fix(ui): 批量替换所有组件中残留的硬编码深色值以彻底支持浅色主题

app/components/Songs/ScheduleList.vue

@@ -1608,7 +1608,7 @@ const vRipple = {
 }
 
 .semester-label {
-  color: #ffffff;
+  color: var(--text-primary, #ffffff);
   font-size: 15px;
   font-weight: 500;
   margin-right: 0.75rem;
@@ -1620,7 +1620,7 @@ const vRipple = {
   background: linear-gradient(135deg, rgba(255, 255, 255, 0.15) 0%, rgba(255, 255, 255, 0.08) 100%);
   border: 1px solid rgba(255, 255, 255, 0.25);
   border-radius: 8px;
-  color: #ffffff;
+  color: var(--text-primary, #ffffff);
   padding: 0.6rem 1rem;
   font-size: 14px;
   font-weight: 500;
@@ -1648,8 +1648,8 @@ const vRipple = {
 }
 
 .semester-select option {
-  background: #1a1d24;
-  color: #ffffff;
+  background: var(--bg-secondary, #1a1d24);
+  color: var(--text-primary, #ffffff);
   padding: 0.5rem;
 }
 
@@ -1703,14 +1703,14 @@ const vRipple = {
 }
 
 .date-item:hover {
-  background: #21242d;
+  background: var(--bg-tertiary, #21242d);
   transform: translateY(-2px);
   box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
 }
 
 .date-item.active {
-  background: #21242d;
-  color: #ffffff;
+  background: var(--bg-tertiary, #21242d);
+  color: var(--text-primary, #ffffff);
   font-weight: 600;
   border-radius: 8px;
   box-shadow: 0 4px 12px rgba(11, 90, 254, 0.2);
@@ -1775,7 +1775,7 @@ const vRipple = {
   font-family: 'MiSans', sans-serif;
   font-weight: 600;
   font-size: 20px;
-  color: #ffffff;
+  color: var(--text-primary, #ffffff);
   margin: 0;
 }
 
@@ -1784,7 +1784,7 @@ const vRipple = {
   padding: 3rem;
   text-align: center;
   border-radius: 10px;
-  background: #21242d;
+  background: var(--bg-tertiary, #21242d);
   margin: 1rem 0;
   color: rgba(255, 255, 255, 0.6);
   display: flex;
@@ -1819,7 +1819,7 @@ const vRipple = {
   padding: 2rem;
   text-align: center;
   border-radius: 10px;
-  background: #21242d;
+  background: var(--bg-tertiary, #21242d);
   margin: 1rem 0;
   color: rgba(255, 255, 255, 0.6);
 }
@@ -1869,7 +1869,7 @@ const vRipple = {
 .song-card {
   width: 320px;
   flex-shrink: 0;
-  background: #21242d;
+  background: var(--bg-tertiary, #21242d);
   border-radius: 10px;
   overflow: hidden;
   position: relative;
@@ -1886,7 +1886,7 @@ const vRipple = {
   border-radius: 999px;
   border: 1px solid rgba(255, 255, 255, 0.1);
   background: rgba(255, 255, 255, 0.1);
-  color: #ffffff;
+  color: var(--text-primary, #ffffff);
   font-size: 14px;
   font-weight: 500;
   cursor: pointer;
@@ -1930,7 +1930,7 @@ const vRipple = {
   width: 100%;
   max-width: 580px;
   max-height: 85vh;
-  background: #1e1e24;
+  background: var(--bg-secondary, #1e1e24);
   border-radius: 20px;
   box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
   border: 1px solid rgba(255, 255, 255, 0.08);
@@ -1964,7 +1964,7 @@ const vRipple = {
   margin: 0;
   font-size: 18px;
   font-weight: 600;
-  color: #ffffff;
+  color: var(--text-primary, #ffffff);
   letter-spacing: 0.5px;
 }
 
@@ -1984,7 +1984,7 @@ const vRipple = {
 
 .playlist-modal-close:hover {
   background: rgba(255, 255, 255, 0.1);
-  color: #ffffff;
+  color: var(--text-primary, #ffffff);
   transform: rotate(90deg);
 }
 
@@ -1993,7 +1993,7 @@ const vRipple = {
   flex: 1;
   overflow-y: auto;
   padding: 1.5rem;
-  background: #1e1e24;
+  background: var(--bg-secondary, #1e1e24);
 }
 
 /* 滚动条美化 */
@@ -2066,7 +2066,7 @@ const vRipple = {
   height: 40px;
   border-radius: 50%;
   overflow: hidden;
-  background: #2a2a32;
+  background: var(--bg-tertiary, #2a2a32);
   display: flex;
   align-items: center;
   justify-content: center;
@@ -2087,7 +2087,7 @@ const vRipple = {
 
 .user-name {
   font-weight: 600;
-  color: #ffffff;
+  color: var(--text-primary, #ffffff);
   font-size: 15px;
 }
 
@@ -2161,9 +2161,9 @@ const vRipple = {
 .custom-select,
 .custom-input {
   width: 100%;
-  background: #141418;
+  background: var(--bg-secondary, #141418);
   border: 1px solid rgba(255, 255, 255, 0.1);
-  color: #ffffff;
+  color: var(--text-primary, #ffffff);
   padding: 0.75rem 1rem;
   border-radius: 10px;
   font-size: 14px;
@@ -2210,7 +2210,7 @@ const vRipple = {
 
 .btn-icon:hover {
   background: rgba(255, 255, 255, 0.1);
-  color: #ffffff;
+  color: var(--text-primary, #ffffff);
 }
 
 .btn-icon:disabled {
@@ -2421,7 +2421,7 @@ const vRipple = {
 
 .song-name {
   font-size: 14px;
-  color: #ffffff;
+  color: var(--text-primary, #ffffff);
   font-weight: 500;
   white-space: nowrap;
   overflow: hidden;
@@ -2469,7 +2469,7 @@ const vRipple = {
 
 .btn-primary {
   background: var(--primary);
-  color: #ffffff;
+  color: var(--text-primary, #ffffff);
   box-shadow: 0 4px 12px rgba(102, 126, 234, 0.25);
 }
 
@@ -2488,7 +2488,7 @@ const vRipple = {
 
 .btn-secondary {
   background: rgba(255, 255, 255, 0.1);
-  color: #ffffff;
+  color: var(--text-primary, #ffffff);
 }
 
 .btn-secondary:hover {
@@ -2502,7 +2502,7 @@ const vRipple = {
 
 .btn-ghost:hover {
   background: rgba(255, 255, 255, 0.05);
-  color: #ffffff;
+  color: var(--text-primary, #ffffff);
 }
 
 /* 动画定义 */
@@ -2537,7 +2537,7 @@ const vRipple = {
   border-radius: 50%;
   border: 1px solid rgba(255, 255, 255, 0.1);
   background: rgba(255, 255, 255, 0.1);
-  color: #ffffff;
+  color: var(--text-primary, #ffffff);
   cursor: pointer;
   margin-right: 0.5rem;
   backdrop-filter: blur(10px);
@@ -2661,8 +2661,8 @@ const vRipple = {
   display: flex;
   align-items: center;
   justify-content: center;
-  background: linear-gradient(135deg, #0043f8 0%, #0075f8 100%);
-  color: #ffffff;
+  background: linear-gradient(135deg, var(--bg-secondary, #0043f8) 0%, #0075f8 100%);
+  color: var(--text-primary, #ffffff);
   font-size: 28px;
   font-weight: bold;
   font-family: 'MiSans', sans-serif;
@@ -2725,7 +2725,7 @@ const vRipple = {
   font-weight: 600;
   font-size: 16px;
   letter-spacing: 0.04em;
-  color: #ffffff;
+  color: var(--text-primary, #ffffff);
   margin-bottom: 0.5rem;
   display: flex;
   align-items: flex-start;
@@ -2824,7 +2824,7 @@ const vRipple = {
   font-family: 'MiSans', sans-serif;
   font-weight: 600;
   font-size: 12px;
-  color: #ffffff;
+  color: var(--text-primary, #ffffff);
   opacity: 0.4;
 }
 
@@ -2919,7 +2919,7 @@ const vRipple = {
   .date-text {
     font-size: 15px;
     font-weight: 600;
-    color: #ffffff;
+    color: var(--text-primary, #ffffff);
     white-space: nowrap;
     text-shadow:
       0 0 10px rgba(255, 255, 255, 0.2),
@@ -2928,7 +2928,7 @@ const vRipple = {
 
   .dropdown-icon {
     opacity: 0.5;
-    color: #ffffff;
+    color: var(--text-primary, #ffffff);
   }
 
   .mobile-action-btn {
@@ -2937,7 +2937,7 @@ const vRipple = {
     display: flex;
     align-items: center;
     justify-content: center;
-    background: linear-gradient(135deg, #0b5afe 0%, #0043f8 100%);
+    background: linear-gradient(135deg, var(--bg-secondary, #0b5afe) 0%, #0043f8 100%);
     border: none;
     border-radius: 16px;
     box-shadow: 0 4px 15px rgba(11, 90, 254, 0.4);
@@ -3118,7 +3118,7 @@ const vRipple = {
     font-weight: 600;
     margin-bottom: 2px;
     line-height: 1.4;
-    color: #ffffff;
+    color: var(--text-primary, #ffffff);
     letter-spacing: 0.01em;
   }
 
@@ -3366,7 +3366,7 @@ const vRipple = {
   justify-content: space-between;
   align-items: center;
   margin-bottom: 1rem;
-  background: #21242d;
+  background: var(--bg-tertiary, #21242d);
   border-radius: 10px;
   padding: 0.75rem 1rem;
   box-shadow: 0px 4px 6px rgba(0, 0, 0, 0.1);
@@ -3379,7 +3379,7 @@ const vRipple = {
 .date-nav-btn {
   background: rgba(11, 90, 254, 0.1);
   border: 1px solid rgba(11, 90, 254, 0.2);
-  color: #ffffff;
+  color: var(--text-primary, #ffffff);
   border-radius: 50%;
   width: 36px;
   height: 36px;
@@ -3403,7 +3403,7 @@ const vRipple = {
   font-family: 'MiSans', sans-serif;
   font-weight: 600;
   font-size: 16px;
-  color: #ffffff;
+  color: var(--text-primary, #ffffff);
   text-align: center;
   flex: 1;
   white-space: pre-line;
@@ -3453,7 +3453,7 @@ const vRipple = {
   width: 85%;
   max-width: 350px;
   max-height: 70vh;
-  background: #1a1d24;
+  background: var(--bg-secondary, #1a1d24);
   border-radius: 12px;
   box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
   border: 1px solid rgba(255, 255, 255, 0.1);