body{background-color:#212529}.bg-light-dark{background-color:#2b3035}#root{display:flex;flex-direction:column;min-height:100vh}.container{flex:1}:root{--game-primary: #00b4d8;--game-secondary: #00f5d4;--game-accent: #f4a261;--game-danger: #e63946;--game-success: #10b981;--game-warning: #f59e0b;--bg-dark: #0a0e17;--bg-darker: #050811;--bg-card: rgba(22, 33, 62, .8);--bg-card-hover: rgba(22, 33, 62, .95);--text-light: #ffffff;--text-dim: #94a3b8;--text-glow: rgba(0, 245, 212, .8);--border-glow: rgba(0, 180, 216, .4);--shadow-glow: 0 0 20px rgba(0, 180, 216, .3);--level-up: #ffd700;--premium-gold: #ffd700}.header-navbar *{box-sizing:border-box;margin:0;padding:0}.mobile-menu-toggle{position:fixed;top:20px;right:20px;z-index:1001;background:linear-gradient(135deg,var(--game-primary),var(--game-secondary));border:none;border-radius:50%;width:50px;height:50px;color:var(--bg-dark);font-size:24px;font-weight:700;cursor:pointer;box-shadow:var(--shadow-glow);transition:all .3s ease}.mobile-menu-toggle:hover{transform:scale(1.1)}.header-navbar{position:fixed;top:0;left:0;width:320px;height:100vh;background:linear-gradient(135deg,var(--bg-darker),var(--bg-dark));border-right:3px solid var(--border-glow);padding:20px;overflow-y:auto;z-index:1000;transform:translate(-100%);transition:transform .3s ease;box-shadow:10px 0 30px #00000080}@media (max-width: 1024px){.header-navbar{width:100%;max-width:400px}.header-navbar.mobile-open{transform:translate(0)}}@media (min-width: 1025px){.header-navbar.mobile-open{transform:translate(0)}}.brand-bar{padding-bottom:20px;border-bottom:2px solid rgba(255,255,255,.1);margin-bottom:25px}.game-logo{display:flex;align-items:center;gap:15px;margin-bottom:10px}.logo-icon{font-size:40px;background:linear-gradient(45deg,var(--game-primary),var(--game-secondary));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;animation:pulse 2s infinite}.logo-text{display:flex;flex-direction:column}.logo-title{font-size:24px;font-weight:900;color:var(--text-light);text-transform:uppercase;letter-spacing:2px}.logo-subtitle{font-size:18px;font-weight:700;color:var(--game-secondary);letter-spacing:1px}.game-tagline{font-size:12px;color:var(--text-dim);text-align:center;font-style:italic;margin-top:5px}.lobby-header{margin-bottom:25px;text-align:center}.lobby-title{font-size:24px;font-weight:900;color:var(--text-light);margin-bottom:10px;display:flex;align-items:center;justify-content:center;gap:10px}.lobby-icon{font-size:28px;color:var(--game-secondary)}.lobby-status{display:flex;justify-content:center;gap:20px;font-size:14px}.status-online{color:var(--game-success);font-weight:600}.player-count{color:var(--text-dim)}.game-status-bar{background:var(--bg-card);border:2px solid var(--border-glow);border-radius:15px;padding:15px;margin-bottom:25px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.player-info{display:flex;align-items:center;gap:15px;margin-bottom:15px}.player-avatar{position:relative;width:60px;height:60px;border-radius:50%;overflow:hidden;border:3px solid var(--game-primary)}.player-avatar img{width:100%;height:100%;object-fit:cover}.premium-crown{position:absolute;top:-5px;right:-5px;font-size:20px;color:var(--premium-gold)}.player-stats{flex:1}.player-name-rank{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.player-name{font-size:16px;font-weight:700;color:var(--text-light)}.player-rank{background:#00b4d833;color:var(--game-primary);padding:3px 10px;border-radius:10px;font-size:12px;font-weight:600}.player-level-xp{display:flex;align-items:center;gap:10px}.level-badge{background:linear-gradient(135deg,var(--game-primary),var(--game-secondary));color:var(--bg-dark);padding:4px 12px;border-radius:20px;font-size:14px;font-weight:800;min-width:60px;text-align:center}.xp-meter{flex:1;height:20px;background:#ffffff1a;border-radius:10px;position:relative;overflow:hidden}.xp-progress{height:100%;background:linear-gradient(90deg,var(--game-primary),var(--game-secondary));border-radius:10px;transition:width .5s ease}.xp-text{position:absolute;top:0;left:0;width:100%;height:100%;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;color:var(--text-light)}.quick-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.stat-item{text-align:center;padding:10px 5px;background:#ffffff0d;border-radius:10px;transition:all .3s ease}.stat-icon{display:block;font-size:20px;margin-bottom:5px}.stat-value{display:block;font-size:18px;font-weight:800;color:var(--text-light);margin-bottom:2px}.stat-label{font-size:10px;color:var(--text-dim);text-transform:uppercase;letter-spacing:1px}.nav-grid{display:grid;grid-template-columns:1fr;gap:25px;margin-bottom:30px}.menu-category{background:var(--bg-card);border:2px solid rgba(255,255,255,.1);border-radius:15px;padding:20px;transition:all .3s ease}.menu-category:hover{border-color:var(--border-glow);transform:translateY(-5px);box-shadow:var(--shadow-glow)}.category-header{display:flex;align-items:center;gap:10px;margin-bottom:15px}.category-icon{font-size:24px}.category-title{font-size:18px;font-weight:700;color:var(--text-light);margin:0}.category-items{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:10px}.nav-item{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:15px 10px;background:#ffffff0d;border-radius:12px;text-decoration:none;transition:all .3s ease;position:relative;cursor:pointer;text-align:center}.nav-item:hover{background:#ffffff1a;transform:translateY(-3px)}.nav-item-study:hover{border:2px solid var(--game-success)}.nav-item-game:hover{border:2px solid var(--game-primary)}.nav-item-battle:hover{border:2px solid var(--game-danger)}.nav-item-social:hover{border:2px solid var(--game-accent)}.nav-item-challenge{background:linear-gradient(135deg,#f4a26133,#e6394633);border:2px solid var(--game-accent);grid-column:1 / -1}.nav-item-challenge:hover{background:linear-gradient(135deg,#f4a2614d,#e639464d);transform:scale(1.05)}.challenge-glow{position:absolute;top:-2px;left:-2px;right:-2px;bottom:-2px;background:linear-gradient(45deg,transparent,rgba(244,162,97,.2),transparent);border-radius:12px;animation:glow 2s infinite}.nav-icon-container{position:relative;margin-bottom:8px}.nav-icon{font-size:32px;display:block;margin-bottom:5px}.nav-label{font-size:14px;font-weight:600;color:var(--text-light);display:block}.nav-desc{font-size:11px;color:var(--text-dim);margin-top:5px;line-height:1.3}.nav-badge{position:absolute;top:-5px;right:-5px;background:var(--game-danger);color:#fff;font-size:10px;font-weight:700;min-width:18px;height:18px;border-radius:50%;display:flex;align-items:center;justify-content:center;padding:2px}.quick-actions{display:flex;justify-content:space-between;gap:10px;padding-top:20px;border-top:2px solid rgba(255,255,255,.1)}.action-btn{flex:1;padding:12px;border:none;border-radius:12px;background:#ffffff0d;color:var(--text-light);font-weight:600;cursor:pointer;transition:all .3s ease;display:flex;flex-direction:column;align-items:center;gap:5px}.action-btn:hover{background:#ffffff1a;transform:translateY(-2px)}.action-profile:hover{border:2px solid var(--game-primary)}.action-settings:hover{border:2px solid var(--game-secondary)}.action-logout:hover{border:2px solid var(--game-danger)}.action-icon{font-size:20px}.action-label{font-size:12px}.profile-menu{animation:slideIn .3s ease}.back-btn{background:#ffffff0d;border:2px solid var(--border-glow);color:var(--text-light);padding:10px 15px;border-radius:10px;font-weight:600;cursor:pointer;transition:all .3s ease;margin-bottom:20px;width:100%}.back-btn:hover{background:#ffffff1a}.profile-header{text-align:center;margin-bottom:25px}.profile-avatar-large{position:relative;width:100px;height:100px;border-radius:50%;overflow:hidden;border:4px solid var(--game-primary);margin:0 auto 15px}.profile-avatar-large img{width:100%;height:100%;object-fit:cover}.premium-badge-large{position:absolute;bottom:-10px;left:50%;transform:translate(-50%);background:linear-gradient(45deg,var(--premium-gold),#ffa500);color:var(--bg-dark);padding:5px 15px;border-radius:15px;font-size:12px;font-weight:800;white-space:nowrap}.profile-name{font-size:24px;font-weight:800;color:var(--text-light);margin-bottom:5px}.profile-rank{color:var(--game-primary);font-weight:600;font-size:16px}.profile-stats-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:15px;margin-bottom:25px}.profile-stat{display:flex;align-items:center;gap:15px;background:#ffffff0d;padding:15px;border-radius:12px;transition:all .3s ease}.profile-stat:hover{background:#ffffff1a;transform:translateY(-2px)}.profile-stat .stat-icon{font-size:32px;margin:0}.stat-info{display:flex;flex-direction:column}.stat-value{font-size:20px;font-weight:800;color:var(--text-light);margin-bottom:2px}.stat-label{font-size:12px;color:var(--text-dim)}.profile-actions{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.profile-action-btn{background:#ffffff0d;border:2px solid rgba(255,255,255,.1);border-radius:10px;padding:12px;text-decoration:none;color:var(--text-light);font-weight:600;text-align:center;transition:all .3s ease;position:relative;display:flex;flex-direction:column;align-items:center;gap:5px}.profile-action-btn:hover{background:#ffffff1a;border-color:var(--game-primary);transform:translateY(-2px)}.notification-dot{position:absolute;top:-5px;right:-5px;background:var(--game-danger);color:#fff;font-size:10px;font-weight:700;min-width:18px;height:18px;border-radius:50%;display:flex;align-items:center;justify-content:center}.guest-lobby{padding:20px}.guest-header{text-align:center;margin-bottom:30px}.guest-title{font-size:24px;font-weight:900;color:var(--text-light);margin-bottom:10px;background:linear-gradient(45deg,var(--game-primary),var(--game-secondary));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.guest-subtitle{font-size:14px;color:var(--text-dim);margin-bottom:25px}.guest-actions{display:flex;gap:15px;margin-bottom:30px}.guest-action-btn{flex:1;padding:18px;border:none;border-radius:15px;text-decoration:none;font-weight:700;font-size:16px;text-align:center;transition:all .3s ease;display:flex;flex-direction:column;align-items:center;gap:10px}.guest-login{background:#00b4d833;color:var(--game-primary);border:2px solid var(--game-primary)}.guest-register{background:linear-gradient(135deg,var(--game-primary),var(--game-secondary));color:var(--bg-dark);border:2px solid var(--game-secondary)}.guest-action-btn:hover{transform:translateY(-3px);box-shadow:var(--shadow-glow)}.guest-features{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}.feature{display:flex;flex-direction:column;align-items:center;gap:8px;padding:15px;background:#ffffff0d;border-radius:12px;transition:all .3s ease}.feature:hover{background:#ffffff1a;transform:translateY(-2px)}.feature-icon{font-size:24px}.feature-text{font-size:12px;color:var(--text-light);font-weight:600;text-align:center}@keyframes pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.8;transform:scale(1.1)}}@keyframes glow{0%,to{opacity:.5}50%{opacity:1}}@keyframes slideIn{0%{opacity:0;transform:translate(-20px)}to{opacity:1;transform:translate(0)}}.header-navbar::-webkit-scrollbar{width:8px}.header-navbar::-webkit-scrollbar-track{background:#ffffff0d;border-radius:4px}.header-navbar::-webkit-scrollbar-thumb{background:var(--game-primary);border-radius:4px}.header-navbar::-webkit-scrollbar-thumb:hover{background:var(--game-secondary)}.arena-home-screen{position:relative;min-height:100vh;padding:20px;color:#fff;font-family:Segoe UI,Roboto,sans-serif;overflow-x:hidden}.arena-background{position:fixed;top:0;left:0;right:0;bottom:0;background:linear-gradient(135deg,#0f0c29,#302b63,#24243e);z-index:-1}.bg-grid{position:absolute;top:0;left:0;right:0;bottom:0;background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);background-size:40px 40px}.bg-particles{position:absolute;top:0;left:0;right:0;bottom:0;opacity:.3;background:radial-gradient(circle at 20% 50%,rgba(120,119,198,.3) 0%,transparent 50%),radial-gradient(circle at 80% 20%,rgba(255,119,198,.2) 0%,transparent 50%)}.player-status-bar{display:flex;justify-content:space-between;align-items:center;padding:15px 25px;background:#0009;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:20px;border:1px solid rgba(255,255,255,.1);margin-bottom:30px;box-shadow:0 10px 30px #0000004d}.status-left{display:flex;align-items:center;gap:20px}.player-avatar-container{position:relative;width:70px;height:70px}.player-avatar{width:100%;height:100%;border-radius:50%;border:3px solid #00ff88;object-fit:cover}.level-badge{position:absolute;bottom:-5px;right:-5px;width:30px;height:30px;background:linear-gradient(135deg,#ff0080,#ff8c00);border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;border:2px solid white}.premium-badge{position:absolute;top:-5px;right:-5px;background:gold;color:#000;padding:2px 6px;border-radius:10px;font-size:12px}.player-info{display:flex;flex-direction:column;gap:10px}.player-name-rank{display:flex;align-items:center;gap:15px}.player-name{font-size:1.8rem;font-weight:800;background:linear-gradient(45deg,#0f8,#0cf);-webkit-background-clip:text;-webkit-text-fill-color:transparent;text-shadow:0 2px 10px rgba(0,255,136,.3)}.rank-badge{background:#ffffff1a;padding:5px 12px;border-radius:15px;font-weight:700;font-size:.9rem}.xp-progress-container{width:300px}.xp-bar{height:10px;background:#ffffff1a;border-radius:5px;overflow:hidden;margin-bottom:5px}.xp-fill{height:100%;background:linear-gradient(90deg,#0f8,#0cf);border-radius:5px;transition:width .5s ease}.xp-text{display:flex;justify-content:space-between;font-size:.9rem;color:#ffffffb3}.status-right{display:flex;align-items:center;gap:30px}.stats-container{display:flex;gap:25px}.stat-item{display:flex;align-items:center;gap:10px;padding:10px 20px;background:#ffffff0d;border-radius:15px;transition:all .3s ease}.stat-item:hover{background:#ffffff1a;transform:translateY(-2px)}.stat-icon{font-size:1.5rem}.stat-content{display:flex;flex-direction:column}.stat-value{font-size:1.2rem;font-weight:700;color:#0f8}.stat-label{font-size:.8rem;color:#ffffffb3}.quick-access{display:flex;gap:15px}.access-btn{width:50px;height:50px;border-radius:50%;background:#ffffff1a;border:none;color:#fff;font-size:1.2rem;cursor:pointer;position:relative;transition:all .3s ease}.access-btn:hover{background:#fff3;transform:scale(1.1)}.notification-count{position:absolute;top:-5px;right:-5px;background:#ff4757;color:#fff;font-size:.8rem;padding:2px 6px;border-radius:10px;font-weight:700}.continue-section{margin-bottom:40px}.continue-card{background:linear-gradient(135deg,#00ff881a,#00ccff1a);border:1px solid rgba(0,255,136,.3);border-radius:20px;padding:25px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);position:relative;overflow:hidden}.continue-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,#0f8,#0cf)}.continue-header{display:flex;align-items:center;gap:15px;margin-bottom:20px}.continue-icon{font-size:2rem}.continue-title{font-size:1.3rem;font-weight:800;color:#0f8}.continue-content{display:flex;justify-content:space-between;align-items:center}.quest-info{flex:1}.quest-title{font-size:1.2rem;font-weight:600;margin-bottom:10px}.quest-progress{display:flex;align-items:center;gap:15px}.progress-bar{width:300px;height:8px;background:#ffffff1a;border-radius:4px;overflow:hidden}.progress-fill{height:100%;background:linear-gradient(90deg,#0f8,#0cf);border-radius:4px}.progress-text{color:#ffffffb3;font-size:.9rem}.resume-btn{background:linear-gradient(135deg,#0f8,#0cf);border:none;padding:12px 30px;border-radius:50px;color:#fff;font-weight:700;font-size:1rem;cursor:pointer;display:flex;align-items:center;gap:10px;transition:all .3s ease}.resume-btn:hover{transform:scale(1.05);box-shadow:0 0 20px #00ff8880}.resume-icon{font-size:1.2rem}.primary-actions-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:40px}.primary-action{position:relative;height:200px;border-radius:25px;background:#0009;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:2px solid transparent;cursor:pointer;overflow:hidden;transition:all .3s ease}.primary-action:hover{transform:translateY(-10px);border-color:#ffffff4d}.primary-action:hover .action-glow{opacity:1}.action-glow{position:absolute;top:0;left:0;right:0;bottom:0;opacity:0;transition:opacity .3s ease}.play-action .action-glow{background:radial-gradient(circle at center,rgba(0,255,136,.2) 0%,transparent 70%)}.quests-action .action-glow{background:radial-gradient(circle at center,rgba(255,193,7,.2) 0%,transparent 70%)}.duels-action .action-glow{background:radial-gradient(circle at center,rgba(255,87,87,.2) 0%,transparent 70%)}.squads-action .action-glow{background:radial-gradient(circle at center,rgba(87,87,255,.2) 0%,transparent 70%)}.action-content{position:relative;z-index:2;height:100%;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:20px}.action-icon{font-size:3rem;margin-bottom:15px;text-shadow:0 0 20px currentColor}.play-action .action-icon{color:#0f8}.quests-action .action-icon{color:#ffc107}.duels-action .action-icon{color:#ff5757}.squads-action .action-icon{color:#5757ff}.action-title{font-size:1.8rem;font-weight:900;margin-bottom:5px}.action-subtitle{color:#ffffffb3;font-size:.9rem;margin-bottom:10px}.action-badge,.quest-count,.xp-stake,.squad-status{background:#ffffff1a;padding:5px 15px;border-radius:15px;font-size:.8rem;font-weight:700;margin-top:10px}.secondary-clusters{display:flex;justify-content:center;gap:30px;margin-bottom:40px}.cluster-container{position:relative}.cluster-btn{display:flex;align-items:center;gap:10px;padding:15px 30px;background:#ffffff1a;border:2px solid transparent;border-radius:50px;color:#fff;font-weight:700;font-size:1rem;cursor:pointer;transition:all .3s ease}.cluster-btn:hover{background:#fff3;transform:scale(1.05)}.cluster-btn.active{background:#0f83;border-color:#0f8}.cluster-icon{font-size:1.3rem}.pending-indicator{background:#ff4757;color:#fff;font-size:.8rem;padding:2px 8px;border-radius:10px;margin-left:5px}.sub-menu{position:absolute;top:calc(100% + 10px);left:50%;transform:translate(-50%);background:#000000e6;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.1);border-radius:20px;padding:20px;min-width:250px;z-index:1000;box-shadow:0 20px 40px #00000080;animation:slideDown .3s ease}@keyframes slideDown{0%{opacity:0;transform:translate(-50%) translateY(-10px)}to{opacity:1;transform:translate(-50%) translateY(0)}}.sub-menu-item{display:flex;align-items:center;gap:15px;padding:15px;color:#fff;text-decoration:none;border-radius:10px;transition:all .3s ease}.sub-menu-item:hover{background:#ffffff1a}.item-icon{font-size:1.2rem}.item-label{flex:1}.item-badge{background:#0f8;color:#000;padding:3px 8px;border-radius:10px;font-size:.8rem;font-weight:700}.missions-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px;padding-bottom:10px;border-bottom:1px solid rgba(255,255,255,.1)}.missions-header h4{color:#ffc107;margin:0}.missions-xp{color:#0f8;font-size:.9rem;font-weight:700}.mission-item{display:flex;justify-content:space-between;align-items:center;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.05)}.mission-info{flex:1}.mission-title{display:block;font-size:.9rem;margin-bottom:5px}.mission-progress{display:flex;align-items:center;gap:10px}.mission-bar{width:150px;height:6px;background:#ffffff1a;border-radius:3px;overflow:hidden}.mission-fill{height:100%;background:linear-gradient(90deg,#ffc107,#ff8c00);border-radius:3px}.mission-text{font-size:.8rem;color:#ffffffb3}.mission-xp{color:#0f8;font-weight:700;font-size:.9rem}.view-all-btn{display:block;text-align:center;margin-top:15px;color:#0cf;text-decoration:none;font-size:.9rem;transition:all .3s ease}.view-all-btn:hover{color:#0f8}.study-hub-cluster{background:#0009;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:25px;padding:25px;border:1px solid rgba(255,255,255,.1)}.cluster-header{display:flex;align-items:center;gap:15px;margin-bottom:20px}.cluster-title{font-size:1.3rem;font-weight:800;color:#0cf;margin:0}.cluster-subtitle{color:#ffffffb3;font-size:.9rem}.study-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.study-card{background:#ffffff0d;border-radius:15px;padding:20px;text-decoration:none;color:#fff;display:flex;align-items:center;gap:15px;transition:all .3s ease}.study-card:hover{background:#ffffff1a;transform:translateY(-5px)}.subjects-card{border-left:4px solid #00ff88}.concepts-card{border-left:4px solid #ffc107}.upload-card{border-left:4px solid #00ccff}.study-icon{font-size:2rem}.study-info{flex:1}.study-info h4{margin:0 0 5px;font-size:1.1rem}.study-info p{margin:0;font-size:.9rem;color:#ffffffb3}.study-progress{background:#0f83;color:#0f8;padding:5px 15px;border-radius:15px;font-weight:700}.study-badge{background:#ffc10733;color:#ffc107;padding:5px 15px;border-radius:15px;font-weight:700}.study-arrow{color:#0cf;font-size:1.5rem;font-weight:700}.mobile-fab{display:none;position:fixed;bottom:30px;right:30px;z-index:1000}.fab-main{width:60px;height:60px;border-radius:50%;background:linear-gradient(135deg,#0f8,#0cf);border:none;color:#fff;font-size:1.5rem;cursor:pointer;box-shadow:0 10px 20px #0000004d;transition:all .3s ease}.fab-actions{position:absolute;bottom:70px;right:0;display:flex;flex-direction:column;gap:10px;opacity:0;visibility:hidden;transition:all .3s ease}.mobile-fab:hover .fab-actions{opacity:1;visibility:visible}.fab-action{width:50px;height:50px;border-radius:50%;background:#000c;border:2px solid rgba(255,255,255,.2);color:#fff;font-size:1.2rem;cursor:pointer;transition:all .3s ease}.fab-action:hover{transform:scale(1.1);border-color:#0f8}@media (max-width: 1200px){.primary-actions-grid{grid-template-columns:repeat(2,1fr)}.stats-container{gap:15px}.stat-item{padding:10px 15px}}@media (max-width: 768px){.arena-home-screen{padding:15px}.player-status-bar{flex-direction:column;gap:20px;padding:15px}.status-left,.status-right,.xp-progress-container{width:100%}.stats-container{justify-content:space-between;width:100%}.primary-actions-grid{grid-template-columns:1fr;gap:15px}.secondary-clusters{flex-direction:column;gap:15px}.sub-menu{position:fixed;top:auto;bottom:0;left:0;right:0;transform:none;border-radius:20px 20px 0 0;animation:slideUp .3s ease}@keyframes slideUp{0%{transform:translateY(100%)}to{transform:translateY(0)}}.study-grid{grid-template-columns:1fr}.mobile-fab{display:block}.continue-content{flex-direction:column;gap:20px}.progress-bar{width:100%}.resume-btn{width:100%;justify-content:center}}@media (max-width: 480px){.player-avatar-container{width:50px;height:50px}.player-name{font-size:1.4rem}.action-title{font-size:1.5rem}.primary-action{height:150px}.action-icon{font-size:2rem}}@keyframes pulse-glow{0%,to{box-shadow:0 0 10px currentColor}50%{box-shadow:0 0 20px currentColor}}.pending-duel{animation:pulse-glow 2s infinite}