/**
 * Unified Karinja filter box — sidebar + mobile drawer
 */

.k-filter-box {
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 20px;
    position: sticky;
    top: 88px;
}

.k-filter-box__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.k-filter-box__header h3 {
    margin: 0;
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--text-color);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.k-filter-box__header h3 i {
    color: var(--primary-color);
    font-size: 0.875rem;
}

.k-filter-box__clear {
    background: none;
    border: none;
    color: var(--primary-color);
    font-weight: 600;
    font-size: var(--font-size-sm);
    cursor: pointer;
    font-family: inherit;
    padding: 0;
}

.k-filter-section {
    margin-bottom: 18px;
}

.k-filter-section > label {
    display: block;
    font-weight: 700;
    font-size: var(--font-size-sm);
    color: var(--text-color);
    margin-bottom: 8px;
}

.k-filter-check {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 0;
}

.k-filter-check input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--primary-color);
    flex-shrink: 0;
}

.k-filter-check label {
    margin: 0;
    font-size: var(--font-size-sm);
    color: var(--text-light);
    cursor: pointer;
    font-weight: 500;
}

.k-filter-range {
    display: flex;
    align-items: center;
    gap: 8px;
}

.k-filter-range input {
    flex: 1;
    min-width: 0;
    padding: 10px 12px;
    border: 1px solid var(--input-border);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: var(--font-size-sm);
    background: #fff;
    color: var(--text-color);
}

.k-filter-range input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--input-focus-ring);
}

.k-filter-range span {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    flex-shrink: 0;
}

.k-filter-apply {
    width: 100%;
    margin-top: 10px;
    padding: 11px 14px;
    background: var(--primary-color);
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: var(--font-size-sm);
    font-family: inherit;
    cursor: pointer;
}

.k-filter-apply:hover {
    background: var(--primary-dark);
}

.k-filter-scroll {
    max-height: 180px;
    overflow-y: auto;
    padding-left: 2px;
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) transparent;
}

.k-filter-scroll--sm { max-height: 140px; }
.k-filter-scroll--md { max-height: 200px; }

.k-filter-scroll::-webkit-scrollbar { width: 5px; }
.k-filter-scroll::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 999px;
}

/* Mobile drawer */
.k-filter-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 18, 51, 0.4);
    z-index: var(--z-drawer);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s, visibility 0.2s;
}

.k-filter-overlay.is-open {
    opacity: 1;
    visibility: visible;
}

.k-filter-drawer {
    position: fixed;
    top: 0;
    right: 0;
    width: min(360px, 100vw);
    height: 100%;
    background: #fff;
    z-index: calc(var(--z-drawer) + 1);
    transform: translateX(100%);
    transition: transform 0.25s ease;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}

.k-filter-drawer.is-open {
    transform: translateX(0);
}

.k-filter-drawer__body {
    padding: 20px 16px 32px;
}

.k-filter-drawer__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 18px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    background: #fff;
    z-index: 2;
}

.k-filter-drawer__header h2 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-color);
}

.k-filter-drawer__close {
    border: none;
    background: var(--bg-light);
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    font-size: 1.25rem;
    cursor: pointer;
    color: var(--text-light);
    line-height: 1;
}

.k-filter-drawer__actions {
    display: flex;
    gap: 10px;
    margin-top: 20px;
    position: sticky;
    bottom: 0;
    background: #fff;
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
}

.k-filter-btn-clear {
    flex: 1;
    padding: 11px 14px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: #fff;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    color: var(--text-color);
}

.k-filter-drawer__actions .k-filter-apply {
    flex: 1;
    margin-top: 0;
}

.k-filter-mobile-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: #fff;
    font-family: inherit;
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: var(--text-color);
    cursor: pointer;
}

.k-filter-mobile-btn i {
    color: var(--primary-color);
    font-size: 0.75rem;
}

.k-filter-active {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.k-filter-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    background: var(--primary-light);
    color: var(--primary-dark);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.k-filter-tag button {
    border: none;
    background: none;
    cursor: pointer;
    color: inherit;
    font-size: 1rem;
    line-height: 1;
    padding: 0;
    font-family: inherit;
}