:root{--app-height: 100vh;--mf-black: #000000;--mf-white: #ffffff;--mf-blue: #3b82f6;--mf-gray: #6b7280}*,*:before,*:after{box-sizing:border-box}html,body{margin:0;padding:0;height:100%;background:var(--mf-black);color:var(--mf-white);font-family:Work Sans,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;overflow:hidden;touch-action:none}.presentation-root{position:fixed;inset:0;width:100%;height:var(--app-height);background:var(--mf-black);overflow:hidden;display:flex}.presentation-iframe{width:100%;height:100%;border:0}.loading-overlay{position:absolute;inset:0;background:radial-gradient(circle at top,#111827,#000 60%);display:flex;align-items:center;justify-content:center;padding:2rem}.loading-content{text-align:center;max-width:360px}.logo-img{width:120px;height:auto;margin-bottom:1.25rem;-webkit-user-select:none;user-select:none;-webkit-user-drag:none;opacity:.92}.loading-title{font-size:1.1rem;font-weight:600;margin:0 0 .5rem}.loading-subtitle{font-size:.9rem;margin:0 0 1.5rem;color:var(--mf-gray)}.spinner{width:32px;height:32px;border-radius:999px;border:3px solid rgba(255,255,255,.18);border-top-color:var(--mf-blue);animation:spin .8s linear infinite;margin:0 auto}@keyframes spin{to{transform:rotate(360deg)}}.error-screen{align-items:center;justify-content:center}.error-card{background:radial-gradient(circle at top,#111827,#020617 60%);border-radius:1.25rem;padding:2rem 1.75rem;max-width:420px;width:90%;text-align:center;border:1px solid rgba(148,163,184,.4);box-shadow:0 24px 60px #000000a6}.error-card h1{font-size:1.2rem;margin:.75rem 0 .5rem}.error-card p{font-size:.9rem;margin:.25rem 0;color:var(--mf-gray)}.error-card a{color:var(--mf-blue);text-decoration:none}.error-card a:hover{text-decoration:underline}.retry-button{margin-top:1.5rem;padding:.6rem 1.4rem;border-radius:999px;border:none;font-size:.9rem;font-weight:500;background:var(--mf-blue);color:var(--mf-white);cursor:pointer}.retry-button:hover{filter:brightness(1.1)}body{-webkit-tap-highlight-color:transparent}