@import"https://fonts.googleapis.com/css2?family=Cairo:wght@400;600;700;800;900&family=Poppins:wght@400;600;700;800;900&display=swap";:root{--primary: #0891B2;--primary-dark: #0E7490;--secondary: #06B6D4;--success: #10B981;--success-glow: rgba(16, 185, 129, .35);--warning: #F59E0B;--danger: #EF4444;--danger-glow: rgba(239, 68, 68, .35);--team-a: #0891B2;--team-b: #F97316;--bg-dark: #F8FAFC;--bg-card: #FFFFFF;--bg-card2: #F1F5F9;--text-primary: #1E293B;--text-secondary: #64748B;--gold: #F59E0B;--radius: 16px;--shadow: 0 4px 20px rgba(0, 0, 0, .08);--selected-ring: #0891B2}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Cairo,Poppins,sans-serif;background:var(--bg-dark);color:var(--text-primary);min-height:100vh;overflow-x:hidden}body[dir=ltr]{font-family:Poppins,Cairo,sans-serif}.screen{display:none;min-height:100vh}.screen.active{display:flex;flex-direction:column}.btn{padding:16px 32px;border:none;border-radius:var(--radius);font-family:inherit;font-size:1.1rem;font-weight:700;cursor:pointer;transition:all .2s;position:relative;overflow:hidden}.btn:active{transform:scale(.97)}.btn-primary{background:linear-gradient(135deg,#0891b2,#06b6d4);color:#fff}.btn-primary:hover{box-shadow:0 0 20px #0891b266}.btn-secondary{background:linear-gradient(135deg,#f97316,#fb923c);color:#fff}.btn-admin{background:#fff;color:#0891b2;border:1.5px solid #0891B2}.btn-success{background:linear-gradient(135deg,var(--success),#34D399);color:#fff}.btn-warning{background:linear-gradient(135deg,var(--warning),#FCD34D);color:#111}.btn-danger{background:linear-gradient(135deg,var(--danger),#F87171);color:#fff}.btn-sm{padding:10px 20px;font-size:.9rem}.btn-xs{padding:6px 14px;font-size:.8rem;border-radius:8px}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000b3;z-index:200;display:none;align-items:center;justify-content:center;padding:20px}.overlay.show{display:flex}.overlay-content{background:#fff;color:#1e293b;border-radius:var(--radius);padding:32px;max-width:500px;width:100%;max-height:80vh;overflow-y:auto;border:1px solid #E2E8F0;box-shadow:0 20px 60px #00000026}.form-group{margin-bottom:16px}.form-group label{display:block;margin-bottom:6px;color:var(--text-secondary);font-size:.9rem;font-weight:600}.form-input{width:100%;padding:12px 16px;background:#fff;border:1px solid #E2E8F0;border-radius:10px;color:#1e293b;font-family:inherit;font-size:1rem}.form-input:focus{outline:none;border-color:var(--primary)}select.form-input{cursor:pointer}.form-row{display:flex;gap:12px;flex-wrap:wrap}.form-row .form-group{flex:1;min-width:150px}.toggle-row{display:flex;align-items:center;justify-content:space-between;padding:8px 0}.toggle{width:48px;height:26px;background:#cbd5e1;border-radius:13px;position:relative;cursor:pointer;transition:all .2s}.toggle.on{background:var(--primary)}.toggle:after{content:"";width:22px;height:22px;background:#fff;border-radius:50%;position:absolute;top:2px;left:2px;transition:all .2s}.toggle.on:after{left:24px}.badge{display:inline-block;padding:4px 12px;border-radius:20px;font-size:.8rem;font-weight:700}.badge-easy{background:#00c85333;color:var(--success)}.badge-medium{background:#ffb30033;color:var(--warning)}.badge-hard{background:#ff174433;color:var(--danger)}#menu-screen{align-items:center;justify-content:center;background:linear-gradient(135deg,#f8fafc,#eff6ff,#f0f9ff);text-align:center;padding:20px}.menu-logo{font-size:clamp(2.5rem,8vw,5rem);font-weight:900;background:linear-gradient(135deg,#0891b2,#06b6d4,#0e7490);-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:10px;animation:pulse 2s ease-in-out infinite}.menu-sub{color:var(--text-secondary);font-size:1.2rem;margin-bottom:40px}.menu-buttons{display:flex;flex-direction:column;gap:16px;width:100%;max-width:400px}#game-screen{background:#f8fafc}.game-topbar{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;background:#0891b214;border-bottom:1px solid #E2E8F0;flex-wrap:wrap;gap:8px}.game-topbar .round-info{font-weight:700;font-size:1.1rem}.timer-box{background:var(--bg-card);padding:8px 20px;border-radius:30px;font-weight:800;font-size:1.3rem;min-width:80px;text-align:center}.timer-box.warning{color:var(--warning);animation:timerPulse .5s infinite}.timer-box.danger{color:var(--danger);animation:timerPulse .3s infinite}.pairs-tracker{display:flex;align-items:center;gap:8px;background:var(--bg-card);padding:8px 16px;border-radius:30px;font-weight:700}.pairs-found{color:var(--success);font-size:1.2rem}.pairs-total{color:var(--text-secondary)}.game-main{flex:1;display:flex;padding:16px;gap:16px;max-width:1400px;margin:0 auto;width:100%}.avatar-section{width:240px;flex-shrink:0;display:flex;flex-direction:column;align-items:center;gap:12px}.avatar-container{width:220px;height:360px;position:relative;cursor:pointer;transition:transform .3s}.avatar-container model-viewer{width:100%;height:100%;--poster-color: transparent}.avatar-container model-viewer::part(default-progress-bar){display:none}.avatar-container:hover{transform:scale(1.02)}.teacher-svg{width:100%;height:100%}.avatar-switcher{display:flex;flex-direction:column;gap:6px;width:100%}.avatar-switcher select{background:#fff;color:#1e293b;border:1px solid #E2E8F0;border-radius:8px;padding:6px 10px;font-family:inherit;font-size:.82rem;cursor:pointer;width:100%}.avatar-gender-btns{display:flex;gap:6px}.avatar-gender-btn{flex:1;padding:6px 0;border:1px solid #E2E8F0;border-radius:8px;background:#f1f5f9;color:#64748b;font-family:inherit;font-size:.8rem;cursor:pointer;transition:all .2s}.avatar-gender-btn.active{background:var(--primary);color:#fff;border-color:var(--primary)}.speech-bubble{background:#fff;color:#333;padding:12px 16px;border-radius:16px;font-size:.85rem;font-weight:600;max-width:210px;text-align:center;position:relative;box-shadow:var(--shadow);opacity:0;transition:all .3s;transform:translateY(10px);line-height:1.5}.speech-bubble.show{opacity:1;transform:translateY(0)}.speech-bubble:after{content:"";position:absolute;bottom:-10px;left:50%;transform:translate(-50%);border:10px solid transparent;border-top-color:#fff}.hint-btn{background:linear-gradient(135deg,var(--warning),#FFC107);color:#111;border:none;padding:10px 24px;border-radius:30px;font-weight:700;cursor:pointer;font-family:inherit;font-size:.9rem;transition:all .2s}.hint-btn:hover{transform:scale(1.05);box-shadow:0 0 20px #ffb30066}.question-area{flex:1;display:flex;flex-direction:column;gap:16px}.question-card{background:#fff;border:1px solid #E2E8F0;border-radius:var(--radius);padding:24px;text-align:center;box-shadow:0 4px 16px #00000012}.question-label{color:var(--text-secondary);font-size:1rem;margin-bottom:6px}.question-number{font-size:clamp(3rem,10vw,5rem);font-weight:900;background:linear-gradient(135deg,var(--gold),#FFA000);-webkit-background-clip:text;-webkit-text-fill-color:transparent;line-height:1.1}.question-prompt{color:var(--text-secondary);margin-top:6px;font-size:.95rem}.numbers-grid{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;padding:8px 0}.number-cell{width:80px;height:80px;display:flex;align-items:center;justify-content:center;background:#fff;border:2px solid #E2E8F0;color:#1e293b;border-radius:50%;font-size:1.6rem;font-weight:800;cursor:pointer;transition:all .25s;-webkit-user-select:none;user-select:none;position:relative;box-shadow:0 2px 8px #0000000f}.number-cell:hover{border-color:#0891b2;transform:scale(1.08);box-shadow:0 4px 16px #0891b233}.numbers-grid.mode-pairs{gap:10px}.numbers-grid.mode-pairs .number-cell{width:auto;min-width:120px;height:60px;border-radius:14px;font-size:1.3rem;padding:0 18px;gap:6px}.pair-card-a{color:var(--team-a)}.pair-card-x{color:var(--gold);font-size:1rem;margin:0 4px}.pair-card-b{color:var(--team-b)}.numbers-grid.mode-boxes{background:var(--bg-card);border:2px solid #E2E8F0;border-radius:20px;padding:24px 20px;gap:0;align-items:center;box-shadow:var(--shadow)}.numbers-grid.mode-boxes .number-cell{width:auto;height:auto;border:none;border-radius:10px;font-size:1.7rem;padding:10px 16px;margin:4px 0;background:transparent}.numbers-grid.mode-boxes .number-cell:hover{background:#0891b21a;transform:scale(1.1);border:none}.numbers-grid.mode-boxes .number-cell.first-selected{background:#0891b226;border:2px solid var(--selected-ring)!important;box-shadow:0 0 15px #0891b259}.numbers-grid.mode-boxes .number-cell.correct{background:#00c85340;border:2px solid var(--success)!important;box-shadow:0 0 15px var(--success-glow)}.numbers-grid.mode-boxes .number-cell.wrong{background:#ff174433;border:2px solid var(--danger)!important}.numbers-grid.mode-boxes .number-cell.used{opacity:.3;background:#00c8531a;border:none}.box-dash{color:#cbd5e1;font-size:1.8rem;font-weight:300;padding:0 2px;-webkit-user-select:none;user-select:none;line-height:1}.number-cell.first-selected{border-color:var(--selected-ring);background:#0891b21a;box-shadow:0 0 20px #0891b259;transform:scale(1.1);animation:ringPulse 1s ease-in-out infinite}.number-cell.correct{border-color:var(--success);background:#00c85333;box-shadow:0 0 25px var(--success-glow);animation:correctPop .5s ease;pointer-events:none}.number-cell.wrong{border-color:var(--danger);background:#ff174426;box-shadow:0 0 25px var(--danger-glow);animation:shake .5s ease}.number-cell.used{opacity:.35;pointer-events:none;border-color:var(--success);background:#00c8531a}.number-cell.used:after{content:"✓";position:absolute;top:-5px;right:-5px;background:var(--success);color:#fff;width:20px;height:20px;border-radius:50%;font-size:.7rem;display:flex;align-items:center;justify-content:center}.found-pairs{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;min-height:40px;padding:8px}.found-pair{background:#10b9811f;border:1px solid rgba(16,185,129,.35);padding:6px 14px;border-radius:20px;font-weight:700;font-size:.9rem;color:#059669;animation:fadeIn .3s ease}.scoreboards{display:flex;gap:12px;padding:0 16px 16px;max-width:1400px;margin:0 auto;width:100%}.scoreboard{flex:1;padding:16px;border-radius:var(--radius);text-align:center;font-weight:700}.scoreboard.team-a{background:linear-gradient(135deg,#0891b21a,#0e74901f);border:1px solid rgba(8,145,178,.25);color:#1e293b}.scoreboard.team-b{background:linear-gradient(135deg,#f973161a,#ea580c1f);border:1px solid rgba(249,115,22,.25);color:#1e293b}.scoreboard .team-name{font-size:1rem;margin-bottom:4px}.scoreboard .team-score{font-size:2.5rem;font-weight:900;transition:all .3s}.scoreboard .team-score.bump{animation:scoreBump .5s ease}.turn-indicator{text-align:center;padding:10px;font-weight:800;font-size:1.2rem;border-radius:12px;margin:0 16px}.turn-indicator.team-a-turn{background:linear-gradient(135deg,#0891b21f,#0891b20f);color:#0891b2;border:1px solid rgba(8,145,178,.2)}.turn-indicator.team-b-turn{background:linear-gradient(135deg,#f973161f,#f973160f);color:#ea580c;border:1px solid rgba(249,115,22,.2)}.finish-section{text-align:center;padding:8px}.hint-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;z-index:150;display:none;align-items:center;justify-content:center;opacity:0;transition:opacity .3s}.hint-overlay.show{display:flex;opacity:1}.hint-popup{display:flex;align-items:flex-end;gap:20px;max-width:700px;width:90%;animation:teacherSlideIn .5s ease forwards}.hint-popup .hint-avatar{width:180px;height:300px;flex-shrink:0;animation:teacherBounceIn .6s ease}.hint-popup .hint-bubble{background:#fff;color:#333;padding:24px 28px;border-radius:20px;font-size:1.2rem;font-weight:700;line-height:1.6;box-shadow:0 15px 50px #0006;position:relative;animation:bubbleIn .4s ease .3s both;max-width:420px}.hint-popup .hint-bubble:before{content:"";position:absolute;bottom:30px;left:-16px;border:12px solid transparent;border-right-color:#fff}body[dir=ltr] .hint-popup .hint-bubble:before{left:auto;right:-16px;border-right-color:transparent;border-left-color:#fff}.status-banner{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%) scale(0);padding:30px 60px;border-radius:20px;font-size:1.8rem;font-weight:900;z-index:100;text-align:center;transition:all .3s;box-shadow:0 20px 60px #00000080}.status-banner.show{transform:translate(-50%,-50%) scale(1)}.status-banner.correct-banner{background:linear-gradient(135deg,#00c853,#00e676);color:#fff}.status-banner.wrong-banner{background:linear-gradient(135deg,#ff1744,#ff5252);color:#fff}.status-banner.info-banner{background:linear-gradient(135deg,#0891b2,#06b6d4);color:#fff}.confetti-container{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:99}.confetti{position:absolute;top:-10px;width:10px;height:10px;animation:fall linear forwards}.projector-mode .question-number{font-size:6rem}.projector-mode .number-cell{width:100px;height:100px;font-size:2rem}.projector-mode .scoreboard .team-score{font-size:4rem}#results-screen{align-items:center;justify-content:center;text-align:center;padding:40px 20px;background:linear-gradient(135deg,#f8fafc,#eff6ff)}.results-trophy{font-size:5rem;margin-bottom:16px}.results-title{font-size:clamp(1.8rem,5vw,2.5rem);font-weight:900;margin-bottom:10px}.results-subtitle{color:var(--text-secondary);font-size:1.1rem;margin-bottom:30px}.results-scores{display:flex;gap:20px;margin-bottom:30px;justify-content:center;flex-wrap:wrap}.result-team-card{padding:24px 36px;border-radius:var(--radius);min-width:180px}.result-team-card.winner{border:2px solid var(--gold);box-shadow:0 0 40px #ffd70033}.results-summary{background:var(--bg-card);border-radius:var(--radius);padding:20px 30px;margin-bottom:30px;max-width:500px}.summary-row{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px solid #E2E8F0}.summary-row:last-child{border-bottom:none}#admin-screen{background:var(--bg-dark)}.admin-topbar{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;background:#0891b214;border-bottom:1px solid #E2E8F0}.admin-topbar h2{font-size:1.3rem}.admin-layout{flex:1;display:flex;overflow:hidden}.admin-sidebar{width:240px;background:#f1f5f9;padding:16px 0;border-left:1px solid #E2E8F0;overflow-y:auto;flex-shrink:0}body[dir=ltr] .admin-sidebar{border-left:none;border-right:1px solid #E2E8F0}.admin-nav-item{padding:12px 24px;cursor:pointer;transition:all .2s;font-weight:600;color:var(--text-secondary);font-size:.95rem;border-right:3px solid transparent}body[dir=ltr] .admin-nav-item{border-right:none;border-left:3px solid transparent}.admin-nav-item:hover{background:#0891b20f;color:#0891b2}.admin-nav-item.active{background:#0891b21f;color:#0891b2;border-right-color:#0891b2}body[dir=ltr] .admin-nav-item.active{border-right-color:transparent;border-left-color:#0891b2}.admin-content{flex:1;padding:24px;overflow-y:auto}.admin-panel{display:none}.admin-panel.active{display:block}.admin-card{background:#fff;border:1px solid #E2E8F0;border-radius:var(--radius);padding:24px;margin-bottom:20px;box-shadow:0 2px 8px #0000000d}.admin-card h3{margin-bottom:16px;font-size:1.1rem;color:var(--primary)}.questions-list{display:flex;flex-direction:column;gap:8px}.question-item{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:#f8fafc;border:1px solid #E2E8F0;border-radius:10px;gap:12px}.question-item .q-num{font-size:1.3rem;font-weight:800;color:var(--gold);min-width:50px}.question-item .q-factors{flex:1;color:var(--text-secondary);font-size:.85rem}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.03)}}@keyframes timerPulse{0%,to{transform:scale(1)}50%{transform:scale(1.1)}}@keyframes correctPop{0%{transform:scale(1)}50%{transform:scale(1.15)}to{transform:scale(1)}}@keyframes shake{0%,to{transform:translate(0)}20%{transform:translate(-8px)}40%{transform:translate(8px)}60%{transform:translate(-5px)}80%{transform:translate(5px)}}@keyframes fadeIn{0%{opacity:0;transform:scale(.8)}to{opacity:1;transform:scale(1)}}@keyframes scoreBump{0%{transform:scale(1)}40%{transform:scale(1.4)}to{transform:scale(1)}}@keyframes fall{to{top:110vh;transform:rotate(720deg)}}@keyframes ringPulse{0%,to{box-shadow:0 0 20px #0891b259}50%{box-shadow:0 0 35px #0891b28c}}@keyframes teacherSlideIn{0%{transform:translateY(40px)}to{transform:translateY(0)}}@keyframes teacherBounceIn{0%{transform:scale(.3) translateY(60px);opacity:0}60%{transform:scale(1.05) translateY(-5px);opacity:1}to{transform:scale(1) translateY(0);opacity:1}}@keyframes bubbleIn{0%{opacity:0;transform:scale(.8) translate(-20px)}to{opacity:1;transform:scale(1) translate(0)}}@media(max-width:768px){.game-main{flex-direction:column;padding:10px;gap:10px}.avatar-section{width:100%;flex-direction:row;align-items:flex-start;gap:10px}.avatar-container{width:120px;height:200px}.speech-bubble{font-size:.75rem;max-width:180px}.number-cell{width:65px;height:65px;font-size:1.3rem}.numbers-grid{gap:8px}.admin-layout{flex-direction:column}.admin-sidebar{width:100%;flex-direction:row;overflow-x:auto;padding:8px;display:flex;gap:4px;border-left:none;border-bottom:1px solid #E2E8F0}.admin-nav-item{padding:8px 16px;white-space:nowrap;font-size:.85rem;border-right:none!important;border-left:none!important;border-radius:8px}.admin-nav-item.active{background:#0891b226}.scoreboards{padding:0 10px 10px}.scoreboard .team-score{font-size:1.8rem}.question-number{font-size:3rem}}@media(max-width:480px){.number-cell{width:55px;height:55px;font-size:1.1rem}}#bg-layer{position:fixed;top:0;right:0;bottom:0;left:0;z-index:-1;display:none;overflow:hidden;transition:background 1s ease}@keyframes twinkle{0%,to{opacity:.3;transform:scale(1)}50%{opacity:1;transform:scale(1.5)}}@keyframes floatUp{0%{opacity:0;transform:translateY(0) scale(.5)}10%{opacity:.6}90%{opacity:.3}to{opacity:0;transform:translateY(-110vh) scale(1)}}@keyframes fallSway{0%{opacity:0;transform:translateY(0) translate(0) rotate(0)}10%{opacity:.7}25%{transform:translateY(25vh) translate(20px) rotate(90deg)}50%{transform:translateY(50vh) translate(-15px) rotate(180deg)}75%{transform:translateY(75vh) translate(10px) rotate(270deg)}90%{opacity:.3}to{opacity:0;transform:translateY(110vh) translate(-5px) rotate(360deg)}}#particle-canvas{position:fixed;top:0;right:0;bottom:0;left:0;z-index:98;pointer-events:none}