feat: add quick links section to System page

fix: fix log page timestamp display and optimize AuthFiles layout
- Add formatUnixTimestamp utility to auto-detect timestamp precision (s/ms/μs/ns) - Fix incorrect file modification time display in logs page - Remove fixed height constraint from AuthFilesPage model list
2026-02-03 03:10:50 +08:00 · 2025-12-17 18:16:59 +08:00 · 2025-12-17 18:03:25 +08:00 · 2025-12-17 12:14:35 +08:00 · 2025-12-17 00:35:02 +08:00 · 2025-12-16 23:32:49 +08:00
13 changed files with 773 additions and 369 deletions
--- a/.gitignore
+++ b/.gitignore
@@ -6,6 +6,8 @@ yarn-debug.log*
 yarn-error.log*
 pnpm-debug.log*
 lerna-debug.log*
+api.md
+usage.json

 node_modules
 dist
--- a/src/components/ui/icons.tsx
+++ b/src/components/ui/icons.tsx
@@ -266,3 +266,40 @@ export function IconDollarSign({ size = 20, ...props }: IconProps) {
    </svg>
  );
 }
+
+export function IconGithub({ size = 20, ...props }: IconProps) {
+  return (
+    <svg {...baseSvgProps} width={size} height={size} {...props}>
+      <path d="M15 22v-4a4.8 4.8 0 0 0-1-3.5c3 0 6-2 6-5.5.08-1.25-.27-2.48-1-3.5.28-1.15.28-2.35 0-3.5 0 0-1 0-3 1.5-2.64-.5-5.36-.5-8 0C6 2 5 2 5 2c-.3 1.15-.3 2.35 0 3.5A5.403 5.403 0 0 0 4 9c0 3.5 3 5.5 6 5.5-.39.49-.68 1.05-.85 1.65-.17.6-.22 1.23-.15 1.85v4" />
+      <path d="M9 18c-4.51 2-5-2-7-2" />
+    </svg>
+  );
+}
+
+export function IconExternalLink({ size = 20, ...props }: IconProps) {
+  return (
+    <svg {...baseSvgProps} width={size} height={size} {...props}>
+      <path d="M15 3h6v6" />
+      <path d="M10 14 21 3" />
+      <path d="M18 13v6a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V8a2 2 0 0 1 2-2h6" />
+    </svg>
+  );
+}
+
+export function IconBookOpen({ size = 20, ...props }: IconProps) {
+  return (
+    <svg {...baseSvgProps} width={size} height={size} {...props}>
+      <path d="M12 7v14" />
+      <path d="M3 18a1 1 0 0 1-1-1V4a1 1 0 0 1 1-1h5a4 4 0 0 1 4 4 4 4 0 0 1 4-4h5a1 1 0 0 1 1 1v13a1 1 0 0 1-1 1h-6a3 3 0 0 0-3 3 3 3 0 0 0-3-3z" />
+    </svg>
+  );
+}
+
+export function IconCode({ size = 20, ...props }: IconProps) {
+  return (
+    <svg {...baseSvgProps} width={size} height={size} {...props}>
+      <polyline points="16 18 22 12 16 6" />
+      <polyline points="8 6 2 12 8 18" />
+    </svg>
+  );
+}
--- a/src/i18n/locales/en.json
+++ b/src/i18n/locales/en.json
@@ -630,7 +630,15 @@
    "version_is_latest": "You are on the latest version",
    "version_check_error": "Update check failed",
    "version_current_missing": "Server version is unavailable; cannot compare",
-    "version_unknown": "Unknown"
+    "version_unknown": "Unknown",
+    "quick_links_title": "Quick Links",
+    "quick_links_desc": "Access project repositories and documentation for help and updates.",
+    "link_main_repo": "Main Repository",
+    "link_main_repo_desc": "CLI Proxy API core program source code",
+    "link_webui_repo": "WebUI Repository",
+    "link_webui_repo_desc": "Management Center frontend source code",
+    "link_docs": "Documentation",
+    "link_docs_desc": "Usage tutorials and configuration guides"
  },
  "notification": {
    "debug_updated": "Debug settings updated",
--- a/src/i18n/locales/zh-CN.json
+++ b/src/i18n/locales/zh-CN.json
@@ -630,7 +630,15 @@
    "version_is_latest": "当前已是最新版本",
    "version_check_error": "检查更新失败",
    "version_current_missing": "未获取到服务器版本号，暂无法比对",
-    "version_unknown": "未知"
+    "version_unknown": "未知",
+    "quick_links_title": "快捷链接",
+    "quick_links_desc": "访问项目仓库和文档，获取帮助和更新。",
+    "link_main_repo": "主程序仓库",
+    "link_main_repo_desc": "CLI Proxy API 核心程序源代码",
+    "link_webui_repo": "WebUI 仓库",
+    "link_webui_repo_desc": "管理中心前端界面源代码",
+    "link_docs": "使用教程",
+    "link_docs_desc": "配置指南和使用说明"
  },
  "notification": {
    "debug_updated": "调试设置已更新",
--- a/src/pages/AuthFilesPage.module.scss
+++ b/src/pages/AuthFilesPage.module.scss
@@ -417,8 +417,6 @@
  display: flex;
  flex-direction: column;
  gap: $spacing-sm;
-  max-height: 400px;
-  overflow-y: auto;
 }

 .modelItem {
--- a/src/pages/LogsPage.tsx
+++ b/src/pages/LogsPage.tsx
@@ -7,6 +7,7 @@ import { ToggleSwitch } from '@/components/ui/ToggleSwitch';
 import { IconDownload, IconRefreshCw, IconTimer, IconTrash2 } from '@/components/ui/icons';
 import { useNotificationStore, useAuthStore } from '@/stores';
 import { logsApi } from '@/services/api/logs';
+import { formatUnixTimestamp } from '@/utils/format';
 import styles from './LogsPage.module.scss';

 interface ErrorLogItem {
@@ -38,6 +39,7 @@ const LOG_SOURCE_REGEX = /^\[([^\]]+)\]/;
 const LOG_LATENCY_REGEX = /\b(\d+(?:\.\d+)?)(?:\s*)(µs|us|ms|s)\b/i;
 const LOG_IPV4_REGEX = /\b(?:\d{1,3}\.){3}\d{1,3}\b/;
 const LOG_IPV6_REGEX = /\b(?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}\b/i;
+const LOG_TIME_OF_DAY_REGEX = /^\d{1,2}:\d{2}:\d{2}(?:\.\d{1,3})?$/;

 const HTTP_STATUS_PATTERNS: RegExp[] = [
  /\|\s*([1-5]\d{2})\s*\|/,
@@ -58,6 +60,24 @@ const detectHttpStatusCode = (text: string): number | undefined => {
  return undefined;
 };

+const extractIp = (text: string): string | undefined => {
+  const ipv4Match = text.match(LOG_IPV4_REGEX);
+  if (ipv4Match) return ipv4Match[0];
+
+  const ipv6Match = text.match(LOG_IPV6_REGEX);
+  if (!ipv6Match) return undefined;
+
+  const candidate = ipv6Match[0];
+
+  // Avoid treating time strings like "12:34:56" as IPv6 addresses.
+  if (LOG_TIME_OF_DAY_REGEX.test(candidate)) return undefined;
+
+  // If no compression marker is present, a valid IPv6 address must contain 8 hextets.
+  if (!candidate.includes('::') && candidate.split(':').length !== 8) return undefined;
+
+  return candidate;
+};
+
 type ParsedLogLine = {
  raw: string;
  timestamp?: string;
@@ -168,12 +188,12 @@ const parseLogLine = (raw: string): ParsedLogLine => {

    // ip
    const ipIndex = segments.findIndex(
-      (segment) => LOG_IPV4_REGEX.test(segment) || LOG_IPV6_REGEX.test(segment)
+      (segment) => Boolean(extractIp(segment))
    );
    if (ipIndex >= 0) {
-      const match = segments[ipIndex].match(LOG_IPV4_REGEX) ?? segments[ipIndex].match(LOG_IPV6_REGEX);
-      if (match) {
-        ip = match[0];
+      const extracted = extractIp(segments[ipIndex]);
+      if (extracted) {
+        ip = extracted;
        consumed.add(ipIndex);
      }
    }
@@ -197,8 +217,7 @@ const parseLogLine = (raw: string): ParsedLogLine => {
    const latencyMatch = remaining.match(LOG_LATENCY_REGEX);
    if (latencyMatch) latency = `${latencyMatch[1]}${latencyMatch[2]}`;

-    const ipMatch = remaining.match(LOG_IPV4_REGEX) ?? remaining.match(LOG_IPV6_REGEX);
-    if (ipMatch) ip = ipMatch[0];
+    ip = extractIp(remaining);

    const parsed = extractHttpMethodAndPath(remaining);
    method = parsed.method;
@@ -611,7 +630,7 @@ export function LogsPage() {
                  <div className="item-title">{item.name}</div>
                  <div className="item-subtitle">
                    {item.size ? `${(item.size / 1024).toFixed(1)} KB` : ''}{' '}
-                    {item.modified ? new Date(item.modified).toLocaleString() : ''}
+                    {item.modified ? formatUnixTimestamp(item.modified) : ''}
                  </div>
                </div>
                <div className="item-actions">
--- a/src/pages/SystemPage.module.scss
+++ b/src/pages/SystemPage.module.scss
@@ -135,3 +135,81 @@
    }
  }
 }
+
+.quickLinks {
+  display: grid;
+  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
+  gap: $spacing-md;
+}
+
+.linkCard {
+  display: flex;
+  align-items: center;
+  gap: $spacing-md;
+  padding: $spacing-md $spacing-lg;
+  background-color: var(--bg-secondary);
+  border: 1px solid var(--border-color);
+  border-radius: $radius-lg;
+  text-decoration: none;
+  color: inherit;
+  transition: all 0.2s ease;
+
+  &:hover {
+    background-color: var(--bg-hover);
+    border-color: var(--primary-color);
+    transform: translateY(-2px);
+    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
+  }
+
+  &:active {
+    transform: translateY(0);
+  }
+}
+
+.linkIcon {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  width: 44px;
+  height: 44px;
+  border-radius: $radius-md;
+  background-color: var(--primary-color);
+  color: white;
+  flex-shrink: 0;
+
+  &.github {
+    background-color: #24292f;
+  }
+
+  &.docs {
+    background-color: #10b981;
+  }
+}
+
+.linkContent {
+  flex: 1;
+  min-width: 0;
+}
+
+.linkTitle {
+  display: flex;
+  align-items: center;
+  gap: $spacing-xs;
+  font-size: 15px;
+  font-weight: 600;
+  color: var(--text-primary);
+  margin-bottom: 2px;
+
+  svg {
+    opacity: 0.5;
+    flex-shrink: 0;
+  }
+}
+
+.linkDesc {
+  font-size: 13px;
+  color: var(--text-secondary);
+  white-space: nowrap;
+  overflow: hidden;
+  text-overflow: ellipsis;
+}
--- a/src/pages/SystemPage.tsx
+++ b/src/pages/SystemPage.tsx
@@ -2,6 +2,7 @@ import { useCallback, useEffect, useMemo, useRef, useState } from 'react';
 import { useTranslation } from 'react-i18next';
 import { Card } from '@/components/ui/Card';
 import { Button } from '@/components/ui/Button';
+import { IconGithub, IconBookOpen, IconExternalLink, IconCode } from '@/components/ui/icons';
 import { useAuthStore, useConfigStore, useNotificationStore, useModelsStore } from '@/stores';
 import { apiKeysApi } from '@/services/api/apiKeys';
 import { classifyModels } from '@/utils/models';
@@ -148,6 +149,65 @@ export function SystemPage() {
        </div>
      </Card>

+      <Card title={t('system_info.quick_links_title')}>
+        <p className={styles.sectionDescription}>{t('system_info.quick_links_desc')}</p>
+        <div className={styles.quickLinks}>
+          <a
+            href="https://github.com/router-for-me/CLIProxyAPI"
+            target="_blank"
+            rel="noopener noreferrer"
+            className={styles.linkCard}
+          >
+            <div className={`${styles.linkIcon} ${styles.github}`}>
+              <IconGithub size={22} />
+            </div>
+            <div className={styles.linkContent}>
+              <div className={styles.linkTitle}>
+                {t('system_info.link_main_repo')}
+                <IconExternalLink size={14} />
+              </div>
+              <div className={styles.linkDesc}>{t('system_info.link_main_repo_desc')}</div>
+            </div>
+          </a>
+
+          <a
+            href="https://github.com/router-for-me/Cli-Proxy-API-Management-Center"
+            target="_blank"
+            rel="noopener noreferrer"
+            className={styles.linkCard}
+          >
+            <div className={`${styles.linkIcon} ${styles.github}`}>
+              <IconCode size={22} />
+            </div>
+            <div className={styles.linkContent}>
+              <div className={styles.linkTitle}>
+                {t('system_info.link_webui_repo')}
+                <IconExternalLink size={14} />
+              </div>
+              <div className={styles.linkDesc}>{t('system_info.link_webui_repo_desc')}</div>
+            </div>
+          </a>
+
+          <a
+            href="https://help.router-for.me/"
+            target="_blank"
+            rel="noopener noreferrer"
+            className={styles.linkCard}
+          >
+            <div className={`${styles.linkIcon} ${styles.docs}`}>
+              <IconBookOpen size={22} />
+            </div>
+            <div className={styles.linkContent}>
+              <div className={styles.linkTitle}>
+                {t('system_info.link_docs')}
+                <IconExternalLink size={14} />
+              </div>
+              <div className={styles.linkDesc}>{t('system_info.link_docs_desc')}</div>
+            </div>
+          </a>
+        </div>
+      </Card>
+
      <Card
        title={t('system_info.models_title')}
        extra={
--- a/src/pages/UsagePage.module.scss
+++ b/src/pages/UsagePage.module.scss
@@ -5,21 +5,7 @@
  width: 100%;
  display: flex;
  flex-direction: column;
-  gap: 16px;
-
-  // 覆盖Card组件样式 (80%比例)
-  :global(.card) {
-    padding: 12px;
-    border-radius: $radius-md;
-  }
-
-  :global(.card-header) {
-    margin-bottom: 10px;
-
-    .title {
-      font-size: 14px;
-    }
-  }
+  gap: 20px;
 }

 .header {
@@ -40,9 +26,9 @@
 .errorBox {
  padding: 10px;
  background-color: rgba(239, 68, 68, 0.1);
-  border: 1px solid var(--danger-color);
+  border: 1px solid var(--error-color);
  border-radius: $radius-sm;
-  color: var(--danger-color);
+  color: var(--error-color);
  font-size: 12px;
 }

@@ -53,15 +39,11 @@
  padding: 16px;
 }

-// Stats Grid - 五个卡片并排显示 (88%比例，放大10%)
+// Stats Grid
 .statsGrid {
  display: grid;
-  gap: 8px;
-  grid-template-columns: repeat(5, minmax(0, 1fr));
-
-  @include tablet {
-    grid-template-columns: repeat(3, 1fr);
-  }
+  gap: 14px;
+  grid-template-columns: repeat(12, minmax(0, 1fr));

  @include mobile {
    grid-template-columns: 1fr;
@@ -69,22 +51,69 @@
 }

 .statCard {
-  padding: 13px;
-  background-color: var(--bg-primary);
-  border-radius: $radius-md;
+  --accent: #3b82f6;
+  --accent-soft: rgba(59, 130, 246, 0.18);
+  --accent-border: rgba(59, 130, 246, 0.35);
+
+  grid-column: span 4;
+  position: relative;
+  padding: 18px;
+  background:
+    radial-gradient(120% 140% at 12% 0%, var(--accent-soft) 0%, rgba(0, 0, 0, 0) 62%),
+    linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0)),
+    var(--bg-primary);
+  border-radius: $radius-lg;
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
-  gap: 5px;
-  min-height: 143px;
-  box-shadow: $shadow-sm;
+  gap: 10px;
+  min-height: 176px;
+  box-shadow: var(--shadow-lg);
  transition: transform $transition-fast, box-shadow $transition-fast, border-color $transition-fast;
  overflow: hidden;

+  &::before {
+    content: '';
+    position: absolute;
+    top: 0;
+    left: 0;
+    height: 3px;
+    width: 100%;
+    background: linear-gradient(90deg, var(--accent), rgba(0, 0, 0, 0));
+    opacity: 0.95;
+  }
+
  &:hover {
    transform: translateY(-2px);
-    box-shadow: $shadow-md;
-    border-color: rgba(37, 99, 235, 0.2);
+    border-color: var(--accent-border);
+    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.22);
+  }
+
+  @include tablet {
+    grid-column: span 6;
+  }
+
+  @include mobile {
+    grid-column: auto;
+    min-height: 168px;
+  }
+}
+
+.statCard:nth-child(-n + 2) {
+  grid-column: span 6;
+
+  .statValue {
+    font-size: 32px;
+  }
+}
+
+@include mobile {
+  .statCard:nth-child(-n + 2) {
+    grid-column: auto;
+
+    .statValue {
+      font-size: 28px;
+    }
  }
 }

@@ -92,7 +121,7 @@
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
-  gap: 5px;
+  gap: 12px;
 }

 .statLabelGroup {
@@ -102,14 +131,16 @@
 }

 .statIconBadge {
-  width: 29px;
-  height: 29px;
-  border-radius: $radius-sm;
+  width: 34px;
+  height: 34px;
+  border-radius: $radius-md;
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 13px;
-  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.08);
+  background: var(--accent);
+  border: 1px solid rgba(255, 255, 255, 0.08);
+  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.25);
  flex-shrink: 0;

  svg {
@@ -128,18 +159,18 @@
 }

 .statLabel {
-  font-size: 11px;
-  color: var(--text-secondary);
-  font-weight: 600;
-  letter-spacing: 0.01em;
-  text-transform: uppercase;
+  font-size: 12px;
+  color: var(--text-tertiary);
+  font-weight: 700;
+  letter-spacing: 0.02em;
 }

 .statValue {
-  font-size: 20px;
-  font-weight: 700;
+  font-size: 28px;
+  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.2;
+  font-variant-numeric: tabular-nums;
 }

 .statValueRow {
@@ -186,8 +217,8 @@
 .statMetaRow {
  display: flex;
  flex-wrap: wrap;
-  gap: 4px;
-  font-size: 10px;
+  gap: 8px 10px;
+  font-size: 12px;
  color: var(--text-secondary);
 }

@@ -198,8 +229,8 @@
 }

 .statMetaDot {
-  width: 6px;
-  height: 6px;
+  width: 7px;
+  height: 7px;
  border-radius: 50%;
  background-color: var(--text-secondary);
 }
@@ -210,18 +241,18 @@

 .statTrend {
  margin-top: auto;
-  background: var(--bg-secondary, #f6f8fb);
-  border-radius: $radius-sm;
-  padding: 4px;
-  height: 44px;
+  background: var(--bg-tertiary);
+  border-radius: $radius-md;
+  padding: 8px;
+  height: 58px;
  border: 1px solid var(--border-color);
 }

 .statTrendPlaceholder {
  width: 100%;
  height: 100%;
-  background: var(--bg-tertiary, #eef1f6);
-  border-radius: $radius-sm;
+  background: var(--bg-secondary);
+  border-radius: $radius-md;
 }

 .sparkline {
@@ -257,7 +288,7 @@
  transition: background-color 0.15s ease;

  &:hover {
-    background-color: var(--bg-hover);
+    background-color: var(--bg-tertiary);
  }
 }

@@ -272,7 +303,7 @@
 .apiEndpoint {
  font-weight: 600;
  color: var(--text-primary);
-  font-size: 12px;
+  font-size: 13px;
  word-break: break-all;
 }

@@ -283,16 +314,17 @@
 }

 .apiBadge {
-  font-size: 10px;
+  font-size: 11px;
  color: var(--text-secondary);
-  background-color: var(--bg-tertiary);
-  padding: 1px 6px;
-  border-radius: $radius-sm;
+  background-color: var(--bg-primary);
+  border: 1px solid var(--border-color);
+  padding: 2px 8px;
+  border-radius: $radius-full;
 }

 .expandIcon {
  color: var(--text-secondary);
-  font-size: 10px;
+  font-size: 12px;
  margin-left: 6px;
 }

@@ -311,10 +343,11 @@
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 10px;
-  padding: 3px 6px;
+  padding: 8px 10px;
  background-color: var(--bg-primary);
-  border-radius: $radius-sm;
-  font-size: 11px;
+  border: 1px solid var(--border-color);
+  border-radius: $radius-md;
+  font-size: 12px;

  @include mobile {
    grid-template-columns: 1fr;
@@ -345,17 +378,17 @@
 .table {
  width: 100%;
  border-collapse: collapse;
-  font-size: 11px;
+  font-size: 12px;

  th, td {
-    padding: 6px 10px;
+    padding: 10px 12px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
  }

  th {
    font-weight: 600;
-    color: var(--text-secondary);
+    color: var(--text-tertiary);
    background-color: var(--bg-secondary);
    white-space: nowrap;
  }
@@ -365,7 +398,7 @@
  }

  tbody tr:hover {
-    background-color: var(--bg-hover);
+    background-color: var(--bg-tertiary);
  }
 }

@@ -535,13 +568,13 @@
 }

 .chartWrapper {
-  padding: 12px;
-  background-color: var(--bg-primary);
-  border-radius: $radius-md;
+  padding: 14px;
+  background-color: var(--bg-secondary);
+  border-radius: $radius-lg;
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
-  gap: 10px;
+  gap: 12px;
 }

 .chartLegend {
@@ -566,7 +599,11 @@
  gap: 6px;
  min-width: 0;
  max-width: 240px;
-  font-size: 11px;
+  padding: 4px 10px;
+  border-radius: $radius-full;
+  border: 1px solid var(--border-color);
+  background: var(--bg-primary);
+  font-size: 12px;
  color: var(--text-secondary);

  @include mobile {
@@ -588,10 +625,10 @@
 }

 .chartArea {
-  height: 240px;
+  height: 280px;

  @include mobile {
-    height: 280px;
+    height: 320px;
  }
 }

@@ -616,63 +653,85 @@

 .periodButtons {
  display: flex;
-  gap: 3px;
+  gap: 6px;
 }

-// Chart Line Controls (80%比例)
-.chartLineControls {
-  display: flex;
-  justify-content: space-between;
-  align-items: flex-start;
-  gap: 16px;
-  flex-wrap: wrap;
+.chartsGrid {
+  display: grid;
+  gap: 20px;
+  grid-template-columns: minmax(0, 1fr);

-  @include mobile {
-    flex-direction: column;
+  > * {
+    min-width: 0;
+  }
+
+  @include desktop {
+    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
 }

+.detailsGrid {
+  display: grid;
+  gap: 20px;
+  grid-template-columns: minmax(0, 1fr);
+
+  > * {
+    min-width: 0;
+  }
+
+  @include desktop {
+    grid-template-columns: repeat(2, minmax(0, 1fr));
+  }
+}
+
+.chartLineHeader {
+  display: inline-flex;
+  align-items: center;
+  gap: 10px;
+}
+
 .chartLineList {
-  display: flex;
-  flex-direction: column;
-  gap: 6px;
-  flex: 1;
+  display: grid;
+  grid-template-columns: repeat(2, minmax(0, 1fr));
+  gap: 12px;
+
+  @include mobile {
+    grid-template-columns: 1fr;
+  }
 }

 .chartLineItem {
-  display: flex;
+  display: grid;
+  grid-template-columns: auto 1fr auto;
  align-items: center;
-  gap: 6px;
-  flex-wrap: wrap;
+  gap: 10px;
+  padding: 12px;
+  background: var(--bg-secondary);
+  border: 1px solid var(--border-color);
+  border-radius: $radius-md;

  @include mobile {
-    flex-direction: column;
-    align-items: flex-start;
+    grid-template-columns: 1fr;
+    align-items: stretch;
+    gap: 8px;
  }
 }

 .chartLineLabel {
-  font-size: 11px;
+  font-size: 12px;
  color: var(--text-secondary);
-  min-width: 48px;
-}
-
-.chartLineActions {
-  display: flex;
-  align-items: center;
-  gap: 6px;
-  flex-shrink: 0;
+  font-weight: 600;
+  min-width: 64px;
 }

 .chartLineCount {
-  font-size: 11px;
+  font-size: 12px;
  color: var(--text-secondary);
  font-weight: 500;
 }

 .chartLineHint {
-  font-size: 10px;
+  font-size: 12px;
  color: var(--text-tertiary);
-  margin: 6px 0 0 0;
-  font-style: italic;
+  margin: 10px 0 0 0;
 }
--- a/src/pages/UsagePage.tsx
+++ b/src/pages/UsagePage.tsx
@@ -1,4 +1,4 @@
-import { useEffect, useState, useCallback, useMemo } from 'react';
+import { useEffect, useState, useCallback, useMemo, type CSSProperties } from 'react';
 import { useTranslation } from 'react-i18next';
 import {
  Chart as ChartJS,
@@ -18,6 +18,7 @@ import { Button } from '@/components/ui/Button';
 import { Input } from '@/components/ui/Input';
 import { IconDiamond, IconDollarSign, IconSatellite, IconTimer, IconTrendingUp } from '@/components/ui/icons';
 import { useMediaQuery } from '@/hooks/useMediaQuery';
+import { useThemeStore } from '@/stores';
 import { usageApi } from '@/services/api/usage';
 import {
  formatTokensInMillions,
@@ -55,13 +56,15 @@ interface UsagePayload {
  success_count?: number;
  failure_count?: number;
  total_tokens?: number;
-  apis?: Record<string, any>;
-  [key: string]: any;
+  apis?: Record<string, unknown>;
+  [key: string]: unknown;
 }

 export function UsagePage() {
  const { t } = useTranslation();
  const isMobile = useMediaQuery('(max-width: 768px)');
+  const theme = useThemeStore((state) => state.theme);
+  const isDark = theme === 'dark';

  const [usage, setUsage] = useState<UsagePayload | null>(null);
  const [loading, setLoading] = useState(true);
@@ -90,8 +93,9 @@ export function UsagePage() {
      const data = await usageApi.getUsage();
      const payload = data?.usage ?? data;
      setUsage(payload);
-    } catch (err: any) {
-      setError(err?.message || t('usage_stats.loading_error'));
+    } catch (err: unknown) {
+      const message = err instanceof Error ? err.message : t('usage_stats.loading_error');
+      setError(message);
    } finally {
      setLoading(false);
    }
@@ -200,23 +204,23 @@ export function UsagePage() {
  );

  const requestsSparkline = useMemo(
-    () => buildSparkline(buildLastHourSeries('requests'), '#2563eb', 'rgba(37, 99, 235, 0.12)'),
+    () => buildSparkline(buildLastHourSeries('requests'), '#3b82f6', 'rgba(59, 130, 246, 0.18)'),
    [buildLastHourSeries, buildSparkline]
  );
  const tokensSparkline = useMemo(
-    () => buildSparkline(buildLastHourSeries('tokens'), '#8b5cf6', 'rgba(139, 92, 246, 0.12)'),
+    () => buildSparkline(buildLastHourSeries('tokens'), '#8b5cf6', 'rgba(139, 92, 246, 0.18)'),
    [buildLastHourSeries, buildSparkline]
  );
  const rpmSparkline = useMemo(
-    () => buildSparkline(buildLastHourSeries('requests'), '#22c55e', 'rgba(34, 197, 94, 0.12)'),
+    () => buildSparkline(buildLastHourSeries('requests'), '#22c55e', 'rgba(34, 197, 94, 0.18)'),
    [buildLastHourSeries, buildSparkline]
  );
  const tpmSparkline = useMemo(
-    () => buildSparkline(buildLastHourSeries('tokens'), '#f97316', 'rgba(249, 115, 22, 0.12)'),
+    () => buildSparkline(buildLastHourSeries('tokens'), '#f97316', 'rgba(249, 115, 22, 0.18)'),
    [buildLastHourSeries, buildSparkline]
  );
  const costSparkline = useMemo(
-    () => buildSparkline(buildLastHourSeries('tokens'), '#f59e0b', 'rgba(245, 158, 11, 0.12)'),
+    () => buildSparkline(buildLastHourSeries('tokens'), '#f59e0b', 'rgba(245, 158, 11, 0.18)'),
    [buildLastHourSeries, buildSparkline]
  );

@@ -225,6 +229,13 @@ export function UsagePage() {
      const pointRadius = isMobile && period === 'hour' ? 0 : isMobile ? 2 : 4;
      const tickFontSize = isMobile ? 10 : 12;
      const maxTickLabelCount = isMobile ? (period === 'hour' ? 8 : 6) : period === 'hour' ? 12 : 10;
+      const gridColor = isDark ? 'rgba(255, 255, 255, 0.06)' : 'rgba(17, 24, 39, 0.06)';
+      const axisBorderColor = isDark ? 'rgba(255, 255, 255, 0.10)' : 'rgba(17, 24, 39, 0.10)';
+      const tickColor = isDark ? 'rgba(255, 255, 255, 0.72)' : 'rgba(17, 24, 39, 0.72)';
+      const tooltipBg = isDark ? 'rgba(17, 24, 39, 0.92)' : 'rgba(255, 255, 255, 0.98)';
+      const tooltipTitle = isDark ? '#ffffff' : '#111827';
+      const tooltipBody = isDark ? 'rgba(255, 255, 255, 0.86)' : '#374151';
+      const tooltipBorder = isDark ? 'rgba(255, 255, 255, 0.10)' : 'rgba(17, 24, 39, 0.10)';

      return {
        responsive: true,
@@ -234,11 +245,29 @@ export function UsagePage() {
          intersect: false
        },
        plugins: {
-          legend: { display: false }
+          legend: { display: false },
+          tooltip: {
+            backgroundColor: tooltipBg,
+            titleColor: tooltipTitle,
+            bodyColor: tooltipBody,
+            borderColor: tooltipBorder,
+            borderWidth: 1,
+            padding: 10,
+            displayColors: true,
+            usePointStyle: true
+          }
        },
        scales: {
          x: {
+            grid: {
+              color: gridColor,
+              drawTicks: false
+            },
+            border: {
+              color: axisBorderColor
+            },
            ticks: {
+              color: tickColor,
              font: { size: tickFontSize },
              maxRotation: isMobile ? 0 : 45,
              minRotation: isMobile ? 0 : 0,
@@ -270,7 +299,14 @@ export function UsagePage() {
          },
          y: {
            beginAtZero: true,
+            grid: {
+              color: gridColor
+            },
+            border: {
+              color: axisBorderColor
+            },
            ticks: {
+              color: tickColor,
              font: { size: tickFontSize }
            }
          }
@@ -288,7 +324,7 @@ export function UsagePage() {
        }
      };
    },
-    [isMobile]
+    [isDark, isMobile]
  );

  const requestsChartOptions = useMemo(
@@ -386,7 +422,9 @@ export function UsagePage() {
      key: 'requests',
      label: t('usage_stats.total_requests'),
      icon: <IconSatellite size={16} />,
-      accent: '#2563eb',
+      accent: '#3b82f6',
+      accentSoft: 'rgba(59, 130, 246, 0.18)',
+      accentBorder: 'rgba(59, 130, 246, 0.35)',
      value: loading ? '-' : (usage?.total_requests ?? 0).toLocaleString(),
      meta: (
        <>
@@ -407,6 +445,8 @@ export function UsagePage() {
      label: t('usage_stats.total_tokens'),
      icon: <IconDiamond size={16} />,
      accent: '#8b5cf6',
+      accentSoft: 'rgba(139, 92, 246, 0.18)',
+      accentBorder: 'rgba(139, 92, 246, 0.35)',
      value: loading ? '-' : formatTokensInMillions(usage?.total_tokens ?? 0),
      meta: (
        <>
@@ -425,6 +465,8 @@ export function UsagePage() {
      label: t('usage_stats.rpm_30m'),
      icon: <IconTimer size={16} />,
      accent: '#22c55e',
+      accentSoft: 'rgba(34, 197, 94, 0.18)',
+      accentBorder: 'rgba(34, 197, 94, 0.32)',
      value: loading ? '-' : formatPerMinuteValue(rateStats.rpm),
      meta: (
        <span className={styles.statMetaItem}>
@@ -438,6 +480,8 @@ export function UsagePage() {
      label: t('usage_stats.tpm_30m'),
      icon: <IconTrendingUp size={16} />,
      accent: '#f97316',
+      accentSoft: 'rgba(249, 115, 22, 0.18)',
+      accentBorder: 'rgba(249, 115, 22, 0.32)',
      value: loading ? '-' : formatPerMinuteValue(rateStats.tpm),
      meta: (
        <span className={styles.statMetaItem}>
@@ -451,6 +495,8 @@ export function UsagePage() {
      label: t('usage_stats.total_cost'),
      icon: <IconDollarSign size={16} />,
      accent: '#f59e0b',
+      accentSoft: 'rgba(245, 158, 11, 0.18)',
+      accentBorder: 'rgba(245, 158, 11, 0.32)',
      value: loading ? '-' : hasPrices ? formatUsd(totalCost) : '--',
      meta: (
        <>
@@ -487,15 +533,22 @@ export function UsagePage() {
      {/* Stats Overview Cards */}
      <div className={styles.statsGrid}>
        {statsCards.map(card => (
-          <div key={card.key} className={styles.statCard}>
+          <div
+            key={card.key}
+            className={styles.statCard}
+            style={
+              {
+                '--accent': card.accent,
+                '--accent-soft': card.accentSoft,
+                '--accent-border': card.accentBorder
+              } as CSSProperties
+            }
+          >
            <div className={styles.statCardHeader}>
              <div className={styles.statLabelGroup}>
                <span className={styles.statLabel}>{card.label}</span>
              </div>
-              <span
-                className={styles.statIconBadge}
-                style={{ backgroundColor: card.accent }}
-              >
+              <span className={styles.statIconBadge}>
                {card.icon}
              </span>
            </div>
@@ -513,37 +566,10 @@ export function UsagePage() {
      </div>

      {/* Chart Line Selection */}
-      <Card title={t('usage_stats.chart_line_actions_label')}>
-        <div className={styles.chartLineControls}>
-          <div className={styles.chartLineList}>
-            {chartLines.map((line, index) => (
-              <div key={index} className={styles.chartLineItem}>
-                <span className={styles.chartLineLabel}>
-                  {t(`usage_stats.chart_line_label_${index + 1}`)}:
-                </span>
-                <select
-                  value={line}
-                  onChange={(e) => handleChartLineChange(index, e.target.value)}
-                  className={styles.select}
-                >
-                  <option value="all">{t('usage_stats.chart_line_all')}</option>
-                  {modelNames.map((name) => (
-                    <option key={name} value={name}>{name}</option>
-                  ))}
-                </select>
-                {chartLines.length > 1 && (
-                  <Button
-                    variant="danger"
-                    size="sm"
-                    onClick={() => handleRemoveChartLine(index)}
-                  >
-                    {t('usage_stats.chart_line_delete')}
-                  </Button>
-                )}
-              </div>
-            ))}
-          </div>
-          <div className={styles.chartLineActions}>
+      <Card
+        title={t('usage_stats.chart_line_actions_label')}
+        extra={
+          <div className={styles.chartLineHeader}>
            <span className={styles.chartLineCount}>
              {chartLines.length}/{MAX_CHART_LINES}
            </span>
@@ -556,208 +582,241 @@ export function UsagePage() {
              {t('usage_stats.chart_line_add')}
            </Button>
          </div>
+        }
+      >
+        <div className={styles.chartLineList}>
+          {chartLines.map((line, index) => (
+            <div key={index} className={styles.chartLineItem}>
+              <span className={styles.chartLineLabel}>
+                {t(`usage_stats.chart_line_label_${index + 1}`)}
+              </span>
+              <select
+                value={line}
+                onChange={(e) => handleChartLineChange(index, e.target.value)}
+                className={styles.select}
+              >
+                <option value="all">{t('usage_stats.chart_line_all')}</option>
+                {modelNames.map((name) => (
+                  <option key={name} value={name}>{name}</option>
+                ))}
+              </select>
+              {chartLines.length > 1 && (
+                <Button
+                  variant="danger"
+                  size="sm"
+                  onClick={() => handleRemoveChartLine(index)}
+                >
+                  {t('usage_stats.chart_line_delete')}
+                </Button>
+              )}
+            </div>
+          ))}
        </div>
        <p className={styles.chartLineHint}>{t('usage_stats.chart_line_hint')}</p>
      </Card>

-      {/* Requests Chart */}
-      <Card
-        title={t('usage_stats.requests_trend')}
-        extra={
-          <div className={styles.periodButtons}>
-            <Button
-              variant={requestsPeriod === 'hour' ? 'primary' : 'secondary'}
-              size="sm"
-              onClick={() => setRequestsPeriod('hour')}
-            >
-              {t('usage_stats.by_hour')}
-            </Button>
-            <Button
-              variant={requestsPeriod === 'day' ? 'primary' : 'secondary'}
-              size="sm"
-              onClick={() => setRequestsPeriod('day')}
-            >
-              {t('usage_stats.by_day')}
-            </Button>
-          </div>
-        }
-      >
-        {loading ? (
-          <div className={styles.hint}>{t('common.loading')}</div>
-        ) : requestsChartData.labels.length > 0 ? (
-          <div className={styles.chartWrapper}>
-            <div className={styles.chartLegend} aria-label="Chart legend">
-              {requestsChartData.datasets.map((dataset, index) => (
-                <div
-                  key={`${dataset.label}-${index}`}
-                  className={styles.legendItem}
-                  title={dataset.label}
-                >
-                  <span className={styles.legendDot} style={{ backgroundColor: dataset.borderColor }} />
-                  <span className={styles.legendLabel}>{dataset.label}</span>
-                </div>
-              ))}
+      <div className={styles.chartsGrid}>
+        {/* Requests Chart */}
+        <Card
+          title={t('usage_stats.requests_trend')}
+          extra={
+            <div className={styles.periodButtons}>
+              <Button
+                variant={requestsPeriod === 'hour' ? 'primary' : 'secondary'}
+                size="sm"
+                onClick={() => setRequestsPeriod('hour')}
+              >
+                {t('usage_stats.by_hour')}
+              </Button>
+              <Button
+                variant={requestsPeriod === 'day' ? 'primary' : 'secondary'}
+                size="sm"
+                onClick={() => setRequestsPeriod('day')}
+              >
+                {t('usage_stats.by_day')}
+              </Button>
            </div>
-            <div className={styles.chartArea}>
-              <div className={styles.chartScroller}>
-                <div
-                  className={styles.chartCanvas}
-                  style={
-                    requestsPeriod === 'hour'
-                      ? { minWidth: getHourChartMinWidth(requestsChartData.labels.length) }
-                      : undefined
-                  }
-                >
-                  <Line data={requestsChartData} options={requestsChartOptions} />
-                </div>
-              </div>
-            </div>
-          </div>
-        ) : (
-          <div className={styles.hint}>{t('usage_stats.no_data')}</div>
-        )}
-      </Card>
-
-      {/* Tokens Chart */}
-      <Card
-        title={t('usage_stats.tokens_trend')}
-        extra={
-          <div className={styles.periodButtons}>
-            <Button
-              variant={tokensPeriod === 'hour' ? 'primary' : 'secondary'}
-              size="sm"
-              onClick={() => setTokensPeriod('hour')}
-            >
-              {t('usage_stats.by_hour')}
-            </Button>
-            <Button
-              variant={tokensPeriod === 'day' ? 'primary' : 'secondary'}
-              size="sm"
-              onClick={() => setTokensPeriod('day')}
-            >
-              {t('usage_stats.by_day')}
-            </Button>
-          </div>
-        }
-      >
-        {loading ? (
-          <div className={styles.hint}>{t('common.loading')}</div>
-        ) : tokensChartData.labels.length > 0 ? (
-          <div className={styles.chartWrapper}>
-            <div className={styles.chartLegend} aria-label="Chart legend">
-              {tokensChartData.datasets.map((dataset, index) => (
-                <div
-                  key={`${dataset.label}-${index}`}
-                  className={styles.legendItem}
-                  title={dataset.label}
-                >
-                  <span className={styles.legendDot} style={{ backgroundColor: dataset.borderColor }} />
-                  <span className={styles.legendLabel}>{dataset.label}</span>
-                </div>
-              ))}
-            </div>
-            <div className={styles.chartArea}>
-              <div className={styles.chartScroller}>
-                <div
-                  className={styles.chartCanvas}
-                  style={
-                    tokensPeriod === 'hour'
-                      ? { minWidth: getHourChartMinWidth(tokensChartData.labels.length) }
-                      : undefined
-                  }
-                >
-                  <Line data={tokensChartData} options={tokensChartOptions} />
-                </div>
-              </div>
-            </div>
-          </div>
-        ) : (
-          <div className={styles.hint}>{t('usage_stats.no_data')}</div>
-        )}
-      </Card>
-
-      {/* API Key Statistics */}
-      <Card title={t('usage_stats.api_details')}>
-        {loading ? (
-          <div className={styles.hint}>{t('common.loading')}</div>
-        ) : apiStats.length > 0 ? (
-          <div className={styles.apiList}>
-            {apiStats.map((api) => (
-              <div key={api.endpoint} className={styles.apiItem}>
-                <div
-                  className={styles.apiHeader}
-                  onClick={() => toggleApiExpand(api.endpoint)}
-                >
-                  <div className={styles.apiInfo}>
-                    <span className={styles.apiEndpoint}>{api.endpoint}</span>
-                    <div className={styles.apiStats}>
-                      <span className={styles.apiBadge}>
-                        {t('usage_stats.requests_count')}: {api.totalRequests}
-                      </span>
-                      <span className={styles.apiBadge}>
-                        Tokens: {formatTokensInMillions(api.totalTokens)}
-                      </span>
-                      {hasPrices && api.totalCost > 0 && (
-                        <span className={styles.apiBadge}>
-                          {t('usage_stats.total_cost')}: {formatUsd(api.totalCost)}
-                        </span>
-                      )}
-                    </div>
+          }
+        >
+          {loading ? (
+            <div className={styles.hint}>{t('common.loading')}</div>
+          ) : requestsChartData.labels.length > 0 ? (
+            <div className={styles.chartWrapper}>
+              <div className={styles.chartLegend} aria-label="Chart legend">
+                {requestsChartData.datasets.map((dataset, index) => (
+                  <div
+                    key={`${dataset.label}-${index}`}
+                    className={styles.legendItem}
+                    title={dataset.label}
+                  >
+                    <span className={styles.legendDot} style={{ backgroundColor: dataset.borderColor }} />
+                    <span className={styles.legendLabel}>{dataset.label}</span>
                  </div>
-                  <span className={styles.expandIcon}>
-                    {expandedApis.has(api.endpoint) ? '▼' : '▶'}
-                  </span>
-                </div>
-                {expandedApis.has(api.endpoint) && (
-                  <div className={styles.apiModels}>
-                    {Object.entries(api.models).map(([model, stats]) => (
-                      <div key={model} className={styles.modelRow}>
-                        <span className={styles.modelName}>{model}</span>
-                        <span className={styles.modelStat}>{stats.requests} {t('usage_stats.requests_count')}</span>
-                        <span className={styles.modelStat}>{formatTokensInMillions(stats.tokens)}</span>
-                      </div>
-                    ))}
-                  </div>
-                )}
-              </div>
-            ))}
-          </div>
-        ) : (
-          <div className={styles.hint}>{t('usage_stats.no_data')}</div>
-        )}
-      </Card>
-
-      {/* Model Statistics */}
-      <Card title={t('usage_stats.models')}>
-        {loading ? (
-          <div className={styles.hint}>{t('common.loading')}</div>
-        ) : modelStats.length > 0 ? (
-          <div className={styles.tableWrapper}>
-            <table className={styles.table}>
-              <thead>
-                <tr>
-                  <th>{t('usage_stats.model_name')}</th>
-                  <th>{t('usage_stats.requests_count')}</th>
-                  <th>{t('usage_stats.tokens_count')}</th>
-                  {hasPrices && <th>{t('usage_stats.total_cost')}</th>}
-                </tr>
-              </thead>
-              <tbody>
-                {modelStats.map((stat) => (
-                  <tr key={stat.model}>
-                    <td className={styles.modelCell}>{stat.model}</td>
-                    <td>{stat.requests.toLocaleString()}</td>
-                    <td>{formatTokensInMillions(stat.tokens)}</td>
-                    {hasPrices && <td>{stat.cost > 0 ? formatUsd(stat.cost) : '--'}</td>}
-                  </tr>
                ))}
-              </tbody>
-            </table>
-          </div>
-        ) : (
-          <div className={styles.hint}>{t('usage_stats.no_data')}</div>
-        )}
-      </Card>
+              </div>
+              <div className={styles.chartArea}>
+                <div className={styles.chartScroller}>
+                  <div
+                    className={styles.chartCanvas}
+                    style={
+                      requestsPeriod === 'hour'
+                        ? { minWidth: getHourChartMinWidth(requestsChartData.labels.length) }
+                        : undefined
+                    }
+                  >
+                    <Line data={requestsChartData} options={requestsChartOptions} />
+                  </div>
+                </div>
+              </div>
+            </div>
+          ) : (
+            <div className={styles.hint}>{t('usage_stats.no_data')}</div>
+          )}
+        </Card>
+
+        {/* Tokens Chart */}
+        <Card
+          title={t('usage_stats.tokens_trend')}
+          extra={
+            <div className={styles.periodButtons}>
+              <Button
+                variant={tokensPeriod === 'hour' ? 'primary' : 'secondary'}
+                size="sm"
+                onClick={() => setTokensPeriod('hour')}
+              >
+                {t('usage_stats.by_hour')}
+              </Button>
+              <Button
+                variant={tokensPeriod === 'day' ? 'primary' : 'secondary'}
+                size="sm"
+                onClick={() => setTokensPeriod('day')}
+              >
+                {t('usage_stats.by_day')}
+              </Button>
+            </div>
+          }
+        >
+          {loading ? (
+            <div className={styles.hint}>{t('common.loading')}</div>
+          ) : tokensChartData.labels.length > 0 ? (
+            <div className={styles.chartWrapper}>
+              <div className={styles.chartLegend} aria-label="Chart legend">
+                {tokensChartData.datasets.map((dataset, index) => (
+                  <div
+                    key={`${dataset.label}-${index}`}
+                    className={styles.legendItem}
+                    title={dataset.label}
+                  >
+                    <span className={styles.legendDot} style={{ backgroundColor: dataset.borderColor }} />
+                    <span className={styles.legendLabel}>{dataset.label}</span>
+                  </div>
+                ))}
+              </div>
+              <div className={styles.chartArea}>
+                <div className={styles.chartScroller}>
+                  <div
+                    className={styles.chartCanvas}
+                    style={
+                      tokensPeriod === 'hour'
+                        ? { minWidth: getHourChartMinWidth(tokensChartData.labels.length) }
+                        : undefined
+                    }
+                  >
+                    <Line data={tokensChartData} options={tokensChartOptions} />
+                  </div>
+                </div>
+              </div>
+            </div>
+          ) : (
+            <div className={styles.hint}>{t('usage_stats.no_data')}</div>
+          )}
+        </Card>
+      </div>
+
+      <div className={styles.detailsGrid}>
+        {/* API Key Statistics */}
+        <Card title={t('usage_stats.api_details')}>
+          {loading ? (
+            <div className={styles.hint}>{t('common.loading')}</div>
+          ) : apiStats.length > 0 ? (
+            <div className={styles.apiList}>
+              {apiStats.map((api) => (
+                <div key={api.endpoint} className={styles.apiItem}>
+                  <div
+                    className={styles.apiHeader}
+                    onClick={() => toggleApiExpand(api.endpoint)}
+                  >
+                    <div className={styles.apiInfo}>
+                      <span className={styles.apiEndpoint}>{api.endpoint}</span>
+                      <div className={styles.apiStats}>
+                        <span className={styles.apiBadge}>
+                          {t('usage_stats.requests_count')}: {api.totalRequests}
+                        </span>
+                        <span className={styles.apiBadge}>
+                          Tokens: {formatTokensInMillions(api.totalTokens)}
+                        </span>
+                        {hasPrices && api.totalCost > 0 && (
+                          <span className={styles.apiBadge}>
+                            {t('usage_stats.total_cost')}: {formatUsd(api.totalCost)}
+                          </span>
+                        )}
+                      </div>
+                    </div>
+                    <span className={styles.expandIcon}>
+                      {expandedApis.has(api.endpoint) ? '▼' : '▶'}
+                    </span>
+                  </div>
+                  {expandedApis.has(api.endpoint) && (
+                    <div className={styles.apiModels}>
+                      {Object.entries(api.models).map(([model, stats]) => (
+                        <div key={model} className={styles.modelRow}>
+                          <span className={styles.modelName}>{model}</span>
+                          <span className={styles.modelStat}>{stats.requests} {t('usage_stats.requests_count')}</span>
+                          <span className={styles.modelStat}>{formatTokensInMillions(stats.tokens)}</span>
+                        </div>
+                      ))}
+                    </div>
+                  )}
+                </div>
+              ))}
+            </div>
+          ) : (
+            <div className={styles.hint}>{t('usage_stats.no_data')}</div>
+          )}
+        </Card>
+
+        {/* Model Statistics */}
+        <Card title={t('usage_stats.models')}>
+          {loading ? (
+            <div className={styles.hint}>{t('common.loading')}</div>
+          ) : modelStats.length > 0 ? (
+            <div className={styles.tableWrapper}>
+              <table className={styles.table}>
+                <thead>
+                  <tr>
+                    <th>{t('usage_stats.model_name')}</th>
+                    <th>{t('usage_stats.requests_count')}</th>
+                    <th>{t('usage_stats.tokens_count')}</th>
+                    {hasPrices && <th>{t('usage_stats.total_cost')}</th>}
+                  </tr>
+                </thead>
+                <tbody>
+                  {modelStats.map((stat) => (
+                    <tr key={stat.model}>
+                      <td className={styles.modelCell}>{stat.model}</td>
+                      <td>{stat.requests.toLocaleString()}</td>
+                      <td>{formatTokensInMillions(stat.tokens)}</td>
+                      {hasPrices && <td>{stat.cost > 0 ? formatUsd(stat.cost) : '--'}</td>}
+                    </tr>
+                  ))}
+                </tbody>
+              </table>
+            </div>
+          ) : (
+            <div className={styles.hint}>{t('usage_stats.no_data')}</div>
+          )}
+        </Card>
+      </div>

      {/* Model Pricing Configuration */}
      <Card title={t('usage_stats.model_price_settings')}>
--- a/src/styles/themes.scss
+++ b/src/styles/themes.scss
@@ -36,11 +36,11 @@
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
 }

-// 深色主题（纯黑）
+// 深色主题（#191919）
 [data-theme='dark'] {
-  --bg-primary: #0a0a0a;
-  --bg-secondary: #000000;
-  --bg-tertiary: #171717;
+  --bg-primary: #202020;
+  --bg-secondary: #191919;
+  --bg-tertiary: #262626;

  --text-primary: #fafafa;
  --text-secondary: #a3a3a3;
--- a/src/utils/format.ts
+++ b/src/utils/format.ts
@@ -52,6 +52,37 @@ export function formatDateTime(date: string | Date): string {
  });
 }

+/**
+ * 将 Unix 时间戳（秒/毫秒/微秒/纳秒）格式化为本地时间字符串
+ */
+export function formatUnixTimestamp(value: unknown, locale?: string): string {
+  if (value === null || value === undefined || value === '') return '';
+
+  const asNumber = typeof value === 'number' ? value : Number(value);
+  const date = (() => {
+    if (!Number.isFinite(asNumber) || Number.isNaN(asNumber)) {
+      return new Date(String(value));
+    }
+
+    const abs = Math.abs(asNumber);
+
+    // 秒：常见 10 位（~1e9）
+    if (abs < 1e11) return new Date(asNumber * 1000);
+
+    // 毫秒：常见 13 位（~1e12）
+    if (abs < 1e14) return new Date(asNumber);
+
+    // 微秒：常见 16 位（~1e15）
+    if (abs < 1e17) return new Date(Math.round(asNumber / 1000));
+
+    // 纳秒：常见 19 位（~1e18）
+    return new Date(Math.round(asNumber / 1e6));
+  })();
+
+  if (Number.isNaN(date.getTime())) return '';
+  return locale ? date.toLocaleString(locale) : date.toLocaleString();
+}
+
 /**
 * 格式化数字（添加千位分隔符）
 */
--- a/src/utils/usage.ts
+++ b/src/utils/usage.ts
@@ -3,6 +3,7 @@
 * 迁移自基线 modules/usage.js 的纯逻辑部分
 */

+import type { ScriptableContext } from 'chart.js';
 import { maskApiKey } from './format';

 export interface KeyStatBucket {
@@ -636,7 +637,7 @@ export interface ChartDataset {
  label: string;
  data: number[];
  borderColor: string;
-  backgroundColor: string;
+  backgroundColor: string | CanvasGradient | ((context: ScriptableContext<'line'>) => string | CanvasGradient);
  fill: boolean;
  tension: number;
 }
@@ -658,6 +659,47 @@ const CHART_COLORS = [
  { borderColor: '#f97316', backgroundColor: 'rgba(249, 115, 22, 0.15)' },
 ];

+const clamp = (value: number, min: number, max: number) => Math.min(Math.max(value, min), max);
+
+const hexToRgb = (hex: string): { r: number; g: number; b: number } | null => {
+  const normalized = hex.trim().replace('#', '');
+  if (normalized.length !== 6) {
+    return null;
+  }
+  const r = Number.parseInt(normalized.slice(0, 2), 16);
+  const g = Number.parseInt(normalized.slice(2, 4), 16);
+  const b = Number.parseInt(normalized.slice(4, 6), 16);
+  if (![r, g, b].every((channel) => Number.isFinite(channel))) {
+    return null;
+  }
+  return { r, g, b };
+};
+
+const withAlpha = (hex: string, alpha: number) => {
+  const rgb = hexToRgb(hex);
+  if (!rgb) {
+    return hex;
+  }
+  const clamped = clamp(alpha, 0, 1);
+  return `rgba(${rgb.r}, ${rgb.g}, ${rgb.b}, ${clamped})`;
+};
+
+const buildAreaGradient = (context: ScriptableContext<'line'>, baseHex: string, fallback: string) => {
+  const chart = context.chart;
+  const ctx = chart.ctx;
+  const area = chart.chartArea;
+
+  if (!area) {
+    return fallback;
+  }
+
+  const gradient = ctx.createLinearGradient(0, area.top, 0, area.bottom);
+  gradient.addColorStop(0, withAlpha(baseHex, 0.28));
+  gradient.addColorStop(0.6, withAlpha(baseHex, 0.12));
+  gradient.addColorStop(1, withAlpha(baseHex, 0.02));
+  return gradient;
+};
+
 /**
 * 构建图表数据
 */
@@ -692,13 +734,16 @@ export function buildChartData(
    const data = isAll ? getAllSeries() : (dataByModel.get(model) || new Array(labels.length).fill(0));
    const colorIndex = index % CHART_COLORS.length;
    const style = CHART_COLORS[colorIndex];
+    const shouldFill = modelsToShow.length === 1 || (isAll && modelsToShow.length > 1);

    return {
      label: isAll ? 'All Models' : model,
      data,
      borderColor: style.borderColor,
-      backgroundColor: style.backgroundColor,
-      fill: false,
+      backgroundColor: shouldFill
+        ? (ctx) => buildAreaGradient(ctx, style.borderColor, style.backgroundColor)
+        : style.backgroundColor,
+      fill: shouldFill,
      tension: 0.35
    };
  });
Author	SHA1	Message	Date
Supra4E8C	ec4b5ab46a	feat: add quick links section to System page	2025-12-17 18:16:59 +08:00
Supra4E8C	cd6c142324	fix: fix log page timestamp display and optimize AuthFiles layout - Add formatUnixTimestamp utility to auto-detect timestamp precision (s/ms/μs/ns) - Fix incorrect file modification time display in logs page - Remove fixed height constraint from AuthFilesPage model list	2025-12-17 18:03:25 +08:00
Supra4E8C	0ebf62b564	fix: usage layout	2025-12-17 12:14:35 +08:00
Supra4E8C	16f3442a11	fix: refactor usage	2025-12-17 00:35:02 +08:00
Supra4E8C	3328e686ee	fix: ip address in the log is displayed incorrectly	2025-12-16 23:32:49 +08:00
Supra4E8C	f60bdb0a8e	fix: change the dark mode color	2025-12-16 23:10:17 +08:00