:root {
  --modal-space: 40px;
  --modal-height: calc(100vh - calc(var(--modal-space) * 2));
}

.filter-modal-overlay {
  visibility: hidden;
  opacity: 0;

  display: flex;
  justify-content: center;
  align-items: center;

  position: fixed;
  inset: 0;
  z-index: 1000;

  background: rgba(0, 0, 0, 0.5);
  cursor: default;
}

.modal--active {
  visibility: visible;
  opacity: 1;
}

.filter-wrapper {
  display: flex;
  flex-direction: column;
  height: var(--modal-height);
  position: relative;

  width: 100%;
  min-width: 320px;
  max-width: 1100px;
  padding: 32px;

  background-color: #ffffff;
  border-radius: 20px;
  box-shadow: 0 4px 12px rgba(78, 127, 255, 0.08);
  transition: box-shadow 0.3s ease, background-color 0.3s ease;

  background-image: url("https://aiijc.com/static/dist/aiijc/images/herobox-background.svg");
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center;
}

.filter-modal-close {
  position: absolute;
  right: 15px;
  top: 15px;
  color: gray;
  cursor: pointer;
}

.filter-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 50px;
  padding: 0 20px 24px 20px;

  margin-right: -32px;
  padding-right: 52px;

  flex: 1 1 auto;
  overflow-y: auto;
}

.filter-grid::-webkit-scrollbar {
  width: 6px;
  margin: 20px 0;
}
.filter-grid::-webkit-scrollbar-track {
  margin: 87px 0 23px 0; /* reduce scrollbar height */
}
.filter-grid::-webkit-scrollbar-thumb {
  background-color: rgba(0, 0, 0, 0.2);
  border-radius: 6px;
}

.filter-column {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.filter-column h4 {
  text-align: center;

  height: 40px;
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.05px;
  margin: 15px 0 20px 0;
  color: #262626;
}

/* ###### popup for every filter-item ############# */
.filter-item {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  position: relative;

  padding: 0 15px;
  height: 40px;
  border-radius: 8px;

  font-size: 16px;
  cursor: pointer;

  color: #000000;
  font-weight: 500;
  border: 2px solid transparent;
  background-color: #f2f4f6;
  box-shadow: 0px -1px 4px rgba(0, 0, 0, 0.15);
}

.filter-item:hover,
.filter-item.active {
  border-color: #bae6fd;
  background-color: #f0f9ff;
  box-shadow: 0px -1px 4px #4e7fff;
}

.filter-item.active {
  border-bottom: 2px solid transparent;
  border-bottom-right-radius: 0;
  border-bottom-left-radius: 0;
}

.filter-item.active .popup--filter-item {
  border-top: 2px solid transparent;
  border-top-right-radius: 0;
  border-top-left-radius: 0;
}

.popup--filter-item {
  position: absolute;
  width: calc(100% + 3.62px);
  top: 105%;
  left: -1.81px;

  border-radius: 8px;
  border: 2px solid #bae6fd;
  background: #f0f9ff;
  box-shadow: 0px 1px 4px #4e7fff;
}

/* ########################################### */

.filter-footer {
  display: flex;
  justify-content: space-between;
  flex-shrink: 0;
  padding: 24px 20px 0 20px;
}

.filter-footer button {
  padding: 20px 32px;
  border-radius: 70px;
  font: 500 17px / 18px "SBSans", sans-serif;
  cursor: pointer;
}

.filter-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 20px 40px;

  cursor: pointer;
  color: #4e7fff;
  background-color: #fff;
  border-radius: 8px;
  font: 600 20px / 20px "SBSans", sans-serif;
  box-shadow: 0 0 8px 0 var(--color-component-shadow-opacity-8, rgba(0, 0, 0, 0.08)), 0 2px 12px 0 var(--color-component-shadow-opacity-8, rgba(0, 0, 0, 0.08));
}

.filter-footer .reset button {
  background-color: #f2f4f6;
  color: #262626;
  border: 1px solid #0000;
  transition: background-color 0.17s ease-out, border-color 0.17s ease-out;
}

.filter-footer .show button {
  width: 100%;
  min-width: 333px;

  background-color: #4e7fff;
  color: #fff;
  border: 1px solid transparent;
  box-shadow: 0 4px 10px rgba(78, 127, 255, 0.3), /* soft glow */ 0 2px 4px rgba(0, 0, 0, 0.15); /* depth */
  transition: color 0.17s ease-out;
  letter-spacing: -0.28px;
}

.filter-footer .reset button:hover {
  background-color: #e0e4e9;
}

.filter-footer .show button:hover {
  background-color: #4e79eb;
}

.icon-info {
  width: 16px;
  height: 16px;
  color: #4e79eb;
  flex-shrink: 0; /* не сжимается */
  margin-left: 8px;
}

.popup--filter-item .popup__wrapper {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 15px 0px 15px;
  cursor: pointer;
}

.popup--filter-item .popup__options {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.popup--filter-item .popup__button {
  display: flex;
  justify-content: center;
  padding: 10px 0px;
  margin: 0;
  background-color: #ffffff;
  border: 1px solid #bae6fd;
  border-radius: 8px;
  font: 400 15px "SBSans", sans-serif;
  cursor: pointer;
}

.popup--filter-item .popup__button:hover {
  box-shadow: 0px 1px 5px rgba(0, 0, 0, 0.15);
}

.popup--filter-item .popup__info {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: 7px;
  padding-bottom: 12px;
  padding-right: 16px;
  margin: 0px;

  line-height: 1.4;
  font-size: 0.8em;
  font-weight: 100;
  color: #888;
}

.popup--filter-item .popup__info p {
  opacity: 82%;
}

.popup__info svg {
  flex-shrink: 0;
  color: #aaa;
}

/* marked filter-items and choosed answers*/
.filter-item.active::after {
  display: none;
}

.popup--filter-item .popup__button.selected {
  background-color: #4e7fff;
  color: #ffffff;
  border-color: #4e7fff;
}

.filter-item.is-selected::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 12px;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  mask-size: cover;
  background-color: #4e7fff;
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23000' d='M9 16.17l-4.17-4.17L3.41 13l5.59 5.59L20.59 7.41L19.17 6z'/%3E%3C/svg%3E");
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23000' d='M9 16.17l-4.17-4.17L3.41 13l5.59 5.59L20.59 7.41L19.17 6z'/%3E%3C/svg%3E");
}