feat: Minecraft theme overhaul, fix points bug, add history

frontend/src/themes/minecraft/theme.css

@@ -1,7 +1,6 @@
 @font-face {
   font-family: "PressStart2P";
-  src: url("https://fonts.gstatic.com/s/pressstart2p/v15/e3t4euO8T-267oIAQAu6jDQyK3nVivM.woff2")
-    format("woff2");
+  src: url("https://fonts.gstatic.com/s/pressstart2p/v15/e3t4euO8T-267oIAQAu6jDQyK3nVivM.woff2") format("woff2");
   font-display: swap;
 }
 
@@ -58,8 +57,18 @@
   letter-spacing: 0.04em;
   line-height: 1.5;
   text-shadow: 2px 2px 0 #000000;
+  text-transform: uppercase;
 }
 
+:root[data-theme="minecraft"] .mc-text-shadow {
+  text-shadow: 2px 2px 0 #000000;
+}
+
+:root[data-theme="minecraft"] .mc-text-shadow-sm {
+  text-shadow: 1px 1px 0 #000000;
+}
+
+
 :root[data-theme="minecraft"] ::-webkit-scrollbar {
   width: 12px;
   height: 12px;
@@ -157,36 +166,62 @@
   color: var(--mc-red) !important;
 }
 
-:root[data-theme="minecraft"] button {
+:root[data-theme="minecraft"] button:not(.mc-reset),
+:root[data-theme="minecraft"] .mc-btn {
   background: linear-gradient(180deg, var(--mc-wood) 0%, var(--mc-wood-dark) 100%) !important;
   border: 3px solid #000 !important;
   border-bottom-width: 7px !important;
   border-radius: 0 !important;
   color: #fff !important;
   font-family: "PressStart2P", "VT323", sans-serif !important;
-  font-size: 0.62rem !important;
+  font-size: 0.75rem !important;
+  /* Increased for better readability */
   letter-spacing: 0.04em;
   line-height: 1.4;
   text-shadow: 1px 1px 0 #000;
   box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.48);
   transition: transform 0.08s ease, filter 0.08s ease;
+  text-transform: uppercase;
+  padding: 0.5rem 1rem !important;
 }
 
-:root[data-theme="minecraft"] button:hover:not(:disabled) {
-  filter: brightness(1.07);
-  transform: translateY(-1px);
+:root[data-theme="minecraft"] button:not(.mc-reset):hover:not(:disabled),
+:root[data-theme="minecraft"] .mc-btn:hover:not(:disabled) {
+  filter: brightness(1.15);
+  transform: translateY(-2px);
 }
 
-:root[data-theme="minecraft"] button:active:not(:disabled) {
+:root[data-theme="minecraft"] button:not(.mc-reset):active:not(:disabled),
+:root[data-theme="minecraft"] .mc-btn:active:not(:disabled) {
   border-bottom-width: 3px !important;
-  transform: translateY(3px);
+  transform: translateY(4px);
+  box-shadow: 2px 2px 0 rgba(0, 0, 0, 0.48);
 }
 
-:root[data-theme="minecraft"] button:disabled {
-  opacity: 0.68;
-  filter: saturate(0.28);
+:root[data-theme="minecraft"] button:not(.mc-reset):disabled,
+:root[data-theme="minecraft"] .mc-btn:disabled {
+  opacity: 0.6;
+  filter: grayscale(0.8);
+  cursor: not-allowed;
+  transform: none !important;
 }
 
+/* Variant: Primary/Diamond */
+:root[data-theme="minecraft"] .mc-btn-primary {
+  background: linear-gradient(180deg, var(--mc-diamond) 0%, #008ba3 100%) !important;
+}
+
+/* Variant: Danger/Red */
+:root[data-theme="minecraft"] .mc-btn-danger {
+  background: linear-gradient(180deg, var(--mc-red) 0%, #c62828 100%) !important;
+}
+
+/* Variant: Success/Emerald */
+:root[data-theme="minecraft"] .mc-btn-success {
+  background: linear-gradient(180deg, var(--mc-grass-top) 0%, var(--mc-grass-dark) 100%) !important;
+}
+
+
 :root[data-theme="minecraft"] input,
 :root[data-theme="minecraft"] textarea,
 :root[data-theme="minecraft"] select {
@@ -290,3 +325,42 @@
 :root[data-theme="minecraft"] .problem-markdown-compact th {
   background: #3a3a3a !important;
 }
+
+/* ── Problem detail page markdown: dark text on light plank background ── */
+:root[data-theme="minecraft"] .problem-markdown,
+:root[data-theme="minecraft"] .problem-markdown-compact {
+  font-family: "MiSans", "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif !important;
+}
+
+:root[data-theme="minecraft"] .problem-markdown,
+:root[data-theme="minecraft"] .problem-markdown article {
+  color: #3e2723 !important;
+}
+
+:root[data-theme="minecraft"] .problem-markdown h1,
+:root[data-theme="minecraft"] .problem-markdown h2,
+:root[data-theme="minecraft"] .problem-markdown h3 {
+  color: #3e2723 !important;
+}
+
+:root[data-theme="minecraft"] .problem-markdown p,
+:root[data-theme="minecraft"] .problem-markdown li,
+:root[data-theme="minecraft"] .problem-markdown span,
+:root[data-theme="minecraft"] .problem-markdown td,
+:root[data-theme="minecraft"] .problem-markdown blockquote {
+  color: #4e342e !important;
+}
+
+:root[data-theme="minecraft"] .problem-markdown th {
+  color: #3e2723 !important;
+  background: #d7ccc8 !important;
+}
+
+:root[data-theme="minecraft"] .problem-markdown code:not([class*="hljs"]) {
+  color: #4e342e !important;
+  background: #d7ccc8 !important;
+}
+
+:root[data-theme="minecraft"] .problem-markdown a {
+  color: #1565c0 !important;
+}