diff --git a/frontend/src/components/StrategyEditorPage.tsx b/frontend/src/components/StrategyEditorPage.tsx
index 91e2d49..85bc411 100644
--- a/frontend/src/components/StrategyEditorPage.tsx
+++ b/frontend/src/components/StrategyEditorPage.tsx
@@ -46,7 +46,7 @@ import {
 } from '../utils/strategyStartNodes';
 import IndicatorPaletteTab from './strategyEditor/IndicatorPaletteTab';
 import SidewaysFilterPaletteTab from './strategyEditor/SidewaysFilterPaletteTab';
-import { buildSidewaysFilterNode } from '../utils/sidewaysFilterPalette';
+import { buildSidewaysFilterNode, loadSidewaysPaletteItems } from '../utils/sidewaysFilterPaletteStorage';
 import {
   loadPaletteItems,
   type PaletteItem,
@@ -240,6 +240,7 @@ export default function StrategyEditorPage({ theme, onNavigateToBacktest }: Prop
   const [indicatorSubTab, setIndicatorSubTab] = useState<'auxiliary' | 'composite' | 'range'>('auxiliary');
   const [auxiliaryPalette, setAuxiliaryPalette] = useState<PaletteItem[]>(() => loadPaletteItems('auxiliary'));
   const [compositePalette, setCompositePalette] = useState<PaletteItem[]>(() => loadPaletteItems('composite'));
+  const [sidewaysPalette, setSidewaysPalette] = useState(() => loadSidewaysPaletteItems());
   const [paletteSearch, setPaletteSearch] = useState('');
   const [templateSearch, setTemplateSearch] = useState('');
   const [userTemplates, setUserTemplates] = useState<UserStrategyTemplate[]>(() => loadUserStrategyTemplates());
@@ -1157,13 +1158,13 @@ export default function StrategyEditorPage({ theme, onNavigateToBacktest }: Prop
   }, [signalTab, DEF, currentRoot, setCurrentRoot, scheduleStrategyPersist]);
 
   const applySidewaysFilter = useCallback((filterId: string) => {
-    const newNode = buildSidewaysFilterNode(filterId, DEF);
+    const newNode = buildSidewaysFilterNode(filterId, DEF, sidewaysPalette);
     if (!newNode) return;
     const root = currentRoot;
     if (!root) setCurrentRoot(newNode);
     else setCurrentRoot(mergeAtRoot(root, newNode, false));
     scheduleStrategyPersist();
-  }, [DEF, currentRoot, setCurrentRoot, scheduleStrategyPersist]);
+  }, [DEF, currentRoot, setCurrentRoot, scheduleStrategyPersist, sidewaysPalette]);
 
   const templates = useMemo(() => getStrategyTemplates(DEF), [DEF]);
 
@@ -1952,6 +1953,8 @@ export default function StrategyEditorPage({ theme, onNavigateToBacktest }: Prop
               ) : (
                 <SidewaysFilterPaletteTab
                   def={DEF}
+                  items={sidewaysPalette}
+                  onItemsChange={setSidewaysPalette}
                   searchQuery={paletteSearch}
                   selectedItemId={
                     selectedPaletteKey?.startsWith('range:')
diff --git a/frontend/src/components/strategyEditor/SidewaysFilterItemModal.tsx b/frontend/src/components/strategyEditor/SidewaysFilterItemModal.tsx
new file mode 100644
index 0000000..2a52a5c
--- /dev/null
+++ b/frontend/src/components/strategyEditor/SidewaysFilterItemModal.tsx
@@ -0,0 +1,141 @@
+import React, { useEffect, useState } from 'react';
+import DraggableModalFrame from '../DraggableModalFrame';
+import type { SidewaysFilterPaletteEntry } from '../../utils/sidewaysFilterPaletteStorage';
+import {
+  SIDEWAYS_CATEGORY_OPTIONS,
+  SIDEWAYS_TEMPLATE_OPTIONS,
+} from '../../utils/sidewaysFilterPaletteStorage';
+import type { SidewaysFilterMode } from '../../utils/sidewaysFilterPalette';
+
+interface Props {
+  open: boolean;
+  mode: 'add' | 'edit';
+  initial?: SidewaysFilterPaletteEntry | null;
+  onClose: () => void;
+  onSave: (entry: Omit<SidewaysFilterPaletteEntry, 'id' | 'builtIn'> & { id?: string; builtIn?: boolean }) => void;
+}
+
+export default function SidewaysFilterItemModal({
+  open, mode, initial, onClose, onSave,
+}: Props) {
+  const [templateId, setTemplateId] = useState(SIDEWAYS_TEMPLATE_OPTIONS[0]?.value ?? 'adx-lt-25');
+  const [label, setLabel] = useState('');
+  const [desc, setDesc] = useState('');
+  const [category, setCategory] = useState(SIDEWAYS_CATEGORY_OPTIONS[0]?.value ?? 'adx');
+  const [filterMode, setFilterMode] = useState<SidewaysFilterMode>('include');
+
+  useEffect(() => {
+    if (!open) return;
+    if (mode === 'edit' && initial) {
+      setTemplateId(initial.templateId);
+      setLabel(initial.label);
+      setDesc(initial.desc);
+      setCategory(initial.category);
+      setFilterMode(initial.mode);
+      return;
+    }
+    const tpl = SIDEWAYS_TEMPLATE_OPTIONS[0];
+    if (tpl) {
+      setTemplateId(tpl.value);
+      setLabel(`${tpl.label} (복사)`);
+      setDesc(tpl.desc);
+      setCategory(tpl.category);
+      setFilterMode(tpl.mode);
+    }
+  }, [open, mode, initial]);
+
+  const handleTemplateChange = (next: string) => {
+    setTemplateId(next);
+    if (mode !== 'add') return;
+    const tpl = SIDEWAYS_TEMPLATE_OPTIONS.find(o => o.value === next);
+    if (!tpl) return;
+    setLabel(`${tpl.label} (복사)`);
+    setDesc(tpl.desc);
+    setCategory(tpl.category);
+    setFilterMode(tpl.mode);
+  };
+
+  if (!open) return null;
+
+  const title = mode === 'add' ? '횡보 필터 추가' : '횡보 필터 수정';
+
+  const handleSubmit = () => {
+    const trimmedLabel = label.trim();
+    if (!trimmedLabel) {
+      window.alert('표시 이름을 입력해 주세요.');
+      return;
+    }
+    onSave({
+      id: initial?.id,
+      builtIn: initial?.builtIn,
+      templateId,
+      label: trimmedLabel,
+      desc: desc.trim() || trimmedLabel,
+      category,
+      mode: filterMode,
+    });
+    onClose();
+  };
+
+  return (
+    <DraggableModalFrame onClose={onClose} title={title}>
+      <div className="se-modal-body se-palette-item-modal">
+        <label className="se-field-lbl">기반 필터</label>
+        <select
+          className="se-field-inp"
+          value={templateId}
+          disabled={mode === 'edit'}
+          onChange={e => handleTemplateChange(e.target.value)}
+        >
+          {SIDEWAYS_TEMPLATE_OPTIONS.map(o => (
+            <option key={o.value} value={o.value}>{o.label}</option>
+          ))}
+        </select>
+
+        <label className="se-field-lbl">표시 이름</label>
+        <input
+          className="se-field-inp"
+          value={label}
+          onChange={e => setLabel(e.target.value)}
+          placeholder="예: ADX < 25"
+        />
+
+        <label className="se-field-lbl">설명</label>
+        <input
+          className="se-field-inp"
+          value={desc}
+          onChange={e => setDesc(e.target.value)}
+          placeholder="짧은 설명"
+        />
+
+        <label className="se-field-lbl">카테고리</label>
+        <select
+          className="se-field-inp"
+          value={category}
+          onChange={e => setCategory(e.target.value as typeof category)}
+        >
+          {SIDEWAYS_CATEGORY_OPTIONS.map(o => (
+            <option key={o.value} value={o.value}>{o.label}</option>
+          ))}
+        </select>
+
+        <label className="se-field-lbl">모드</label>
+        <select
+          className="se-field-inp"
+          value={filterMode}
+          onChange={e => setFilterMode(e.target.value as SidewaysFilterMode)}
+        >
+          <option value="include">횡보 (include)</option>
+          <option value="exclude">횡보 제외 (exclude)</option>
+        </select>
+
+        <div className="se-modal-actions">
+          <button type="button" className="se-btn se-btn--ghost" onClick={onClose}>취소</button>
+          <button type="button" className="se-btn se-btn--gold" onClick={handleSubmit}>
+            {mode === 'add' ? '추가' : '저장'}
+          </button>
+        </div>
+      </div>
+    </DraggableModalFrame>
+  );
+}
diff --git a/frontend/src/components/strategyEditor/SidewaysFilterPaletteTab.tsx b/frontend/src/components/strategyEditor/SidewaysFilterPaletteTab.tsx
index cbdc330..d364657 100644
--- a/frontend/src/components/strategyEditor/SidewaysFilterPaletteTab.tsx
+++ b/frontend/src/components/strategyEditor/SidewaysFilterPaletteTab.tsx
@@ -2,11 +2,15 @@ import React, { useMemo, useState, useCallback } from 'react';
 import { createPortal } from 'react-dom';
 import type { DefType } from '../../utils/strategyEditorShared';
 import {
-  DEFAULT_SIDEWAYS_FILTER_ITEMS,
   filterSidewaysItems,
-  type SidewaysFilterItem,
   type SidewaysFilterMode,
 } from '../../utils/sidewaysFilterPalette';
+import {
+  createSidewaysFilterPaletteId,
+  saveSidewaysPaletteItems,
+  type SidewaysFilterPaletteEntry,
+} from '../../utils/sidewaysFilterPaletteStorage';
+import SidewaysFilterItemModal from './SidewaysFilterItemModal';
 
 export interface SidewaysFilterDragPayload {
   type: 'sidewaysFilter';
@@ -16,16 +20,18 @@ export interface SidewaysFilterDragPayload {
 
 interface Props {
   def: DefType;
+  items: SidewaysFilterPaletteEntry[];
+  onItemsChange: (items: SidewaysFilterPaletteEntry[]) => void;
   searchQuery: string;
   selectedItemId: string | null;
   onSelectItem: (id: string | null) => void;
-  onAddToCanvas: (item: SidewaysFilterItem) => void;
+  onAddToCanvas: (item: SidewaysFilterPaletteEntry) => void;
 }
 
-function modeIcon(mode: SidewaysFilterMode): { glyph: string; cls: string; aria: string } {
+function modeIcon(mode: SidewaysFilterMode): { glyph: string; aria: string } {
   return mode === 'include'
-    ? { glyph: '▣', cls: 'se-range-chip-icon--include', aria: '횡보' }
-    : { glyph: '⊘', cls: 'se-range-chip-icon--exclude', aria: '제외' };
+    ? { glyph: '▣', aria: '횡보' }
+    : { glyph: '⊘', aria: '제외' };
 }
 
 interface HoverHintState {
@@ -42,7 +48,7 @@ function SidewaysFilterChip({
   onAdd,
   onHintChange,
 }: {
-  item: SidewaysFilterItem;
+  item: SidewaysFilterPaletteEntry;
   selected: boolean;
   onSelect: () => void;
   onAdd: () => void;
@@ -89,7 +95,7 @@ function SidewaysFilterChip({
   return (
     <div
       draggable
-      className={`se-palette-card se-palette-card--range se-range-chip${selected ? ' se-palette-card--selected' : ''}`}
+      className={`se-palette-card se-palette-card--range se-palette-card--range-${item.mode}${selected ? ' se-palette-card--selected' : ''}`}
       onDragStart={onDragStart}
       onClick={handleClick}
       onDoubleClick={handleDoubleClick}
@@ -102,17 +108,29 @@ function SidewaysFilterChip({
       onKeyDown={handleKeyDown}
       aria-label={item.label}
     >
-      <div className="se-range-chip-icons">
-        <span className="se-range-chip-icon se-range-chip-icon--left" aria-hidden>↔</span>
+      <div className="se-palette-card-head">
+        <span className="se-palette-card-icon" aria-hidden>↔</span>
+        <div className="se-palette-card-meta">
+          <span className="se-palette-card-name">{item.label}</span>
+          <span className="se-palette-card-desc">{item.desc}</span>
+        </div>
+      </div>
+      <div className="se-palette-card-period">
+        <span>모드</span>
+        <input
+          readOnly
+          value={item.mode === 'include' ? '횡보' : '제외'}
+          className="se-palette-period-input se-palette-mode-input"
+          tabIndex={-1}
+        />
         <span
-          className={`se-range-chip-icon se-range-chip-icon--right ${rightIcon.cls}`}
-          aria-label={rightIcon.aria}
-          title=""
+          className={`se-palette-mode-mark se-palette-mode-mark--${item.mode}`}
+          aria-hidden
+          title={rightIcon.aria}
         >
           {rightIcon.glyph}
         </span>
       </div>
-      <span className="se-range-chip-name">{item.label}</span>
     </div>
   );
 }
@@ -136,6 +154,8 @@ function SidewaysFilterHintTooltip({ hint }: { hint: HoverHintState }) {
 
 export default function SidewaysFilterPaletteTab({
   def,
+  items,
+  onItemsChange,
   searchQuery,
   selectedItemId,
   onSelectItem,
@@ -144,18 +164,118 @@ export default function SidewaysFilterPaletteTab({
   void def;
   const [modeFilter, setModeFilter] = useState<'all' | SidewaysFilterMode>('all');
   const [hoverHint, setHoverHint] = useState<HoverHintState | null>(null);
+  const [modalOpen, setModalOpen] = useState(false);
+  const [modalMode, setModalMode] = useState<'add' | 'edit'>('add');
+  const [editTarget, setEditTarget] = useState<SidewaysFilterPaletteEntry | null>(null);
 
   const filtered = useMemo(
-    () => filterSidewaysItems(DEFAULT_SIDEWAYS_FILTER_ITEMS, searchQuery, modeFilter),
-    [searchQuery, modeFilter],
+    () => filterSidewaysItems(items, searchQuery, modeFilter),
+    [items, searchQuery, modeFilter],
   );
 
+  const selected = items.find(i => i.id === selectedItemId) ?? null;
+
+  const persist = useCallback((next: SidewaysFilterPaletteEntry[]) => {
+    onItemsChange(next);
+    saveSidewaysPaletteItems(next);
+  }, [onItemsChange]);
+
+  const openAdd = () => {
+    setEditTarget(null);
+    setModalMode('add');
+    setModalOpen(true);
+  };
+
+  const openEdit = () => {
+    if (!selected) {
+      window.alert('수정할 횡보 필터를 먼저 선택해 주세요.');
+      return;
+    }
+    setEditTarget(selected);
+    setModalMode('edit');
+    setModalOpen(true);
+  };
+
+  const handleDelete = () => {
+    if (!selected) {
+      window.alert('삭제할 횡보 필터를 먼저 선택해 주세요.');
+      return;
+    }
+    if (!window.confirm(`「${selected.label}」을(를) 목록에서 삭제할까요?`)) return;
+    const next = items.filter(i => i.id !== selected.id);
+    persist(next);
+    onSelectItem(null);
+  };
+
+  const handleSave = (draft: Omit<SidewaysFilterPaletteEntry, 'id' | 'builtIn'> & { id?: string; builtIn?: boolean }) => {
+    if (modalMode === 'add') {
+      const entry: SidewaysFilterPaletteEntry = {
+        id: createSidewaysFilterPaletteId(),
+        templateId: draft.templateId,
+        label: draft.label,
+        desc: draft.desc,
+        category: draft.category,
+        mode: draft.mode,
+      };
+      persist([...items, entry]);
+      onSelectItem(entry.id);
+      return;
+    }
+    const id = draft.id ?? editTarget?.id;
+    if (!id) return;
+    persist(items.map(i => (i.id === id ? {
+      ...i,
+      label: draft.label,
+      desc: draft.desc,
+      category: draft.category,
+      mode: draft.mode,
+      templateId: draft.templateId,
+    } : i)));
+  };
+
   return (
     <div className="se-palette-section se-palette-section--range se-palette-section--scroll">
       {hoverHint && <SidewaysFilterHintTooltip hint={hoverHint} />}
       <div className="se-palette-toolbar">
         <span className="se-palette-toolbar-title">횡보 필터</span>
-        <span className="se-range-count">{filtered.length}개</span>
+        <div className="se-palette-toolbar-actions" role="toolbar" aria-label="횡보 필터 관리">
+          <button
+            type="button"
+            className="se-palette-tool-btn"
+            title="필터 추가"
+            aria-label="필터 추가"
+            onClick={openAdd}
+          >
+            <svg viewBox="0 0 24 24" width="16" height="16" aria-hidden>
+              <path d="M12 5v14M5 12h14" stroke="currentColor" strokeWidth="2" strokeLinecap="round" />
+            </svg>
+          </button>
+          <button
+            type="button"
+            className="se-palette-tool-btn"
+            title="선택 필터 수정"
+            aria-label="선택 필터 수정"
+            disabled={!selected}
+            onClick={openEdit}
+          >
+            <svg viewBox="0 0 24 24" width="16" height="16" aria-hidden>
+              <path d="M4 20h4l10-10-4-4L4 16v4z" stroke="currentColor" strokeWidth="1.75" fill="none" strokeLinejoin="round" />
+              <path d="M14 6l4 4" stroke="currentColor" strokeWidth="1.75" strokeLinecap="round" />
+            </svg>
+          </button>
+          <button
+            type="button"
+            className="se-palette-tool-btn se-palette-tool-btn--danger"
+            title="선택 필터 삭제"
+            aria-label="선택 필터 삭제"
+            disabled={!selected}
+            onClick={handleDelete}
+          >
+            <svg viewBox="0 0 24 24" width="16" height="16" aria-hidden>
+              <path d="M6 7h12M9 7V5h6v2M10 11v6M14 11v6M8 7l1 12h6l1-12" stroke="currentColor" strokeWidth="1.75" fill="none" strokeLinecap="round" strokeLinejoin="round" />
+            </svg>
+          </button>
+        </div>
       </div>
 
       <div className="se-range-mode-tabs" role="tablist" aria-label="횡보 필터 모드">
@@ -204,6 +324,14 @@ export default function SidewaysFilterPaletteTab({
       {filtered.length === 0 && (
         <p className="se-palette-empty">검색 결과가 없습니다.</p>
       )}
+
+      <SidewaysFilterItemModal
+        open={modalOpen}
+        mode={modalMode}
+        initial={editTarget}
+        onClose={() => setModalOpen(false)}
+        onSave={handleSave}
+      />
     </div>
   );
 }
diff --git a/frontend/src/components/strategyEditor/StrategyEditorCanvas.tsx b/frontend/src/components/strategyEditor/StrategyEditorCanvas.tsx
index 8065ebd..2c283dd 100644
--- a/frontend/src/components/strategyEditor/StrategyEditorCanvas.tsx
+++ b/frontend/src/components/strategyEditor/StrategyEditorCanvas.tsx
@@ -28,7 +28,7 @@ import {
   updateNode,
   type DefType,
 } from '../../utils/strategyEditorShared';
-import { buildSidewaysFilterNode } from '../../utils/sidewaysFilterPalette';
+import { buildSidewaysFilterNode } from '../../utils/sidewaysFilterPaletteStorage';
 import { setStochPairSecondary } from '../../utils/stochOverboughtPair';
 import {
   START_NODE_ID,
diff --git a/frontend/src/styles/strategyEditor.css b/frontend/src/styles/strategyEditor.css
index d78237d..a9084a2 100644
--- a/frontend/src/styles/strategyEditor.css
+++ b/frontend/src/styles/strategyEditor.css
@@ -1751,15 +1751,30 @@
   color: var(--se-palette-section-range, #f59e0b);
 }
 
-.se-palette-card--range {
-  border-color: color-mix(in srgb, var(--se-palette-section-range, #f59e0b) 35%, var(--se-border));
+.se-palette-mode-input {
+  width: auto;
+  min-width: 34px;
+  flex: 1;
+  max-width: 52px;
 }
-.se-palette-card--range:hover {
-  border-color: color-mix(in srgb, var(--se-palette-section-range, #f59e0b) 55%, var(--se-border));
+.se-palette-mode-mark {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  width: 18px;
+  height: 18px;
+  border-radius: 4px;
+  font-size: 0.62rem;
+  line-height: 1;
+  flex-shrink: 0;
 }
-.se-palette-card-icon--range {
-  background: color-mix(in srgb, var(--se-palette-section-range, #f59e0b) 18%, transparent);
-  color: var(--se-palette-section-range, #f59e0b);
+.se-palette-mode-mark--include {
+  background: color-mix(in srgb, #38bdf8 18%, transparent);
+  color: #38bdf8;
+}
+.se-palette-mode-mark--exclude {
+  background: color-mix(in srgb, var(--se-palette-range-exclude-accent) 18%, transparent);
+  color: var(--se-palette-range-exclude-accent);
 }
 
 .se-range-count {
@@ -1778,12 +1793,14 @@
   flex: 1;
   padding: 6px 4px;
   border-radius: 6px;
-  border: 1px solid var(--se-border);
-  background: var(--se-btn-bg);
+  border: 1px solid color-mix(in srgb, var(--se-palette-range-accent) 28%, var(--se-border));
+  background: color-mix(in srgb, var(--se-palette-range-accent) 6%, var(--se-btn-bg));
   color: var(--se-text-muted);
   font-size: 0.68rem;
   font-weight: 600;
   cursor: pointer;
+  box-shadow: inset 0 1px 0 color-mix(in srgb, var(--se-text) 6%, transparent);
+  transition: border-color 0.12s, background 0.12s, box-shadow 0.12s;
 }
 .se-range-mode-tab--on {
   border-color: color-mix(in srgb, var(--se-palette-section-range, #f59e0b) 50%, transparent);
@@ -1858,60 +1875,6 @@
   color: #f87171;
 }
 
-.se-range-chip {
-  display: flex;
-  flex-direction: column;
-  gap: 6px;
-  padding: 8px 8px 9px;
-  min-height: 56px;
-}
-
-.se-range-chip-icons {
-  display: flex;
-  align-items: center;
-  justify-content: space-between;
-  gap: 6px;
-}
-
-.se-range-chip-icon {
-  display: flex;
-  align-items: center;
-  justify-content: center;
-  width: 22px;
-  height: 22px;
-  border-radius: 5px;
-  font-size: 0.72rem;
-  line-height: 1;
-  flex-shrink: 0;
-}
-
-.se-range-chip-icon--left {
-  background: color-mix(in srgb, var(--se-palette-section-range, #f59e0b) 18%, transparent);
-  color: var(--se-palette-section-range, #f59e0b);
-}
-
-.se-range-chip-icon--right.se-range-chip-icon--include {
-  background: color-mix(in srgb, #38bdf8 18%, transparent);
-  color: #38bdf8;
-}
-
-.se-range-chip-icon--right.se-range-chip-icon--exclude {
-  background: color-mix(in srgb, #f87171 18%, transparent);
-  color: #f87171;
-}
-
-.se-range-chip-name {
-  font-size: 0.68rem;
-  font-weight: 700;
-  line-height: 1.25;
-  color: var(--se-text);
-  display: -webkit-box;
-  -webkit-line-clamp: 2;
-  -webkit-box-orient: vertical;
-  overflow: hidden;
-  word-break: keep-all;
-}
-
 .se-range-hint-tooltip {
   position: fixed;
   z-index: 10050;
@@ -2158,7 +2121,9 @@
 .se-palette-card--ind {
   border-color: color-mix(in srgb, var(--se-palette-ind-accent) 42%, transparent);
   background: var(--se-palette-ind-bg);
-  box-shadow: inset 3px 0 0 var(--se-palette-ind-accent);
+  box-shadow:
+    inset 3px 0 0 var(--se-palette-ind-accent),
+    inset 0 1px 0 color-mix(in srgb, var(--se-text) 6%, transparent);
 }
 .se-palette-card--ind .se-palette-card-icon {
   background: color-mix(in srgb, var(--se-palette-ind-accent) 22%, transparent);
@@ -2166,14 +2131,19 @@
 }
 .se-palette-card--ind:hover {
   border-color: color-mix(in srgb, var(--se-palette-ind-accent) 65%, transparent);
-  box-shadow: inset 3px 0 0 var(--se-palette-ind-accent), 0 4px 14px color-mix(in srgb, var(--se-palette-ind-accent) 22%, transparent);
+  box-shadow:
+    inset 3px 0 0 var(--se-palette-ind-accent),
+    inset 0 1px 0 color-mix(in srgb, var(--se-text) 6%, transparent),
+    0 4px 14px color-mix(in srgb, var(--se-palette-ind-accent) 22%, transparent);
 }
 
 /* ── 복합지표 ── */
 .se-palette-card--composite {
   border-color: color-mix(in srgb, #c084fc 42%, transparent);
-  background: color-mix(in srgb, #c084fc 8%, var(--se-palette-card-bg));
-  box-shadow: inset 3px 0 0 #c084fc;
+  background: linear-gradient(145deg, color-mix(in srgb, #c084fc 22%, var(--bg2)), color-mix(in srgb, #c084fc 10%, var(--bg2)));
+  box-shadow:
+    inset 3px 0 0 #c084fc,
+    inset 0 1px 0 color-mix(in srgb, var(--se-text) 6%, transparent);
 }
 .se-palette-card--composite .se-palette-card-icon {
   background: color-mix(in srgb, #c084fc 22%, transparent);
@@ -2181,12 +2151,70 @@
 }
 .se-palette-card--composite:hover {
   border-color: color-mix(in srgb, #c084fc 65%, transparent);
-  box-shadow: inset 3px 0 0 #c084fc, 0 4px 14px color-mix(in srgb, #c084fc 22%, transparent);
+  box-shadow:
+    inset 3px 0 0 #c084fc,
+    inset 0 1px 0 color-mix(in srgb, var(--se-text) 6%, transparent),
+    0 4px 14px color-mix(in srgb, #c084fc 22%, transparent);
 }
 .se-palette-card--selected.se-palette-card--composite {
   outline-color: #c084fc;
 }
 
+/* ── 횡보 필터 (base .se-palette-card 뒤에 배치 — 배경 덮어쓰기 방지) ── */
+.se-palette-card.se-palette-card--range,
+.se-palette-card.se-palette-card--range-include {
+  border-color: color-mix(in srgb, var(--se-palette-range-accent) 42%, transparent);
+  background: var(--se-palette-range-bg);
+  box-shadow:
+    inset 3px 0 0 var(--se-palette-range-accent),
+    inset 0 1px 0 color-mix(in srgb, var(--se-text) 6%, transparent);
+}
+.se-palette-card.se-palette-card--range .se-palette-card-icon,
+.se-palette-card.se-palette-card--range-include .se-palette-card-icon {
+  background: color-mix(in srgb, var(--se-palette-range-accent) 22%, transparent);
+  color: var(--se-palette-range-accent);
+}
+.se-palette-card.se-palette-card--range:hover,
+.se-palette-card.se-palette-card--range-include:hover {
+  border-color: color-mix(in srgb, var(--se-palette-range-accent) 65%, transparent);
+  box-shadow:
+    inset 3px 0 0 var(--se-palette-range-accent),
+    inset 0 1px 0 color-mix(in srgb, var(--se-text) 6%, transparent),
+    0 4px 14px color-mix(in srgb, var(--se-palette-range-accent) 22%, transparent);
+}
+.se-palette-card--selected.se-palette-card.se-palette-card--range,
+.se-palette-card--selected.se-palette-card.se-palette-card--range-include {
+  outline-color: var(--se-palette-range-accent);
+}
+.se-palette-card.se-palette-card--range-exclude {
+  border-color: color-mix(in srgb, var(--se-palette-range-exclude-accent) 42%, transparent);
+  background: var(--se-palette-range-exclude-bg);
+  box-shadow:
+    inset 3px 0 0 var(--se-palette-range-exclude-accent),
+    inset 0 1px 0 color-mix(in srgb, var(--se-text) 6%, transparent);
+}
+.se-palette-card.se-palette-card--range-exclude .se-palette-card-icon {
+  background: color-mix(in srgb, var(--se-palette-range-exclude-accent) 22%, transparent);
+  color: var(--se-palette-range-exclude-accent);
+}
+.se-palette-card.se-palette-card--range-exclude:hover {
+  border-color: color-mix(in srgb, var(--se-palette-range-exclude-accent) 65%, transparent);
+  box-shadow:
+    inset 3px 0 0 var(--se-palette-range-exclude-accent),
+    inset 0 1px 0 color-mix(in srgb, var(--se-text) 6%, transparent),
+    0 4px 14px color-mix(in srgb, var(--se-palette-range-exclude-accent) 22%, transparent);
+}
+.se-palette-card--selected.se-palette-card.se-palette-card--range-exclude {
+  outline-color: var(--se-palette-range-exclude-accent);
+}
+.se-palette-card.se-palette-card--range .se-palette-card-desc {
+  display: -webkit-box;
+  -webkit-line-clamp: 2;
+  -webkit-box-orient: vertical;
+  overflow: hidden;
+  line-height: 1.25;
+}
+
 .se-palette-card-head { display: flex; align-items: flex-start; gap: 6px; }
 .se-palette-card-icon {
   width: 24px; height: 24px; border-radius: 6px;
diff --git a/frontend/src/styles/strategyEditorTheme.css b/frontend/src/styles/strategyEditorTheme.css
index 0c73fd6..2a1ecb6 100644
--- a/frontend/src/styles/strategyEditorTheme.css
+++ b/frontend/src/styles/strategyEditorTheme.css
@@ -68,10 +68,15 @@
   --se-palette-band-accent: #a78bfa;
   --se-palette-band-bg: color-mix(in srgb, #a78bfa 14%, var(--bg2));
   --se-palette-ind-accent: #34d399;
-  --se-palette-ind-bg: color-mix(in srgb, #34d399 14%, var(--bg2));
+  --se-palette-ind-bg: linear-gradient(145deg, color-mix(in srgb, #34d399 22%, var(--bg2)), color-mix(in srgb, #34d399 10%, var(--bg2)));
+  --se-palette-range-accent: #f59e0b;
+  --se-palette-range-bg: linear-gradient(145deg, color-mix(in srgb, #f59e0b 22%, var(--bg2)), color-mix(in srgb, #f59e0b 10%, var(--bg2)));
+  --se-palette-range-exclude-accent: #f87171;
+  --se-palette-range-exclude-bg: linear-gradient(145deg, color-mix(in srgb, #f87171 20%, var(--bg2)), color-mix(in srgb, #f87171 9%, var(--bg2)));
   --se-palette-section-logic: #4dabf7;
   --se-palette-section-band: #a78bfa;
   --se-palette-section-ind: #34d399;
+  --se-palette-section-range: #f59e0b;
   --se-tab-active: var(--se-gold);
   --se-handle: var(--accent);
   --se-edge: color-mix(in srgb, var(--accent) 72%, transparent);
@@ -202,10 +207,15 @@
   --se-palette-band-accent: #7b1fa2;
   --se-palette-band-bg: rgba(123, 31, 162, 0.07);
   --se-palette-ind-accent: #2e7d32;
-  --se-palette-ind-bg: rgba(46, 125, 50, 0.08);
+  --se-palette-ind-bg: linear-gradient(145deg, rgba(46, 125, 50, 0.16), rgba(46, 125, 50, 0.06));
+  --se-palette-range-accent: #e65100;
+  --se-palette-range-bg: linear-gradient(145deg, rgba(230, 81, 0, 0.16), rgba(230, 81, 0, 0.06));
+  --se-palette-range-exclude-accent: #c62828;
+  --se-palette-range-exclude-bg: linear-gradient(145deg, rgba(198, 40, 40, 0.14), rgba(198, 40, 40, 0.05));
   --se-palette-section-logic: #1565c0;
   --se-palette-section-band: #7b1fa2;
   --se-palette-section-ind: #2e7d32;
+  --se-palette-section-range: #e65100;
 
   --vtd-sig-gold-text: color-mix(in srgb, var(--se-gold) 88%, #212121);
   --vtd-sig-panel-bg: color-mix(in srgb, var(--se-gold) 5%, #ffffff);
@@ -261,10 +271,15 @@
   --se-palette-band-accent: #ce93d8;
   --se-palette-band-bg: rgba(206, 147, 216, 0.12);
   --se-palette-ind-accent: #69f0ae;
-  --se-palette-ind-bg: rgba(105, 240, 174, 0.1);
+  --se-palette-ind-bg: linear-gradient(145deg, rgba(105, 240, 174, 0.18), rgba(105, 240, 174, 0.07));
+  --se-palette-range-accent: #ffb74d;
+  --se-palette-range-bg: linear-gradient(145deg, rgba(255, 183, 77, 0.22), rgba(255, 183, 77, 0.08));
+  --se-palette-range-exclude-accent: #ef5350;
+  --se-palette-range-exclude-bg: linear-gradient(145deg, rgba(239, 83, 80, 0.18), rgba(239, 83, 80, 0.07));
   --se-palette-section-logic: #5eb5ff;
   --se-palette-section-band: #ce93d8;
   --se-palette-section-ind: #69f0ae;
+  --se-palette-section-range: #ffb74d;
 }
 
 /* Light theme — flow node & handle tweaks */
diff --git a/frontend/src/types/uiPreferences.ts b/frontend/src/types/uiPreferences.ts
index 9557832..03e67e1 100644
--- a/frontend/src/types/uiPreferences.ts
+++ b/frontend/src/types/uiPreferences.ts
@@ -4,6 +4,7 @@ import type { IndicatorCustomTab } from '../utils/indicatorCustomTabsStorage';
 import type { VirtualCardViewMode, VirtualSessionConfig, VirtualTargetItem } from '../utils/virtualTradingStorage';
 import type { StrategyEditorMode } from '../utils/strategyEditorModeStorage';
 import type { UserStrategyTemplate } from '../utils/strategyTemplateStorage';
+import type { SidewaysFilterPaletteEntry } from '../utils/sidewaysFilterPaletteStorage';
 
 /** gc_app_settings.ui_preferences_json 구조 */
 export interface UiPreferences {
@@ -16,6 +17,7 @@ export interface UiPreferences {
     userTemplates?: UserStrategyTemplate[];
     /** 내장 템플릿 목록에서 숨긴 ID (getBuiltinTemplateId) */
     hiddenBuiltinTemplateIds?: string[];
+    paletteSideways?: SidewaysFilterPaletteEntry[];
   };
   indicator?: {
     customTabs?: IndicatorCustomTab[];
diff --git a/frontend/src/utils/sidewaysFilterPalette.ts b/frontend/src/utils/sidewaysFilterPalette.ts
index 982a511..bd848fb 100644
--- a/frontend/src/utils/sidewaysFilterPalette.ts
+++ b/frontend/src/utils/sidewaysFilterPalette.ts
@@ -5,6 +5,7 @@
 import type { LogicNode } from './strategyTypes';
 import type { DefType } from './strategyEditorShared';
 import { genId } from './strategyNodeIds';
+import type { SidewaysFilterPaletteEntry } from './sidewaysFilterPaletteStorage';
 import { THRESHOLD_HL_MID, THRESHOLD_HL_UNDER } from './thresholdSymbols';
 
 export type SidewaysFilterMode = 'include' | 'exclude';
@@ -28,7 +29,9 @@ export interface SidewaysFilterItem {
   category: SidewaysFilterCategory;
   /** include=횡보 구간만, exclude=횡보 제외(추세만) */
   mode: SidewaysFilterMode;
-  build: (def: DefType) => LogicNode;
+  builtIn?: boolean;
+  /** 모드(NOT) 적용 전 내부 조건 트리 */
+  buildInner: (def: DefType) => LogicNode;
 }
 
 export const SIDEWAYS_FILTER_CATEGORY_LABEL: Record<SidewaysFilterCategory, string> = {
@@ -158,14 +161,6 @@ function dcNarrow(period: number, threshold: number): LogicNode {
   );
 }
 
-function buildInclude(inner: LogicNode): LogicNode {
-  return inner;
-}
-
-function buildExclude(inner: LogicNode): LogicNode {
-  return notNode(inner);
-}
-
 function item(
   id: string,
   label: string,
@@ -180,13 +175,25 @@ function item(
     desc,
     category,
     mode,
-    build: def => {
-      const node = typeof inner === 'function' ? inner(def) : inner;
-      return mode === 'exclude' ? buildExclude(node) : buildInclude(node);
-    },
+    builtIn: true,
+    buildInner: def => (typeof inner === 'function' ? inner(def) : inner),
   };
 }
 
+export function applySidewaysFilterMode(inner: LogicNode, mode: SidewaysFilterMode): LogicNode {
+  return mode === 'exclude' ? notNode(inner) : inner;
+}
+
+export function buildSidewaysFilterLogic(
+  templateId: string,
+  mode: SidewaysFilterMode,
+  def: DefType,
+): LogicNode | null {
+  const tpl = BUILTIN_FILTER_MAP.get(templateId);
+  if (!tpl) return null;
+  return applySidewaysFilterMode(tpl.buildInner(def), mode);
+}
+
 /** 내장 횡보 필터 목록 */
 export const DEFAULT_SIDEWAYS_FILTER_ITEMS: SidewaysFilterItem[] = [
   // ── ADX ──
@@ -299,23 +306,17 @@ export const DEFAULT_SIDEWAYS_FILTER_ITEMS: SidewaysFilterItem[] = [
   )),
 ];
 
-const FILTER_MAP = new Map(DEFAULT_SIDEWAYS_FILTER_ITEMS.map(i => [i.id, i]));
+const BUILTIN_FILTER_MAP = new Map(DEFAULT_SIDEWAYS_FILTER_ITEMS.map(i => [i.id, i]));
 
 export function getSidewaysFilterItem(id: string): SidewaysFilterItem | undefined {
-  return FILTER_MAP.get(id);
-}
-
-export function buildSidewaysFilterNode(id: string, def: DefType): LogicNode | null {
-  const item = getSidewaysFilterItem(id);
-  if (!item) return null;
-  return item.build(def);
+  return BUILTIN_FILTER_MAP.get(id);
 }
 
 export function filterSidewaysItems(
-  items: SidewaysFilterItem[],
+  items: SidewaysFilterPaletteEntry[],
   query: string,
   modeFilter: 'all' | SidewaysFilterMode,
-): SidewaysFilterItem[] {
+): SidewaysFilterPaletteEntry[] {
   const q = query.trim().toLowerCase();
   return items.filter(i => {
     if (modeFilter !== 'all' && i.mode !== modeFilter) return false;
@@ -332,12 +333,12 @@ export function filterSidewaysItems(
 }
 
 export function groupSidewaysFiltersByCategory(
-  items: SidewaysFilterItem[],
-): { category: SidewaysFilterCategory; label: string; items: SidewaysFilterItem[] }[] {
+  items: SidewaysFilterPaletteEntry[],
+): { category: SidewaysFilterCategory; label: string; items: SidewaysFilterPaletteEntry[] }[] {
   const order: SidewaysFilterCategory[] = [
     'adx', 'bollinger', 'ma', 'ichimoku', 'donchian', 'oscillator', 'cycle', 'dmi', 'volume', 'combo',
   ];
-  const grouped = new Map<SidewaysFilterCategory, SidewaysFilterItem[]>();
+  const grouped = new Map<SidewaysFilterCategory, SidewaysFilterPaletteEntry[]>();
   for (const i of items) {
     const list = grouped.get(i.category) ?? [];
     list.push(i);
diff --git a/frontend/src/utils/sidewaysFilterPaletteStorage.ts b/frontend/src/utils/sidewaysFilterPaletteStorage.ts
new file mode 100644
index 0000000..d3513b0
--- /dev/null
+++ b/frontend/src/utils/sidewaysFilterPaletteStorage.ts
@@ -0,0 +1,102 @@
+/** 횡보필터 팔레트 — DB ui_preferences 저장 */
+import type { LogicNode } from './strategyTypes';
+import type { DefType } from './strategyEditorShared';
+import { getUiPreferences, patchUiPreferences } from './uiPreferencesDb';
+import {
+  DEFAULT_SIDEWAYS_FILTER_ITEMS,
+  buildSidewaysFilterLogic,
+  type SidewaysFilterCategory,
+  type SidewaysFilterMode,
+} from './sidewaysFilterPalette';
+
+export interface SidewaysFilterPaletteEntry {
+  id: string;
+  label: string;
+  desc: string;
+  category: SidewaysFilterCategory;
+  mode: SidewaysFilterMode;
+  /** 내장 필터 템플릿 ID — 로직 생성에 사용 */
+  templateId: string;
+  builtIn?: boolean;
+}
+
+function defaultEntries(): SidewaysFilterPaletteEntry[] {
+  return DEFAULT_SIDEWAYS_FILTER_ITEMS.map(i => ({
+    id: i.id,
+    templateId: i.id,
+    label: i.label,
+    desc: i.desc,
+    category: i.category,
+    mode: i.mode,
+    builtIn: true,
+  }));
+}
+
+function parseStored(raw: unknown): SidewaysFilterPaletteEntry[] | null {
+  if (!Array.isArray(raw)) return null;
+  return raw.filter(
+    (e): e is SidewaysFilterPaletteEntry =>
+      e != null
+      && typeof e === 'object'
+      && typeof (e as SidewaysFilterPaletteEntry).id === 'string'
+      && typeof (e as SidewaysFilterPaletteEntry).templateId === 'string'
+      && typeof (e as SidewaysFilterPaletteEntry).label === 'string',
+  );
+}
+
+function mergeMissingBuiltins(
+  stored: SidewaysFilterPaletteEntry[],
+  defaults: SidewaysFilterPaletteEntry[],
+): SidewaysFilterPaletteEntry[] {
+  const existing = new Set(stored.map(i => i.id));
+  const added = defaults.filter(d => !existing.has(d.id));
+  return added.length > 0 ? [...stored, ...added] : stored;
+}
+
+export function loadSidewaysPaletteItems(): SidewaysFilterPaletteEntry[] {
+  const raw = getUiPreferences().strategyEditor?.paletteSideways;
+  const stored = parseStored(raw);
+  const defaults = defaultEntries();
+  if (!stored?.length) return defaults;
+  return mergeMissingBuiltins(stored, defaults);
+}
+
+export function saveSidewaysPaletteItems(items: SidewaysFilterPaletteEntry[]): void {
+  patchUiPreferences({ strategyEditor: { paletteSideways: items } });
+}
+
+export function createSidewaysFilterPaletteId(): string {
+  return `range-${Date.now()}-${Math.random().toString(36).slice(2, 9)}`;
+}
+
+export function buildSidewaysFilterNode(
+  id: string,
+  def: DefType,
+  entries?: SidewaysFilterPaletteEntry[],
+): LogicNode | null {
+  const list = entries ?? loadSidewaysPaletteItems();
+  const entry = list.find(e => e.id === id);
+  if (!entry) return null;
+  return buildSidewaysFilterLogic(entry.templateId, entry.mode, def);
+}
+
+export const SIDEWAYS_TEMPLATE_OPTIONS = DEFAULT_SIDEWAYS_FILTER_ITEMS.map(i => ({
+  value: i.id,
+  label: i.label,
+  category: i.category,
+  mode: i.mode,
+  desc: i.desc,
+}));
+
+export const SIDEWAYS_CATEGORY_OPTIONS: { value: SidewaysFilterCategory; label: string }[] = [
+  { value: 'adx', label: 'ADX · 추세강도' },
+  { value: 'bollinger', label: '볼린저 밴드' },
+  { value: 'ma', label: 'MA · 이동평균' },
+  { value: 'ichimoku', label: '일목균형표' },
+  { value: 'donchian', label: 'Donchian · 채널' },
+  { value: 'oscillator', label: '오실레이터' },
+  { value: 'cycle', label: 'Stoch·lookback' },
+  { value: 'dmi', label: 'DMI' },
+  { value: 'volume', label: '거래량 · VR' },
+  { value: 'combo', label: '복합 필터' },
+];