*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--team1-color: #3B82F6;--team2-color: #EF4444;--bg-primary: #F0F9FF;--bg-dark: #1E293B;--text-primary: #1E293B;--text-light: #F8FAFC;--success: #22C55E;--error: #EF4444;--warning: #F59E0B;--radius: 12px;--radius-lg: 20px;--shadow: 0 4px 20px rgba(0, 0, 0, .1);--shadow-lg: 0 8px 40px rgba(0, 0, 0, .15);--game-stage-gap: 3px;--game-stage-pad-y: clamp(4px, .9vh, 10px);--game-stage-pad-bottom: clamp(3px, .6vh, 6px);--game-main-gap: clamp(6px, .6vw, 10px);--game-main-pad-y: clamp(6px, .8vh, 10px);--game-main-pad-x: clamp(6px, .7vw, 10px);--game-side-progress-min: clamp(52px, 5.8vh, 72px);--game-center-status-min: clamp(54px, 6vh, 74px);--team-panel-gap: 6px;--team-panel-pad: 6px;--team-header-pad-y: 8px;--team-header-pad-x: 12px;--question-pad: 12px;--question-size: clamp(1.15rem, 1.7vw, 2.35rem);--number-display-pad-y: 8px;--number-display-pad-x: 16px;--number-display-min: 54px;--number-value-size: clamp(1.2rem, 2vw, 2.6rem);--number-backspace-size: 36px;--number-backspace-font: 1.2rem;--number-btn-size: clamp(1.2rem, 1.8vw, 2.4rem);--number-btn-min: clamp(46px, 5.6vh, 70px);--choice-btn-size: clamp(1rem, 1.45vw, 1.45rem);--choice-btn-pad-y: 10px;--choice-btn-pad-x: 10px;--choice-btn-min: clamp(62px, 8vh, 96px);font-family:Segoe UI,system-ui,-apple-system,sans-serif;font-size:16px;color:var(--text-primary)}html,body,#root{width:100%;min-height:100vh;height:100dvh;overflow:hidden;background:var(--bg-primary)}body{margin:0;touch-action:none;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}button{border:none;outline:none;cursor:pointer;font-family:inherit;touch-action:manipulation;-webkit-tap-highlight-color:transparent}.app{width:100%;min-height:100vh;height:100dvh;overflow:hidden;position:relative}.app.viewport-compact{--game-stage-gap: 2px;--game-stage-pad-y: 4px;--game-stage-pad-bottom: 3px;--game-main-gap: 6px;--game-main-pad-y: 5px;--game-main-pad-x: 6px;--game-side-progress-min: 48px;--game-center-status-min: 50px;--team-panel-gap: 4px;--team-panel-pad: 4px;--team-header-pad-y: 6px;--team-header-pad-x: 10px;--question-pad: 8px;--question-size: clamp(1rem, 1.35vw, 1.6rem);--number-display-pad-y: 6px;--number-display-pad-x: 12px;--number-display-min: 48px;--number-value-size: clamp(1.05rem, 1.5vw, 1.9rem);--number-backspace-size: 32px;--number-backspace-font: 1rem;--number-btn-size: clamp(1.05rem, 1.45vw, 1.8rem);--number-btn-min: 40px;--choice-btn-size: clamp(.92rem, 1.1vw, 1.15rem);--choice-btn-pad-y: 8px;--choice-btn-pad-x: 8px;--choice-btn-min: 50px}.app.viewport-large{--game-stage-gap: 4px;--game-stage-pad-y: clamp(6px, 1.1vh, 12px);--game-stage-pad-bottom: clamp(4px, .8vh, 8px);--game-main-gap: clamp(8px, .75vw, 14px);--game-main-pad-y: clamp(8px, .95vh, 12px);--game-main-pad-x: clamp(8px, .85vw, 14px);--game-side-progress-min: clamp(58px, 6.2vh, 80px);--game-center-status-min: clamp(60px, 6.5vh, 84px);--team-panel-gap: 8px;--team-panel-pad: 8px;--question-pad: 14px;--question-size: clamp(1.25rem, 1.9vw, 2.6rem);--number-display-min: 60px;--number-value-size: clamp(1.3rem, 2.1vw, 2.8rem);--number-btn-size: clamp(1.25rem, 1.95vw, 2.5rem);--number-btn-min: clamp(50px, 6vh, 74px);--choice-btn-size: clamp(1.05rem, 1.55vw, 1.55rem);--choice-btn-min: clamp(66px, 8.2vh, 102px)}.screen{width:100%;height:100%;position:absolute;top:0;left:0}.welcome-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;background:linear-gradient(135deg,#667eea,#764ba2);position:relative;overflow:auto;padding:24px}.welcome-bg{position:absolute;width:100%;height:100%;overflow:hidden}.floating-shape{position:absolute;border-radius:50%;opacity:.15;animation:float 6s ease-in-out infinite}.shape-1{width:200px;height:200px;background:#fff;top:10%;left:10%;animation-delay:0s}.shape-2{width:150px;height:150px;background:gold;top:60%;right:15%;animation-delay:1s}.shape-3{width:100px;height:100px;background:#ff69b4;bottom:20%;left:30%;animation-delay:2s}.shape-4{width:180px;height:180px;background:#00ced1;top:30%;right:30%;animation-delay:3s}.shape-5{width:120px;height:120px;background:#7b68ee;bottom:30%;right:10%;animation-delay:4s}@keyframes float{0%,to{transform:translateY(0) rotate(0)}50%{transform:translateY(-30px) rotate(5deg)}}.welcome-lang{position:absolute;top:20px;right:20px;z-index:10}.welcome-content{text-align:center;z-index:5;width:min(100%,1100px);padding:24px 0}.welcome-title{font-size:clamp(2.5rem,6vw,5rem);font-weight:800;color:#fff;text-shadow:0 4px 20px rgba(0,0,0,.3);margin-bottom:10px;letter-spacing:-1px}.welcome-subtitle{font-size:clamp(1rem,2.5vw,1.8rem);color:#ffffffe6;margin-bottom:40px}.welcome-start-btn{font-size:clamp(1.5rem,3vw,2.5rem);font-weight:700;color:#764ba2;background:#fff;padding:20px 60px;border-radius:50px;box-shadow:0 8px 30px #0003;transition:transform .2s,box-shadow .2s;letter-spacing:2px}.welcome-start-btn:active{transform:scale(.95);box-shadow:0 4px 15px #0003}.language-picker{display:flex;gap:8px}.lang-btn{display:flex;align-items:center;gap:4px;padding:8px 14px;border-radius:20px;background:#fff3;color:#fff;font-size:.9rem;font-weight:600;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);transition:background .2s}.lang-btn.lang-active{background:#fff6}.lang-flag{font-size:1.2rem}.setup-screen{display:flex;flex-direction:column;background:linear-gradient(180deg,#e0f2fe,#f0f9ff);min-height:0}.setup-header{display:flex;align-items:center;padding:15px 20px;background:#fff;box-shadow:var(--shadow);z-index:10}.setup-back-btn{font-size:1rem;color:#64748b;background:#f1f5f9;padding:8px 16px;border-radius:8px;font-weight:600}.setup-title{flex:1;text-align:center;font-size:clamp(1.2rem,2.5vw,1.8rem);font-weight:700;color:var(--text-primary)}.setup-steps{display:flex;gap:8px}.step-dot{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.85rem;background:#e2e8f0;color:#94a3b8}.step-dot.active{background:#3b82f6;color:#fff}.step-dot.done{background:#22c55e;color:#fff}.setup-content{flex:1;overflow-y:auto;padding:20px}.setup-section-title{font-size:clamp(1.2rem,2vw,1.6rem);font-weight:700;color:var(--text-primary);margin-bottom:16px;text-align:center}.subject-group{margin-bottom:20px}.subject-label{font-size:1rem;font-weight:600;color:#64748b;margin-bottom:10px;text-transform:uppercase;letter-spacing:1px}.setup-cards{display:flex;flex-wrap:wrap;gap:16px;justify-content:center}.setup-card{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:20px;border-radius:var(--radius-lg);background:#fff;box-shadow:var(--shadow);border:3px solid transparent;transition:transform .2s,border-color .2s;min-width:150px;min-height:120px}.setup-card:active{transform:scale(.97)}.setup-card.selected{border-color:#3b82f6;box-shadow:var(--shadow-lg)}.card-icon{font-size:2.5rem;margin-bottom:8px}.card-name{font-size:1.1rem;font-weight:700;color:var(--text-primary)}.card-desc{font-size:.85rem;color:#64748b;text-align:center;margin-top:4px}.viz-card{width:200px;height:160px}.cat-card{width:160px;height:130px;border-left:4px solid}.diff-card{width:180px;height:140px}.diff-easy.selected{border-color:var(--success)}.diff-medium.selected{border-color:var(--warning)}.diff-hard.selected{border-color:var(--error)}.difficulty-cards{margin-bottom:30px}.go-btn{display:block;margin:20px auto 0;font-size:clamp(1.3rem,2.5vw,2rem);font-weight:800;color:#fff;background:linear-gradient(135deg,#22c55e,#16a34a);padding:18px 60px;border-radius:50px;box-shadow:0 6px 25px #22c55e66;letter-spacing:1px;transition:transform .2s}.go-btn:active{transform:scale(.95)}.game-screen{display:flex;flex-direction:column;background:linear-gradient(180deg,#dbeafe,#f8fafc 40% 100%);min-height:0}.game-stage-header{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--game-stage-gap);padding:var(--game-stage-pad-y) 14px var(--game-stage-pad-bottom);background:#fffffff0;border-bottom:2px solid #cbd5e1;box-shadow:0 2px 10px #0f172a0f}.game-stage-title{font-size:clamp(1.45rem,2.4vw,3rem);line-height:1;font-weight:900;letter-spacing:.8px;color:#0f172a}.game-stage-meta{width:100%;max-width:760px;display:flex;align-items:center;justify-content:space-between;font-size:clamp(.9rem,1.2vw,1.2rem);font-weight:700;color:#334155}.game-stage-mode{color:#0369a1}.game-stage-clock{color:#0f172a}.game-main{flex:1;min-height:0;display:grid;grid-template-columns:minmax(0,.98fr) minmax(300px,1.08fr) minmax(0,.98fr);grid-template-areas:"left center right";gap:var(--game-main-gap);padding:var(--game-main-pad-y) var(--game-main-pad-x);overflow:hidden}.game-column{min-width:0;min-height:0;display:flex;flex-direction:column;border-radius:16px;background:#ffffffe0;box-shadow:var(--shadow);overflow:hidden}.game-column-left{grid-area:left;border:3px solid rgba(59,130,246,.35)}.game-column-right{grid-area:right;border:3px solid rgba(239,68,68,.35)}.game-column-center{grid-area:center;border:3px solid rgba(15,23,42,.1);background:linear-gradient(180deg,#ecfeff,#f8fafc)}.game-side-progress{display:flex;align-items:center;justify-content:flex-start;min-height:var(--game-side-progress-min);padding:8px 10px;border-bottom:1px solid #e2e8f0}.visualization-container{flex:1;position:relative;overflow:hidden;min-height:0}.game-column-center .visualization-container{margin:0 6px 6px;border-radius:12px;background:#bfdbfe;box-shadow:inset 0 0 0 1px #1e293b1f}.visualization-canvas{display:block}.game-center-status{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;min-height:var(--game-center-status-min);padding:8px;border-bottom:1px solid #cbd5e1}.center-time{font-size:clamp(1.1rem,1.5vw,1.5rem);font-weight:800;color:#0f172a}.center-time-urgent{color:var(--error);animation:urgentPulse .6s ease-in-out infinite alternate}.center-scoreline{display:flex;align-items:center;justify-content:center;gap:12px;font-size:clamp(1rem,1.25vw,1.35rem);font-weight:700}.score-sep{color:#475569;font-weight:900;text-transform:uppercase}.progress-bar-container{display:flex;flex-direction:row;align-items:center;gap:10px;width:100%}.progress-bar-label{font-size:clamp(.88rem,1vw,1rem);font-weight:700;text-transform:uppercase}.progress-bar-track{width:18px;height:54px;background:#0000001a;border-radius:10px;overflow:hidden;position:relative;display:flex;flex-direction:column-reverse}.progress-bar-fill{width:100%;border-radius:10px;transition:height .5s ease-out;height:0%}.progress-bar-value{font-size:clamp(.82rem,.95vw,.95rem);font-weight:700}.team-panel{flex:1 1 auto;display:flex;flex-direction:column;gap:var(--team-panel-gap);min-height:0;padding:var(--team-panel-pad);position:relative;overflow-x:hidden;overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin}.team-header{display:flex;justify-content:space-between;align-items:center;padding:var(--team-header-pad-y) var(--team-header-pad-x);border-radius:var(--radius);color:#fff}.team-name{font-size:clamp(1.05rem,1.4vw,1.55rem);font-weight:700}.team-score{font-size:clamp(1.1rem,1.5vw,1.65rem);font-weight:800}.question-display{text-align:center;padding:var(--question-pad);background:#fff;border-radius:var(--radius);border:3px solid;box-shadow:var(--shadow)}.question-text{font-size:var(--question-size);font-weight:700;line-height:1.2;color:var(--text-primary);overflow-wrap:anywhere}.number-pad{display:flex;flex-direction:column;gap:6px;flex:1;min-height:0}.number-pad-display{display:flex;align-items:center;justify-content:center;background:#fff;border:3px solid;border-radius:var(--radius);padding:var(--number-display-pad-y) var(--number-display-pad-x);min-height:var(--number-display-min);position:relative}.number-pad-value{font-size:var(--number-value-size);font-weight:700;color:var(--text-primary);font-variant-numeric:tabular-nums}.number-pad-backspace{position:absolute;right:8px;font-size:var(--number-backspace-font);color:#94a3b8;background:#f1f5f9;width:var(--number-backspace-size);height:var(--number-backspace-size);border-radius:8px;display:flex;align-items:center;justify-content:center}.number-pad-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;flex:1;min-height:0}.number-pad-btn{font-size:var(--number-btn-size);font-weight:700;color:var(--text-primary);background:#fff;border-radius:var(--radius);box-shadow:0 2px 8px #00000014;display:flex;align-items:center;justify-content:center;min-height:var(--number-btn-min);transition:transform .1s,background .1s}.number-pad-btn:active{transform:scale(.93);background:#f1f5f9}.btn-ok{color:#fff!important;font-weight:800}.btn-ok:active{opacity:.8}.btn-clear{color:#ef4444;background:#fef2f2}.choice-pad{display:grid;grid-template-columns:1fr 1fr;gap:8px;flex:1;min-height:0}.choice-btn{font-size:var(--choice-btn-size);font-weight:600;color:var(--text-primary);background:#fff;border:3px solid;border-radius:var(--radius);padding:var(--choice-btn-pad-y) var(--choice-btn-pad-x);min-height:var(--choice-btn-min);display:flex;align-items:center;justify-content:center;text-align:center;box-shadow:0 2px 8px #0000000f;transition:transform .1s;word-break:break-word}.choice-btn:active{transform:scale(.95);background:#f0f9ff}.feedback-overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;z-index:20;pointer-events:none;animation:feedbackPop .3s ease-out}.feedback-correct{background:#22c55e26}.feedback-incorrect{background:#ef444426}.feedback-text{font-size:clamp(1.5rem,4vw,3rem);font-weight:800;text-shadow:0 2px 10px rgba(0,0,0,.1)}.feedback-correct .feedback-text{color:var(--success)}.feedback-incorrect .feedback-text{color:var(--error)}@keyframes feedbackPop{0%{transform:scale(.5);opacity:0}60%{transform:scale(1.1)}to{transform:scale(1);opacity:1}}.team-panel.feedback-correct{animation:flashGreen .4s}.team-panel.feedback-incorrect{animation:flashRed .4s}@keyframes flashGreen{0%,to{background:transparent}50%{background:#22c55e1a}}@keyframes flashRed{0%,to{background:transparent}50%{background:#ef44441a}}.game-footer{display:flex;align-items:center;justify-content:space-between;padding:8px 20px;background:#fff;box-shadow:0 -2px 10px #0000000d;height:clamp(48px,6.2vh,62px)}.footer-btn{font-size:clamp(.9rem,1.05vw,1.1rem);font-weight:600;color:#64748b;background:#f1f5f9;padding:clamp(6px,.8vh,10px) clamp(10px,1vw,18px);border-radius:8px}.footer-btn:active{background:#e2e8f0}.footer-quit{color:var(--error)}.footer-time{font-size:clamp(1rem,1.5vw,1.45rem);font-weight:700;color:var(--text-primary);font-variant-numeric:tabular-nums}.countdown-overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:#0009;z-index:100}.countdown-number{font-size:clamp(5rem,15vw,12rem);font-weight:900;color:#fff;text-shadow:0 4px 30px rgba(0,0,0,.5);animation:countPop .8s ease-out}.countdown-go{color:#22c55e;font-size:clamp(4rem,12vw,10rem)}@keyframes countPop{0%{transform:scale(2);opacity:0}50%{transform:scale(.9);opacity:1}to{transform:scale(1)}}.pause-overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:#000000b3;z-index:90}.pause-content{text-align:center;color:#fff}.pause-content h2{font-size:3rem;margin-bottom:20px}.pause-resume-btn{font-size:1.5rem;font-weight:700;color:#fff;background:#22c55e;padding:15px 40px;border-radius:30px}.result-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;background:linear-gradient(135deg,#1e293b,#334155);gap:24px;padding:20px;overflow:auto}.result-winner{text-align:center;animation:winnerReveal .8s ease-out}.result-winner-name{font-size:clamp(2rem,5vw,4rem);font-weight:900}.result-winner-text{font-size:clamp(1.5rem,3vw,2.5rem);font-weight:700;color:gold}@keyframes winnerReveal{0%{transform:scale(.5);opacity:0}60%{transform:scale(1.05)}to{transform:scale(1);opacity:1}}.result-stats{display:flex;gap:20px;width:100%;max-width:800px}.result-team-stats{flex:1;background:#ffffff14;border:3px solid;border-radius:var(--radius-lg);padding:20px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.winner-stats{background:#ffffff1f;box-shadow:var(--shadow-lg)}.stats-team-name{font-size:1.3rem;font-weight:700;margin-bottom:12px;text-align:center}.stats-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.stat-item{text-align:center}.stat-value{display:block;font-size:1.5rem;font-weight:800;color:#fff}.stat-correct{color:var(--success)}.stat-wrong{color:var(--error)}.stat-label{font-size:.8rem;color:#94a3b8;font-weight:500}.result-actions{display:flex;gap:16px;margin-top:10px}.result-btn{font-size:1.2rem;font-weight:700;padding:14px 32px;border-radius:30px;transition:transform .2s}.result-btn:active{transform:scale(.95)}.result-btn-primary{color:#fff;background:linear-gradient(135deg,#22c55e,#16a34a);box-shadow:0 4px 15px #22c55e4d}.result-btn-secondary{color:#fff;background:linear-gradient(135deg,#3b82f6,#2563eb);box-shadow:0 4px 15px #3b82f64d}.result-btn-tertiary{color:#94a3b8;background:#ffffff1a}.time-cards{margin-bottom:20px}.time-card{width:140px;height:110px}.time-card.selected{border-color:#8b5cf6}.footer-time-urgent{color:var(--error);animation:urgentPulse .5s ease-in-out infinite alternate;font-size:1.3rem}@keyframes urgentPulse{0%{opacity:1;transform:scale(1)}to{opacity:.6;transform:scale(1.15)}}@media(max-width:1450px),(max-height:860px){.game-stage-title{font-size:clamp(1.2rem,2vw,2rem)}.game-stage-meta{font-size:clamp(.78rem,1vw,1rem)}.game-main{grid-template-columns:minmax(0,1fr) minmax(0,1.08fr) minmax(0,1fr)}.game-side-progress,.game-center-status{min-height:50px}.question-text{font-size:clamp(1.05rem,1.55vw,1.9rem)}}@media(max-width:1280px){.game-main{grid-template-columns:1fr 1fr;grid-template-rows:minmax(250px,35vh) 1fr;grid-template-areas:"center center" "left right"}.game-column-center{min-height:0}}@media(max-width:980px){.game-main{grid-template-columns:1fr;grid-template-rows:auto auto auto;grid-template-areas:"center" "left" "right"}.game-column-center{min-height:240px}.game-side-progress,.game-center-status{min-height:62px}}@media(max-height:760px){.game-stage-title{display:none}.game-stage-header{gap:2px;border-bottom-width:1px}.game-stage-meta{max-width:100%;font-size:.85rem}.team-panel{padding:4px}.team-header{padding:6px 10px}.question-display{padding:9px}}@media(max-height:690px){.game-stage-mode{display:none}.game-main{padding-top:6px}.number-pad-btn{min-height:42px}.question-display{padding:8px}.game-stage-title{display:none}.choice-btn{min-height:52px;font-size:.95rem}}.result-draw{text-align:center;animation:winnerReveal .8s ease-out}.result-draw-text{font-size:clamp(2rem,5vw,4rem);font-weight:900;color:gold;text-shadow:0 4px 20px rgba(255,215,0,.4)}.result-draw-subtitle{font-size:clamp(1.2rem,2.5vw,1.8rem);font-weight:600;color:#94a3b8;margin-top:8px}