diff --git a/src/App.vue b/src/App.vue
index 00bfd6c..6a99540 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -153,835 +153,3 @@ async function searchNode(provider: "google" | "perplexity") {
   </div>
 </template>
 
-<style>
-/* --- 全局基础样式修复 --- */
-:root {
-  --primary-color: #007AFF;
-  --primary-hover: #0063CC;
-  --bg-light: #FBFBFD;
-  --sidebar-bg: #FFFFFF;
-  --text-main: #1D1D1F;
-  --text-sec: #86868B;
-  --border-color: #E5E5E7;
-  --card-shadow: 0 12px 30px rgba(0, 0, 0, 0.04);
-  --btn-shadow: 0 4px 12px rgba(0, 122, 255, 0.25);
-}
-
-* { box-sizing: border-box; margin: 0; padding: 0; }
-
-body { 
-  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", sans-serif; 
-  color: var(--text-main); 
-  background-color: var(--bg-light); 
-  height: 100vh; 
-  overflow: hidden; 
-  -webkit-font-smoothing: antialiased;
-}
-
-#app { height: 100%; }
-
-.app-container { 
-  display: flex; 
-  height: 100%; 
-}
-
-/* --- 侧边栏优化 (清爽浅蓝重构) --- */
-.sidebar { 
-  width: 240px; 
-  background-color: #F8FAFD;
-  border-right: 1px solid #E9EFF6;
-  display: flex; 
-  flex-direction: column; 
-  padding: 40px 0 20px; 
-  z-index: 10;
-}
-
-.sidebar-header { padding: 0 28px 36px; }
-.brand { font-size: 20px; font-weight: 700; color: var(--text-main); letter-spacing: -0.3px; }
-
-
-.sidebar-nav { flex: 1; }
-
-.nav-item, .nav-item-header { 
-  padding: 12px 20px; 
-  margin: 4px 12px;
-  display: flex; 
-  align-items: center; 
-  cursor: pointer; 
-  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1); 
-  color: #4A5568; 
-  font-size: 14px; 
-  font-weight: 500; 
-  border-radius: 12px;
-}
-
-.nav-item:hover, .nav-item-header:hover { 
-  background-color: #EDF2F7; 
-  color: #2D3748;
-}
-
-.nav-item.active { 
-  background-color: #EBF4FF; 
-  color: #04448a; 
-  font-weight: 600; 
-}
-
-.icon { margin-right: 12px; font-size: 18px; width: 24px; text-align: center; }
-
-.arrow { 
-  margin-left: auto; 
-  transition: transform 0.3s; 
-  font-size: 10px; 
-  color: #A0AEC0; 
-}
-.arrow.open { transform: rotate(180deg); color: #4A5568; }
-
-.nav-sub-items { margin-bottom: 8px; }
-.nav-sub-item { 
-  padding: 10px 20px 10px 52px; 
-  margin: 2px 12px;
-  cursor: pointer; 
-  font-size: 13px; 
-  color: #718096; 
-  transition: all 0.2s; 
-  border-radius: 10px;
-}
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-.nav-sub-item:hover { 
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-  color: #2D3748; 
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-.nav-sub-item.active { 
-  color: #007AFF; 
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-  background-color: #EBF4FF; 
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-.sidebar-footer { 
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-}
-.version { 
-  font-size: 12px; 
-  color: #CBD5E0; 
-  font-weight: 500; 
-  letter-spacing: 0.2px;
-  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
-}
-
-/* --- 内容区 --- */
-.content { 
-  flex: 1; 
-  padding: 40px 60px; 
-  overflow-y: auto; 
-  height: 100%;
-  scrollbar-gutter: stable;
-}
-/* 当处于全屏模式（深度分析）时，内容区本身不滚动，让内部树形滚动 */
-.content:has(.page-container.full-width) {
-  overflow-y: hidden;
-  padding-bottom: 24px; /* 调小全屏模式下的底部留白 */
-}
-
-.page-container { max-width: 800px; margin: 0 auto; padding-bottom: 0px; transition: max-width 0.4s ease; }
-.page-container.full-width { 
-  max-width: 1400px; 
-  height: calc(100vh - 64px); /* 相应调整高度计算 */
-  display: flex; 
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-}
-.page-header { 
-  display: flex; 
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-  justify-content: space-between; 
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-.header-info {
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-.page-header h1 { font-size: 22px; font-weight: 700; margin-bottom: 0; color: var(--text-main); line-height: 1.2; }
-.page-header p { color: var(--text-sec); font-size: 13px; margin-bottom: 0; line-height: 1.2; }
-.header-actions { display: flex; align-items: center; }
-
-/* --- 按钮样式重构 --- */
-.btn-primary { 
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-  color: white; 
-  border: none; 
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-.btn-primary:hover { background-color: var(--primary-hover); transform: translateY(-1.5px); box-shadow: 0 6px 16px rgba(0, 122, 255, 0.35); }
-.btn-primary:active { transform: translateY(0); }
-.btn-primary:disabled { background-color: #D1D1D6; box-shadow: none; cursor: not-allowed; transform: none; }
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-.btn-secondary { 
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-.btn-secondary:hover { background-color: #F5F5F7; }
-
-/* --- 扫描结果卡片 (重点优化) --- */
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-
-.result-card { 
-  background: white; 
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-.result-header { margin-bottom: 24px; }
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-.result-stats { 
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-.stat-item { 
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-.stat-value { 
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-.stat-value .unit {
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-.stat-label { font-size: 13px; color: var(--text-sec); font-weight: 500; }
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-.stat-divider { 
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-  margin: 0 16px; 
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-}
-
-.main-btn { width: 180px; }
-
-/* --- 扫描中 UI --- */
-.scan-circle-container { width: 200px; height: 200px; margin: 0 auto; }
-.scan-circle { 
-  width: 100%; height: 100%; border-radius: 50%; border: 2px solid #F2F2F7; 
-  display: flex; align-items: center; justify-content: center; position: relative; 
-}
-.scan-circle.scanning { border-color: transparent; }
-.scan-circle.scanning::before {
-  content: "";
-  position: absolute;
-  top: -2px; left: -2px; right: -2px; bottom: -2px;
-  border-radius: 50%;
-  border: 3px solid var(--primary-color);
-  border-top-color: transparent;
-  animation: spin 1s linear infinite;
-}
-.scan-inner { 
-  width: 168px; height: 168px; border-radius: 50%; background: white; 
-  display: flex; align-items: center; justify-content: center; 
-  cursor: pointer; box-shadow: 0 10px 25px rgba(0,0,0,0.05); transition: transform 0.2s ease; 
-}
-.scan-inner:hover { transform: scale(1.03); }
-.scan-btn-text { font-size: 18px; font-weight: 700; color: var(--primary-color); }
-.scan-percent { font-size: 36px; font-weight: 800; color: var(--primary-color); letter-spacing: -1px; }
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-.stat-value.highlight-gray { color: #8E8E93; }
-
-.done-card { border: 2px solid #E8F5E9; }
-.result-icon.success { color: #34C759; font-size: 48px; margin-bottom: 12px; display: block; }
-.clean-summary { font-size: 18px; color: var(--text-main); font-weight: 700; margin-top: 10px; }
-
-/* --- 高级模式卡片 --- */
-.adv-card-list { display: flex; flex-direction: column; gap: 20px; }
-.adv-card { 
-  background: #fff; 
-  border-radius: 20px; 
-  box-shadow: var(--card-shadow); 
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-.adv-card:hover { transform: translateY(-2px); box-shadow: 0 15px 35px rgba(0,0,0,0.06); }
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-.adv-card-main { 
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-.adv-card-main:hover { background: #FAFAFA; }
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-.adv-card-info { display: flex; align-items: center; gap: 24px; }
-.adv-card-icon { font-size: 32px; }
-.adv-card-text h3 { font-size: 18px; margin-bottom: 4px; font-weight: 700; color: var(--text-main); display: flex; align-items: center; gap: 8px; }
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-.expand-icon { 
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-.btn-action { 
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-.adv-card-detail { 
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-.warning-title { color: #FF9500 !important; margin-top: 20px; }
-.detail-content ul { padding-left: 18px; color: var(--text-sec); font-size: 13px; }
-.detail-content li { margin-bottom: 8px; line-height: 1.4; }
-
-/* --- 磁盘树样式 --- */
-/* .advanced-actions { display: flex; justify-content: center; margin-bottom: 32px; flex-shrink: 0; } */
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-/* --- 通用状态 --- */
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-/* --- 内存清理特有样式 --- */
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-  transform: rotate(-90deg);
-  width: 100%;
-  height: 100%;
-}
-
-.gauge-bg {
-  fill: none;
-  stroke: #F2F2F7;
-  stroke-width: 8;
-}
-
-.gauge-fill {
-  fill: none;
-  stroke: var(--primary-color);
-  stroke-width: 8;
-  stroke-linecap: round;
-  stroke-dasharray: 283;
-  transition: stroke-dashoffset 1s cubic-bezier(0.4, 0, 0.2, 1), stroke 0.3s;
-}
-
-.gauge-content {
-  position: absolute;
-  top: 50%; left: 50%;
-  transform: translate(-50%, -50%);
-  text-align: center;
-  display: flex;
-  flex-direction: column;
-}
-
-.gauge-value {
-  font-size: 64px;
-  font-weight: 800;
-  color: var(--text-main);
-  line-height: 1;
-  letter-spacing: -2px;
-}
-
-.gauge-value small {
-  font-size: 24px;
-  margin-left: 2px;
-  letter-spacing: 0;
-}
-
-.gauge-label {
-  font-size: 14px;
-  color: var(--text-sec);
-  font-weight: 600;
-  margin-top: 4px;
-}
-
-.stats-section {
-  flex: 1;
-  display: flex;
-  flex-direction: column;
-  gap: 20px;
-}
-
-.stat-box-v2 {
-  display: flex;
-  justify-content: space-between;
-  align-items: center;
-  padding: 8px 0;
-}
-
-.stat-box-v2 .label {
-  font-size: 15px;
-  color: var(--text-sec);
-  font-weight: 500;
-}
-
-.stat-box-v2 .value {
-  font-size: 20px;
-  font-weight: 700;
-  color: var(--text-main);
-}
-
-.stat-divider-h {
-  height: 1px;
-  background: #F2F2F7;
-  width: 100%;
-}
-
-.memory-actions-v2 {
-  display: grid;
-  grid-template-columns: 1fr 1fr;
-  gap: 24px;
-}
-
-.action-card {
-  background: white;
-  padding: 32px;
-  border-radius: 28px;
-  display: flex;
-  flex-direction: column;
-  gap: 24px;
-  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
-}
-
-.action-card:hover {
-  transform: translateY(-4px);
-  box-shadow: 0 16px 40px rgba(0,0,0,0.06);
-}
-
-.action-card.secondary {
-  background-color: #FBFBFD;
-  border: 1px dashed var(--border-color);
-  box-shadow: none;
-}
-
-.action-info {
-  flex: 1;
-}
-
-.action-info h3 {
-  font-size: 18px;
-  font-weight: 700;
-  margin-bottom: 8px;
-  color: var(--text-main);
-}
-
-.action-info p {
-  font-size: 13px;
-  color: var(--text-sec);
-  line-height: 1.5;
-}
-
-.action-card .btn-primary, 
-.action-card .btn-secondary {
-  width: 100%;
-  padding: 14px;
-}
-
-.clean-feedback {
-  margin-top: 40px;
-  text-align: center;
-  padding: 20px;
-  background-color: #E8F5E9;
-  color: #2E7D32;
-  border-radius: 20px;
-  font-weight: 600;
-  font-size: 15px;
-  animation: slideUp 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
-}
-
-.freed-amount {
-  font-size: 20px;
-  font-weight: 800;
-  text-decoration: underline;
-}
-
-@keyframes slideUp {
-  from { opacity: 0; transform: translateY(20px); }
-  to { opacity: 1; transform: translateY(0); }
-}
-
-.action-card.cleaning {
-  filter: grayscale(1);
-  opacity: 0.7;
-  pointer-events: none;
-}
-
-/* --- SVG 图标通用样式 --- */
-.svg-icon {
-  display: inline-flex;
-  align-items: center;
-  justify-content: center;
-  vertical-align: middle;
-}
-
-.svg-icon svg {
-  width: 1.25em;
-  height: 1.25em;
-  stroke: currentColor;
-  stroke-width: 2;
-  fill: none;
-  stroke-linecap: round;
-  stroke-linejoin: round;
-}
-
-.svg-icon.big svg {
-  width: 2.5em;
-  height: 2.5em;
-}
-
-.icon.svg-icon {
-  margin-right: 12px;
-  color: inherit;
-}
-
-.icon.svg-icon svg {
-  width: 18px;
-  height: 18px;
-}
-</style>
diff --git a/src/main.ts b/src/main.ts
index b670de8..4492964 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -1,4 +1,7 @@
 import { createApp } from "vue";
 import App from "./App.vue";
+import "./styles/base.css";
+import "./styles/layout.css";
+import "./styles/common.css";
 
 createApp(App).mount("#app");
diff --git a/src/pages/AdvancedCleanPage.vue b/src/pages/AdvancedCleanPage.vue
index 2a2fe61..4d36344 100644
--- a/src/pages/AdvancedCleanPage.vue
+++ b/src/pages/AdvancedCleanPage.vue
@@ -110,3 +110,164 @@ const { expandedAdvanced, loading, runTask } = useAdvancedClean(props.showAlert)
     </div>
   </section>
 </template>
+
+<style scoped>
+.adv-card-list {
+  display: flex;
+  flex-direction: column;
+  gap: 20px;
+}
+
+.adv-card {
+  background: #fff;
+  border-radius: 20px;
+  box-shadow: var(--card-shadow);
+  border: 1px solid rgba(0, 0, 0, 0.02);
+  overflow: hidden;
+  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
+}
+
+.adv-card:hover {
+  transform: translateY(-2px);
+  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.06);
+}
+
+.adv-card-main {
+  padding: 24px 32px;
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  cursor: pointer;
+}
+
+.adv-card-main:hover {
+  background: #fafafa;
+}
+
+.adv-card-info {
+  display: flex;
+  align-items: center;
+  gap: 24px;
+}
+
+.adv-card-icon {
+  font-size: 32px;
+}
+
+.adv-card-text h3 {
+  font-size: 18px;
+  margin-bottom: 4px;
+  font-weight: 700;
+  color: var(--text-main);
+  display: flex;
+  align-items: center;
+  gap: 8px;
+}
+
+.adv-card-text p {
+  color: var(--text-sec);
+  font-size: 14px;
+}
+
+.detail-hint {
+  font-size: 12px;
+  color: var(--text-sec);
+  font-weight: 400;
+  opacity: 0.7;
+}
+
+.adv-card-right {
+  display: flex;
+  align-items: center;
+  gap: 16px;
+}
+
+.expand-icon {
+  width: 32px;
+  height: 32px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  color: #c1c1c1;
+  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
+  border-radius: 50%;
+  background: #f8f9fa;
+}
+
+.expand-icon svg {
+  width: 18px;
+  height: 18px;
+}
+
+.expand-icon.rotated {
+  transform: rotate(180deg);
+  background: #ebf4ff;
+  color: var(--primary-color);
+}
+
+.btn-action {
+  background-color: #f2f2f7;
+  color: var(--primary-color);
+  border: none;
+  padding: 10px 24px;
+  border-radius: 10px;
+  font-weight: 700;
+  font-size: 14px;
+  cursor: pointer;
+  transition: all 0.2s ease;
+  min-width: 90px;
+}
+
+.btn-action:hover {
+  background-color: var(--primary-color);
+  color: #fff;
+  transform: scale(1.05);
+}
+
+.btn-action:disabled {
+  background-color: #e5e5e7;
+  color: #a1a1a1;
+  cursor: not-allowed;
+  transform: none;
+}
+
+.adv-card-detail {
+  padding: 0 32px 32px 88px;
+  border-top: 1px solid #f5f5f7;
+  background: #fcfcfd;
+}
+
+.detail-content {
+  padding-top: 24px;
+}
+
+.detail-content h4 {
+  font-size: 14px;
+  margin-bottom: 10px;
+  color: var(--text-main);
+  font-weight: 700;
+}
+
+.detail-content p {
+  font-size: 14px;
+  color: var(--text-sec);
+  line-height: 1.6;
+  margin-bottom: 16px;
+}
+
+.warning-title {
+  color: #ff9500 !important;
+  margin-top: 20px;
+}
+
+.detail-content ul {
+  padding-left: 18px;
+  color: var(--text-sec);
+  font-size: 13px;
+}
+
+.detail-content li {
+  margin-bottom: 8px;
+  line-height: 1.4;
+}
+</style>
diff --git a/src/pages/DiskAnalysisPage.vue b/src/pages/DiskAnalysisPage.vue
index 329a868..8419fd6 100644
--- a/src/pages/DiskAnalysisPage.vue
+++ b/src/pages/DiskAnalysisPage.vue
@@ -79,3 +79,135 @@ const { isFullScanning, fullScanProgress, treeData, startFullDiskScan, toggleNod
     </div>
   </section>
 </template>
+
+<style scoped>
+.tree-table-container {
+  background: #fff;
+  border-radius: 24px;
+  overflow: hidden;
+  margin-top: 8px;
+  flex: 1;
+  display: flex;
+  flex-direction: column;
+  min-height: 0;
+  box-shadow: var(--card-shadow);
+  border: 1px solid rgba(0, 0, 0, 0.02);
+}
+
+.tree-content-wrapper {
+  flex: 1;
+  display: flex;
+  flex-direction: column;
+  min-height: 0;
+}
+
+.tree-header {
+  display: flex;
+  background: #f9fafb;
+  padding: 16px 24px;
+  font-size: 12px;
+  font-weight: 700;
+  color: var(--text-sec);
+  text-transform: uppercase;
+  letter-spacing: 0.5px;
+  border-bottom: 1px solid var(--border-color);
+  flex-shrink: 0;
+}
+
+.tree-body {
+  flex: 1;
+  overflow-y: auto;
+}
+
+.tree-row {
+  display: flex;
+  align-items: center;
+  padding: 14px 24px;
+  border-bottom: 1px solid #f5f5f7;
+  font-size: 14px;
+  transition: background 0.15s ease;
+}
+
+.tree-row:hover {
+  background: #f9f9fb;
+}
+
+.tree-row.is-file {
+  color: #424245;
+}
+
+.col-name {
+  flex: 2;
+  display: flex;
+  align-items: center;
+  font-weight: 500;
+  min-width: 0;
+}
+
+.node-text {
+  white-space: nowrap;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  flex: 1;
+}
+
+.col-size {
+  width: 100px;
+  text-align: right;
+  font-weight: 600;
+  color: var(--text-main);
+  flex-shrink: 0;
+}
+
+.col-graph {
+  width: 180px;
+  display: flex;
+  align-items: center;
+  gap: 12px;
+  padding-left: 32px;
+  flex-shrink: 0;
+}
+
+.mini-bar-bg {
+  flex: 1;
+  height: 6px;
+  background: #f0f0f2;
+  border-radius: 3px;
+  overflow: hidden;
+}
+
+.mini-bar-fill {
+  height: 100%;
+  background: linear-gradient(90deg, #007aff, #5856d6);
+  border-radius: 3px;
+  transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
+}
+
+.percent-text {
+  font-size: 11px;
+  color: var(--text-sec);
+  width: 32px;
+  font-weight: 600;
+  text-align: right;
+}
+
+.node-toggle {
+  width: 24px;
+  cursor: pointer;
+  color: #c1c1c1;
+  display: inline-block;
+  text-align: center;
+  font-size: 10px;
+  transition: color 0.2s;
+}
+
+.node-toggle:hover {
+  color: var(--primary-color);
+}
+
+.node-icon {
+  width: 24px;
+  font-size: 14px;
+  opacity: 0.7;
+}
+</style>
diff --git a/src/pages/MemoryCleanPage.vue b/src/pages/MemoryCleanPage.vue
index 76c4bb7..b208df3 100644
--- a/src/pages/MemoryCleanPage.vue
+++ b/src/pages/MemoryCleanPage.vue
@@ -76,3 +76,172 @@ const { state, startClean } = useMemoryClean(props.showAlert);
     </div>
   </section>
 </template>
+
+<style scoped>
+.memory-layout-v2 {
+  display: flex;
+  flex-direction: column;
+  gap: 32px;
+  margin-top: 24px;
+}
+
+.memory-main-card {
+  background: white;
+  border-radius: 32px;
+  padding: 48px;
+  display: flex;
+  align-items: center;
+  gap: 60px;
+  box-shadow: var(--card-shadow);
+}
+
+.gauge-section {
+  flex: 0 0 auto;
+}
+
+.memory-gauge {
+  position: relative;
+  width: 240px;
+  height: 240px;
+}
+
+.memory-gauge svg {
+  transform: rotate(-90deg);
+  width: 100%;
+  height: 100%;
+}
+
+.gauge-bg {
+  fill: none;
+  stroke: #f2f2f7;
+  stroke-width: 8;
+}
+
+.gauge-fill {
+  fill: none;
+  stroke: var(--primary-color);
+  stroke-width: 8;
+  stroke-linecap: round;
+  stroke-dasharray: 283;
+  transition: stroke-dashoffset 1s cubic-bezier(0.4, 0, 0.2, 1), stroke 0.3s;
+}
+
+.gauge-content {
+  position: absolute;
+  top: 50%;
+  left: 50%;
+  transform: translate(-50%, -50%);
+  text-align: center;
+  display: flex;
+  flex-direction: column;
+}
+
+.gauge-value {
+  font-size: 64px;
+  font-weight: 800;
+  color: var(--text-main);
+  line-height: 1;
+  letter-spacing: -2px;
+}
+
+.gauge-value small {
+  font-size: 24px;
+  margin-left: 2px;
+  letter-spacing: 0;
+}
+
+.gauge-label {
+  font-size: 14px;
+  color: var(--text-sec);
+  font-weight: 600;
+  margin-top: 4px;
+}
+
+.stats-section {
+  flex: 1;
+  display: flex;
+  flex-direction: column;
+  gap: 20px;
+}
+
+.stat-box-v2 {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  padding: 8px 0;
+}
+
+.stat-box-v2 .label {
+  font-size: 15px;
+  color: var(--text-sec);
+  font-weight: 500;
+}
+
+.stat-box-v2 .value {
+  font-size: 20px;
+  font-weight: 700;
+  color: var(--text-main);
+}
+
+.stat-divider-h {
+  height: 1px;
+  background: #f2f2f7;
+  width: 100%;
+}
+
+.memory-actions-v2 {
+  display: grid;
+  grid-template-columns: 1fr 1fr;
+  gap: 24px;
+}
+
+.action-card {
+  background: white;
+  padding: 32px;
+  border-radius: 28px;
+  display: flex;
+  flex-direction: column;
+  gap: 24px;
+  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
+}
+
+.action-card:hover {
+  transform: translateY(-4px);
+  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.06);
+}
+
+.action-card.secondary {
+  background-color: #fbfbfd;
+  border: 1px dashed var(--border-color);
+  box-shadow: none;
+}
+
+.action-info {
+  flex: 1;
+}
+
+.action-info h3 {
+  font-size: 18px;
+  font-weight: 700;
+  margin-bottom: 8px;
+  color: var(--text-main);
+}
+
+.action-info p {
+  font-size: 13px;
+  color: var(--text-sec);
+  line-height: 1.5;
+}
+
+.action-card :deep(.btn-primary),
+.action-card :deep(.btn-secondary) {
+  width: 100%;
+  padding: 14px;
+}
+
+.action-card.cleaning {
+  filter: grayscale(1);
+  opacity: 0.7;
+  pointer-events: none;
+}
+</style>
diff --git a/src/styles/base.css b/src/styles/base.css
new file mode 100644
index 0000000..aaa8dce
--- /dev/null
+++ b/src/styles/base.css
@@ -0,0 +1,87 @@
+:root {
+  --primary-color: #007aff;
+  --primary-hover: #0063cc;
+  --bg-light: #fbfbfd;
+  --sidebar-bg: #ffffff;
+  --text-main: #1d1d1f;
+  --text-sec: #86868b;
+  --border-color: #e5e5e7;
+  --card-shadow: 0 12px 30px rgba(0, 0, 0, 0.04);
+  --btn-shadow: 0 4px 12px rgba(0, 122, 255, 0.25);
+}
+
+* {
+  box-sizing: border-box;
+  margin: 0;
+  padding: 0;
+}
+
+body {
+  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", sans-serif;
+  color: var(--text-main);
+  background-color: var(--bg-light);
+  height: 100vh;
+  overflow: hidden;
+  -webkit-font-smoothing: antialiased;
+}
+
+#app {
+  height: 100%;
+}
+
+.app-container {
+  display: flex;
+  height: 100%;
+}
+
+.svg-icon {
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  vertical-align: middle;
+}
+
+.svg-icon svg {
+  width: 1.25em;
+  height: 1.25em;
+  stroke: currentColor;
+  stroke-width: 2;
+  fill: none;
+  stroke-linecap: round;
+  stroke-linejoin: round;
+}
+
+.svg-icon.big svg {
+  width: 2.5em;
+  height: 2.5em;
+}
+
+.icon.svg-icon {
+  margin-right: 12px;
+  color: inherit;
+}
+
+.icon.svg-icon svg {
+  width: 18px;
+  height: 18px;
+}
+
+@keyframes spin {
+  0% { transform: rotate(0deg); }
+  100% { transform: rotate(360deg); }
+}
+
+@keyframes fadeIn {
+  from { opacity: 0; }
+  to { opacity: 1; }
+}
+
+@keyframes modalIn {
+  from { opacity: 0; transform: scale(0.9) translateY(20px); }
+  to { opacity: 1; transform: scale(1) translateY(0); }
+}
+
+@keyframes slideUp {
+  from { opacity: 0; transform: translateY(20px); }
+  to { opacity: 1; transform: translateY(0); }
+}
diff --git a/src/styles/common.css b/src/styles/common.css
new file mode 100644
index 0000000..e41879d
--- /dev/null
+++ b/src/styles/common.css
@@ -0,0 +1,508 @@
+.btn-primary {
+  background-color: var(--primary-color);
+  color: white;
+  border: none;
+  padding: 12px 40px;
+  border-radius: 12px;
+  font-size: 15px;
+  font-weight: 600;
+  cursor: pointer;
+  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
+  box-shadow: var(--btn-shadow);
+  flex-shrink: 0;
+}
+
+.btn-sm {
+  padding: 8px 24px;
+  font-size: 14px;
+  border-radius: 10px;
+}
+
+.btn-primary:hover {
+  background-color: var(--primary-hover);
+  transform: translateY(-1.5px);
+  box-shadow: 0 6px 16px rgba(0, 122, 255, 0.35);
+}
+
+.btn-primary:active {
+  transform: translateY(0);
+}
+
+.btn-primary:disabled {
+  background-color: #d1d1d6;
+  box-shadow: none;
+  cursor: not-allowed;
+  transform: none;
+}
+
+.btn-secondary {
+  background-color: white;
+  color: var(--text-main);
+  border: 1px solid var(--border-color);
+  padding: 10px 28px;
+  border-radius: 10px;
+  font-size: 15px;
+  font-weight: 600;
+  cursor: pointer;
+  transition: all 0.2s;
+}
+
+.btn-secondary:hover {
+  background-color: #f5f5f7;
+}
+
+.main-action {
+  margin: 24px 0;
+  display: flex;
+  justify-content: center;
+}
+
+.result-card {
+  background: white;
+  border-radius: 24px;
+  padding: 32px 40px;
+  width: 100%;
+  box-shadow: var(--card-shadow);
+  text-align: center;
+  border: 1px solid rgba(0, 0, 0, 0.02);
+}
+
+.result-header {
+  margin-bottom: 24px;
+}
+
+.result-icon {
+  font-size: 28px;
+  display: block;
+  margin-bottom: 8px;
+}
+
+.result-header h2 {
+  font-size: 20px;
+  font-weight: 700;
+  color: var(--text-main);
+}
+
+.result-stats {
+  display: flex;
+  justify-content: center;
+  align-items: center;
+  margin-bottom: 32px;
+}
+
+.stat-item {
+  flex: 1;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+}
+
+.stat-value {
+  display: flex;
+  align-items: baseline;
+  justify-content: center;
+  font-size: 38px;
+  font-weight: 800;
+  color: var(--primary-color);
+  letter-spacing: -1.2px;
+  line-height: 1;
+  margin-bottom: 6px;
+  white-space: nowrap;
+}
+
+.stat-value .unit {
+  font-size: 14px;
+  font-weight: 700;
+  margin-left: 3px;
+  letter-spacing: 0;
+  opacity: 0.9;
+}
+
+.stat-label {
+  font-size: 13px;
+  color: var(--text-sec);
+  font-weight: 500;
+}
+
+.stat-divider {
+  width: 1px;
+  height: 40px;
+  background-color: #f2f2f7;
+  margin: 0 16px;
+  flex-shrink: 0;
+}
+
+.main-btn {
+  width: 180px;
+}
+
+.scan-circle-container {
+  width: 200px;
+  height: 200px;
+  margin: 0 auto;
+}
+
+.scan-circle {
+  width: 100%;
+  height: 100%;
+  border-radius: 50%;
+  border: 2px solid #f2f2f7;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  position: relative;
+}
+
+.scan-circle.scanning {
+  border-color: transparent;
+}
+
+.scan-circle.scanning::before {
+  content: "";
+  position: absolute;
+  top: -2px;
+  left: -2px;
+  right: -2px;
+  bottom: -2px;
+  border-radius: 50%;
+  border: 3px solid var(--primary-color);
+  border-top-color: transparent;
+  animation: spin 1s linear infinite;
+}
+
+.scan-inner {
+  width: 168px;
+  height: 168px;
+  border-radius: 50%;
+  background: white;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  cursor: pointer;
+  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
+  transition: transform 0.2s ease;
+}
+
+.scan-inner:hover {
+  transform: scale(1.03);
+}
+
+.scan-btn-text {
+  font-size: 18px;
+  font-weight: 700;
+  color: var(--primary-color);
+}
+
+.scan-percent {
+  font-size: 36px;
+  font-weight: 800;
+  color: var(--primary-color);
+  letter-spacing: -1px;
+}
+
+.stat-value.highlight-gray {
+  color: #8e8e93;
+}
+
+.done-card {
+  border: 2px solid #e8f5e9;
+}
+
+.result-icon.success {
+  color: #34c759;
+  font-size: 48px;
+  margin-bottom: 12px;
+  display: block;
+}
+
+.scanning-loader,
+.scanning-overlay {
+  padding: 100px 40px;
+  text-align: center;
+  color: var(--text-sec);
+}
+
+.scanning-status {
+  margin-top: 16px;
+}
+
+.scanning-main-text {
+  font-size: 16px;
+  font-weight: 600;
+  color: var(--text-main);
+  margin-bottom: 12px;
+}
+
+.scanning-stats-row {
+  margin-bottom: 16px;
+}
+
+.stat-badge {
+  background: #ebf4ff;
+  color: var(--primary-color);
+  padding: 6px 16px;
+  border-radius: 20px;
+  font-size: 13px;
+  font-weight: 700;
+}
+
+.scanning-current-path {
+  font-size: 12px;
+  color: var(--text-sec);
+  max-width: 500px;
+  margin: 0 auto;
+  white-space: nowrap;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
+  opacity: 0.8;
+}
+
+.spinner {
+  width: 44px;
+  height: 44px;
+  border: 3px solid #f2f2f7;
+  border-top: 3px solid var(--primary-color);
+  border-radius: 50%;
+  animation: spin 0.8s linear infinite;
+  margin: 0 auto 24px;
+}
+
+.detail-list {
+  background: white;
+  border-radius: 20px;
+  padding: 32px;
+  box-shadow: var(--card-shadow);
+  margin-top: 40px;
+  border: 1px solid rgba(0, 0, 0, 0.02);
+}
+
+.list-header {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  margin-bottom: 20px;
+}
+
+.list-header h3 {
+  font-size: 18px;
+  margin-bottom: 0;
+  font-weight: 700;
+  color: var(--text-main);
+}
+
+.list-actions {
+  display: flex;
+  gap: 8px;
+}
+
+.btn-text {
+  background: none;
+  border: none;
+  color: var(--primary-color);
+  font-size: 12px;
+  font-weight: 600;
+  cursor: pointer;
+  padding: 6px 10px;
+  border-radius: 8px;
+  transition: all 0.2s;
+}
+
+.btn-text:hover {
+  background-color: #f0f7ff;
+}
+
+.detail-item {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  padding: 16px 0;
+  border-bottom: 1px solid #f5f5f7;
+  font-size: 14px;
+  color: #424245;
+  transition: all 0.2s ease;
+  cursor: pointer;
+}
+
+.detail-item:hover {
+  background-color: #fafafb;
+  padding-left: 8px;
+  padding-right: 8px;
+  border-radius: 8px;
+}
+
+.detail-item.disabled {
+  opacity: 0.5;
+}
+
+.detail-item:last-child {
+  border-bottom: none;
+}
+
+.item-info {
+  display: flex;
+  align-items: center;
+  gap: 12px;
+}
+
+.checkbox-container {
+  display: block;
+  position: relative;
+  width: 20px;
+  height: 20px;
+  cursor: pointer;
+  user-select: none;
+}
+
+.checkbox-container input {
+  position: absolute;
+  opacity: 0;
+  cursor: pointer;
+  height: 0;
+  width: 0;
+}
+
+.checkmark {
+  position: absolute;
+  top: 0;
+  left: 0;
+  height: 20px;
+  width: 20px;
+  background-color: #f2f2f7;
+  border-radius: 6px;
+  transition: all 0.2s;
+  border: 1px solid #e5e5e7;
+}
+
+.checkbox-container:hover input ~ .checkmark {
+  background-color: #e5e5e7;
+}
+
+.checkbox-container input:checked ~ .checkmark {
+  background-color: var(--primary-color);
+  border-color: var(--primary-color);
+}
+
+.checkmark:after {
+  content: "";
+  position: absolute;
+  display: none;
+  left: 6px;
+  top: 1px;
+  width: 5px;
+  height: 10px;
+  border: solid white;
+  border-width: 0 2px 2px 0;
+  transform: rotate(45deg);
+}
+
+.checkbox-container input:checked ~ .checkmark:after {
+  display: block;
+}
+
+.item-size {
+  font-weight: 600;
+  color: var(--primary-color);
+}
+
+.modal-overlay {
+  position: fixed;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+  background-color: rgba(0, 0, 0, 0.2);
+  backdrop-filter: blur(8px);
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  z-index: 1000;
+  animation: fadeIn 0.2s ease;
+}
+
+.modal-card {
+  background: white;
+  width: 400px;
+  border-radius: 24px;
+  padding: 32px;
+  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
+  text-align: center;
+  animation: modalIn 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
+}
+
+.modal-header {
+  margin-bottom: 20px;
+}
+
+.modal-icon {
+  font-size: 40px;
+  display: block;
+  margin-bottom: 12px;
+}
+
+.modal-header h3 {
+  font-size: 20px;
+  font-weight: 700;
+  color: var(--text-main);
+}
+
+.modal-card.success .modal-header h3 {
+  color: #34c759;
+}
+
+.modal-card.error .modal-header h3 {
+  color: #ff3b30;
+}
+
+.modal-body {
+  margin-bottom: 32px;
+}
+
+.modal-body p {
+  color: var(--text-sec);
+  font-size: 15px;
+  line-height: 1.6;
+}
+
+.modal-footer {
+  display: flex;
+  justify-content: center;
+}
+
+.context-menu {
+  position: fixed;
+  background: white;
+  min-width: 180px;
+  border-radius: 12px;
+  padding: 6px;
+  z-index: 2000;
+  border: 1px solid rgba(0, 0, 0, 0.08);
+  animation: fadeIn 0.1s ease;
+}
+
+.menu-item {
+  display: flex;
+  align-items: center;
+  gap: 10px;
+  padding: 10px 14px;
+  font-size: 13px;
+  color: var(--text-main);
+  cursor: pointer;
+  border-radius: 8px;
+  transition: background 0.15s;
+}
+
+.menu-item:hover {
+  background-color: #f2f2f7;
+  color: var(--primary-color);
+}
+
+.menu-icon {
+  font-size: 16px;
+}
+
+.menu-divider {
+  height: 1px;
+  background: #f5f5f7;
+  margin: 4px 0;
+}
diff --git a/src/styles/layout.css b/src/styles/layout.css
new file mode 100644
index 0000000..e902505
--- /dev/null
+++ b/src/styles/layout.css
@@ -0,0 +1,183 @@
+.sidebar {
+  width: 240px;
+  background-color: #f8fafd;
+  border-right: 1px solid #e9eff6;
+  display: flex;
+  flex-direction: column;
+  padding: 40px 0 20px;
+  z-index: 10;
+}
+
+.sidebar-header {
+  padding: 0 28px 36px;
+}
+
+.brand {
+  font-size: 20px;
+  font-weight: 700;
+  color: var(--text-main);
+  letter-spacing: -0.3px;
+}
+
+.sidebar-nav {
+  flex: 1;
+}
+
+.nav-item,
+.nav-item-header {
+  padding: 12px 20px;
+  margin: 4px 12px;
+  display: flex;
+  align-items: center;
+  cursor: pointer;
+  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
+  color: #4a5568;
+  font-size: 14px;
+  font-weight: 500;
+  border-radius: 12px;
+}
+
+.nav-item:hover,
+.nav-item-header:hover {
+  background-color: #edf2f7;
+  color: #2d3748;
+}
+
+.nav-item.active {
+  background-color: #ebf4ff;
+  color: #04448a;
+  font-weight: 600;
+}
+
+.icon {
+  margin-right: 12px;
+  font-size: 18px;
+  width: 24px;
+  text-align: center;
+}
+
+.arrow {
+  margin-left: auto;
+  transition: transform 0.3s;
+  font-size: 10px;
+  color: #a0aec0;
+}
+
+.arrow.open {
+  transform: rotate(180deg);
+  color: #4a5568;
+}
+
+.nav-sub-items {
+  margin-bottom: 8px;
+}
+
+.nav-sub-item {
+  padding: 10px 20px 10px 52px;
+  margin: 2px 12px;
+  cursor: pointer;
+  font-size: 13px;
+  color: #718096;
+  transition: all 0.2s;
+  border-radius: 10px;
+}
+
+.nav-sub-item:hover {
+  background-color: #edf2f7;
+  color: #2d3748;
+}
+
+.nav-sub-item.active {
+  color: #007aff;
+  font-weight: 600;
+  background-color: #ebf4ff;
+}
+
+.sidebar-footer {
+  padding: 0 20px;
+  text-align: center;
+}
+
+.version {
+  font-size: 12px;
+  color: #cbd5e0;
+  font-weight: 500;
+  letter-spacing: 0.2px;
+  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
+}
+
+.content {
+  flex: 1;
+  padding: 40px 60px;
+  overflow-y: auto;
+  height: 100%;
+  scrollbar-gutter: stable;
+}
+
+.content:has(.page-container.full-width) {
+  overflow-y: hidden;
+  padding-bottom: 24px;
+}
+
+.page-container {
+  max-width: 800px;
+  margin: 0 auto;
+  padding-bottom: 0;
+  transition: max-width 0.4s ease;
+}
+
+.page-container.full-width {
+  max-width: 1400px;
+  height: calc(100vh - 64px);
+  display: flex;
+  flex-direction: column;
+}
+
+.page-header {
+  display: flex;
+  align-items: flex-end;
+  justify-content: space-between;
+  margin-bottom: 16px;
+  padding-bottom: 16px;
+  border-bottom: 1px solid var(--border-color);
+  flex-shrink: 0;
+}
+
+.header-info {
+  display: flex;
+  flex-direction: column;
+  gap: 4px;
+}
+
+.page-header h1 {
+  font-size: 22px;
+  font-weight: 700;
+  margin-bottom: 0;
+  color: var(--text-main);
+  line-height: 1.2;
+}
+
+.page-header p {
+  color: var(--text-sec);
+  font-size: 13px;
+  margin-bottom: 0;
+  line-height: 1.2;
+}
+
+.header-actions {
+  display: flex;
+  align-items: center;
+}
+
+.placeholder-page {
+  padding-top: 120px;
+  text-align: center;
+  color: var(--text-sec);
+}
+
+.empty-icon {
+  font-size: 64px;
+  display: block;
+  margin-bottom: 24px;
+  opacity: 0.5;
+}