:root{--tv-width:1920px;--tv-height:1080px;--tv-header-height:100px;--tv-game-height:900px;--tv-sport-footer-height:80px;--tv-sport-viewport-height:calc(var(--tv-height) - var(--tv-header-height));--c7-accent:#ff5e00;--c7-bg:#000;--c7-surface-border:#222421;--c7-card-radius:20px;--c7-card-padding:20px;--c7-surface-gradient:linear-gradient(180deg,rgba(0,0,0,.2),rgba(0,0,0,.9))}body,html{padding:0;margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;overflow:hidden;width:var(--tv-width);height:var(--tv-height)}*{box-sizing:border-box}#root,.App{width:var(--tv-width);height:var(--tv-height);overflow:hidden;position:relative;display:flex;flex-direction:column}.error-screen,.loading-screen{display:flex;align-items:center;justify-content:center;height:var(--tv-height);font-size:1.5rem;color:#333}.error-screen{color:#dc2626}.no-game-selected{display:flex;align-items:center;justify-content:center;height:50vh;font-size:1.2rem;color:#666}