.collection-filters {
    margin: 0 auto 36px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    background: var(--color-surface);
    box-shadow: var(--shadow-sm);
}

.collection-filters__summary {
    display: flex;
    min-height: 68px;
    align-items: center;
    gap: 12px;
    padding: 16px 22px;
    cursor: pointer;
    list-style: none;
}

.collection-filters__summary::-webkit-details-marker {
    display: none;
}

.collection-filters__summary:focus-visible {
    border-radius: 7px;
    outline: 2px solid var(--color-primary);
    outline-offset: -3px;
}

.collection-filters__heading {
    margin: 0;
    color: var(--color-text);
    font-family: var(--font-heading);
    font-size: var(--font-size-xl);
    font-weight: var(--fw-semibold);
}

.collection-filters__summary-hint {
    margin-left: auto;
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

.collection-filters__summary-icon {
    width: 9px;
    height: 9px;
    flex: 0 0 auto;
    border-right: 1.5px solid var(--color-text-muted);
    border-bottom: 1.5px solid var(--color-text-muted);
    transform: translateY(-2px) rotate(45deg);
    transition: transform var(--transition-fast);
}

.collection-filters[open] .collection-filters__summary-icon {
    transform: translateY(2px) rotate(225deg);
}

.collection-filters[open] .collection-filters__summary {
    border-bottom: 1px solid var(--color-border-light);
}

.collection-filters__form {
    padding: 20px 22px 22px;
}

.collection-filters__controls {
    display: grid;
    grid-template-columns: minmax(150px, 0.8fr) minmax(180px, 1fr) auto;
    align-items: end;
    gap: 18px;
}

.collection-filters__field label {
    display: block;
    margin-bottom: 8px;
    color: var(--color-text-muted);
    font-size: var(--font-size-xs);
    font-weight: var(--fw-semibold);
    line-height: 1.3;
}

.collection-filters__field input,
.collection-filters__field select {
    width: 100%;
    min-width: 0;
    height: 48px;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    background: var(--color-surface);
    color: var(--color-text);
    font: inherit;
    font-size: var(--font-size-sm);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
}

.collection-filters__field input {
    padding: 0 12px 0 0;
}

.collection-filters__field input::placeholder {
    color: #85827c;
    opacity: 1;
}

.collection-filters__price-input,
.collection-filters__select-wrap {
    position: relative;
    display: flex;
    align-items: center;
    min-width: 0;
}

.collection-filters__price-input {
    height: 48px;
    padding-left: 13px;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    background: var(--color-surface);
    color: var(--color-text-muted);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
}

.collection-filters__price-input > span {
    flex: 0 0 auto;
    padding-right: 8px;
    color: var(--color-primary);
    font-size: var(--font-size-sm);
    font-weight: var(--fw-semibold);
}

.collection-filters__price-input input {
    height: 46px;
    padding-left: 0;
    border: 0;
    border-radius: 0 6px 6px 0;
    box-shadow: none;
}

.collection-filters__price-input:hover,
.collection-filters__field select:hover {
    border-color: var(--color-accent);
}

.collection-filters__field select {
    appearance: none;
    padding: 0 40px 0 13px;
    cursor: pointer;
}

.collection-filters__select-icon {
    position: absolute;
    right: 16px;
    width: 8px;
    height: 8px;
    border-right: 1.5px solid var(--color-text-muted);
    border-bottom: 1.5px solid var(--color-text-muted);
    pointer-events: none;
    transform: translateY(-2px) rotate(45deg);
}

.collection-filters__field input:focus-visible,
.collection-filters__field select:focus-visible,
.collection-filters__price-input:focus-within {
    border-color: var(--color-primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(29, 92, 77, 0.12);
}

.collection-filters__price-input:focus-within input {
    box-shadow: none;
}

.collection-filters__actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
}

.collection-filters__actions .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0 18px;
    border: 1px solid transparent;
    border-radius: 6px;
    font-family: var(--font-body);
    font-size: var(--font-size-sm);
    font-weight: var(--fw-semibold);
    line-height: 1;
    text-decoration: none;
    white-space: nowrap;
    transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
}

.collection-filters__actions .btn--primary {
    background: var(--color-primary);
    color: var(--color-surface);
    box-shadow: 0 2px 5px rgba(21, 71, 59, 0.16);
}

.collection-filters__actions .btn--primary:hover {
    background: var(--color-primary-dark);
    box-shadow: 0 4px 10px rgba(21, 71, 59, 0.18);
}

.collection-filters__actions .btn--primary:active {
    transform: translateY(1px);
    box-shadow: none;
}

.collection-filters__actions .btn--secondary {
    border-color: var(--color-border);
    background: transparent;
    color: var(--color-text-muted);
}

.collection-filters__actions .btn--secondary:hover {
    border-color: var(--color-primary);
    background: rgba(29, 92, 77, 0.05);
    color: var(--color-primary);
}

.collection-filters__actions .btn--secondary:active {
    background: rgba(29, 92, 77, 0.1);
    transform: translateY(1px);
}

.collection-filters__actions .btn:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 3px;
}

.collection-filters__error {
    margin: 12px 0 0;
    color: var(--color-danger);
}

@media (max-width: 768px) {
    .collection-filters__summary {
        padding: 14px 18px;
    }

    .collection-filters__form {
        padding: 18px;
    }

    .collection-filters__controls {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 16px;
    }

    .collection-filters__actions {
        grid-column: 1 / -1;
    }
}

@media (max-width: 480px) {
    .collection-filters__summary {
        min-height: 60px;
        gap: 8px;
        padding: 12px 14px;
    }

    .collection-filters__summary-hint {
        font-size: var(--font-size-xs);
    }

    .collection-filters__form {
        padding: 16px 14px;
    }

    .collection-filters__controls {
        grid-template-columns: minmax(0, 1fr);
        gap: 14px;
    }

    .collection-filters__actions {
        display: grid;
        grid-template-columns: minmax(0, 1fr) auto;
        margin-top: 2px;
    }
}