/* Customer Service Modal */
#customer-service-modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  z-index: 9999;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s, visibility 0.25s;
}
#customer-service-modal.open {
  opacity: 1;
  visibility: visible;
}
.csm-window {
  width: 100%;
  max-width: 100%;
  background: #fff;
  border-radius: 0;
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
  overflow: hidden;
  transform: translateY(-100%);
  transition: transform 0.3s ease;
}
#customer-service-modal.open .csm-window {
  transform: translateY(0);
}
.csm-header {
  background: #363636;
  color: #fff;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.csm-title {
  font-size: 1rem;
  font-weight: 600;
}
.csm-controls {
  display: flex;
  align-items: center;
}
.csm-close-btn {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
  font-size: 20px;
  font-weight: 300;
  line-height: 1;
  font-family: inherit;
}
.csm-close-btn:hover {
  opacity: 0.9;
}
.csm-close-btn svg {
  width: 20px;
  height: 20px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2.5;
  stroke-linecap: round;
}
.csm-body {
  padding: 20px;
  max-height: calc(100vh - 80px);
  overflow-y: auto;
}
.csm-section-title {
  font-size: 14px;
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 12px;
}
.csm-lang-list {
  list-style: none;
}
.csm-lang-item {
  display: block;
  width: 100%;
  padding: 14px 0;
  font-size: 15px;
  color: #1a6bc9;
  background: none;
  border: none;
  border-bottom: 1px solid #eee;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
}
.csm-lang-item:last-child {
  border-bottom: none;
}
.csm-lang-item:hover {
  color: #0d5ab8;
}