.login-container{display:flex;align-items:center;justify-content:center;width:100%;padding:20px}.login-card{background:#ffffff14;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.15);border-radius:20px;padding:50px 40px;width:100%;max-width:420px;text-align:center;animation:fadeUp .4s ease}@keyframes fadeUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.login-logo{font-size:48px;margin-bottom:12px}.login-title{color:#fff;font-size:36px;font-weight:800;margin-bottom:8px}.login-sub{color:#fff9;font-size:14px;margin-bottom:36px}.login-form{display:flex;flex-direction:column;gap:14px}.login-input{padding:14px 18px;border-radius:10px;border:2px solid rgba(255,255,255,.2);background:#ffffff1a;color:#fff;font-size:16px;outline:none;transition:border .2s}.login-input::placeholder{color:#fff6}.login-input:focus{border-color:#fff9}.login-btn{padding:14px;border-radius:10px;border:none;background:linear-gradient(135deg,#ef4444,#eab308);color:#fff;font-size:17px;font-weight:700;cursor:pointer;transition:opacity .2s,transform .1s}.login-btn:hover{opacity:.9;transform:translateY(-1px)}.login-btn:active{transform:translateY(0)}.lobby-container{display:flex;align-items:center;justify-content:center;width:100%;padding:20px}.lobby-card{background:#ffffff14;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.15);border-radius:20px;padding:50px 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.15s}.board{display:grid;grid-template-columns:repeat(7,72px);grid-template-rows:repeat(6,72px);gap:6px;background:#1e3a8a;padding:12px;border-radius:16px;box-shadow:0 8px 32px #0006}.cell{border-radius:50%;background:#1e3a8a;display:flex;align-items:center;justify-content:center;cursor:default}.cell.clickable{cursor:pointer}.cell.clickable:hover .token:not(.filled){background:#fff3!important}.token{width:60px;height:60px;border-radius:50%;background:#fff;transition:background .15s}.token.filled{box-shadow:inset 0 -4px 8px #0000004d}.game-over-actions{display:flex;gap:12px;justify-content:center}.action-btn{padding:12px 28px;border-radius:10px;border:none;font-size:15px;font-weight:700;cursor:pointer;transition:all .2s}.action-btn.rematch{background:linear-gradient(135deg,#22c55e,#16a34a);color:#fff}.action-btn.lobby{background:#ffffff26;color:#fff}.action-btn:hover{opacity:.9;transform:translateY(-2px)}.chat-panel{width:240px;background:#ffffff14;border:1px solid rgba(255,255,255,.15);border-radius:14px;display:flex;flex-direction:column;overflow:hidden;height:520px;flex-shrink:0}.chat-title{padding:12px 16px;color:#fff;font-weight:700;font-size:14px;border-bottom:1px solid rgba(255,255,255,.1)}.chat-messages{flex:1;overflow-y:auto;padding:12px;display:flex;flex-direction:column;gap:6px}.chat-msg{color:#ffffffd9;font-size:13px;line-height:1.4;word-break:break-word}.chat-form{display:flex;border-top:1px solid rgba(255,255,255,.1)}.chat-input{flex:1;padding:10px 12px;background:transparent;border:none;color:#fff;font-size:13px;outline:none}.chat-input::placeholder{color:#ffffff4d}.chat-send{padding:10px 14px;background:#ffffff26;border:none;color:#fff;font-size:13px;cursor:pointer;transition:background .2s}.chat-send:hover{background:#ffffff40}@media(max-width:700px){.game-container{flex-direction:column;padding:12px}.board{grid-template-columns:repeat(7,44px);grid-template-rows:repeat(6,44px);gap:4px;padding:8px}.token{width:36px;height:36px}.col-indicators{grid-template-columns:repeat(7,44px);gap:4px}.col-indicator{font-size:14px}.chat-panel{width:100%;height:200px}}*{margin:0;padding:0;box-sizing:border-box}html,body,#root{height:100%;font-family:Segoe UI,Arial,sans-serif}.app{min-height:100vh;background:linear-gradient(135deg,#1e1b4b,#312e81,#1e1b4b);display:flex;align-items:center;justify-content:center}