*{box-sizing:border-box}:root{--bg:#0b0c0f;--card:#15171a;--line:#2b2f35;--text:#f3f4f6;--muted:#9ca3af;--blue:#2563eb;--green:#16a34a;--red:#dc2626}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}button,input{font:inherit}button{border:0;border-radius:9px;padding:10px 15px;background:#292d33;color:#fff;cursor:pointer}.primary{background:var(--blue)}.danger{background:var(--red)}.successbtn{background:var(--green)}input{background:#111316;border:1px solid var(--line);color:#eee;border-radius:9px;padding:12px;outline:0}a{color:#60a5fa}.shell{max-width:1200px;margin:auto;padding:20px}.mobile{max-width:460px;min-height:100vh;margin:auto;padding:18px 28px}.panel{background:var(--card);border:1px solid var(--line);border-radius:13px;padding:18px}.form{display:grid;gap:12px}.wide{width:100%}.small{font-size:12px;color:var(--muted)}.logo{font-size:70px;text-align:center;margin-top:100px}.customer-title{text-align:center;font-size:28px;margin:15px 0 25px}.status{text-align:center;color:var(--muted);padding:8px}.topbar{display:flex;justify-content:space-between;align-items:center;gap:15px;padding:10px 0 20px}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}.row{display:flex;gap:8px}.row>*{flex:1}.section{margin-top:16px}.badge{display:inline-block;padding:5px 9px;border-radius:99px;background:#273044;color:#a9c7ff;font-size:12px;margin-left:8px}.badge.green{background:#143622;color:#7ee2a5}.badge.red{background:#3a1919;color:#ff9b9b}.room-card,.staff-card,.assign-card{padding:13px;background:#111316;border:1px solid var(--line);border-radius:10px;margin-bottom:9px;display:flex;justify-content:space-between;align-items:center;gap:10px}.waiting{text-align:center;margin:18vh auto;color:var(--muted)}.spinner{font-size:35px;color:#3b82f6;animation:pulse 1s infinite}@keyframes pulse{50%{opacity:.35}}.video-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.video-box{position:relative;background:#050505;border-radius:10px;overflow:hidden}.video-box video{display:block;width:100%;aspect-ratio:4/3;object-fit:cover;min-height:380px}.video-name{position:absolute;bottom:9px;left:9px;background:rgba(0,0,0,.62);padding:5px 9px;border-radius:7px;font-size:13px}.controls{display:flex;gap:8px;flex-wrap:wrap;margin:10px 0}.close-room-option{display:inline-flex;align-items:center;gap:6px;background:#292d33;padding:10px 12px;border-radius:9px;cursor:pointer;color:#e5e7eb;font-size:13px}.close-room-option input{width:16px;height:16px;padding:0}.chat{border:1px solid var(--line);border-radius:10px;background:#111316}.messages{height:230px;overflow:auto;padding:12px}.msg{padding:7px 0;border-bottom:1px solid #202328}.system{color:#8b93a0;padding:7px 0}.chatbar{display:flex;gap:7px;padding:9px;border-top:1px solid var(--line)}.chatbar input{flex:1}.filebtn{background:#292d33;padding:10px 12px;border-radius:9px;cursor:pointer}.alert{padding:12px;border-radius:10px;background:#2b2111;border:1px solid #614313;color:#ffd78a}.hidden{display:none!important}.login{max-width:430px;margin:13vh auto}.login h1{text-align:center}.login .form button{padding:13px}@media(max-width:760px){
.grid2{grid-template-columns:1fr}
.shell{padding:12px}
.mobile{padding:15px 22px}
.logo{margin-top:80px}
.row{flex-wrap:wrap}
.customer-page .customer-video-grid{grid-template-columns:1fr 1fr;gap:8px}
.customer-page .video-box video{aspect-ratio:4/3;min-height:360px}
.customer-page{padding-left:8px;padding-right:8px;max-width:1100px}
.customer-page .video-name{font-size:12px;bottom:6px;left:6px}
}
.sound-btn{display:block;width:100%;margin:8px 0;background:#f59e0b;color:#111}
.sound-btn.hidden{display:none!important}


.customer-page .customer-video-grid{width:100%;}
@media(min-width:761px){.customer-page .video-box video{min-height:540px}.customer-page{max-width:1200px}.customer-page .video-grid{gap:14px}}
@media(max-width:760px){.customer-page .video-box video{min-height:360px}.customer-page .customer-video-grid{gap:10px}}