:root{--bg:#0A0B16;--text:#FFFFFF;--muted:#C9C6EA;--accent:#9B5CF3;--accent2:#3B82F6;--border:rgba(255,255,255,.14);}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,Segoe UI,Roboto,Arial,sans-serif}
.header{display:flex;justify-content:space-between;align-items:center;padding:10px 14px;border-bottom:1px solid var(--border);background:linear-gradient(180deg,#151a36,#080b18);position:fixed;inset:0 0 auto 0;z-index:5;gap:8px;box-shadow:0 6px 18px rgba(0,0,0,.35)}
a.btn{display:inline-flex;align-items:center;gap:8px;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;padding:10px 12px;border-radius:10px;font-weight:900;text-decoration:none;white-space:nowrap;border:1px solid rgba(255,255,255,.24);text-shadow:0 1px 2px rgba(0,0,0,.45);box-shadow:0 5px 14px rgba(30,40,110,.35)}
.frame{position:fixed;left:0;right:0;top:56px;bottom:0;background:#000}.frame iframe{width:100%;height:100%;border:0;background:#000}.title{font-weight:900;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:#fff;text-shadow:0 1px 2px rgba(0,0,0,.75);letter-spacing:.01em}
@media (max-width:640px){.header{padding:8px 10px}.frame{top:50px}.title{font-size:14px}a.btn{padding:9px 10px;font-size:13px}}
@supports (padding:max(0px)){.frame{bottom:max(0px,env(safe-area-inset-bottom));}}
.header-actions{display:flex;gap:8px;align-items:center}