:root{
  --bg:#0f0f12; --bg2:#17171c; --card:#1c1c22; --line:#2a2a33;
  --txt:#e8e8ea; --sub:#9a9aa5; --accent:#ff3b6b; --accent2:#3b82f6;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{background:var(--bg);color:var(--txt);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Hiragino Sans","Noto Sans JP",sans-serif;font-size:14px}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}

.topbar{position:sticky;top:0;z-index:50;background:rgba(15,15,18,.95);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.topbar-inner{display:flex;align-items:center;gap:18px;max-width:1500px;margin:0 auto;padding:10px 20px}
.logo{display:flex;align-items:center;gap:6px;font-weight:700;font-size:18px;letter-spacing:-.3px}
.logo-mark{display:inline-grid;place-items:center;width:28px;height:28px;border-radius:8px;background:linear-gradient(135deg,var(--accent),#ff7a3b);color:#fff;font-weight:800}
.beta{font-size:10px;color:var(--accent);margin-left:2px;vertical-align:super}
.search{flex:1;max-width:560px;display:flex}
.search input{flex:1;background:var(--bg2);border:1px solid var(--line);border-right:none;border-radius:20px 0 0 20px;padding:9px 16px;color:var(--txt);outline:none}
.search input:focus{border-color:#3a3a44}
.search button{background:var(--bg2);border:1px solid var(--line);border-radius:0 20px 20px 0;padding:0 18px;color:var(--sub);cursor:pointer;font-size:18px}
.topnav{display:flex;align-items:center;gap:16px;color:var(--sub)}
.topnav a.active{color:var(--txt)}
.btn-login{background:var(--accent);color:#fff!important;padding:7px 16px;border-radius:18px;font-weight:600}

.layout{display:flex;max-width:1500px;margin:0 auto}
.sidebar{width:210px;flex-shrink:0;padding:16px 8px;position:sticky;top:57px;height:calc(100vh - 57px);overflow:auto}
.side-item{display:flex;align-items:center;gap:10px;padding:9px 14px;border-radius:10px;color:var(--sub);font-weight:500}
.side-item:hover{background:var(--bg2)}
.side-item.active{background:#26262e;color:var(--txt)}
.side-sep{height:1px;background:var(--line);margin:12px 8px}
.side-label{font-size:11px;color:#6a6a75;padding:6px 14px;letter-spacing:.5px}
.dot{width:8px;height:8px;border-radius:50%}
.dot-g{background:#22c55e}.dot-b{background:#3b82f6}.dot-p{background:#a855f7}

.content{flex:1;padding:16px 24px 60px}
.chips{display:flex;gap:9px;overflow:auto;padding-bottom:14px;margin-bottom:6px}
.chip{white-space:nowrap;background:var(--bg2);border:1px solid var(--line);padding:7px 14px;border-radius:9px;color:var(--sub);cursor:pointer}
.chip.active{background:var(--txt);color:#111;border-color:var(--txt);font-weight:600}

.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:18px 16px}
.card{cursor:pointer}
.thumb{position:relative;aspect-ratio:16/9;border-radius:12px;overflow:hidden;background:linear-gradient(135deg,#23232b,#15151a)}
.thumb .ph{width:100%;height:100%;object-fit:cover}
.dur{position:absolute;right:8px;bottom:8px;background:rgba(0,0,0,.8);color:#fff;font-size:12px;padding:1px 6px;border-radius:4px;font-weight:600}
.live-badge{position:absolute;left:8px;top:8px;background:var(--accent);color:#fff;font-size:11px;padding:2px 7px;border-radius:4px;font-weight:700;letter-spacing:.5px}
.meta{display:flex;gap:11px;margin-top:10px}
.av{width:36px;height:36px;border-radius:50%;flex-shrink:0;background:linear-gradient(135deg,#3b82f6,#a855f7)}
.mtitle{font-weight:600;line-height:1.35;color:var(--txt);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.mch{color:var(--sub);margin-top:3px}
.mstat{color:var(--sub);font-size:13px}

.loadmore{display:flex;justify-content:center;padding:30px 0}
.loadmore button{background:var(--bg2);border:1px solid var(--line);color:var(--txt);padding:10px 28px;border-radius:20px;cursor:pointer;font-weight:600}

.footer{border-top:1px solid var(--line);margin-top:20px}
.footer-inner{max-width:1500px;margin:0 auto;padding:24px 24px;color:var(--sub);display:flex;flex-direction:column;gap:8px;font-size:13px}
.footer-links{display:flex;gap:18px}
.footer-jp{color:#6a6a75;font-size:12px}

/* watch page */
.watch{display:flex;gap:24px;max-width:1500px;margin:0 auto;padding:20px 24px 60px}
.watch-main{flex:1;min-width:0}
.player{position:relative;width:100%;aspect-ratio:16/9;background:#000;border-radius:12px;overflow:hidden;display:grid;place-items:center}
.player .poster{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:brightness(.5)}
.play-btn{position:relative;z-index:2;width:74px;height:74px;border-radius:50%;background:rgba(255,59,107,.92);border:none;cursor:pointer;display:grid;place-items:center}
.play-btn::after{content:"";border-style:solid;border-width:13px 0 13px 22px;border-color:transparent transparent transparent #fff;margin-left:5px}
.spinner{position:relative;z-index:2;width:54px;height:54px;border:5px solid rgba(255,255,255,.18);border-top-color:#fff;border-radius:50%;animation:spin 1s linear infinite;display:none}
@keyframes spin{to{transform:rotate(360deg)}}
.buf-text{position:absolute;bottom:18px;left:0;right:0;text-align:center;color:#ddd;font-size:13px;z-index:3;display:none}
.err-text{position:absolute;inset:0;z-index:4;display:none;flex-direction:column;align-items:center;justify-content:center;background:rgba(0,0,0,.7);color:#eee;gap:10px}
.err-text button{background:var(--accent);border:none;color:#fff;padding:8px 18px;border-radius:8px;cursor:pointer}
.vtitle{font-size:19px;font-weight:700;margin:16px 0 8px}
.vbar{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.vstats{color:var(--sub)}
.vactions{display:flex;gap:8px}
.vactions span{background:var(--bg2);border:1px solid var(--line);padding:7px 14px;border-radius:18px;cursor:pointer;color:var(--sub)}
.chbox{display:flex;gap:12px;align-items:center;padding:16px 0}
.chbox .av{width:46px;height:46px}
.subbtn{margin-left:auto;background:var(--accent);color:#fff;border:none;padding:9px 18px;border-radius:18px;font-weight:600;cursor:pointer}
.related{width:380px;flex-shrink:0}
.ritem{display:flex;gap:9px;margin-bottom:11px;cursor:pointer}
.rthumb{position:relative;width:168px;aspect-ratio:16/9;border-radius:8px;overflow:hidden;flex-shrink:0;background:#23232b}
.rmeta .rt{font-weight:600;line-height:1.3;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rmeta .rc{color:var(--sub);font-size:12px;margin-top:4px}
.comments{margin-top:22px}
.cti{font-weight:700;margin-bottom:16px}
.crow{display:flex;gap:12px;margin-bottom:18px}
.cav{width:38px;height:38px;border-radius:50%;flex-shrink:0;background:linear-gradient(135deg,#22c55e,#3b82f6)}
.cbody .cu{font-weight:600;font-size:13px}.cbody .cu span{color:var(--sub);font-weight:400;margin-left:8px}
.cbody .ct{margin-top:4px;line-height:1.4}

/* interactive actions */
.vact{background:var(--bg2);border:1px solid var(--line);padding:7px 14px;border-radius:18px;cursor:pointer;color:var(--sub);user-select:none;transition:background .12s}
.vact:hover{background:#26262e}
.vact.on{color:var(--accent);border-color:rgba(255,59,107,.5)}
.vact .cnt{color:var(--txt)}
.subbtn.subbed{background:#3a3a44!important}

/* share modal */
.modal-overlay{position:fixed;inset:0;z-index:200;background:rgba(0,0,0,.6);display:none;align-items:center;justify-content:center;padding:20px}
.modal{width:440px;max-width:100%;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px 22px;box-shadow:0 20px 60px rgba(0,0,0,.5)}
.modal-head{display:flex;justify-content:space-between;align-items:center;font-size:17px;margin-bottom:18px}
.modal-x{cursor:pointer;color:var(--sub);font-size:18px}
.share-row{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:18px}
.sh-ico{width:46px;height:46px;border-radius:50%;display:grid;place-items:center;color:#fff;font-weight:700;font-size:18px;text-decoration:none}
.share-link{display:flex;gap:8px;margin-bottom:16px}
.share-link input{flex:1;background:var(--bg2);border:1px solid var(--line);border-radius:9px;padding:10px 12px;color:var(--txt);outline:none}
.share-link button{background:var(--accent);border:none;color:#fff;padding:0 18px;border-radius:9px;cursor:pointer;font-weight:600}
.share-qr{display:flex;align-items:center;gap:14px;color:var(--sub);font-size:13px;padding:8px 0 14px;border-top:1px solid var(--line)}
.share-qr img{width:96px;height:96px;border-radius:8px;background:#fff;padding:4px}
.share-embed summary{cursor:pointer;color:var(--sub);font-size:13px}
.share-embed textarea{width:100%;height:64px;margin-top:8px;background:var(--bg2);border:1px solid var(--line);border-radius:8px;color:var(--txt);padding:8px;font-family:monospace;font-size:12px;resize:none}

@media(max-width:1100px){.related{display:none}.sidebar{display:none}}
@media(max-width:560px){.topnav a:not(.btn-login){display:none}.modal{width:100%}}