:root{--common-header-bg:#eceff1;--common-header-text:#263238}.common-header{background-color:var(--common-header-bg);z-index:1000;box-sizing:border-box;border-bottom:2px solid #555;width:100%;padding:14px;position:sticky;top:0;box-shadow:0 2px 5px #0000001a}.common-header-container{justify-content:center;align-items:center;max-width:960px;margin:0 auto;display:flex}.common-header-content-wrapper{flex-direction:row;justify-content:space-between;align-items:center;gap:40px;width:100%;display:flex}.common-header-text-group{text-align:left}.common-header-title{color:var(--common-header-text);font-size:26px;font-weight:700;line-height:1.1;display:block}.common-header-nav{flex:1;gap:30px;display:flex}.common-header-nav-link{color:var(--common-header-text);font-size:16px;font-weight:600;text-decoration:none;transition:transform .2s;display:inline-block}.common-header-nav-link:hover{transform:translateY(-2px)}.common-mobile-warning{color:#f0f0f0;box-sizing:border-box;background-color:#000;justify-content:center;align-items:center;width:100%;min-height:calc(100vh - 80px);padding:20px 0;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;display:none}.common-warning-content{text-align:center;box-sizing:border-box;background:#000;border:3px solid #d6b15a;border-radius:12px;width:90%;max-width:480px;margin:auto;padding:30px;box-shadow:0 10px 30px #000000b3}.common-warning-content h2{color:#d6b15a;margin-top:0;margin-bottom:20px;font-size:24px}.common-warning-content p{margin-bottom:15px;font-size:16px;line-height:1.6}.common-warning-content ul{text-align:left;margin-bottom:25px;padding-left:20px;font-size:15px;display:inline-block}.common-warning-content li{margin-bottom:5px}.common-warning-content .patreon-image-btn{cursor:pointer;background-color:#000;border:1px solid #d6b15a;border-radius:6px;padding:10px 20px}.common-warning-content .patreon-image-btn img{max-width:100%;height:auto;display:block}body.common-mobile-view .main-wrapper,body.common-mobile-view #app-viewport,body.common-mobile-view #boardCanvas{display:none!important}body.common-mobile-view{background-color:#000!important;background-image:none!important;background-attachment:initial!important}@media screen and (width<=980px),screen and (height<=560px){.common-mobile-warning{display:flex!important}.common-header-text-group{display:none!important}.common-header-nav{flex-wrap:wrap;justify-content:center;gap:12px}.common-header-nav-link{font-size:14px}.common-warning-content{padding:20px 15px}.common-warning-content h2{margin-bottom:15px;font-size:20px}.common-warning-content p{margin-bottom:10px;font-size:14px}.common-warning-content ul{margin-bottom:20px;font-size:13px}}