.game-container{max-width:1000px;margin:0 auto;background:white;border-radius:20px;padding:30px;box-shadow:0 10px 30px rgba(0,0,0,.2)}.header{text-align:center;margin-bottom:30px}.title{font-size:2.5rem;color:#4a5568;margin-bottom:10px;text-shadow:2px 2px 4px rgba(0,0,0,.1)}.score{font-size:1.2rem;color:#718096;margin-bottom:20px}.game-board{display:grid;grid-template-columns:1fr 1fr;grid-gap:40px;gap:40px;margin-bottom:30px}.definitions-column,.terms-column{display:flex;flex-direction:column;gap:15px}.column-header{font-size:1.5rem;font-weight:700;text-align:center;padding:15px;border-radius:15px;margin-bottom:10px}.terms-header{background:linear-gradient(135deg,#ff6b6b,#ee5a24);color:white}.definitions-header{background:linear-gradient(135deg,#4ecdc4,#44a08d);color:white}.definition-card,.term-card{padding:20px;border-radius:15px;cursor:pointer;transition:all .3s ease;border:3px solid transparent;font-size:1.1rem;font-weight:500;position:relative;overflow:hidden}.term-card{background:linear-gradient(135deg,#ffeaa7,#fdcb6e);color:#2d3436}.definition-card{background:linear-gradient(135deg,#a8e6cf,#7fcdcd);color:#2d3436}.definition-card:hover,.term-card:hover{transform:translateY(-5px);box-shadow:0 8px 25px rgba(0,0,0,.15)}.term-card.selected{border-color:#ff6b6b;transform:scale(1.05);box-shadow:0 0 20px rgba(255,107,107,.5)}.definition-card.selected{border-color:#4ecdc4;transform:scale(1.05);box-shadow:0 0 20px rgba(78,205,196,.5)}.matched{background:linear-gradient(135deg,#00b894,#00a085)!important;color:white!important;cursor:default!important;animation:matchSuccess .6s ease-in-out}@keyframes matchSuccess{0%{transform:scale(1)}50%{transform:scale(1.1) rotate(5deg)}to{transform:scale(1) rotate(0deg)}}.celebration{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:2rem;animation:celebrate 1s ease-in-out;pointer-events:none}@keyframes celebrate{0%{opacity:0;transform:translate(-50%,-50%) scale(0)}50%{opacity:1;transform:translate(-50%,-50%) scale(1.2)}to{opacity:0;transform:translate(-50%,-50%) scale(1)}}.controls{display:flex;justify-content:center;gap:20px;margin-bottom:20px}.btn{padding:12px 24px;border:none;border-radius:25px;font-size:1rem;font-weight:700;cursor:pointer;transition:all .3s ease}.hint-btn{background:linear-gradient(135deg,#fd79a8,#e84393);color:white}.reset-btn{background:linear-gradient(135deg,#74b9ff,#0984e3);color:white}.btn:hover{transform:translateY(-2px);box-shadow:0 5px 15px rgba(0,0,0,.2)}.hint-display{background:linear-gradient(135deg,#ffeaa7,#fdcb6e);border-radius:15px;padding:20px;margin:20px 0;text-align:center;font-size:1.1rem;border-left:5px solid #e17055}.completion-message{text-align:center;font-size:1.5rem;color:#00b894;font-weight:700;margin-top:20px;display:none;animation:bounce 1s infinite}@keyframes bounce{0%,20%,50%,80%,to{transform:translateY(0)}40%{transform:translateY(-10px)}60%{transform:translateY(-5px)}}.confetti{position:fixed;width:10px;height:10px;background:#ff6b6b;animation:confetti-fall 3s linear infinite;z-index:1000}@keyframes confetti-fall{0%{transform:translateY(-100vh) rotate(0deg);opacity:1}to{transform:translateY(100vh) rotate(2turn);opacity:0}}@media (max-width:768px){.game-board{grid-template-columns:1fr;gap:20px}.title{font-size:2rem}.controls{flex-direction:column;align-items:center}}