From c3654543950a553566faf7adf0ed244ab3e0183c Mon Sep 17 00:00:00 2001
From: Jacky <adding2003@gmail.com>
Date: Sun, 9 Aug 2026 00:34:31 +0800
Subject: [PATCH] fix: keep admin theme contrast consistent

---
 backend/common/test_frontend_assets.py      | 14 ++++
 backend/static/admin/css/hulumath_admin.css | 75 +++++++++++++++++++++
 2 files changed, 89 insertions(+)

diff --git a/backend/common/test_frontend_assets.py b/backend/common/test_frontend_assets.py
index 6e185e7..fd44998 100644
--- a/backend/common/test_frontend_assets.py
+++ b/backend/common/test_frontend_assets.py
@@ -20,3 +20,17 @@ def test_app_css_答题提交按钮可见且长弹窗可滚动():
     assert "background: var(--green); color: white; text-align: center" in source
     assert "max-height: calc(100dvh - 30px)" in source
     assert "overflow-y: auto" in source
+
+
+def test_admin_css_深色系统下仍保持完整浅色主题():
+    source = (STATIC_ROOT / "admin" / "css" / "hulumath_admin.css").read_text(
+        encoding="utf-8"
+    )
+
+    assert "color-scheme: light" in source
+    assert "--body-fg: #17211b" in source
+    assert "--body-bg: #f3f1e9" in source
+    assert "--darkened-bg: #ebeae3" in source
+    assert "background-color: #ffffff !important" in source
+    assert ".theme-toggle" in source
+    assert "display: none" in source
diff --git a/backend/static/admin/css/hulumath_admin.css b/backend/static/admin/css/hulumath_admin.css
index 6b64a4d..e4bd57b 100644
--- a/backend/static/admin/css/hulumath_admin.css
+++ b/backend/static/admin/css/hulumath_admin.css
@@ -1,4 +1,5 @@
 :root {
+  color-scheme: light;
   --hulu-ink: #17211b;
   --hulu-green: #196548;
   --hulu-green-dark: #124d37;
@@ -8,18 +9,44 @@
   --hulu-line: #dfe2da;
   --hulu-muted: #6b756e;
   --primary: #196548;
+  --primary-fg: #ffffff;
   --secondary: #17211b;
   --accent: #cce85b;
+  --body-fg: #17211b;
+  --body-bg: #f3f1e9;
+  --body-quiet-color: #6b756e;
+  --body-loud-color: #0d1510;
   --header-bg: #17211b;
   --header-color: #ffffff;
+  --header-branding-color: #ffffff;
+  --header-link-color: #ffffff;
+  --breadcrumbs-fg: #f3f1e9;
   --breadcrumbs-bg: #235f47;
   --breadcrumbs-link-fg: #f3f1e9;
   --link-fg: #196548;
   --link-hover-color: #124d37;
+  --link-selected-fg: #124d37;
+  --hairline-color: #e4e6df;
+  --border-color: #ccd2ca;
+  --error-fg: #b84136;
+  --message-success-bg: #dcefe5;
+  --message-warning-bg: #fff1c7;
+  --message-error-bg: #f8deda;
+  --darkened-bg: #ebeae3;
+  --selected-bg: #e2e9e2;
+  --selected-row: #dce9df;
+  --button-fg: #ffffff;
   --button-bg: #196548;
   --button-hover-bg: #124d37;
   --default-button-bg: #17211b;
   --default-button-hover-bg: #2c3931;
+  --close-button-bg: #667169;
+  --close-button-hover-bg: #3e4942;
+  --delete-button-bg: #b84136;
+  --delete-button-hover-bg: #913128;
+  --object-tools-fg: #ffffff;
+  --object-tools-bg: #196548;
+  --object-tools-hover-bg: #124d37;
 }
 
 body {
@@ -27,6 +54,10 @@ body {
   color: var(--hulu-ink);
 }
 
+.theme-toggle {
+  display: none;
+}
+
 #header {
   min-height: 70px;
   padding: 0 28px;
@@ -125,6 +156,19 @@ div.breadcrumbs {
   background: #ebeae3;
 }
 
+#nav-sidebar .module,
+#nav-sidebar .module table,
+#nav-sidebar .module th,
+#nav-sidebar .module td {
+  background: var(--hulu-panel);
+  color: var(--hulu-ink);
+}
+
+#nav-sidebar .module td,
+#nav-sidebar .module th {
+  border-color: var(--hulu-line);
+}
+
 #nav-sidebar .current-app .section,
 #nav-sidebar .current-model {
   background: rgba(25, 101, 72, .1);
@@ -164,6 +208,14 @@ select,
   border-radius: 8px !important;
 }
 
+input:not([type=submit]):not([type=button]):not([type=checkbox]):not([type=radio]),
+textarea,
+select,
+.vTextField {
+  background-color: #ffffff !important;
+  color: var(--hulu-ink) !important;
+}
+
 input:focus,
 textarea:focus,
 select:focus {
@@ -172,6 +224,29 @@ select:focus {
   outline: none;
 }
 
+.form-row,
+.submit-row {
+  border-color: var(--hulu-line);
+  background: var(--hulu-panel);
+}
+
+.form-row label,
+.form-row p,
+.form-row .help,
+.form-row div.help,
+.form-row div.help li {
+  color: var(--hulu-muted);
+}
+
+.form-row label {
+  color: #334039;
+  font-weight: 600;
+}
+
+.submit-row {
+  border: 1px solid var(--hulu-line);
+}
+
 .button,
 input[type=submit],
 input[type=button],
-- 
2.54.0