.offer-filter,
#offer-results {
    --offer-filter-accent: #0f766e;
    --offer-filter-accent-dark: #115e59;
    --offer-filter-accent-soft: #f0fdfa;
    --offer-filter-border: #d7dee7;
    --offer-filter-border-strong: #aeb9c7;
    --offer-filter-text: #182230;
    --offer-filter-muted: #667085;
    --offer-filter-surface: #ffffff;
    --offer-filter-surface-soft: #f8fafc;
    --offer-filter-danger: #b42318;
}

.offer-filter {
    position: relative;
    z-index: 20;
    margin-bottom: 36px;
    padding: clamp(18px, 3vw, 28px);
    border: 1px solid var(--offer-filter-border);
    border-radius: 16px;
    background: var(--offer-filter-surface);
    box-shadow: 0 8px 30px rgba(15, 23, 42, 0.07);
    color: var(--offer-filter-text);
}

.offer-filter *,
.offer-filter *::before,
.offer-filter *::after {
    box-sizing: border-box;
}

.offer-filter__fields {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
    gap: 18px;
}

.offer-filter__field {
    position: relative;
    min-width: 0;
}

.offer-filter__field:has(.offer-filter__dropdown[open]) {
    z-index: 5;
}

.offer-filter__label {
    display: block;
    margin-bottom: 8px;
    color: #344054;
    font-size: 13px;
    font-weight: 700;
    line-height: 1.35;
    letter-spacing: 0.01em;
}

.offer-filter__dropdown {
    position: relative;
}

.offer-filter__dropdown-toggle {
    display: flex;
    width: 100%;
    min-height: 48px;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 11px 14px;
    border: 1px solid var(--offer-filter-border);
    border-radius: 10px;
    background: var(--offer-filter-surface);
    color: var(--offer-filter-muted);
    cursor: pointer;
    font-size: 15px;
    line-height: 1.35;
    list-style: none;
    transition: border-color 160ms ease, box-shadow 160ms ease,
        background-color 160ms ease, color 160ms ease;
    user-select: none;
}

.offer-filter__dropdown-toggle::-webkit-details-marker {
    display: none;
}

.offer-filter__dropdown-toggle::marker {
    display: none;
    content: "";
}

.offer-filter__dropdown-toggle:hover {
    border-color: var(--offer-filter-border-strong);
    background: var(--offer-filter-surface-soft);
}

.offer-filter__dropdown-toggle:focus-visible {
    border-color: var(--offer-filter-accent);
    outline: 0;
    box-shadow: 0 0 0 4px rgba(15, 118, 110, 0.14);
}

.offer-filter__dropdown[open] > .offer-filter__dropdown-toggle {
    border-color: var(--offer-filter-accent);
    background: var(--offer-filter-surface);
    box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.1);
}

.offer-filter__field.has-selection .offer-filter__dropdown-toggle {
    border-color: #8ed3ca;
    background: var(--offer-filter-accent-soft);
    color: var(--offer-filter-accent-dark);
    font-weight: 600;
}

.offer-filter__dropdown-value {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.offer-filter__dropdown-arrow {
    width: 9px;
    height: 9px;
    flex: 0 0 9px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: translateY(-2px) rotate(45deg);
    transition: transform 160ms ease;
}

.offer-filter__dropdown[open] .offer-filter__dropdown-arrow {
    transform: translateY(2px) rotate(225deg);
}

.offer-filter__dropdown-panel {
    position: absolute;
    z-index: 30;
    top: calc(100% + 8px);
    left: 0;
    width: max(100%, 260px);
    overflow: hidden;
    border: 1px solid var(--offer-filter-border);
    border-radius: 12px;
    background: var(--offer-filter-surface);
    box-shadow: 0 18px 44px rgba(15, 23, 42, 0.16);
}

.offer-filter__search-wrap {
    padding: 10px;
    border-bottom: 1px solid #e8edf3;
    background: var(--offer-filter-surface-soft);
}

.offer-filter__search {
    width: 100%;
    height: 40px;
    padding: 8px 11px 8px 36px;
    border: 1px solid var(--offer-filter-border);
    border-radius: 8px;
    outline: 0;
    background-color: var(--offer-filter-surface);
    background-image: radial-gradient(circle, transparent 42%, #7b8794 44%, #7b8794 55%, transparent 57%),
        linear-gradient(45deg, transparent 43%, #7b8794 45%, #7b8794 55%, transparent 57%);
    background-position: 11px 10px, 24px 25px;
    background-repeat: no-repeat;
    background-size: 14px 14px, 7px 7px;
    color: var(--offer-filter-text);
    font: inherit;
    font-size: 14px;
}

.offer-filter__search:focus {
    border-color: var(--offer-filter-accent);
    box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.1);
}

.offer-filter__options {
    max-height: 260px;
    overflow-x: hidden;
    overflow-y: auto;
    padding: 6px;
    overscroll-behavior: contain;
    scrollbar-color: #c4ccd6 transparent;
    scrollbar-width: thin;
}

.offer-filter__option {
    display: flex;
    min-height: 42px;
    align-items: center;
    gap: 10px;
    padding: 8px 9px;
    border-radius: 8px;
    color: #344054;
    cursor: pointer;
    font-size: 14px;
    line-height: 1.35;
    transition: background-color 120ms ease, color 120ms ease;
}

.offer-filter__option:hover {
    background: var(--offer-filter-surface-soft);
    color: var(--offer-filter-text);
}

.offer-filter__option:has(.offer-filter__checkbox:checked) {
    background: var(--offer-filter-accent-soft);
    color: var(--offer-filter-accent-dark);
    font-weight: 600;
}

.offer-filter__checkbox:checked + span {
    color: var(--offer-filter-accent-dark);
    font-weight: 600;
}

.offer-filter__checkbox {
    width: 18px;
    height: 18px;
    flex: 0 0 18px;
    margin: 0;
    accent-color: var(--offer-filter-accent);
    cursor: pointer;
}

.offer-filter__checkbox:focus-visible {
    outline: 3px solid rgba(15, 118, 110, 0.2);
    outline-offset: 2px;
}

.offer-filter__no-options,
.offer-filter__no-match {
    display: block;
    padding: 18px 14px;
    color: var(--offer-filter-muted);
    font-size: 14px;
    text-align: center;
}

.offer-filter__no-match[hidden],
.offer-filter__option[hidden] {
    display: none;
}

.offer-filter__actions {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid #e8edf3;
}

.offer-filter__submit,
.offer-filter__reset {
    min-height: 44px;
    border-radius: 9px;
    cursor: pointer;
    font: inherit;
    font-size: 14px;
    font-weight: 700;
    transition: background-color 150ms ease, border-color 150ms ease,
        box-shadow 150ms ease, color 150ms ease, transform 150ms ease;
}

.offer-filter__submit {
    padding: 10px 22px;
    border: 1px solid var(--offer-filter-accent);
    background: var(--offer-filter-accent);
    color: #ffffff;
    box-shadow: 0 5px 14px rgba(15, 118, 110, 0.2);
}

.offer-filter__submit:hover {
    border-color: var(--offer-filter-accent-dark);
    background: var(--offer-filter-accent-dark);
    transform: translateY(-1px);
}

.offer-filter__reset {
    padding: 10px 14px;
    border: 1px solid transparent;
    background: transparent;
    color: var(--offer-filter-muted);
}

.offer-filter__reset:hover {
    background: var(--offer-filter-surface-soft);
    color: var(--offer-filter-text);
}

.offer-filter__submit:focus-visible,
.offer-filter__reset:focus-visible {
    outline: 0;
    box-shadow: 0 0 0 4px rgba(15, 118, 110, 0.16);
}

.offer-filter.is-loading,
#offer-results.is-loading {
    opacity: 0.58;
    pointer-events: none;
}

#offer-results {
    position: relative;
    min-height: 100px;
    transition: opacity 180ms ease;
}

#offer-results.is-loading::before {
    position: absolute;
    z-index: 10;
    top: 36px;
    left: 50%;
    width: 36px;
    height: 36px;
    border: 3px solid rgba(15, 118, 110, 0.25);
    border-top-color: var(--offer-filter-accent, #0f766e);
    border-radius: 50%;
    content: "";
    transform: translateX(-50%);
    animation: offer-filter-spin 700ms linear infinite;
}

.offer-filter__error {
    width: 100%;
    margin-bottom: 20px;
    padding: 14px 18px;
    border: 1px solid #fda29b;
    border-radius: 10px;
    background: #fef3f2;
    color: var(--offer-filter-danger);
}

.offer-filter__empty {
    width: 100%;
    margin: 0;
    padding: 32px 20px;
    border: 1px dashed var(--offer-filter-border);
    border-radius: 12px;
    background: var(--offer-filter-surface-soft);
    color: var(--offer-filter-muted);
    text-align: center;
}

@keyframes offer-filter-spin {
    to {
        transform: translateX(-50%) rotate(360deg);
    }
}

@media (max-width: 991px) {
    .offer-filter__fields {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 599px) {
    .offer-filter {
        padding: 16px;
        border-radius: 12px;
    }

    .offer-filter__fields {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .offer-filter__dropdown-panel {
        position: static;
        width: 100%;
        margin-top: 7px;
        box-shadow: 0 8px 20px rgba(15, 23, 42, 0.1);
    }

    .offer-filter__actions {
        align-items: stretch;
        flex-direction: column;
    }

    .offer-filter__submit,
    .offer-filter__reset {
        width: 100%;
    }
}

@media (prefers-reduced-motion: reduce) {
    .offer-filter *,
    #offer-results {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
    }
}