修复主题一些细节优化问题

write/src/app/globals.css

@@ -1,8 +1,10 @@
 @import "tailwindcss";
 
 :root {
+  color-scheme: light;
   --bg: #fcfaf5;
   --surface: #f6f1e7;
+  --card: #fffdf8;
   --text: #223d66;
   --muted: #6f7f96;
   --line: #e4dfd2;
@@ -14,9 +16,26 @@
   --warning: #c09a46;
 }
 
+:root[data-theme="dark"] {
+  color-scheme: dark;
+  --bg: #111827;
+  --surface: #1b2638;
+  --card: #243247;
+  --text: #f3f7fd;
+  --muted: #c1ccdc;
+  --line: #51627a;
+  --accent: #9fc4f4;
+  --accent-hover: #bfdbfe;
+  --danger: #fca5a5;
+  --danger-hover: #fecaca;
+  --success: #86efac;
+  --warning: #f3d58a;
+}
+
 @theme inline {
   --color-bg: var(--bg);
   --color-surface: var(--surface);
+  --color-card: var(--card);
   --color-text: var(--text);
   --color-muted: var(--muted);
   --color-line: var(--line);
@@ -36,6 +55,33 @@ body {
   -webkit-font-smoothing: antialiased;
 }
 
+:root[data-theme="dark"] input,
+:root[data-theme="dark"] textarea,
+:root[data-theme="dark"] select {
+  color: var(--text);
+}
+
+:root[data-theme="dark"] input::placeholder,
+:root[data-theme="dark"] textarea::placeholder {
+  color: #aebbd0;
+}
+
+:root[data-theme="dark"] .text-muted\/30,
+:root[data-theme="dark"] .text-muted\/35,
+:root[data-theme="dark"] .text-muted\/40,
+:root[data-theme="dark"] .text-muted\/50 {
+  color: #aebbd0;
+}
+
+:root[data-theme="dark"] .text-text\/70,
+:root[data-theme="dark"] .text-text\/80 {
+  color: #d8e2f0;
+}
+
+:root[data-theme="dark"] .border-line\/50 {
+  border-color: #43546d;
+}
+
 /* Scrollbar */
 ::-webkit-scrollbar { width: 6px; height: 6px; }
 ::-webkit-scrollbar-track { background: transparent; }