Add citation section to About page and widen Type column

Add OpenEEG-Bench and Braindecode BibTeX citations to the About page
with copy-to-clipboard buttons. Widen the Type column from 65px to
120px to fit text labels like "Full Fine-tune".

frontend/src/pages/AboutPage/AboutPage.js

@@ -1,5 +1,7 @@
-import React from "react";
-import { Box, Typography, Paper, Link } from "@mui/material";
+import React, { useState } from "react";
+import { Box, Typography, Paper, Link, IconButton, Tooltip } from "@mui/material";
+import ContentCopyIcon from "@mui/icons-material/ContentCopy";
+import CheckIcon from "@mui/icons-material/Check";
 import PageHeader from "../../components/shared/PageHeader";
 
 function AboutPage() {
@@ -346,8 +348,124 @@ function AboutPage() {
           </li>
         </Box>
       </Paper>
+
+      <CitationSection />
+    </Box>
+  );
+}
+
+const ARENA_BIBTEX = `@inproceedings{guetschel2026openeegbench,
+  title        = {Toward {OpenEEG-Bench}: A Live Community-Driven Benchmark for {EEG} Foundation Models},
+  author       = {Guetschel, Pierre and Aristimunha, Bruno and Truong, Dung and Kokate, Kuntal and Tangermann, Michael and Delorme, Arnaud},
+  booktitle    = {Proceedings of the 34th European Signal Processing Conference (EUSIPCO 2026)},
+  year         = {2026},
+  address      = {Bruges, Belgium},
+  month        = aug,
+  pages        = {1--5},
+  organization = {EURASIP},
+  note         = {Submitted to EUSIPCO 2026}
+}`;
+
+const BRAINDECODE_BIBTEX = `@software{braindecode,
+  author    = {Aristimunha, Bruno and
+               Guetschel, Pierre and
+               Wimpff, Martin and
+               Gemein, Lukas and
+               Rommel, Cedric and
+               Banville, Hubert and
+               Sliwowski, Maciej and
+               Wilson, Daniel and
+               Brandt, Simon and
+               Gnassounou, Th\\'{e}o and
+               Paillard, Joseph and
+               {Junqueira Lopes}, Bruna and
+               Sedlar, Sara and
+               Moreau, Thomas and
+               Chevallier, Sylvain and
+               Gramfort, Alexandre and
+               Schirrmeister, Robin Tibor},
+  title     = {Braindecode: toolbox for decoding raw electrophysiological brain data
+               with deep learning models},
+  url       = {https://github.com/braindecode/braindecode},
+  doi       = {10.5281/zenodo.17699192},
+  publisher = {Zenodo},
+  license   = {BSD-3-Clause},
+}`;
+
+
+function CopyButton({ text }) {
+  const [copied, setCopied] = useState(false);
+
+  const handleCopy = () => {
+    navigator.clipboard.writeText(text).then(() => {
+      setCopied(true);
+      setTimeout(() => setCopied(false), 2000);
+    });
+  };
+
+  return (
+    <Tooltip title={copied ? "Copied!" : "Copy BibTeX"}>
+      <IconButton size="small" onClick={handleCopy} sx={{ color: "text.secondary" }}>
+        {copied ? <CheckIcon fontSize="small" /> : <ContentCopyIcon fontSize="small" />}
+      </IconButton>
+    </Tooltip>
+  );
+}
+
+function CitationBlock({ label, bibtex }) {
+  return (
+    <Box sx={{ mb: 3 }}>
+      <Box sx={{ display: "flex", alignItems: "center", justifyContent: "space-between", mb: 0.5 }}>
+        <Typography variant="subtitle2" color="text.secondary">
+          {label}
+        </Typography>
+        <CopyButton text={bibtex} />
+      </Box>
+      <Box
+        component="pre"
+        sx={{
+          p: 2,
+          bgcolor: "grey.50",
+          border: "1px solid",
+          borderColor: "grey.200",
+          borderRadius: 1,
+          overflow: "auto",
+          fontSize: "0.8rem",
+          lineHeight: 1.5,
+          fontFamily: "monospace",
+          m: 0,
+        }}
+      >
+        {bibtex}
+      </Box>
     </Box>
   );
 }
 
+function CitationSection() {
+  return (
+    <Paper
+      elevation={0}
+      sx={{
+        p: 4,
+        mt: 4,
+        border: "1px solid",
+        borderColor: "grey.200",
+        borderRadius: 2,
+      }}
+    >
+      <Typography variant="h5" sx={{ mb: 1 }}>
+        Citation
+      </Typography>
+      <Typography variant="body1" color="text.secondary" paragraph>
+        If you use OpenEEG-Bench or Braindecode in your research, please cite the
+        following:
+      </Typography>
+
+      <CitationBlock label="OpenEEG-Bench (this leaderboard)" bibtex={ARENA_BIBTEX} />
+      <CitationBlock label="Braindecode software" bibtex={BRAINDECODE_BIBTEX} />
+    </Paper>
+  );
+}
+
 export default AboutPage;

frontend/src/pages/LeaderboardPage/components/Leaderboard/constants/defaults.js

@@ -49,7 +49,7 @@ const FILTERS = {
 // Column size constants
 const COLUMN_SIZES = {
   RANK: 65,
-  TYPE_ICON: 65,
+  TYPE_ICON: 120,
   MODEL: 400,
   AVERAGE_SCORE: 150,
   BENCHMARK: 110,