/* === Filter Bar === */
.filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    padding: 0.75rem 0;
    margin-bottom: 0.5rem;
    min-height: 0;
}
.filter-bar:empty {
    display: none;
}

.filter-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    min-width: 160px;
}
.filter-item label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 0.35rem;
}
.filter-delete-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1rem;
    line-height: 1;
    cursor: pointer;
}
.filter-delete-btn:hover {
    color: var(--danger);
}
.filter-map-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1;
    cursor: pointer;
}
.filter-map-btn:hover {
    color: var(--accent);
}

.filter-map-table-wrap {
    max-height: 420px;
    overflow: auto;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-card);
}
.filter-map-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}
.filter-map-table th,
.filter-map-table td {
    padding: 0.5rem 0.75rem;
    border-bottom: 1px solid var(--border);
    text-align: left;
    vertical-align: middle;
}
.filter-map-table th {
    position: sticky;
    top: 0;
    background: var(--bg-tertiary);
    z-index: 1;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
}
.filter-map-table tr:last-child td {
    border-bottom: none;
}
.filter-map-select select {
    width: 100%;
}
.filter-item select,
.filter-item input {
    font-size: 0.85rem;
    padding: 0.4rem 0.6rem;
}

/* Multi-select filter */
.filter-multi {
    position: relative;
}
.filter-multi-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.4rem 0.6rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 0.85rem;
    color: var(--text-primary);
    min-width: 160px;
}
.filter-multi-toggle:hover {
    border-color: var(--border-light);
}
.filter-multi-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    z-index: 50;
    max-height: 240px;
    overflow-y: auto;
    display: none;
}
.filter-multi-dropdown.open {
    display: block;
}
.filter-multi-option {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 0.75rem;
    cursor: pointer;
    font-size: 0.85rem;
    transition: background var(--transition);
}
.filter-multi-option:hover {
    background: var(--bg-hover);
}
.filter-multi-option input[type="checkbox"] {
    accent-color: var(--accent);
}

/* Date range filter */
.filter-date-controls {
    margin-bottom: 0.35rem;
}
.filter-date-menu {
    position: relative;
}
.filter-date-menu-toggle {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    font-size: 0.85rem;
    padding: 0.4rem 0.6rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    cursor: pointer;
    min-height: 34px;
}
.filter-date-menu-toggle:hover {
    border-color: var(--border-light);
}
.filter-date-menu-dropdown {
    position: absolute;
    top: calc(100% + 0.35rem);
    left: 0;
    min-width: 200px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    display: none;
    z-index: 50;
    padding: 0.35rem;
}
.filter-date-menu.open .filter-date-menu-dropdown {
    display: block;
}
.filter-date-menu.filter-active .filter-date-menu-toggle {
    border-color: var(--accent);
}
.filter-date-option {
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    color: var(--text-primary);
    padding: 0.35rem 0.5rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.8rem;
}
.filter-date-option:hover {
    background: var(--bg-hover);
}
.filter-date-group {
    position: relative;
}
.filter-date-group-label {
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    color: var(--text-secondary);
    padding: 0.35rem 0.5rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.78rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.filter-date-group:hover .filter-date-group-label,
.filter-date-group.open .filter-date-group-label {
    background: var(--bg-hover);
    color: var(--text-primary);
}
.filter-date-submenu {
    position: absolute;
    top: 0;
    left: calc(100% + 0.35rem);
    min-width: 180px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    display: none;
    padding: 0.35rem;
    z-index: 60;
}
.filter-date-group:hover .filter-date-submenu,
.filter-date-group.open .filter-date-submenu {
    display: block;
}
.filter-date-custom-panel {
    margin-top: 0.5rem;
    padding: 0.5rem 0.6rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-card);
}
.filter-date-custom-panel.hidden {
    display: none;
}
.filter-date-custom-row {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}
.filter-date-custom-actions {
    margin-top: 0.35rem;
    display: flex;
    justify-content: flex-end;
}
.filter-date-custom-actions .btn {
    padding: 0.2rem 0.5rem;
    font-size: 0.75rem;
}
.filter-date-custom input[type="date"] {
    font-size: 0.85rem;
    padding: 0.35rem 0.5rem;
}
.filter-date-sep {
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* Numeric range filter */
.filter-numeric-range {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}
.filter-numeric-range input[type="number"] {
    width: 80px;
    font-size: 0.85rem;
    padding: 0.35rem 0.5rem;
}

/* Active filter indicator */
.filter-active {
    border-color: var(--accent) !important;
}

/* Filter management */
.filter-manage-bar {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-left: auto;
}
.filter-clear-btn {
    font-size: 0.8rem;
    color: var(--text-muted);
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.3rem 0.5rem;
}
.filter-clear-btn:hover {
    color: var(--danger);
}

/* Add filter modal */
.filter-add-modal {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.filter-add-header {
    display: grid;
    grid-template-columns: 40px 1fr;
    gap: 0.85rem;
    align-items: center;
    padding: 0.75rem 0.85rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.04), rgba(0, 0, 0, 0.02));
}
.filter-add-icon {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: var(--accent);
}
.filter-add-header h4 {
    margin: 0;
    font-size: 0.95rem;
    font-weight: 600;
}
.filter-add-header p {
    margin: 0.2rem 0 0;
    font-size: 0.82rem;
    color: var(--text-muted);
}
.filter-add-section {
    padding: 0.75rem 0.85rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-tertiary);
}
.filter-add-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 0.75rem;
    align-items: end;
}
.filter-add-modal .form-field {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}
.filter-add-modal .field-hint {
    font-size: 0.75rem;
    color: var(--text-muted);
}

@media (max-width: 600px) {
    .filter-bar {
        flex-direction: column;
    }

    .filter-item {
        width: 100%;
        min-width: 0;
    }

    .filter-date-range,
    .filter-numeric-range {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-date-range input[type="date"],
    .filter-numeric-range input[type="number"] {
        width: 100%;
    }

    .filter-map-table-wrap {
        max-height: 280px;
    }
}