:root{--ff-blue:#0a2266;--ff-dark-blue:#051033;--ff-yellow:gold;--ff-yellow-glow:#ffd70080;--ff-white:#fff;--ff-red:#d32f2f;--ff-bg-gradient:radial-gradient(circle at center, var(--ff-blue) 0%, var(--ff-dark-blue) 100%);--ff-panel-bg:linear-gradient(180deg, #1a365d 0%, #0d1e3e 100%);--ff-panel-border:#3b82f6;--font-family:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background:var(--ff-bg-gradient);color:var(--ff-white);min-height:100vh;overflow-x:hidden}#root{flex-direction:column;width:100%;max-width:1200px;min-height:100vh;margin:0 auto;padding:2rem;display:flex}h1,h2,h3{text-align:center;text-transform:uppercase;letter-spacing:2px}button{cursor:pointer;font-family:var(--font-family);border:none;border-radius:8px;font-weight:700;transition:all .2s ease-in-out}button:hover{transform:translateY(-2px);box-shadow:0 4px 12px #0003}button:active{transform:translateY(0)}.btn-primary{background-color:var(--ff-yellow);color:var(--ff-dark-blue);text-transform:uppercase;box-shadow:0 0 15px var(--ff-yellow-glow);padding:1rem 2rem;font-size:1.2rem}.btn-primary:hover{box-shadow:0 0 25px var(--ff-yellow-glow)}.text-yellow{color:var(--ff-yellow);text-shadow:0 0 8px var(--ff-yellow-glow)}.text-center{text-align:center}.mb-1{margin-bottom:.5rem}.mb-2{margin-bottom:1rem}.mb-4{margin-bottom:2rem}.mt-4{margin-top:2rem}.flex{display:flex}.flex-col{flex-direction:column;display:flex}.items-center{align-items:center}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.gap-2{gap:.5rem}.gap-4{gap:1rem}.w-full{width:100%}.game-board{background:var(--ff-panel-bg);border:4px solid var(--ff-panel-border);border-radius:12px;width:100%;max-width:900px;margin:0 auto;padding:1rem;box-shadow:0 0 30px #00000080,inset 0 0 20px #0000004d}.board-header{border-bottom:2px solid var(--ff-panel-border);justify-content:space-between;margin-bottom:1rem;padding-bottom:1rem;display:flex}.total-score{color:var(--ff-yellow);border:2px solid var(--ff-yellow);text-shadow:0 0 10px var(--ff-yellow-glow);background:#000;border-radius:8px;padding:.5rem 1rem;font-family:monospace;font-size:2.5rem}.flip-card{border:2px solid var(--ff-panel-border);background:#000;border-radius:4px;height:60px;margin-bottom:.5rem;display:flex;position:relative;overflow:hidden}.flip-card-inner{width:100%;height:100%;transform-style:preserve-3d;-webkit-transform-style:preserve-3d;transition:transform .6s cubic-bezier(.4,0,.2,1);position:relative}.flip-card.revealed .flip-card-inner{transform:rotateX(180deg)}.flip-card-front,.flip-card-back{backface-visibility:hidden;align-items:center;width:100%;height:100%;display:flex;position:absolute}.flip-card-front{background:linear-gradient(#2b6cb0 0%,#1a365d 100%);justify-content:center}.number-circle{background:var(--ff-yellow);color:var(--ff-dark-blue);border-radius:50%;justify-content:center;align-items:center;width:30px;height:30px;font-weight:700;display:flex}.flip-card-back{color:var(--ff-yellow);text-transform:uppercase;background:#111;font-size:1.2rem;font-weight:700;transform:rotateX(180deg)}.answer-text{white-space:nowrap;text-overflow:ellipsis;flex-grow:1;padding:0 1rem;overflow:hidden}.answer-points{border-left:2px solid var(--ff-panel-border);background:#000;justify-content:center;align-items:center;width:60px;font-family:monospace;font-size:1.5rem;display:flex}.strike-overlay{pointer-events:none;z-index:100;justify-content:center;align-items:center;animation:1.5s ease-out forwards flash;display:flex;position:fixed;inset:0}.strike-x{color:var(--ff-red);text-shadow:0 0 30px #d32f2fcc,5px 5px #000;font-size:20rem;font-weight:700}@keyframes flash{0%{opacity:0;transform:scale(.5)}10%{opacity:1;transform:scale(1.2)}20%{opacity:1;transform:scale(1)}80%{opacity:1;transform:scale(1)}to{opacity:0;transform:scale(.8)}}.gm-panel{background:#0006;border:1px solid #ffffff1a;border-radius:12px;width:100%;max-width:600px;margin:0 auto;padding:2rem}.gm-select{color:#fff;border:2px solid var(--ff-yellow);background:#1a365d;border-radius:8px;outline:none;width:100%;margin-bottom:1rem;padding:1rem;font-size:1.1rem}.gm-select:focus{box-shadow:0 0 10px var(--ff-yellow-glow)}.timer{color:var(--ff-yellow);text-align:center;text-shadow:0 0 10px var(--ff-yellow-glow);margin-bottom:1rem;font-family:monospace;font-size:3rem}.timer.warning{color:var(--ff-red);text-shadow:0 0 10px #d32f2fcc}@media (width<=600px){#root{padding:1rem .5rem}.gap-4{gap:.5rem}.flip-card{height:50px}.flip-card-back{font-size:.75rem;line-height:1.1}.answer-text{white-space:normal;text-align:left;align-items:center;padding:0 .4rem;display:flex}.answer-points{width:30px;font-size:1rem}.number-circle{width:24px;height:24px;font-size:.9rem}.game-board{padding:.5rem}.total-score{padding:.25rem .5rem;font-size:1.5rem}}