparent !important;
  border: 0 !important;
  box-shadow: none !important;
}
.zalo-chat-widget.kmar-cta-zalo-docked iframe {
  width: 60px !important;
  height: 60px !important;
  min-width: 0 !important;
  min-height: 0 !important;
  visibility: visible !important;
  opacity: 0 !important;
  transform: scale(var(--kmar-zalo-dock-scale, 1)) !important;
  transform-origin: top left !important;
  top: 0 !important;
  left: 0 !important;
  right: auto !important;
  bottom: auto !important;
}
.zalo-chat-widget.kmar-cta-zalo-open {
  visibility: visible !important;
  pointer-events: auto !important;
  top: auto !important;
  bottom: var(--kmar-zalo-bottom, 112px) !important;
  right: var(--kmar-zalo-side, 24px) !important;
  left: auto !important;
  max-width: calc(100vw - 24px) !important;
  max-height: var(--kmar-zalo-max-height, calc(100vh - 124px)) !important;
  width: min(var(--kmar-zalo-width, 350px), calc(100vw - 24px)) !important;
  height: min(var(--kmar-zalo-height, 420px), var(--kmar-zalo-max-height, calc(100vh - 124px))) !important;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 8px 32px #0003;
  overflow: hidden;
}
.zalo-chat-widget.kmar-cta-zalo-open.kmar-cta-zalo-left {
  left: var(--kmar-zalo-side, 24px) !important;
  right: auto !important;
}
.zalo-chat-widget.kmar-cta-zalo-open iframe {
  width: 100% !important;
  height: 100% !important;
  min-width: 0 !important;
  min-height: 0 !important;
  top: 0 !important;
  left: 0 !important;
  right: auto !important;
  bottom: auto !important;
  max-width: calc(100vw - 24px) !important;
  max-height: var(--kmar-zalo-max-height, calc(100vh - 124px)) !important;
}
@media (max-width: 767px) {
  .kmar-cta { bottom: calc(16px + env(safe-area-inset-bottom, 0px)); gap: 10px; }
  .kmar-cta--right { right: calc(16px + env(safe-area-inset-right, 0px)); }
  .kmar-cta--left { left: calc(16px + env(safe-area-inset-left, 0px)); }
  .kmar-cta .kmar-cta__links { gap: 10px; }
  .kmar-cta .kmar-cta__button { width: 52px; height: 52px; }
  .kmar-cta .kmar-cta__toggle { width: 60px; height: 60px; }
  .kmar-cta .kmar-cta__toggle > svg { width: 32px; height: 32px; }
  .kmar-cta--desktop { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  .kmar-cta .kmar-cta__button { transition: none; }
}
@media print { .kmar-cta { display: none; } }