.ytdl-message.error{background-color:#fed7d7;color:#c53030;border:1px solid #fc8181}.ytdl-message.success{background-color:#c6f6d5;color:#22543d;border:1px solid #68d391}.ytdl-video-thumbnail{width:100%;border-radius:8px;margin-bottom:15px}.ytdl-video-title{font-size:18px;font-weight:600;color:#1a202c;margin-bottom:10px}.ytdl-video-author{font-size:14px;color:#718096;margin-bottom:15px}.ytdl-format-select{width:100%;padding:10px 12px;border:2px solid #e2e8f0;border-radius:8px;font-size:14px;margin-bottom:12px}.ytdl-download-btn{display:inline-block;width:100%;background:#10b981;color:white;text-decoration:none;padding:12px;border-radius:8px;text-align:center;font-weight:600;transition:all .3s;border:none;cursor:pointer;font-size:16px}.ytdl-download-btn:hover{background:#059669;transform:translateY(-2px);box-shadow:0 10px 25px rgba(16,185,129,.4)}