Update themes and match system

src/theme.css

@@ -21,8 +21,81 @@
   direction: ltr;
 }
 
+/* Theme-aware CSS variables */
+:root {
+  /* Light theme (default) */
+  --bg-primary: #ffffff;
+  --bg-secondary: #f5f5f5;
+  --text-primary: #212529;
+  --text-secondary: #6c757d;
+  --border-color: #dee2e6;
+  --tooltip-bg: #f8f9fa;
+  --tooltip-border: #dee2e6;
+  --tooltip-text: #212529;
+  --link-color: #0d6efd;
+  --link-hover: #0b5ed7;
+  --link-visited: #6f42c1;
+  --footer-bg: #f8f9fa;
+  --footer-text: #212529;
+}
+
+/* Dark theme */
+@media (prefers-color-scheme: dark) {
+  :root {
+    --bg-primary: #1a1a1a;
+    --bg-secondary: #2a2a2a;
+    --text-primary: #e0e0e0;
+    --text-secondary: #a0a0a0;
+    --border-color: #3a3a3a;
+    --tooltip-bg: #2a2a2a;
+    --tooltip-border: #444444;
+    --tooltip-text: #e0e0e0;
+    --link-color: #5b9cf5;
+    --link-hover: #60a5fa;
+    --link-visited: #888888;
+    --footer-bg: #1a1a1a;
+    --footer-text: #e0e0e0;
+  }
+}
+
+/* Support for explicit data-bs-theme attribute (Bootstrap override) */
+html[data-bs-theme="dark"] {
+  --bg-primary: #1a1a1a;
+  --bg-secondary: #2a2a2a;
+  --text-primary: #e0e0e0;
+  --text-secondary: #a0a0a0;
+  --border-color: #3a3a3a;
+  --tooltip-bg: #2a2a2a;
+  --tooltip-border: #444444;
+  --tooltip-text: #e0e0e0;
+  --link-color: #e8e8e8;
+  --link-hover: #60a5fa;
+  --link-visited: #888888;
+  --footer-bg: #1a1a1a;
+  --footer-text: #e0e0e0;
+}
+
+html[data-bs-theme="light"] {
+  --bg-primary: #ffffff;
+  --bg-secondary: #f5f5f5;
+  --text-primary: #212529;
+  --text-secondary: #6c757d;
+  --border-color: #dee2e6;
+  --tooltip-bg: #f8f9fa;
+  --tooltip-border: #dee2e6;
+  --tooltip-text: #212529;
+  --link-color: #333333;
+  --link-hover: #0b5ed7;
+  --link-visited: #6f42c1;
+  --footer-bg: #f8f9fa;
+  --footer-text: #212529;
+}
+
 body {
   max-width: 100%;
+  background-color: var(--bg-primary);
+  color: var(--text-primary);
+  transition: background-color 0.3s ease, color 0.3s ease;
 }
 
 html {
@@ -33,11 +106,12 @@ html {
 }
 
 footer {
-  background: #212529;
-  color: white;
+  background: var(--footer-bg);
+  color: var(--footer-text);
   padding: 3px;
   padding-right: 10px;
   padding-left: 10px;
+  border-top: 1px solid var(--border-color);
 }
 
 .footer-left {
@@ -49,6 +123,14 @@ footer {
 }
 
 .green-score {
+  color: rgb(34, 139, 34) !important;
+}
+
+html[data-bs-theme="light"] .green-score {
+  color: rgb(34, 139, 34) !important;
+}
+
+html[data-bs-theme="dark"] .green-score {
   color: rgb(158, 206, 106) !important;
 }
 
@@ -57,15 +139,16 @@ footer {
 }
 
 a {
-  color: var(--v-theme-primary);
+  color: var(--link-color);
+  transition: color 0.2s ease;
 }
 
 a:hover {
-  color: #d65d03;
+  color: var(--link-hover);
 }
 
 a:visited {
-  color: #53514f;
+  color: var(--link-visited);
 }
 
 @media (min-width: 769px) {
@@ -75,3 +158,90 @@ a:visited {
     font-size: 1.2rem;
   }
 }
+
+/* Tooltip theme support */
+.deal-tooltip {
+  pointer-events: none;
+  max-width: 400px;
+}
+
+.tooltip-content {
+  background: var(--tooltip-bg);
+  border: 2px solid var(--tooltip-border);
+  border-radius: 8px;
+  padding: 16px;
+  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
+  font-size: 13px;
+  color: var(--tooltip-text);
+  text-align: left;
+  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
+}
+
+.tooltip-header {
+  font-weight: bold;
+  font-size: 14px;
+  color: var(--text-primary);
+  margin-bottom: 8px;
+  white-space: normal;
+  word-wrap: break-word;
+}
+
+.tooltip-dealer {
+  font-size: 12px;
+  color: var(--text-secondary);
+  margin-bottom: 8px;
+}
+
+.tooltip-stats {
+  display: flex;
+  gap: 12px;
+  margin-bottom: 8px;
+  font-size: 12px;
+  color: var(--text-secondary);
+}
+
+.stat-item {
+  display: flex;
+  align-items: center;
+  gap: 4px;
+}
+
+.stat-item .material-symbols-outlined {
+  font-size: 16px;
+}
+
+.tooltip-description {
+  margin-bottom: 8px;
+  padding: 8px;
+  background: var(--bg-secondary);
+  border-left: 2px solid var(--tooltip-border);
+  border-radius: 2px;
+  font-size: 12px;
+  white-space: normal;
+  word-wrap: break-word;
+  max-height: 60px;
+  overflow-y: auto;
+  color: var(--text-primary);
+}
+
+.tooltip-first-post {
+  margin-bottom: 8px;
+  padding: 8px;
+  background: var(--bg-secondary);
+  border-left: 2px solid var(--tooltip-border);
+  border-radius: 2px;
+  font-size: 12px;
+  white-space: normal;
+  word-wrap: break-word;
+  max-height: 60px;
+  overflow-y: auto;
+  color: var(--text-primary);
+}
+
+.tooltip-times {
+  font-size: 11px;
+  color: var(--text-secondary);
+  border-top: 1px solid var(--border-color);
+  padding-top: 8px;
+  margin-top: 8px;
+}