*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:"Segoe UI",Tahoma,Arial,sans-serif}body{background:#eef3f9;color:#0f172a}.hidden{display:none!important}.agi-shell{display:grid;grid-template-columns:310px minmax(0,1fr);height:100vh;overflow:hidden}.agi-sidebar{background:#fff;border-right:1px solid #dce5f1;height:100vh;overflow:auto;padding:12px 12px 18px}.agi-brand{display:flex;align-items:center;gap:12px;padding:8px 0 16px;border-bottom:1px solid #e8eef6}.agi-brand img{width:42px;height:42px;border-radius:12px}.agi-brand-title{font-size:22px;font-weight:900;line-height:1}.agi-brand-sub{font-size:12px;color:#64748b;line-height:1.35;margin-top:6px}.agi-new-chat{width:100%;border:0;border-radius:14px;background:#34a853;color:#fff;font-weight:900;font-size:15px;padding:14px 12px;margin:18px 0;cursor:pointer}.agi-nav-title{font-size:14px;font-weight:900;margin:18px 0 10px;color:#111827}.agi-nav{display:grid;gap:8px}.agi-nav-item{display:flex;align-items:center;gap:12px;width:100%;border:0;border-radius:14px;background:transparent;color:#334155;padding:13px 14px;text-align:left;cursor:pointer;font-size:15px}.agi-nav-item span{width:22px;text-align:center}.agi-nav-item.active,.agi-nav-item:hover{background:#eaf1fb;color:#174ea6}.agi-nav-item strong{font-weight:800}.agi-side-block{margin-top:20px}.agi-side-head{font-size:14px;font-weight:900;margin-bottom:10px}.agi-chip-list{display:flex;gap:8px;flex-wrap:wrap}.agi-chip{border:0;background:#f1f5f9;border-radius:999px;padding:9px 12px;color:#1f2937;cursor:pointer}.agi-chip:hover{background:#e2e8f0}.agi-admin-link{display:block;margin-top:18px;border-radius:14px;background:#f1f5f9;color:#334155;text-decoration:none;font-weight:800;padding:13px 14px}.agi-main{position:relative;height:100vh;min-width:0;overflow:hidden}.agi-frame-wrap,.agi-panel{position:absolute;inset:0;display:none}.agi-frame-wrap.active,.agi-panel.active{display:block}.agi-frame-wrap iframe{width:100%;height:100%;border:0;display:block;background:#eef3f9}.agi-panel{overflow:auto;padding:28px}.agi-card{max-width:1180px;margin:0 auto;background:#fff;border:1px solid #dce5f1;border-radius:26px;padding:26px;box-shadow:0 18px 60px rgba(15,23,42,.08)}.agi-card h1{margin:0 0 10px;font-size:30px}.agi-muted{color:#64748b;line-height:1.6}.agi-video-grid,.agi-link-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:18px}.agi-video-item,.agi-link-card,.agi-key-box{border:1px solid #e2e8f0;background:#f8fafc;border-radius:20px;padding:18px}.agi-video-item h3{margin:0 0 12px}.agi-video-frame{position:relative;overflow:hidden;border-radius:16px;background:#0f172a;aspect-ratio:16/9}.agi-video-frame iframe{width:100%;height:100%;border:0}.agi-link-card{text-decoration:none;color:#111827;font-weight:800}.agi-empty{padding:24px;border-radius:20px;background:#f8fafc;color:#64748b}.agi-key-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:18px}.agi-key-box h2{font-size:18px;margin:0 0 12px}.agi-key-box input{width:100%;border:1px solid #dce5f1;border-radius:14px;padding:13px 14px;font:inherit;margin-top:10px}.agi-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:18px}.agi-actions button{border:0;border-radius:14px;background:#111827;color:#fff;font-weight:900;padding:13px 18px;cursor:pointer}.agi-actions .agi-secondary{background:#f1f5f9;color:#334155}.agi-support{line-height:1.7}.agi-legal{font-size:13px;color:#64748b}.agi-mobile-top{display:none}.agi-backdrop{display:none}.theme-dark{background:#0b1020;color:#e5e7eb}.theme-dark .agi-sidebar,.theme-dark .agi-card{background:#111827;border-color:rgba(255,255,255,.1)}.theme-dark .agi-brand{border-color:rgba(255,255,255,.1)}.theme-dark .agi-brand-sub,.theme-dark .agi-muted,.theme-dark .agi-legal{color:#94a3b8}.theme-dark .agi-nav-item{color:#cbd5e1}.theme-dark .agi-nav-item.active,.theme-dark .agi-nav-item:hover{background:#1e293b;color:#fff}.theme-dark .agi-chip,.theme-dark .agi-admin-link,.theme-dark .agi-actions .agi-secondary,.theme-dark .agi-video-item,.theme-dark .agi-link-card,.theme-dark .agi-key-box{background:#0b1020;border-color:rgba(255,255,255,.1);color:#e5e7eb}.theme-dark .agi-key-box input{background:#0b1020;color:#e5e7eb;border-color:rgba(255,255,255,.1)}
@media(max-width:900px){.agi-shell{grid-template-columns:1fr}.agi-sidebar{position:fixed;left:0;top:0;bottom:0;width:310px;max-width:86vw;z-index:50;transform:translateX(-105%);transition:.22s ease;box-shadow:20px 0 60px rgba(15,23,42,.2)}body.agi-side-open .agi-sidebar{transform:translateX(0)}.agi-backdrop{display:none;position:fixed;inset:0;background:rgba(15,23,42,.45);z-index:40}body.agi-side-open .agi-backdrop{display:block}.agi-mobile-top{height:58px;display:flex;align-items:center;justify-content:space-between;padding:0 12px;background:#fff;border-bottom:1px solid #dce5f1}.theme-dark .agi-mobile-top{background:#111827;border-color:rgba(255,255,255,.1)}.agi-icon-btn{width:40px;height:40px;border:0;border-radius:999px;background:#f1f5f9}.agi-mobile-title{font-weight:900}.agi-frame-wrap,.agi-panel{top:58px}.agi-panel{padding:14px}.agi-video-grid,.agi-link-grid,.agi-key-grid{grid-template-columns:1fr}.agi-card{border-radius:20px;padding:18px}}


/* V5: bỏ nút Admin riêng ở sidebar user và sửa font tiếng Việt */
:root{--agi-safe-font:"Segoe UI",Arial,"Helvetica Neue",Tahoma,sans-serif}
html,body,button,input,textarea,select,a,div,span,strong,em,label,h1,h2,h3,p{font-family:var(--agi-safe-font)!important;text-rendering:geometricPrecision;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
.agi-admin-link{display:none!important}
.agi-card h1,.agi-nav-item strong{font-weight:800;letter-spacing:0}

.agi-support-block{margin-top:22px}.agi-support-block h2{font-size:22px;margin:0 0 12px}.agi-support .support-video-grid{display:grid;gap:16px}