body.is-overlay-open {
  position: fixed;
  width: 100%;
}

.c-filters {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.c-filter__trigger {
  width: 100%;
  height: 48px;

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

  padding: 0 12px;
  border-radius: var(--radius-ml);

  background: var(--color-bg);
  border: 1px solid var(--color-border);

  font-size: 0.9rem;
  color: var(--color-text);
  text-align: left;

  user-select: none;
}

.c-filter__trigger::after {
  content: "";
  width: 6px;
  height: 6px;

  border-right: 2px solid var(--color-muted);
  border-bottom: 2px solid var(--color-muted);

  transform: rotate(45deg);
  margin-left: 8px;
}

.c-filter__trigger:focus-visible,
.c-filter__options button:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

@media (hover: none) {
  .c-filter__trigger:active {
    transform: scale(0.97);
  }
}

@media (min-width: 768px) {
  .c-filters {
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    justify-content: start;
  }
}

.c-filter {
  position: relative;
}

.c-filter__panel {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;

  background: var(--color-bg);
  border-radius: var(--radius-l) var(--radius-l) 0 0;
  box-shadow: 0 -20px 40px rgba(0, 0, 0, 0.15);

  padding: 16px;

  z-index: 90;

  opacity: 0;
  transform: translateY(-4px);
  transition: opacity 0.15s ease, transform 0.15s ease;
}

.c-filter[data-open="true"] .c-filter__panel {
  opacity: 1;
  transform: none;
}

.c-filter__options {
  list-style: none;
  padding: 0;
  margin: 0;

  display: grid;
  gap: 8px;
}

.c-filter__options button {
  width: 100%;
  min-height: 48px;
  padding: 10px 12px;

  border-radius: var(--radius-s);
  border: 1px solid var(--color-border);
  background: var(--color-bg);

  text-align: left;
  font-size: 0.95rem;
}

.c-filter-overlay {
  position: fixed;
  inset: 0;
  background: var(--color-scrim);
  z-index: 80;
}

@media (hover: none) {
  .c-filter__options button:active {
    background: var(--surface-2);
  }
}

@media (min-width: 768px) {
  .c-filter__panel {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: auto;
    bottom: auto;

    width: 100%;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-m);

    transform: translateY(-6px);
    opacity: 0;
    pointer-events: none;
  }

  .c-filter[data-open="true"] .c-filter__panel {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .c-filter-overlay {
    display: none;
  }
}

/* Активная кнопка фильтра */
.c-filter.is-active .c-filter__trigger {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--surface-2);
}

/* Индикатор активного состояния (точка) */
.c-filter.is-active .c-filter__trigger::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: var(--radius-round);
  background: var(--color-primary);
  margin-right: 8px;
}

.c-filter__options button.is-selected {
  border-color: var(--color-primary);
  background: var(--surface-2);
  color: var(--color-primary);
}