:root{--arena-primary:#ff006e;--arena-secondary:#00f5ff;--arena-accent:#bf00ff;--arena-warning:#fa0;--arena-success:#00ff41;--arena-danger:#ff0040;--neon-pink:#ff006e;--neon-cyan:#00f5ff;--neon-purple:#bf00ff;--neon-green:#00ff41;--neon-orange:#fa0;--arena-bg-dark:#0a0a0f;--arena-bg-darker:#050507;--arena-bg-card:#0f0f1af2;--arena-bg-glass:#0f0f1ad9;--arena-bg-panel:#1a1a2ee6;--arena-border:#00f5ff66;--arena-border-bright:#00f5ffcc;--arena-border-active:#ff006e99;--arena-text-primary:#fff;--arena-text-secondary:#00f5ff;--arena-text-muted:#8b8b9a;--arena-glow-cyan:0 0 20px #00f5ff,0 0 40px #00f5ff;--arena-glow-pink:0 0 20px #ff006e,0 0 40px #ff006e;--arena-glow-purple:0 0 20px #bf00ff,0 0 40px #bf00ff;--arena-transition:.3s ease;--arena-transition-slow:.6s ease}.cyber-battle-arena{position:relative;min-height:100vh;background:linear-gradient(135deg,var(--arena-bg-darker) 0%,var(--arena-bg-dark) 25%,#1a1a2e 50%,#16213e 75%,var(--arena-bg-dark) 100%);overflow:hidden;font-family:"Orbitron","JetBrains Mono","Microsoft JhengHei",monospace;color:var(--arena-text-primary)}.cyber-background{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:0}.cyber-grid-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background-image:linear-gradient(#00f5ff1a 1px,transparent 1px),linear-gradient(90deg,#00f5ff1a 1px,transparent 1px);background-size:60px 60px;animation:grid-flow 20s linear infinite;opacity:.6}.cyber-particles{position:absolute;top:0;left:0;width:100%;height:100%;background:radial-gradient(circle at 20% 20%,#ff006e1a 0%,transparent 50%),radial-gradient(circle at 80% 80%,#00f5ff14 0%,transparent 50%),radial-gradient(circle at 50% 50%,#bf00ff0d 0%,transparent 60%);animation:particle-drift 25s ease-in-out infinite alternate}.cyber-scanner{position:absolute;top:0;left:-100%;width:100%;height:2px;background:linear-gradient(90deg,transparent 0%,var(--neon-cyan) 25%,var(--neon-pink) 50%,var(--neon-cyan) 75%,transparent 100%);animation:scanner-sweep 8s linear infinite;opacity:.7}@keyframes grid-flow{0%{transform:translate(0,0)}100%{transform:translate(60px,60px)}}@keyframes particle-drift{0%{opacity:.3;transform:scale(1) rotate(0deg)}100%{opacity:.6;transform:scale(1.1) rotate(10deg)}}@keyframes scanner-sweep{0%{left:-100%;opacity:0}50%{opacity:.7}100%{left:100%;opacity:0}}.battle-arena-container{position:relative;z-index:1;max-width:1600px;margin:0 auto;padding:30px}.arena-control-panel{display:grid;grid-template-columns:1fr 1.5fr 1fr;gap:30px;margin-bottom:40px;align-items:stretch}.panel-section{background:var(--arena-bg-card);border:2px solid var(--arena-border);backdrop-filter:blur(15px);position:relative;overflow:hidden;clip-path:polygon(20px 0,100% 0,calc(100% - 20px) 100%,0 100%);box-shadow:var(--arena-glow-cyan);transition:var(--arena-transition)}.panel-section::before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(45deg,transparent 30%,#00f5ff0d 50%,transparent 70%);animation:panel-shimmer 4s ease-in-out infinite}@keyframes panel-shimmer{0%,100%{opacity:0}50%{opacity:1}}.panel-section:hover{border-color:var(--arena-border-bright);box-shadow:var(--arena-glow-cyan),0 0 60px #00f5ff4d}.left-panel{padding:25px}.terminal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;padding-bottom:15px;border-bottom:1px solid var(--arena-border)}.terminal-title{display:flex;align-items:center;gap:10px;font-weight:600;color:var(--arena-text-secondary);font-size:1.1rem}.terminal-title i{color:var(--neon-cyan);text-shadow:0 0 10px var(--neon-cyan)}.terminal-status{display:flex;align-items:center;gap:8px;font-size:.9rem;color:var(--arena-text-muted)}.status-dot{width:8px;height:8px;border-radius:50%;background:var(--neon-green);box-shadow:0 0 10px var(--neon-green);animation:status-pulse 2s ease-in-out infinite}@keyframes status-pulse{0%,100%{opacity:1}50%{opacity:.5}}.battle-stats-grid{display:flex;flex-direction:column;gap:15px}.stat-block{display:flex;align-items:center;gap:15px;padding:15px;background:#00f5ff0d;border:1px solid var(--arena-border);border-radius:8px;transition:var(--arena-transition)}.stat-block:hover{background:#00f5ff1a;border-color:var(--arena-border-bright)}.stat-icon{font-size:1.5rem;width:40px;text-align:center}.stat-info{display:flex;flex-direction:column;gap:5px}.stat-label{font-size:.9rem;color:var(--arena-text-muted);font-weight:500}.stat-value{font-size:1.8rem;font-weight:700;color:var(--neon-cyan)}.cyber-glow{text-shadow:0 0 15px currentColor;animation:value-glow 2s ease-in-out infinite alternate}@keyframes value-glow{0%{text-shadow:0 0 15px currentColor}100%{text-shadow:0 0 25px currentColor,0 0 35px currentColor}}.center-panel{padding:40px 30px;display:flex;align-items:center;justify-content:center}.arena-title-section{text-align:center;position:relative}.title-glow-wrapper{position:relative;margin-bottom:20px}.arena-title{font-size:3.5rem;font-weight:900;margin:0;display:flex;align-items:center;justify-content:center;gap:20px;text-transform:uppercase;letter-spacing:3px;position:relative}.title-part{background:linear-gradient(45deg,var(--neon-pink),var(--neon-cyan));background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent;text-shadow:0 0 30px #ff006e80;animation:title-glow 3s ease-in-out infinite alternate}.title-separator{color:var(--neon-purple);text-shadow:0 0 20px var(--neon-purple);animation:separator-flicker 2s ease-in-out infinite}@keyframes title-glow{0%{filter:brightness(1)}100%{filter:brightness(1.2)}}@keyframes separator-flicker{0%,100%{opacity:1}50%{opacity:.7}}.arena-subtitle{display:flex;align-items:center;justify-content:center;gap:15px;font-size:1.2rem;color:var(--arena-text-secondary);font-weight:500}.subtitle-line{position:relative;padding:0 10px}.subtitle-line::before{content:"";position:absolute;bottom:-5px;left:0;right:0;height:2px;background:linear-gradient(90deg,transparent,var(--neon-cyan),transparent);animation:line-scan 3s ease-in-out infinite}@keyframes line-scan{0%,100%{opacity:0}50%{opacity:1}}.subtitle-divider{color:var(--neon-orange);text-shadow:0 0 10px var(--neon-orange);animation:divider-pulse 2s ease-in-out infinite}@keyframes divider-pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.2)}}.right-panel{padding:25px;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:20px}.battle-cyber-action-btn{position:relative;background:none;border:none;padding:0;cursor:pointer;font-family:inherit;width:100%;height:60px;overflow:hidden;transition:var(--arena-transition)}.btn-background{position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(135deg,var(--arena-bg-card) 0%,#ff006e1a 50%,var(--arena-bg-card) 100%);border:2px solid var(--arena-border);clip-path:polygon(12px 0,100% 0,calc(100% - 12px) 100%,0 100%);transition:var(--arena-transition)}.btn-glow{position:absolute;top:-50%;left:-50%;right:-50%;bottom:-50%;background:radial-gradient(circle,#ff006e33 0%,transparent 70%);opacity:0;transition:var(--arena-transition)}.btn-border-scan{position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent 0%,var(--neon-cyan) 50%,transparent 100%);opacity:0;transition:var(--arena-transition)}.btn-content{position:relative;z-index:2;display:flex;align-items:center;justify-content:center;gap:10px;height:100%;font-size:1.1rem;font-weight:600;color:var(--arena-text-primary);transition:var(--arena-transition)}.battle-cyber-action-btn:hover .btn-background{border-color:var(--arena-border-bright);background:linear-gradient(135deg,#ff006e1a 0%,#ff006e33 50%,#ff006e1a 100%)}.battle-cyber-action-btn:hover .btn-glow{opacity:1}.battle-cyber-action-btn:hover .btn-border-scan{opacity:1;animation:border-scan 1s ease-in-out}.battle-cyber-action-btn:hover .btn-content{color:var(--neon-cyan);text-shadow:0 0 10px var(--neon-cyan)}@keyframes border-scan{0%{left:-100%}100%{left:100%}}.connection-indicator{display:flex;align-items:center;gap:10px;font-size:.9rem;color:var(--arena-text-muted)}.indicator-line{width:30px;height:1px;background:linear-gradient(90deg,transparent,var(--neon-green),transparent);animation:line-flow 2s ease-in-out infinite}@keyframes line-flow{0%,100%{opacity:.3}50%{opacity:1}}.indicator-pulse{display:flex;align-items:center;gap:8px}.pulse-dot{width:6px;height:6px;border-radius:50%;background:var(--neon-green);box-shadow:0 0 8px var(--neon-green);animation:pulse-beat 1.5s ease-in-out infinite}@keyframes pulse-beat{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(1.3);opacity:.7}}.pulse-text{font-size:.8rem;color:var(--arena-text-muted)}.battle-mode-selector{margin-bottom:40px;background:var(--arena-bg-card);border:2px solid var(--arena-border);backdrop-filter:blur(15px);clip-path:polygon(30px 0,100% 0,calc(100% - 30px) 100%,0 100%);box-shadow:var(--arena-glow-purple);overflow:hidden;position:relative}.battle-mode-selector::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,transparent 0%,var(--neon-purple) 25%,var(--neon-cyan) 50%,var(--neon-purple) 75%,transparent 100%);animation:mode-scan 6s linear infinite}@keyframes mode-scan{0%{transform:translateX(-100%)}100%{transform:translateX(100%)}}.mode-selector-header{display:flex;align-items:center;padding:25px 35px 20px;gap:15px;position:relative}.selector-title{display:flex;align-items:center;gap:10px;font-size:1.2rem;font-weight:600;color:var(--arena-text-secondary)}.selector-title i{color:var(--neon-purple);text-shadow:0 0 10px var(--neon-purple)}.selector-line{flex:1;height:1px;background:linear-gradient(90deg,var(--arena-border),transparent)}.mode-tabs-container{display:flex;padding:0 35px 25px;gap:20px}.mode-tab{flex:1;cursor:pointer;transition:var(--arena-transition);opacity:.6}.tab-frame{position:relative;background:#0a0a0f66;border:2px solid #ffffff1a;clip-path:polygon(15px 0,100% 0,calc(100% - 15px) 100%,0 100%);transition:var(--arena-transition);overflow:hidden}.tab-content{display:flex;align-items:center;justify-content:center;gap:12px;padding:20px;position:relative;z-index:2}.tab-icon{font-size:1.3rem;color:#ffffff80}.tab-text{font-size:1rem;font-weight:600;color:#fff9}.tab-counter{background:#ffffff1a;color:#ffffffb3;padding:4px 10px;border-radius:12px;font-size:.9rem;font-weight:700;min-width:30px;text-align:center;border:1px solid #ffffff1a}.tab-border-effect{position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(135deg,transparent 0%,#00f5ff1a 50%,transparent 100%);opacity:0;transition:var(--arena-transition)}.mode-tab:hover{opacity:.8}.mode-tab:hover .tab-frame{border-color:#00f5ff66;box-shadow:0 0 15px #00f5ff33}.mode-tab:hover .tab-border-effect{opacity:1}.mode-tab.active{opacity:1!important}.mode-tab.active .tab-frame{border-color:var(--neon-cyan)!important;background:linear-gradient(135deg,#00f5ff40 0%,#0f0f1af2 50%,#00f5ff40 100%)!important;box-shadow:var(--arena-glow-cyan),0 0 30px #00f5ff66!important}.mode-tab.active .tab-icon{color:var(--neon-cyan)!important;text-shadow:0 0 15px var(--neon-cyan)!important}.mode-tab.active .tab-text{color:var(--neon-cyan)!important;text-shadow:0 0 15px var(--neon-cyan)!important}.mode-tab.active .tab-counter{background:#00f5ff66!important;color:#fff!important;border-color:var(--neon-cyan)!important;box-shadow:0 0 15px #00f5ff80!important;text-shadow:0 0 10px #00f5ffcc!important}.mode-tab.active .tab-border-effect{opacity:1;animation:active-tab-glow 2s ease-in-out infinite alternate}@keyframes active-tab-glow{0%{opacity:.3}100%{opacity:.7}}.battle-rooms-matrix{background:var(--arena-bg-card);border:2px solid var(--arena-border);backdrop-filter:blur(15px);clip-path:polygon(40px 0,100% 0,calc(100% - 40px) 100%,0 100%);box-shadow:var(--arena-glow-cyan);overflow:hidden;position:relative}.matrix-header{display:flex;align-items:center;justify-content:space-between;padding:30px 40px 25px;border-bottom:1px solid var(--arena-border);position:relative}.matrix-title{display:flex;align-items:center;gap:15px;font-size:1.4rem;font-weight:600;color:var(--arena-text-secondary)}.matrix-title i{color:var(--neon-cyan);text-shadow:0 0 10px var(--neon-cyan)}.matrix-scanner{position:relative;width:100px;height:2px;background:#00f5ff33;overflow:hidden}.scanner-line{position:absolute;top:0;left:-100%;width:50%;height:100%;background:linear-gradient(90deg,transparent 0%,var(--neon-cyan) 50%,transparent 100%);animation:matrix-scan 3s ease-in-out infinite}@keyframes matrix-scan{0%{left:-100%}100%{left:100%}}.rooms-grid-container{padding:30px 40px}.rooms-cyber-grid{display:flex;flex-direction:column;gap:25px;min-height:200px}.battle_room{background:linear-gradient(135deg,#0f1423f2 0%,#191e2de6 100%);border:2px solid #64c8ff66;border-radius:0;clip-path:polygon(20px 0,100% 0,calc(100% - 20px) 100%,0 100%);padding:0;overflow:hidden;position:relative;transition:var(--arena-transition);align-items:center;backdrop-filter:blur(10px);box-shadow:0 0 25px #64c8ff1a inset 0 1px 0 #ffffff1a}.battle_room::before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(45deg,transparent 30%,#00f5ff0d 50%,transparent 70%);opacity:0;transition:var(--arena-transition)}.battle_room:hover{border-color:#64c8ff99;box-shadow:0 0 35px #64c8ff4d inset 0 1px 0 #ffffff26;transform:translateY(-5px)}.battle_room:hover::before{opacity:1}.room_header{display:flex;align-items:center;gap:15px;padding:20px;background:linear-gradient(135deg,#00f5ff1a 0%,transparent 100%);border-bottom:1px solid var(--arena-border);position:relative}.room_header::after{content:"";position:absolute;bottom:0;left:0;right:0;height:2px;background:linear-gradient(90deg,transparent 0%,var(--neon-cyan) 50%,transparent 100%);opacity:0;transition:var(--arena-transition)}.battle_room:hover .room_header::after{opacity:1}.round_info{font-size:.8rem;color:var(--arena-text-muted);text-align:center;margin-bottom:5px}.round_value{font-size:1.1rem;font-weight:700;color:var(--neon-cyan);text-shadow:0 0 10px var(--neon-cyan)}.battleCaseContainer{display:flex;align-items:center;gap:10px;padding:10px;height:100%;overflow-x:auto;overflow-y:hidden}.battleCaseContainer::-webkit-scrollbar{height:4px}.battleCaseContainer::-webkit-scrollbar-track{background:#0003}.battleCaseContainer::-webkit-scrollbar-thumb{background:var(--neon-cyan);border-radius:2px}.caseitem{position:relative;border-radius:6px;display:flex;flex-direction:column;justify-content:center;align-items:center;flex-shrink:0;width:100px;height:100px;transition:all .3s ease;opacity:1;visibility:visible}.price_info{font-size:.8rem;color:var(--arena-text-muted);margin-bottom:3px}.lobby_mode_info{position:absolute;bottom:10px;left:50%;transform:translateX(-50%);font-size:.7rem;color:var(--neon-orange);white-space:nowrap}.players_list,.players_list_2v2{display:flex;align-items:center;justify-content:center;gap:8px;padding:15px 20px}.players_list_2v2{flex-direction:column;gap:5px}.team{display:flex;align-items:center;gap:5px}.vs_text{font-size:.8rem;color:var(--neon-orange);font-weight:600;text-shadow:0 0 8px var(--neon-orange)}.players{width:35px;height:35px;border-radius:50%;border:2px solid var(--arena-border);background:var(--arena-bg-card);overflow:hidden;position:relative}.player_icon{width:100%;height:100%;object-fit:cover}.common_btu{padding:12px 20px;background:linear-gradient(135deg,var(--arena-bg-card) 0%,#00f5ff1a 100%);border:2px solid var(--arena-border);color:var(--arena-text-primary);text-decoration:none;font-weight:600;font-size:.9rem;border-radius:0;clip-path:polygon(8px 0,100% 0,calc(100% - 8px) 100%,0 100%);transition:var(--arena-transition);cursor:pointer;position:relative;overflow:hidden}.common_btu::before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent 0%,#00f5ff4d 50%,transparent 100%);transition:var(--arena-transition)}.common_btu:hover{border-color:var(--arena-border-bright);color:var(--neon-cyan);text-shadow:0 0 10px var(--neon-cyan);box-shadow:0 0 20px #00f5ff4d}.common_btu:hover::before{left:100%}.common_btu:active{transform:scale(0.95)}.common_btu:disabled{opacity:.5;cursor:not-allowed;border-color:var(--arena-text-muted);color:var(--arena-text-muted)}.no_rooms_message{display:none}#loading-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#000c;display:flex;align-items:center;justify-content:center;z-index:9999;color:var(--arena-text-primary);font-size:1.5rem;font-weight:600;backdrop-filter:blur(5px)}#loading-overlay::before{content:"";position:absolute;width:50px;height:50px;border:3px solid var(--arena-border);border-top:3px solid var(--neon-cyan);border-radius:50%;animation:loading-spin 1s linear infinite;margin-bottom:20px}@keyframes loading-spin{0%{transform:rotate(0deg)}100%{transform:rotate(360deg)}}.commonhover{transition:all var(--arena-transition)}.commonhover:hover{transform:scale(1.05)}.commonhover:active{transform:scale(0.95)}.noselect{-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none}@media (max-width: 1200px){.arena-control-panel{grid-template-columns:1fr;gap:20px}.center-panel{order:-1}.arena-title{font-size:2.5rem}}@media (max-width: 768px){.battle-arena-container{padding:20px}.arena-title{font-size:2rem;flex-direction:column;gap:10px}.title-separator{display:none}.mode-tabs-container{flex-direction:column;gap:15px}.rooms-cyber-grid{flex-direction:column}.room_header{flex-direction:column;gap:10px}.case_scroll_wrapper{margin:0;width:100%}.create_header{flex-direction:column;gap:15px;padding:15px}.create_header .battle_settings_middle{width:100%}.create_header .battle_people_mode,.create_header .battle_mode{padding:10px 12px;gap:10px;min-width:unset;width:100%}.create_header .battle_people_mode p,.create_header .battle_mode p{min-width:50px;font-size:.9rem}.create_header .total_price{flex-direction:column;align-items:center;gap:10px;width:100%}.total_price .robot_mode{order:1}.total_price_display{display:inline-flex;align-items:center;gap:0;white-space:nowrap}.total_price_display #totalPriceValue{color:var(--neon-green);font-weight:700;text-shadow:0 0 10px #00ff4180;margin:0;padding:0}.create_header .total_price .common_btu,.create_header .total_price .close_modal_btn{order:2}.modal_content{width:95%;height:90vh;margin-top:20px;padding:20px}.create_body{flex-direction:column}}.modal{position:fixed;top:0;left:0;width:100%;height:100%;background-color:#00000080;display:flex;justify-content:center;align-items:center;z-index:9998}.hiddencss{display:none}.modal_content{padding:30px;border-radius:0;text-align:center;height:80vh;width:75%;max-width:1450px;max-height:90vh;box-shadow:0 0 10px #0000004d;background-color:var(--arena-bg-card);display:flex;flex-direction:column;overflow:hidden;position:fixed;gap:20px;border:2px solid var(--arena-border);top:50vh;left:50%;transform:translate(-50%,-50%)}@media (max-width: 1200px){.modal_content{width:85%;height:85vh}}@media (max-width: 900px){.modal_content{width:90%;height:90vh;padding:20px}}@media (max-width: 600px){.modal_content{width:95%;height:95vh;padding:15px}}.create_header{display:flex;align-items:center;gap:30px;padding:20px 24px;position:relative;overflow:hidden;z-index:1;border:var(--arena-border) 1px solid;border-radius:0;background-color:var(--arena-bg-card);width:100%;box-sizing:border-box;min-width:0}.create_header h2{flex:0 0 auto;min-width:0}.create_header .battle_settings_middle{flex:1;display:flex;flex-direction:column;gap:15px;align-items:center;min-width:0}.create_header .total_price{flex:0 0 auto;display:flex;align-items:center;gap:15px;min-width:0;flex-wrap:wrap}.create_header .battle_people_mode,.create_header .battle_mode{min-width:0;flex-shrink:1}.create_header .total_price .common_btu{flex-shrink:0;white-space:nowrap;min-width:0}.create_header .total_price .close_modal_btn{flex-shrink:0;min-width:40px}.total_price_display{flex-shrink:0;white-space:nowrap}.total_price .robot_mode{flex-shrink:0;white-space:nowrap}.modal_content{overflow-x:hidden;overflow-y:auto}@media (max-width: 1200px){.create_header{gap:20px}.create_header .total_price{flex-wrap:wrap;justify-content:center}}@media (max-width: 1600px){.create_header{flex-direction:column;gap:20px;align-items:stretch}.create_header .battle_settings_middle{width:100%}.create_header .total_price{flex-direction:row;justify-content:center;width:100%}}@media (max-width: 900px){.create_header .total_price{flex-direction:column;gap:12px}}@media (max-width: 768px){.create_header{padding:15px;gap:15px}.create_header .total_price{flex-direction:column;align-items:center;gap:12px;width:100%}.create_header .total_price .common_btu{width:100%;max-width:200px;text-align:center}.create_header .total_price .close_modal_btn{width:50px;height:50px;align-self:center}}@media (max-width: 480px){.create_header{padding:12px;gap:12px}.create_header h2{font-size:1.4rem}.create_header .total_price .common_btu{padding:10px 16px;font-size:.85rem}.total_price .robot_mode{padding:6px 12px;gap:6px}.total_price .robot_mode label{font-size:.8rem}}.create_header p{color:var(--arena-text-primary);font-size:1.2rem;font-weight:600;margin:0}.create_header label{color:var(--arena-text-secondary);cursor:pointer;padding:8px 16px;border-radius:0;transition:var(--arena-transition)}.create_header label:hover{background:#00f5ff1a;color:var(--neon-cyan)}.create_header h2{color:var(--arena-text-primary);font-size:1.8rem;margin:0;text-shadow:0 0 10px #00f5ff80}.battle_people_mode,.battle_mode{display:flex;align-items:center;gap:5px;flex-wrap:wrap;padding:12px 15px;background:#00f5ff14;border:1px solid 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