diff --git a/assets/img/cards/kamikaz.png b/assets/img/cards/kamikaze.png
similarity index 100%
rename from assets/img/cards/kamikaz.png
rename to assets/img/cards/kamikaze.png
diff --git a/public/game.html b/public/game.html
index 46dbe6e..49ce036 100644
--- a/public/game.html
+++ b/public/game.html
@@ -9,6 +9,18 @@
       .square {
         position: relative;
       }
+      /* médusa (petrified) visual */
+      .square.petrified::after {
+        content: "";
+        position: absolute;
+        left: 0;
+        top: 0;
+        right: 0;
+        bottom: 0;
+        background: rgba(120, 120, 160, 0.35);
+        pointer-events: none;
+        z-index: 60;
+      }
       .square .veil {
         position: absolute;
         left: 0;
@@ -305,6 +317,7 @@ logs...</pre
           if (id.indexOf("sniper") !== -1) return "owned";
           if (id.indexOf("doppel") !== -1) return "owned";
           if (id.indexOf("toucher") !== -1) return "enemy";
+          if (id.indexOf("medusa") !== -1) return "enemy";
           if (id.indexOf("parrure") !== -1) return "enemy_queen";
           if (id.indexOf("tout") !== -1) return "piece";
           if (id.indexOf("kamikaz") !== -1) return "owned";
@@ -349,7 +362,8 @@ logs...</pre
                     // ensure board orientation follows the (possibly changed) player color
                     try {
                       if (boardEl) {
-                        if (myColor === "black") boardEl.classList.add("flipped");
+                        if (myColor === "black")
+                          boardEl.classList.add("flipped");
                         else boardEl.classList.remove("flipped");
                       }
                     } catch (_) {}
@@ -386,27 +400,41 @@ logs...</pre
               updateTurnBanner(data.boardState);
               // re-apply any active 'toucher' effects sent by the server (useful after refresh/reconnect)
               try {
-                if (Array.isArray(data.activeCardEffects) && data.activeCardEffects.length) {
+                if (
+                  Array.isArray(data.activeCardEffects) &&
+                  data.activeCardEffects.length
+                ) {
                   data.activeCardEffects.forEach((eff) => {
                     try {
-                      if (eff && eff.type === 'toucher') {
+                      if (eff && eff.type === "toucher") {
                         let targetSquare = eff.pieceSquare || null;
-                        if (!targetSquare && eff.pieceId && data.boardState && Array.isArray(data.boardState.pieces)) {
-                          const p = data.boardState.pieces.find((x) => x.id === eff.pieceId);
+                        if (
+                          !targetSquare &&
+                          eff.pieceId &&
+                          data.boardState &&
+                          Array.isArray(data.boardState.pieces)
+                        ) {
+                          const p = data.boardState.pieces.find(
+                            (x) => x.id === eff.pieceId,
+                          );
                           if (p && p.square) targetSquare = p.square;
                         }
                         if (targetSquare && boardEl) {
-                          const el = boardEl.querySelector(`.square[data-square="${targetSquare}"]`);
+                          const el = boardEl.querySelector(
+                            `.square[data-square="${targetSquare}"]`,
+                          );
                           if (el) {
-                            el.classList.add('targeted');
-                            try { el.dataset.toucherEffectId = eff.id || ''; } catch(_) {}
+                            el.classList.add("targeted");
+                            try {
+                              el.dataset.toucherEffectId = eff.id || "";
+                            } catch (_) {}
                           }
                         }
                       }
-                    } catch(_) {}
+                    } catch (_) {}
                   });
                 }
-              } catch(_) {}
+              } catch (_) {}
               // restore last-move highlight from localStorage (persist across refresh)
               try {
                 if (roomId) {
@@ -416,21 +444,35 @@ logs...</pre
                     const lm = JSON.parse(raw);
                     if (lm && lm.to && lm.from && lm.to !== lm.from) {
                       // apply visuals (renderBoardFromState cleared old highlights)
-                      const dest = boardEl.querySelector(`.square[data-square="${lm.to}"]`);
+                      const dest = boardEl.querySelector(
+                        `.square[data-square="${lm.to}"]`,
+                      );
                       try {
                         let showDest = false;
-                        if (currentBoardState && Array.isArray(currentBoardState.pieces)) {
-                          showDest = currentBoardState.pieces.some((x) => x && x.square === lm.to);
+                        if (
+                          currentBoardState &&
+                          Array.isArray(currentBoardState.pieces)
+                        ) {
+                          showDest = currentBoardState.pieces.some(
+                            (x) => x && x.square === lm.to,
+                          );
                         }
                         if (showDest && dest) {
                           dest.classList.add("last-move-dest");
                         }
                       } catch (_) {}
-                      const fromEl = boardEl.querySelector(`.square[data-square="${lm.from}"]`);
+                      const fromEl = boardEl.querySelector(
+                        `.square[data-square="${lm.from}"]`,
+                      );
                       try {
                         let showSource = false;
-                        if (currentBoardState && Array.isArray(currentBoardState.pieces)) {
-                          showSource = currentBoardState.pieces.some((x) => x && x.square === lm.from);
+                        if (
+                          currentBoardState &&
+                          Array.isArray(currentBoardState.pieces)
+                        ) {
+                          showSource = currentBoardState.pieces.some(
+                            (x) => x && x.square === lm.from,
+                          );
                         }
                         if (showSource && fromEl) {
                           fromEl.classList.add("last-move-source");
@@ -601,20 +643,60 @@ logs...</pre
                 // public notable effects
                 showEffectNotification(effect);
               }
-              // toucher
+              
+              // toucher + médusa
               try {
-                if (effect.type === "toucher") {
+                if (effect.type === "toucher" || effect.type === "medusa_target") {
                   const sq = effect.pieceSquare || null;
                   let targetSquare = sq;
-                  if (!targetSquare && effect.pieceId && currentBoardState && Array.isArray(currentBoardState.pieces)) {
-                    const p = currentBoardState.pieces.find((x) => x.id === effect.pieceId);
+                  if (
+                    !targetSquare &&
+                    effect.pieceId &&
+                    currentBoardState &&
+                    Array.isArray(currentBoardState.pieces)
+                  ) {
+                    const p = currentBoardState.pieces.find(
+                      (x) => x.id === effect.pieceId,
+                    );
                     if (p && p.square) targetSquare = p.square;
                   }
                   if (targetSquare && boardEl) {
-                    const el = boardEl.querySelector(`.square[data-square="${targetSquare}"]`);
+                    const el = boardEl.querySelector(
+                      `.square[data-square="${targetSquare}"]`,
+                    );
                     if (el) {
                       el.classList.add("targeted");
-                      try { el.dataset.toucherEffectId = effect.id || ""; } catch(_) {}
+                      try {
+                        el.dataset.toucherEffectId = effect.id || "";
+                      } catch (_) {}
+                    }
+                  }
+                }
+              } catch (e) {}
+              try {
+                if (effect.type === "medusa") {
+                  const sq = effect.pieceSquare || null;
+                  let targetSquare = sq;
+                  if (
+                    !targetSquare &&
+                    effect.pieceId &&
+                    currentBoardState &&
+                    Array.isArray(currentBoardState.pieces)
+                  ) {
+                    const p = currentBoardState.pieces.find(
+                      (x) => x.id === effect.pieceId,
+                    );
+                    if (p && p.square) targetSquare = p.square;
+                  }
+                  if (targetSquare && boardEl) {
+                    const el = boardEl.querySelector(
+                      `.square[data-square="${targetSquare}"]`,
+                    );
+                    if (el) {
+                      el.classList.add("petrified");
+                      try {
+                        el.dataset.medusaEffectId = effect.id || "";
+                      } catch (_) {}
                     }
                   }
                 }
@@ -640,37 +722,78 @@ logs...</pre
             }
           });
 
-          // toucher
+          // toucher / medusa removals
           socket.on("card:effect:removed", (data) => {
             try {
               const effId = data && (data.effectId || data.id);
               const type = data && data.type;
               if (!effId) return;
-              if (type === "toucher") {
+              if (type === "toucher" || type === "medusa_target") {
                 // find any square with matching dataset.toucherEffectId and remove the visual
                 try {
-                  const sq = boardEl && boardEl.querySelector && boardEl.querySelector(`.square[data-toucher-effect-id][data-toucher-effect-id="${effId}"]`);
+                  const sq =
+                    boardEl &&
+                    boardEl.querySelector &&
+                    boardEl.querySelector(
+                      `.square[data-toucher-effect-id][data-toucher-effect-id="${effId}"]`,
+                    );
                   if (sq) {
                     sq.classList.remove("last-move-source");
                     sq.classList.remove("targeted");
-                    try { delete sq.dataset.toucherEffectId; } catch(_) {}
+                    try {
+                      delete sq.dataset.toucherEffectId;
+                    } catch (_) {}
                   } else {
                     // fallback: remove any .last-move-source or .targeted if its dataset matches
-                    const all = boardEl.querySelectorAll('.square.last-move-source, .square.targeted');
+                    const all = boardEl.querySelectorAll(
+                      ".square.last-move-source, .square.targeted",
+                    );
                     all.forEach((s) => {
                       try {
-                        if (s.dataset && s.dataset.toucherEffectId === String(effId)) {
-                          s.classList.remove('last-move-source');
-                          s.classList.remove('targeted');
+                        if (
+                          s.dataset &&
+                          s.dataset.toucherEffectId === String(effId)
+                        ) {
+                          s.classList.remove("last-move-source");
+                          s.classList.remove("targeted");
                           delete s.dataset.toucherEffectId;
                         }
-                      } catch(_) {}
+                      } catch (_) {}
+                    });
+                  }
+                } catch (_) {}
+              }
+              if (type === "medusa") {
+                try {
+                  const sq =
+                    boardEl &&
+                    boardEl.querySelector &&
+                    boardEl.querySelector(
+                      `.square[data-medusa-effect-id][data-medusa-effect-id="${effId}"]`,
+                    );
+                  if (sq) {
+                    sq.classList.remove("petrified");
+                    try {
+                      delete sq.dataset.medusaEffectId;
+                    } catch (_) {}
+                  } else {
+                    const all = boardEl.querySelectorAll(".square.petrified");
+                    all.forEach((s) => {
+                      try {
+                        if (
+                          s.dataset &&
+                          s.dataset.medusaEffectId === String(effId)
+                        ) {
+                          s.classList.remove("petrified");
+                          delete s.dataset.medusaEffectId;
+                        }
+                      } catch (_) {}
                     });
                   }
                 } catch (_) {}
               }
             } catch (e) {
-              console.warn('card:effect:removed handler error', e);
+              console.warn("card:effect:removed handler error", e);
             }
           });
           // when the server sends the stolen card to the stealer (private)
@@ -781,42 +904,69 @@ logs...</pre
               let hasPieceToBefore = false;
               try {
                 const fromBeforeEl =
-                  boardEl && boardEl.querySelector &&
-                  boardEl.querySelector(`.square[data-square="${data && data.from}"]`);
-                if (fromBeforeEl && fromBeforeEl.querySelector && fromBeforeEl.querySelector('img.piece'))
+                  boardEl &&
+                  boardEl.querySelector &&
+                  boardEl.querySelector(
+                    `.square[data-square="${data && data.from}"]`,
+                  );
+                if (
+                  fromBeforeEl &&
+                  fromBeforeEl.querySelector &&
+                  fromBeforeEl.querySelector("img.piece")
+                )
                   hasPieceFromBefore = true;
               } catch (_) {}
               try {
                 const toBeforeEl =
-                  boardEl && boardEl.querySelector &&
-                  boardEl.querySelector(`.square[data-square="${data && data.to}"]`);
-                if (toBeforeEl && toBeforeEl.querySelector && toBeforeEl.querySelector('img.piece'))
+                  boardEl &&
+                  boardEl.querySelector &&
+                  boardEl.querySelector(
+                    `.square[data-square="${data && data.to}"]`,
+                  );
+                if (
+                  toBeforeEl &&
+                  toBeforeEl.querySelector &&
+                  toBeforeEl.querySelector("img.piece")
+                )
                   hasPieceToBefore = true;
               } catch (_) {}
               clearSelection(false);
               try {
-                const prevHighlights = boardEl.querySelectorAll(".last-move-dest, .last-move-source");
+                const prevHighlights = boardEl.querySelectorAll(
+                  ".last-move-dest, .last-move-source",
+                );
                 prevHighlights.forEach((el) => {
                   el.classList.remove("last-move-dest");
                   el.classList.remove("last-move-source");
                 });
               } catch (_) {}
               try {
-                const prevCircles = boardEl.querySelectorAll(".last-move-circle");
+                const prevCircles =
+                  boardEl.querySelectorAll(".last-move-circle");
                 prevCircles.forEach((c) => c.remove());
               } catch (_) {}
 
-              if (data && data.boardState) renderBoardFromState(data.boardState);
+              if (data && data.boardState)
+                renderBoardFromState(data.boardState);
               if (data && data.boardState) updateTurnBanner(data.boardState);
 
               try {
                 if (data && data.from && data.to && data.from !== data.to) {
-                  const dest = boardEl.querySelector(`.square[data-square="${data.to}"]`);
-                  const fromEl = boardEl.querySelector(`.square[data-square="${data.from}"]`);
+                  const dest = boardEl.querySelector(
+                    `.square[data-square="${data.to}"]`,
+                  );
+                  const fromEl = boardEl.querySelector(
+                    `.square[data-square="${data.from}"]`,
+                  );
                   let showSource = false;
                   try {
-                    if (currentBoardState && Array.isArray(currentBoardState.pieces)) {
-                      showSource = currentBoardState.pieces.some((x) => x && x.square === data.from);
+                    if (
+                      currentBoardState &&
+                      Array.isArray(currentBoardState.pieces)
+                    ) {
+                      showSource = currentBoardState.pieces.some(
+                        (x) => x && x.square === data.from,
+                      );
                     }
                   } catch (_) {
                     showSource = false;
@@ -825,8 +975,13 @@ logs...</pre
 
                   let showDest = false;
                   try {
-                    if (currentBoardState && Array.isArray(currentBoardState.pieces)) {
-                      showDest = currentBoardState.pieces.some((x) => x && x.square === data.to);
+                    if (
+                      currentBoardState &&
+                      Array.isArray(currentBoardState.pieces)
+                    ) {
+                      showDest = currentBoardState.pieces.some(
+                        (x) => x && x.square === data.to,
+                      );
                     }
                   } catch (_) {
                     showDest = false;
@@ -834,10 +989,22 @@ logs...</pre
                   if (!showDest) showDest = !!hasPieceToBefore;
 
                   try {
-                    if (!showDest && dest && dest.querySelector && dest.querySelector('img.piece')) showDest = true;
+                    if (
+                      !showDest &&
+                      dest &&
+                      dest.querySelector &&
+                      dest.querySelector("img.piece")
+                    )
+                      showDest = true;
                   } catch (_) {}
                   try {
-                    if (!showSource && dest && dest.querySelector && dest.querySelector('img.piece')) showSource = true;
+                    if (
+                      !showSource &&
+                      dest &&
+                      dest.querySelector &&
+                      dest.querySelector("img.piece")
+                    )
+                      showSource = true;
                   } catch (_) {}
 
                   try {
@@ -860,7 +1027,14 @@ logs...</pre
                   try {
                     if (roomId) {
                       const key = `cn:lastMove:${roomId}`;
-                      localStorage.setItem(key, JSON.stringify({ from: data.from, to: data.to, ts: Date.now() }));
+                      localStorage.setItem(
+                        key,
+                        JSON.stringify({
+                          from: data.from,
+                          to: data.to,
+                          ts: Date.now(),
+                        }),
+                      );
                     }
                   } catch (e) {}
                 }
@@ -1479,15 +1653,12 @@ logs...</pre
                       });
                     } else {
                       log("card played with target", resp);
-                      // after server applied the card effect, request legal moves for the selected piece so the client
-                      // will receive the updated legal moves (including teleport to empty squares)
                       try {
                         setSelection(square);
                       } catch (_) {}
                     }
                   },
                 );
-                // keep pendingCard until server response processed (client will call setSelection on success)
                 pendingCard = null;
                 clearTargetHighlights();
                 return;
@@ -1641,9 +1812,15 @@ logs...</pre
               s.classList.remove("last-move-dest");
               s.classList.remove("last-move-source");
             } catch (_) {}
+            try {
+              s.classList.remove("petrified");
+              try {
+                delete s.dataset.medusaEffectId;
+              } catch (_) {}
+            } catch (_) {}
             // remove any lingering circle markers
             try {
-              const prev = s.querySelectorAll('.last-move-circle');
+              const prev = s.querySelectorAll(".last-move-circle");
               prev.forEach((c) => c.remove());
             } catch (_) {}
             // clear square contents (pieces/markers)
@@ -2068,6 +2245,7 @@ logs...</pre
                 imgSrc = "/assets/img/cards/vole_piece.png";
               if (cid === "double") imgSrc = "/assets/img/cards/double.png";
               if (cid === "empathie") imgSrc = "/assets/img/cards/empathie.png";
+              if (cid === "medusa") imgSrc = "/assets/img/cards/medusa.png";
               if (cid === "parrure") imgSrc = "/assets/img/cards/parrure.png";
               if (cid === "revolution")
                 imgSrc = "/assets/img/cards/révolution.png";
diff --git a/public/index.html b/public/index.html
index d7b1487..3bf0d59 100644
--- a/public/index.html
+++ b/public/index.html
@@ -204,7 +204,7 @@
                 if (cid === "invisible")
                   imgSrc = "/assets/img/cards/invisible.png";
                 if (cid === "kamikaze")
-                  imgSrc = "/assets/img/cards/kamikaz.png";
+                  imgSrc = "/assets/img/cards/kamikaze.png";
                 if (cid === "melange") imgSrc = "/assets/img/cards/mélange.png";
                 if (cid === "mine") imgSrc = "/assets/img/cards/mine.png";
                 if (cid === "promotion")
diff --git a/public/styles/style.css b/public/styles/style.css
index 093996b..852b7e7 100644
--- a/public/styles/style.css
+++ b/public/styles/style.css
@@ -1,273 +1,737 @@
 /* Compiled CSS (from style.scss) - included directly so no build step is required */
-*{box-sizing:border-box}
-html,body{height:100%}
-body{
-  font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
-  margin:0;padding:28px;background: linear-gradient(180deg,#fff7f0 0%, #f3f6f9 60%);color:#0b1220;
-  -webkit-font-smoothing:antialiased; -moz-osx-font-smoothing:grayscale;
+* {
+  box-sizing: border-box;
+}
+html,
+body {
+  height: 100%;
+}
+body {
+  font-family:
+    Inter,
+    system-ui,
+    -apple-system,
+    "Segoe UI",
+    Roboto,
+    "Helvetica Neue",
+    Arial;
+  margin: 0;
+  padding: 28px;
+  background: linear-gradient(180deg, #fff7f0 0%, #f3f6f9 60%);
+  color: #0b1220;
+  -webkit-font-smoothing: antialiased;
+  -moz-osx-font-smoothing: grayscale;
 }
 
-.page{max-width:1100px;margin:0 auto}
-
-header h2{margin:0 0 12px 0;color:#0b1220}
-
-.card{background: linear-gradient(180deg,#fffaf6,#ffffff);border:1px solid rgba(11,18,32,0.06);padding:18px;border-radius:14px;box-shadow:0 10px 30px rgba(11,18,32,0.06);} 
-
-button{background:linear-gradient(90deg,#ff7a59,#ffb199);color:#1b1b1f;border:none;padding:10px 14px;border-radius:12px;cursor:pointer;font-weight:700;box-shadow:0 8px 20px rgba(255,122,89,0.12);transition:transform 160ms ease, box-shadow 160ms ease}
-button[disabled]{opacity:0.6;cursor:not-allowed}
-input[type="text"], input[type="search"]{padding:8px;border-radius:8px;border:1px solid rgba(11,18,32,0.06);background:transparent;color:inherit}
-
-a{color:#2563eb;text-decoration:none}
-a:hover{text-decoration:underline}
-
-#log{white-space:pre-wrap;border-radius:8px;background:#f3f6f9;padding:8px;height:280px;overflow:auto;color:#0b1220}
-
-#board{width:800px;height:800px;display:grid;grid-template-columns:repeat(8,1fr);border-radius:6px;overflow:hidden;background-size:cover}
-
-@media (max-width:900px){
-  #board{width:min(92vw,680px);height:min(92vw,680px)}
+.page {
+  max-width: 1100px;
+  margin: 0 auto;
 }
 
-.muted{opacity:0.9;color:#475569}
+header h2 {
+  margin: 0 0 12px 0;
+  color: #0b1220;
+}
 
-.controls{display:flex;gap:8px;align-items:center}
+.card {
+  background: linear-gradient(180deg, #fffaf6, #ffffff);
+  border: 1px solid rgba(11, 18, 32, 0.06);
+  padding: 18px;
+  border-radius: 14px;
+  box-shadow: 0 10px 30px rgba(11, 18, 32, 0.06);
+}
 
-#players{margin:6px 0;padding-left:18px}
+button {
+  background: linear-gradient(90deg, #ff7a59, #ffb199);
+  color: #1b1b1f;
+  border: none;
+  padding: 10px 14px;
+  border-radius: 12px;
+  cursor: pointer;
+  font-weight: 700;
+  box-shadow: 0 8px 20px rgba(255, 122, 89, 0.12);
+  transition:
+    transform 160ms ease,
+    box-shadow 160ms ease;
+}
+button[disabled] {
+  opacity: 0.6;
+  cursor: not-allowed;
+}
+input[type="text"],
+input[type="search"] {
+  padding: 8px;
+  border-radius: 8px;
+  border: 1px solid rgba(11, 18, 32, 0.06);
+  background: transparent;
+  color: inherit;
+}
+
+a {
+  color: #2563eb;
+  text-decoration: none;
+}
+a:hover {
+  text-decoration: underline;
+}
+
+#log {
+  white-space: pre-wrap;
+  border-radius: 8px;
+  background: #f3f6f9;
+  padding: 8px;
+  height: 280px;
+  overflow: auto;
+  color: #0b1220;
+}
+
+#board {
+  width: 800px;
+  height: 800px;
+  display: grid;
+  grid-template-columns: repeat(8, 1fr);
+  border-radius: 6px;
+  overflow: hidden;
+  background-size: cover;
+}
+
+@media (max-width: 900px) {
+  #board {
+    width: min(92vw, 680px);
+    height: min(92vw, 680px);
+  }
+}
+
+.muted {
+  opacity: 0.9;
+  color: #475569;
+}
+
+.controls {
+  display: flex;
+  gap: 8px;
+  align-items: center;
+}
+
+#players {
+  margin: 6px 0;
+  padding-left: 18px;
+}
 
 /* invite button - dark text for light theme */
-#copyInviteBtn{background:transparent;border:1px solid rgba(11,18,32,0.06);color:#0b1220;padding:6px 10px;border-radius:8px}
+#copyInviteBtn {
+  background: transparent;
+  border: 1px solid rgba(11, 18, 32, 0.06);
+  color: #0b1220;
+  padding: 6px 10px;
+  border-radius: 8px;
+}
 
-#youAreHost{background:rgba(255,255,255,0.04);padding:6px 8px;border-radius:6px;margin-left:6px}
+#youAreHost {
+  background: rgba(255, 255, 255, 0.04);
+  padding: 6px 8px;
+  border-radius: 6px;
+  margin-left: 6px;
+}
 
 /* layout helpers used from game.html */
-.layout-row{display:flex;gap:20px;align-items:flex-start}
+.layout-row {
+  display: flex;
+  gap: 20px;
+  align-items: flex-start;
+}
 
-#turnBanner{color:#5a2b12;background:linear-gradient(90deg,#fff1e6,#ffe6da);padding:10px 14px;border-radius:12px;font-weight:800;display:none;border:1px solid rgba(90,43,18,0.06);box-shadow:0 6px 18px rgba(90,43,18,0.04)}
-#turnBanner.show{display:inline-block}
+#turnBanner {
+  color: #5a2b12;
+  background: linear-gradient(90deg, #fff1e6, #ffe6da);
+  padding: 10px 14px;
+  border-radius: 12px;
+  font-weight: 800;
+  display: none;
+  border: 1px solid rgba(90, 43, 18, 0.06);
+  box-shadow: 0 6px 18px rgba(90, 43, 18, 0.04);
+}
+#turnBanner.show {
+  display: inline-block;
+}
 
 /* board tweaks */
-#board{border:1px solid rgba(11,18,32,0.06);position:relative;background-image: url('/assets/chess-pieces/boards/8x8_wood.svg');background-size:cover}
+#board {
+  border: 1px solid rgba(11, 18, 32, 0.06);
+  position: relative;
+  background-image: url("/assets/chess-pieces/boards/8x8_wood.svg");
+  background-size: cover;
+}
 
 /* square cells and piece images (used by renderFen) */
-.square{width:100%;height:100%;display:flex;align-items:center;justify-content:center;overflow:hidden}
-.square img, .piece{max-width:78%;max-height:78%;user-select:none;position:relative;z-index:3}
+.square {
+  width: 100%;
+  height: 100%;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  overflow: hidden;
+}
+.square img,
+.piece {
+  max-width: 78%;
+  max-height: 78%;
+  user-select: none;
+  position: relative;
+  z-index: 3;
+}
 
 /* marker shown on target squares for legal moves */
-.square{position:relative}
-.square .move-marker{
-  position:absolute;
-  left:50%;top:50%;transform:translate(-50%,-50%);
-  width:18%;height:18%;border-radius:50%;pointer-events:auto;cursor:pointer;background:rgba(37,99,235,0.95);
-  box-shadow:0 2px 6px rgba(11,18,32,0.06);z-index:3;transition:transform 120ms ease, opacity 120ms ease;
+.square {
+  position: relative;
+}
+.square .move-marker {
+  position: absolute;
+  left: 50%;
+  top: 50%;
+  transform: translate(-50%, -50%);
+  width: 18%;
+  height: 18%;
+  border-radius: 50%;
+  pointer-events: auto;
+  cursor: pointer;
+  background: rgba(37, 99, 235, 0.95);
+  box-shadow: 0 2px 6px rgba(11, 18, 32, 0.06);
+  z-index: 3;
+  transition:
+    transform 120ms ease,
+    opacity 120ms ease;
+}
+.square .move-marker:hover {
+  transform: translate(-50%, -50%) scale(1.12);
+  opacity: 0.95;
 }
-.square .move-marker:hover{ transform:translate(-50%,-50%) scale(1.12); opacity:0.95 }
 
 /* square highlight when selecting a target for a card: a small hollow ring strictly inside the square */
-.square.targetable{ outline: none; box-shadow: none; }
-.square.targetable::after{
-  content: '';
+.square.targetable {
+  outline: none;
+  box-shadow: none;
+}
+.square.targetable::after {
+  content: "";
   position: absolute;
-  left: 50%; top: 50%; transform: translate(-50%, -50%);
-  width: 36%; height: 36%; border-radius: 50%;
-  border: 2px solid rgba(255,121,63,0.98);
-  box-shadow: 0 6px 18px rgba(255,121,63,0.10) inset;
-  pointer-events: none; z-index: 3;
+  left: 50%;
+  top: 50%;
+  transform: translate(-50%, -50%);
+  width: 36%;
+  height: 36%;
+  border-radius: 50%;
+  border: 2px solid rgba(255, 121, 63, 0.98);
+  box-shadow: 0 6px 18px rgba(255, 121, 63, 0.1) inset;
+  pointer-events: none;
+  z-index: 3;
 }
 
 /* small circular mine marker strictly inside the square */
-.square .mine-dot{
-  position:absolute;
-  left:50%; top:50%; transform:translate(-50%,-50%);
-  width:36%; height:36%; border-radius:50%;
-  background: radial-gradient(circle at 30% 30%, #fff2ea 0%, #ff9a76 30%, #c94b2b 100%);
-  box-shadow: inset 0 2px 8px rgba(255,255,255,0.28), 0 4px 12px rgba(0,0,0,0.20);
-  pointer-events:none; z-index:2;
+.square .mine-dot {
+  position: absolute;
+  left: 50%;
+  top: 50%;
+  transform: translate(-50%, -50%);
+  width: 36%;
+  height: 36%;
+  border-radius: 50%;
+  background: radial-gradient(
+    circle at 30% 30%,
+    #fff2ea 0%,
+    #ff9a76 30%,
+    #c94b2b 100%
+  );
+  box-shadow:
+    inset 0 2px 8px rgba(255, 255, 255, 0.28),
+    0 4px 12px rgba(0, 0, 0, 0.2);
+  pointer-events: none;
+  z-index: 2;
 }
 
 /* image-based mine: prefer SVG with transparent background for crisp edges */
-.square .mine-img{
-  position:absolute;
-  left:50%; top:50%; transform:translate(-50%,-50%);
-  width:40%; height:auto; max-height:42%;
-  pointer-events:none; z-index:2; image-rendering: -webkit-optimize-contrast;
+.square .mine-img {
+  position: absolute;
+  left: 50%;
+  top: 50%;
+  transform: translate(-50%, -50%);
+  width: 40%;
+  height: auto;
+  max-height: 42%;
+  pointer-events: none;
+  z-index: 2;
+  image-rendering: -webkit-optimize-contrast;
 }
 
 /* When a square is veiled by brouillard, hide its piece images to ensure full concealment
    This is a robust fallback in case stacking context / transform interactions make an overlay
    not fully cover the image. Hiding the image guarantees the piece is not visible. */
-.square.veiled img, .square.veiled .piece{ visibility: hidden !important; opacity: 0 !important; }
+.square.veiled img,
+.square.veiled .piece {
+  visibility: hidden !important;
+  opacity: 0 !important;
+}
 
 /* highlighted/selected square when a player selects a piece */
-.square.selected{
-  outline: 3px solid rgba(245,158,11,0.95); /* amber */
-  box-shadow: inset 0 0 0 3px rgba(245,158,11,0.06), 0 8px 20px rgba(11,18,32,0.04);
+.square.selected {
+  outline: 3px solid rgba(245, 158, 11, 0.95); /* amber */
+  box-shadow:
+    inset 0 0 0 3px rgba(245, 158, 11, 0.06),
+    0 8px 20px rgba(11, 18, 32, 0.04);
   z-index: 4;
 }
-.square.selected .piece{transform: scale(1.04); transition: transform 140ms ease}
+.square.selected .piece {
+  transform: scale(1.04);
+  transition: transform 140ms ease;
+}
 
 /* hide the visual selection outline for a square while keeping the piece visible */
 .square.hide-selection.selected,
-.square.hide-selection.selected-remote{
+.square.hide-selection.selected-remote {
   outline: none !important;
   box-shadow: none !important;
 }
-.square.hide-selection{transition:background 120ms ease}
+.square.hide-selection {
+  transition: background 120ms ease;
+}
 
 /* remote selection (other player's selection) */
-.square.selected-remote{
-  outline: 3px solid rgba(37,99,235,0.95); /* blue */
-  box-shadow: inset 0 0 0 3px rgba(37,99,235,0.06), 0 6px 16px rgba(11,18,32,0.04);
+.square.selected-remote {
+  outline: 3px solid rgba(37, 99, 235, 0.95); /* blue */
+  box-shadow:
+    inset 0 0 0 3px rgba(37, 99, 235, 0.06),
+    0 6px 16px rgba(11, 18, 32, 0.04);
   z-index: 3;
 }
-.square.selected-remote .piece{transform: scale(1.02); transition: transform 140ms ease}
+.square.selected-remote .piece {
+  transform: scale(1.02);
+  transition: transform 140ms ease;
+}
 
 /* basic checkerboard coloring */
-.square.light{background: linear-gradient(180deg,#fff8f4,#fff1ec);} 
-.quare.dark{background: linear-gradient(180deg,#fdeee2,#f6d9c5);} 
-.square.dark{background: linear-gradient(180deg,#fdeee2,#f6d9c5);} 
-.square{border:1px solid rgba(0,0,0,0.06)}
+.square.light {
+  background: linear-gradient(180deg, #fff8f4, #fff1ec);
+}
+.quare.dark {
+  background: linear-gradient(180deg, #fdeee2, #f6d9c5);
+}
+.square.dark {
+  background: linear-gradient(180deg, #fdeee2, #f6d9c5);
+}
+.square {
+  border: 1px solid rgba(0, 0, 0, 0.06);
+}
 
 /* flipped board for black perspective */
-#board.flipped{transform:rotate(180deg)}
-#board.flipped .square img{transform:rotate(180deg)}
+#board.flipped {
+  transform: rotate(180deg);
+}
+#board.flipped .square img {
+  transform: rotate(180deg);
+}
 
 /* Lobby / hero styles - decorative and fun */
-.hero{
-  display:flex;align-items:center;justify-content:space-between;padding:28px;border-radius:12px;margin-bottom:18px;overflow:hidden;position:relative;border:1px solid rgba(11,18,32,0.04);
-  background: linear-gradient(135deg, rgba(99,102,241,0.06), rgba(99,102,241,0.03));
+.hero {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  padding: 28px;
+  border-radius: 12px;
+  margin-bottom: 18px;
+  overflow: hidden;
+  position: relative;
+  border: 1px solid rgba(11, 18, 32, 0.04);
+  background: linear-gradient(
+    135deg,
+    rgba(99, 102, 241, 0.06),
+    rgba(99, 102, 241, 0.03)
+  );
+}
+.hero .title {
+  font-size: 28px;
+  font-weight: 800;
+  letter-spacing: -0.5px;
+}
+.hero .subtitle {
+  color: rgba(11, 18, 32, 0.65);
+  margin-top: 6px;
+  font-weight: 500;
+}
+.hero .decor {
+  position: absolute;
+  right: -80px;
+  top: -60px;
+  opacity: 0.06;
+  width: 420px;
+  height: 420px;
+  filter: blur(6px);
+  transform: rotate(20deg);
 }
-.hero .title{font-size:28px;font-weight:800;letter-spacing:-0.5px}
-.hero .subtitle{color:rgba(11,18,32,0.65);margin-top:6px;font-weight:500}
-.hero .decor{position:absolute;right:-80px;top:-60px;opacity:0.06;width:420px;height:420px;filter:blur(6px);transform:rotate(20deg)}
 
-.card.lobby{display:flex;gap:12px;align-items:center;justify-content:space-between;padding:14px}
+.card.lobby {
+  display: flex;
+  gap: 12px;
+  align-items: center;
+  justify-content: space-between;
+  padding: 14px;
+}
 
 /* buttons variants */
-.btn-ghost{background:transparent;border:1px solid rgba(11,18,32,0.06);padding:8px 10px;border-radius:8px;color:inherit}
-.btn-cta{background:linear-gradient(90deg,#3b82f6,#60a5fa);box-shadow:0 8px 20px rgba(59,130,246,0.18)}
+.btn-ghost {
+  background: transparent;
+  border: 1px solid rgba(11, 18, 32, 0.06);
+  padding: 8px 10px;
+  border-radius: 8px;
+  color: inherit;
+}
+.btn-cta {
+  background: linear-gradient(90deg, #3b82f6, #60a5fa);
+  box-shadow: 0 8px 20px rgba(59, 130, 246, 0.18);
+}
 
 /* draw button: compact rectangular CTA used in the cards area */
-.btn-draw{
-  background:linear-gradient(90deg,#ff7a59,#ffb199); /* warm gradient */
-  color:#1b1b1f;padding:10px 14px;border-radius:12px;border:none;cursor:pointer;font-weight:900;font-size:14px;
-  min-width:140px;height:46px;display:inline-flex;align-items:center;justify-content:center;box-shadow:0 10px 22px rgba(255,122,89,0.12);
+.btn-draw {
+  background: linear-gradient(90deg, #ff7a59, #ffb199); /* warm gradient */
+  color: #1b1b1f;
+  padding: 10px 14px;
+  border-radius: 12px;
+  border: none;
+  cursor: pointer;
+  font-weight: 900;
+  font-size: 14px;
+  min-width: 140px;
+  height: 46px;
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  box-shadow: 0 10px 22px rgba(255, 122, 89, 0.12);
+}
+.btn-draw[disabled] {
+  opacity: 0.6;
+  cursor: not-allowed;
 }
-.btn-draw[disabled]{opacity:0.6;cursor:not-allowed}
 
 /* cancel button shown during pending card selection: white background, red text for clear contrast */
-.btn-cancel{
+.btn-cancel {
   background: #ffffff;
   color: #b91c1c; /* red */
-  border: 1px solid rgba(185,28,28,0.14);
+  border: 1px solid rgba(185, 28, 28, 0.14);
   padding: 6px 8px;
   border-radius: 6px;
   cursor: pointer;
   font-weight: 700;
 }
-.btn-cancel:hover{ background: #fff5f5; }
+.btn-cancel:hover {
+  background: #fff5f5;
+}
 
 /* explosion animation used when a mine detonates */
-.explosion{
-  position:absolute;
-  left:50%; top:50%; transform:translate(-50%,-50%) scale(0.6);
-  width:64%; height:64%; border-radius:50%; pointer-events:none; z-index:6;
-  background: radial-gradient(circle at 30% 30%, rgba(255,255,200,0.98) 0%, rgba(255,160,60,0.95) 40%, rgba(220,40,40,0.95) 60%, rgba(120,10,10,0.85) 100%);
-  box-shadow: 0 6px 18px rgba(0,0,0,0.35), inset 0 6px 18px rgba(255,255,255,0.08);
-  opacity: 1; transform-origin:50% 50%;
-  transform: translate(-50%,-50%) scale(0.2);
+.explosion {
+  position: absolute;
+  left: 50%;
+  top: 50%;
+  transform: translate(-50%, -50%) scale(0.6);
+  width: 64%;
+  height: 64%;
+  border-radius: 50%;
+  pointer-events: none;
+  z-index: 6;
+  background: radial-gradient(
+    circle at 30% 30%,
+    rgba(255, 255, 200, 0.98) 0%,
+    rgba(255, 160, 60, 0.95) 40%,
+    rgba(220, 40, 40, 0.95) 60%,
+    rgba(120, 10, 10, 0.85) 100%
+  );
+  box-shadow:
+    0 6px 18px rgba(0, 0, 0, 0.35),
+    inset 0 6px 18px rgba(255, 255, 255, 0.08);
+  opacity: 1;
+  transform-origin: 50% 50%;
+  transform: translate(-50%, -50%) scale(0.2);
 }
-.explosion.play{ animation: explode 520ms ease-out forwards; }
-@keyframes explode{
-  0%{ transform: translate(-50%,-50%) scale(0.2); opacity:1; filter: blur(0px); }
-  60%{ transform: translate(-50%,-50%) scale(1.15); opacity:0.95; filter: blur(1px); }
-  100%{ transform: translate(-50%,-50%) scale(1.6); opacity:0; filter: blur(6px); }
+.explosion.play {
+  animation: explode 520ms ease-out forwards;
+}
+@keyframes explode {
+  0% {
+    transform: translate(-50%, -50%) scale(0.2);
+    opacity: 1;
+    filter: blur(0px);
+  }
+  60% {
+    transform: translate(-50%, -50%) scale(1.15);
+    opacity: 0.95;
+    filter: blur(1px);
+  }
+  100% {
+    transform: translate(-50%, -50%) scale(1.6);
+    opacity: 0;
+    filter: blur(6px);
+  }
 }
 
 /* small debris puffs for a subtle effect */
-.explosion::after{
-  content:''; position:absolute; left:50%; top:50%; transform:translate(-50%,-50%);
-  width:120%; height:120%; border-radius:50%; background: radial-gradient(circle, rgba(255,200,100,0.6) 0%, rgba(255,200,100,0.0) 40%);
-  opacity:0; animation: debris 520ms ease-out forwards;
+.explosion::after {
+  content: "";
+  position: absolute;
+  left: 50%;
+  top: 50%;
+  transform: translate(-50%, -50%);
+  width: 120%;
+  height: 120%;
+  border-radius: 50%;
+  background: radial-gradient(
+    circle,
+    rgba(255, 200, 100, 0.6) 0%,
+    rgba(255, 200, 100, 0) 40%
+  );
+  opacity: 0;
+  animation: debris 520ms ease-out forwards;
+}
+@keyframes debris {
+  0% {
+    opacity: 0.9;
+    transform: translate(-50%, -50%) scale(0.8);
+  }
+  100% {
+    opacity: 0;
+    transform: translate(-50%, -50%) scale(1.8);
+  }
 }
-@keyframes debris{ 0%{ opacity:0.9; transform:translate(-50%,-50%) scale(0.8); } 100%{ opacity:0; transform:translate(-50%,-50%) scale(1.8); } }
 
 /* video-based explosion: used when a .mov/mp4 file is provided in /assets/media/ */
-.explosion-video{
-  position:absolute; left:50%; top:50%; transform:translate(-50%,-50%); z-index:7; pointer-events:none;
-  width:160%; height:auto; max-width:220px; max-height:220px; display:block; object-fit:contain;
+.explosion-video {
+  position: absolute;
+  left: 50%;
+  top: 50%;
+  transform: translate(-50%, -50%);
+  z-index: 7;
+  pointer-events: none;
+  width: 160%;
+  height: auto;
+  max-width: 220px;
+  max-height: 220px;
+  display: block;
+  object-fit: contain;
 }
 
 /* floating small piece icons */
-.floating-piece{position:absolute;opacity:0.06;width:160px;height:160px;pointer-events:none;transform:translate(-10%,-10%);}
+.floating-piece {
+  position: absolute;
+  opacity: 0.06;
+  width: 160px;
+  height: 160px;
+  pointer-events: none;
+  transform: translate(-10%, -10%);
+}
 
 /* subtle button hover */
-button:hover{transform:translateY(-3px);transition:all 180ms ease}
+button:hover {
+  transform: translateY(-3px);
+  transition: all 180ms ease;
+}
 
 /* players area */
-.players-list{list-style:none;padding-left:0;margin:0;display:flex;gap:10px}
-.players-list li{background:rgba(11,18,32,0.03);padding:6px 10px;border-radius:8px}
+.players-list {
+  list-style: none;
+  padding-left: 0;
+  margin: 0;
+  display: flex;
+  gap: 10px;
+}
+.players-list li {
+  background: rgba(11, 18, 32, 0.03);
+  padding: 6px 10px;
+  border-radius: 8px;
+}
 
 /* card hand UI */
-.player-hand{border:1px solid rgba(11,18,32,0.06);padding:8px;border-radius:8px;background:#fff}
-.card-item{display:flex;gap:8px;align-items:flex-start;background:#f8fafc;padding:8px;border-radius:8px;border:1px solid rgba(11,18,32,0.04)}
-.card-art{width:64px;height:60px;background:linear-gradient(180deg,#eef2ff,#ffffff);display:flex;align-items:center;justify-content:center;color:#475569;border-radius:6px;font-size:12px}
-.card-meta{display:flex;flex-direction:column}
-.card-title{font-weight:700;color:#0b1220}
-.card-desc{color:#475569;font-size:13px}
+.player-hand {
+  border: 1px solid rgba(11, 18, 32, 0.06);
+  padding: 8px;
+  border-radius: 8px;
+  background: #fff;
+}
+.card-item {
+  display: flex;
+  gap: 8px;
+  align-items: flex-start;
+  background: #f8fafc;
+  padding: 8px;
+  border-radius: 8px;
+  border: 1px solid rgba(11, 18, 32, 0.04);
+}
+.card-art {
+  width: 64px;
+  height: 60px;
+  background: linear-gradient(180deg, #eef2ff, #ffffff);
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  color: #475569;
+  border-radius: 6px;
+  font-size: 12px;
+}
+.card-meta {
+  display: flex;
+  flex-direction: column;
+}
+.card-title {
+  font-weight: 700;
+  color: #0b1220;
+}
+.card-desc {
+  color: #475569;
+  font-size: 13px;
+}
 
 /* Pokemon-style horizontal card hand */
-.pokemon-hand{padding:10px;border-radius:10px;background:linear-gradient(180deg,#ffffff,#fbfdff);border:1px solid rgba(11,18,32,0.04)}
-.pokemon-hand-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}
-.pokemon-hand-title{font-weight:800}
-.pokemon-hand-counts{display:flex;gap:6px;align-items:center}
-.opponent-count{background:rgba(11,18,32,0.03);padding:4px 8px;border-radius:8px;font-size:12px}
-.cards-row{display:flex;gap:12px;overflow-x:auto;padding-bottom:6px}
-.pokemon-card{flex:0 0 180px;height:350px;border-radius:12px;background:linear-gradient(180deg,#fff,#f6f8ff);box-shadow:0 10px 24px rgba(11,18,32,0.06);border:1px solid rgba(11,18,32,0.04);display:flex;flex-direction:column;cursor:pointer}
-.pokemon-card-top{flex:0 0 120px;padding:8px}
-.pokemon-card-art{width:100%;height:100%;background:linear-gradient(135deg,#f0f9ff,#eef2ff);border-radius:8px;display:flex;align-items:center;justify-content:center;color:#475569;font-weight:700}
-.pokemon-card-mid{padding:8px;flex:1 1 auto;display:flex;flex-direction:column;gap:6px}
-.pokemon-card-title{font-weight:800;color:#0b1220}
-.pokemon-card-desc{color:#475569;font-size:13px}
-.pokemon-card-footer{padding:8px;border-top:1px solid rgba(11,18,32,0.02);display:flex;justify-content:flex-end}
-.card-play-btn{background:linear-gradient(90deg,#3b82f6,#60a5fa);color:white;border:none;padding:6px 10px;border-radius:8px;cursor:pointer}
-.card-play-btn:hover{transform:translateY(-2px)}
+.pokemon-hand {
+  padding: 10px;
+  border-radius: 10px;
+  background: linear-gradient(180deg, #ffffff, #fbfdff);
+  border: 1px solid rgba(11, 18, 32, 0.04);
+}
+.pokemon-hand-header {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  margin-bottom: 8px;
+}
+.pokemon-hand-title {
+  font-weight: 800;
+}
+.pokemon-hand-counts {
+  display: flex;
+  gap: 6px;
+  align-items: center;
+}
+.opponent-count {
+  background: rgba(11, 18, 32, 0.03);
+  padding: 4px 8px;
+  border-radius: 8px;
+  font-size: 12px;
+}
+.cards-row {
+  display: flex;
+  gap: 12px;
+  overflow-x: auto;
+  padding-bottom: 6px;
+}
+.pokemon-card {
+  flex: 0 0 180px;
+  height: 350px;
+  border-radius: 12px;
+  background: linear-gradient(180deg, #fff, #f6f8ff);
+  box-shadow: 0 10px 24px rgba(11, 18, 32, 0.06);
+  border: 1px solid rgba(11, 18, 32, 0.04);
+  display: flex;
+  flex-direction: column;
+  cursor: pointer;
+}
+.pokemon-card-top {
+  flex: 0 0 120px;
+  padding: 8px;
+}
+.pokemon-card-art {
+  width: 100%;
+  height: 100%;
+  background: linear-gradient(135deg, #f0f9ff, #eef2ff);
+  border-radius: 8px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  color: #475569;
+  font-weight: 700;
+}
+.pokemon-card-mid {
+  padding: 8px;
+  flex: 1 1 auto;
+  display: flex;
+  flex-direction: column;
+  gap: 6px;
+}
+.pokemon-card-title {
+  font-weight: 800;
+  color: #0b1220;
+}
+.pokemon-card-desc {
+  color: #475569;
+  font-size: 13px;
+}
+.pokemon-card-footer {
+  padding: 8px;
+  border-top: 1px solid rgba(11, 18, 32, 0.02);
+  display: flex;
+  justify-content: flex-end;
+}
+.card-play-btn {
+  background: linear-gradient(90deg, #3b82f6, #60a5fa);
+  color: white;
+  border: none;
+  padding: 6px 10px;
+  border-radius: 8px;
+  cursor: pointer;
+}
+.card-play-btn:hover {
+  transform: translateY(-2px);
+}
 
 /* small responsive tweak */
-@media (max-width:700px){
-  .pokemon-card{flex:0 0 140px;height:220px}
+@media (max-width: 700px) {
+  .pokemon-card {
+    flex: 0 0 140px;
+    height: 220px;
+  }
 }
 
 /* shuffle animation: quick jitter + opacity pulse to emphasize randomization */
-#board.shuffle-play{
-  transition: transform 700ms cubic-bezier(.2,.9,.2,1), opacity 700ms ease;
+#board.shuffle-play {
+  transition:
+    transform 700ms cubic-bezier(0.2, 0.9, 0.2, 1),
+    opacity 700ms ease;
   transform: translateY(-6px) rotate(-1deg) scale(0.995);
   opacity: 0.9;
 }
-#board.shuffle-play .square img{ transition: transform 700ms cubic-bezier(.2,.9,.2,1); transform: rotate(2deg) scale(0.995); filter: drop-shadow(0 6px 18px rgba(0,0,0,0.06)); }
+#board.shuffle-play .square img {
+  transition: transform 700ms cubic-bezier(0.2, 0.9, 0.2, 1);
+  transform: rotate(2deg) scale(0.995);
+  filter: drop-shadow(0 6px 18px rgba(0, 0, 0, 0.06));
+}
 
-.square.targeted::after{
-  content: '';
+.square.targeted::after {
+  content: "";
   position: absolute;
-  left: 0; top: 0; right: 0; bottom: 0;
+  left: 0;
+  top: 0;
+  right: 0;
+  bottom: 0;
   background: rgb(255, 201, 201);
   pointer-events: none;
   z-index: 2;
 }
 
-.square.last-move-dest::after{
-  content: '';
+.square.last-move-dest::after {
+  content: "";
   position: absolute;
-  left: 0; top: 0; right: 0; bottom: 0;
+  left: 0;
+  top: 0;
+  right: 0;
+  bottom: 0;
   background: rgb(212, 255, 241);
   pointer-events: none;
   z-index: 2;
 }
 
-.square.last-move-source::after{
-  content: '';
+.square.last-move-source::after {
+  content: "";
   position: absolute;
-  left: 0; top: 0; right: 0; bottom: 0;
+  left: 0;
+  top: 0;
+  right: 0;
+  bottom: 0;
   background: rgb(212, 255, 241);
   pointer-events: none;
   z-index: 2;
-}
\ No newline at end of file
+}
diff --git a/public/styles/style.scss b/public/styles/style.scss
index 9df67f4..b91171d 100644
--- a/public/styles/style.scss
+++ b/public/styles/style.scss
@@ -3,93 +3,285 @@ $primary: #2b6cb0;
 $accent: #f6ad55;
 $bg1: #0f172a;
 $bg2: #111827;
-$card: rgba(255,255,255,0.04);
-$glass: rgba(255,255,255,0.03);
+$card: rgba(255, 255, 255, 0.04);
+$glass: rgba(255, 255, 255, 0.03);
 
-*{box-sizing:border-box}
-html,body{height:100%}
-body{
-  font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
-  margin:0;padding:24px;background: linear-gradient(180deg, #0b1220 0%, #0f172a 60%);color:#e6eef8;
+* {
+  box-sizing: border-box;
+}
+html,
+body {
+  height: 100%;
+}
+body {
+  font-family:
+    Inter,
+    system-ui,
+    -apple-system,
+    "Segoe UI",
+    Roboto,
+    "Helvetica Neue",
+    Arial;
+  margin: 0;
+  padding: 24px;
+  background: linear-gradient(180deg, #0b1220 0%, #0f172a 60%);
+  color: #e6eef8;
 }
 
-.page{max-width:1100px;margin:0 auto}
+.page {
+  max-width: 1100px;
+  margin: 0 auto;
+}
 
-header h2{margin:0 0 12px 0;color:#fff;text-shadow:0 1px 0 rgba(0,0,0,0.4)}
+header h2 {
+  margin: 0 0 12px 0;
+  color: #fff;
+  text-shadow: 0 1px 0 rgba(0, 0, 0, 0.4);
+}
 
-.card{background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));border:1px solid rgba(255,255,255,0.04);padding:16px;border-radius:10px;box-shadow:0 6px 20px rgba(2,6,23,0.6);}
+.card {
+  background: linear-gradient(
+    180deg,
+    rgba(255, 255, 255, 0.02),
+    rgba(255, 255, 255, 0.01)
+  );
+  border: 1px solid rgba(255, 255, 255, 0.04);
+  padding: 16px;
+  border-radius: 10px;
+  box-shadow: 0 6px 20px rgba(2, 6, 23, 0.6);
+}
 
-button{background:$primary;color:white;border:none;padding:8px 12px;border-radius:8px;cursor:pointer;font-weight:600}
-button[disabled]{opacity:0.5;cursor:not-allowed}
-input[type="text"], input[type="search"]{padding:8px;border-radius:8px;border:1px solid rgba(255,255,255,0.08);background:transparent;color:inherit}
+button {
+  background: $primary;
+  color: white;
+  border: none;
+  padding: 8px 12px;
+  border-radius: 8px;
+  cursor: pointer;
+  font-weight: 600;
+}
+button[disabled] {
+  opacity: 0.5;
+  cursor: not-allowed;
+}
+input[type="text"],
+input[type="search"] {
+  padding: 8px;
+  border-radius: 8px;
+  border: 1px solid rgba(255, 255, 255, 0.08);
+  background: transparent;
+  color: inherit;
+}
 
-a{color:$accent;text-decoration:none}
-a:hover{text-decoration:underline}
+a {
+  color: $accent;
+  text-decoration: none;
+}
+a:hover {
+  text-decoration: underline;
+}
 
-#log{white-space:pre-wrap;border-radius:8px;background:$glass;padding:8px;height:280px;overflow:auto;color:#dfeeff}
+#log {
+  white-space: pre-wrap;
+  border-radius: 8px;
+  background: $glass;
+  padding: 8px;
+  height: 280px;
+  overflow: auto;
+  color: #dfeeff;
+}
 
-#board{width:800px;height:800px;display:grid;grid-template-columns:repeat(8,1fr);border-radius:6px;overflow:hidden;background-size:cover}
+#board {
+  width: 800px;
+  height: 800px;
+  display: grid;
+  grid-template-columns: repeat(8, 1fr);
+  border-radius: 6px;
+  overflow: hidden;
+  background-size: cover;
+}
 
 /* make board responsive on smaller screens */
-@media (max-width:900px){
-  #board{width:min(92vw,680px);height:min(92vw,680px)}
+@media (max-width: 900px) {
+  #board {
+    width: min(92vw, 680px);
+    height: min(92vw, 680px);
+  }
 }
 
-.muted{opacity:0.8;color:#b9c6d9}
+.muted {
+  opacity: 0.8;
+  color: #b9c6d9;
+}
 
 /* small helpers */
-.controls{display:flex;gap:8px;align-items:center}
+.controls {
+  display: flex;
+  gap: 8px;
+  align-items: center;
+}
 
 /* Chat / players list */
-#players{margin:6px 0;padding-left:18px}
+#players {
+  margin: 6px 0;
+  padding-left: 18px;
+}
 
 /* visually prominent copy button */
-#copyInviteBtn{background:transparent;border:1px solid rgba(255,255,255,0.06);color:#fff;padding:6px 10px;border-radius:8px}
+#copyInviteBtn {
+  background: transparent;
+  border: 1px solid rgba(255, 255, 255, 0.06);
+  color: #fff;
+  padding: 6px 10px;
+  border-radius: 8px;
+}
 
 /* host badge */
-#youAreHost{background:rgba(255,255,255,0.04);padding:6px 8px;border-radius:6px;margin-left:6px}
+#youAreHost {
+  background: rgba(255, 255, 255, 0.04);
+  padding: 6px 8px;
+  border-radius: 6px;
+  margin-left: 6px;
+}
 
 /* layout helpers used from game.html */
-.layout-row{display:flex;gap:20px;align-items:flex-start}
+.layout-row {
+  display: flex;
+  gap: 20px;
+  align-items: flex-start;
+}
 
 /* board tweaks */
-#board{border:1px solid #333;position:relative;background-image: url('/assets/chess-pieces/boards/8x8_wood.svg');background-size:cover}
+#board {
+  border: 1px solid #333;
+  position: relative;
+  background-image: url("/assets/chess-pieces/boards/8x8_wood.svg");
+  background-size: cover;
+}
 
 /* square cells and piece images (used by renderFen) */
-.square{width:100%;height:100%;display:flex;align-items:center;justify-content:center}
-.square img, .piece{max-width:78%;max-height:78%;user-select:none}
+.square {
+  width: 100%;
+  height: 100%;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+}
+.square img,
+.piece {
+  max-width: 78%;
+  max-height: 78%;
+  user-select: none;
+}
 
 /* basic checkerboard coloring */
-.square.light{background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));}
-.square.dark{background: linear-gradient(180deg, rgba(0,0,0,0.18), rgba(0,0,0,0.12));}
-.square{border:1px solid rgba(0,0,0,0.06)}
+.square.light {
+  background: linear-gradient(
+    180deg,
+    rgba(255, 255, 255, 0.02),
+    rgba(255, 255, 255, 0.01)
+  );
+}
+.square.dark {
+  background: linear-gradient(180deg, rgba(0, 0, 0, 0.18), rgba(0, 0, 0, 0.12));
+}
+.square {
+  border: 1px solid rgba(0, 0, 0, 0.06);
+}
 
 /* flipped board for black perspective */
-#board.flipped{transform:rotate(180deg)}
-#board.flipped .square img{transform:rotate(180deg)}
+#board.flipped {
+  transform: rotate(180deg);
+}
+#board.flipped .square img {
+  transform: rotate(180deg);
+}
 
 /* Lobby / hero styles - decorative and fun */
-.hero{
-  display:flex;align-items:center;justify-content:space-between;padding:28px;border-radius:12px;margin-bottom:18px;overflow:hidden;position:relative;border:1px solid rgba(255,255,255,0.04);
-  background: linear-gradient(135deg, rgba(43,108,176,0.14), rgba(246,173,85,0.06));
+.hero {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  padding: 28px;
+  border-radius: 12px;
+  margin-bottom: 18px;
+  overflow: hidden;
+  position: relative;
+  border: 1px solid rgba(255, 255, 255, 0.04);
+  background: linear-gradient(
+    135deg,
+    rgba(43, 108, 176, 0.14),
+    rgba(246, 173, 85, 0.06)
+  );
+}
+.hero .title {
+  font-size: 28px;
+  font-weight: 800;
+  letter-spacing: -0.5px;
+}
+.hero .subtitle {
+  color: rgba(255, 255, 255, 0.85);
+  margin-top: 6px;
+  font-weight: 500;
+}
+.hero .decor {
+  position: absolute;
+  right: -80px;
+  top: -60px;
+  opacity: 0.06;
+  width: 420px;
+  height: 420px;
+  filter: blur(6px);
+  transform: rotate(20deg);
 }
-.hero .title{font-size:28px;font-weight:800;letter-spacing:-0.5px}
-.hero .subtitle{color:rgba(255,255,255,0.85);margin-top:6px;font-weight:500}
-.hero .decor{position:absolute;right:-80px;top:-60px;opacity:0.06;width:420px;height:420px;filter:blur(6px);transform:rotate(20deg)}
 
-.card.lobby{display:flex;gap:12px;align-items:center;justify-content:space-between;padding:14px}
+.card.lobby {
+  display: flex;
+  gap: 12px;
+  align-items: center;
+  justify-content: space-between;
+  padding: 14px;
+}
 
 /* buttons variants */
-.btn-ghost{background:transparent;border:1px solid rgba(255,255,255,0.06);padding:8px 10px;border-radius:8px;color:inherit}
-.btn-cta{background:linear-gradient(90deg,#3b82f6,#60a5fa);box-shadow:0 8px 20px rgba(59,130,246,0.18)}
+.btn-ghost {
+  background: transparent;
+  border: 1px solid rgba(255, 255, 255, 0.06);
+  padding: 8px 10px;
+  border-radius: 8px;
+  color: inherit;
+}
+.btn-cta {
+  background: linear-gradient(90deg, #3b82f6, #60a5fa);
+  box-shadow: 0 8px 20px rgba(59, 130, 246, 0.18);
+}
 
 /* floating small piece icons */
-.floating-piece{position:absolute;opacity:0.06;width:160px;height:160px;pointer-events:none;transform:translate(-10%,-10%);}
+.floating-piece {
+  position: absolute;
+  opacity: 0.06;
+  width: 160px;
+  height: 160px;
+  pointer-events: none;
+  transform: translate(-10%, -10%);
+}
 
 /* subtle button hover */
-button:hover{transform:translateY(-3px);transition:all 180ms ease}
+button:hover {
+  transform: translateY(-3px);
+  transition: all 180ms ease;
+}
 
 /* players area */
-.players-list{list-style:none;padding-left:0;margin:0;display:flex;gap:10px}
-.players-list li{background:rgba(255,255,255,0.02);padding:6px 10px;border-radius:8px}
-
+.players-list {
+  list-style: none;
+  padding-left: 0;
+  margin: 0;
+  display: flex;
+  gap: 10px;
+}
+.players-list li {
+  background: rgba(255, 255, 255, 0.02);
+  padding: 6px 10px;
+  border-radius: 8px;
+}
diff --git a/server.js b/server.js
index 80852d2..d63ef20 100644
--- a/server.js
+++ b/server.js
@@ -439,6 +439,12 @@ function checkAndHandleVictory(room) {
 // Each card has a unique id, cardId (slug), title and description.
 function buildDefaultDeck() {
   const cards = [
+    [
+      'médusa',
+      'La pièce désignée ne peut plus bouger pendant 4 tours',
+      'medusa',
+    ],
+
     [
       "Rebondir sur les bords",
       "Les déplacements en diagonales de la pièce sélectionnée peuvent rebondir une fois sur les bords",
@@ -613,7 +619,6 @@ function buildDefaultDeck() {
     // ['tricherie','Choisis une carte de la pioche parmis trois'],
     // ['trêve','Aucun capture ne peut avoir lieu pendant 4 tours'],
     // ['traversti','La pièce désignée change aléatoirement de type à chaque tour']
-    // ['médusa','La pièce désignée ne peut plus bouger pendant 4 tours'],
     // ['pièce berserk','Une pièce choisie doit capturer dans les trois prochains tours, sinon elle est capturée'],
 
     // moyen facile mais intéressant
@@ -752,6 +757,12 @@ function computeLegalMoves(room, square) {
 
   const piece = getPieceAt(square);
   if (!piece) return [];
+  try {
+    const medusa = (room.activeCardEffects || []).find(
+      (e) => e && e.type === "medusa" && (e.pieceId === piece.id || e.pieceSquare === square),
+    );
+    if (medusa) return [];
+  } catch (_) {}
   const color = piece.color;
   const fromCoord = squareToCoord(square);
   if (!fromCoord) return [];
@@ -1483,6 +1494,24 @@ io.on("connection", (socket) => {
         }
       } catch (_) {}
 
+      // médusa
+      try {
+        const effects = room.activeCardEffects || [];
+        const medusa = effects.find(
+          (e) => e && e.type === "medusa" && e.pieceId === moving.id,
+        );
+        if (medusa) {
+          return (
+            cb &&
+            cb({
+              error: "medusa_immobilization",
+              message:
+                "Mouvement impossible : cette pièce est pétrifiée.",
+            })
+          );
+        }
+      } catch (_) {}
+
       // tout ou rien
       try {
         const effects2 = room.activeCardEffects || [];
@@ -1594,7 +1623,7 @@ io.on("connection", (socket) => {
                 const ev = room.activeCardEffects[ei];
                 if (!ev) continue;
                 if (
-                  ev.type === "invisible" &&
+                  (ev.type === "invisible" || ev.type === "medusa") &&
                   (ev.pieceId === capturedPiece.id ||
                     ev.pieceSquare === capturedPiece.square)
                 ) {
@@ -1654,7 +1683,7 @@ io.on("connection", (socket) => {
                 const ev = room.activeCardEffects[ei];
                 if (!ev) continue;
                 if (
-                  ev.type === "invisible" &&
+                  (ev.type === "invisible" || ev.type === "medusa") &&
                   (ev.pieceId === capturedPiece.id ||
                     ev.pieceSquare === capturedPiece.square)
                 ) {
@@ -3116,6 +3145,103 @@ io.on("connection", (socket) => {
         }
       }
 
+      // médusa
+      else if (cardId === "medusa") {
+        try {
+          const board = room.boardState;
+          let target = payload && payload.targetSquare;
+          if (!target) {
+            try {
+              target = socket.data && socket.data.lastSelectedSquare;
+            } catch (e) {
+              target = null;
+            }
+          }
+          const roomPlayer = room.players.find((p) => p.id === senderId);
+          const playerColorShort =
+            (roomPlayer && roomPlayer.color && roomPlayer.color[0]) || null;
+          const targetPiece = ((board && board.pieces) || []).find(
+            (p) => p.square === target,
+          );
+          if (
+            !board ||
+            !target ||
+            !targetPiece ||
+            targetPiece.color === playerColorShort ||
+            (targetPiece.type && String(targetPiece.type).toLowerCase() === "k")
+          ) {
+            try {
+              room.hands = room.hands || {};
+              room.hands[senderId] = room.hands[senderId] || [];
+              if (removed) room.hands[senderId].push(removed);
+              room.discard = room.discard || [];
+              for (let i = room.discard.length - 1; i >= 0; i--) {
+                if (
+                  room.discard[i] &&
+                  room.discard[i].id === (removed && removed.id)
+                ) {
+                  room.discard.splice(i, 1);
+                  break;
+                }
+              }
+            } catch (e) {}
+            return (
+              cb &&
+              cb({ error: "no valid target", message: "Aucune cible valide n'a été sélectionnée." })
+            );
+          }
+          room.activeCardEffects = room.activeCardEffects || [];
+          const effect = {
+            id: played.id,
+            type: "medusa",
+            playerId: senderId,
+            pieceId: targetPiece.id,
+            pieceSquare: targetPiece.square,
+            remainingTurns: 4,
+            decrementOn: "owner",
+            imposedBy: senderId,
+            ts: Date.now(),
+          };
+          room.activeCardEffects.push(effect);
+          // Also add a one-turn visual marker effect so clients show .targeted like 'toucher'
+          try {
+            const marker = {
+              id: uuidv4().slice(0, 8),
+              type: "medusa_target",
+              playerId: (room.players || []).find((p) => (p.color && p.color[0]) === targetPiece.color)?.id || null,
+              pieceId: targetPiece.id,
+              pieceSquare: targetPiece.square,
+              remainingTurns: 1,
+              decrementOn: "owner",
+              imposedBy: senderId,
+              ts: Date.now(),
+            };
+            room.activeCardEffects.push(marker);
+            try {
+              io.to(room.id).emit("card:effect:applied", {
+                roomId: room.id,
+                effect: marker,
+              });
+            } catch (_) {}
+          } catch (_) {}
+          played.payload = Object.assign({}, payload, {
+            applied: "medusa",
+            appliedTo: target,
+          });
+          try {
+            io.to(room.id).emit("card:effect:applied", {
+              roomId: room.id,
+              effect,
+            });
+          } catch (_) {}
+          try {
+            sendRoomUpdate(room);
+          } catch (_) {}
+        } catch (e) {
+          console.error("medusa effect error", e);
+        }
+      }
+
       // parrure
       else if (cardId === "parrure") {
         try {