:root{--bg:#fff;--bg2:#f8f9fa;--bg3:#e9ecef;--tx:#212529;--tx2:#6c757d;--tx3:#adb5bd;--bd:#dee2e6;--ac:#0d6efd;--ac2:#0b5ed7;--ok:#198754;--er:#dc3545;--sh:0 1px 3px rgba(0,0,0,.08);--r:.5rem;--h:56px}
[data-theme="dark"]{--bg:#1a1d21;--bg2:#212529;--bg3:#2c3034;--tx:#f8f9fa;--tx2:#adb5bd;--tx3:#6c757d;--bd:#343a40;--sh:0 1px 3px rgba(0,0,0,.3)}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Noto Sans",sans-serif;background:var(--bg);color:var(--tx);line-height:1.5;overflow-x:hidden}
.app{display:flex;min-height:100vh}
.mobile-header{position:fixed;top:0;left:0;right:0;height:var(--h);background:var(--bg2);border-bottom:1px solid var(--bd);display:flex;align-items:center;justify-content:space-between;padding:0 1rem;z-index:100}
.mobile-title{display:flex;align-items:center;gap:.5rem;font-weight:600;font-size:1.125rem}
.mobile-title .icon{font-size:1.5rem}
.menu-btn,.theme-btn{width:2.5rem;height:2.5rem;background:none;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;border-radius:.25rem;font-size:1.25rem}
.menu-btn{flex-direction:column;gap:4px;padding:.5rem}
.menu-btn span{width:1.25rem;height:2px;background:var(--tx);border-radius:2px;transition:.3s}
.sidebar{position:fixed;top:0;left:0;width:260px;height:100vh;background:var(--bg2);border-right:1px solid var(--bd);display:flex;flex-direction:column;z-index:200;transform:translateX(-100%);transition:transform .3s}
.sidebar.open{transform:translateX(0)}
.sidebar-head{height:var(--h);display:flex;align-items:center;justify-content:space-between;padding:0 1rem;border-bottom:1px solid var(--bd)}
.logo{display:flex;align-items:center;gap:.75rem;font-weight:600}
.logo-icon{font-size:1.75rem}
.close-btn{width:2rem;height:2rem;background:none;border:none;font-size:1.25rem;color:var(--tx2);cursor:pointer;border-radius:.25rem}
.close-btn:hover{background:var(--bg3);color:var(--tx)}
.nav{flex:1;padding:.5rem;overflow-y:auto}
.nav-item{width:100%;display:flex;align-items:center;gap:.5rem;padding:.75rem 1rem;background:none;border:none;border-radius:.25rem;color:var(--tx2);font-size:.9375rem;cursor:pointer;text-align:left;transition:.2s}
.nav-item:hover{background:var(--bg3);color:var(--tx)}
.nav-item.active{background:var(--ac);color:#fff}
.sidebar-foot{padding:1rem;border-top:1px solid var(--bd)}
.user-box{display:flex;align-items:center;gap:.75rem}
.avatar{width:2.5rem;height:2.5rem;background:var(--ac);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:600;flex-shrink:0;font-size:1.125rem}
.uname{font-weight:500;font-size:.9375rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.uid{font-size:.75rem;color:var(--tx3);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.overlay{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:150;opacity:0;pointer-events:none;transition:.3s}
.overlay.show{opacity:1;pointer-events:all}
.main{flex:1;padding-top:var(--h);min-width:0}
.container{max-width:1000px;margin:0 auto;padding:1.5rem 1rem}
.view{display:none}
.view.active{display:block;animation:fadeIn .3s}
@keyframes fadeIn{from{opacity:0;transform:translateY(.5rem)}to{opacity:1;transform:translateY(0)}}
h1{font-size:1.5rem;font-weight:600;margin-bottom:1.25rem}
.page-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.25rem}
.page-head h1{margin:0}
.stats{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem;margin-bottom:1.5rem}
.sc{background:var(--bg2);border:1px solid var(--bd);border-radius:var(--r);padding:1.25rem;text-align:center}
.sv{font-size:1.75rem;font-weight:600}
.sl{font-size:.8rem;color:var(--tx3);margin-top:.25rem}
.card{background:var(--bg2);border:1px solid var(--bd);border-radius:var(--r);padding:1.5rem;margin-bottom:1.5rem}
.card h3{font-size:1.125rem;font-weight:600;margin-bottom:1rem}
.info-grid{display:grid;grid-template-columns:1fr 1fr;gap:.75rem}
.ig{display:flex;justify-content:space-between;align-items:center;padding:.75rem;background:var(--bg3);border-radius:.25rem;font-size:.875rem}
.k{color:var(--tx3)}.v{font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:60%}
.badge{display:inline-flex;align-items:center;gap:.25rem;padding:.2rem .6rem;border-radius:1rem;font-size:.75rem;font-weight:500}
.badge.ok{background:var(--ok);color:#fff}
.badge::before{content:'';width:.5rem;height:.5rem;border-radius:50%;background:currentColor;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.5}}
.search-input{width:100%;padding:.75rem 1rem;background:var(--bg2);border:1px solid var(--bd);border-radius:var(--r);color:var(--tx);font-size:.9375rem;margin-bottom:1.25rem}
.search-input:focus{outline:none;border-color:var(--ac)}
.rooms-grid{display:grid;gap:1rem}
.room-card{background:var(--bg2);border:1px solid var(--bd);border-radius:var(--r);padding:1.25rem;transition:.2s}
.room-card:hover{transform:translateY(-2px);box-shadow:var(--sh)}
.room-hd{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:.75rem;gap:.5rem}
.room-title{font-weight:600;word-break:break-word}
.room-host{font-size:.8125rem;color:var(--tx3)}
.room-type{padding:.15rem .6rem;background:var(--bg3);border-radius:1rem;font-size:.75rem;font-weight:500;white-space:nowrap;flex-shrink:0}
.room-info{display:flex;flex-wrap:wrap;gap:.75rem;margin-bottom:1rem;font-size:.875rem;color:var(--tx2)}
.room-acts{display:flex;gap:.5rem;flex-wrap:wrap}
.btn-primary,.btn-secondary,.btn-danger,.btn-sm,.btn-block{padding:.6rem 1.2rem;border:none;border-radius:var(--r);font-weight:500;font-size:.875rem;cursor:pointer;transition:.2s;white-space:nowrap}
.btn-primary{background:var(--ac);color:#fff}.btn-primary:hover{background:var(--ac2)}
.btn-secondary{background:var(--bg3);color:var(--tx);border:1px solid var(--bd)}
.btn-danger{background:var(--er);color:#fff}.btn-danger:hover{background:#bb2d3b}
.btn-sm{background:none;border:1px solid var(--bd);padding:.4rem .8rem}
.btn-sm:hover{background:var(--bg3)}
.btn-block{width:100%}
.form{max-width:500px}
.fg{margin-bottom:1.25rem}
.fg label{display:block;font-weight:500;margin-bottom:.4rem;font-size:.875rem}
.fg input,.fg select{width:100%;padding:.7rem 1rem;background:var(--bg2);border:1px solid var(--bd);border-radius:var(--r);color:var(--tx);font-size:.9375rem}
.fg input:focus,.fg select:focus{outline:none;border-color:var(--ac)}
.result-box{margin-top:1.25rem;padding:1rem;background:var(--bg3);border:1px solid var(--bd);border-radius:var(--r);word-break:break-word}
.empty{text-align:center;padding:3rem 1rem;color:var(--tx3)}
.empty .btn-primary{margin-top:1rem}
.guide-list{padding-left:1.25rem;line-height:2}
.guide-list b{color:var(--ac)}
.game-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:1rem}
.gc{background:var(--bg3);border-radius:var(--r);padding:1.25rem;text-align:center}
.gi{font-size:2rem;margin-bottom:.5rem}
.gn{font-weight:600;margin-bottom:.25rem}
.gd{font-size:.8rem;color:var(--tx2);margin-bottom:.25rem}
.gc-desc{font-size:.75rem;color:var(--tx3)}
.proto-info p,.proto-info ul{margin-bottom:1rem;font-size:.875rem;line-height:1.8}
.proto-info ul{padding-left:1.5rem}
.port-table{overflow-x:auto}
.port-table table{width:100%;border-collapse:collapse;font-size:.875rem}
.port-table th,.port-table td{padding:.6rem .75rem;border:1px solid var(--bd);text-align:left}
.port-table th{background:var(--bg3);font-weight:600;font-size:.8rem;text-transform:uppercase}
.sw-row{display:flex;align-items:center;justify-content:space-between;padding:.85rem 0;border-bottom:1px solid var(--bd)}
.sw-row:last-child{border-bottom:none}
.sw{position:relative;width:3rem;height:1.75rem;cursor:pointer}
.sw input{opacity:0;width:0;height:0}
.sl2{position:absolute;inset:0;background:var(--bg3);border:1px solid var(--bd);border-radius:1.75rem;transition:.3s;cursor:pointer}
.sl2::before{content:'';position:absolute;height:1.25rem;width:1.25rem;left:.25rem;top:50%;transform:translateY(-50%);background:#fff;border-radius:50%;transition:.3s;box-shadow:0 2px 4px rgba(0,0,0,.2)}
.sw input:checked+.sl2{background:var(--ac);border-color:var(--ac)}
.sw input:checked+.sl2::before{transform:translate(1.25rem,-50%)}
.toasts{position:fixed;bottom:1rem;right:1rem;z-index:1000;display:flex;flex-direction:column;gap:.75rem;max-width:calc(100vw - 2rem)}
.toast{background:var(--bg2);border:1px solid var(--bd);border-left:4px solid var(--ac);border-radius:var(--r);padding:1rem;box-shadow:var(--sh);animation:slideIn .3s;min-width:260px;max-width:400px;word-break:break-word;font-size:.875rem}
.toast.ok{border-left-color:var(--ok)}.toast.er{border-left-color:var(--er)}
@keyframes slideIn{from{transform:translateX(100%);opacity:0}to{transform:translateX(0);opacity:1}}
.modal{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:300;display:none;align-items:center;justify-content:center;padding:1rem}
.modal.show{display:flex}
.modal-box{background:var(--bg);border-radius:var(--r);width:100%;max-width:500px;max-height:90vh;overflow:auto;box-shadow:var(--sh)}
.modal-head{display:flex;align-items:center;justify-content:space-between;padding:1.25rem;border-bottom:1px solid var(--bd)}
.modal-head h3{font-size:1.125rem}
.modal-head button{background:none;border:none;font-size:1.25rem;color:var(--tx2);cursor:pointer}
.modal-body{padding:1.25rem;word-break:break-word;font-size:.875rem;line-height:1.8}
::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--bd);border-radius:4px}
@media(min-width:768px){.mobile-header{display:none}.sidebar{transform:translateX(0);position:relative}.close-btn{display:none}.main{padding-top:0}.overlay{display:none}.stats{grid-template-columns:repeat(4,1fr)}}
@media(max-width:767px){.game-cards{grid-template-columns:1fr}}