:root{--bg:#f8fafc;--text:#0f172a;--muted:#64748b;--border-color:#e2e8f0;--primary:#e52e2e;--primary-dark:#b81d1d;--secondary:#fff;--secondary-dark:#cbd5e1;--success:#22c55e;--success-dark:#16a34a;--error:#ef4444;--error-dark:#dc2626;--radius:28px}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{background-color:var(--bg);min-height:100vh;color:var(--text);-webkit-font-smoothing:antialiased;font-family:Nunito,sans-serif}body{width:100%;overflow-x:hidden}.app-container{width:100%;min-height:100vh;display:flex}.sidebar{border-right:2px solid var(--border-color);background:#fff;flex-direction:column;gap:8px;width:256px;padding:32px 16px;display:flex;position:fixed;top:0;bottom:0;left:0;overflow-y:auto}.sidebar-logo{color:var(--primary);align-items:center;gap:12px;margin-bottom:40px;padding:0 12px;font-family:Outfit,sans-serif;font-size:1.6rem;font-weight:900;display:flex}.sidebar-logo img{object-fit:contain;width:42px;height:42px}.nav-item{text-transform:uppercase;color:var(--muted);cursor:pointer;border:2px solid #0000;border-radius:16px;align-items:center;gap:16px;padding:14px 20px;font-size:1.05rem;font-weight:800;transition:all .1s;display:flex}.nav-item:hover{color:var(--primary);background:#f9fafb}.nav-item.active{color:var(--primary);background:#fee2e2;border-color:#fca5a5}.nav-item i{font-size:1.25rem}.app-main{flex:1;justify-content:center;align-items:flex-start;min-width:0;margin-left:256px;padding:40px 24px 100px;display:flex}.app-main.no-sidebar{justify-content:center;align-items:center;min-height:100vh;margin-left:0;padding:40px 16px 100px}.mobile-nav{border-top:2px solid var(--border-color);z-index:1000;background:#fff;justify-content:space-around;align-items:center;height:72px;display:none;position:fixed;bottom:0;left:0;right:0}.mobile-nav-item{color:var(--muted);text-transform:uppercase;cursor:pointer;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:4px;height:100%;font-size:.8rem;font-weight:800;display:flex}.mobile-nav-item i{font-size:1.35rem}.mobile-nav-item.active{color:var(--primary)}@media (width<=768px){.sidebar{display:none}.app-main{max-width:100vw;margin-left:0;padding:16px 12px 96px}.mobile-nav{display:flex}.card{width:100%;max-width:100%;padding:24px 16px}.leaderboard-item{border-left:none;border-right:none;border-radius:0;gap:8px;margin-left:-16px;margin-right:-16px;padding:12px 16px}.leaderboard-rank{width:26px;font-size:1.1rem}.leaderboard-name{min-width:0;font-size:.95rem}.leaderboard-score{font-size:.85rem}.aciertos-label{display:none}}.card{border:2px solid var(--border-color);border-radius:var(--radius);width:100%;max-width:680px;box-shadow:0 8px 0 var(--border-color);background:#fff;flex-direction:column;gap:28px;padding:36px;animation:.3s cubic-bezier(.34,1.56,.64,1) slideUp;display:flex}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}h1,h2,h3,h4{color:var(--text);font-family:Outfit,sans-serif;font-weight:900;line-height:1.2}h1{color:var(--primary);text-transform:uppercase;text-align:center;letter-spacing:-.5px;font-size:2.4rem}h2{text-align:center;font-size:1.8rem}.btn{text-transform:uppercase;cursor:pointer;-webkit-user-select:none;user-select:none;border:none;border-radius:16px;outline:none;justify-content:center;align-items:center;gap:10px;width:100%;padding:16px 28px;font-size:1.05rem;font-weight:800;text-decoration:none;transition:all .1s;display:inline-flex}.primary-btn{color:#fff;background:var(--primary);border-bottom:6px solid var(--primary-dark)}.primary-btn:hover{filter:brightness(1.05)}.primary-btn:active{border-bottom-width:2px;transform:translateY(4px)}.secondary-btn{color:var(--text);background:var(--secondary);border:2px solid var(--border-color);border-bottom:6px solid var(--border-color)}.secondary-btn:hover{background:#f9fafb}.secondary-btn:active{border-bottom-width:2px;transform:translateY(4px)}.success-btn{color:#fff;background:var(--success);border-bottom:6px solid var(--success-dark)}.success-btn:hover{filter:brightness(1.05)}.success-btn:active{border-bottom-width:2px;transform:translateY(4px)}.error-btn{color:#fff;background:var(--error);border-bottom:6px solid 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var(--border-color);border-top:none;border-right:none;top:24px;bottom:auto;left:-10px;transform:translateY(-50%)rotate(45deg)}.speech-bubble p{font-size:1.02rem;line-height:1.35}}.challenge-card{border-bottom:6px solid var(--border-color);border-radius:24px;flex-direction:column;gap:24px;padding:28px;animation:.3s ease-out fadeInUp;display:flex}.mascot-wrapper{border:2.5px solid var(--border-color);border-bottom:6px solid var(--border-color);background:#fff;border-radius:24px;flex-shrink:0;padding:8px;box-shadow:0 4px 10px #00000008}.submit-answer-btn{z-index:10;border-bottom-width:5px;border-radius:20px;width:100%;margin-top:16px;padding:16px;font-size:1.1rem;font-weight:900;position:sticky;bottom:12px;box-shadow:0 -8px 24px #fffffff2}.challenge-header-bar{gap:16px}@media (width<=768px){.challenge-card{border-bottom-width:4px;border-radius:20px;gap:16px;padding:16px}.mascot-wrapper{border-bottom-width:4px;border-radius:16px;padding:6px}.submit-answer-btn{border-bottom-width:4px;border-radius:16px;margin-top:12px;padding:12px;font-size:.95rem;bottom:8px}.challenge-header-bar{gap:8px}}.answers-grid{grid-template-columns:1fr;gap:16px;width:100%;margin-top:16px;display:grid}@media (width>=550px){.answers-grid{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}}.answers-grid.compact{grid-template-columns:1fr;gap:10px}@media (width>=550px){.answers-grid.compact{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));max-height:none;padding-right:0;overflow-y:visible}}.answers-grid.compact .option-card{border-bottom-width:4px;border-radius:14px;padding:12px 16px}.answers-grid.compact .option-card:active{border-bottom-width:2px;transform:translateY(2px)scale(.99)}.answers-grid.compact .option-card.selected{border-bottom-width:3px;transform:translateY(1px)}.answers-grid.compact .option-badge{border-radius:8px;width:28px;height:28px;font-size:.95rem}.answers-grid.compact .option-text{font-size:1rem}.answers-grid.compact .keyboard-hint{display:none}@media (width<=768px){.keyboard-hint{display:none}}.option-card{border:2px solid var(--border-color);border-bottom:6px solid var(--border-color);cursor:pointer;-webkit-user-select:none;user-select:none;touch-action:manipulation;background:#fff;border-radius:20px;align-items:center;gap:16px;padding:18px 22px;transition:transform .15s cubic-bezier(.34,1.56,.64,1),border-color .15s,background-color .15s,box-shadow .15s;display:flex}.option-card:hover{border-color:var(--primary);background:#fdfdfd;transform:translateY(-2px)scale(1.02);box-shadow:0 8px 16px 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#0000000d;border-radius:10px;width:100%;height:20px;position:relative;overflow:hidden}.progress-bar{background:var(--success);border-radius:10px;height:100%;transition:width 1s linear}.battle-arena{border:2px solid var(--border-color);background:linear-gradient(135deg,#f8fafc 0%,#f1f5f9 100%);border-radius:24px;justify-content:space-around;align-items:center;margin-bottom:24px;padding:24px 16px;display:flex;position:relative;overflow:hidden}.combatant{z-index:2;flex-direction:column;align-items:center;transition:all .5s;display:flex;position:relative}.combat-accessory{z-index:10;font-size:1.6rem;position:absolute;top:-16px}.combat-horn{z-index:12;filter:drop-shadow(0 2px 4px #00000026);font-size:1.8rem;position:absolute;top:15px}.combat-horn.left{animation:1.5s ease-in-out infinite hornBlowRight;right:-24px;transform:scaleX(1)}.combat-horn.right{animation:1.5s ease-in-out infinite hornBlowLeft;left:-24px;transform:scaleX(-1)}.soundwaves{color:#3b82f6;opacity:0;pointer-events:none;font-size:.8rem;font-weight:900;position:absolute;top:20px}.soundwaves.to-right{animation:1.5s ease-in-out infinite soundwaveRight;left:45px}.soundwaves.to-left{animation:1.5s ease-in-out infinite soundwaveLeft;right:45px}@keyframes hornBlowRight{0%,to{transform:scale(1)rotate(0)}20%{transform:scale(1.3)rotate(-15deg)}40%{transform:scale(1.1)rotate(5deg)}60%{transform:scale(1.3)rotate(-15deg)}80%{transform:scale(1)rotate(0)}}@keyframes hornBlowLeft{0%,to{transform:scaleX(-1)scale(1)rotate(0)}20%{transform:scaleX(-1)scale(1.3)rotate(-15deg)}40%{transform:scaleX(-1)scale(1.1)rotate(5deg)}60%{transform:scaleX(-1)scale(1.3)rotate(-15deg)}80%{transform:scaleX(-1)scale(1)rotate(0)}}@keyframes soundwaveRight{0%{opacity:0;transform:translate(0)scale(.5)}30%{opacity:1}80%{opacity:0;transform:translate(40px)scale(1.3)}to{opacity:0}}@keyframes 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12px;font-family:Outfit,sans-serif;font-size:1.5rem;font-weight:950}.leaderboard-list{flex-direction:column;gap:10px;display:flex}.leaderboard-item{border:2px solid var(--border-color);border-bottom:5px solid var(--border-color);background:#fff;border-radius:16px;align-items:center;gap:16px;padding:14px 20px;transition:all .1s;display:flex}.leaderboard-item:hover{transform:translateY(-2px)}.leaderboard-item.highlight{background:#fffbeb;border-color:#fbbf24 #fbbf24 #d97706}.leaderboard-item.friend-highlight{background:#f0f7ff;border-color:#93c5fd #93c5fd #3b82f6}.leaderboard-rank{text-align:center;width:36px;font-family:Outfit,sans-serif;font-size:1.3rem;font-weight:900}.leaderboard-avatar{object-fit:cover;border:2px solid var(--border-color);background:#fff;border-radius:50%;width:44px;height:44px}.leaderboard-name{flex:1;min-width:0;font-size:1.1rem;font-weight:800}.leaderboard-score{color:var(--primary);text-align:right;white-space:nowrap;flex-shrink:0;font-size:1.05rem;font-weight:900}.chat-shell{flex-direction:column;width:100%;height:520px;display:flex}.chat-messages{border:2px solid var(--border-color);background:#f9fafb;border-radius:16px;flex-direction:column;flex:1;gap:14px;padding:16px;display:flex;overflow-y:auto}.message-bubble{align-items:flex-end;gap:10px;max-width:75%;animation:.25s ease-out messageSlideIn;display:flex}@keyframes messageSlideIn{0%{opacity:0;transform:translateY(10px)scale(.98)}to{opacity:1;transform:translateY(0)scale(1)}}.message-bubble.me{flex-direction:row-reverse;align-self:flex-end}.message-avatar{object-fit:cover;border:1.5px solid var(--border-color);border-radius:50%;width:34px;height:34px;box-shadow:0 1px 3px #0000000d}.message-content-wrapper{flex-direction:column;gap:2px;max-width:100%;display:flex}.message-sender{color:var(--muted);margin-bottom:2px;padding:0 6px;font-size:.72rem;font-weight:900}.message-text{border:1.5px solid var(--border-color);word-break:break-word;color:var(--text);background:#fff;border-radius:18px 18px 18px 4px;padding:10px 16px;font-size:.92rem;font-weight:700;line-height:1.4;box-shadow:0 2px 6px #00000008}.message-bubble.me .message-text{color:var(--text);background:linear-gradient(135deg,#fee2e2,#fecaca);border-color:#fca5a5;border-radius:18px 18px 4px;box-shadow:0 2px 6px #ef44440d}.chat-messages::-webkit-scrollbar{width:6px}.chat-messages::-webkit-scrollbar-track{background:0 0}.chat-messages::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:10px}.chat-messages::-webkit-scrollbar-thumb:hover{background:#94a3b8}.chat-input-container{border:2px solid var(--border-color);background:#fff;border-radius:18px;gap:10px;margin-top:14px;padding:4px;transition:all .2s;display:flex;box-shadow:0 4px 12px #00000005}.chat-input-container:focus-within{border-color:var(--primary);box-shadow:0 4px 16px #ef444414}.drawer-backdrop{z-index:2000;background:#00000080;align-items:flex-end;display:flex;position:fixed;inset:0}.drawer{border-top:2px solid var(--border-color);background:#fff;border-top-left-radius:28px;border-top-right-radius:28px;flex-direction:column;gap:20px;width:100%;max-width:680px;max-height:92vh;margin:0 auto;padding:36px 24px;animation:.25s cubic-bezier(.34,1.56,.64,1) slideUpDrawer;display:flex;box-shadow:0 -10px 30px #0000000f}@media (width<=600px){.drawer{gap:16px;max-height:95vh;padding:24px 16px 20px}}@keyframes slideUpDrawer{0%{transform:translateY(100%)}to{transform:translateY(0)}}.drawer.correct{background:#f0fdf4;border-color:#bbf7d0}.drawer.incorrect{background:#fef2f2;border-color:#fecaca}.drawer.unplayed{background:#f8fafc;border-color:#cbd5e1}.drawer-header{flex-shrink:0;align-items:center;gap:16px;display:flex}.drawer-icon{font-size:2.5rem}.drawer-title{font-family:Outfit,sans-serif;font-size:1.6rem;font-weight:900}.drawer.correct .drawer-title{color:#15803d}.drawer.incorrect .drawer-title{color:#b91c1c}.drawer.unplayed .drawer-title{color:#475569}.drawer-body{flex:1;padding-right:8px;font-size:1.1rem;font-weight:700;line-height:1.5;overflow-y:auto}.drawer-body::-webkit-scrollbar{width:6px}.drawer-body::-webkit-scrollbar-track{background:0 0}.drawer-body::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:10px}.drawer-body::-webkit-scrollbar-thumb:hover{background:#94a3b8}.timer-badge{border:2px solid var(--border-color);border-bottom:5px solid var(--border-color);-webkit-user-select:none;user-select:none;background:#fff;border-radius:16px;align-items:center;gap:8px;padding:10px 18px;font-family:Outfit,sans-serif;font-size:1.2rem;font-weight:900;transition:all .2s;display:inline-flex}.timer-badge.pulse{border-color:var(--primary);border-bottom-color:var(--primary-dark);color:var(--primary);animation:.6s cubic-bezier(.25,.8,.25,1) infinite alternate pulseTimer;box-shadow:0 0 12px #e52e2e33}@keyframes pulseTimer{0%{transform:scale(1)}to{transform:scale(1.1)}}.keyboard-hint{color:#64748b;background:#f1f5f9;border:1.5px solid #cbd5e1;border-bottom-width:3.5px;border-radius:6px;margin-left:auto;padding:2px 6px;font-family:monospace;font-size:.75rem;font-weight:800;display:inline-block}.option-card.selected .keyboard-hint{border-color:var(--primary);border-bottom-color:var(--primary-dark);color:var(--primary);background:#fff}.home-container{flex-direction:column;gap:24px;width:100%;max-width:680px;margin:0 auto;display:flex}@media (width>=1024px) and (width<=1399px){.home-container{grid-template-columns:repeat(2,1fr);grid-auto-flow:dense;justify-content:center;align-items:start;gap:24px;width:100%;max-width:1000px;display:grid}.home-container>.card{min-width:0;max-width:100%}.wide-card{grid-column:span 2}}@media (width>=1400px){.home-container{flex-flow:row;justify-content:center;align-items:flex-start;gap:24px;width:100%;max-width:100%;display:flex}.home-container>.card{flex:1;min-width:0;max-width:420px}.home-container>.card.wide-card{flex:2;max-width:940px}}.group-dashboard-wrapper{border:2px solid var(--border-color);background:#f8fafc;border-radius:24px;padding:24px}.group-form-card{border:1px solid var(--border-color);background:#fff;border-radius:16px;margin-bottom:16px;padding:16px}.group-filters-container{border:2px solid var(--border-color);background:#f8fafc;border-radius:20px;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;margin-bottom:20px;padding:16px;display:grid}.group-stat-item-card{border:2px solid var(--border-color);box-shadow:0 4px 0 var(--border-color);background:#fff;border-radius:20px;flex-direction:column;gap:12px;padding:18px;display:flex;position:relative}.search-results-list{flex-direction:column;gap:16px;max-height:500px;padding:4px;display:flex;overflow-y:auto}.search-results-list>div{width:100%}@media (width<=768px){.group-dashboard-wrapper{border-radius:16px!important;padding:12px!important}.group-form-card{border-radius:12px!important;margin-bottom:12px!important;padding:10px!important}.group-filters-container{border-radius:14px!important;gap:8px!important;padding:10px!important}.group-stat-item-card{border-radius:14px!important;gap:10px!important;padding:12px!important}}@media (width>=768px){.search-results-list{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));max-height:500px;padding:6px;display:grid;overflow-y:auto}.search-results-list>div{width:auto}}.badges-grid{grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:10px;display:grid}.badge-card{text-align:center;border:2px solid var(--border-color);background:#f8fafc;border-radius:18px;flex-direction:column;align-items:center;padding:14px 8px;transition:transform .15s,box-shadow .15s;display:flex;position:relative;overflow:hidden}.badge-card:hover{transform:translateY(-2px);box-shadow:0 4px 12px #00000014}.badge-card.unlocked{opacity:1}.badge-card.locked{opacity:.45;filter:grayscale(.8)}.badge-card.tier-bronze{background:linear-gradient(135deg,#fffbeb 0%,#fef3c7 100%);border-color:#d97706}.badge-card.tier-silver{background:linear-gradient(135deg,#f9fafb 0%,#e5e7eb 100%);border-color:#9ca3af}.badge-card.tier-gold{background:linear-gradient(135deg,#fefce8 0%,#fef08a 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