fix: mobile human fight — split view with 60/40 canvas/controls layout

- Canvas takes top 60%, controls panel takes bottom 40% on mobile
- Battle log header/text hidden on mobile, controls always visible
- Multiple choice buttons shown on both mobile and desktop
- Removed canvas overlay approach in favor of proper split layout

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

frontend/src/pages/FightPage.vue

@@ -84,10 +84,8 @@ function applyChallenge(data: any, receivedAt?: number) {
   humanChoices.value = data.choices || []
   humanAnswer.value = ''
   humanSubmitted.value = false
-  // Mobile: 4 second timer for quick tap choices; desktop: full remaining time
+  humanTimer.value = Math.ceil(remaining / 1000)
-  humanTimer.value = isMobile.value ? 4 : Math.ceil(remaining / 1000)
   startTimer()
-  if (!isMobile.value) nextTick(() => answerInput.value?.focus())
 }
 
 function submitChoice(choice: string) {
@@ -645,15 +643,16 @@ function stopAutoBattle() {
     <!-- LIVE HUMAN FIGHT: full arena view with input -->
     <div v-else-if="isLive && isHumanFight" class="flex-1 flex flex-col lg:flex-row gap-1 sm:gap-2 min-h-0">
 
-      <!-- Battle Log + Desktop Human Input (hidden on mobile) -->
+      <!-- Battle Log + Human Input — mobile: bottom 40%, desktop: left 38% -->
-      <div class="hidden lg:flex lg:w-[38%] flex-col min-h-0 border border-border rounded-lg bg-black/90 overflow-hidden lg:order-1">
+      <div class="flex flex-col min-h-0 border border-border rounded-lg bg-black/90 overflow-hidden
-        <div class="bg-surface-raised border-b border-border px-3 py-1.5 flex items-center gap-2 flex-shrink-0">
+                  h-[40%] lg:h-auto lg:w-[38%] order-2 lg:order-1">
+        <div class="bg-surface-raised border-b border-border px-3 py-1.5 hidden lg:flex items-center gap-2 flex-shrink-0">
           <span class="w-2.5 h-2.5 rounded-full bg-ko" />
           <span class="w-2.5 h-2.5 rounded-full bg-neon-yellow" />
           <span class="w-2.5 h-2.5 rounded-full bg-neon-green" />
           <span class="font-pixel text-[10px] text-text-muted ml-2 tracking-wider">BATTLE LOG</span>
         </div>
-        <div ref="liveLogEl" class="flex-1 overflow-y-auto p-2 sm:p-4 font-mono text-xs sm:text-sm space-y-1.5 leading-relaxed">
+        <div ref="liveLogEl" class="flex-1 overflow-y-auto p-2 sm:p-4 font-mono text-xs sm:text-sm space-y-1.5 leading-relaxed hidden lg:block">
           <div v-for="(item, idx) in liveLogItems" :key="idx">
             <div v-if="item.type === 'divider'" class="py-1.5"><div class="border-t border-white/5" /></div>
             <p v-else-if="item.type === 'header'" class="text-neon-purple font-bold text-base tracking-wide pt-3 pb-1 uppercase">{{ item.text }}</p>
@@ -706,17 +705,17 @@ function stopAutoBattle() {
           </div>
           <div v-else-if="humanChallenge && !humanSubmitted">
             <div class="flex items-center justify-between mb-1">
-              <div class="flex items-center gap-2">
+              <div class="flex items-center gap-2 min-w-0 flex-1">
-                <span class="font-display font-black text-[10px] tracking-wider text-neon-cyan">
+                <span class="font-display font-black text-[10px] tracking-wider text-neon-cyan shrink-0">
                   R{{ humanChallenge.roundNumber }}
                 </span>
-                <span class="font-display font-bold text-[9px] tracking-wider text-neon-purple uppercase">
+                <span class="font-display font-bold text-[9px] tracking-wider text-neon-purple uppercase truncate">
                   {{ humanChallenge.label }}
                 </span>
               </div>
               <span
-                class="font-display font-black text-sm tracking-wider tabular-nums"
+                class="font-display font-black text-sm tracking-wider tabular-nums shrink-0 ml-2"
-                :class="humanTimer <= 2 ? 'text-ko animate-pulse' : 'text-neon-yellow'"
+                :class="humanTimer <= 1 ? 'text-ko animate-pulse scale-125' : humanTimer <= 2 ? 'text-ko animate-pulse' : 'text-neon-yellow'"
               >
                 {{ humanTimer }}s
               </span>
@@ -724,26 +723,21 @@ function stopAutoBattle() {
             <p class="font-mono text-[11px] text-text-primary leading-snug mb-1.5 line-clamp-2">
               {{ humanChallenge.prompt }}
             </p>
-            <div class="flex gap-2">
+            <!-- Multiple choice buttons -->
-              <input
+            <div class="flex flex-col gap-1.5">
-                ref="answerInput"
-                v-model="humanAnswer"
-                type="text"
-                maxlength="200"
-                placeholder="Type fast..."
-                class="flex-1 bg-surface border-2 border-border px-2 py-1.5 text-sm font-mono
-                       text-text-primary placeholder-text-muted
-                       focus:outline-none focus:border-neon-pink/50 transition-colors"
-                @keyup.enter="submitHumanAnswer"
-              />
               <button
-                class="px-3 py-1.5 bg-neon-pink/10 border-2 border-neon-pink text-neon-pink
+                v-for="(choice, i) in humanChoices"
-                       font-display font-black text-xs tracking-wider
+                :key="i"
-                       hover:bg-neon-pink/20 transition-all disabled:opacity-30"
+                class="w-full text-left px-3 py-2 border-2 rounded-lg font-mono text-xs leading-snug
-                :disabled="!humanAnswer.trim()"
+                       active:scale-[0.97] transition-all line-clamp-2"
-                @click="submitHumanAnswer"
+                :class="[
+                  i === 0 ? 'border-neon-cyan/40 text-neon-cyan bg-neon-cyan/5 hover:bg-neon-cyan/15 active:bg-neon-cyan/20' :
+                  i === 1 ? 'border-neon-pink/40 text-neon-pink bg-neon-pink/5 hover:bg-neon-pink/15 active:bg-neon-pink/20' :
+                            'border-neon-purple/40 text-neon-purple bg-neon-purple/5 hover:bg-neon-purple/15 active:bg-neon-purple/20'
+                ]"
+                @click="submitChoice(choice)"
               >
-                GO
+                {{ choice }}
               </button>
             </div>
           </div>
@@ -769,8 +763,8 @@ function stopAutoBattle() {
         </div>
       </div>
 
-      <!-- Game Canvas -->
+      <!-- Game Canvas — mobile: top 60%, desktop: right 62% -->
-      <div class="flex-1 lg:w-[62%] flex flex-col min-h-0 border border-border rounded-lg bg-black overflow-hidden lg:order-2">
+      <div class="h-[60%] lg:h-auto lg:flex-1 lg:w-[62%] flex flex-col min-h-0 border border-border rounded-lg bg-black overflow-hidden order-1 lg:order-2">
 
         <!-- Health bars -->
         <div v-if="liveFightData?.botA" class="px-2 sm:px-3 py-1.5 sm:py-2 bg-surface-raised/80 border-b border-border flex-shrink-0">
@@ -843,92 +837,6 @@ function stopAutoBattle() {
             </div>
           </div>
 
-          <!-- MOBILE: Challenge overlay at bottom of canvas -->
-          <div class="absolute bottom-0 left-0 right-0 z-30 lg:hidden">
-            <!-- Post-fight buttons -->
-            <div v-if="humanFightDone" class="bg-gradient-to-t from-black via-black/95 to-transparent px-4 pt-10 pb-4 safe-bottom">
-              <button
-                v-if="myBot"
-                :disabled="isRequeueing"
-                class="w-full py-3.5 bg-neon-cyan/10 border-2 border-neon-cyan/50 text-neon-cyan
-                       font-display font-black text-sm tracking-widest rounded-lg mb-2
-                       hover:bg-neon-cyan/20 transition-all
-                       disabled:opacity-50 disabled:cursor-wait flex items-center justify-center gap-2"
-                @click="fightAgain(myBot!.id)"
-              >
-                <span v-if="isRequeueing" class="w-4 h-4 border-2 border-neon-cyan/30 border-t-neon-cyan rounded-full animate-spin" />
-                {{ isRequeueing ? 'MATCHING...' : 'FIGHT AGAIN' }}
-              </button>
-              <button
-                class="w-full py-2.5 border border-white/10 text-text-muted
-                       font-display text-xs tracking-widest rounded-lg
-                       hover:bg-white/5 transition-all"
-                @click="$router.push('/join')"
-              >
-                BACK TO LOBBY
-              </button>
-            </div>
-            <!-- Cooldown between rounds -->
-            <div v-else-if="roundCooldown > 0" class="bg-gradient-to-t from-black/90 to-transparent px-4 pt-6 pb-4 safe-bottom text-center">
-              <p class="font-display text-neon-yellow text-lg tracking-widest animate-pulse">
-                NEXT ROUND IN {{ roundCooldown }}...
-              </p>
-            </div>
-            <!-- Multiple choice challenge -->
-            <div v-else-if="humanChallenge && !humanSubmitted" class="bg-gradient-to-t from-black via-black/95 to-transparent px-3 pt-8 pb-3 safe-bottom">
-              <div class="flex items-center justify-between mb-1.5">
-                <div class="flex items-center gap-2 min-w-0 flex-1">
-                  <span class="font-display font-black text-[10px] tracking-wider text-neon-cyan shrink-0">R{{ humanChallenge.roundNumber }}</span>
-                  <span class="font-display font-bold text-[10px] tracking-wider text-neon-purple uppercase truncate">{{ humanChallenge.label }}</span>
-                </div>
-                <span
-                  class="font-display font-black text-lg tracking-wider tabular-nums shrink-0 ml-2"
-                  :class="humanTimer <= 1 ? 'text-ko animate-pulse scale-125' : humanTimer <= 2 ? 'text-ko animate-pulse' : 'text-neon-yellow'"
-                >
-                  {{ humanTimer }}
-                </span>
-              </div>
-              <p class="font-mono text-xs text-text-primary leading-snug mb-2 line-clamp-2">
-                {{ humanChallenge.prompt }}
-              </p>
-              <div class="flex flex-col gap-1.5">
-                <button
-                  v-for="(choice, i) in humanChoices"
-                  :key="i"
-                  class="w-full text-left px-3 py-2.5 border-2 rounded-lg font-mono text-xs leading-snug
-                         active:scale-[0.97] transition-all line-clamp-2"
-                  :class="[
-                    i === 0 ? 'border-neon-cyan/40 text-neon-cyan bg-neon-cyan/5 active:bg-neon-cyan/20' :
-                    i === 1 ? 'border-neon-pink/40 text-neon-pink bg-neon-pink/5 active:bg-neon-pink/20' :
-                              'border-neon-purple/40 text-neon-purple bg-neon-purple/5 active:bg-neon-purple/20'
-                  ]"
-                  @click="submitChoice(choice)"
-                >
-                  {{ choice }}
-                </button>
-              </div>
-            </div>
-            <!-- Submitted / waiting -->
-            <div v-else-if="humanSubmitted" class="bg-gradient-to-t from-black/90 to-transparent px-4 pt-6 pb-4 safe-bottom text-center">
-              <p class="font-mono text-text-muted text-sm animate-pulse">Scoring round...</p>
-            </div>
-            <!-- Idle: sound toggle -->
-            <div v-else class="bg-gradient-to-t from-black/80 to-transparent px-4 pt-4 pb-3 safe-bottom flex items-center justify-between">
-              <p class="font-mono text-text-muted text-xs">Waiting for challenge...</p>
-              <button
-                class="w-8 h-8 flex items-center justify-center border border-border/50 text-text-muted
-                       hover:text-neon-cyan hover:border-neon-cyan/50 transition-all"
-                @click="toggleLiveSound"
-              >
-                <svg v-if="liveSoundOn" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" class="w-4 h-4">
-                  <path d="M11 5L6 9H2v6h4l5 4V5z"/><path d="M19.07 4.93a10 10 0 010 14.14M15.54 8.46a5 5 0 010 7.07"/>
-                </svg>
-                <svg v-else xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" class="w-4 h-4">
-                  <path d="M11 5L6 9H2v6h4l5 4V5z"/><line x1="23" y1="9" x2="17" y2="15"/><line x1="17" y1="9" x2="23" y2="15"/>
-                </svg>
-              </button>
-            </div>
-          </div>
         </div>
 
       </div>