.battle-button{background-color:transparent;color:#fff;padding:8px;border-radius:50%;width:36px;height:36px;border:none;cursor:pointer;font-size:1.2rem;display:flex;align-items:center;justify-content:center;transition:all .3s ease}.battle-button:hover{background-color:rgba(255,255,255,.1)}body:not(.dark-mode) .battle-button{color:var(--text-color)}body:not(.dark-mode) .battle-button:hover{background-color:rgba(0,0,0,.1)}.dark-mode .battle-button{color:var(--text-color)}.dark-mode .battle-button:hover{background-color:var(--hover-bg)}.battle-button.hidden{display:none!important}.battle-modal{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background-color:rgba(0,0,0,.6);z-index:10000;justify-content:center;align-items:center;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.battle-modal.show{display:flex}.battle-modal.active{display:flex}.battle-modal-content{background-color:var(--container-bg,#fff);border-radius:12px;box-shadow:0 8px 32px rgba(0,0,0,.3);width:90%;max-width:400px;max-height:90vh;overflow:hidden;animation:battleModalSlideIn .3s ease}@keyframes battleModalSlideIn{from{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}.battle-modal-header{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;border-bottom:1px solid var(--border-color,#e0e0e0)}.battle-modal-title{margin:0;font-size:1.25rem;font-weight:600;color:var(--text-color,#333)}.battle-modal-close{background:0 0;border:none;font-size:1.5rem;cursor:pointer;color:var(--text-secondary,#666);padding:0;line-height:1}.battle-modal-close:hover{color:var(--text-color,#333)}.battle-modal-body{padding:20px}.battle-form-info{display:flex;align-items:flex-start;gap:8px;padding:12px;margin-bottom:16px;background-color:rgba(33,150,243,.1);border-left:3px solid #2196f3;border-radius:4px;font-size:.85rem;color:var(--text-secondary,#666);line-height:1.4}.battle-form-info i{color:#2196f3;margin-top:2px;flex-shrink:0}.battle-search-status{margin-top:12px;padding:10px 12px;border-radius:8px;font-size:.9rem;color:var(--text-secondary,#666);background-color:rgba(0,0,0,.04);min-height:20px}.dark-mode .battle-search-status,[data-theme=dark] .battle-search-status{background-color:rgba(255,255,255,.08);color:var(--text-color)}.dark-mode .battle-form-info{background-color:rgba(33,150,243,.15)}.battle-requirement-notice{display:flex;align-items:center;justify-content:center;gap:8px;padding:10px 16px;margin-bottom:16px;background-color:rgba(165,120,101,.1);border:1px solid var(--primary-color,#a57865);border-radius:8px;color:var(--primary-color,#a57865);font-size:.9rem;font-weight:500}.battle-tabs{display:flex;gap:8px;margin-bottom:20px;padding:20px}.battle-tab{flex:1;padding:10px 16px;border:2px solid var(--border-color,#e0e0e0);background:0 0;border-radius:8px;cursor:pointer;font-size:.9rem;font-weight:500;color:var(--text-secondary,#666);transition:all .2s ease}.battle-tab:hover{border-color:var(--primary-color,#a57865);color:var(--primary-color,#a57865)}.battle-tab.active{background-color:var(--primary-color,#a57865);border-color:var(--primary-color,#a57865);color:#fff}.battle-tab-panel{display:none;animation:fadeIn .2s ease;padding:20px}.battle-tab-panel.active{display:block}.battle-tab-content{animation:fadeIn .2s ease}.battle-tab-content.hidden{display:none}.battle-form-group{margin-bottom:16px}.battle-form-group label{display:block;margin-bottom:6px;font-size:.9rem;font-weight:500;color:var(--text-color,#333)}.battle-form-group input{width:100%;padding:12px 14px;border:2px solid var(--border-color,#e0e0e0);border-radius:8px;font-size:1rem;background-color:var(--input-bg,#fff);color:var(--text-color,#333);transition:border-color .2s ease;box-sizing:border-box}.battle-form-group input:focus{outline:0;border-color:var(--primary-color,#a57865)}.battle-btn-ready{background-color:#4caf50;color:#fff;padding:14px 28px;font-size:1.1rem}.battle-btn-ready:hover{background-color:#43a047}.battle-error{margin-top:16px;padding:12px;background-color:#ffebee;border:1px solid #ef5350;border-radius:8px;color:#c62828;font-size:.9rem}.battle-error.hidden{display:none}.battle-panel{grid-area:stats;background-color:var(--card-bg);border-radius:8px;padding:15px;box-shadow:0 2px 5px var(--shadow-color);display:flex;flex-direction:column;overflow:hidden;height:auto;width:auto;max-width:none;transition:background-color .3s ease,box-shadow .3s ease}.dark-mode .battle-panel,[data-theme=dark] .battle-panel{background-color:var(--card-bg);box-shadow:0 2px 5px rgba(0,0,0,.5)}.battle-panel.hidden{display:none!important}body.battle-mode .stats-container{display:none!important}body.battle-mode .battle-panel{display:flex!important}body.inspection-active .battle-panel,body.timing-active .battle-panel{opacity:0;visibility:hidden;pointer-events:none}.battle-panel-header{display:flex;justify-content:space-between;align-items:center;padding:12px 14px;margin:-15px -15px 10px -15px;background-color:var(--primary-color,#a57865);color:#fff}.battle-room-info{display:flex;align-items:center;gap:8px}.battle-room-label{font-size:.85rem;opacity:.9}.battle-room-code{font-size:1.2rem;font-weight:700;font-family:monospace;letter-spacing:2px}.battle-copy-btn{background:0 0;border:none;cursor:pointer;font-size:1rem;padding:4px;opacity:.8;transition:opacity .2s}.battle-copy-btn:hover{opacity:1}.battle-leave-btn{background-color:rgba(255,255,255,.2);border:none;color:#fff;padding:6px 12px;border-radius:6px;cursor:pointer;font-size:.85rem;transition:background-color .2s}.battle-leave-btn:hover{background-color:rgba(255,255,255,.3)}.battle-panel-body{padding:0;max-height:280px;overflow-y:auto}.dark-mode .battle-panel-body,[data-theme=dark] .battle-panel-body{background-color:var(--card-bg)}.battle-players{display:flex;flex-direction:column;gap:8px}.battle-scramble-display{margin-top:12px;padding:10px 12px;background-color:var(--item-bg,#f5f5f5);border-radius:8px;font-family:monospace;font-size:.85rem;color:var(--text-color,#333);word-break:break-word;line-height:1.4;min-height:24px}.battle-scramble-display:empty::before{content:"Waiting for scramble...";color:var(--text-secondary,#999);font-style:italic;font-family:inherit}.battle-player{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:10px 12px;background-color:var(--item-bg,#f5f5f5);border-radius:8px;cursor:pointer;transition:background-color .2s}.battle-player:hover{background-color:var(--hover-bg,#e8e8e8)}.dark-mode .battle-player,[data-theme=dark] .battle-player{background-color:rgba(255,255,255,.05)}.dark-mode .battle-player:hover,[data-theme=dark] .battle-player:hover{background-color:rgba(255,255,255,.1)}.battle-player-info{display:flex;flex-direction:column;gap:4px;flex:1}.battle-player-actions{display:flex;align-items:center;gap:8px}.battle-player-name{flex:1;font-weight:500;color:var(--text-color,#333);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.battle-player-status{font-size:.8rem;padding:3px 8px;border-radius:12px;background-color:var(--status-bg,#e0e0e0);color:var(--text-secondary,#666)}.dark-mode .battle-player-status,[data-theme=dark] .battle-player-status{background-color:rgba(255,255,255,.1);color:var(--text-color)}.battle-player-time{font-family:monospace;font-weight:600;color:var(--primary-color,#a57865)}.battle-player-points{font-size:.78rem;color:var(--text-secondary,#666)}.battle-player-result{font-size:.76rem;color:var(--text-secondary,#777);text-align:right;white-space:nowrap}.battle-player-winner{border:1px solid rgba(255,194,64,.6);box-shadow:0 0 12px rgba(255,194,64,.18)}.battle-winner-crown{color:#ffc240;filter:drop-shadow(0 0 4px rgba(255, 194, 64, .9));animation:winnerGlow 1.5s ease-in-out infinite alternate}@keyframes winnerGlow{from{opacity:.85}to{opacity:1;filter:drop-shadow(0 0 7px rgba(255, 194, 64, 1))}}.battle-kick-btn{background:0 0;border:none;color:#e74c3c;cursor:pointer;padding:4px 8px;border-radius:4px;transition:all .2s;font-size:14px}.battle-kick-btn:hover{background-color:rgba(231,76,60,.1);color:#c0392b}.battle-opponent-cube{margin-top:12px;min-height:100px;background-color:var(--item-bg,#f5f5f5);border-radius:8px;display:flex;align-items:center;justify-content:center;color:var(--text-secondary,#999);font-size:.85rem}.battle-panel-footer{padding:10px 0 0 0;border-top:1px solid var(--border-color,#e0e0e0);display:flex;flex-direction:column;gap:10px;margin-top:10px}.battle-panel.battle-scramble-phase .battle-host-controls,.battle-panel.battle-scramble-phase .battle-panel-body,.battle-panel.battle-scramble-phase .battle-panel-header,.battle-panel.battle-scramble-phase .battle-player-controls{display:none!important}.battle-panel.battle-scramble-phase .battle-panel-footer{border-top:none;margin-top:0;padding:18px 0}.battle-panel.battle-scramble-phase .battle-status{font-size:2.4rem;font-weight:700;letter-spacing:1px;color:var(--primary-color,#a57865)}.dark-mode .battle-panel-footer,[data-theme=dark] .battle-panel-footer{border-top-color:rgba(255,255,255,.1)}.battle-status{text-align:center;font-size:.9rem;color:var(--text-secondary,#666)}.dark-mode .battle-status,[data-theme=dark] .battle-status{color:var(--text-color)}.battle-host-controls{display:flex;gap:8px}.battle-host-controls.hidden{display:none}.battle-host-controls .battle-btn{flex:1;padding:10px;font-size:.9rem}.battle-form-group input::placeholder{color:var(--text-secondary,#999)}.battle-btn{padding:12px 24px;border:none;border-radius:8px;font-size:1rem;font-weight:500;cursor:pointer;transition:all .2s ease}.battle-btn-primary{width:100%;background-color:var(--primary-color,#a57865);color:#fff}.battle-btn-primary:hover{background-color:var(--primary-hover,#8a6354)}.battle-toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%) translateY(100px);background-color:rgba(0,0,0,.85);color:#fff;padding:12px 24px;border-radius:8px;font-size:.9rem;z-index:10001;opacity:0;transition:all .3s ease;pointer-events:none}.battle-toast.show{transform:translateX(-50%) translateY(0);opacity:1}@media (max-width:768px){body.battle-mode .numeric-keyboard-container,body.battle-mode .stats-container,body.battle-mode .visualization{display:none!important}body.battle-mode .main-content{grid-template-areas:"scramble scramble" "timer timer" "battle battle";grid-template-columns:1fr 1fr}body.battle-mode .battle-panel{grid-area:battle!important;grid-column:1/-1!important;width:100%!important;max-width:100%!important}body.battle-mode.battle-scramble-active .visualization{display:flex!important;visibility:visible!important;opacity:1!important;pointer-events:auto!important}body.battle-mode.battle-scramble-active .visualization.hidden{display:flex!important}body.battle-mode.battle-scramble-active .battle-panel{grid-area:stats!important;grid-column:auto!important;width:auto!important;max-width:none!important}.battle-modal-content{width:95%;max-width:none;margin:10px}.battle-tabs{flex-direction:column}.battle-tab{text-align:center}}@media (max-width:480px){.battle-panel-header{padding:10px 12px}.battle-room-code{font-size:1rem}.battle-panel-body{max-height:200px}.battle-panel.battle-scramble-phase .battle-status{font-size:2rem}.battle-player{padding:8px 10px}.battle-opponent-cube{min-height:80px}}@media screen and (orientation:landscape) and (max-height:450px){body.battle-mode .battle-panel{display:flex!important}}@media (prefers-color-scheme:dark){.battle-error{background-color:rgba(239,83,80,.15);border-color:#ef5350;color:#ff8a80}}.dark-mode .battle-error,[data-theme=dark] .battle-error{background-color:rgba(239,83,80,.15);border-color:#ef5350;color:#ff8a80}.battle-toast{position:fixed;bottom:-100px;left:50%;transform:translateX(-50%);background-color:var(--container-bg,#333);color:var(--text-color,#fff);padding:12px 24px;border-radius:8px;box-shadow:0 4px 12px rgba(0,0,0,.3);z-index:10001;transition:bottom .3s ease;max-width:90%;text-align:center;font-size:14px;font-weight:500}.battle-toast.show{bottom:24px}.dark-mode .battle-toast{background-color:var(--container-bg,#2a2a2a);color:var(--text-color,#f0f0f0);box-shadow:0 4px 12px rgba(0,0,0,.5)}@media (max-width:768px){.battle-toast{bottom:-100px;padding:10px 20px;font-size:13px}.battle-toast.show{bottom:16px}}.battle-stats{display:flex;justify-content:center;align-items:center;gap:24px;margin-top:12px;padding:8px 16px;background-color:rgba(0,0,0,.1);border-radius:8px;font-size:14px}.battle-stats.hidden{display:none!important}.battle-stat{display:flex;align-items:center;gap:6px}.battle-stat-label{color:var(--text-secondary,#888);font-weight:500}.battle-stat-value{color:var(--text-color,#fff);font-weight:700;font-size:16px}.dark-mode .battle-stats{background-color:rgba(255,255,255,.05)}@media (max-width:768px){.battle-stats{gap:16px;font-size:12px;padding:6px 12px}.battle-stat-value{font-size:14px}}.battle-player-controls{display:flex;justify-content:center;gap:12px;margin-top:12px}.battle-player-controls.hidden{display:none!important}.battle-btn-success{background-color:#4caf50;color:#fff}.battle-btn-success:hover:not(:disabled){background-color:#45a049}.battle-btn-success:disabled{background-color:#ccc;cursor:not-allowed;opacity:.6}.battle-scramble-waiting{font-size:16px;color:var(--text-secondary,#888);text-align:center;padding:20px;font-style:italic}.dark-mode .battle-scramble-waiting{color:var(--text-secondary,#aaa)}