:root{font-family:Inter,system-ui,-apple-system,sans-serif;line-height:1.5;font-weight:400;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;min-width:320px;min-height:100vh;background-color:#f8f9fa}.card{border:none;border-radius:12px;box-shadow:0 4px 6px #0000000d;transition:transform .2s}.card-header{background-color:#fff;border-bottom:1px solid #f0f0f0;font-weight:600;border-radius:12px 12px 0 0!important}.btn{border-radius:8px;font-weight:500}.navbar{box-shadow:0 2px 4px #0000001a}.video-container{background-color:#000;border-radius:8px;overflow:hidden}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:#f1f1f1}::-webkit-scrollbar-thumb{background:#888;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#555}[data-bs-theme=dark] body{background-color:#121212}[data-bs-theme=dark] .card{background-color:#1e1e1e;box-shadow:0 4px 6px #0000004d}[data-bs-theme=dark] .card-header{background-color:#2c2c2c;border-bottom:1px solid #373737}[data-bs-theme=dark] .video-container{border:1px solid #373737}