diff --git a/app.js b/app.js
index bb5db86..24c0157 100644
--- a/app.js
+++ b/app.js
@@ -596,13 +596,13 @@ function initCubePage() {
   });
 
   refs.whiteButton?.addEventListener("click", () => {
-    captureCubeTime(match, "white");
+    handleCubeTap("white");
     dirty = true;
     render();
   });
 
   refs.blackButton?.addEventListener("click", () => {
-    captureCubeTime(match, "black");
+    handleCubeTap("black");
     dirty = true;
     render();
   });
@@ -618,17 +618,6 @@ function initCubePage() {
       return;
     }
 
-    if (!match.cube.running && match.cube.times.white === null && match.cube.times.black === null) {
-      startCubePhase(match);
-      dirty = true;
-      render();
-      return;
-    }
-
-    if (match.cube.running) {
-      return;
-    }
-
     if (match.cube.times.white !== null && match.cube.times.black !== null) {
       if (match.config.mode === "twice" && match.cube.times.white === match.cube.times.black) {
         replayCubePhase(match);
@@ -655,6 +644,23 @@ function initCubePage() {
     replaceTo("index.html");
   });
 
+  function handleCubeTap(color) {
+    if (match.result || match.phase !== "cube") {
+      return;
+    }
+
+    if (match.cube.times[color] !== null) {
+      return;
+    }
+
+    if (match.cube.playerState[color].running) {
+      captureCubeTime(match, color);
+      return;
+    }
+
+    startCubeTimer(match, color);
+  }
+
   function renderCubeZone(color) {
     const isWhite = color === "white";
     const button = isWhite ? refs.whiteButton : refs.blackButton;
@@ -662,10 +668,11 @@ function initCubePage() {
     const result = isWhite ? refs.whiteResult : refs.blackResult;
     const cap = isWhite ? refs.whiteCap : refs.blackCap;
     const hint = isWhite ? refs.whiteHint : refs.blackHint;
+    const playerState = match.cube.playerState[color];
     const time = match.cube.times[color];
 
     name.textContent = playerName(match, color);
-    result.textContent = time === null ? "--" : formatStopwatch(time);
+    result.textContent = formatCubePlayerTime(match, color);
     cap.textContent = renderCubeCap(match, time);
 
     if (match.result) {
@@ -682,29 +689,23 @@ function initCubePage() {
       return;
     }
 
-    if (!match.cube.running) {
-      if (time !== null) {
-        button.textContent = "Temps capture";
-        button.disabled = true;
-        hint.textContent = "Arret deja enregistre pour ce joueur.";
-      } else {
-        button.textContent = "Pret";
-        button.disabled = true;
-        hint.textContent = "Attente du demarrage de la phase cube.";
-      }
-      return;
-    }
-
     if (time !== null) {
-      button.textContent = "Temps capture";
+      button.textContent = "Temps enregistre";
       button.disabled = true;
-      hint.textContent = "Le temps de ce joueur est deja enregistre.";
+      hint.textContent = "Ce joueur a deja termine son cube.";
       return;
     }
 
-    button.textContent = "J'ai fini le cube";
+    if (playerState.running) {
+      button.textContent = "J'ai fini le cube";
+      button.disabled = false;
+      hint.textContent = "Tape au moment exact ou le cube est resolu.";
+      return;
+    }
+
+    button.textContent = "Demarrer mon chrono";
     button.disabled = false;
-    hint.textContent = "Tape au moment exact ou le cube est resolu.";
+    hint.textContent = "Chaque joueur lance son propre chrono quand il commence vraiment.";
   }
 
   function render() {
@@ -721,14 +722,6 @@ function initCubePage() {
       refs.spineText.textContent = "Retournez a la configuration pour relancer une rencontre.";
       refs.primaryButton.textContent = "Retour a l'accueil";
       refs.helpStatus.textContent = "Le match est termine.";
-    } else if (match.cube.running) {
-      refs.centerLabel.textContent = "Etat";
-      refs.centerValue.textContent = "Cube en cours";
-      refs.spineLabel.textContent = "Arrets";
-      refs.spineHeadline.textContent = "Attendre les deux fins";
-      refs.spineText.textContent = "Chaque joueur tape sur sa grande zone des qu'il a resolu son cube.";
-      refs.primaryButton.textContent = "Chrono cube en cours";
-      refs.helpStatus.textContent = "Phase cube en cours. Les arrets sont saisis directement par les joueurs.";
     } else if (
       match.cube.times.white !== null &&
       match.cube.times.black !== null &&
@@ -750,19 +743,40 @@ function initCubePage() {
       refs.spineText.textContent = "Appliquer le resultat du cube pour preparer le block suivant.";
       refs.primaryButton.textContent = "Appliquer et ouvrir la page chrono";
       refs.helpStatus.textContent = refs.spineText.textContent;
+    } else if (match.cube.running) {
+      refs.centerLabel.textContent = "Etat";
+      refs.centerValue.textContent = "Chronos lances";
+      refs.spineLabel.textContent = "Arrets";
+      refs.spineHeadline.textContent = "Chaque joueur se chronometre";
+      refs.spineText.textContent = "Chaque joueur demarre quand il veut, puis retape sa zone une fois le cube termine.";
+      refs.primaryButton.textContent = "Attendre les deux temps";
+      refs.helpStatus.textContent = refs.spineText.textContent;
+    } else if (match.cube.times.white !== null || match.cube.times.black !== null) {
+      refs.centerLabel.textContent = "Etat";
+      refs.centerValue.textContent = "Un temps saisi";
+      refs.spineLabel.textContent = "Suite";
+      refs.spineHeadline.textContent = "Attendre l'autre joueur";
+      refs.spineText.textContent = "Le deuxieme joueur peut encore demarrer puis arreter son propre chrono quand il le souhaite.";
+      refs.primaryButton.textContent = "Attendre le deuxieme temps";
+      refs.helpStatus.textContent = refs.spineText.textContent;
     } else {
       refs.centerLabel.textContent = "Etat";
       refs.centerValue.textContent = "Pret";
-      refs.spineLabel.textContent = "Depart";
-      refs.spineHeadline.textContent = "Lancer la phase cube";
-      refs.spineText.textContent = "Demarrez le chrono commun, puis laissez chaque joueur utiliser uniquement sa grande zone.";
-      refs.primaryButton.textContent = "Demarrer la phase cube";
-      refs.helpStatus.textContent = "La phase cube n'a pas encore commence.";
+      refs.spineLabel.textContent = "Depart libre";
+      refs.spineHeadline.textContent = "Chaque joueur lance son chrono";
+      refs.spineText.textContent = "Au debut de sa resolution, chaque joueur tape sur sa grande zone pour demarrer son propre chrono.";
+      refs.primaryButton.textContent = "En attente des joueurs";
+      refs.helpStatus.textContent = refs.spineText.textContent;
     }
 
     renderCubeZone("black");
     renderCubeZone("white");
-    refs.primaryButton.disabled = match.result ? false : match.cube.running;
+    refs.primaryButton.disabled =
+      !match.result &&
+      !(
+        match.cube.times.white !== null &&
+        match.cube.times.black !== null
+      );
   }
 
   render();
@@ -819,6 +833,10 @@ function createMatch(config) {
         white: null,
         black: null,
       },
+      playerState: {
+        white: createCubePlayerState(),
+        black: createCubePlayerState(),
+      },
       round: 1,
       history: [],
     },
@@ -867,11 +885,26 @@ function normalizeRecoveredMatch(storedMatch) {
       startedAt: null,
       elapsedMs: 0,
       times: { white: null, black: null },
+      playerState: {
+        white: createCubePlayerState(),
+        black: createCubePlayerState(),
+      },
       round: 1,
       history: [],
     };
   }
 
+  if (!storedMatch.cube.playerState) {
+    storedMatch.cube.playerState = {
+      white: createCubePlayerState(),
+      black: createCubePlayerState(),
+    };
+  }
+
+  storedMatch.cube.playerState.white = normalizeCubePlayerState(storedMatch.cube.playerState.white);
+  storedMatch.cube.playerState.black = normalizeCubePlayerState(storedMatch.cube.playerState.black);
+  storedMatch.cube.running = isAnyCubeTimerRunning(storedMatch);
+
   if (!storedMatch.doubleCoup) {
     storedMatch.doubleCoup = {
       eligible: false,
@@ -968,11 +1001,15 @@ function openCubePhase(storedMatch) {
   storedMatch.cube.startedAt = null;
   storedMatch.cube.elapsedMs = 0;
   storedMatch.cube.times = { white: null, black: null };
+  storedMatch.cube.playerState = {
+    white: createCubePlayerState(),
+    black: createCubePlayerState(),
+  };
   storedMatch.cube.round = 1;
   logEvent(storedMatch, `Page cube ouverte. Cube n${storedMatch.cube.number} designe.`);
 }
 
-function startCubePhase(storedMatch) {
+function startCubeTimer(storedMatch, color) {
   if (!storedMatch || storedMatch.phase !== "cube" || storedMatch.result) {
     return;
   }
@@ -981,25 +1018,41 @@ function startCubePhase(storedMatch) {
     storedMatch.cube.number = pickCubeNumber();
   }
 
+  if (storedMatch.cube.times[color] !== null || storedMatch.cube.playerState[color].running) {
+    return;
+  }
+
+  const playerState = storedMatch.cube.playerState[color];
+  playerState.running = true;
+  playerState.startedAt = Date.now();
   storedMatch.cube.running = true;
-  storedMatch.cube.startedAt = Date.now();
-  storedMatch.cube.elapsedMs = 0;
-  logEvent(storedMatch, `Phase cube demarree sur le cube n${storedMatch.cube.number}.`);
+  logEvent(
+    storedMatch,
+    `${playerName(storedMatch, color)} demarre son chrono cube sur le cube n${storedMatch.cube.number}.`,
+  );
 }
 
 function captureCubeTime(storedMatch, color) {
   if (
     !storedMatch ||
     storedMatch.phase !== "cube" ||
-    !storedMatch.cube.running ||
+    !storedMatch.cube.playerState[color].running ||
     storedMatch.cube.times[color] !== null
   ) {
     return;
   }
 
-  const elapsedMs = Date.now() - storedMatch.cube.startedAt;
+  const playerState = storedMatch.cube.playerState[color];
+  const elapsedMs = playerState.elapsedMs + (Date.now() - playerState.startedAt);
   storedMatch.cube.times[color] = elapsedMs;
-  storedMatch.cube.elapsedMs = Math.max(storedMatch.cube.elapsedMs, elapsedMs);
+  playerState.elapsedMs = elapsedMs;
+  playerState.startedAt = null;
+  playerState.running = false;
+  storedMatch.cube.elapsedMs = Math.max(
+    getCubePlayerElapsed(storedMatch, "white"),
+    getCubePlayerElapsed(storedMatch, "black"),
+  );
+  storedMatch.cube.running = isAnyCubeTimerRunning(storedMatch);
   logEvent(storedMatch, `${playerName(storedMatch, color)} arrete le cube en ${formatStopwatch(elapsedMs)}.`);
 
   if (
@@ -1059,6 +1112,10 @@ function prepareNextTwiceBlock(storedMatch, winner) {
   storedMatch.cube.startedAt = null;
   storedMatch.cube.elapsedMs = 0;
   storedMatch.cube.times = { white: null, black: null };
+  storedMatch.cube.playerState = {
+    white: createCubePlayerState(),
+    black: createCubePlayerState(),
+  };
   storedMatch.cube.number = null;
 
   if (hadDouble) {
@@ -1085,6 +1142,10 @@ function prepareNextTimeBlock(storedMatch) {
   storedMatch.cube.startedAt = null;
   storedMatch.cube.elapsedMs = 0;
   storedMatch.cube.times = { white: null, black: null };
+  storedMatch.cube.playerState = {
+    white: createCubePlayerState(),
+    black: createCubePlayerState(),
+  };
   storedMatch.cube.number = null;
   logEvent(
     storedMatch,
@@ -1134,6 +1195,10 @@ function replayCubePhase(storedMatch) {
   storedMatch.cube.startedAt = null;
   storedMatch.cube.elapsedMs = 0;
   storedMatch.cube.times = { white: null, black: null };
+  storedMatch.cube.playerState = {
+    white: createCubePlayerState(),
+    black: createCubePlayerState(),
+  };
   storedMatch.cube.round += 1;
   logEvent(storedMatch, `Phase cube relancee (tentative ${storedMatch.cube.round}).`);
 }
@@ -1288,15 +1353,9 @@ function renderCubeElapsed(storedMatch) {
     return "00:00.0";
   }
 
-  if (storedMatch.cube.running) {
-    return formatStopwatch(Date.now() - storedMatch.cube.startedAt);
-  }
-
-  if (storedMatch.cube.elapsedMs > 0) {
-    return formatStopwatch(storedMatch.cube.elapsedMs);
-  }
-
-  return "00:00.0";
+  return formatStopwatch(
+    Math.max(getCubePlayerElapsed(storedMatch, "white"), getCubePlayerElapsed(storedMatch, "black")),
+  );
 }
 
 function renderCubeCap(storedMatch, time) {
@@ -1502,3 +1561,52 @@ function readWindowNameState() {
     return null;
   }
 }
+
+function createCubePlayerState() {
+  return {
+    running: false,
+    startedAt: null,
+    elapsedMs: 0,
+  };
+}
+
+function normalizeCubePlayerState(playerState) {
+  return {
+    running: Boolean(playerState?.running),
+    startedAt: typeof playerState?.startedAt === "number" ? playerState.startedAt : null,
+    elapsedMs: typeof playerState?.elapsedMs === "number" ? playerState.elapsedMs : 0,
+  };
+}
+
+function isAnyCubeTimerRunning(storedMatch) {
+  return storedMatch.cube.playerState.white.running || storedMatch.cube.playerState.black.running;
+}
+
+function getCubePlayerElapsed(storedMatch, color) {
+  const playerState = storedMatch.cube.playerState[color];
+
+  if (storedMatch.cube.times[color] !== null) {
+    return storedMatch.cube.times[color];
+  }
+
+  if (playerState.running && playerState.startedAt) {
+    return playerState.elapsedMs + (Date.now() - playerState.startedAt);
+  }
+
+  return playerState.elapsedMs;
+}
+
+function formatCubePlayerTime(storedMatch, color) {
+  const elapsed = getCubePlayerElapsed(storedMatch, color);
+  const playerState = storedMatch.cube.playerState[color];
+
+  if (playerState.running) {
+    return formatStopwatch(elapsed);
+  }
+
+  if (elapsed <= 0 && storedMatch.cube.times[color] === null) {
+    return "--";
+  }
+
+  return formatStopwatch(elapsed);
+}
diff --git a/cube.html b/cube.html
index c58b424..929461c 100644
--- a/cube.html
+++ b/cube.html
@@ -30,7 +30,7 @@
           <strong id="cubeBlockLabel">1</strong>
         </article>
         <article class="status-card">
-          <span>Chrono cube</span>
+          <span>Temps max</span>
           <strong id="cubeElapsed">00:00.0</strong>
         </article>
         <article class="status-card wide">
@@ -54,7 +54,7 @@
             </div>
 
             <button class="zone-button dark-button" id="blackCubeButton" type="button">
-              Prêt
+              Démarrer mon chrono
             </button>
 
             <p class="zone-foot" id="blackHintCube"></p>
@@ -69,7 +69,7 @@
           </div>
 
           <button class="button primary spine-button" id="primaryCubeButton" type="button">
-            Démarrer la phase cube
+            En attente des joueurs
           </button>
         </article>
 
@@ -87,7 +87,7 @@
             </div>
 
             <button class="zone-button light-button" id="whiteCubeButton" type="button">
-              Prêt
+              Démarrer mon chrono
             </button>
 
             <p class="zone-foot" id="whiteHintCube"></p>
diff --git a/styles.css b/styles.css
index 82e32d8..a4618ea 100644
--- a/styles.css
+++ b/styles.css
@@ -697,8 +697,7 @@ textarea:focus {
   .setup-grid,
   .mode-grid,
   .preset-grid,
-  .faceoff-board,
-  .status-strip {
+  .faceoff-board {
     grid-template-columns: 1fr;
   }
 
@@ -714,6 +713,10 @@ textarea:focus {
 }
 
 @media (max-width: 900px) {
+  .phase-body {
+    overflow-y: auto;
+  }
+
   .setup-shell,
   .phase-shell {
     width: min(100% - 1rem, 100%);
@@ -734,18 +737,102 @@ textarea:focus {
     display: grid;
   }
 
+  .phase-shell {
+    gap: 0.55rem;
+    padding: 0.55rem 0 0.55rem;
+  }
+
+  .phase-header {
+    grid-template-columns: auto 1fr auto;
+    gap: 0.45rem;
+    text-align: center;
+  }
+
+  .phase-title h1 {
+    font-size: clamp(1.55rem, 5.8vw, 2.1rem);
+  }
+
+  .phase-subtitle {
+    font-size: 0.92rem;
+  }
+
+  .status-strip {
+    grid-template-columns: repeat(3, minmax(0, 1fr));
+    gap: 0.45rem;
+  }
+
+  .status-card {
+    min-height: 4.5rem;
+    padding: 0.65rem 0.45rem;
+  }
+
+  .status-card strong {
+    font-size: clamp(1.25rem, 4vw, 1.7rem);
+  }
+
   .faceoff-board {
     grid-template-rows: minmax(0, 1fr) auto minmax(0, 1fr);
-    gap: 0.7rem;
+    gap: 0.45rem;
   }
 
   .opponent-zone .mirrored-mobile {
     transform: rotate(180deg);
   }
 
+  .zone-inner {
+    padding: 0.7rem;
+    gap: 0.55rem;
+  }
+
+  .zone-head {
+    align-items: center;
+  }
+
+  .zone-head h2 {
+    font-size: 1.25rem;
+  }
+
+  .zone-stats strong {
+    font-size: 1.05rem;
+  }
+
   .zone-button {
-    min-height: clamp(180px, 28vh, 340px);
-    font-size: clamp(1.9rem, 7vw, 3.2rem);
+    min-height: clamp(118px, 18vh, 180px);
+    font-size: clamp(1.7rem, 6.6vw, 2.7rem);
+  }
+
+  .zone-foot {
+    min-height: 1.3rem;
+    font-size: 0.88rem;
+  }
+
+  .phase-spine {
+    gap: 0.45rem;
+  }
+
+  .spine-card {
+    padding: 0.75rem;
+  }
+
+  .spine-card strong {
+    font-size: 1.15rem;
+  }
+
+  .spine-card p {
+    font-size: 0.92rem;
+  }
+
+  .spine-button {
+    min-height: 3.4rem;
+  }
+
+  .brand-link {
+    justify-self: start;
+  }
+
+  .utility-button {
+    justify-self: end;
+    width: auto;
   }
 }
 
@@ -755,25 +842,34 @@ textarea:focus {
   }
 
   .status-card {
-    min-height: 5.6rem;
+    min-height: 4rem;
+    padding: 0.55rem 0.35rem;
+  }
+
+  .status-card span {
+    font-size: 0.76rem;
   }
 
   .status-card strong {
-    font-size: 1.9rem;
+    font-size: 1.18rem;
   }
 
-  .zone-head,
   .modal-head,
   .section-heading {
     flex-direction: column;
   }
 
-  .zone-stats {
-    text-align: left;
+  .zone-head {
+    flex-direction: row;
+    align-items: center;
   }
 
   .button,
   .spine-button {
     width: 100%;
   }
+
+  .utility-button {
+    width: auto;
+  }
 }